feat: Add dev capes

src/main/kotlin/features/debug/itemeditor/ExportRecipe.kt

@@ -5,7 +5,6 @@ import kotlinx.serialization.json.JsonArray
 import kotlinx.serialization.json.JsonObject
 import kotlinx.serialization.json.JsonPrimitive
 import net.minecraft.client.network.AbstractClientPlayerEntity
-import net.minecraft.client.network.ClientPlayerEntity
 import net.minecraft.entity.decoration.ArmorStandEntity
 import moe.nea.firmament.Firmament
 import moe.nea.firmament.annotations.Subscribe
@@ -64,7 +63,7 @@ object ExportRecipe {
 				?: ""
 			val reply = waitForTextInput("$guessName (NPC)", "Export stub")
 			val id = generateName(reply)
-			ItemExporter.exportStub(id, reply) {
+			ItemExporter.exportStub(id, "§9$reply") {
 				val playerEntity = entity as? AbstractClientPlayerEntity
 				val textureUrl = playerEntity?.skinTextures?.textureUrl
 				if (textureUrl != null)
@@ -117,7 +116,7 @@ object ExportRecipe {
 			val shopId = SkyblockId(title.uppercase().replace(" ", "_") + "_NPC")
 			if (!ItemExporter.isExported(shopId)) {
 				// TODO: export location + skin of last clicked npc
-				ItemExporter.exportStub(shopId, "$title (NPC)")
+				ItemExporter.exportStub(shopId, "§9$title (NPC)")
 			}
 			for (index in (9..9 * 5)) {
 				val item = event.screen.getSlotByIndex(index, false)?.stack ?: continue

