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package moe.nea.firmament.features.misc
import com.mojang.blaze3d.buffers.GpuBuffer
import com.mojang.blaze3d.systems.RenderSystem
import java.nio.ByteBuffer
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.client.util.SkinTextures
import net.minecraft.util.Identifier
import moe.nea.firmament.Firmament
import moe.nea.firmament.features.FirmamentFeature
import moe.nea.firmament.gui.config.ManagedConfig
import moe.nea.firmament.util.MC
import moe.nea.firmament.util.TimeMark
object CustomCapes : FirmamentFeature {
override val identifier: String
get() = "developer-capes"
object TConfig : ManagedConfig(identifier, Category.DEV) {
val showCapes by toggle("show-cape") { true }
}
override val config: ManagedConfig
get() = TConfig
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
) {
// TODO: figure out how exactly the rotation abstraction works
val animationValue = (startTime.passedTime() / animationSpeed).mod(1F)
val commandEncoder = RenderSystem.getDevice().createCommandEncoder()
val animationBufSource = ByteBuffer.allocateDirect(8)
animationBufSource.putFloat(animationValue.toFloat())
animationBufSource.flip()
BufferAllocator(2048).use { allocator ->
val bufferBuilder = BufferBuilder(allocator, renderLayer.drawMode, renderLayer.vertexFormat)
model(bufferBuilder)
bufferBuilder.end().use { buffer ->
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)
RenderSystem.getDevice()
.createBuffer({ "Firm Cape Animation" }, GpuBuffer.USAGE_UNIFORM, animationBufSource)
.use { animationUniformBuf ->
commandEncoder.createRenderPass(
{ "FirmamentCustomCape" },
MC.instance.framebuffer.colorAttachmentView,
OptionalInt.empty(),
MC.instance.framebuffer.depthAttachmentView,
OptionalDouble.empty(),
).use { renderPass ->
// TODO: account for lighting
renderPass.setPipeline(CustomRenderPipelines.PARALLAX_CAPE_SHADER)
renderPass.bindSampler("Sampler0", templateTexture.glTextureView)
renderPass.bindSampler("Sampler1", backgroundTexture.glTextureView)
renderPass.bindSampler("Sampler3", foregroundTexture.glTextureView)
renderPass.setUniform("Animation", animationUniformBuf)
renderPass.setIndexBuffer(indexBuffer, indexBufferConstructor.indexType)
renderPass.setVertexBuffer(0, vertexBuffer)
renderPass.drawIndexed(0, 0, buffer.drawParameters.indexCount, 1)
}
}
}
}
}
}
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_STATIC(
"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(
listOf(
Devs.nea to AllCapes.FIRMAMENT_ANIMATED,
Devs.kath to AllCapes.FIRMAMENT_STATIC,
Devs.jani to AllCapes.FIRMAMENT_ANIMATED,
),
Devs.FurfSky.all.map { it to AllCapes.FURFSKY_STATIC },
).flatten().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 = if (TConfig.showCapes) byUuid[player.uuid] else null
val capeStorage = CapeStorage.cast(playerEntityRenderState)
if (cape == null) {
capeStorage.cape_firmament = null
} else {
capeStorage.cape_firmament = cape
playerEntityRenderState.skinTextures = SkinTextures(
playerEntityRenderState.skinTextures.texture,
playerEntityRenderState.skinTextures.textureUrl,
Firmament.identifier("placeholder/fake_cape"),
playerEntityRenderState.skinTextures.elytraTexture,
playerEntityRenderState.skinTextures.model,
playerEntityRenderState.skinTextures.secure,
)
playerEntityRenderState.capeVisible = true
}
}
val startTime = TimeMark.now()
}
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