Remove LibBlockAttributes

.git-blame-ignore-revs

@@ -0,0 +1,2 @@
+# reformat
+f6f4c12d0304c945c03ab70556048ee8d78e4019

build.gradle

@@ -1,7 +1,7 @@
 plugins {
 	id "fabric-loom" version "0.12.9"
 	id "maven-publish"
-    id "org.jetbrains.kotlin.jvm" version "1.6.10"
+    id "org.jetbrains.kotlin.jvm" version "1.7.10"
 }
 
 archivesBaseName = project.archives_base_name
@@ -79,9 +79,9 @@ repositories {
 dependencies {
 	// PSA: Some older mods, compiled on Loom 0.2.1, might have outdated Maven POMs.
 	// You may need to force-disable transitiveness on them.
-	modImplementation "alexiil.mc.lib:libblockattributes-all:${project.libblockattributes_version}"
-	include "alexiil.mc.lib:libblockattributes-core:${project.libblockattributes_version}"
-	include "alexiil.mc.lib:libblockattributes-items:${project.libblockattributes_version}"
+//	modImplementation "alexiil.mc.lib:libblockattributes-all:${project.libblockattributes_version}"
+//	include "alexiil.mc.lib:libblockattributes-core:${project.libblockattributes_version}"
+//	include "alexiil.mc.lib:libblockattributes-items:${project.libblockattributes_version}"
 
 	implementation project(":kiwi-java")
 	include project(":kiwi-java")

plugin/rei/src/main/kotlin/net/shadowfacts/phycon/plugin/rei/PhyConPluginClient.kt

@@ -39,7 +39,8 @@ object PhyConPluginClient: ClientModInitializer, REIClientPlugin, AbstractTermin
         AbstractTerminalScreen.searchQueryListener = this
         try {
             val clazz = Class.forName("me.shedaniel.rei.impl.client.gui.widget.search.OverlaySearchField")
-			isHighlightingHandle = MethodHandles.publicLookup().findStaticGetter(clazz, "isHighlighting", Boolean::class.java)
+            isHighlightingHandle =
+                MethodHandles.publicLookup().findStaticGetter(clazz, "isHighlighting", Boolean::class.java)
         } catch (e: ReflectiveOperationException) {
             logger.warn("Unable to find OverlaySearchField.isHighlighting, highlight sync will be disabled", e)
         }

plugin/rei/src/main/kotlin/net/shadowfacts/phycon/plugin/rei/PhyConPluginCommon.kt

@@ -25,7 +25,11 @@ object PhyConPluginCommon: REIServerPlugin, PhyConPlugin {
         private set
 
     override fun registerMenuInfo(registry: MenuInfoRegistry) {
-		registry.register(CategoryIdentifier.of("minecraft", "plugins/crafting"), CraftingTerminalScreenHandler::class.java, SimpleMenuInfoProvider.of(::TerminalInfo))
+        registry.register(
+            CategoryIdentifier.of("minecraft", "plugins/crafting"),
+            CraftingTerminalScreenHandler::class.java,
+            SimpleMenuInfoProvider.of(::TerminalInfo)
+        )
     }
 
     override fun initializePhyCon(api: PhyConAPI) {

plugin/techreborn/src/main/kotlin/net/shadowfacts/phycon/plugin/techreborn/PhyConTR.kt

@@ -18,11 +18,20 @@ object PhyConTR: ModInitializer {
 
     override fun onInitialize() {
         TRContent.StorageUnit.values().forEach {
-			ItemAttributes.GROUPED_INV.setBlockAdder(AttributeSourceType.COMPAT_WRAPPER, it.block, ::addStorageUnitGroupedInv)
+            ItemAttributes.GROUPED_INV.setBlockAdder(
+                AttributeSourceType.COMPAT_WRAPPER,
+                it.block,
+                ::addStorageUnitGroupedInv
+            )
         }
     }
 
-	private fun addStorageUnitGroupedInv(world: World, pos: BlockPos, state: BlockState, to: AttributeList<GroupedItemInv>) {
+    private fun addStorageUnitGroupedInv(
+        world: World,
+        pos: BlockPos,
+        state: BlockState,
+        to: AttributeList<GroupedItemInv>
+    ) {
         (world.getBlockEntity(pos) as? StorageUnitBaseBlockEntity)?.also { su ->
             to.offer(StorageUnitWrapper(su))
         }

src/main/java/net/shadowfacts/phycon/api/Interface.java

@@ -16,6 +16,7 @@ public interface Interface {
 
 	void send(@NotNull EthernetFrame frame);
 
-	default void cableDisconnected() {}
+	default void cableDisconnected() {
+	}
 
 }

src/main/java/net/shadowfacts/phycon/api/NetworkDevice.java

@@ -10,9 +10,9 @@ public interface NetworkDevice {
 
 	/**
 	 * The IP address of this device.
-	 *
+	 * <p>
 	 * If a device has not been assigned an address by a DHCP server, it may self-assign a randomly generated one.
-	 *
+	 * <p>
 	 * The address of a network device should never be the broadcast address.
 	 *
 	 * @return The IP address of this device.

src/main/java/net/shadowfacts/phycon/api/PhyAttributes.java

@@ -1,13 +0,0 @@
-package net.shadowfacts.phycon.api;
-
-import alexiil.mc.lib.attributes.Attribute;
-import alexiil.mc.lib.attributes.Attributes;
-
-/**
- * @author shadowfacts
- */
-public class PhyAttributes {
-
-	public static final Attribute<PacketSink> PACKET_SINK = Attributes.create(PacketSink.class);
-
-}

src/main/java/net/shadowfacts/phycon/api/TerminalSetting.java

@@ -13,6 +13,7 @@ public interface TerminalSetting {
 
 	int[] getUV();
 
-	@Nullable Text getTooltip();
+	@Nullable
+	Text getTooltip();
 
 }

src/main/java/net/shadowfacts/phycon/api/util/IPAddress.java

@@ -23,12 +23,14 @@ public final class IPAddress {
 	}
 
 	private static final Random ipAddressRandom = new Random();
+
 	@NotNull
 	public static IPAddress random() {
 		return random(ipAddressRandom);
 	}
 
 	private static final Pattern IP_PATTERN = Pattern.compile("^(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$");
+
 	@Nullable
 	public static IPAddress parse(String s) {
 		Matcher matcher = IP_PATTERN.matcher(s);

src/main/java/net/shadowfacts/phycon/api/util/MACAddress.java

@@ -22,6 +22,7 @@ public final class MACAddress {
 	}
 
 	private static final Random macAddressRandom = new Random();
+
 	@NotNull
 	public static MACAddress random() {
 		return random(macAddressRandom);

src/main/kotlin/net/shadowfacts/cacao/CacaoScreen.kt

@@ -24,6 +24,7 @@ open class CacaoScreen(title: Text = LiteralText("CacaoScreen")): Screen(title),
 
     // _windows is the internal, mutable object, since we only want it to by mutated by the add/removeWindow methods.
     private val _windows = LinkedList<Window>()
+
     /**
      * The list of windows that belong to this screen.
      *

src/main/kotlin/net/shadowfacts/cacao/README.md

@@ -1,9 +1,12 @@
 # Cacao
+
 Cacao is a UI framework for Fabric/Minecraft mods based on Apple's [Cocoa](https://en.wikipedia.org/wiki/Cocoa_(API)
 UI toolkit.
 
 ## Architecture
+
 ### Screen
+
 A [CacaoScreen][] is the object that acts as the interface between Minecraft GUI code and the Cacao framework.
 
 The CacaoScreen draws Cacao views on screen and passes Minecraft input events to the appropriate Views. The CacaoScreen
@@ -12,6 +15,7 @@ owns a group of [Window](#window) objects which are displayed on screen, one on
 [CacaoScreen]: https://git.shadowfacts.net/minecraft/ASMR/src/branch/master/src/main/kotlin/net/shadowfacts/cacao/CacaoScreen.kt
 
 ### Window
+
 A [Window][] object has a root [View Controller](#view-controller) that it displays on screen.
 
 The Window occupies the entire screen space and translates events from the screen to the root View Controller's View.
@@ -21,6 +25,7 @@ view hierarchy.
 [Window]: https://git.shadowfacts.net/minecraft/ASMR/src/branch/master/src/main/kotlin/net/shadowfacts/cacao/Window.kt
 
 ### View Controller
+
 A [ViewController][] object owns a view, receives lifecycle events for it, and is generally used to control the view.
 
 Each View Controller has a single root [View](#view) which in turn may have subviews.
@@ -28,6 +33,7 @@ Each View Controller has a single root [View](#view) which in turn may have subv
 [ViewController]: https://git.shadowfacts.net/minecraft/ASMR/src/branch/master/src/main/kotlin/net/shadowfacts/cacao/viewcontroller/ViewController.kt
 
 ### View
+
 A [View][] object represents a single view on screen. It handles drawing, positioning, and directly handles input.
 
 [View]: https://git.shadowfacts.net/minecraft/ASMR/src/branch/master/src/main/kotlin/net/shadowfacts/cacao/view/View.kt

src/main/kotlin/net/shadowfacts/cacao/geometry/AxisPosition.kt

@@ -10,10 +10,12 @@ enum class AxisPosition {
      * Top for vertical, left for horizontal.
      */
     LEADING,
+
     /**
      * Center X/Y.
      */
     CENTER,
+
     /**
      * Bottom for vertical, right for horizontal.
      */

src/main/kotlin/net/shadowfacts/cacao/util/LayoutGuide.kt

@@ -28,6 +28,11 @@ class LayoutGuide(
     val centerYAnchor: LayoutVariable = LayoutVariable(this, "centerY")
 
     val frame: Rect
-		get() = Rect(leftAnchor.value - owningView.leftAnchor.value, topAnchor.value - owningView.topAnchor.value, widthAnchor.value, heightAnchor.value)
+        get() = Rect(
+            leftAnchor.value - owningView.leftAnchor.value,
+            topAnchor.value - owningView.topAnchor.value,
+            widthAnchor.value,
+            heightAnchor.value
+        )
 
 }

src/main/kotlin/net/shadowfacts/cacao/util/RenderHelper.kt

@@ -48,13 +48,27 @@ object RenderHelper: DrawableHelper() {
         if (disabled) return
         RenderSystem.setShader(GameRenderer::getPositionTexShader)
         RenderSystem.setShaderTexture(0, texture.location)
-		draw(matrixStack, rect.left, rect.top, texture.u, texture.v, rect.width, rect.height, texture.width, texture.height)
+        draw(
+            matrixStack,
+            rect.left,
+            rect.top,
+            texture.u,
+            texture.v,
+            rect.width,
+            rect.height,
+            texture.width,
+            texture.height
+        )
     }
 
     fun drawLine(start: Point, end: Point, z: Double, width: Float, color: Color) {
         if (disabled) return
 
         RenderSystem.lineWidth(width)
+        RenderSystem.enableBlend()
+        RenderSystem.disableTexture()
+        RenderSystem.defaultBlendFunc()
+        RenderSystem.setShader(GameRenderer::getPositionColorShader)
         val tessellator = Tessellator.getInstance()
         val buffer = tessellator.buffer
         buffer.begin(VertexFormat.DrawMode.LINES, VertexFormats.POSITION_COLOR)
@@ -66,18 +80,50 @@ object RenderHelper: DrawableHelper() {
     /**
      * Draws the bound texture with the given screen and texture position and size.
      */
-	fun draw(matrixStack: MatrixStack, x: Double, y: Double, u: Int, v: Int, width: Double, height: Double, textureWidth: Int, textureHeight: Int) {
+    fun draw(
+        matrixStack: MatrixStack,
+        x: Double,
+        y: Double,
+        u: Int,
+        v: Int,
+        width: Double,
+        height: Double,
+        textureWidth: Int,
+        textureHeight: Int
+    ) {
         if (disabled) return
         val uStart = u.toFloat() / textureWidth
         val uEnd = (u + width).toFloat() / textureWidth
         val vStart = v.toFloat() / textureHeight
         val vEnd = (v + height).toFloat() / textureHeight
-		drawTexturedQuad(matrixStack.peek().positionMatrix, x, x + width, y, y + height, 0.0, uStart, uEnd, vStart, vEnd)
+        drawTexturedQuad(
+            matrixStack.peek().positionMatrix,
+            x,
+            x + width,
+            y,
+            y + height,
+            0.0,
+            uStart,
+            uEnd,
+            vStart,
+            vEnd
+        )
     }
 
     // Copied from net.minecraft.client.gui.DrawableHelper
     // TODO: use an access transformer to just call minecraft's impl
-	private fun drawTexturedQuad(matrix: Matrix4f, x0: Double, x1: Double, y0: Double, y1: Double, z: Double, u0: Float, u1: Float, v0: Float, v1: Float) {
+    private fun drawTexturedQuad(
+        matrix: Matrix4f,
+        x0: Double,
+        x1: Double,
+        y0: Double,
+        y1: Double,
+        z: Double,
+        u0: Float,
+        u1: Float,
+        v0: Float,
+        v1: Float
+    ) {
         val bufferBuilder = Tessellator.getInstance().buffer
         bufferBuilder.begin(VertexFormat.DrawMode.QUADS, VertexFormats.POSITION_TEXTURE)
         bufferBuilder.vertex(matrix, x0.toFloat(), y1.toFloat(), z.toFloat()).texture(u0, v1).next()

src/main/kotlin/net/shadowfacts/cacao/util/texture/NinePatchTexture.kt

@@ -15,7 +15,13 @@ import net.minecraft.util.Identifier
  * @param centerWidth The width of the center patch.
  * @param centerHeight The height of the center patch.
  */
-data class NinePatchTexture(val texture: Texture, val cornerWidth: Int, val cornerHeight: Int, val centerWidth: Int, val centerHeight: Int) {
+data class NinePatchTexture(
+    val texture: Texture,
+    val cornerWidth: Int,
+    val cornerHeight: Int,
+    val centerWidth: Int,
+    val centerHeight: Int
+) {
 
     companion object {
         val PANEL_BG = NinePatchTexture(Texture(Identifier("textures/gui/demo_background.png"), 0, 0), 5, 5, 238, 156)

src/main/kotlin/net/shadowfacts/cacao/view/NinePatchView.kt

@@ -26,24 +26,44 @@ open class NinePatchView(val ninePatch: NinePatchTexture): View() {
     protected open val topLeft by topLeftDelegate
 
     private val topRightDelegate = ResettableLazyProperty {
-		Rect(bounds.width - ninePatch.cornerWidth, 0.0, ninePatch.cornerWidth.toDouble(), ninePatch.cornerHeight.toDouble())
+        Rect(
+            bounds.width - ninePatch.cornerWidth,
+            0.0,
+            ninePatch.cornerWidth.toDouble(),
+            ninePatch.cornerHeight.toDouble()
+        )
     }
     protected open val topRight by topRightDelegate
 
     private val bottomLeftDelegate = ResettableLazyProperty {
-		Rect(0.0, bounds.height - ninePatch.cornerHeight, ninePatch.cornerWidth.toDouble(), ninePatch.cornerHeight.toDouble())
+        Rect(
+            0.0,
+            bounds.height - ninePatch.cornerHeight,
+            ninePatch.cornerWidth.toDouble(),
+            ninePatch.cornerHeight.toDouble()
+        )
     }
     protected open val bottomLeft by bottomLeftDelegate
 
     private val bottomRightDelegate = ResettableLazyProperty {
-		Rect(bounds.width - ninePatch.cornerWidth, bounds.height - ninePatch.cornerHeight, ninePatch.cornerWidth.toDouble(), ninePatch.cornerHeight.toDouble())
+        Rect(
+            bounds.width - ninePatch.cornerWidth,
+            bounds.height - ninePatch.cornerHeight,
+            ninePatch.cornerWidth.toDouble(),
+            ninePatch.cornerHeight.toDouble()
+        )
     }
     protected open val bottomRight by bottomRightDelegate
 
 
     // Edges
     private val topMiddleDelegate = ResettableLazyProperty {
-		Rect(ninePatch.cornerWidth.toDouble(), topLeft.top, bounds.width - 2 * ninePatch.cornerWidth, ninePatch.cornerHeight.toDouble())
+        Rect(
+            ninePatch.cornerWidth.toDouble(),
+            topLeft.top,
+            bounds.width - 2 * ninePatch.cornerWidth,
+            ninePatch.cornerHeight.toDouble()
+        )
     }
     protected open val topMiddle by topMiddleDelegate
 
@@ -53,7 +73,12 @@ open class NinePatchView(val ninePatch: NinePatchTexture): View() {
     protected open val bottomMiddle by bottomMiddleDelegate
 
     private val leftMiddleDelegate = ResettableLazyProperty {
-		Rect(topLeft.left, ninePatch.cornerHeight.toDouble(), ninePatch.cornerWidth.toDouble(), bounds.height - 2 * ninePatch.cornerHeight)
+        Rect(
+            topLeft.left,
+            ninePatch.cornerHeight.toDouble(),
+            ninePatch.cornerWidth.toDouble(),
+            bounds.height - 2 * ninePatch.cornerHeight
+        )
     }
     protected open val leftMiddle by leftMiddleDelegate
 
@@ -69,7 +94,17 @@ open class NinePatchView(val ninePatch: NinePatchTexture): View() {
     }
     protected open val center by centerDelegate
 
-	private val delegates = listOf(topLeftDelegate, topRightDelegate, bottomLeftDelegate, bottomRightDelegate, topMiddleDelegate, bottomMiddleDelegate, leftMiddleDelegate, rightMiddleDelegate, centerDelegate)
+    private val delegates = listOf(
+        topLeftDelegate,
+        topRightDelegate,
+        bottomLeftDelegate,
+        bottomRightDelegate,
+        topMiddleDelegate,
+        bottomMiddleDelegate,
+        leftMiddleDelegate,
+        rightMiddleDelegate,
+        centerDelegate
+    )
 
     override fun didLayout() {
         super.didLayout()
@@ -93,30 +128,114 @@ open class NinePatchView(val ninePatch: NinePatchTexture): View() {
     private fun drawEdges(matrixStack: MatrixStack) {
         // Horizontal
         for (i in 0 until (topMiddle.width.roundToInt() / ninePatch.centerWidth)) {
-			RenderHelper.draw(matrixStack, topMiddle.left + i * ninePatch.centerWidth, topMiddle.top, ninePatch.topMiddle.u, ninePatch.topMiddle.v, ninePatch.centerWidth.toDouble(), topMiddle.height, ninePatch.texture.width, ninePatch.texture.height)
-			RenderHelper.draw(matrixStack, bottomMiddle.left + i * ninePatch.centerWidth, bottomMiddle.top, ninePatch.bottomMiddle.u, ninePatch.bottomMiddle.v, ninePatch.centerWidth.toDouble(), bottomMiddle.height, ninePatch.texture.width, ninePatch.texture.height)
+            RenderHelper.draw(
+                matrixStack,
+                topMiddle.left + i * ninePatch.centerWidth,
+                topMiddle.top,
+                ninePatch.topMiddle.u,
+                ninePatch.topMiddle.v,
+                ninePatch.centerWidth.toDouble(),
+                topMiddle.height,
+                ninePatch.texture.width,
+                ninePatch.texture.height
+            )
+            RenderHelper.draw(
+                matrixStack,
+                bottomMiddle.left + i * ninePatch.centerWidth,
+                bottomMiddle.top,
+                ninePatch.bottomMiddle.u,
+                ninePatch.bottomMiddle.v,
+                ninePatch.centerWidth.toDouble(),
+                bottomMiddle.height,
+                ninePatch.texture.width,
+                ninePatch.texture.height
+            )
         }
         val remWidth = topMiddle.width.roundToInt() % ninePatch.centerWidth
         if (remWidth > 0) {
-			RenderHelper.draw(matrixStack, topMiddle.right - remWidth, topMiddle.top, ninePatch.topMiddle.u, ninePatch.topMiddle.v, remWidth.toDouble(), ninePatch.cornerHeight.toDouble(), ninePatch.texture.width, ninePatch.texture.height)
-			RenderHelper.draw(matrixStack, bottomMiddle.right - remWidth, bottomMiddle.top, ninePatch.bottomMiddle.u, ninePatch.bottomMiddle.v, remWidth.toDouble(), ninePatch.cornerHeight.toDouble(), ninePatch.texture.width, ninePatch.texture.height)
+            RenderHelper.draw(
+                matrixStack,
+                topMiddle.right - remWidth,
+                topMiddle.top,
+                ninePatch.topMiddle.u,
+                ninePatch.topMiddle.v,
+                remWidth.toDouble(),
+                ninePatch.cornerHeight.toDouble(),
+                ninePatch.texture.width,
+                ninePatch.texture.height
+            )
+            RenderHelper.draw(
+                matrixStack,
+                bottomMiddle.right - remWidth,
+                bottomMiddle.top,
+                ninePatch.bottomMiddle.u,
+                ninePatch.bottomMiddle.v,
+                remWidth.toDouble(),
+                ninePatch.cornerHeight.toDouble(),
+                ninePatch.texture.width,
+                ninePatch.texture.height
+            )
         }
 