src/main/kotlin/features/misc/CustomCapes.kt

@@ -0,0 +1,165 @@
+package moe.nea.firmament.features.misc
+
+import com.mojang.blaze3d.systems.RenderSystem
+import java.util.OptionalDouble
+import java.util.OptionalInt
+import util.render.CustomRenderPipelines
+import kotlin.time.Duration
+import kotlin.time.Duration.Companion.seconds
+import net.minecraft.client.network.AbstractClientPlayerEntity
+import net.minecraft.client.render.BufferBuilder
+import net.minecraft.client.render.RenderLayer
+import net.minecraft.client.render.VertexConsumer
+import net.minecraft.client.render.VertexConsumerProvider
+import net.minecraft.client.render.entity.state.PlayerEntityRenderState
+import net.minecraft.client.util.BufferAllocator
+import net.minecraft.util.Identifier
+import moe.nea.firmament.Firmament
+import moe.nea.firmament.util.MC
+import moe.nea.firmament.util.TimeMark
+
+object CustomCapes {
+	interface CustomCapeRenderer {
+		fun replaceRender(
+			renderLayer: RenderLayer,
+			vertexConsumerProvider: VertexConsumerProvider,
+			model: (VertexConsumer) -> Unit
+		)
+	}
+
+	data class TexturedCapeRenderer(
+		val location: Identifier
+	) : CustomCapeRenderer {
+		override fun replaceRender(
+			renderLayer: RenderLayer,
+			vertexConsumerProvider: VertexConsumerProvider,
+			model: (VertexConsumer) -> Unit
+		) {
+			model(vertexConsumerProvider.getBuffer(RenderLayer.getEntitySolid(location)))
+		}
+	}
+
+	data class ParallaxedHighlightCapeRenderer(
+		val template: Identifier,
+		val background: Identifier,
+		val overlay: Identifier,
+		val animationSpeed: Duration,
+	) : CustomCapeRenderer {
+		override fun replaceRender(
+			renderLayer: RenderLayer,
+			vertexConsumerProvider: VertexConsumerProvider,
+			model: (VertexConsumer) -> Unit
+		) {
+			BufferAllocator(2048).use { allocator ->
+				val bufferBuilder = BufferBuilder(allocator, renderLayer.drawMode, renderLayer.vertexFormat)
+				model(bufferBuilder)
+				bufferBuilder.end().use { buffer ->
+					val commandEncoder = RenderSystem.getDevice().createCommandEncoder()
+					val vertexBuffer = renderLayer.vertexFormat.uploadImmediateVertexBuffer(buffer.buffer)
+					val indexBufferConstructor = RenderSystem.getSequentialBuffer(renderLayer.drawMode)
+					val indexBuffer = indexBufferConstructor.getIndexBuffer(buffer.drawParameters.indexCount)
+					val templateTexture = MC.textureManager.getTexture(template)
+					val backgroundTexture = MC.textureManager.getTexture(background)
+					val foregroundTexture = MC.textureManager.getTexture(overlay)
+					commandEncoder.createRenderPass(
+						MC.instance.framebuffer.colorAttachment,
+						OptionalInt.empty(),
+						MC.instance.framebuffer.depthAttachment,
+						OptionalDouble.empty(),
+					).use { renderPass ->
+						// TODO: account for lighting
+						renderPass.setPipeline(CustomRenderPipelines.PARALLAX_CAPE_SHADER)
+						renderPass.bindSampler("Sampler0", templateTexture.glTexture)
+						renderPass.bindSampler("Sampler1", backgroundTexture.glTexture)
+						renderPass.bindSampler("Sampler3", foregroundTexture.glTexture)
+						val animationValue = (startTime.passedTime() / animationSpeed).mod(1F)
+						renderPass.setUniform("Animation", animationValue.toFloat())
+						renderPass.setIndexBuffer(indexBuffer, indexBufferConstructor.indexType)
+						renderPass.setVertexBuffer(0, vertexBuffer)
+						renderPass.drawIndexed(0, buffer.drawParameters.indexCount)
+					}
+				}
+			}
+		}
+	}
+
+	interface CapeStorage {
+		companion object {
+			@JvmStatic
+			fun cast(playerEntityRenderState: PlayerEntityRenderState) =
+				playerEntityRenderState as CapeStorage
+
+		}
+
+		var cape_firmament: CustomCape?
+	}
+
+	data class CustomCape(
+		val id: String,
+		val label: String,
+		val render: CustomCapeRenderer,
+	)
+
+	enum class AllCapes(val label: String, val render: CustomCapeRenderer) {
+		FIRMAMENT_ANIMATED(
+			"Animated Firmament", ParallaxedHighlightCapeRenderer(
+				Firmament.identifier("textures/cape/parallax_template.png"),
+				Firmament.identifier("textures/cape/parallax_background.png"),
+				Firmament.identifier("textures/cape/firmament_star.png"),
+				110.seconds
+			)
+		),
+//		FURFSKY(
+//			"FurfSky",
+//			TexturedCapeRenderer(Firmament.identifier("textures/cape/fsr_static.png"))
+//		),
+		FIRMAMENT_STATIC(
+			"Firmament",
+			TexturedCapeRenderer(Firmament.identifier("textures/cape/firm_static.png"))
+		)
+		;
+
+		val cape = CustomCape(name, label, render)
+	}
+
+	val byId = AllCapes.entries.associateBy { it.cape.id }
+	val byUuid = listOf(
+		Devs.nea to AllCapes.FIRMAMENT_ANIMATED,
+		Devs.kath to AllCapes.FIRMAMENT_STATIC,
+		Devs.jani to AllCapes.FIRMAMENT_ANIMATED,
+	).flatMap { (dev, cape) -> dev.uuids.map { it to cape.cape } }.toMap()
+
+	@JvmStatic
+	fun render(
+		playerEntityRenderState: PlayerEntityRenderState,
+		vertexConsumer: VertexConsumer,
+		renderLayer: RenderLayer,
+		vertexConsumerProvider: VertexConsumerProvider,
+		model: (VertexConsumer) -> Unit
+	) {
+		val capeStorage = CapeStorage.cast(playerEntityRenderState)
+		val firmCape = capeStorage.cape_firmament
+		if (firmCape != null) {
+			firmCape.render.replaceRender(renderLayer, vertexConsumerProvider, model)
+		} else {
+			model(vertexConsumer)
+		}
+	}
+
+	@JvmStatic
+	fun addCapeData(
+		player: AbstractClientPlayerEntity,
+		playerEntityRenderState: PlayerEntityRenderState
+	) {
+		val cape = byUuid[player.uuid]
+		val capeStorage = CapeStorage.cast(playerEntityRenderState)
+		if (cape == null) {
+			capeStorage.cape_firmament = null
+		} else {
+			capeStorage.cape_firmament = cape
+			playerEntityRenderState.capeVisible = true;
+		}
+	}
+
+	val startTime = TimeMark.now()
+}

src/main/kotlin/features/misc/Devs.kt

@@ -0,0 +1,16 @@
+package moe.nea.firmament.features.misc
+
+import java.util.UUID
+
+object Devs {
+	data class Dev(
+		val uuids: List<UUID>,
+	) {
+		constructor(vararg uuid: UUID) : this(uuid.toList())
+		constructor(vararg uuid: String) : this(uuid.map { UUID.fromString(it) })
+	}
+
+	val nea = Dev("d3cb85e2-3075-48a1-b213-a9bfb62360c1", "842204e6-6880-487b-ae5a-0595394f9948")
+	val kath = Dev("add71246-c46e-455c-8345-c129ea6f146c", "b491990d-53fd-4c5f-a61e-19d58cc7eddf")
+	val jani = Dev("8a9f1841-48e9-48ed-b14f-76a124e6c9df")
+}

src/main/kotlin/util/render/CustomRenderLayers.kt

@@ -49,6 +49,15 @@ object CustomRenderPipelines {
 			.withFragmentShader(Firmament.identifier("circle_discard_color"))
 			.withBlend(BlendFunction.TRANSLUCENT)
 			.build()
+	val PARALLAX_CAPE_SHADER =
+		RenderPipeline.builder(RenderPipelines.ENTITY_SNIPPET)
+			.withLocation(Firmament.identifier("parallax_cape"))
+			.withFragmentShader(Firmament.identifier("cape/parallax"))
+			.withSampler("Sampler0")
+			.withSampler("Sampler1")
+			.withSampler("Sampler3")
+			.withUniform("Animation", UniformType.FLOAT)
+			.build()
 }
 
 object CustomRenderLayers {