Start adding terminal container and GUI

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

@@ -1,9 +1,17 @@
 package net.shadowfacts.phycon
 
 import net.fabricmc.api.ModInitializer
+import net.fabricmc.fabric.api.container.ContainerFactory
+import net.fabricmc.fabric.api.container.ContainerProviderRegistry
+import net.minecraft.container.Container
+import net.minecraft.entity.player.PlayerEntity
+import net.minecraft.util.Identifier
+import net.minecraft.util.PacketByteBuf
 import net.shadowfacts.phycon.init.PhyBlockEntities
 import net.shadowfacts.phycon.init.PhyBlocks
 import net.shadowfacts.phycon.init.PhyItems
+import net.shadowfacts.phycon.network.block.terminal.TerminalBlock
+import net.shadowfacts.phycon.network.block.terminal.TerminalContainer
 
 /**
  * @author shadowfacts
@@ -16,5 +24,13 @@ object PhysicalConnectivity: ModInitializer {
 		PhyBlocks.init()
 		PhyBlockEntities.init()
 		PhyItems.init()
+		ContainerProviderRegistry.INSTANCE.registerFactory(TerminalContainer.ID, ContainerFactory(::createTerminalContainer))
 	}
-}
+
+	private fun createTerminalContainer(syncId: Int, identifier: Identifier, player: PlayerEntity, buf: PacketByteBuf): Container {
+		val pos = buf.readBlockPos()
+		val terminalEntity = PhyBlocks.TERMINAL.getBlockEntity(player.world, pos)!!
+		return TerminalContainer(syncId, player.inventory, terminalEntity)
+	}
+
+}

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

@@ -0,0 +1,22 @@
+package net.shadowfacts.phycon
+
+import net.fabricmc.api.ClientModInitializer
+import net.fabricmc.fabric.api.client.screen.ContainerScreenFactory
+import net.fabricmc.fabric.api.client.screen.ScreenProviderRegistry
+import net.minecraft.client.MinecraftClient
+import net.minecraft.util.Identifier
+import net.shadowfacts.phycon.network.block.terminal.TerminalContainer
+import net.shadowfacts.phycon.network.block.terminal.TerminalScreen
+
+/**
+ * @author shadowfacts
+ */
+object PhysicalConnectivityClient: ClientModInitializer {
+	override fun onInitializeClient() {
+		ScreenProviderRegistry.INSTANCE.registerFactory(TerminalContainer.ID, ContainerScreenFactory(::createTerminalScreen))
+	}
+
+	fun createTerminalScreen(container: TerminalContainer): TerminalScreen {
+		return TerminalScreen(container, MinecraftClient.getInstance().player.inventory)
+	}
+}

src/main/kotlin/net/shadowfacts/phycon/network/block/terminal/TerminalBlock.kt

@@ -31,8 +31,8 @@ class TerminalBlock: BlockWithEntity<TerminalBlockEntity>(Settings.of(Material.M
 
 	override fun createBlockEntity(world: BlockView) = TerminalBlockEntity()
 
-	override fun activate(blockState_1: BlockState?, world_1: World?, blockPos_1: BlockPos?, playerEntity_1: PlayerEntity?, hand_1: Hand?, blockHitResult_1: BlockHitResult?): Boolean {
+	override fun activate(state: BlockState, world: World, pos: BlockPos, player: PlayerEntity, hand: Hand, hitResult: BlockHitResult): Boolean {
-		getBlockEntity(world_1!!, blockPos_1!!)!!.onActivate()
+		getBlockEntity(world, pos)!!.onActivate(player)
 		return true
 	}
 

