119 lines
5.2 KiB
Java
119 lines
5.2 KiB
Java
package net.minecraft.client.renderer;
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import com.mojang.blaze3d.ProjectionType;
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import com.mojang.blaze3d.buffers.GpuBuffer;
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import com.mojang.blaze3d.buffers.GpuBufferSlice;
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import com.mojang.blaze3d.pipeline.RenderPipeline;
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import com.mojang.blaze3d.pipeline.RenderTarget;
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import com.mojang.blaze3d.systems.RenderPass;
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import com.mojang.blaze3d.systems.RenderSystem;
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import com.mojang.blaze3d.textures.GpuTextureView;
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import com.mojang.blaze3d.vertex.BufferBuilder;
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import com.mojang.blaze3d.vertex.ByteBufferBuilder;
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import com.mojang.blaze3d.vertex.DefaultVertexFormat;
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import com.mojang.blaze3d.vertex.MeshData;
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import com.mojang.blaze3d.vertex.VertexFormat;
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import java.util.OptionalDouble;
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import java.util.OptionalInt;
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import net.fabricmc.api.EnvType;
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import net.fabricmc.api.Environment;
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import net.minecraft.client.Minecraft;
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import net.minecraft.client.renderer.texture.CubeMapTexture;
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import net.minecraft.client.renderer.texture.TextureManager;
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import net.minecraft.resources.ResourceLocation;
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import org.joml.Matrix4f;
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import org.joml.Matrix4fStack;
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import org.joml.Vector3f;
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import org.joml.Vector4f;
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@Environment(EnvType.CLIENT)
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public class CubeMap implements AutoCloseable {
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private static final int SIDES = 6;
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private final GpuBuffer vertexBuffer;
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private final CachedPerspectiveProjectionMatrixBuffer projectionMatrixUbo;
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private final ResourceLocation location;
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public CubeMap(ResourceLocation baseImageLocation) {
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this.location = baseImageLocation;
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this.projectionMatrixUbo = new CachedPerspectiveProjectionMatrixBuffer("cubemap", 0.05F, 10.0F);
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this.vertexBuffer = initializeVertices();
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}
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public void render(Minecraft minecraft, float xRot, float yRot) {
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RenderSystem.setProjectionMatrix(
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this.projectionMatrixUbo.getBuffer(minecraft.getWindow().getWidth(), minecraft.getWindow().getHeight(), 85.0F), ProjectionType.PERSPECTIVE
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);
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RenderPipeline renderPipeline = RenderPipelines.PANORAMA;
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RenderTarget renderTarget = Minecraft.getInstance().getMainRenderTarget();
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GpuTextureView gpuTextureView = renderTarget.getColorTextureView();
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GpuTextureView gpuTextureView2 = renderTarget.getDepthTextureView();
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RenderSystem.AutoStorageIndexBuffer autoStorageIndexBuffer = RenderSystem.getSequentialBuffer(VertexFormat.Mode.QUADS);
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GpuBuffer gpuBuffer = autoStorageIndexBuffer.getBuffer(36);
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Matrix4fStack matrix4fStack = RenderSystem.getModelViewStack();
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matrix4fStack.pushMatrix();
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matrix4fStack.rotationX((float) Math.PI);
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matrix4fStack.rotateX(xRot * (float) (Math.PI / 180.0));
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matrix4fStack.rotateY(yRot * (float) (Math.PI / 180.0));
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GpuBufferSlice gpuBufferSlice = RenderSystem.getDynamicUniforms()
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.writeTransform(new Matrix4f(matrix4fStack), new Vector4f(1.0F, 1.0F, 1.0F, 1.0F), new Vector3f(), new Matrix4f(), 0.0F);
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matrix4fStack.popMatrix();
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try (RenderPass renderPass = RenderSystem.getDevice()
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.createCommandEncoder()
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.createRenderPass(() -> "Cubemap", gpuTextureView, OptionalInt.empty(), gpuTextureView2, OptionalDouble.empty())) {
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renderPass.setPipeline(renderPipeline);
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RenderSystem.bindDefaultUniforms(renderPass);
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renderPass.setVertexBuffer(0, this.vertexBuffer);
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renderPass.setIndexBuffer(gpuBuffer, autoStorageIndexBuffer.type());
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renderPass.setUniform("DynamicTransforms", gpuBufferSlice);
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renderPass.bindSampler("Sampler0", minecraft.getTextureManager().getTexture(this.location).getTextureView());
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renderPass.drawIndexed(0, 0, 36, 1);
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}
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}
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private static GpuBuffer initializeVertices() {
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GpuBuffer var3;
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try (ByteBufferBuilder byteBufferBuilder = ByteBufferBuilder.exactlySized(DefaultVertexFormat.POSITION.getVertexSize() * 4 * 6)) {
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BufferBuilder bufferBuilder = new BufferBuilder(byteBufferBuilder, VertexFormat.Mode.QUADS, DefaultVertexFormat.POSITION);
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bufferBuilder.addVertex(-1.0F, -1.0F, 1.0F);
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bufferBuilder.addVertex(-1.0F, 1.0F, 1.0F);
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bufferBuilder.addVertex(1.0F, 1.0F, 1.0F);
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bufferBuilder.addVertex(1.0F, -1.0F, 1.0F);
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bufferBuilder.addVertex(1.0F, -1.0F, 1.0F);
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bufferBuilder.addVertex(1.0F, 1.0F, 1.0F);
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bufferBuilder.addVertex(1.0F, 1.0F, -1.0F);
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bufferBuilder.addVertex(1.0F, -1.0F, -1.0F);
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bufferBuilder.addVertex(1.0F, -1.0F, -1.0F);
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bufferBuilder.addVertex(1.0F, 1.0F, -1.0F);
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bufferBuilder.addVertex(-1.0F, 1.0F, -1.0F);
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bufferBuilder.addVertex(-1.0F, -1.0F, -1.0F);
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bufferBuilder.addVertex(-1.0F, -1.0F, -1.0F);
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bufferBuilder.addVertex(-1.0F, 1.0F, -1.0F);
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bufferBuilder.addVertex(-1.0F, 1.0F, 1.0F);
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bufferBuilder.addVertex(-1.0F, -1.0F, 1.0F);
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bufferBuilder.addVertex(-1.0F, -1.0F, -1.0F);
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bufferBuilder.addVertex(-1.0F, -1.0F, 1.0F);
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bufferBuilder.addVertex(1.0F, -1.0F, 1.0F);
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bufferBuilder.addVertex(1.0F, -1.0F, -1.0F);
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bufferBuilder.addVertex(-1.0F, 1.0F, 1.0F);
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bufferBuilder.addVertex(-1.0F, 1.0F, -1.0F);
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bufferBuilder.addVertex(1.0F, 1.0F, -1.0F);
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bufferBuilder.addVertex(1.0F, 1.0F, 1.0F);
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try (MeshData meshData = bufferBuilder.buildOrThrow()) {
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var3 = RenderSystem.getDevice().createBuffer(() -> "Cube map vertex buffer", 32, meshData.vertexBuffer());
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}
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}
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return var3;
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}
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public void registerTextures(TextureManager textureManager) {
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textureManager.register(this.location, new CubeMapTexture(this.location));
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}
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public void close() {
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this.vertexBuffer.close();
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this.projectionMatrixUbo.close();
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}
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}
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