выстрел в ногу ВСЕМ

progress towards #258
prototype, missing: lighting, item render

src/main/kotlin/ru/dbotthepony/mc/otm/client/render/blockentity/FluidTankRenderer.kt

@@ -0,0 +1,102 @@
+package ru.dbotthepony.mc.otm.client.render.blockentity
+
+import com.mojang.blaze3d.systems.RenderSystem
+import com.mojang.blaze3d.vertex.*
+import com.mojang.math.Axis
+import net.minecraft.client.renderer.*
+import net.minecraft.client.renderer.blockentity.BlockEntityRenderer
+import net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider
+import net.minecraft.world.inventory.InventoryMenu
+import net.minecraftforge.client.extensions.common.IClientFluidTypeExtensions
+import ru.dbotthepony.mc.otm.block.entity.decorative.FluidTankBlockEntity
+import ru.dbotthepony.mc.otm.client.minecraft
+import ru.dbotthepony.mc.otm.client.render.*
+import ru.dbotthepony.mc.otm.core.math.RGBAColor
+import ru.dbotthepony.mc.otm.core.math.linearInterpolation
+
+class FluidTankRenderer(private val context: BlockEntityRendererProvider.Context) : BlockEntityRenderer<FluidTankBlockEntity> {
+	private val fluidTop = 13f / 16f
+	private val fluidBottom = 3f / 16f
+	private val fluidHeight = 10f / 16f
+	private val fluidWidth = 15.8f / 16f
+
+	private val fluidPadding = (1f - fluidWidth) * .5f
+
+	override fun render(
+		tile: FluidTankBlockEntity,
+		partialTick: Float,
+		poseStack: PoseStack,
+		bufferSource: MultiBufferSource,
+		packedLight: Int,
+		overlayLight: Int
+	) {
+		val fluid = tile.synchronizedFluid
+
+		if (fluid.isEmpty)
+			return
+
+		val fluidLevel = fluid.amount.toFloat() / tile.fluid.getTankCapacity(0).toFloat()
+
+		if (fluidLevel < 0.01f)
+			return
+
+		val data = IClientFluidTypeExtensions.of(fluid.fluid)
+		val texture = data.stillTexture
+		val sprite = minecraft.getTextureAtlas(InventoryMenu.BLOCK_ATLAS).apply(texture)
+		val tint = RGBAColor.argb(data.getTintColor(fluid))
+		val gas = fluid.fluid.fluidType.isLighterThanAir
+
+		val interp = linearInterpolation(fluidLevel, sprite.v1, sprite.v0)
+		val v1 = linearInterpolation(fluidBottom, sprite.v1, sprite.v0)
+
+		val builder = tesselator.builder
+		builder.begin(VertexFormat.Mode.QUADS, DefaultVertexFormat.BLOCK)
+
+		poseStack.pushPose()
+		poseStack.translate(0f, fluidBottom + (if (gas) 1f - fluidLevel else 0f) * fluidHeight, 0f)
+
+		for (i in 0 .. 3) {
+			poseStack.pushPose()
+
+			poseStack.translate(0.5, 0.0, 0.5)
+			poseStack.rotateAround(Axis.YP.rotationDegrees(i * 90.0f), 0.0f, 1.0f, 0.0f)
+			poseStack.translate(-0.5f, 0f, fluidWidth * .5f)
+
+			val matrix = poseStack.last().pose()
+
+			builder.vertex(matrix, fluidPadding, 0f, 0f).color(tint.red, tint.green, tint.blue, tint.alpha).uv(sprite.u0, v1).overlayCoords(overlayLight).uv2(packedLight).normal(0.0f, 1.0f, 0.0f).endVertex()
+			builder.vertex(matrix, fluidPadding + fluidWidth, 0f, 0f).color(tint.red, tint.green, tint.blue, tint.alpha).uv(sprite.u1, v1).overlayCoords(overlayLight).uv2(packedLight).normal(0.0f, 1.0f, 0.0f).endVertex()
+			builder.vertex(matrix, fluidPadding + fluidWidth, fluidLevel * fluidHeight, 0f).color(tint.red, tint.green, tint.blue, tint.alpha).uv(sprite.u1, interp).overlayCoords(overlayLight).uv2(packedLight).normal(0.0f, 1.0f, 0.0f).endVertex()