         // Vertical
         for (i in 0 until (leftMiddle.height.roundToInt() / ninePatch.centerHeight)) {
-			RenderHelper.draw(matrixStack, leftMiddle.left, leftMiddle.top + i * ninePatch.centerHeight, ninePatch.leftMiddle.u, ninePatch.leftMiddle.v, ninePatch.cornerWidth.toDouble(), ninePatch.centerHeight.toDouble(), ninePatch.texture.width, ninePatch.texture.height)
-			RenderHelper.draw(matrixStack, rightMiddle.left, rightMiddle.top + i * ninePatch.centerHeight, ninePatch.rightMiddle.u, ninePatch.rightMiddle.v, ninePatch.cornerWidth.toDouble(), ninePatch.centerHeight.toDouble(), ninePatch.texture.width, ninePatch.texture.height)
+            RenderHelper.draw(
+                matrixStack,
+                leftMiddle.left,
+                leftMiddle.top + i * ninePatch.centerHeight,
+                ninePatch.leftMiddle.u,
+                ninePatch.leftMiddle.v,
+                ninePatch.cornerWidth.toDouble(),
+                ninePatch.centerHeight.toDouble(),
+                ninePatch.texture.width,
+                ninePatch.texture.height
+            )
+            RenderHelper.draw(
+                matrixStack,
+                rightMiddle.left,
+                rightMiddle.top + i * ninePatch.centerHeight,
+                ninePatch.rightMiddle.u,
+                ninePatch.rightMiddle.v,
+                ninePatch.cornerWidth.toDouble(),
+                ninePatch.centerHeight.toDouble(),
+                ninePatch.texture.width,
+                ninePatch.texture.height
+            )
         }
         val remHeight = leftMiddle.height.roundToInt() % ninePatch.centerHeight
         if (remHeight > 0) {
-			RenderHelper.draw(matrixStack, leftMiddle.left, leftMiddle.bottom - remHeight, ninePatch.leftMiddle.u, ninePatch.leftMiddle.v, ninePatch.cornerWidth.toDouble(), remHeight.toDouble(), ninePatch.texture.width, ninePatch.texture.height)
-			RenderHelper.draw(matrixStack, rightMiddle.left, rightMiddle.bottom - remHeight, ninePatch.rightMiddle.u, ninePatch.rightMiddle.v, ninePatch.cornerWidth.toDouble(), remHeight.toDouble(), ninePatch.texture.width, ninePatch.texture.height)
+            RenderHelper.draw(
+                matrixStack,
+                leftMiddle.left,
+                leftMiddle.bottom - remHeight,
+                ninePatch.leftMiddle.u,
+                ninePatch.leftMiddle.v,
+                ninePatch.cornerWidth.toDouble(),
+                remHeight.toDouble(),
+                ninePatch.texture.width,
+                ninePatch.texture.height
+            )
+            RenderHelper.draw(
+                matrixStack,
+                rightMiddle.left,
+                rightMiddle.bottom - remHeight,
+                ninePatch.rightMiddle.u,
+                ninePatch.rightMiddle.v,
+                ninePatch.cornerWidth.toDouble(),
+                remHeight.toDouble(),
+                ninePatch.texture.width,
+                ninePatch.texture.height
+            )
         }
     }
 
     private fun drawCenter(matrixStack: MatrixStack) {
         for (i in 0 until (center.height.roundToInt() / ninePatch.centerHeight)) {
-			drawCenterRow(matrixStack, center.top + i * ninePatch.centerHeight.toDouble(), ninePatch.centerHeight.toDouble())
+            drawCenterRow(
+                matrixStack,
+                center.top + i * ninePatch.centerHeight.toDouble(),
+                ninePatch.centerHeight.toDouble()
+            )
         }
         val remHeight = center.height.roundToInt() % ninePatch.centerHeight
         if (remHeight > 0) {
@@ -126,11 +245,31 @@ open class NinePatchView(val ninePatch: NinePatchTexture): View() {
 
     private fun drawCenterRow(matrixStack: MatrixStack, y: Double, height: Double) {
         for (i in 0 until (center.width.roundToInt() / ninePatch.centerWidth)) {
-			RenderHelper.draw(matrixStack, center.left + i * ninePatch.centerWidth, y, ninePatch.center.u, ninePatch.center.v, ninePatch.centerWidth.toDouble(), height, ninePatch.texture.width, ninePatch.texture.height)
+            RenderHelper.draw(
+                matrixStack,
+                center.left + i * ninePatch.centerWidth,
+                y,
+                ninePatch.center.u,
+                ninePatch.center.v,
+                ninePatch.centerWidth.toDouble(),
+                height,
+                ninePatch.texture.width,
+                ninePatch.texture.height
+            )
         }
         val remWidth = center.width.roundToInt() % ninePatch.centerWidth
         if (remWidth > 0) {
-			RenderHelper.draw(matrixStack, center.right - remWidth, y, ninePatch.center.u, ninePatch.center.v, remWidth.toDouble(), height, ninePatch.texture.width, ninePatch.texture.height)
+            RenderHelper.draw(
+                matrixStack,
+                center.right - remWidth,
+                y,
+                ninePatch.center.u,
+                ninePatch.center.v,
+                remWidth.toDouble(),
+                height,
+                ninePatch.texture.width,
+                ninePatch.texture.height
+            )
         }
     }
 

src/main/kotlin/net/shadowfacts/cacao/view/StackView.kt

@@ -29,6 +29,7 @@ open class StackView(
 
     // the internal, mutable list of arranged subviews
     private val _arrangedSubviews = LinkedList<View>()
+
     /**
      * The list of arranged subviews belonging to this stack view.
      * This list should never be mutated directly, only be calling the [addArrangedSubview]/[removeArrangedSubview]
@@ -139,10 +140,16 @@ open class StackView(
                 val previous = arrangedSubviews.getOrNull(index - 1)
                 val next = arrangedSubviews.getOrNull(index + 1)
                 if (next != null) {
-					arrangedSubviewConnections.add(index, anchor(TRAILING, view) equalTo (anchor(LEADING, next) + spacing))
+                    arrangedSubviewConnections.add(
+                        index,
+                        anchor(TRAILING, view) equalTo (anchor(LEADING, next) + spacing)
+                    )
                 }
                 if (previous != null) {
-					arrangedSubviewConnections.add(index - 1, anchor(TRAILING, previous) equalTo (anchor(LEADING, view) - spacing))
+                    arrangedSubviewConnections.add(
+                        index - 1,
+                        anchor(TRAILING, previous) equalTo (anchor(LEADING, view) - spacing)
+                    )
                 }
             }
         }
@@ -150,12 +157,15 @@ open class StackView(
             when (distribution) {
                 Distribution.LEADING ->
                     perpAnchor(LEADING) equalTo perpAnchor(LEADING, view)
+
                 Distribution.TRAILING ->
                     perpAnchor(TRAILING) equalTo perpAnchor(TRAILING, view)
+
                 Distribution.FILL -> {
                     perpAnchor(LEADING) equalTo perpAnchor(LEADING, view)
                     perpAnchor(TRAILING) equalTo perpAnchor(TRAILING, view)
                 }
+
                 Distribution.CENTER ->
                     perpAnchor(CENTER) equalTo perpAnchor(CENTER, view)
             }
@@ -165,6 +175,7 @@ open class StackView(
     private fun anchor(position: AxisPosition, view: View = this): LayoutVariable {
         return view.getAnchor(axis, position)
     }
+
     private fun perpAnchor(position: AxisPosition, view: View = this): LayoutVariable {
         return view.getAnchor(axis.perpendicular, position)
     }
@@ -199,6 +210,7 @@ open class StackView(
          * ```
          */
         LEADING,
+
         /**
          * The centers of the arranged subviews are pinned to the center of the stack view.
          * ```
@@ -222,6 +234,7 @@ open class StackView(
          * ```
          */
         CENTER,
+
         /**
          * The trailing edges of arranged subviews are pinned to the leading edge of the stack view.
          * ```
@@ -245,6 +258,7 @@ open class StackView(
          * ```
          */
         TRAILING,
+
         /**
          * The arranged subviews fill the perpendicular axis of the stack view.
          * ```

src/main/kotlin/net/shadowfacts/cacao/view/View.kt

@@ -42,6 +42,7 @@ open class View(): Responder {
             v.solver = it
         }
     }
+
     /**
      * The constraint solver used by the [Window] this view belongs to.
      * Not initialized until [wasAdded] called, using it before that will throw a runtime exception.
@@ -55,30 +56,37 @@ open class View(): Responder {
      * Layout anchor for the left edge of this view in the window's coordinate system.
      */
     val leftAnchor = LayoutVariable(this, "left")
+
     /**
      * Layout anchor for the right edge of this view in the window's coordinate system.
      */
     val rightAnchor = LayoutVariable(this, "right")
+
     /**
      * Layout anchor for the top edge of this view in the window's coordinate system.
      */
     val topAnchor = LayoutVariable(this, "top")
+
     /**
      * Layout anchor for the bottom edge of this view in the window's coordinate system.
      */
     val bottomAnchor = LayoutVariable(this, "bottom")
+
     /**
      * Layout anchor for the width of this view in the window's coordinate system.
      */
     val widthAnchor = LayoutVariable(this, "width")
+
     /**
      * Layout anchor for the height of this view in the window's coordinate system.
      */
     val heightAnchor = LayoutVariable(this, "height")
+
     /**
      * Layout anchor for the center X position of this view in the window's coordinate system.
      */
     val centerXAnchor = LayoutVariable(this, "centerX")
+
     /**
      * Layout anchor for the center Y position of this view in the window's coordinate system.
      */
@@ -155,6 +163,7 @@ open class View(): Responder {
      * This view's parent view. If `null`, this view is a top-level view in the [Window].
      */
     var superview: View? = null
+
     // _subviews is the internal, mutable object since we only want it to be mutated by the add/removeSubview methods
     private val _subviews = LinkedList<View>()
     private var subviewsSortedByZIndex: List<View> = listOf()
@@ -181,6 +190,7 @@ open class View(): Responder {
                     AxisPosition.CENTER -> centerXAnchor
                     AxisPosition.TRAILING -> rightAnchor
                 }
+
             Axis.VERTICAL ->
                 when (position) {
                     AxisPosition.LEADING -> topAnchor
@@ -240,7 +250,11 @@ open class View(): Responder {
                 for (b in a + 1 until variables.size) {
                     // if the variable views have no common ancestor after the removed view's superview is unset,
                     // the constraint crossed the this<->view boundary and should be removed
-					val ancestor = LowestCommonAncestor.find(variables[a].viewOrLayoutGuideView, variables[b].viewOrLayoutGuideView, View::superview)
+                    val ancestor = LowestCommonAncestor.find(
+                        variables[a].viewOrLayoutGuideView,
+                        variables[b].viewOrLayoutGuideView,
+                        View::superview
+                    )
                     if (ancestor == null) {
                         return@filter true
                     }
@@ -350,7 +364,12 @@ open class View(): Responder {
         if (usesConstraintBasedLayout) {
             val superviewLeft = superview?.leftAnchor?.value ?: 0.0
             val superviewTop = superview?.topAnchor?.value ?: 0.0
-			frame = Rect(leftAnchor.value - superviewLeft, topAnchor.value - superviewTop, widthAnchor.value, heightAnchor.value)
+            frame = Rect(
+                leftAnchor.value - superviewLeft,
+                topAnchor.value - superviewTop,
+                widthAnchor.value,
+                heightAnchor.value
+            )
             bounds = Rect(0.0, 0.0, widthAnchor.value, heightAnchor.value)
         }
 

src/main/kotlin/net/shadowfacts/cacao/view/button/AbstractButton.kt

@@ -51,6 +51,7 @@ abstract class AbstractButton<Impl: AbstractButton<Impl>>(val content: View, val
             field = value
             value?.also(::addBackground)
         }
+
     /**
      * The background to draw when the button is hovered over by the mouse.
      * If `null`, the normal [background] will be used.
@@ -62,6 +63,7 @@ abstract class AbstractButton<Impl: AbstractButton<Impl>>(val content: View, val
             field = value
             value?.also(::addBackground)
         }
+
     /**
      * The background to draw when the button is [disabled].
      * If `null`, the normal [background] will be used.

src/main/kotlin/net/shadowfacts/cacao/view/button/DropdownButton.kt

@@ -159,7 +159,12 @@ private class DropdownItemBackgroundView(
     override val topRight by topRightDelegate
 
     private val bottomLeftDelegate = ResettableLazyProperty {
-		Rect(topLeft.left, bounds.height - ninePatch.cornerHeight, topLeft.width, if (last) ninePatch.cornerHeight.toDouble() else 0.0)
+        Rect(
+            topLeft.left,
+            bounds.height - ninePatch.cornerHeight,
+            topLeft.width,
+            if (last) ninePatch.cornerHeight.toDouble() else 0.0
+        )
     }
     override val bottomLeft by bottomLeftDelegate
 
@@ -180,7 +185,12 @@ private class DropdownItemBackgroundView(
     override val bottomMiddle by bottomMiddleDelegate
 
     private val leftMiddleDelegate = ResettableLazyProperty {
-		Rect(topLeft.left, topLeft.bottom, topLeft.width, bounds.height - (if (first && last) 2 else if (first || last) 1 else 0) * ninePatch.cornerHeight)
+        Rect(
+            topLeft.left,
+            topLeft.bottom,
+            topLeft.width,
+            bounds.height - (if (first && last) 2 else if (first || last) 1 else 0) * ninePatch.cornerHeight
+        )
     }
     override val leftMiddle by leftMiddleDelegate
 
@@ -195,7 +205,17 @@ private class DropdownItemBackgroundView(
     }
     override val center by centerDelegate
 
-	private val delegates = listOf(topLeftDelegate, topRightDelegate, bottomLeftDelegate, bottomRightDelegate, topMiddleDelegate, bottomMiddleDelegate, leftMiddleDelegate, rightMiddleDelegate, centerDelegate)
+    private val delegates = listOf(
+        topLeftDelegate,
+        topRightDelegate,
+        bottomLeftDelegate,
+        bottomRightDelegate,
+        topMiddleDelegate,
+        bottomMiddleDelegate,
+        leftMiddleDelegate,
+        rightMiddleDelegate,
+        centerDelegate
+    )
 
     override fun didLayout() {
         super.didLayout()

src/main/kotlin/net/shadowfacts/cacao/view/textfield/AbstractTextField.kt

@@ -166,7 +166,8 @@ abstract class AbstractTextField<Impl: AbstractTextField<Impl>>(
     }
 
     // todo: label for the TextFieldWidget?
-	private class ProxyWidget: TextFieldWidget(MinecraftClient.getInstance().textRenderer, 0, 0, 0, 0, LiteralText("")) {
+    private class ProxyWidget :
+        TextFieldWidget(MinecraftClient.getInstance().textRenderer, 0, 0, 0, 0, LiteralText("")) {
         // AbstractButtonWidget.height is protected
         fun setHeight(height: Int) {
             this.height = height

src/main/kotlin/net/shadowfacts/cacao/viewcontroller/TabViewController.kt

@@ -99,6 +99,7 @@ class TabViewController<T: TabViewController.Tab>(
     private lateinit var outerStack: StackView
     private lateinit var tabStack: StackView
     private lateinit var currentTabController: ViewController
+
     // todo: this shouldn't be public, use layout guides
     lateinit var tabVCContainer: View
         private set

src/main/kotlin/net/shadowfacts/cacao/viewcontroller/ViewController.kt

@@ -58,6 +58,7 @@ abstract class ViewController {
 
     // _children is the internal, mutable object since we only want it to be mutated by the embed/removeChild methods
     private var _children = LinkedList<ViewController>()
+
     /**
      * The list of all the child VCs of this view controller.
      * This list should never be mutated directly, only by the [embedChild]/[removeChild] methods.

src/main/kotlin/net/shadowfacts/cacao/window/Window.kt

@@ -48,30 +48,37 @@ open class Window(
      * Layout anchor for the left edge of this view in the window's coordinate system.
      */
     val leftAnchor = Variable("left")
+
     /**
      * Layout anchor for the right edge of this view in the window's coordinate system.
      */
     val rightAnchor = Variable("right")
+
     /**
      * Layout anchor for the top edge of this view in the window's coordinate system.
      */
     val topAnchor = Variable("top")
+
     /**
      * Layout anchor for the bottom edge of this view in the window's coordinate system.
      */
     val bottomAnchor = Variable("bottom")
+
     /**
      * Layout anchor for the width of this view in the window's coordinate system.
      */
     val widthAnchor = Variable("width")
+
     /**
      * Layout anchor for the height of this view in the window's coordinate system.
      */
     val heightAnchor = Variable("height")
+
     /**
      * Layout anchor for the center X position of this view in the window's coordinate system.
      */
     val centerXAnchor = Variable("centerX")
+
     /**
      * Layout anchor for the center Y position of this view in the window's coordinate system.
      */

src/main/kotlin/net/shadowfacts/kiwidsl/KiwiDSL.kt

@@ -17,7 +17,8 @@ class KiwiContext(val solver: Solver) {
     }
 
     fun ExpressionConvertible.equalTo(other: ExpressionConvertible, strength: Double): Constraint {
-		return Symbolics.equals(this.toExpression(), other.toExpression()).setStrength(strength).apply(solver::addConstraint)
+        return Symbolics.equals(this.toExpression(), other.toExpression()).setStrength(strength)
+            .apply(solver::addConstraint)
     }
 
     infix fun ExpressionConvertible.equalTo(constant: Number): Constraint {
@@ -25,7 +26,8 @@ class KiwiContext(val solver: Solver) {
     }
 
     fun ExpressionConvertible.equalTo(constant: Number, strength: Double): Constraint {
-		return Symbolics.equals(this.toExpression(), constant.toDouble()).setStrength(strength).apply(solver::addConstraint)
+        return Symbolics.equals(this.toExpression(), constant.toDouble()).setStrength(strength)
+            .apply(solver::addConstraint)
     }
 
     infix fun ExpressionConvertible.lessThanOrEqualTo(other: ExpressionConvertible): Constraint {
@@ -33,7 +35,8 @@ class KiwiContext(val solver: Solver) {
     }
 
     fun ExpressionConvertible.lessThanOrEqualTo(other: ExpressionConvertible, strength: Double): Constraint {
-		return Symbolics.lessThanOrEqualTo(this.toExpression(), other.toExpression()).setStrength(strength).apply(solver::addConstraint)
+        return Symbolics.lessThanOrEqualTo(this.toExpression(), other.toExpression()).setStrength(strength)
+            .apply(solver::addConstraint)
     }
 
     infix fun ExpressionConvertible.lessThanOrEqualTo(constant: Number): Constraint {
@@ -41,7 +44,8 @@ class KiwiContext(val solver: Solver) {
     }
 
     fun ExpressionConvertible.lessThanOrEqualTo(constant: Number, strength: Double): Constraint {
-		return Symbolics.lessThanOrEqualTo(this.toExpression(), constant.toDouble()).setStrength(strength).apply(solver::addConstraint)
+        return Symbolics.lessThanOrEqualTo(this.toExpression(), constant.toDouble()).setStrength(strength)
+            .apply(solver::addConstraint)
     }
 
     infix fun ExpressionConvertible.greaterThanOrEqualTo(other: ExpressionConvertible): Constraint {
@@ -49,7 +53,8 @@ class KiwiContext(val solver: Solver) {
     }
 
     fun ExpressionConvertible.greaterThanOrEqualTo(other: ExpressionConvertible, strength: Double): Constraint {
-		return Symbolics.greaterThanOrEqualTo(this.toExpression(), other.toExpression()).setStrength(strength).apply(solver::addConstraint)
+        return Symbolics.greaterThanOrEqualTo(this.toExpression(), other.toExpression()).setStrength(strength)
+            .apply(solver::addConstraint)
     }
 
     infix fun ExpressionConvertible.greaterThanOrEqualTo(constant: Number): Constraint {
@@ -57,7 +62,8 @@ class KiwiContext(val solver: Solver) {
     }
 
     fun ExpressionConvertible.greaterThanOrEqualTo(constant: Number, strength: Double): Constraint {
-		return Symbolics.greaterThanOrEqualTo(this.toExpression(), constant.toDouble()).setStrength(strength).apply(solver::addConstraint)
+        return Symbolics.greaterThanOrEqualTo(this.toExpression(), constant.toDouble()).setStrength(strength)
+            .apply(solver::addConstraint)
     }
 
     // Addition

src/main/kotlin/net/shadowfacts/phycon/DefaultPlugin.kt

@@ -15,7 +15,8 @@ object DefaultPlugin: PhyConPlugin {
         private set
 
     override fun initializePhyCon(api: PhyConAPI) {
-		SORT_MODE = api.registerTerminalSetting(Identifier(PhysicalConnectivity.MODID, "sort"), SortMode.COUNT_HIGH_FIRST)
+        SORT_MODE =
+            api.registerTerminalSetting(Identifier(PhysicalConnectivity.MODID, "sort"), SortMode.COUNT_HIGH_FIRST)
         SORT_MODE.setPriority(Int.MAX_VALUE)
     }
 

src/main/kotlin/net/shadowfacts/phycon/PhyConAPIImpl.kt

@@ -11,7 +11,10 @@ import net.shadowfacts.phycon.util.TerminalSettings
  */
 object PhyConAPIImpl : PhyConAPI {
 
-	override fun <E> registerTerminalSetting(id: Identifier, defaultValue: E): TerminalSettingKey<E> where E: Enum<E>, E: TerminalSetting? {
+    override fun <E> registerTerminalSetting(
+        id: Identifier,
+        defaultValue: E
+    ): TerminalSettingKey<E> where E : Enum<E>, E : TerminalSetting? {
         return TerminalSettings.register(id, defaultValue)
     }
 

src/main/kotlin/net/shadowfacts/phycon/PhysicalConnectivity.kt

@@ -33,7 +33,10 @@ object PhysicalConnectivity: ModInitializer {
         registerGlobalReceiver(C2STerminalRequestItem)
         registerGlobalReceiver(C2STerminalUpdateDisplayedItems)
 
-		ItemStorage.SIDED.registerForBlockEntity(P2PReceiverBlockEntity::provideItemStorage, PhyBlockEntities.P2P_RECEIVER)
+        ItemStorage.SIDED.registerForBlockEntity(
+            P2PReceiverBlockEntity::provideItemStorage,
+            PhyBlockEntities.P2P_RECEIVER
+        )
 
         for (it in FabricLoader.getInstance().getEntrypoints("phycon", PhyConPlugin::class.java)) {
             it.initializePhyCon(PhyConAPIImpl)

src/main/kotlin/net/shadowfacts/phycon/PhysicalConnectivityClient.kt

@@ -7,6 +7,7 @@ import net.fabricmc.fabric.api.client.screenhandler.v1.ScreenRegistry
 import net.fabricmc.fabric.api.renderer.v1.RendererAccess
 import net.fabricmc.fabric.api.renderer.v1.material.RenderMaterial
 import net.shadowfacts.phycon.block.inserter.InserterScreen
+import net.shadowfacts.phycon.block.netswitch.SwitchConsoleScreen
 import net.shadowfacts.phycon.block.redstone_emitter.RedstoneEmitterScreen
 import net.shadowfacts.phycon.block.terminal.CraftingTerminalScreen
 import net.shadowfacts.phycon.init.PhyScreens
@@ -44,6 +45,7 @@ object PhysicalConnectivityClient: ClientModInitializer {
         ScreenRegistry.register(PhyScreens.CRAFTING_TERMINAL, ::CraftingTerminalScreen)
         ScreenRegistry.register(PhyScreens.INSERTER, ::InserterScreen)
         ScreenRegistry.register(PhyScreens.REDSTONE_EMITTER, ::RedstoneEmitterScreen)
+        ScreenRegistry.register(PhyScreens.SWITCH_CONSOLE, ::SwitchConsoleScreen)
 
         registerGlobalReceiver(S2CTerminalUpdateDisplayedItems)
     }

src/main/kotlin/net/shadowfacts/phycon/block/DeviceBlock.kt

@@ -15,11 +15,21 @@ import net.shadowfacts.phycon.api.NetworkComponentBlock
 /**
  * @author shadowfacts
  */
-abstract class DeviceBlock<T: DeviceBlockEntity>(settings: Settings): BlockWithEntity<T>(settings), NetworkComponentBlock {
+abstract class DeviceBlock<T : DeviceBlockEntity>(settings: Settings) : BlockWithEntity<T>(settings),
+    NetworkComponentBlock {
 
