Add Fluid Hopper GUI

Closes #11

src/main/kotlin/net/shadowfacts/extrahoppers/block/fluid/BlockFluidHopper.kt

@@ -13,7 +13,9 @@ import net.minecraft.world.World
 import net.minecraftforge.fluids.FluidUtil
 import net.minecraftforge.fluids.capability.CapabilityFluidHandler
 import net.minecraftforge.fml.common.registry.GameRegistry
+import net.shadowfacts.extrahoppers.ExtraHoppers
 import net.shadowfacts.extrahoppers.block.base.BlockHopperBase
+import net.shadowfacts.extrahoppers.gui.GUIHandler
 
 /**
  * @author shadowfacts
@@ -27,8 +29,9 @@ class BlockFluidHopper: BlockHopperBase<TileEntityFluidHopper>("fluid_hopper", m
 	}
 
 	override fun onBlockActivated(world: World, pos: BlockPos, state: IBlockState, player: EntityPlayer, hand: EnumHand, side: EnumFacing, hitX: Float, hitY: Float, hitZ: Float): Boolean {
-//		TODO: GUI
-		if (!player.isSneaking) {
+		if (player.isSneaking) {
+			player.openGui(ExtraHoppers, GUIHandler.FLUID_HOPPER, world, pos.x, pos.y, pos.z)
+		} else {
 			val te = getTileEntity(world, pos)
 			val stack = player.getHeldItem(hand)
 			val result = FluidUtil.interactWithFluidHandler(stack, te.getCapability(CapabilityFluidHandler.FLUID_HANDLER_CAPABILITY, EnumFacing.NORTH), player)

src/main/kotlin/net/shadowfacts/extrahoppers/block/fluid/GUIFluidHopper.kt

@@ -0,0 +1,44 @@
+package net.shadowfacts.extrahoppers.block.fluid
+
+import net.minecraft.client.gui.inventory.GuiContainer
+import net.minecraft.inventory.Container
+import net.minecraft.util.ResourceLocation
+import net.shadowfacts.extrahoppers.MOD_ID
+import net.shadowfacts.extrahoppers.gui.element.UIFluidIndicator
+import net.shadowfacts.shadowmc.ui.dsl.*
+
+/**
+ * @author shadowfacts
+ */
+object GUIFluidHopper {
+
+	private val BG = ResourceLocation("shadowmc", "textures/gui/blank.png")
+
+	fun create(hopper: TileEntityFluidHopper, container: Container): GuiContainer {
+		return container(container) {
+			fixed {
+				id = "root"
+				width = 176
+				height = 166
+
+				image {
+					id = "bg"
+					width = 176
+					height = 166
+					texture = BG
+				}
+
+				fixed {
+					id = "top"
+					width = 176
+					height = 166 / 2
+
+					add(UIFluidIndicator(hopper.tank, "fluidIndicator"))
+				}
+			}
+
+			style("$MOD_ID:fluid_hopper")
+		}
+	}
+
+}

src/main/kotlin/net/shadowfacts/extrahoppers/gui/GUIHandler.kt

@@ -5,9 +5,12 @@ import net.minecraft.inventory.Container
 import net.minecraft.util.math.BlockPos
 import net.minecraft.world.World
 import net.minecraftforge.fml.common.network.IGuiHandler
+import net.shadowfacts.extrahoppers.block.fluid.GUIFluidHopper
+import net.shadowfacts.extrahoppers.block.fluid.TileEntityFluidHopper
 import net.shadowfacts.extrahoppers.block.wooden.ContainerWoodenHopper
 import net.shadowfacts.extrahoppers.block.wooden.GUIWoodenHopper
 import net.shadowfacts.extrahoppers.block.wooden.TileEntityWoodenHopper
+import net.shadowfacts.shadowmc.inventory.ContainerPlayerInv
 
 /**
  * @author shadowfacts
@@ -18,7 +21,9 @@ object GUIHandler: IGuiHandler {
 	val WOODEN_HOPPER = 1
 
 	override fun getClientGuiElement(ID: Int, player: EntityPlayer, world: World, x: Int, y: Int, z: Int): Any? {
+		val pos = BlockPos(x, y, z)
 		return when (ID) {
+			FLUID_HOPPER -> GUIFluidHopper.create(world.getTileEntity(pos) as TileEntityFluidHopper, getServerGuiElement(ID, player, world, x, y, z)!!)
 			WOODEN_HOPPER -> GUIWoodenHopper(getServerGuiElement(ID, player, world, x, y, z)!!)
 			else -> null
 		}
@@ -27,6 +32,7 @@ object GUIHandler: IGuiHandler {
 	override fun getServerGuiElement(ID: Int, player: EntityPlayer, world: World, x: Int, y: Int, z: Int): Container? {
 		val pos = BlockPos(x, y, z)
 		return when (ID) {
+			FLUID_HOPPER -> ContainerPlayerInv(pos, player.inventory)
 			WOODEN_HOPPER -> ContainerWoodenHopper(world.getTileEntity(pos) as TileEntityWoodenHopper, player.inventory, pos)
 			else -> null
 		}

src/main/kotlin/net/shadowfacts/extrahoppers/gui/element/UIFluidIndicator.kt

@@ -0,0 +1,16 @@
+package net.shadowfacts.extrahoppers.gui.element
+
+import net.minecraftforge.fluids.IFluidTank
+import net.shadowfacts.shadowmc.ui.UIDimensions
+import net.shadowfacts.shadowmc.ui.element.UIFluidIndicator
+
+/**
+ * @author shadowfacts
+ */
+class UIFluidIndicator(tank: IFluidTank, id: String, vararg classes: String): UIFluidIndicator(tank, id, *classes) {
+
+	override fun getPreferredDimensions(): UIDimensions {
+		return UIDimensions(20, 73)
+	}
+
+}

src/main/resources/assets/extrahoppers/gui/fluid_hopper.uiss

@@ -0,0 +1,3 @@
+#top {
+	vertical-layout: top
+}