+			builder.vertex(matrix, fluidPadding, fluidLevel * fluidHeight, 0f).color(tint.red, tint.green, tint.blue, tint.alpha).uv(sprite.u0, interp).overlayCoords(overlayLight).uv2(packedLight).normal(0.0f, 1.0f, 0.0f).endVertex()
+
+			poseStack.popPose()
+		}
+
+		val matrix = poseStack.last().pose()
+
+		if (!gas && fluidLevel < 1f) { // top
+			builder.vertex(matrix, fluidPadding, fluidLevel * fluidHeight, fluidPadding + fluidWidth).color(tint.red, tint.green, tint.blue, tint.alpha).uv(sprite.u0, sprite.v1).overlayCoords(overlayLight).uv2(packedLight).normal(0.0f, 1.0f, 0.0f).endVertex()
+			builder.vertex(matrix, fluidPadding + fluidWidth, fluidLevel * fluidHeight, fluidPadding + fluidWidth).color(tint.red, tint.green, tint.blue, tint.alpha).uv(sprite.u1, sprite.v1).overlayCoords(overlayLight).uv2(packedLight).normal(0.0f, 1.0f, 0.0f).endVertex()
+			builder.vertex(matrix, fluidPadding + fluidWidth, fluidLevel * fluidHeight, fluidPadding).color(tint.red, tint.green, tint.blue, tint.alpha).uv(sprite.u1, sprite.v0).overlayCoords(overlayLight).uv2(packedLight).normal(0.0f, 1.0f, 0.0f).endVertex()
+			builder.vertex(matrix, fluidPadding, fluidLevel * fluidHeight, fluidPadding).color(tint.red, tint.green, tint.blue, tint.alpha).uv(sprite.u0, sprite.v0).overlayCoords(overlayLight).uv2(packedLight).normal(0.0f, 1.0f, 0.0f).endVertex()
+		}
+
+		if (gas && fluidLevel < 1f) { // bottom
+			builder.vertex(matrix, fluidPadding, 0f, fluidPadding).color(tint.red, tint.green, tint.blue, tint.alpha).uv(sprite.u0, sprite.v0).overlayCoords(overlayLight).uv2(packedLight).normal(0.0f, 1.0f, 0.0f).endVertex()
+			builder.vertex(matrix, fluidPadding + fluidWidth, 0f, fluidPadding).color(tint.red, tint.green, tint.blue, tint.alpha).uv(sprite.u1, sprite.v0).overlayCoords(overlayLight).uv2(packedLight).normal(0.0f, 1.0f, 0.0f).endVertex()
+			builder.vertex(matrix, fluidPadding + fluidWidth, 0f, fluidPadding + fluidWidth).color(tint.red, tint.green, tint.blue, tint.alpha).uv(sprite.u1, sprite.v1).overlayCoords(overlayLight).uv2(packedLight).normal(0.0f, 1.0f, 0.0f).endVertex()
+			builder.vertex(matrix, fluidPadding, 0f, fluidPadding + fluidWidth).color(tint.red, tint.green, tint.blue, tint.alpha).uv(sprite.u0, sprite.v1).overlayCoords(overlayLight).uv2(packedLight).normal(0.0f, 1.0f, 0.0f).endVertex()
+		}
+
+		poseStack.popPose()
+
+		RenderSystem.setShader(GameRenderer::getPositionColorTexLightmapShader)
+		RenderSystem.setShaderTexture(0, InventoryMenu.BLOCK_ATLAS)
+
+		RenderSystem.enableCull()
+		RenderSystem.enableBlend()
+		RenderSystem.enableDepthTest()
+
+		BufferUploader.drawWithShader(builder.end())
+	}
+}

src/main/kotlin/ru/dbotthepony/mc/otm/registry/MBlockEntities.kt

@@ -83,6 +83,7 @@ object MBlockEntities {
 			BlockEntityRenderers.register(MATTER_RECONSTRUCTOR, ::MatterReconstructorRenderer)
 			BlockEntityRenderers.register(MATTER_REPLICATOR, ::MatterReplicatorRenderer)
 			BlockEntityRenderers.register(HOLO_SIGN, ::HoloSignRenderer)
+			BlockEntityRenderers.register(FLUID_TANK, ::FluidTankRenderer)
 		}
 	}
 }