-	abstract override fun getNetworkConnectedSides(state: BlockState, world: WorldAccess, pos: BlockPos): Collection<Direction>
+    abstract override fun getNetworkConnectedSides(
+        state: BlockState,
+        world: WorldAccess,
+        pos: BlockPos
+    ): Collection<Direction>
 
-	override fun getNetworkInterfaceForSide(side: Direction, state: BlockState, world: WorldAccess, pos: BlockPos): Interface? {
+    override fun getNetworkInterfaceForSide(
+        side: Direction,
+        state: BlockState,
+        world: WorldAccess,
+        pos: BlockPos
+    ): Interface? {
         return getBlockEntity(world, pos)!!
     }
 
@@ -28,7 +38,11 @@ abstract class DeviceBlock<T: DeviceBlockEntity>(settings: Settings): BlockWithE
         getBlockEntity(world, pos)!!.onBreak()
     }
 
-	override fun <T: BlockEntity> getTicker(world: World, state: BlockState, type: BlockEntityType<T>): BlockEntityTicker<T>? {
+    override fun <T : BlockEntity> getTicker(
+        world: World,
+        state: BlockState,
+        type: BlockEntityType<T>
+    ): BlockEntityTicker<T>? {
         return if (world.isClient) {
             null
         } else {

src/main/kotlin/net/shadowfacts/phycon/block/DeviceBlockEntity.kt

@@ -28,7 +28,8 @@ import java.util.*
 /**
  * @author shadowfacts
  */
-abstract class DeviceBlockEntity(type: BlockEntityType<*>, pos: BlockPos, state: BlockState): BlockEntity(type, pos, state),
+abstract class DeviceBlockEntity(type: BlockEntityType<*>, pos: BlockPos, state: BlockState) :
+    BlockEntity(type, pos, state),
     PacketSink,
     PacketSource,
     Interface {
@@ -60,6 +61,7 @@ abstract class DeviceBlockEntity(type: BlockEntityType<*>, pos: BlockPos, state:
             is DeviceRemovedPacket -> {
                 arpTable.remove(packet.source)
             }
+
             is PingPacket -> {
                 sendPacket(PongPacket(ipAddress, packet.source))
             }
@@ -72,7 +74,14 @@ abstract class DeviceBlockEntity(type: BlockEntityType<*>, pos: BlockPos, state:
     }
 
     override fun receive(frame: EthernetFrame) {
-		PhysicalConnectivity.NETWORK_LOGGER.debug("{} ({}, {}) received frame from {}: {}", this, ipAddress, macAddress, frame.source, frame)
+        PhysicalConnectivity.NETWORK_LOGGER.debug(
+            "{} ({}, {}) received frame from {}: {}",
+            this,
+            ipAddress,
+            macAddress,
+            frame.source,
+            frame
+        )
         when (frame) {
             is ARPQueryFrame -> handleARPQuery(frame)
             is ARPResponseFrame -> handleARPResponse(frame)
@@ -89,14 +98,26 @@ abstract class DeviceBlockEntity(type: BlockEntityType<*>, pos: BlockPos, state:
         PhysicalConnectivity.NETWORK_LOGGER.debug("{}, ({}), received ARP query for {}", this, ipAddress, frame.queryIP)
         arpTable[frame.sourceIP] = frame.source
         if (frame.queryIP == ipAddress) {
-			PhysicalConnectivity.NETWORK_LOGGER.debug("{} ({}) sending ARP response to {} with {}", this, ipAddress, frame.sourceIP, macAddress)
+            PhysicalConnectivity.NETWORK_LOGGER.debug(
+                "{} ({}) sending ARP response to {} with {}",
+                this,
+                ipAddress,
+                frame.sourceIP,
+                macAddress
+            )
             send(ARPResponseFrame(ipAddress, macAddress, frame.source))
         }
     }
 
     private fun handleARPResponse(frame: ARPResponseFrame) {
         arpTable[frame.query] = frame.source
-		PhysicalConnectivity.NETWORK_LOGGER.debug("{}, ({}) received ARP response for {} with {}", this, ipAddress, frame.query, frame.source)
+        PhysicalConnectivity.NETWORK_LOGGER.debug(
+            "{}, ({}) received ARP response for {} with {}",
+            this,
+            ipAddress,
+            frame.query,
+            frame.source
+        )
 
         val toRemove = packetQueue.filter { (packet, _) ->
             if (packet.destination == frame.query) {
@@ -122,7 +143,12 @@ abstract class DeviceBlockEntity(type: BlockEntityType<*>, pos: BlockPos, state:
         } else {
             packetQueue.add(PendingPacket(packet, counter))
 
-			PhysicalConnectivity.NETWORK_LOGGER.debug("{} ({}) sending ARP query for {}", this, ipAddress, packet.destination)
+            PhysicalConnectivity.NETWORK_LOGGER.debug(
+                "{} ({}) sending ARP query for {}",
+                this,
+                ipAddress,
+                packet.destination
+            )
             send(ARPQueryFrame(packet.destination, ipAddress, macAddress))
         }
     }
@@ -141,6 +167,7 @@ abstract class DeviceBlockEntity(type: BlockEntityType<*>, pos: BlockPos, state:
                     this.cachedDestination = WeakReference(it)
                 }
             }
+
             else -> throw RuntimeException("DeviceBlockEntity.findDestination must be overridden by devices which have more than 1 network connected side")
         }
     }

src/main/kotlin/net/shadowfacts/phycon/block/FaceDeviceBlock.kt

@@ -82,7 +82,11 @@ abstract class FaceDeviceBlock<T: DeviceBlockEntity>(settings: Settings): Device
             if (cableConnection == FaceCableConnection.NONE) {
                 VoxelShapes.union(faceShapes[facing], centerShapes[facing])
             } else {
-				VoxelShapes.union(faceShapes[facing], centerShapes[facing], CableBlock.SIDE_SHAPES[cableConnection.direction])
+                VoxelShapes.union(
+                    faceShapes[facing],
+                    centerShapes[facing],
+                    CableBlock.SIDE_SHAPES[cableConnection.direction]
+                )
             }
         }
     }
@@ -92,7 +96,12 @@ abstract class FaceDeviceBlock<T: DeviceBlockEntity>(settings: Settings): Device
         return if (direction != null) EnumSet.of(direction) else setOf()
     }
 
-	override fun getNetworkInterfaceForSide(side: Direction, state: BlockState, world: WorldAccess, pos: BlockPos): Interface? {
+    override fun getNetworkInterfaceForSide(
+        side: Direction,
+        state: BlockState,
+        world: WorldAccess,
+        pos: BlockPos
+    ): Interface? {
         return if (side == state[FACING]) {
             null
         } else {
@@ -108,15 +117,22 @@ abstract class FaceDeviceBlock<T: DeviceBlockEntity>(settings: Settings): Device
     }
 
     override fun getPlacementState(context: ItemPlacementContext): BlockState {
-		val facing = if (context.player?.isSneaking == true) context.side.opposite else context.playerLookDirection.opposite
+        val facing =
+            if (context.player?.isSneaking == true) context.side.opposite else context.playerLookDirection.opposite
         // todo: this should never be called
-		val cableConnection = FaceCableConnection.from(getCableConnectedSide(context.world, context.blockPos, facing, DyeColor.BLUE))
+        val cableConnection =
+            FaceCableConnection.from(getCableConnectedSide(context.world, context.blockPos, facing, DyeColor.BLUE))
         return defaultState
             .with(FACING, facing)
             .with(CABLE_CONNECTION, cableConnection)
     }
 
-	private fun getCableConnectedSide(world: WorldAccess, pos: BlockPos, facing: Direction, color: DyeColor): Direction? {
+    private fun getCableConnectedSide(
+        world: WorldAccess,
+        pos: BlockPos,
+        facing: Direction,
+        color: DyeColor
+    ): Direction? {
         for (side in Direction.values()) {
             if (side == facing) {
                 continue
@@ -130,18 +146,32 @@ abstract class FaceDeviceBlock<T: DeviceBlockEntity>(settings: Settings): Device
         return null
     }
 
-	private fun canConnectTo(world: WorldAccess, side: Direction, candidateState: BlockState, candidatePos: BlockPos, myColor: DyeColor): Boolean {
+    private fun canConnectTo(
+        world: WorldAccess,
+        side: Direction,
+        candidateState: BlockState,
+        candidatePos: BlockPos,
+        myColor: DyeColor
+    ): Boolean {
         val block = candidateState.block
         return if (block is FaceDeviceBlock<*> && candidateState[COLOR] == myColor) {
             true
         } else if (block is CableBlock && block.color == myColor) {
             true
         } else {
-			block is NetworkComponentBlock && block.getNetworkConnectedSides(candidateState, world, candidatePos).contains(side.opposite)
+            block is NetworkComponentBlock && block.getNetworkConnectedSides(candidateState, world, candidatePos)
+                .contains(side.opposite)
         }
     }
 
-	override fun getStateForNeighborUpdate(state: BlockState, side: Direction, neighborState: BlockState, world: WorldAccess, pos: BlockPos, neighborPos: BlockPos): BlockState {
+    override fun getStateForNeighborUpdate(
+        state: BlockState,
+        side: Direction,
+        neighborState: BlockState,
+        world: WorldAccess,
+        pos: BlockPos,
+        neighborPos: BlockPos
+    ): BlockState {
         val current = state[CABLE_CONNECTION]
         var newConnection = current
 
@@ -159,7 +189,12 @@ abstract class FaceDeviceBlock<T: DeviceBlockEntity>(settings: Settings): Device
         return state.with(CABLE_CONNECTION, newConnection)
     }
 
-	override fun getOutlineShape(state: BlockState, world: BlockView, pos: BlockPos, context: ShapeContext): VoxelShape {
+    override fun getOutlineShape(
+        state: BlockState,
+        world: BlockView,
+        pos: BlockPos,
+        context: ShapeContext
+    ): VoxelShape {
         return getShape(state[FACING], state[CABLE_CONNECTION])
     }
 

src/main/kotlin/net/shadowfacts/phycon/block/cable/CableBlock.kt

@@ -63,7 +63,8 @@ class CableBlock(
                 VoxelShapes.union(acc, SIDE_SHAPES[side])
             }
         }
-		val CONNECTIONS: Map<Direction, EnumProperty<CableConnection>> = Direction.values().associate { it to EnumProperty.of(it.name.toLowerCase(), CableConnection::class.java) }
+        val CONNECTIONS: Map<Direction, EnumProperty<CableConnection>> =
+            Direction.values().associate { it to EnumProperty.of(it.name.toLowerCase(), CableConnection::class.java) }
 
         fun getShape(state: BlockState): VoxelShape {
             val key = Direction.values().foldIndexed(0) { i, acc, dir ->
@@ -110,7 +111,14 @@ class CableBlock(
         return getInitialState(context.world, context.blockPos)
     }
 
-	override fun getStateForNeighborUpdate(state: BlockState, side: Direction, neighborState: BlockState, world: WorldAccess, blockPos_1: BlockPos, blockPos_2: BlockPos): BlockState {
+    override fun getStateForNeighborUpdate(
+        state: BlockState,
+        side: Direction,
+        neighborState: BlockState,
+        world: WorldAccess,
+        blockPos_1: BlockPos,
+        blockPos_2: BlockPos
+    ): BlockState {
         val prop = CONNECTIONS[side]
         val current = state[prop]
         return when (current) {
@@ -119,7 +127,11 @@ class CableBlock(
         }
     }
 
-	private fun getConnectionStateInDirection(world: WorldAccess, pos: BlockPos, direction: Direction): CableConnection {
+    private fun getConnectionStateInDirection(
+        world: WorldAccess,
+        pos: BlockPos,
+        direction: Direction
+    ): CableConnection {
         val offsetPos = pos.offset(direction)
         val state = world.getBlockState(offsetPos)
         val block = state.block
@@ -140,7 +152,12 @@ class CableBlock(
         }
     }
 
-	override fun getNetworkInterfaceForSide(side: Direction, state: BlockState, world: WorldAccess, pos: BlockPos): Interface? {
+    override fun getNetworkInterfaceForSide(
+        side: Direction,
+        state: BlockState,
+        world: WorldAccess,
+        pos: BlockPos
+    ): Interface? {
         // cables don't have network interfaces
         return null
     }
@@ -169,11 +186,18 @@ class CableBlock(
                         val connectedToPos = pos.offset(side)
                         val connectedTo = world.getBlockState(connectedToPos)
                         if (connectedTo.block == this && connectedTo[CONNECTIONS[side.opposite]] == CableConnection.DISABLED) {
-							world.setBlockState(connectedToPos, connectedTo.with(CONNECTIONS[side.opposite], CableConnection.ON))
+                            world.setBlockState(
+                                connectedToPos,
+                                connectedTo.with(CONNECTIONS[side.opposite], CableConnection.ON)
+                            )
                         }
 
-						state.with(prop, if (connectedTo.block is NetworkComponentBlock) CableConnection.ON else CableConnection.OFF)
+                        state.with(
+                            prop,
+                            if (connectedTo.block is NetworkComponentBlock) CableConnection.ON else CableConnection.OFF
+                        )
                     }
+
                     else -> state.with(prop, CableConnection.DISABLED)
                 }
                 world.setBlockState(pos, newState)
@@ -195,7 +219,12 @@ class CableBlock(
 //		return false
 //	}
 
-	override fun getOutlineShape(state: BlockState, world: BlockView, pos: BlockPos, context: ShapeContext): VoxelShape {
+    override fun getOutlineShape(
+        state: BlockState,
+        world: BlockView,
+        pos: BlockPos,
+        context: ShapeContext
+    ): VoxelShape {
         return getShape(state)
     }
 

src/main/kotlin/net/shadowfacts/phycon/block/extractor/ExtractorBlock.kt

@@ -59,7 +59,14 @@ class ExtractorBlock: FaceDeviceBlock<ExtractorBlockEntity>(
                             arr[i] = 16.0 - arr[i]
                         }
                     }
-					createCuboidShape(min(arr[0], arr[3]), min(arr[1], arr[4]), min(arr[2], arr[5]), max(arr[0], arr[3]), max(arr[1], arr[4]), max(arr[2], arr[5]))
+                    createCuboidShape(
+                        min(arr[0], arr[3]),
+                        min(arr[1], arr[4]),
+                        min(arr[2], arr[5]),
+                        max(arr[0], arr[3]),
+                        max(arr[1], arr[4]),
+                        max(arr[2], arr[5])
+                    )
                 }
                 EXTRACTOR_SHAPES[dir] = shapes.reduce { a, b -> VoxelShapes.union(a, b) }
             }
@@ -71,16 +78,4 @@ class ExtractorBlock: FaceDeviceBlock<ExtractorBlockEntity>(
 
     override fun createBlockEntity(pos: BlockPos, state: BlockState) = ExtractorBlockEntity(pos, state)
 
-	override fun onPlaced(world: World, pos: BlockPos, state: BlockState, entity: LivingEntity?, stack: ItemStack) {
-		if (!world.isClient) {
-			getBlockEntity(world, pos)!!.updateInventory()
-		}
-	}
-
-	override fun neighborUpdate(state: BlockState, world: World, pos: BlockPos, neighbor: Block, neighborPos: BlockPos, bl: Boolean) {
-		if (!world.isClient) {
-			getBlockEntity(world, pos)!!.updateInventory()
-		}
-	}
-
 }

src/main/kotlin/net/shadowfacts/phycon/block/extractor/ExtractorBlockEntity.kt

@@ -1,13 +1,14 @@
 package net.shadowfacts.phycon.block.extractor
 
-import alexiil.mc.lib.attributes.SearchOptions
-import alexiil.mc.lib.attributes.Simulation
-import alexiil.mc.lib.attributes.item.FixedItemInv
-import alexiil.mc.lib.attributes.item.ItemAttributes
-import alexiil.mc.lib.attributes.item.filter.ExactItemStackFilter
+import net.fabricmc.fabric.api.lookup.v1.block.BlockApiCache
+import net.fabricmc.fabric.api.transfer.v1.item.ItemStorage
+import net.fabricmc.fabric.api.transfer.v1.item.ItemVariant
+import net.fabricmc.fabric.api.transfer.v1.storage.Storage
+import net.fabricmc.fabric.api.transfer.v1.transaction.Transaction
 import net.minecraft.block.BlockState
 import net.minecraft.item.ItemStack
 import net.minecraft.nbt.NbtCompound
+import net.minecraft.server.world.ServerWorld
 import net.minecraft.util.math.BlockPos
 import net.minecraft.util.math.Direction
 import net.shadowfacts.phycon.api.packet.Packet
@@ -23,12 +24,15 @@ import net.shadowfacts.phycon.packet.ItemStackPacket
 import net.shadowfacts.phycon.packet.RemoteActivationPacket
 import net.shadowfacts.phycon.util.ActivationMode
 import net.shadowfacts.phycon.util.ClientConfigurableDevice
+import net.shadowfacts.phycon.util.copyWithCount
+import kotlin.math.min
 import kotlin.properties.Delegates
 
 /**
  * @author shadowfacts
  */
-class ExtractorBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(PhyBlockEntities.EXTRACTOR, pos, state),
+class ExtractorBlockEntity(pos: BlockPos, state: BlockState) :
+    DeviceBlockEntity(PhyBlockEntities.EXTRACTOR, pos, state),
     NetworkStackDispatcher<ExtractorBlockEntity.PendingInsertion>,
     ActivationController.ActivatableDevice,
     ClientConfigurableDevice {
@@ -40,20 +44,19 @@ class ExtractorBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(
     private val facing: Direction
         get() = cachedState[FaceDeviceBlock.FACING]
 
-	private var inventory: FixedItemInv? = null
+    private var inventory: Pair<BlockState, BlockApiCache<Storage<ItemVariant>, Direction>>? = null
     override val pendingInsertions = mutableListOf<PendingInsertion>()
     override val dispatchStackTimeout = 1L
     override val controller = ActivationController(SLEEP_TIME, this)
 
-	fun updateInventory() {
+    private fun getInventory(): Storage<ItemVariant>? {
+        if (inventory == null) {
             val offsetPos = pos.offset(facing)
-		val option = SearchOptions.inDirection(facing)
-		inventory = ItemAttributes.FIXED_INV.getFirstOrNull(world, offsetPos, option)
+            val cachedFacedBlock = world!!.getBlockState(offsetPos)
+            val inventory = BlockApiCache.create(ItemStorage.SIDED, world!! as ServerWorld, offsetPos)
+            this.inventory = Pair(cachedFacedBlock, inventory)
         }
-
-	private fun getInventory(): FixedItemInv? {
-		if (inventory == null) updateInventory()
-		return inventory
+        return inventory!!.second.find(inventory!!.first, facing.opposite)
     }
 
     override fun handle(packet: Packet) {
@@ -75,10 +78,15 @@ class ExtractorBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(
         val inventory = getInventory() ?: return insertion.stack
         // if the inventory has changed, the old slot index is meaningless
         if (inventory !== insertion.inventory) return insertion.stack
-		val extracted = inventory.extractStack(insertion.inventorySlot, ExactItemStackFilter(insertion.stack), ItemStack.EMPTY, insertion.totalCapacity, Simulation.ACTION)
-		if (extracted.isEmpty) return insertion.stack
+        val transaction = Transaction.openOuter()
+        val extractedAmount = inventory.extract(ItemVariant.of(insertion.stack), insertion.stack.count.toLong(), transaction).toInt()
+        transaction.commit()
+        if (extractedAmount == 0) {
+            return insertion.stack
+        } else if (extractedAmount != insertion.stack.count) {
             // if we extracted less than expected, make sure super.finishInsertion doesn't send more than we actually have
-		insertion.stack = extracted
+            insertion.stack = insertion.stack.copyWithCount(extractedAmount)
+        }
         return super.finishInsertion(insertion)
     }
 
@@ -94,14 +102,15 @@ class ExtractorBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(
 
     override fun activate(): Boolean {
         val inventory = getInventory() ?: return false
-		for (slot in 0 until inventory.slotCount) {
-			val slotStack = inventory.getInvStack(slot)
-			if (slotStack.isEmpty) continue
-			val extractable = inventory.extractStack(slot, ExactItemStackFilter(slotStack), ItemStack.EMPTY, slotStack.count, Simulation.SIMULATE)
-			if (extractable.isEmpty) continue
-			dispatchItemStack(extractable) { insertion ->
+        for (view in inventory.iterator(null)) {
+            if (view.amount <= 0) continue
+            val transaction = Transaction.openOuter()
+            var extractableAmount = inventory.simulateExtract(view.resource, view.amount, transaction).toInt()
+            transaction.close()
+            if (extractableAmount <= 0) continue
+            extractableAmount = min(extractableAmount, view.resource.item.maxCount)
+            dispatchItemStack(view.resource.toStack(extractableAmount)) { insertion ->
                 insertion.inventory = inventory
-				insertion.inventorySlot = slot
             }
             return true
         }
@@ -126,8 +135,9 @@ class ExtractorBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(
         controller.activationMode = ActivationMode.valueOf(tag.getString("ActivationMode"))
     }
 
-	class PendingInsertion(stack: ItemStack, timestamp: Long): NetworkStackDispatcher.PendingInsertion<PendingInsertion>(stack, timestamp) {
-		lateinit var inventory: FixedItemInv
+    class PendingInsertion(stack: ItemStack, timestamp: Long) :
+        NetworkStackDispatcher.PendingInsertion<PendingInsertion>(stack, timestamp) {
+        lateinit var inventory: Storage<ItemVariant>
         var inventorySlot by Delegates.notNull<Int>()
     }
 }

src/main/kotlin/net/shadowfacts/phycon/block/inserter/InserterBlock.kt

@@ -68,7 +68,14 @@ class InserterBlock: FaceDeviceBlock<InserterBlockEntity>(
                             arr[i] = 16.0 - arr[i]
                         }
                     }
-					createCuboidShape(min(arr[0], arr[3]), min(arr[1], arr[4]), min(arr[2], arr[5]), max(arr[0], arr[3]), max(arr[1], arr[4]), max(arr[2], arr[5]))
+                    createCuboidShape(
+                        min(arr[0], arr[3]),
+                        min(arr[1], arr[4]),
+                        min(arr[2], arr[5]),
+                        max(arr[0], arr[3]),
+                        max(arr[1], arr[4]),
+                        max(arr[2], arr[5])
+                    )
                 }
                 INSERTER_SHAPES[dir] = shapes.reduce { a, b -> VoxelShapes.union(a, b) }
             }
@@ -80,19 +87,14 @@ class InserterBlock: FaceDeviceBlock<InserterBlockEntity>(
 
     override fun createBlockEntity(pos: BlockPos, state: BlockState) = InserterBlockEntity(pos, state)
 
