/*
 * Decompiled with CFR 0.152.
 */
package net.minecraft.client.renderer.chunk;

import com.mojang.blaze3d.buffers.GpuBuffer;
import com.mojang.blaze3d.buffers.GpuBufferSlice;
import com.mojang.blaze3d.pipeline.RenderTarget;
import com.mojang.blaze3d.systems.RenderPass;
import com.mojang.blaze3d.systems.RenderSystem;
import com.mojang.blaze3d.textures.FilterMode;
import com.mojang.blaze3d.textures.GpuSampler;
import com.mojang.blaze3d.textures.GpuTextureView;
import com.mojang.blaze3d.vertex.VertexFormat;
import java.util.EnumMap;
import java.util.List;
import java.util.OptionalDouble;
import java.util.OptionalInt;
import java.util.SequencedCollection;
import net.minecraft.SharedConstants;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.RenderPipelines;
import net.minecraft.client.renderer.chunk.ChunkSectionLayer;
import net.minecraft.client.renderer.chunk.ChunkSectionLayerGroup;

public record ChunkSectionsToRender(GpuTextureView textureView, EnumMap<ChunkSectionLayer, List<RenderPass.Draw<GpuBufferSlice[]>>> drawsPerLayer, int maxIndicesRequired, GpuBufferSlice[] chunkSectionInfos) {
    public void renderGroup(ChunkSectionLayerGroup group, GpuSampler sampler) {
        RenderSystem.AutoStorageIndexBuffer autoIndices = RenderSystem.getSequentialBuffer(VertexFormat.Mode.QUADS);
        GpuBuffer defaultIndexBuffer = this.maxIndicesRequired == 0 ? null : autoIndices.getBuffer(this.maxIndicesRequired);
        VertexFormat.IndexType defaultIndexType = this.maxIndicesRequired == 0 ? null : autoIndices.type();
        ChunkSectionLayer[] layers = group.layers();
        Minecraft minecraft = Minecraft.getInstance();
        boolean wireframe = SharedConstants.DEBUG_HOTKEYS && minecraft.wireframe;
        RenderTarget renderTarget = group.outputTarget();
        try (RenderPass renderPass = RenderSystem.getDevice().createCommandEncoder().createRenderPass(() -> "Section layers for " + group.label(), renderTarget.getColorTextureView(), OptionalInt.empty(), renderTarget.getDepthTextureView(), OptionalDouble.empty());){
            RenderSystem.bindDefaultUniforms(renderPass);
            renderPass.bindTexture("Sampler2", minecraft.gameRenderer.lightTexture().getTextureView(), RenderSystem.getSamplerCache().getClampToEdge(FilterMode.LINEAR));
            for (ChunkSectionLayer layer : layers) {
                SequencedCollection<RenderPass.Draw<Object>> draws = this.drawsPerLayer.get((Object)layer);
                if (draws.isEmpty()) continue;
                if (layer == ChunkSectionLayer.TRANSLUCENT) {
                    draws = draws.reversed();
                }
                renderPass.setPipeline(wireframe ? RenderPipelines.WIREFRAME : layer.pipeline());
                renderPass.bindTexture("Sampler0", this.textureView, sampler);
                renderPass.drawMultipleIndexed(draws, defaultIndexBuffer, defaultIndexType, List.of("ChunkSection"), this.chunkSectionInfos);
            }
        }
    }
}