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

@@ -2,7 +2,13 @@ package net.shadowfacts.phycon.network.block.terminal
 
 import alexiil.mc.lib.attributes.item.GroupedItemInv
 import alexiil.mc.lib.attributes.item.ItemStackCollections
+import net.fabricmc.fabric.api.container.ContainerProviderRegistry
+import net.minecraft.entity.player.PlayerEntity
+import net.minecraft.inventory.BasicInventory
+import net.minecraft.inventory.Inventory
+import net.minecraft.inventory.InventoryListener
 import net.minecraft.item.ItemStack
+import net.minecraft.nbt.CompoundTag
 import net.shadowfacts.phycon.api.packet.Packet
 import net.shadowfacts.phycon.api.util.MACAddress
 import net.shadowfacts.phycon.init.PhyBlockEntities
@@ -10,13 +16,20 @@ import net.shadowfacts.phycon.network.DeviceBlockEntity
 import net.shadowfacts.phycon.network.packet.DeviceRemovedPacket
 import net.shadowfacts.phycon.network.packet.ReadInventoryPacket
 import net.shadowfacts.phycon.network.packet.RequestInventoryPacket
+import net.shadowfacts.phycon.util.fromTag
+import net.shadowfacts.phycon.util.toTag
 
 /**
  * @author shadowfacts
  */
-class TerminalBlockEntity: DeviceBlockEntity(PhyBlockEntities.TERMINAL) {
+class TerminalBlockEntity: DeviceBlockEntity(PhyBlockEntities.TERMINAL), InventoryListener {
 
 	private val inventoryCache = mutableMapOf<MACAddress, GroupedItemInv>()
+	val internalBuffer = BasicInventory(18)
+
+	init {
+		internalBuffer.addListener(this)
+	}
 
 	override fun handlePacket(packet: Packet) {
 		when (packet) {
@@ -46,11 +59,30 @@ class TerminalBlockEntity: DeviceBlockEntity(PhyBlockEntities.TERMINAL) {
 		return net
 	}
 
-	fun onActivate() {
+	fun onActivate(player: PlayerEntity) {
 		if (!world!!.isClient) {
 			inventoryCache.clear()
 			enqueueToSingle(RequestInventoryPacket(macAddress))
+			ContainerProviderRegistry.INSTANCE.openContainer(TerminalContainer.ID, player) { buf ->
+				buf.writeBlockPos(pos)
+			}
 		}
 	}
 
+	override fun onInvChange(inv: Inventory) {
+		if (inv == internalBuffer) {
+			markDirty()
+		}
+	}
+
+	override fun toTag(tag: CompoundTag): CompoundTag {
+		tag.put("InternalBuffer", internalBuffer.toTag())
+		return super.toTag(tag)
+	}
+
+	override fun fromTag(tag: CompoundTag) {
+		super.fromTag(tag)
+		internalBuffer.fromTag(tag.getList("InternalBuffer", 10))
+	}
+
 }

src/main/kotlin/net/shadowfacts/phycon/network/block/terminal/TerminalContainer.kt

@@ -0,0 +1,42 @@
+package net.shadowfacts.phycon.network.block.terminal
+
+import net.minecraft.container.Container
+import net.minecraft.container.Slot
+import net.minecraft.entity.player.PlayerEntity
+import net.minecraft.entity.player.PlayerInventory
+import net.minecraft.util.Identifier
+import net.shadowfacts.phycon.PhysicalConnectivity
+
+/**
+ * @author shadowfacts
+ */
+class TerminalContainer(syncId: Int, playerInv: PlayerInventory, val terminal: TerminalBlockEntity): Container(null, syncId) {
+
+	companion object {
+		val ID = Identifier(PhysicalConnectivity.MODID, "terminal")
+	}
+
+	init {
+		// internal buffer
+		for (y in 0 until 6) {
+			for (x in 0 until 3) {
+				addSlot(Slot(terminal.internalBuffer, y * 3 + x, 8 + x * 18, 18 + y * 18))
+			}
+		}
+
+		// player inv
+		for (y in 0 until 3) {
+			for (x in 0 until 9) {
+				addSlot(Slot(playerInv, x + y * 9 + 9, 66 + x * 18, 140 + y * 18))
+			}
+		}
+		// hotbar
+		for (x in 0 until 9) {
+			addSlot(Slot(playerInv, x, 66 + x * 18, 198))
+		}
+	}
+
+	override fun canUse(player: PlayerEntity): Boolean {
+		return true
+	}
+}