-	override fun onPlaced(world: World, pos: BlockPos, state: BlockState, entity: LivingEntity?, stack: ItemStack) {
-		if (!world.isClient) {
-			getBlockEntity(world, pos)!!.updateInventory()
-		}
-	}
-
-	override fun neighborUpdate(state: BlockState, world: World, pos: BlockPos, neighborBlock: Block, neighborPos: BlockPos, bl: Boolean) {
-		if (!world.isClient) {
-			getBlockEntity(world, pos)!!.updateInventory()
-		}
-	}
-
-	override fun onUse(state: BlockState, world: World, pos: BlockPos, player: PlayerEntity, hand: Hand, hitResult: BlockHitResult): ActionResult {
+    override fun onUse(
+        state: BlockState,
+        world: World,
+        pos: BlockPos,
+        player: PlayerEntity,
+        hand: Hand,
+        hitResult: BlockHitResult
+    ): ActionResult {
         if (!world.isClient) {
             val be = getBlockEntity(world, pos)!!
 

src/main/kotlin/net/shadowfacts/phycon/block/inserter/InserterBlockEntity.kt

@@ -1,13 +1,14 @@
 package net.shadowfacts.phycon.block.inserter
 
-import alexiil.mc.lib.attributes.SearchOptions
-import alexiil.mc.lib.attributes.Simulation
-import alexiil.mc.lib.attributes.item.ItemAttributes
-import alexiil.mc.lib.attributes.item.ItemInsertable
-import alexiil.mc.lib.attributes.item.ItemStackUtil
+import net.fabricmc.fabric.api.lookup.v1.block.BlockApiCache
+import net.fabricmc.fabric.api.transfer.v1.item.ItemStorage
+import net.fabricmc.fabric.api.transfer.v1.item.ItemVariant
+import net.fabricmc.fabric.api.transfer.v1.storage.Storage
+import net.fabricmc.fabric.api.transfer.v1.transaction.Transaction
 import net.minecraft.block.BlockState
 import net.minecraft.item.ItemStack
 import net.minecraft.nbt.NbtCompound
+import net.minecraft.server.world.ServerWorld
 import net.minecraft.util.math.BlockPos
 import net.minecraft.util.math.Direction
 import net.shadowfacts.phycon.api.packet.Packet
@@ -19,9 +20,7 @@ import net.shadowfacts.phycon.component.NetworkStackProvider
 import net.shadowfacts.phycon.component.handleItemStack
 import net.shadowfacts.phycon.init.PhyBlockEntities
 import net.shadowfacts.phycon.packet.*
-import net.shadowfacts.phycon.util.ActivationMode
-import net.shadowfacts.phycon.util.ClientConfigurableDevice
-import net.shadowfacts.phycon.util.GhostInv
+import net.shadowfacts.phycon.util.*
 import kotlin.math.min
 
 /**
@@ -41,24 +40,25 @@ class InserterBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(P
     private val facing: Direction
         get() = cachedState[FaceDeviceBlock.FACING]
 
-	private var inventory: ItemInsertable? = null
+    private var inventory: Pair<BlockState, BlockApiCache<Storage<ItemVariant>, Direction>>? = null
     private var currentRequest: PendingExtractRequest? = null
     var stackToExtract: ItemStack = ItemStack.EMPTY
     override var ghostSlotStack: ItemStack
         get() = stackToExtract
-		set(value) { stackToExtract = value }
+        set(value) {
+            stackToExtract = value
+        }
     var amountToExtract = 1
     override val controller = ActivationController(SLEEP_TIME, this)
 
-	fun updateInventory() {
+    private fun getInventory(): Storage<ItemVariant>? {
+        if (inventory == null) {
             val offsetPos = pos.offset(facing)
-		val option = SearchOptions.inDirection(facing)
-		inventory = ItemAttributes.INSERTABLE.getFirstOrNull(world, offsetPos, option)
+            val cachedFacedBlock = world!!.getBlockState(offsetPos)
+            val inventory = BlockApiCache.create(ItemStorage.SIDED, world!! as ServerWorld, offsetPos)
+            this.inventory = Pair(cachedFacedBlock, inventory)
         }
-
-	private fun getInventory(): ItemInsertable? {
-		if (inventory == null) updateInventory()
-		return inventory
+        return inventory!!.second.find(inventory!!.first, facing.opposite)
     }
 
     override fun handle(packet: Packet) {
@@ -71,17 +71,26 @@ class InserterBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(P
 
     override fun doHandleItemStack(packet: ItemStackPacket): ItemStack {
         val inventory = getInventory()
-		return if (inventory != null) {
-			inventory.attemptInsertion(packet.stack, Simulation.ACTION)
+        if (inventory != null) {
+            val transaction = Transaction.openOuter()
+            val inserted = inventory.insert(ItemVariant.of(packet.stack), packet.stack.count.toLong(), transaction).toInt()
+            transaction.commit()
+            return if (inserted == 0) {
+                packet.stack
+            } else if (inserted == packet.stack.count) {
+                ItemStack.EMPTY
+            } else {
+                packet.stack.copyWithCount(packet.stack.count - inserted)
+            }
         } else {
             // no inventory, entire stack remains
-			packet.stack
+            return packet.stack
         }
     }
 
     private fun handleStackLocation(packet: StackLocationPacket) {
         val request = currentRequest
-		if (request != null && ItemStackUtil.areEqualIgnoreAmounts(request.stack, packet.stack)) {
+        if (request != null && request.stack.equalsIgnoringAmount(packet.stack)) {
             request.results.add(packet.amount to packet.stackProvider)
             if (request.isFinishable(counter)) {
                 finishRequest()

src/main/kotlin/net/shadowfacts/phycon/block/miner/MinerBlock.kt

@@ -38,7 +38,12 @@ class MinerBlock: DeviceBlock<MinerBlockEntity>(
         return EnumSet.of(state[FACING].opposite)
     }
 
-	override fun getNetworkInterfaceForSide(side: Direction, state: BlockState, world: WorldAccess, pos: BlockPos): Interface? {
+    override fun getNetworkInterfaceForSide(
+        side: Direction,
+        state: BlockState,
+        world: WorldAccess,
+        pos: BlockPos
+    ): Interface? {
         return if (side == state[FACING]) {
             null
         } else {
@@ -64,7 +69,14 @@ class MinerBlock: DeviceBlock<MinerBlockEntity>(
         }
     }
 
-	override fun neighborUpdate(state: BlockState, world: World, pos: BlockPos, neighbor: Block, neighborPos: BlockPos, bl: Boolean) {
+    override fun neighborUpdate(
+        state: BlockState,
+        world: World,
+        pos: BlockPos,
+        neighbor: Block,
+        neighborPos: BlockPos,
+        bl: Boolean
+    ) {
         if (!world.isClient) {
 //			getBlockEntity(world, pos)!!.updateBlockToMine()
         }

src/main/kotlin/net/shadowfacts/phycon/block/miner/MinerBlockEntity.kt

@@ -1,8 +1,10 @@
 package net.shadowfacts.phycon.block.miner
 
-import alexiil.mc.lib.attributes.item.GroupedItemInvView
-import alexiil.mc.lib.attributes.item.ItemStackUtil
-import alexiil.mc.lib.attributes.item.filter.ItemFilter
+import net.fabricmc.fabric.api.transfer.v1.item.ItemVariant
+import net.fabricmc.fabric.api.transfer.v1.storage.StorageView
+import net.fabricmc.fabric.api.transfer.v1.storage.base.ExtractionOnlyStorage
+import net.fabricmc.fabric.api.transfer.v1.transaction.TransactionContext
+import net.fabricmc.fabric.api.transfer.v1.transaction.base.SnapshotParticipant
 import net.minecraft.block.Block
 import net.minecraft.block.BlockState
 import net.minecraft.item.ItemStack
@@ -22,6 +24,7 @@ import net.shadowfacts.phycon.packet.*
 import net.shadowfacts.phycon.util.ActivationMode
 import net.shadowfacts.phycon.util.ClientConfigurableDevice
 import net.shadowfacts.phycon.util.copyWithCount
+import net.shadowfacts.phycon.util.equalsIgnoringAmount
 import kotlin.math.min
 
 /**
@@ -36,7 +39,7 @@ class MinerBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(PhyB
     private val facing: Direction
         get() = cachedState[MinerBlock.FACING]
 
-	private val invProxy = MinerInvProxy(this)
+    private val invProxy = MinerStorageProxy(this)
 
     override val pendingInsertions = mutableListOf<PendingInsertion>()
     override val dispatchStackTimeout = AbstractTerminalBlockEntity.INSERTION_TIMEOUT
@@ -60,16 +63,16 @@ class MinerBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(PhyB
         if (minerMode != MinerMode.ON_DEMAND || packet.kind != RequestInventoryPacket.Kind.GROUPED) {
             return
         }
-		sendPacket(ReadGroupedInventoryPacket(invProxy, ipAddress, packet.source))
+        sendPacket(ReadItemStoragePacket(invProxy, ipAddress, packet.source))
     }
 
     private fun handleLocateStack(packet: LocateStackPacket) {
         if (minerMode != MinerMode.ON_DEMAND) {
             return
         }
-		val amount = invProxy.getAmount(packet.stack)
+        val amount = invProxy.simulateExtract(ItemVariant.of(packet.stack), Long.MAX_VALUE, null)
         if (amount > 0) {
-			sendPacket(StackLocationPacket(packet.stack, amount, this, ipAddress, packet.source))
+            sendPacket(StackLocationPacket(packet.stack, amount.toInt(), this, ipAddress, packet.source))
         }
     }
 
@@ -80,7 +83,8 @@ class MinerBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(PhyB
 
         // always recalculate immediately before breaking
         val drops = invProxy.getDrops(recalculate = true)
-		if (invProxy.getAmount(packet.stack) > 0) {
+        val amount = invProxy.simulateExtract(ItemVariant.of(packet.stack), packet.amount.toLong(), null)
+        if (amount > 0) {
             world!!.breakBlock(pos.offset(facing), false)
 
             // send the requested amount back to the requester
@@ -89,7 +93,7 @@ class MinerBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(PhyB
                 if (remaining <= 0) {
                     break
                 }
-				if (!ItemStackUtil.areEqualIgnoreAmounts(droppedStack, packet.stack)) {
+                if (!droppedStack.equalsIgnoringAmount(packet.stack)) {
                     continue
                 }
 
@@ -184,13 +188,15 @@ class MinerBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(PhyB
         val friendlyName = TranslatableText("gui.phycon.miner_mode.${name.lowercase()}")
     }
 
-	class MinerInvProxy(val miner: MinerBlockEntity): GroupedItemInvView {
+    class MinerStorageProxy(val miner: MinerBlockEntity) :
+        SnapshotParticipant<Pair<BlockState, List<ItemStack>>?>(),
+        ExtractionOnlyStorage<ItemVariant>
+    {
         companion object {
             val TOOL = ItemStack(Items.DIAMOND_PICKAXE)
         }
 
-		private var cachedState: BlockState? = null
-		private var cachedDrops: List<ItemStack>? = null
+        private var cache: Pair<BlockState, List<ItemStack>>? = null
 
         private val world: World
             get() = miner.world!!
@@ -202,39 +208,78 @@ class MinerBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(PhyB
         fun getDrops(recalculate: Boolean = false): List<ItemStack> {
             val targetPos = pos.offset(facing)
             val realState = world.getBlockState(targetPos)
+            val cache = this.cache
             // todo: does BlockState.equals actually work or is reference equality fine for BlockStates?
-			if (cachedDrops == null || realState != cachedState || recalculate) {
-				cachedState = realState
-
+            if (cache == null || realState != cache.first || recalculate) {
                 val be = if (realState.hasBlockEntity()) world.getBlockEntity(targetPos) else null
-				cachedDrops = Block.getDroppedStacks(realState, world as ServerWorld, targetPos, be, null, TOOL)
+                val drops = Block.getDroppedStacks(realState, world as ServerWorld, targetPos, be, null, TOOL)
+                this.cache = Pair(realState, drops)
+                return drops
             }
-			return cachedDrops!!
+            return cache.second
         }
 
-		override fun getStoredStacks(): Set<ItemStack> {
-			if (miner.minerMode != MinerMode.ON_DEMAND) {
-				return setOf()
-			}
-			return getDrops().toSet()
+        override fun createSnapshot(): Pair<BlockState, List<ItemStack>>? {
+            return cache
         }
 
-		override fun getTotalCapacity(): Int {
-			return Int.MAX_VALUE
+        override fun readSnapshot(snapshot: Pair<BlockState, List<ItemStack>>?) {
+            cache = snapshot
         }
 
-		override fun getStatistics(filter: ItemFilter): GroupedItemInvView.ItemInvStatistic {
-			var totalCount = 0
-			for (s in storedStacks) {
-				if (filter.matches(s)) {
-					totalCount += s.count
+        override fun extract(resource: ItemVariant, maxAmount: Long, transaction: TransactionContext): Long {
+            val drops = getDrops()
+            val (matched, unmatched) = drops.partition { resource.matches(it) }
+            if (matched.isEmpty()) {
+                return 0
+            }
+            val matchedCount = matched.sumOf { it.count }.toLong()
+            val extracted = min(maxAmount, matchedCount)
+            transaction.addCloseCallback { context, result ->
+                if (result.wasCommitted()) {
+                    world.breakBlock(pos.offset(facing), false)
+                    // send any un-extracted drops to the network
+                    if (matchedCount > extracted) {
+                        miner.dispatchItemStack(resource.toStack().copyWithCount((matchedCount - extracted).toInt()))
+                    }
+                    for (stack in unmatched) {
+                        miner.dispatchItemStack(stack)
                     }
                 }
-			return GroupedItemInvView.ItemInvStatistic(filter, totalCount, 0, Int.MAX_VALUE)
+            }
+            return extracted
+        }
+
+        override fun iterator(transaction: TransactionContext): Iterator<StorageView<ItemVariant>> {
+            return getDrops().map { View(it, this) }.iterator()
+        }
+
+        class View(val stack: ItemStack, val proxy: MinerStorageProxy) : StorageView<ItemVariant> {
+            override fun extract(resource: ItemVariant, maxAmount: Long, transaction: TransactionContext): Long {
+                return proxy.extract(resource, maxAmount, transaction)
+            }
+
+            override fun isResourceBlank(): Boolean {
+                return false
+            }
+
+            override fun getResource(): ItemVariant {
+                return ItemVariant.of(stack)
+            }
+
+            override fun getAmount(): Long {
+                return stack.count.toLong()
+            }
+
+            override fun getCapacity(): Long {
+                // TODO: ehh? we have stuff stored, but nothing can be inserted, so...
+                return 0
+            }
         }
     }
 
-	class PendingInsertion(stack: ItemStack, timestamp: Long): NetworkStackDispatcher.PendingInsertion<PendingInsertion>(stack, timestamp) {
+    class PendingInsertion(stack: ItemStack, timestamp: Long) :
+        NetworkStackDispatcher.PendingInsertion<PendingInsertion>(stack, timestamp) {
     }
 
 }

src/main/kotlin/net/shadowfacts/phycon/block/netinterface/InterfaceBlock.kt

@@ -1,7 +1,5 @@
 package net.shadowfacts.phycon.block.netinterface
 
-import alexiil.mc.lib.attributes.AttributeList
-import alexiil.mc.lib.attributes.AttributeProvider
 import net.minecraft.block.*
 import net.minecraft.entity.LivingEntity
 import net.minecraft.item.ItemStack
@@ -23,8 +21,7 @@ class InterfaceBlock: FaceDeviceBlock<InterfaceBlockEntity>(
         .strength(1.5f)
         .sounds(BlockSoundGroup.METAL)
 ),
-	NetworkComponentBlock,
-	AttributeProvider {
+    NetworkComponentBlock {
 
     companion object {
         val ID = Identifier(PhysicalConnectivity.MODID, "network_interface")
@@ -42,20 +39,4 @@ class InterfaceBlock: FaceDeviceBlock<InterfaceBlockEntity>(
 
     override fun createBlockEntity(pos: BlockPos, state: BlockState) = InterfaceBlockEntity(pos, state)
 
-	override fun onPlaced(world: World, pos: BlockPos, state: BlockState, placer: LivingEntity?, stack: ItemStack) {
-		if (!world.isClient) {
-			getBlockEntity(world, pos)!!.updateInventory()
-		}
-	}
-
-	override fun neighborUpdate(state: BlockState, world: World, pos: BlockPos, neighborBlock: Block, neighborPos: BlockPos, boolean_1: Boolean) {
-		if (!world.isClient) {
-			getBlockEntity(world, pos)!!.updateInventory()
-		}
-	}
-
-	override fun addAllAttributes(world: World, pos: BlockPos, state: BlockState, to: AttributeList<*>) {
-		to.offer(getBlockEntity(world, pos))
-	}
-
 }

src/main/kotlin/net/shadowfacts/phycon/block/netinterface/InterfaceBlockEntity.kt

@@ -1,12 +1,14 @@
 package net.shadowfacts.phycon.block.netinterface
 
-import alexiil.mc.lib.attributes.SearchOptions
-import alexiil.mc.lib.attributes.Simulation
-import alexiil.mc.lib.attributes.item.GroupedItemInv
-import alexiil.mc.lib.attributes.item.ItemAttributes
+import net.fabricmc.fabric.api.lookup.v1.block.BlockApiCache
+import net.fabricmc.fabric.api.transfer.v1.item.ItemStorage
+import net.fabricmc.fabric.api.transfer.v1.item.ItemVariant
+import net.fabricmc.fabric.api.transfer.v1.storage.Storage
+import net.fabricmc.fabric.api.transfer.v1.transaction.Transaction
 import net.minecraft.block.BlockState
 import net.minecraft.item.ItemStack
 import net.minecraft.nbt.NbtCompound
+import net.minecraft.server.world.ServerWorld
 import net.minecraft.util.math.BlockPos
 import net.minecraft.util.math.Direction
 import net.shadowfacts.phycon.api.packet.Packet
@@ -19,13 +21,14 @@ import net.shadowfacts.phycon.component.NetworkStackReceiver
 import net.shadowfacts.phycon.component.handleItemStack
 import net.shadowfacts.phycon.packet.*
 import net.shadowfacts.phycon.util.ClientConfigurableDevice
-import java.lang.ref.WeakReference
+import net.shadowfacts.phycon.util.copyWithCount
 import kotlin.math.min
 
 /**
  * @author shadowfacts
  */
-class InterfaceBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(PhyBlockEntities.INTERFACE, pos, state),
+class InterfaceBlockEntity(pos: BlockPos, state: BlockState) :
+    DeviceBlockEntity(PhyBlockEntities.INTERFACE, pos, state),
     ItemStackPacketHandler,
     NetworkStackProvider,
     NetworkStackReceiver,
@@ -38,21 +41,17 @@ class InterfaceBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(
     override var receiverPriority = 0
     var syncPriorities = true
 
-	private var inventory: WeakReference<GroupedItemInv>? = null
+    private var cachedFacedBlock: BlockState? = null
+    private var inventoryCache: BlockApiCache<Storage<ItemVariant>, Direction>? = null
 
-	fun updateInventory() {
-		val offsetPos = pos.offset(facing)
-		val option = SearchOptions.inDirection(facing)
-		inventory = ItemAttributes.GROUPED_INV.getFirstOrNull(world, offsetPos, option).let {
-			WeakReference(it)
+    private fun getInventory(): Storage<ItemVariant>? {
+        if (cachedFacedBlock == null) {
+            cachedFacedBlock = world!!.getBlockState(pos.offset(facing))
         }
+        if (inventoryCache == null) {
+            inventoryCache = BlockApiCache.create(ItemStorage.SIDED, world!! as ServerWorld, pos.offset(facing))
         }
-
-	private fun getInventory(): GroupedItemInv? {
-		// if we don't have an inventory, try to get one
-		// this happens when readAll is called before a neighbor state changes, such as immediately after world load
-		if (inventory?.get() == null) updateInventory()
-		return inventory?.get()
+        return inventoryCache!!.find(cachedFacedBlock!!, facing.opposite)
     }
 
     override fun handle(packet: Packet) {
@@ -70,46 +69,50 @@ class InterfaceBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(
             return
         }
         getInventory()?.also { inv ->
-			sendPacket(ReadGroupedInventoryPacket(inv, ipAddress, packet.source))
+            sendPacket(ReadItemStoragePacket(inv, ipAddress, packet.source))
         }
     }
 
     private fun handleLocateStack(packet: LocateStackPacket) {
         getInventory()?.also { inv ->
-			val amount = inv.getAmount(packet.stack)
-			sendPacket(StackLocationPacket(packet.stack, amount, this, ipAddress, packet.source))
+            val transaction = Transaction.openOuter()
+            val amount = inv.simulateExtract(ItemVariant.of(packet.stack), Long.MAX_VALUE, transaction);
+            transaction.close()
+            sendPacket(StackLocationPacket(packet.stack, amount.toInt(), this, ipAddress, packet.source))
         }
     }
 
     private fun handleExtractStack(packet: ExtractStackPacket) {
         getInventory()?.also { inv ->
-			var amount = packet.amount
-			while (amount > 0) {
-				val extracted = inv.extract(packet.stack, min(amount, packet.stack.maxCount))
-				if (extracted.isEmpty) {
-					break
-				} else {
-					amount -= extracted.count
-					sendPacket(ItemStackPacket(extracted, ipAddress, packet.source))
-				}
+            var remaining = packet.amount
+            while (remaining > 0) {
+                val toExtract = min(remaining, packet.stack.maxCount)
+                val transaction = Transaction.openOuter()
+                val extracted = inv.extract(ItemVariant.of(packet.stack), toExtract.toLong(), transaction)
+                transaction.commit()
+                remaining -= extracted.toInt()
+                sendPacket(ItemStackPacket(packet.stack.copyWithCount(extracted.toInt()), ipAddress, packet.source))
             }
         }
     }
 
     private fun handleCheckCapacity(packet: CheckCapacityPacket) {
         getInventory()?.also { inv ->
-			val remaining = inv.attemptInsertion(packet.stack, Simulation.SIMULATE)
-			val couldAccept = packet.stack.count - remaining.count
-			sendPacket(CapacityPacket(packet.stack, couldAccept, this, ipAddress, packet.source))
+            val transaction = Transaction.openOuter()
+            val inserted = inv.simulateInsert(ItemVariant.of(packet.stack), packet.stack.count.toLong(), transaction)
+            transaction.close()
+            sendPacket(CapacityPacket(packet.stack, inserted.toInt(), this, ipAddress, packet.source))
         }
     }
 
     override fun doHandleItemStack(packet: ItemStackPacket): ItemStack {
         val inventory = getInventory()
         if (inventory != null) {
-			val remaining = inventory.insert(packet.stack)
-			// whatever could not be inserted will be sent back to the packet's source
-			return remaining
+            val transaction = Transaction.openOuter()
+            val inserted = inventory.insert(ItemVariant.of(packet.stack), packet.stack.count.toLong(), transaction)
+            transaction.commit()
+            val remaining = packet.stack.count - inserted.toInt()
+            return packet.stack.copyWithCount(remaining)
         } else {
             return packet.stack
         }

src/main/kotlin/net/shadowfacts/phycon/block/netswitch/SwitchBlock.kt

@@ -1,7 +1,5 @@
 package net.shadowfacts.phycon.block.netswitch
 
-import alexiil.mc.lib.attributes.AttributeList
-import alexiil.mc.lib.attributes.AttributeProvider
 import net.minecraft.block.BlockState
 import net.minecraft.block.Material
 import net.minecraft.block.entity.BlockEntity
@@ -11,7 +9,6 @@ import net.minecraft.sound.BlockSoundGroup
 import net.minecraft.util.Identifier
 import net.minecraft.util.math.BlockPos
 import net.minecraft.util.math.Direction
-import net.minecraft.world.BlockView
 import net.minecraft.world.World
 import net.minecraft.world.WorldAccess
 import net.shadowfacts.phycon.PhysicalConnectivity
@@ -28,8 +25,7 @@ class SwitchBlock: BlockWithEntity<SwitchBlockEntity>(
         .strength(1.5f)
         .sounds(BlockSoundGroup.METAL)
 ),
-	NetworkComponentBlock,
-	AttributeProvider {
+    NetworkComponentBlock {
 
     companion object {
         val ID = Identifier(PhysicalConnectivity.MODID, "switch")
@@ -39,13 +35,22 @@ class SwitchBlock: BlockWithEntity<SwitchBlockEntity>(
         return EnumSet.allOf(Direction::class.java)
     }
 
