81 lines
2.8 KiB
Java
81 lines
2.8 KiB
Java
package net.minecraft.client.renderer.debug;
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import com.mojang.blaze3d.vertex.PoseStack;
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import com.mojang.blaze3d.vertex.VertexConsumer;
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import java.util.Map.Entry;
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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.MultiBufferSource;
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import net.minecraft.client.renderer.RenderType;
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import net.minecraft.client.renderer.ShapeRenderer;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.SectionPos;
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import net.minecraft.world.level.ChunkPos;
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import net.minecraft.world.level.LevelAccessor;
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import net.minecraft.world.level.chunk.ChunkAccess;
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import net.minecraft.world.level.levelgen.Heightmap;
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import org.joml.Vector3f;
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@Environment(EnvType.CLIENT)
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public class HeightMapRenderer implements DebugRenderer.SimpleDebugRenderer {
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private final Minecraft minecraft;
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private static final int CHUNK_DIST = 2;
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private static final float BOX_HEIGHT = 0.09375F;
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public HeightMapRenderer(Minecraft minecraft) {
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this.minecraft = minecraft;
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}
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@Override
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public void render(PoseStack poseStack, MultiBufferSource bufferSource, double camX, double camY, double camZ) {
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LevelAccessor levelAccessor = this.minecraft.level;
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VertexConsumer vertexConsumer = bufferSource.getBuffer(RenderType.debugFilledBox());
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BlockPos blockPos = BlockPos.containing(camX, 0.0, camZ);
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for (int i = -2; i <= 2; i++) {
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for (int j = -2; j <= 2; j++) {
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ChunkAccess chunkAccess = levelAccessor.getChunk(blockPos.offset(i * 16, 0, j * 16));
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for (Entry<Heightmap.Types, Heightmap> entry : chunkAccess.getHeightmaps()) {
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Heightmap.Types types = (Heightmap.Types)entry.getKey();
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ChunkPos chunkPos = chunkAccess.getPos();
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Vector3f vector3f = this.getColor(types);
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for (int k = 0; k < 16; k++) {
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for (int l = 0; l < 16; l++) {
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int m = SectionPos.sectionToBlockCoord(chunkPos.x, k);
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int n = SectionPos.sectionToBlockCoord(chunkPos.z, l);
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float f = (float)(levelAccessor.getHeight(types, m, n) + types.ordinal() * 0.09375F - camY);
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ShapeRenderer.addChainedFilledBoxVertices(
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poseStack,
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vertexConsumer,
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m + 0.25F - camX,
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(double)f,
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n + 0.25F - camZ,
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m + 0.75F - camX,
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(double)(f + 0.09375F),
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n + 0.75F - camZ,
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vector3f.x(),
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vector3f.y(),
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vector3f.z(),
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1.0F
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);
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}
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}
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}
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}
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}
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}
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private Vector3f getColor(Heightmap.Types types) {
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return switch (types) {
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case WORLD_SURFACE_WG -> new Vector3f(1.0F, 1.0F, 0.0F);
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case OCEAN_FLOOR_WG -> new Vector3f(1.0F, 0.0F, 1.0F);
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case WORLD_SURFACE -> new Vector3f(0.0F, 0.7F, 0.0F);
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case OCEAN_FLOOR -> new Vector3f(0.0F, 0.0F, 0.5F);
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case MOTION_BLOCKING -> new Vector3f(0.0F, 0.3F, 0.3F);
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case MOTION_BLOCKING_NO_LEAVES -> new Vector3f(0.0F, 0.5F, 0.5F);
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};
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}
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}
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