src/main/kotlin/net/shadowfacts/phycon/network/block/terminal/TerminalScreen.kt

@@ -0,0 +1,40 @@
+package net.shadowfacts.phycon.network.block.terminal
+
+import com.mojang.blaze3d.platform.GlStateManager
+import net.minecraft.client.gui.screen.ingame.AbstractContainerScreen
+import net.minecraft.entity.player.PlayerInventory
+import net.minecraft.text.LiteralText
+import net.minecraft.util.Identifier
+import net.shadowfacts.phycon.PhysicalConnectivity
+
+/**
+ * @author shadowfacts
+ */
+// todo: translate title
+class TerminalScreen(container: TerminalContainer, playerInv: PlayerInventory): AbstractContainerScreen<TerminalContainer>(container, playerInv, LiteralText("Terminal")) {
+	companion object {
+		val BACKGROUND = Identifier(PhysicalConnectivity.MODID, "textures/gui/terminal.png")
+	}
+
+	init {
+		containerWidth = 252
+		containerHeight = 222
+	}
+
+	override fun drawForeground(mouseX: Int, mouseY: Int) {
+		font.draw(title.asFormattedString(), 65f, 6f, 0x404040)
+		font.draw(playerInventory.displayName.asFormattedString(), 65f, containerHeight - 94f, 0x404040)
+		// todo: translate this
+		font.draw("Buffer", 7f, 6f, 0x404040)
+	}
+
+	override fun drawBackground(delta: Float, mouseX: Int, mouseY: Int) {
+		GlStateManager.color4f(1f, 1f, 1f, 1f)
+		minecraft!!.textureManager.bindTexture(BACKGROUND)
+		val x = (width - containerWidth) / 2
+		val y = (height - containerHeight) / 2
+		blit(x, y, 0, 0, containerWidth, containerHeight)
+
+	}
+
+}

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

@@ -0,0 +1,34 @@
+package net.shadowfacts.phycon.util
+
+import net.minecraft.inventory.BasicInventory
+import net.minecraft.item.ItemStack
+import net.minecraft.nbt.CompoundTag
+import net.minecraft.nbt.ListTag
+import java.lang.RuntimeException
+
+/**
+ * @author shadowfacts
+ */
+fun BasicInventory.toTag(): ListTag {
+	val list = ListTag()
+	for (slot in 0 until invSize) {
+		val stack = getInvStack(slot)
+		if (!stack.isEmpty) {
+			val stackTag = stack.toTag(CompoundTag())
+			stackTag.putInt("Slot", slot)
+			list.add(stackTag)
+		}
+	}
+	return list
+}
+
+fun BasicInventory.fromTag(list: ListTag) {
+	if (list.listType != 10) throw RuntimeException("Can't decode BasicInventory from list tag that does not contain compound tags")
+	this.clear()
+	for (tag in list) {
+		val compound = tag as CompoundTag
+		val stack = ItemStack.fromTag(compound)
+		val slot = compound.getInt("Slot")
+		setInvStack(slot, stack)
+	}
+}

src/main/resources/fabric.mod.json

@@ -19,6 +19,12 @@
         "adapter": "kotlin",
         "value": "net.shadowfacts.phycon.PhysicalConnectivity"
       }
+    ],
+    "client": [
+      {
+        "adapter": "kotlin",
+        "value": "net.shadowfacts.phycon.PhysicalConnectivityClient"
+      }
     ]
   },
   "mixins": [
@@ -29,4 +35,4 @@
     "fabric": "*",
     "fabric-language-kotlin": ">=1.3.50"
   }
-}
+}