-	override fun getNetworkInterfaceForSide(side: Direction, state: BlockState, world: WorldAccess, pos: BlockPos): Interface? {
+    override fun getNetworkInterfaceForSide(
+        side: Direction,
+        state: BlockState,
+        world: WorldAccess,
+        pos: BlockPos
+    ): Interface? {
         return getBlockEntity(world, pos)?.interfaces?.find { it.side == side }
     }
 
     override fun createBlockEntity(pos: BlockPos, state: BlockState) = SwitchBlockEntity(pos, state)
 
-	override fun <T: BlockEntity> getTicker(world: World, state: BlockState, type: BlockEntityType<T>): BlockEntityTicker<T>? {
+    override fun <T : BlockEntity> getTicker(
+        world: World,
+        state: BlockState,
+        type: BlockEntityType<T>
+    ): BlockEntityTicker<T>? {
         return if (world.isClient) {
             null
         } else {
@@ -54,8 +59,4 @@ class SwitchBlock: BlockWithEntity<SwitchBlockEntity>(
             }
         }
     }
-
-	override fun addAllAttributes(world: World, pos: BlockPos, state: BlockState, to: AttributeList<*>) {
-		to.offer(getBlockEntity(world, pos))
-	}
 }

src/main/kotlin/net/shadowfacts/phycon/block/netswitch/SwitchBlockEntity.kt

@@ -20,6 +20,7 @@ import net.shadowfacts.phycon.frame.BasePacketFrame
 import net.shadowfacts.phycon.frame.NetworkSplitFrame
 import net.shadowfacts.phycon.init.PhyBlockEntities
 import net.shadowfacts.phycon.packet.ItemStackPacket
+import net.shadowfacts.phycon.util.IntRingBuffer
 import net.shadowfacts.phycon.util.NetworkUtil
 import java.lang.ref.WeakReference
 import java.util.Deque
@@ -38,9 +39,13 @@ class SwitchBlockEntity(pos: BlockPos, state: BlockState): BlockEntity(PhyBlockE
 
     private val macTable = mutableMapOf<MACAddress, Direction>()
     private val destinationCache = Array<WeakReference<Interface>?>(6) { null }
+    val packetStatistics = IntRingBuffer(60) // 1 minute's worth
+    private val currentSecondPacketStatistics = IntRingBuffer(20)
     private var packetsHandledThisTick = 0
     private var delayedPackets: Deque<Pair<PacketFrame, SwitchInterface>> = LinkedList()
 
+    var statisticsObserver: (() -> Unit)? = null
+
     fun interfaceForSide(side: Direction): SwitchInterface {
         return interfaces.find { it.side == side }!!
     }
@@ -64,7 +69,14 @@ class SwitchBlockEntity(pos: BlockPos, state: BlockState): BlockEntity(PhyBlockE
     private fun resend(frame: EthernetFrame, fromItf: SwitchInterface) {
         if (frame.destination.type != MACAddress.Type.BROADCAST && macTable.containsKey(frame.destination)) {
             val dir = macTable[frame.destination]!!
-			PhysicalConnectivity.NETWORK_LOGGER.debug("{} ({}, {}) forwarding {} to side {}", this, fromItf.side, fromItf.macAddress, frame, dir)
+            PhysicalConnectivity.NETWORK_LOGGER.debug(
+                "{} ({}, {}) forwarding {} to side {}",
+                this,
+                fromItf.side,
+                fromItf.macAddress,
+                frame,
+                dir
+            )
             interfaceForSide(dir).send(frame)
         } else {
             flood(frame, fromItf)
@@ -72,7 +84,13 @@ class SwitchBlockEntity(pos: BlockPos, state: BlockState): BlockEntity(PhyBlockE
     }
 
     private fun flood(frame: EthernetFrame, source: SwitchInterface) {
-		PhysicalConnectivity.NETWORK_LOGGER.debug("{} ({}, {}) flooding {}", this, source.side, source.macAddress, frame)
+        PhysicalConnectivity.NETWORK_LOGGER.debug(
+            "{} ({}, {}) flooding {}",
+            this,
+            source.side,
+            source.macAddress,
+            frame
+        )
         for (itf in interfaces) {
             if (source == itf) continue
             itf.send(frame)
@@ -98,6 +116,16 @@ class SwitchBlockEntity(pos: BlockPos, state: BlockState): BlockEntity(PhyBlockE
     }
 
     fun tick() {
+        if (statisticsObserver != null) {
+            if (currentSecondPacketStatistics.size == 20) {
+                packetStatistics.add(currentSecondPacketStatistics.sum())
+                currentSecondPacketStatistics.clear()
+                statisticsObserver?.invoke()
+            } else {
+                currentSecondPacketStatistics.add(packetsHandledThisTick)
+            }
+        }
+
         packetsHandledThisTick = 0
 
         while (delayedPackets.isNotEmpty() && packetsHandledThisTick <= SWITCHING_CAPACITY) {
@@ -147,6 +175,11 @@ class SwitchBlockEntity(pos: BlockPos, state: BlockState): BlockEntity(PhyBlockE
                 delayedPackets.addLast(frame to fromItf)
             }
         }
+        tag.getIntArray("PacketStatistics")?.also { statistics ->
+            if (statistics.isNotEmpty()) {
+                packetStatistics.replace(statistics)
+            }
+        }
     }
 
     override fun toUpdatePacket(): Packet<ClientPlayPacketListener>? {
@@ -156,6 +189,7 @@ class SwitchBlockEntity(pos: BlockPos, state: BlockState): BlockEntity(PhyBlockE
     override fun toInitialChunkDataNbt(): NbtCompound {
         val tag = NbtCompound()
         tag.putLongArray("InterfaceAddresses", interfaces.map { it.macAddress.address })
+        tag.putIntArray("PacketStatistics", packetStatistics.asContiguousArray())
         return tag
     }
 

src/main/kotlin/net/shadowfacts/phycon/block/netswitch/SwitchConsoleScreen.kt

@@ -0,0 +1,100 @@
+package net.shadowfacts.phycon.block.netswitch
+
+import net.minecraft.client.util.math.MatrixStack
+import net.minecraft.entity.player.PlayerInventory
+import net.minecraft.text.LiteralText
+import net.minecraft.text.Text
+import net.shadowfacts.cacao.CacaoHandledScreen
+import net.shadowfacts.cacao.geometry.Point
+import net.shadowfacts.cacao.geometry.Rect
+import net.shadowfacts.cacao.geometry.Size
+import net.shadowfacts.cacao.util.Color
+import net.shadowfacts.cacao.util.RenderHelper
+import net.shadowfacts.cacao.view.Label
+import net.shadowfacts.cacao.view.View
+import net.shadowfacts.cacao.viewcontroller.ViewController
+import net.shadowfacts.cacao.window.ScreenHandlerWindow
+import net.shadowfacts.kiwidsl.dsl
+import org.lwjgl.glfw.GLFW
+
+/**
+ * @author shadowfacts
+ */
+class SwitchConsoleScreen(
+    handler: SwitchConsoleScreenHandler,
+    playerInventory: PlayerInventory,
+    title: Text,
+) : CacaoHandledScreen<SwitchConsoleScreenHandler>(
+    handler,
+    playerInventory,
+    title,
+) {
+
+    val root = SwitchConsoleViewController(handler.switch)
+
+    init {
+        addWindow(ScreenHandlerWindow(handler, root))
+    }
+
+    override fun shouldPause() = false
+
+    override fun keyPressed(keyCode: Int, scanCode: Int, modifiers: Int): Boolean {
+        if (keyCode == GLFW.GLFW_KEY_E) {
+            close()
+            return true
+        }
+        return super.keyPressed(keyCode, scanCode, modifiers)
+    }
+
+}
+
+class SwitchConsoleViewController(val switch: SwitchBlockEntity) : ViewController() {
+    override fun viewDidLoad() {
+        super.viewDidLoad()
+
+        val stats = SwitchPacketStatisticsView(switch)
+        view.addSubview(stats)
+        view.solver.dsl {
+            stats.centerXAnchor equalTo (view.centerXAnchor + 50)
+            stats.centerYAnchor equalTo (view.centerYAnchor + 50)
+        }
+    }
+}
+
+class SwitchPacketStatisticsView(val switch: SwitchBlockEntity) : View() {
+
+    init {
+        intrinsicContentSize = Size(180.0, 90.0)
+    }
+
+    override fun drawContent(matrixStack: MatrixStack, mouse: Point, delta: Float) {
+        RenderHelper.fill(matrixStack, bounds, Color.BLACK)
+        if (switch.packetStatistics.size == 0) {
+            return
+        }
+        // TODO: drawLine isn't working for some reason
+        RenderHelper.drawLine(
+            Point(bounds.left, bounds.top),
+            Point(bounds.right, bounds.bottom),
+            1.0,
+            2f,
+            Color.MAGENTA
+        )
+        return
+        val maxPackets = switch.packetStatistics.maxOf { it }
+        val maxDataPointsCount = 60
+        var lastPoint: Point? = null
+        val size = Size(3.0, 3.0)
+        for ((index, packets) in switch.packetStatistics.withIndex()) {
+            val x = (1 - (switch.packetStatistics.size - index).toDouble() / maxDataPointsCount) * bounds.width
+            val y = (1 - (packets.toDouble() / maxPackets)) * (bounds.height)
+            val point = Point(x, y)
+            if (lastPoint != null) {
+//                RenderHelper.fill(matrixStack, Rect(lastPoint, 3.0, 3.0), Color.RED)
+                RenderHelper.drawLine(lastPoint, point, 1.0, 2f, Color.RED)
+            }
+            lastPoint = point
+        }
+    }
+
+}

src/main/kotlin/net/shadowfacts/phycon/block/netswitch/SwitchConsoleScreenHandler.kt

@@ -0,0 +1,46 @@
+package net.shadowfacts.phycon.block.netswitch
+
+import net.minecraft.entity.player.PlayerEntity
+import net.minecraft.entity.player.PlayerInventory
+import net.minecraft.network.PacketByteBuf
+import net.minecraft.screen.ScreenHandler
+import net.minecraft.util.Identifier
+import net.shadowfacts.phycon.PhysicalConnectivity
+import net.shadowfacts.phycon.init.PhyBlocks
+import net.shadowfacts.phycon.init.PhyScreens
+
+/**
+ * @author shadowfacts
+ */
+class SwitchConsoleScreenHandler(
+    syncId: Int,
+    val switch: SwitchBlockEntity,
+) : ScreenHandler(PhyScreens.SWITCH_CONSOLE, syncId) {
+
+    companion object {
+        val ID = Identifier(PhysicalConnectivity.MODID, "switch_console")
+    }
+
+    constructor(syncId: Int, playerInv: PlayerInventory, buf: PacketByteBuf) :
+            this(
+                syncId,
+                PhyBlocks.SWITCH.getBlockEntity(playerInv.player.world, buf.readBlockPos())!!
+            )
+
+    init {
+        switch.statisticsObserver = {
+            switch.world!!.updateListeners(switch.pos, switch.cachedState, switch.cachedState, 3)
+        }
+    }
+
+    override fun canUse(player: PlayerEntity): Boolean {
+        return true
+    }
+
+    override fun close(player: PlayerEntity) {
+        super.close(player)
+
+        switch.statisticsObserver = null
+    }
+
+}

src/main/kotlin/net/shadowfacts/phycon/block/p2p/P2PInterfaceBlockEntity.kt

@@ -15,7 +15,8 @@ import net.shadowfacts.phycon.packet.RequestInventoryPacket
 /**
  * @author shadowfacts
  */
-class P2PInterfaceBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(PhyBlockEntities.P2P_INTERFACE, pos, state) {
+class P2PInterfaceBlockEntity(pos: BlockPos, state: BlockState) :
+    DeviceBlockEntity(PhyBlockEntities.P2P_INTERFACE, pos, state) {
 
     private var inventory: Storage<ItemVariant>? = null
 

src/main/kotlin/net/shadowfacts/phycon/block/p2p/P2PReceiverBlockEntity.kt

@@ -21,7 +21,8 @@ import java.lang.ref.WeakReference
 /**
  * @author shadowfacts
  */
-class P2PReceiverBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(PhyBlockEntities.P2P_RECEIVER, pos, state),
+class P2PReceiverBlockEntity(pos: BlockPos, state: BlockState) :
+    DeviceBlockEntity(PhyBlockEntities.P2P_RECEIVER, pos, state),
     ClientConfigurableDevice {
 
     enum class Status {

src/main/kotlin/net/shadowfacts/phycon/block/redstone_controller/RedstoneControllerBlock.kt

@@ -51,7 +51,14 @@ class RedstoneControllerBlock: FaceDeviceBlock<RedstoneControllerBlockEntity>(
         return state.with(POWERED, isPowered(context.world, context.blockPos, state[FACING]))
     }
 
-	override fun neighborUpdate(state: BlockState, world: World, pos: BlockPos, neighborBlock: Block, neighborPos: BlockPos, bl: Boolean) {
+    override fun neighborUpdate(
+        state: BlockState,
+        world: World,
+        pos: BlockPos,
+        neighborBlock: Block,
+        neighborPos: BlockPos,
+        bl: Boolean
+    ) {
         // this can't be done in getStateForNeighborUpdate because getEmittedRedstonePower is defined in World not WorldAccess
         if (!world.isClient) {
             val wasLit = state[POWERED]

src/main/kotlin/net/shadowfacts/phycon/block/redstone_controller/RedstoneControllerBlockEntity.kt

@@ -14,7 +14,8 @@ import net.shadowfacts.phycon.util.RedstoneMode
 /**
  * @author shadowfacts
  */
-class RedstoneControllerBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(PhyBlockEntities.REDSTONE_CONTROLLER, pos, state),
+class RedstoneControllerBlockEntity(pos: BlockPos, state: BlockState) :
+    DeviceBlockEntity(PhyBlockEntities.REDSTONE_CONTROLLER, pos, state),
     ClientConfigurableDevice {
 
     var managedDevices = Array<IPAddress?>(5) { null }

src/main/kotlin/net/shadowfacts/phycon/block/redstone_emitter/RedstoneEmitterBlock.kt

@@ -51,7 +51,12 @@ class RedstoneEmitterBlock: FaceDeviceBlock<RedstoneEmitterBlockEntity>(
         return true
     }
 
-	override fun getStrongRedstonePower(state: BlockState, world: BlockView, pos: BlockPos, receivingSide: Direction): Int {
+    override fun getStrongRedstonePower(
+        state: BlockState,
+        world: BlockView,
+        pos: BlockPos,
+        receivingSide: Direction
+    ): Int {
         return if (receivingSide.opposite == state[FACING]) {
             getBlockEntity(world, pos)!!.cachedEmittedPower
         } else {
@@ -59,11 +64,23 @@ class RedstoneEmitterBlock: FaceDeviceBlock<RedstoneEmitterBlockEntity>(
         }
     }
 
-	override fun getWeakRedstonePower(state: BlockState, world: BlockView, pos: BlockPos, receivingSide: Direction): Int {
+    override fun getWeakRedstonePower(
+        state: BlockState,
+        world: BlockView,
+        pos: BlockPos,
+        receivingSide: Direction
+    ): Int {
         return getStrongRedstonePower(state, world, pos, receivingSide)
     }
 
-	override fun onUse(state: BlockState, world: World, pos: BlockPos, player: PlayerEntity, hand: Hand, result: BlockHitResult): ActionResult {
+    override fun onUse(
+        state: BlockState,
+        world: World,
+        pos: BlockPos,
+        player: PlayerEntity,
+        hand: Hand,
+        result: BlockHitResult
+    ): ActionResult {
         if (!world.isClient) {
             val be = getBlockEntity(world, pos)!!
 

src/main/kotlin/net/shadowfacts/phycon/block/redstone_emitter/RedstoneEmitterBlockEntity.kt

@@ -1,6 +1,7 @@
 package net.shadowfacts.phycon.block.redstone_emitter
 
-import alexiil.mc.lib.attributes.item.GroupedItemInvView
+import net.fabricmc.fabric.api.transfer.v1.item.ItemVariant
+import net.fabricmc.fabric.api.transfer.v1.storage.Storage
 import net.minecraft.block.BlockState
 import net.minecraft.item.ItemStack
 import net.minecraft.nbt.NbtCompound
@@ -12,27 +13,29 @@ import net.shadowfacts.phycon.block.DeviceBlockEntity
 import net.shadowfacts.phycon.block.FaceDeviceBlock
 import net.shadowfacts.phycon.init.PhyBlockEntities
 import net.shadowfacts.phycon.packet.DeviceRemovedPacket
-import net.shadowfacts.phycon.packet.ReadGroupedInventoryPacket
+import net.shadowfacts.phycon.packet.ReadItemStoragePacket
 import net.shadowfacts.phycon.packet.RequestInventoryPacket
 import net.shadowfacts.phycon.util.ClientConfigurableDevice
 import net.shadowfacts.phycon.util.GhostInv
-import kotlin.math.round
 
 /**
  * @author shadowfacts
  */
-class RedstoneEmitterBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockEntity(PhyBlockEntities.REDSTONE_EMITTER, pos, state),
+class RedstoneEmitterBlockEntity(pos: BlockPos, state: BlockState) :
+    DeviceBlockEntity(PhyBlockEntities.REDSTONE_EMITTER, pos, state),
     ClientConfigurableDevice,
     GhostInv {
 
-	private val inventoryCache = mutableMapOf<IPAddress, GroupedItemInvView>()
+    private val inventoryCache = mutableMapOf<IPAddress, Storage<ItemVariant>>()
     var cachedEmittedPower: Int = 0
         private set
 
     var stackToMonitor: ItemStack = ItemStack.EMPTY
     override var ghostSlotStack: ItemStack
         get() = stackToMonitor
-		set(value) { stackToMonitor = value }
+        set(value) {
+            stackToMonitor = value
+        }
     var maxAmount = 64
     var mode = Mode.ANALOG
         set(value) {
@@ -42,12 +45,12 @@ class RedstoneEmitterBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockE
 
     override fun handle(packet: Packet) {
         when (packet) {
-			is ReadGroupedInventoryPacket -> handleReadInventory(packet)
+            is ReadItemStoragePacket -> handleReadItemStorage(packet)
             is DeviceRemovedPacket -> handleDeviceRemoved(packet)
         }
     }
 
-	private fun handleReadInventory(packet: ReadGroupedInventoryPacket) {
+    private fun handleReadItemStorage(packet: ReadItemStoragePacket) {
         inventoryCache[packet.source] = packet.inventory
         recalculateRedstone()
     }
@@ -63,9 +66,8 @@ class RedstoneEmitterBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockE
         if (!world!!.isClient && counter % 20 == 0L) {
             if (counter % 80 == 0L) {
                 updateInventories()
-			} else if (counter % 20 == 0L) {
-				recalculateRedstone()
             }
+            recalculateRedstone()
         }
     }
 
@@ -81,16 +83,18 @@ class RedstoneEmitterBlockEntity(pos: BlockPos, state: BlockState): DeviceBlockE
             updateWorld()
             return
         }
+        val variant = ItemVariant.of(stackToMonitor)
         val networkAmount = inventoryCache.values.fold(0) { acc, inv ->
-			acc + inv.getAmount(stackToMonitor)
+            acc + inv.simulateExtract(variant, Long.MAX_VALUE, null).toInt()
         }
         cachedEmittedPower =
             when (mode) {
                 Mode.ANALOG -> if (networkAmount == 0) {
                     0
                 } else {
-					1 + round(networkAmount / maxAmount.toDouble() * 14).toInt()
+                    1 + (networkAmount / maxAmount.toDouble() * 14).toInt()
                 }
+
                 Mode.DIGITAL -> if (networkAmount >= maxAmount) 15 else 0
             }
 

src/main/kotlin/net/shadowfacts/phycon/block/redstone_emitter/RedstoneEmitterScreen.kt

@@ -90,7 +90,12 @@ class RedstoneEmitterScreen(
             view.addSubview(hStack)
 
             val zeroStack = hStack.addArrangedSubview(StackView(Axis.VERTICAL))
-			zeroStack.addArrangedSubview(Label(TranslatableText("gui.phycon.emitter.count", 0), textAlignment = Label.TextAlignment.CENTER)).apply {
+            zeroStack.addArrangedSubview(
+                Label(
+                    TranslatableText("gui.phycon.emitter.count", 0),
+                    textAlignment = Label.TextAlignment.CENTER
+                )
+            ).apply {
                 textColor = Color.TEXT
             }
             zeroStack.addArrangedSubview(View())

src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalBlock.kt

@@ -1,7 +1,5 @@
 package net.shadowfacts.phycon.block.terminal
 
-import alexiil.mc.lib.attributes.AttributeList
-import alexiil.mc.lib.attributes.AttributeProvider
 import net.minecraft.block.Block
 import net.minecraft.block.BlockState
 import net.minecraft.block.Material
@@ -12,15 +10,11 @@ import net.minecraft.state.StateManager
 import net.minecraft.state.property.Properties
 import net.minecraft.util.ActionResult
 import net.minecraft.util.Hand
-import net.minecraft.util.Identifier
-import net.minecraft.util.ItemScatterer
 import net.minecraft.util.hit.BlockHitResult
 import net.minecraft.util.math.BlockPos
 import net.minecraft.util.math.Direction
-import net.minecraft.world.BlockView
 import net.minecraft.world.World
 import net.minecraft.world.WorldAccess
-import net.shadowfacts.phycon.PhysicalConnectivity
 import net.shadowfacts.phycon.api.NetworkComponentBlock
 import net.shadowfacts.phycon.block.DeviceBlock
 import java.util.EnumSet
@@ -33,8 +27,7 @@ abstract class AbstractTerminalBlock<T: AbstractTerminalBlockEntity>: DeviceBloc
         .strength(1.5f)
         .sounds(BlockSoundGroup.METAL)
 ),
-	NetworkComponentBlock,
-	AttributeProvider {
+    NetworkComponentBlock {
 
     companion object {
         val FACING = Properties.FACING
@@ -55,7 +48,14 @@ abstract class AbstractTerminalBlock<T: AbstractTerminalBlockEntity>: DeviceBloc
         return defaultState.with(FACING, context.playerLookDirection.opposite)
     }
 
-	override fun onUse(state: BlockState, world: World, pos: BlockPos, player: PlayerEntity, hand: Hand, hitResult: BlockHitResult): ActionResult {
+    override fun onUse(
+        state: BlockState,
+        world: World,
+        pos: BlockPos,
+        player: PlayerEntity,
+        hand: Hand,
+        hitResult: BlockHitResult
+    ): ActionResult {
         getBlockEntity(world, pos)!!.onActivate(player)
         return ActionResult.SUCCESS
     }
@@ -68,8 +68,4 @@ abstract class AbstractTerminalBlock<T: AbstractTerminalBlockEntity>: DeviceBloc
             super.onStateReplaced(state, world, pos, newState, moved)
         }
     }
-
-	override fun addAllAttributes(world: World, pos: BlockPos, state: BlockState, to: AttributeList<*>) {
-		to.offer(getBlockEntity(world, pos))
-	}
 }

src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalBlockEntity.kt

@@ -1,8 +1,9 @@
 package net.shadowfacts.phycon.block.terminal
 
-import alexiil.mc.lib.attributes.item.GroupedItemInvView
-import alexiil.mc.lib.attributes.item.ItemStackCollections
-import alexiil.mc.lib.attributes.item.ItemStackUtil
+import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap
+import net.fabricmc.fabric.api.transfer.v1.item.ItemVariant
+import net.fabricmc.fabric.api.transfer.v1.storage.Storage
+import net.fabricmc.fabric.api.transfer.v1.transaction.Transaction
 import net.minecraft.block.BlockState
 import net.minecraft.block.entity.BlockEntityType
 import net.minecraft.entity.player.PlayerEntity
@@ -18,9 +19,9 @@ import net.shadowfacts.phycon.api.packet.Packet
 import net.shadowfacts.phycon.api.util.IPAddress
 import net.shadowfacts.phycon.block.DeviceBlockEntity
 import net.shadowfacts.phycon.component.*
-import net.shadowfacts.phycon.frame.NetworkSplitFrame
 import net.shadowfacts.phycon.packet.*
 import net.shadowfacts.phycon.util.NetworkUtil
+import net.shadowfacts.phycon.util.equalsIgnoringAmount
 import java.lang.ref.WeakReference
 import java.util.*
 import java.util.function.IntBinaryOperator
@@ -30,7 +31,8 @@ import kotlin.properties.Delegates
 /**
  * @author shadowfacts
  */
-abstract class AbstractTerminalBlockEntity(type: BlockEntityType<*>, pos: BlockPos, state: BlockState): DeviceBlockEntity(type, pos, state),
+abstract class AbstractTerminalBlockEntity(type: BlockEntityType<*>, pos: BlockPos, state: BlockState) :
+    DeviceBlockEntity(type, pos, state),
     InventoryChangedListener,
     ItemStackPacketHandler,
     NetworkStackDispatcher<AbstractTerminalBlockEntity.PendingInsertion> {
@@ -43,14 +45,14 @@ abstract class AbstractTerminalBlockEntity(type: BlockEntityType<*>, pos: BlockP
         val REQUEST_INVENTORY_TIMEOUT: Long = 1 // ticks
     }
 
-	protected val inventoryCache = mutableMapOf<IPAddress, GroupedItemInvView>()
+    protected val inventoryCache = mutableMapOf<IPAddress, Storage<ItemVariant>>()
     val internalBuffer = TerminalBufferInventory(18)
 
     protected val pendingRequests = LinkedList<StackLocateRequest>()
     override val pendingInsertions = mutableListOf<PendingInsertion>()
     override val dispatchStackTimeout = INSERTION_TIMEOUT
 
-	val cachedNetItems = ItemStackCollections.intMap()
+    val cachedNetItems = Object2IntOpenHashMap<ItemVariant>()
     private var requestInventoryTimestamp: Long? = null
 
     // todo: multiple players could have the terminal open simultaneously
@@ -77,7 +79,7 @@ abstract class AbstractTerminalBlockEntity(type: BlockEntityType<*>, pos: BlockP
 
     override fun handle(packet: Packet) {
         when (packet) {
-			is ReadGroupedInventoryPacket -> handleReadInventory(packet)
+            is ReadItemStoragePacket -> handleReadItemStorage(packet)
             is DeviceRemovedPacket -> handleDeviceRemoved(packet)
             is StackLocationPacket -> handleStackLocation(packet)
             is ItemStackPacket -> handleItemStack(packet)
@@ -85,7 +87,7 @@ abstract class AbstractTerminalBlockEntity(type: BlockEntityType<*>, pos: BlockP
         }
     }
 
-	private fun handleReadInventory(packet: ReadGroupedInventoryPacket) {
+    private fun handleReadItemStorage(packet: ReadItemStoragePacket) {
         inventoryCache[packet.source] = packet.inventory
         updateAndSync()
     }
@@ -97,7 +99,7 @@ abstract class AbstractTerminalBlockEntity(type: BlockEntityType<*>, pos: BlockP
 
     private fun handleStackLocation(packet: StackLocationPacket) {
         val request = pendingRequests.firstOrNull {
-			ItemStackUtil.areEqualIgnoreAmounts(it.stack, packet.stack)
+            it.stack.equalsIgnoringAmount(packet.stack)
         }
         if (request != null) {
             request.results.add(packet.amount to packet.stackProvider)
@@ -136,10 +138,12 @@ abstract class AbstractTerminalBlockEntity(type: BlockEntityType<*>, pos: BlockP
     private fun updateNetItems() {
         cachedNetItems.clear()
         for (inventory in inventoryCache.values) {
-			for (stack in inventory.storedStacks) {
-				val amount = inventory.getAmount(stack)
-				cachedNetItems.mergeInt(stack, amount, IntBinaryOperator { a, b -> a + b })
+            val transaction = Transaction.openOuter()
+            for (view in inventory.iterator(transaction)) {
+                val amount = view.amount.toInt()
+                cachedNetItems.mergeInt(view.resource, amount, IntBinaryOperator { a, b -> a + b })
             }
+            transaction.close()
         }
     }
 
@@ -259,7 +263,8 @@ abstract class AbstractTerminalBlockEntity(type: BlockEntityType<*>, pos: BlockP
         fun netItemsChanged()
     }
 
-	class PendingInsertion(stack: ItemStack, timestamp: Long): NetworkStackDispatcher.PendingInsertion<PendingInsertion>(stack, timestamp) {
+    class PendingInsertion(stack: ItemStack, timestamp: Long) :
+        NetworkStackDispatcher.PendingInsertion<PendingInsertion>(stack, timestamp) {
         var bufferSlot by Delegates.notNull<Int>()
     }
 

src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalScreen.kt

@@ -80,7 +80,13 @@ abstract class AbstractTerminalScreen<BE: AbstractTerminalBlockEntity, T: Abstra
 
     fun requestUpdatedItems() {
         val player = MinecraftClient.getInstance().player!!
-		player.networkHandler.sendPacket(C2STerminalUpdateDisplayedItems(handler.terminal, searchQuery, scrollPosition.toFloat()))
+        player.networkHandler.sendPacket(
+            C2STerminalUpdateDisplayedItems(
+                handler.terminal,
+                searchQuery,
+                scrollPosition.toFloat()
+            )
+        )
     }
 
     private fun showRequestAmountDialog(stack: ItemStack) {
@@ -115,10 +121,12 @@ abstract class AbstractTerminalScreen<BE: AbstractTerminalBlockEntity, T: Abstra
                 val format = if (amount < 10_000) DECIMAL_FORMAT else FORMAT
                 format.format(amount / 1_000.0) + "K"
             }
+
             amount < 1_000_000_000 -> {
                 val format = if (amount < 10_000_000) DECIMAL_FORMAT else FORMAT
                 format.format(amount / 1_000_000.0) + "M"
             }
+
             else -> {
                 DECIMAL_FORMAT.format(amount / 1000000000.0).toString() + "B"
             }
@@ -136,7 +144,18 @@ abstract class AbstractTerminalScreen<BE: AbstractTerminalBlockEntity, T: Abstra
         val immediate = VertexConsumerProvider.immediate(Tessellator.getInstance().buffer)
         val textX = (1 / scale * 18) - textRenderer.getWidth(s).toFloat() - 3
         val textY = (1 / scale * 18) - 11
-		textRenderer.draw(s, textX, textY, 0xffffff, true, matrixStack.peek().positionMatrix, immediate, false, 0, 0xF000F0)
+        textRenderer.draw(
+            s,
+            textX,
+            textY,
+            0xffffff,
+            true,
+            matrixStack.peek().positionMatrix,
+            immediate,
+            false,
+            0,
+            0xF000F0
+        )
         RenderSystem.enableDepthTest()
         immediate.draw()
     }

src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalScreenHandler.kt

@@ -1,24 +1,20 @@
 package net.shadowfacts.phycon.block.terminal
 
+import net.fabricmc.fabric.api.transfer.v1.item.ItemVariant
 import net.minecraft.screen.slot.Slot
 import net.minecraft.screen.slot.SlotActionType
 import net.minecraft.entity.player.PlayerEntity
 import net.minecraft.entity.player.PlayerInventory
 import net.minecraft.item.ItemStack
-import net.minecraft.network.PacketByteBuf
 import net.minecraft.screen.ScreenHandler
 import net.minecraft.screen.ScreenHandlerType
 import net.minecraft.server.network.ServerPlayerEntity
-import net.minecraft.util.Identifier
 import net.minecraft.util.registry.Registry
 import net.shadowfacts.phycon.DefaultPlugin
-import net.shadowfacts.phycon.PhysicalConnectivity
-import net.shadowfacts.phycon.init.PhyBlocks
-import net.shadowfacts.phycon.init.PhyScreens
 import net.shadowfacts.phycon.networking.S2CTerminalUpdateDisplayedItems
 import net.shadowfacts.phycon.util.SortMode
 import net.shadowfacts.phycon.util.TerminalSettings
-import net.shadowfacts.phycon.util.copyWithCount
+import net.shadowfacts.phycon.util.name
 import java.lang.ref.WeakReference
 import kotlin.math.ceil
 import kotlin.math.max
@@ -49,7 +45,7 @@ abstract class AbstractTerminalScreenHandler<T: AbstractTerminalBlockEntity>(
             field = value
             if (terminal.world!!.isClient) {
                 itemsForDisplay = value.map {
-					it.stack.copyWithCount(it.amount)
+                    it.variant.toStack(it.amount)
                 }
             }
         }
@@ -106,6 +102,8 @@ abstract class AbstractTerminalScreenHandler<T: AbstractTerminalBlockEntity>(
                     return@filter true
                 }
             }
+            // TODO: this is happening on the logical server, won't work with localization
+            // should filtering happen on the client?
             it.key.name.string.contains(searchQuery, true)
         }
 
@@ -125,7 +123,16 @@ abstract class AbstractTerminalScreenHandler<T: AbstractTerminalBlockEntity>(
 
 //		itemEntries = sorted.map { Entry(it.key, it.intValue) }
 
-		(player as ServerPlayerEntity).networkHandler.sendPacket(S2CTerminalUpdateDisplayedItems(terminal, itemEntries, searchQuery, settings, scrollPosition, totalEntries))
+        (player as ServerPlayerEntity).networkHandler.sendPacket(
+            S2CTerminalUpdateDisplayedItems(
+                terminal,
+                itemEntries,
+                searchQuery,
+                settings,
+                scrollPosition,
+                totalEntries
+            )
+        )
     }
 
     fun totalRows(): Int {
@@ -144,7 +151,12 @@ abstract class AbstractTerminalScreenHandler<T: AbstractTerminalBlockEntity>(
         return currentScrollOffsetInRows() * 9
     }
 
-	fun sendUpdatedItemsToClient(player: ServerPlayerEntity, query: String, settings: TerminalSettings, scrollPosition: Float) {
+    fun sendUpdatedItemsToClient(
+        player: ServerPlayerEntity,
+        query: String,
+        settings: TerminalSettings,
+        scrollPosition: Float
+    ) {
         this.searchQuery = query
         this.settings = settings
         this.scrollPosition = scrollPosition
@@ -175,7 +187,8 @@ abstract class AbstractTerminalScreenHandler<T: AbstractTerminalBlockEntity>(
             // todo: why does this think it's quick_craft sometimes?
             if ((actionType == SlotActionType.PICKUP || actionType == SlotActionType.QUICK_CRAFT) && !cursorStack.isEmpty) {
                 // placing cursor stack into buffer
-				val bufferSlot = slotId - bufferSlotsStart // subtract 54 to convert the handler slot ID to a valid buffer index
+                val bufferSlot =
+                    slotId - bufferSlotsStart // subtract 54 to convert the handler slot ID to a valid buffer index
                 terminal.internalBuffer.markSlot(bufferSlot, TerminalBufferInventory.Mode.TO_NETWORK)
             }
         }
@@ -203,8 +216,16 @@ abstract class AbstractTerminalScreenHandler<T: AbstractTerminalBlockEntity>(
                 terminal.internalBuffer.markSlot(slotId - bufferSlotsStart, TerminalBufferInventory.Mode.UNASSIGNED)
             }
         } else if (isPlayerSlot(slotId)) {
-			val slotsInsertedInto = tryInsertItem(slot.stack, bufferSlotsStart until playerSlotsStart) { terminal.internalBuffer.getMode(it - bufferSlotsStart) != TerminalBufferInventory.Mode.FROM_NETWORK }
-			slotsInsertedInto.forEach { terminal.internalBuffer.markSlot(it - bufferSlotsStart, TerminalBufferInventory.Mode.TO_NETWORK) }
+            val slotsInsertedInto = tryInsertItem(
+                slot.stack,
+                bufferSlotsStart until playerSlotsStart
+            ) { terminal.internalBuffer.getMode(it - bufferSlotsStart) != TerminalBufferInventory.Mode.FROM_NETWORK }
+            slotsInsertedInto.forEach {
+                terminal.internalBuffer.markSlot(
+                    it - bufferSlotsStart,
+                    TerminalBufferInventory.Mode.TO_NETWORK
+                )
+            }
             if (slotsInsertedInto.isEmpty()) {
                 return ItemStack.EMPTY
             }
@@ -250,5 +271,5 @@ abstract class AbstractTerminalScreenHandler<T: AbstractTerminalBlockEntity>(
     fun isBufferSlot(id: Int) = id in bufferSlotsStart until playerSlotsStart
     fun isPlayerSlot(id: Int) = id >= playerSlotsStart
 
-	data class Entry(val stack: ItemStack, val amount: Int)
+    data class Entry(val variant: ItemVariant, val amount: Int)
 }

src/main/kotlin/net/shadowfacts/phycon/block/terminal/CraftingTerminalBlockEntity.kt

@@ -1,8 +1,9 @@
 package net.shadowfacts.phycon.block.terminal
 
-import alexiil.mc.lib.attributes.item.ItemStackCollections
-import alexiil.mc.lib.attributes.item.ItemStackUtil
+import it.unimi.dsi.fastutil.ints.IntBinaryOperator
+import it.unimi.dsi.fastutil.objects.Object2IntArrayMap
 import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerFactory
+import net.fabricmc.fabric.api.transfer.v1.item.ItemVariant
 import net.minecraft.block.BlockState
 import net.minecraft.entity.player.PlayerEntity
 import net.minecraft.entity.player.PlayerInventory
@@ -17,16 +18,16 @@ import net.minecraft.util.math.BlockPos
 import net.shadowfacts.phycon.init.PhyBlockEntities
 import net.shadowfacts.phycon.packet.ItemStackPacket
 import net.shadowfacts.phycon.packet.LocateStackPacket
-import net.shadowfacts.phycon.packet.RequestInventoryPacket
+import net.shadowfacts.phycon.util.equalsIgnoringAmount
 import net.shadowfacts.phycon.util.fromTag
 import net.shadowfacts.phycon.util.toTag
 import java.util.LinkedList
-import kotlin.math.min
 
 /**
  * @author shadowfacts
  */
-class CraftingTerminalBlockEntity(pos: BlockPos, state: BlockState): AbstractTerminalBlockEntity(PhyBlockEntities.CRAFTING_TERMINAL, pos, state) {
+class CraftingTerminalBlockEntity(pos: BlockPos, state: BlockState) :
+    AbstractTerminalBlockEntity(PhyBlockEntities.CRAFTING_TERMINAL, pos, state) {
 
     val craftingInv = SimpleInventory(9)
 
@@ -52,20 +53,23 @@ class CraftingTerminalBlockEntity(pos: BlockPos, state: BlockState): AbstractTer
     }
 
     fun requestItemsForCrafting(maxAmount: Int) {
-		val amounts = ItemStackCollections.map<IntArray>()
+        // use an array map because we have at most 9 items
+        // values are bitfields of which slots contain the item
+        val stackToSlotsMap = Object2IntArrayMap<ItemVariant>()
 
+        val or = IntBinaryOperator { a, b -> a or b }
         for (i in 0 until craftingInv.size()) {
             val craftingInvStack = craftingInv.getStack(i)
             if (craftingInvStack.isEmpty) continue
             if (craftingInvStack.count >= craftingInvStack.maxCount) continue
 
-			if (craftingInvStack !in amounts) amounts[craftingInvStack] = IntArray(9) { 0 }
-			amounts[craftingInvStack]!![i] = min(maxAmount, craftingInvStack.maxCount - craftingInvStack.count)
+            stackToSlotsMap.mergeInt(ItemVariant.of(craftingInvStack), 1 shl i, or)
         }
 
-		for ((stack, amountPerSlot) in amounts) {
-			val total = amountPerSlot.sum()
-			val request = CraftingStackLocateRequest(stack, total, counter, amountPerSlot)
+        for ((variant, slots) in stackToSlotsMap) {
+            val total = slots.countOneBits()
+            val stack = variant.toStack()
+            val request = CraftingStackLocateRequest(stack, total, counter, slots)
             pendingRequests.add(request)
             sendPacket(LocateStackPacket(stack, ipAddress))
         }
@@ -80,27 +84,29 @@ class CraftingTerminalBlockEntity(pos: BlockPos, state: BlockState): AbstractTer
     }
 
     override fun doHandleItemStack(packet: ItemStackPacket): ItemStack {
-		val craftingReq = completedCraftingStackRequests.find { ItemStackUtil.areEqualIgnoreAmounts(it.stack, packet.stack) }
+        val craftingReq =
+            completedCraftingStackRequests.find { it.stack.equalsIgnoringAmount(packet.stack) }
         if (craftingReq != null) {
             var remaining = packet.stack.copy()
 
             for (i in 0 until craftingInv.size()) {
                 val currentStack = craftingInv.getStack(i)
                 if (currentStack.count >= currentStack.maxCount) continue
-				if (!ItemStackUtil.areEqualIgnoreAmounts(currentStack, remaining)) continue
+                if (!currentStack.equalsIgnoringAmount(remaining)) continue
 
-				val toInsert = minOf(remaining.count, currentStack.maxCount - currentStack.count, craftingReq.amountPerSlot[i])
-				currentStack.count += toInsert
-				remaining.count -= toInsert
-				craftingReq.amountPerSlot[i] -= toInsert
-				craftingReq.received += toInsert
+                currentStack.count += 1
+                remaining.count -= 1
+
+                craftingReq.slots = craftingReq.slots and (1 shl i).inv()
+                craftingReq.received += 1
 
                 if (remaining.isEmpty) {
                     break
                 }
             }
 
-			if (craftingReq.amountPerSlot.sum() == 0 || craftingReq.received >= craftingReq.totalResultAmount) {
+            // if slots == 0, there are no more slots needing items for this request
+            if (craftingReq.slots == 0 || craftingReq.received >= craftingReq.totalResultAmount) {
                 completedCraftingStackRequests.remove(craftingReq)
             }
 
@@ -130,7 +136,10 @@ class CraftingTerminalBlockEntity(pos: BlockPos, state: BlockState): AbstractTer
         stack: ItemStack,
         amount: Int,
         timestamp: Long,
-		val amountPerSlot: IntArray,
+        /**
+         * Values are bitfields of which slots in the crafting inventory this request is for.
+         */
+        var slots: Int,
     ) : StackLocateRequest(stack, amount, timestamp) {
         var received: Int = 0
     }

src/main/kotlin/net/shadowfacts/phycon/block/terminal/CraftingTerminalScreenHandler.kt

@@ -23,7 +23,12 @@ class CraftingTerminalScreenHandler(
     syncId: Int,
     playerInv: PlayerInventory,
     terminal: CraftingTerminalBlockEntity,
-): AbstractTerminalScreenHandler<CraftingTerminalBlockEntity>(PhyScreens.CRAFTING_TERMINAL, syncId, playerInv, terminal) {
+) : AbstractTerminalScreenHandler<CraftingTerminalBlockEntity>(
+    PhyScreens.CRAFTING_TERMINAL,
+    syncId,
+    playerInv,
+    terminal
+) {
 
     val craftingInv = CraftingInv(this)
     val result = CraftingResultInventory()
@@ -73,7 +78,14 @@ class CraftingTerminalScreenHandler(
                     ItemStack.EMPTY
                 }
             result.setStack(0, resultStack)
-			player.networkHandler.sendPacket(ScreenHandlerSlotUpdateS2CPacket(syncId, nextRevision(), resultSlot.id, resultStack))
+            player.networkHandler.sendPacket(
+                ScreenHandlerSlotUpdateS2CPacket(
+                    syncId,
+                    nextRevision(),
+                    resultSlot.id,
+                    resultStack
+                )
+            )
         }
     }
 

src/main/kotlin/net/shadowfacts/phycon/block/terminal/CraftingTerminalViewController.kt

@@ -84,7 +84,12 @@ class CraftingTerminalViewController(
     }
 
     private fun clearPressed(button: Button) {
-		MinecraftClient.getInstance().player!!.networkHandler.sendPacket(C2STerminalCraftingButton(terminal, C2STerminalCraftingButton.Action.CLEAR_GRID))
+        MinecraftClient.getInstance().player!!.networkHandler.sendPacket(
+            C2STerminalCraftingButton(
+                terminal,
+                C2STerminalCraftingButton.Action.CLEAR_GRID
+            )
+        )
     }
 
     private fun plusPressed(button: Button) {

src/main/kotlin/net/shadowfacts/phycon/block/terminal/TerminalBlockEntity.kt

@@ -10,12 +10,12 @@ import net.minecraft.server.network.ServerPlayerEntity
 import net.minecraft.text.TranslatableText
 import net.minecraft.util.math.BlockPos
 import net.shadowfacts.phycon.init.PhyBlockEntities
-import net.shadowfacts.phycon.packet.RequestInventoryPacket
 
 /**
  * @author shadowfacts
  */
-class TerminalBlockEntity(pos: BlockPos, state: BlockState): AbstractTerminalBlockEntity(PhyBlockEntities.TERMINAL, pos, state) {
+class TerminalBlockEntity(pos: BlockPos, state: BlockState) :
+    AbstractTerminalBlockEntity(PhyBlockEntities.TERMINAL, pos, state) {
 
     override fun onActivate(player: PlayerEntity) {
         super.onActivate(player)

src/main/kotlin/net/shadowfacts/phycon/block/terminal/TerminalBufferInventory.kt

@@ -1,10 +1,10 @@
 package net.shadowfacts.phycon.block.terminal
 
-import alexiil.mc.lib.attributes.item.ItemStackUtil
 import net.minecraft.inventory.SimpleInventory
 import net.minecraft.item.ItemStack
 import net.minecraft.nbt.NbtCompound
 import net.minecraft.nbt.NbtIntArray
+import net.shadowfacts.phycon.util.equalsIgnoringAmount
 import net.shadowfacts.phycon.util.fromTag
 import net.shadowfacts.phycon.util.toTag
 import kotlin.math.min
@@ -54,7 +54,7 @@ class TerminalBufferInventory(size: Int): SimpleInventory(size) {
             setStack(slot, stack)
             markSlot(slot, mode)
             return ItemStack.EMPTY
-		} else if (ItemStackUtil.areEqualIgnoreAmounts(stack, current)) {
+        } else if (stack.equalsIgnoringAmount(current)) {
             val toTransfer = min(current.maxCount - current.count, stack.count)
             current.count += toTransfer
             stack.count -= toTransfer

src/main/kotlin/net/shadowfacts/phycon/block/terminal/TerminalRequestAmountViewController.kt

@@ -24,7 +24,8 @@ class TerminalRequestAmountViewController(
 ) : ViewController() {
 
     companion object {
-		private val BACKGROUND = Texture(Identifier(PhysicalConnectivity.MODID, "textures/gui/terminal_amount.png"), 0, 0)
+        private val BACKGROUND =
+            Texture(Identifier(PhysicalConnectivity.MODID, "textures/gui/terminal_amount.png"), 0, 0)
     }
 
     lateinit var field: NumberField

src/main/kotlin/net/shadowfacts/phycon/client/model/ColoredCableModel.kt

@@ -86,7 +86,12 @@ class ColoredCableModel(
         rotationContainer: ModelBakeSettings,
         modelId: Identifier
     ): BakedModel {
-		centerSprite = textureGetter.apply(SpriteIdentifier(PlayerScreenHandler.BLOCK_ATLAS_TEXTURE, Identifier(PhysicalConnectivity.MODID, "block/cable/${color.getName()}/straight")))
+        centerSprite = textureGetter.apply(
+            SpriteIdentifier(
+                PlayerScreenHandler.BLOCK_ATLAS_TEXTURE,
+                Identifier(PhysicalConnectivity.MODID, "block/cable/${color.getName()}/straight")
+            )
+        )
 
         sideRotations.forEach { (side, rot) ->
             this.side[side.ordinal] = loader.bakeRecoloredCable(SIDE, rot, textureGetter, color)

src/main/kotlin/net/shadowfacts/phycon/client/model/FaceDeviceModel.kt

@@ -23,6 +23,7 @@ abstract class FaceDeviceModel: UnbakedModel, BakedModel {
     private val interfaceCableCornerID = Identifier(PhysicalConnectivity.MODID, "block/interface_cable_corner")
     private val interfaceCableCorner2ID = Identifier(PhysicalConnectivity.MODID, "block/interface_cable_corner_2")
     private val interfaceCableCapID = Identifier(PhysicalConnectivity.MODID, "block/interface_cable_cap")
+
     //	private var interfaceCableStraight = Array<BakedModel?>(6) { null }
 //	private var interfaceCableCap = Array<BakedModel?>(6) { null }
 //	private var interfaceCableCorner = mutableMapOf<ModelRotation, BakedModel>()
@@ -65,7 +66,8 @@ abstract class FaceDeviceModel: UnbakedModel, BakedModel {
             for (tex in depTextures) {
                 if (tex.textureId.namespace == PhysicalConnectivity.MODID && tex.textureId.path.startsWith("block/cable/color/")) {
                     for (color in DyeColor.values()) {
-						val newPath = tex.textureId.path.replace("block/cable/color/", "block/cable/${color.getName()}/")
+                        val newPath =
+                            tex.textureId.path.replace("block/cable/color/", "block/cable/${color.getName()}/")
                         val substituted = SpriteIdentifier(tex.atlasId, Identifier(PhysicalConnectivity.MODID, newPath))
                         textures.add(substituted)
                     }
@@ -77,7 +79,12 @@ abstract class FaceDeviceModel: UnbakedModel, BakedModel {
         return textures
     }
 
-	override fun bake(loader: ModelLoader, textureGetter: Function<SpriteIdentifier, Sprite>, rotationContainer: ModelBakeSettings, modelId: Identifier): BakedModel {
+    override fun bake(
+        loader: ModelLoader,
+        textureGetter: Function<SpriteIdentifier, Sprite>,
+        rotationContainer: ModelBakeSettings,
+        modelId: Identifier
+    ): BakedModel {
         bakeSideModels(loader, textureGetter)
 
         DyeColor.values().forEach { color ->
@@ -132,6 +139,7 @@ abstract class FaceDeviceModel: UnbakedModel, BakedModel {
                     FaceCableConnection.WEST -> interfaceCableCorner[color]!![ModelRotation.X0_Y270]
                     else -> null
                 }
+
                 Direction.UP -> when (connection) {
                     FaceCableConnection.NORTH -> interfaceCableCorner[color]!![ModelRotation.X180_Y180]
                     FaceCableConnection.EAST -> interfaceCableCorner[color]!![ModelRotation.X180_Y270]
@@ -139,6 +147,7 @@ abstract class FaceDeviceModel: UnbakedModel, BakedModel {
                     FaceCableConnection.WEST -> interfaceCableCorner[color]!![ModelRotation.X180_Y90]
                     else -> null
                 }
+
                 Direction.NORTH -> when (connection) {
                     FaceCableConnection.UP -> interfaceCableCorner[color]!![ModelRotation.X270_Y0]
                     FaceCableConnection.EAST -> interfaceCableCorner2[color]!![ModelRotation.X180_Y180]
@@ -146,6 +155,7 @@ abstract class FaceDeviceModel: UnbakedModel, BakedModel {
                     FaceCableConnection.WEST -> interfaceCableCorner2[color]!![ModelRotation.X0_Y0]
                     else -> null
                 }
+
                 Direction.SOUTH -> when (connection) {
                     FaceCableConnection.UP -> interfaceCableCorner[color]!![ModelRotation.X270_Y180]
                     FaceCableConnection.WEST -> interfaceCableCorner2[color]!![ModelRotation.X180_Y0]
@@ -153,6 +163,7 @@ abstract class FaceDeviceModel: UnbakedModel, BakedModel {
                     FaceCableConnection.EAST -> interfaceCableCorner2[color]!![ModelRotation.X0_Y180]
                     else -> null
                 }
+
                 Direction.WEST -> when (connection) {
                     FaceCableConnection.UP -> interfaceCableCorner[color]!![ModelRotation.X270_Y270]
                     FaceCableConnection.NORTH -> interfaceCableCorner2[color]!![ModelRotation.X180_Y90]
@@ -160,6 +171,7 @@ abstract class FaceDeviceModel: UnbakedModel, BakedModel {
                     FaceCableConnection.SOUTH -> interfaceCableCorner2[color]!![ModelRotation.X0_Y270]
                     else -> null
                 }
+
                 Direction.EAST -> when (connection) {
                     FaceCableConnection.UP -> interfaceCableCorner[color]!![ModelRotation.X270_Y90]
                     FaceCableConnection.SOUTH -> interfaceCableCorner2[color]!![ModelRotation.X180_Y270]
@@ -167,6 +179,7 @@ abstract class FaceDeviceModel: UnbakedModel, BakedModel {
                     FaceCableConnection.NORTH -> interfaceCableCorner2[color]!![ModelRotation.X0_Y90]
                     else -> null
                 }
+
                 else -> null
             }
             model?.getQuads(state, face, random) ?: listOf()

src/main/kotlin/net/shadowfacts/phycon/client/model/ScreenDeviceModel.kt

@@ -33,7 +33,10 @@ class ScreenDeviceModel(
 ) : UnbakedModel, BakedModel, FabricBakedModel {
 
     companion object {
-		private val CASING = SpriteIdentifier(PlayerScreenHandler.BLOCK_ATLAS_TEXTURE, Identifier(PhysicalConnectivity.MODID, "block/casing"))
+        private val CASING = SpriteIdentifier(
+            PlayerScreenHandler.BLOCK_ATLAS_TEXTURE,
+            Identifier(PhysicalConnectivity.MODID, "block/casing")
+        )
     }
 
     private val screenTexture = SpriteIdentifier(PlayerScreenHandler.BLOCK_ATLAS_TEXTURE, screenTexture)

src/main/kotlin/net/shadowfacts/phycon/client/screen/console/DeviceConsoleScreen.kt

@@ -40,65 +40,79 @@ class DeviceConsoleScreen(
             )
         )
         if (device is ActivationController.ActivatableDevice) {
-			tabs.add(TabViewController.SimpleTab(
+            tabs.add(
+                TabViewController.SimpleTab(
                     TextureView(Texture(Identifier("textures/item/ender_pearl.png"), 0, 0, 16, 16)).apply {
                         intrinsicContentSize = Size(16.0, 16.0)
                     },
                     TranslatableText("gui.phycon.console.remote"),
                     ActivatableDeviceViewController(device),
                     device::canConfigureActivationController
-			))
+                )
+            )
         }
         if (device is RedstoneControllerBlockEntity) {
-			tabs.add(TabViewController.SimpleTab(
+            tabs.add(
+                TabViewController.SimpleTab(
                     TextureView(Texture(Identifier("textures/block/redstone_torch.png"), 0, 0, 16, 16)).apply {
                         intrinsicContentSize = Size(16.0, 16.0)
                     },
                     TranslatableText("block.phycon.redstone_controller"),
                     RedstoneControllerViewController(device)
-			))
+                )
+            )
         }
         if (device is MinerBlockEntity) {
-			tabs.add(TabViewController.SimpleTab(
+            tabs.add(
+                TabViewController.SimpleTab(
                     TextureView(Texture(Identifier("textures/item/diamond_pickaxe.png"), 0, 0, 16, 16)).apply {
                         intrinsicContentSize = Size(16.0, 16.0)
                     },
                     TranslatableText("block.phycon.miner"),
                     MinerViewController(device)
-			))
+                )
+            )
         }
         if (device is NetworkStackProvider) {
-			tabs.add(TabViewController.SimpleTab(
+            tabs.add(
+                TabViewController.SimpleTab(
                     Label("P").apply { textColor = Color.TEXT },
                     TranslatableText("gui.phycon.console.provider"),
                     ProviderViewController(device),
                     device::canConfigureProviderPriority
-			))
+                )
+            )
         }
         if (device is NetworkStackReceiver) {
-			tabs.add(TabViewController.SimpleTab(
+            tabs.add(
+                TabViewController.SimpleTab(
                     Label("R").apply { textColor = Color.TEXT },
                     TranslatableText("gui.phycon.console.receiver"),
                     ReceiverViewController(device),
-			))
+                )
+            )
         }
         if (device is RedstoneEmitterBlockEntity) {
-			tabs.add(TabViewController.SimpleTab(
+            tabs.add(
+                TabViewController.SimpleTab(
                     TextureView(Texture(Identifier("textures/item/redstone.png"), 0, 0, 16, 16)).apply {
                         intrinsicContentSize = Size(16.0, 16.0)
                     },
                     TranslatableText("block.phycon.redstone_emitter"),
                     RedstoneEmitterViewController(device)
-			))
+                )
+            )
         }
         if (device is P2PReceiverBlockEntity) {
-			tabs.add(TabViewController.SimpleTab(
+            tabs.add(
+                TabViewController.SimpleTab(
                     TextureView(Texture(Identifier("textures/item/ender_pearl.png"), 0, 0, 16, 16)).apply {
                         intrinsicContentSize = Size(16.0, 16.0)
                     },
                     TranslatableText("block.phycon.p2p_receiver"),
                     P2PReceiverViewController(device)
-			))
+                )
+            )
         }
 
         tabController = TabViewController(tabs)

src/main/kotlin/net/shadowfacts/phycon/component/NetworkStackDispatcher.kt

@@ -1,6 +1,5 @@
 package net.shadowfacts.phycon.component
 
-import alexiil.mc.lib.attributes.item.ItemStackUtil
 import net.minecraft.block.entity.BlockEntity
 import net.minecraft.item.ItemStack
 import net.shadowfacts.phycon.api.util.IPAddress
@@ -8,12 +7,15 @@ import net.shadowfacts.phycon.packet.CapacityPacket
 import net.shadowfacts.phycon.packet.CheckCapacityPacket
 import net.shadowfacts.phycon.packet.ItemStackPacket
 import net.shadowfacts.phycon.util.copyWithCount
+import net.shadowfacts.phycon.util.equalsIgnoringAmount
 import kotlin.math.min
 
 /**
  * @author shadowfacts
  */
-interface NetworkStackDispatcher<Insertion: NetworkStackDispatcher.PendingInsertion<Insertion>>: ItemStackPacketHandler {
+// TODO: use Transfer API transactions for this
+interface NetworkStackDispatcher<Insertion : NetworkStackDispatcher.PendingInsertion<Insertion>> :
+    ItemStackPacketHandler {
 
     val counter: Long
     val dispatchStackTimeout: Long
@@ -30,7 +32,7 @@ interface NetworkStackDispatcher<Insertion: NetworkStackDispatcher.PendingInsert
 
     fun handleCapacity(packet: CapacityPacket) {
         pendingInsertions.firstOrNull { insertion ->
-			ItemStackUtil.areEqualIgnoreAmounts(packet.stack, insertion.stack) &&
+            packet.stack.equalsIgnoringAmount(insertion.stack) &&
                     insertion.results.none { it.second.ipAddress == packet.source }
         }?.also { insertion ->
             insertion.results.add(packet.capacity to packet.stackReceiver)

src/main/kotlin/net/shadowfacts/phycon/init/PhyScreens.kt

@@ -1,8 +1,14 @@
 package net.shadowfacts.phycon.init
 
+import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerType
+import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerType.ExtendedFactory
 import net.fabricmc.fabric.api.screenhandler.v1.ScreenHandlerRegistry
+import net.minecraft.screen.ScreenHandler
 import net.minecraft.screen.ScreenHandlerType
+import net.minecraft.util.Identifier
+import net.minecraft.util.registry.Registry
 import net.shadowfacts.phycon.block.inserter.InserterScreenHandler
+import net.shadowfacts.phycon.block.netswitch.SwitchConsoleScreenHandler
 import net.shadowfacts.phycon.block.redstone_emitter.RedstoneEmitterScreenHandler
 import net.shadowfacts.phycon.block.terminal.CraftingTerminalBlock
 import net.shadowfacts.phycon.block.terminal.CraftingTerminalScreenHandler
@@ -19,12 +25,19 @@ object PhyScreens {
         private set
     lateinit var REDSTONE_EMITTER: ScreenHandlerType<RedstoneEmitterScreenHandler>
         private set
+    lateinit var SWITCH_CONSOLE: ScreenHandlerType<SwitchConsoleScreenHandler>
+        private set
 
     fun init() {
-		TERMINAL = ScreenHandlerRegistry.registerExtended(TerminalBlock.ID, ::TerminalScreenHandler)
-		CRAFTING_TERMINAL = ScreenHandlerRegistry.registerExtended(CraftingTerminalBlock.ID, ::CraftingTerminalScreenHandler)
-		INSERTER = ScreenHandlerRegistry.registerExtended(InserterScreenHandler.ID, ::InserterScreenHandler)
-		REDSTONE_EMITTER = ScreenHandlerRegistry.registerExtended(RedstoneEmitterScreenHandler.ID, ::RedstoneEmitterScreenHandler)
+        TERMINAL = register(TerminalBlock.ID, ::TerminalScreenHandler)
+        CRAFTING_TERMINAL = register(CraftingTerminalBlock.ID, ::CraftingTerminalScreenHandler)
+        INSERTER = register(InserterScreenHandler.ID, ::InserterScreenHandler)
+        REDSTONE_EMITTER = register(RedstoneEmitterScreenHandler.ID, ::RedstoneEmitterScreenHandler)
+        SWITCH_CONSOLE = register(SwitchConsoleScreenHandler.ID, ::SwitchConsoleScreenHandler)
+    }
+
+    fun <T : ScreenHandler> register(id: Identifier, factory: ExtendedFactory<T>): ScreenHandlerType<T> {
+        return Registry.register(Registry.SCREEN_HANDLER, id, ExtendedScreenHandlerType(factory))
     }
 
 }

src/main/kotlin/net/shadowfacts/phycon/item/ConsoleItem.kt

@@ -1,14 +1,25 @@
 package net.shadowfacts.phycon.item
 
+import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerFactory
 import net.minecraft.client.MinecraftClient
+import net.minecraft.entity.player.PlayerEntity
+import net.minecraft.entity.player.PlayerInventory
 import net.minecraft.item.Item
 import net.minecraft.item.ItemUsageContext
+import net.minecraft.network.PacketByteBuf
+import net.minecraft.screen.ScreenHandler
+import net.minecraft.server.network.ServerPlayerEntity
+import net.minecraft.text.Text
 import net.minecraft.util.ActionResult
 import net.minecraft.util.Identifier
 import net.shadowfacts.phycon.PhysicalConnectivity
 import net.shadowfacts.phycon.block.DeviceBlock
 import net.shadowfacts.phycon.block.DeviceBlockEntity
+import net.shadowfacts.phycon.block.netswitch.SwitchBlockEntity
 import net.shadowfacts.phycon.client.screen.console.DeviceConsoleScreen
+import net.shadowfacts.phycon.block.netswitch.SwitchConsoleScreen
+import net.shadowfacts.phycon.block.netswitch.SwitchConsoleScreenHandler
+import net.shadowfacts.phycon.init.PhyBlocks
 
 /**
  * @author shadowfacts
@@ -31,6 +42,14 @@ class ConsoleItem: Item(Settings().maxCount(1)) {
                 }
                 return ActionResult.SUCCESS
             }
+        } else if (block === PhyBlocks.SWITCH) {
+            val be = block.getBlockEntity(context.world, context.blockPos)
+            if (be != null) {
+                if (!context.world.isClient && context.player != null) {
+                    openScreen(be, context.player!!)
+                }
+                return ActionResult.SUCCESS
+            }
         }
         return ActionResult.PASS
     }
@@ -41,4 +60,19 @@ class ConsoleItem: Item(Settings().maxCount(1)) {
         MinecraftClient.getInstance().setScreen(screen)
     }
 
+    private fun openScreen(be: SwitchBlockEntity, player: PlayerEntity) {
+        val factory = object : ExtendedScreenHandlerFactory {
+            override fun createMenu(syncId: Int, playerInv: PlayerInventory, player: PlayerEntity): ScreenHandler {
+                return SwitchConsoleScreenHandler(syncId, be)
+            }
+
+            override fun getDisplayName() = PhyBlocks.SWITCH.name
+
+            override fun writeScreenOpeningData(player: ServerPlayerEntity, buf: PacketByteBuf) {
+                buf.writeBlockPos(be.pos)
+            }
+        }
+        player.openHandledScreen(factory)
+    }
+
 }

src/main/kotlin/net/shadowfacts/phycon/item/FaceDeviceBlockItem.kt

@@ -14,14 +14,18 @@ import kotlin.math.roundToInt
 /**
  * @author shadowfacts
  */
-class FaceDeviceBlockItem(block: FaceDeviceBlock<*>, settings: Settings = Settings()): DeviceBlockItem(block, settings) {
+class FaceDeviceBlockItem(block: FaceDeviceBlock<*>, settings: Settings = Settings()) :
+    DeviceBlockItem(block, settings) {
 
     override fun getPlacementState(context: ItemPlacementContext): BlockState? {
         val hitState = context.world.getBlockState(context.blockPos)
         val hitBlock = hitState.block
         if (hitBlock is CableBlock) {
             val hitBlockEdge = context.hitPos.getComponentAlongAxis(context.side.axis) % 1 == 0.0
-			val hitBlockBeingPlacedIn = floor(context.hitPos.getComponentAlongAxis(context.side.axis)).toInt() == context.blockPos.getComponentAlongAxis(context.side.axis)
+            val hitBlockBeingPlacedIn =
+                floor(context.hitPos.getComponentAlongAxis(context.side.axis)).toInt() == context.blockPos.getComponentAlongAxis(
+                    context.side.axis
+                )
 
             val placementSide: Direction =
                 if (hitBlockEdge xor hitBlockBeingPlacedIn) {

src/main/kotlin/net/shadowfacts/phycon/item/ScrewdriverItem.kt

@@ -42,14 +42,25 @@ class ScrewdriverItem: Item(Settings().maxCount(1)) {
 
         if (newState != null) {
             context.world.setBlockState(context.blockPos, newState)
-			context.world.playSound(context.player, context.blockPos, SoundEvents.BLOCK_METAL_PLACE, SoundCategory.BLOCKS, 0.8f, 0.65f)
+            context.world.playSound(
+                context.player,
+                context.blockPos,
+                SoundEvents.BLOCK_METAL_PLACE,
+                SoundCategory.BLOCKS,
+                0.8f,
+                0.65f
+            )
             return ActionResult.SUCCESS
         } else {
             return ActionResult.PASS
         }
     }
 
-	private fun screwdriverDeviceBlock(context: ItemUsageContext, state: BlockState, block: DeviceBlock<*>): BlockState? {
+    private fun screwdriverDeviceBlock(
+        context: ItemUsageContext,
+        state: BlockState,
+        block: DeviceBlock<*>
+    ): BlockState? {
         if (!context.world.isClient) {
             val be = block.getBlockEntity(context.world, context.blockPos)!!
 
@@ -66,7 +77,13 @@ class ScrewdriverItem: Item(Settings().maxCount(1)) {
                 beTag.remove("InternalBuffer")
             }
 
-			val entity = ItemEntity(context.world, context.blockPos.x.toDouble(), context.blockPos.y.toDouble(), context.blockPos.z.toDouble(), stack)
+            val entity = ItemEntity(
+                context.world,
+                context.blockPos.x.toDouble(),
+                context.blockPos.y.toDouble(),
+                context.blockPos.z.toDouble(),
+                stack
+            )
             context.world.spawnEntity(entity)
         }
 
@@ -77,8 +94,16 @@ class ScrewdriverItem: Item(Settings().maxCount(1)) {
         }
     }
 
-	private fun screwdriverFaceDeviceBlock(context: ItemUsageContext, state: BlockState, block: FaceDeviceBlock<*>): BlockState? {
-		val hitInsideBlock = Vec3d(context.hitPos.x - context.blockPos.x, context.hitPos.y - context.blockPos.y, context.hitPos.z - context.blockPos.z)
+    private fun screwdriverFaceDeviceBlock(
+        context: ItemUsageContext,
+        state: BlockState,
+        block: FaceDeviceBlock<*>
+    ): BlockState? {
+        val hitInsideBlock = Vec3d(
+            context.hitPos.x - context.blockPos.x,
+            context.hitPos.y - context.blockPos.y,
+            context.hitPos.z - context.blockPos.z
+        )
         val faceShape = block.faceShapes[state[FaceDeviceBlock.FACING]]!!
         // if we hit the face part of block, leave the cable behind
         if (faceShape.boundingBox.containsInclusive(hitInsideBlock)) {
@@ -86,7 +111,13 @@ class ScrewdriverItem: Item(Settings().maxCount(1)) {
             return cableBlock.getInitialState(context.world, context.blockPos)
         } else {
             if (!context.world.isClient) {
-				val cable = ItemEntity(context.world, context.blockPos.x.toDouble(), context.blockPos.y.toDouble(), context.blockPos.z.toDouble(), ItemStack(state.block))
+                val cable = ItemEntity(
+                    context.world,
+                    context.blockPos.x.toDouble(),
+                    context.blockPos.y.toDouble(),
+                    context.blockPos.z.toDouble(),
+                    ItemStack(state.block)
+                )
                 context.world.spawnEntity(cable)
             }
             return Blocks.AIR.defaultState
@@ -95,7 +126,13 @@ class ScrewdriverItem: Item(Settings().maxCount(1)) {
 
     private fun screwdriverCableBlock(context: ItemUsageContext, state: BlockState): BlockState? {
         if (!context.world.isClient) {
-			val entity = ItemEntity(context.world, context.blockPos.x.toDouble(), context.blockPos.y.toDouble(), context.blockPos.z.toDouble(), ItemStack(state.block))
+            val entity = ItemEntity(
+                context.world,
+                context.blockPos.x.toDouble(),
+                context.blockPos.y.toDouble(),
+                context.blockPos.z.toDouble(),
+                ItemStack(state.block)
+            )
             context.world.spawnEntity(entity)
         }
         return Blocks.AIR.defaultState
@@ -103,7 +140,13 @@ class ScrewdriverItem: Item(Settings().maxCount(1)) {
 
     private fun screwdriverSwitchBlock(context: ItemUsageContext): BlockState? {
         if (!context.world.isClient) {
-			val entity = ItemEntity(context.world, context.blockPos.x.toDouble(), context.blockPos.y.toDouble(), context.blockPos.z.toDouble(), ItemStack(PhyBlocks.SWITCH))
+            val entity = ItemEntity(
+                context.world,
+                context.blockPos.x.toDouble(),
+                context.blockPos.y.toDouble(),
+                context.blockPos.z.toDouble(),
+                ItemStack(PhyBlocks.SWITCH)
+            )
             context.world.spawnEntity(entity)
         }
         return Blocks.AIR.defaultState

src/main/kotlin/net/shadowfacts/phycon/networking/C2SConfigureDevice.kt

@@ -31,7 +31,13 @@ object C2SConfigureDevice: ServerReceiver {
         return createPacket(buf)
     }
 
-	override fun receive(server: MinecraftServer, player: ServerPlayerEntity, handler: ServerPlayNetworkHandler, buf: PacketByteBuf, responseSender: PacketSender) {
+    override fun receive(
+        server: MinecraftServer,
+        player: ServerPlayerEntity,
+        handler: ServerPlayNetworkHandler,
+        buf: PacketByteBuf,
+        responseSender: PacketSender
+    ) {
         val dimID = buf.readIdentifier()
         val pos = buf.readBlockPos()
         val tag = buf.readNbt() ?: return

src/main/kotlin/net/shadowfacts/phycon/networking/C2STerminalCraftingButton.kt

@@ -36,7 +36,13 @@ object C2STerminalCraftingButton: ServerReceiver {
         return createPacket(buf)
     }
 
-	override fun receive(server: MinecraftServer, player: ServerPlayerEntity, handler: ServerPlayNetworkHandler, buf: PacketByteBuf, responseSender: PacketSender) {
+    override fun receive(
+        server: MinecraftServer,
+        player: ServerPlayerEntity,
+        handler: ServerPlayNetworkHandler,
+        buf: PacketByteBuf,
+        responseSender: PacketSender
+    ) {
         val dimID = buf.readIdentifier()
         val pos = buf.readBlockPos()
         val action = Action.values()[buf.readByte().toInt()]

src/main/kotlin/net/shadowfacts/phycon/networking/C2STerminalRequestItem.kt

@@ -38,7 +38,13 @@ object C2STerminalRequestItem: ServerReceiver {
         return ClientPlayNetworking.createC2SPacket(CHANNEL, buf)
     }
 
-	override fun receive(server: MinecraftServer, player: ServerPlayerEntity, handler: ServerPlayNetworkHandler, buf: PacketByteBuf, responseSender: PacketSender) {
+    override fun receive(
+        server: MinecraftServer,
+        player: ServerPlayerEntity,
+        handler: ServerPlayNetworkHandler,
+        buf: PacketByteBuf,
+        responseSender: PacketSender
+    ) {
         val dimID = buf.readIdentifier()
         val pos = buf.readBlockPos()
         val stack = buf.readItemStackWithoutCount()

src/main/kotlin/net/shadowfacts/phycon/networking/C2STerminalUpdateDisplayedItems.kt

@@ -35,7 +35,13 @@ object C2STerminalUpdateDisplayedItems: ServerReceiver {
         return ClientPlayNetworking.createC2SPacket(CHANNEL, buf)
     }
 
-	override fun receive(server: MinecraftServer, player: ServerPlayerEntity, handler: ServerPlayNetworkHandler, buf: PacketByteBuf, responseSender: PacketSender) {
+    override fun receive(
+        server: MinecraftServer,
+        player: ServerPlayerEntity,
+        handler: ServerPlayNetworkHandler,
+        buf: PacketByteBuf,
+        responseSender: PacketSender
+    ) {
         val dimID = buf.readIdentifier()
         val pos = buf.readBlockPos()
         val query = buf.readString()

src/main/kotlin/net/shadowfacts/phycon/networking/S2CTerminalUpdateDisplayedItems.kt

@@ -10,9 +10,7 @@ import net.minecraft.network.PacketByteBuf
 import net.shadowfacts.phycon.PhysicalConnectivityClient
 import net.shadowfacts.phycon.block.terminal.AbstractTerminalBlockEntity
 import net.shadowfacts.phycon.block.terminal.AbstractTerminalScreenHandler
-import net.shadowfacts.phycon.util.TerminalSettings
-import net.shadowfacts.phycon.util.readItemStackWithoutCount
-import net.shadowfacts.phycon.util.writeItemStackWithoutCount
+import net.shadowfacts.phycon.util.*
 
 /**
  * @author shadowfacts
@@ -20,7 +18,14 @@ import net.shadowfacts.phycon.util.writeItemStackWithoutCount
 object S2CTerminalUpdateDisplayedItems : ClientReceiver {
     override val CHANNEL = C2STerminalUpdateDisplayedItems.CHANNEL
 
-	operator fun invoke(terminal: AbstractTerminalBlockEntity, entries: List<AbstractTerminalScreenHandler.Entry>, query: String, settings: TerminalSettings, scrollPosition: Float, totalEntries: Int): Packet<*> {
+    operator fun invoke(
+        terminal: AbstractTerminalBlockEntity,
+        entries: List<AbstractTerminalScreenHandler.Entry>,
+        query: String,
+        settings: TerminalSettings,
+        scrollPosition: Float,
+        totalEntries: Int
+    ): Packet<*> {
         val buf = PacketByteBufs.create()
 
         buf.writeIdentifier(terminal.world!!.registryKey.value)
@@ -28,7 +33,7 @@ object S2CTerminalUpdateDisplayedItems: ClientReceiver {
 
         buf.writeVarInt(entries.size)
         for (e in entries) {
-			buf.writeItemStackWithoutCount(e.stack)
+            buf.writeItemVariant(e.variant)
             buf.writeVarInt(e.amount)
         }
 
@@ -40,13 +45,18 @@ object S2CTerminalUpdateDisplayedItems: ClientReceiver {
         return ServerPlayNetworking.createS2CPacket(CHANNEL, buf)
     }
 
-	override fun receive(client: MinecraftClient, handler: ClientPlayNetworkHandler, buf: PacketByteBuf, responseSender: PacketSender) {
+    override fun receive(
+        client: MinecraftClient,
+        handler: ClientPlayNetworkHandler,
+        buf: PacketByteBuf,
+        responseSender: PacketSender
+    ) {
         val dimID = buf.readIdentifier()
         val pos = buf.readBlockPos()
         val entryCount = buf.readVarInt()
         val entries = ArrayList<AbstractTerminalScreenHandler.Entry>(entryCount)
         for (i in 0 until entryCount) {
-			entries.add(AbstractTerminalScreenHandler.Entry(buf.readItemStackWithoutCount(), buf.readVarInt()))
+            entries.add(AbstractTerminalScreenHandler.Entry(buf.readItemVariant(), buf.readVarInt()))
         }
         val query = buf.readString()
         PhysicalConnectivityClient.terminalSettings.fromTag(buf.readNbt()!!)

src/main/kotlin/net/shadowfacts/phycon/packet/CheckCapacityPacket.kt

@@ -6,5 +6,6 @@ import net.shadowfacts.phycon.api.util.IPAddress
 /**
  * @author shadowfacts
  */
-class CheckCapacityPacket(val stack: ItemStack, source: IPAddress, destination: IPAddress): BasePacket(source, destination) {
+class CheckCapacityPacket(val stack: ItemStack, source: IPAddress, destination: IPAddress) :
+    BasePacket(source, destination) {
 }

src/main/kotlin/net/shadowfacts/phycon/packet/DeviceRemovedPacket.kt

@@ -6,6 +6,7 @@ import net.shadowfacts.phycon.block.DeviceBlockEntity
 /**
  * @author shadowfacts
  */
-class DeviceRemovedPacket(source: IPAddress, destination: IPAddress = IPAddress.BROADCAST): BasePacket(source, destination) {
+class DeviceRemovedPacket(source: IPAddress, destination: IPAddress = IPAddress.BROADCAST) :
+    BasePacket(source, destination) {
     constructor(device: DeviceBlockEntity) : this(device.ipAddress)
 }

src/main/kotlin/net/shadowfacts/phycon/packet/ExtractStackPacket.kt

@@ -6,5 +6,6 @@ import net.shadowfacts.phycon.api.util.IPAddress
 /**
  * @author shadowfacts
  */
-class ExtractStackPacket(val stack: ItemStack, val amount: Int, source: IPAddress, destination: IPAddress): BasePacket(source, destination) {
+class ExtractStackPacket(val stack: ItemStack, val amount: Int, source: IPAddress, destination: IPAddress) :
+    BasePacket(source, destination) {
 }

src/main/kotlin/net/shadowfacts/phycon/packet/ItemStackPacket.kt

@@ -6,6 +6,7 @@ import net.shadowfacts.phycon.api.util.IPAddress
 /**
  * @author shadowfacts
  */
-class ItemStackPacket(val stack: ItemStack, val bounceCount: Int, source: IPAddress, destination: IPAddress): BasePacket(source, destination) {
+class ItemStackPacket(val stack: ItemStack, val bounceCount: Int, source: IPAddress, destination: IPAddress) :
+    BasePacket(source, destination) {
     constructor(stack: ItemStack, source: IPAddress, destination: IPAddress) : this(stack, 0, source, destination)
 }

src/main/kotlin/net/shadowfacts/phycon/packet/LocateStackPacket.kt

@@ -6,5 +6,6 @@ import net.shadowfacts.phycon.api.util.IPAddress
 /**
  * @author shadowfacts
  */
-class LocateStackPacket(val stack: ItemStack, source: IPAddress, destination: IPAddress = IPAddress.BROADCAST): BasePacket(source, destination) {
+class LocateStackPacket(val stack: ItemStack, source: IPAddress, destination: IPAddress = IPAddress.BROADCAST) :
+    BasePacket(source, destination) {
 }

src/main/kotlin/net/shadowfacts/phycon/packet/ReadGroupedInventoryPacket.kt

@@ -1,13 +0,0 @@
-package net.shadowfacts.phycon.packet
-
-import alexiil.mc.lib.attributes.item.GroupedItemInvView
-import net.shadowfacts.phycon.api.util.IPAddress
-
-/**
- * @author shadowfacts
- */
-class ReadGroupedInventoryPacket(
-	val inventory: GroupedItemInvView,
-	source: IPAddress,
-	destination: IPAddress
-): BasePacket(source, destination)

src/main/kotlin/net/shadowfacts/phycon/packet/RemoteActivationPacket.kt

@@ -5,7 +5,8 @@ import net.shadowfacts.phycon.api.util.IPAddress
 /**
  * @author shadowfacts
  */
-class RemoteActivationPacket(val mode: Mode, source: IPAddress, destination: IPAddress): BasePacket(source, destination) {
+class RemoteActivationPacket(val mode: Mode, source: IPAddress, destination: IPAddress) :
+    BasePacket(source, destination) {
     enum class Mode {
         SINGLE,
         ENABLE,

src/main/kotlin/net/shadowfacts/phycon/util/BasicInventoryExtensions.kt

@@ -1,6 +1,5 @@
 package net.shadowfacts.phycon.util
 
-import alexiil.mc.lib.attributes.item.ItemStackUtil
 import net.minecraft.inventory.SimpleInventory
 import net.minecraft.item.ItemStack
 import net.minecraft.nbt.NbtCompound
@@ -45,7 +44,7 @@ fun SimpleInventory.insert(stack: ItemStack, slot: Int): ItemStack {
     if (current.isEmpty) {
         setStack(slot, stack)
         return ItemStack.EMPTY
-	} else if (ItemStackUtil.areEqualIgnoreAmounts(stack, current)) {
+    } else if (stack.equalsIgnoringAmount(current)) {
         val toTransfer = min(current.maxCount - current.count, stack.count)
         current.count += toTransfer
         stack.count -= toTransfer

src/main/kotlin/net/shadowfacts/phycon/util/Either.kt

@@ -0,0 +1,10 @@
+package net.shadowfacts.phycon.util
+
+/**
+ * @author shadowfacts
+ */
+sealed class Either<Left, Right> {
+    class Left<Left, Right>(val left: Left) : Either<Left, Right>()
+
+    class Right<Left, Right>(val right: Right) : Either<Left, Right>()
+}

src/main/kotlin/net/shadowfacts/phycon/util/IntRingBuffer.kt

@@ -0,0 +1,69 @@
+package net.shadowfacts.phycon.util
+
+import kotlin.math.min
+
+/**
+ * @author shadowfacts
+ */
+class IntRingBuffer(size: Int) : Iterable<Int> {
+    private val array = IntArray(size)
+    private var next = 0
+    private var wrapped = false
+
+    val size: Int
+        get() = if (wrapped) array.size else next
+
+    fun add(value: Int) {
+        array[next] = value
+        next = (next + 1) % array.size
+        wrapped = wrapped || next == 0
+    }
+
+    fun asContiguousArray(): IntArray {
+        if (wrapped) {
+            val array = IntArray(array.size)
+            this.array.copyInto(array, destinationOffset = array.size - next, startIndex = 0, endIndex = next)
+            this.array.copyInto(array, destinationOffset = 0, startIndex = next, endIndex = array.size)
+            return array
+        } else {
+            return this.array.copyOfRange(0, next)
+        }
+    }
+
+    fun replace(array: IntArray) {
+        val count = min(array.size, this.array.size)
+        array.copyInto(this.array, destinationOffset = 0, startIndex = array.size - count, endIndex = count)
+        next = (count + 1) % this.array.size
+        wrapped = array.size >= this.array.size
+    }
+
+    fun clear() {
+        next = 0
+        wrapped = false
+    }
+
+    override fun iterator() = Iterator(this)
+
+    class Iterator(private val ringBuffer: IntRingBuffer) : IntIterator() {
+        private var nextIndex = if (ringBuffer.wrapped) ringBuffer.next else 0
+        private var wrapped = false
+
+        override fun nextInt(): Int {
+            val res = ringBuffer.array[nextIndex]
+            nextIndex += 1
+            if (nextIndex >= ringBuffer.array.size) {
+                wrapped = true
+                nextIndex = 0
+            }
+            return res
+        }
+
+        override fun hasNext(): Boolean {
+            return if (ringBuffer.wrapped) {
+                !wrapped || nextIndex < ringBuffer.next
+            } else {
+                nextIndex < ringBuffer.next
+            }
+        }
+    }
+}

src/main/kotlin/net/shadowfacts/phycon/util/ItemStack.kt

@@ -1,10 +0,0 @@
-package net.shadowfacts.phycon.util
-
-import net.minecraft.item.ItemStack
-
-/**
- * @author shadowfacts
- */
-fun ItemStack.copyWithCount(count: Int): ItemStack {
-	return copy().also { it.count = count }
-}

src/main/kotlin/net/shadowfacts/phycon/util/ItemStackUtils.kt

@@ -0,0 +1,17 @@
+package net.shadowfacts.phycon.util
+
+import net.minecraft.item.ItemStack
+
+/**
+ * @author shadowfacts
+ */
+
+fun ItemStack.copyWithCount(count: Int): ItemStack {
+    return copy().also { it.count = count }
+}
+
+fun ItemStack.equalsIgnoringAmount(other: ItemStack): Boolean {
+    if (this.isEmpty) return other.isEmpty
+    if (other.isEmpty) return false
+    return this.item === other.item &&  this.nbt == other.nbt;
+}

src/main/kotlin/net/shadowfacts/phycon/util/ItemVariantUtils.kt

@@ -0,0 +1,18 @@
+package net.shadowfacts.phycon.util
+
+import net.fabricmc.fabric.api.transfer.v1.item.ItemVariant
+import net.minecraft.item.ItemStack
+import net.minecraft.text.Text
+
+/**
+ * @author shadowfacts
+ */
+
+val ItemVariant.name: Text
+    get() {
+        // don't use toStack because that copies the NBT
+        // we assume that items don't mutate NBT in getName
+        val stack = ItemStack(this.item, 1)
+        stack.nbt = this.nbt
+        return item.getName(stack)
+    }

src/main/kotlin/net/shadowfacts/phycon/util/NetworkUtil.kt

@@ -37,6 +37,7 @@ object NetworkUtil {
         return null
     }
 
+    /*
     fun findDestinations(world: World, startPos: BlockPos, direction: Direction? = null): List<PacketSink> {
         val results = LinkedList<PacketSink>()
         val visited = hashSetOf(startPos)
@@ -62,8 +63,15 @@ object NetworkUtil {
 
         return results
     }
+     */
 
-	private fun findEdges(queue: MutableList<BlockPos>, visited: Set<BlockPos>, world: World, pos: BlockPos, includeNonCables: Boolean = false) {
+    private fun findEdges(
+        queue: MutableList<BlockPos>,
+        visited: Set<BlockPos>,
+        world: World,
+        pos: BlockPos,
+        includeNonCables: Boolean = false
+    ) {
         val state = world.getBlockState(pos)
         val block = state.block
         if (block is NetworkComponentBlock && (includeNonCables || block is NetworkCableBlock)) {

src/main/kotlin/net/shadowfacts/phycon/util/PacketByteBuf.kt

@@ -1,5 +1,6 @@
 package net.shadowfacts.phycon.util
 
+import net.fabricmc.fabric.api.transfer.v1.item.ItemVariant
 import net.minecraft.item.Item
 import net.minecraft.item.ItemStack
 import net.minecraft.nbt.NbtCompound
@@ -35,3 +36,11 @@ fun PacketByteBuf.readItemStackWithoutCount(): ItemStack {
         stack
     }
 }
+
+fun PacketByteBuf.writeItemVariant(variant: ItemVariant) {
+    variant.toPacket(this)
+}
+
+fun PacketByteBuf.readItemVariant(): ItemVariant {
+    return ItemVariant.fromPacket(this)
+}

src/test/kotlin/net/shadowfacts/phycon/util/IntRingBufferTests.kt

@@ -0,0 +1,48 @@
+package net.shadowfacts.phycon.util
+
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.Assertions.assertArrayEquals
+import org.junit.jupiter.api.Assertions.assertFalse
+import org.junit.jupiter.api.Assertions.assertEquals
+
+/**
+ * @author shadowfacts
+ */
+class IntRingBufferTests {
+
+    @Test
+    fun testEmpty() {
+        assertArrayEquals(intArrayOf(), IntRingBuffer(4).asContiguousArray())
+    }
+
+    @Test
+    fun testAsContiguousArray() {
+        val buffer = IntRingBuffer(4)
+        buffer.add(0)
+        buffer.add(1)
+        assertArrayEquals(intArrayOf(0, 1), buffer.asContiguousArray())
+
+        buffer.add(2)
+        buffer.add(3)
+        buffer.add(4)
+        assertArrayEquals(intArrayOf(1, 2, 3, 4), buffer.asContiguousArray())
+    }
+
+    @Test
+    fun testIterator() {
+        val buffer = IntRingBuffer(4)
+
+        val iterator = buffer.iterator()
+        assertFalse(iterator.hasNext())
+
+        buffer.add(0)
+        buffer.add(1)
+        assertEquals(listOf(0, 1), buffer.toList())
+
+        buffer.add(2)
+        buffer.add(3)
+        buffer.add(4)
+        assertEquals(listOf(1, 2, 3, 4), buffer.toList())
+    }
+
+}