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File size: 16,222 Bytes
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package net.minecraft.client.renderer;
import com.mojang.blaze3d.buffers.BufferUsage;
import com.mojang.blaze3d.platform.NativeImage;
import com.mojang.blaze3d.systems.RenderSystem;
import com.mojang.blaze3d.vertex.BufferBuilder;
import com.mojang.blaze3d.vertex.MeshData;
import com.mojang.blaze3d.vertex.Tesselator;
import com.mojang.blaze3d.vertex.VertexBuffer;
import com.mojang.logging.LogUtils;
import java.io.IOException;
import java.io.InputStream;
import java.util.Optional;
import javax.annotation.Nullable;
import net.minecraft.client.CloudStatus;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.server.packs.resources.ResourceManager;
import net.minecraft.server.packs.resources.SimplePreparableReloadListener;
import net.minecraft.util.ARGB;
import net.minecraft.util.Mth;
import net.minecraft.util.profiling.ProfilerFiller;
import net.minecraft.world.phys.Vec3;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;
import org.joml.Matrix4f;
import org.slf4j.Logger;
@OnlyIn(Dist.CLIENT)
public class CloudRenderer extends SimplePreparableReloadListener<Optional<CloudRenderer.TextureData>> implements AutoCloseable {
private static final Logger LOGGER = LogUtils.getLogger();
private static final ResourceLocation TEXTURE_LOCATION = ResourceLocation.withDefaultNamespace("textures/environment/clouds.png");
private static final float CELL_SIZE_IN_BLOCKS = 12.0F;
private static final float HEIGHT_IN_BLOCKS = 4.0F;
private static final float BLOCKS_PER_SECOND = 0.6F;
private static final long EMPTY_CELL = 0L;
private static final int COLOR_OFFSET = 4;
private static final int NORTH_OFFSET = 3;
private static final int EAST_OFFSET = 2;
private static final int SOUTH_OFFSET = 1;
private static final int WEST_OFFSET = 0;
private boolean needsRebuild = true;
private int prevCellX = Integer.MIN_VALUE;
private int prevCellZ = Integer.MIN_VALUE;
private CloudRenderer.RelativeCameraPos prevRelativeCameraPos = CloudRenderer.RelativeCameraPos.INSIDE_CLOUDS;
@Nullable
private CloudStatus prevType;
@Nullable
private CloudRenderer.TextureData texture;
private final VertexBuffer vertexBuffer = new VertexBuffer(BufferUsage.STATIC_WRITE);
private boolean vertexBufferEmpty;
protected Optional<CloudRenderer.TextureData> prepare(ResourceManager p_361257_, ProfilerFiller p_362196_) {
try {
Optional optional;
try (
InputStream inputstream = p_361257_.open(TEXTURE_LOCATION);
NativeImage nativeimage = NativeImage.read(inputstream);
) {
int i = nativeimage.getWidth();
int j = nativeimage.getHeight();
long[] along = new long[i * j];
for (int k = 0; k < j; k++) {
for (int l = 0; l < i; l++) {
int i1 = nativeimage.getPixel(l, k);
if (isCellEmpty(i1)) {
along[l + k * i] = 0L;
} else {
boolean flag = isCellEmpty(nativeimage.getPixel(l, Math.floorMod(k - 1, j)));
boolean flag1 = isCellEmpty(nativeimage.getPixel(Math.floorMod(l + 1, j), k));
boolean flag2 = isCellEmpty(nativeimage.getPixel(l, Math.floorMod(k + 1, j)));
boolean flag3 = isCellEmpty(nativeimage.getPixel(Math.floorMod(l - 1, j), k));
along[l + k * i] = packCellData(i1, flag, flag1, flag2, flag3);
}
}
}
optional = Optional.of(new CloudRenderer.TextureData(along, i, j));
}
return optional;
} catch (IOException ioexception) {
LOGGER.error("Failed to load cloud texture", (Throwable)ioexception);
return Optional.empty();
}
}
protected void apply(Optional<CloudRenderer.TextureData> p_370042_, ResourceManager p_368869_, ProfilerFiller p_367795_) {
this.texture = p_370042_.orElse(null);
this.needsRebuild = true;
}
private static boolean isCellEmpty(int p_366824_) {
return ARGB.alpha(p_366824_) < 10;
}
private static long packCellData(int p_364599_, boolean p_362267_, boolean p_364671_, boolean p_363926_, boolean p_361986_) {
return (long)p_364599_ << 4
| (long)((p_362267_ ? 1 : 0) << 3)
| (long)((p_364671_ ? 1 : 0) << 2)
| (long)((p_363926_ ? 1 : 0) << 1)
| (long)((p_361986_ ? 1 : 0) << 0);
}
private static int getColor(long p_362131_) {
return (int)(p_362131_ >> 4 & 4294967295L);
}
private static boolean isNorthEmpty(long p_369910_) {
return (p_369910_ >> 3 & 1L) != 0L;
}
private static boolean isEastEmpty(long p_365859_) {
return (p_365859_ >> 2 & 1L) != 0L;
}
private static boolean isSouthEmpty(long p_362752_) {
return (p_362752_ >> 1 & 1L) != 0L;
}
private static boolean isWestEmpty(long p_366272_) {
return (p_366272_ >> 0 & 1L) != 0L;
}
public void render(int p_369834_, CloudStatus p_363277_, float p_367079_, Matrix4f p_369388_, Matrix4f p_361189_, Vec3 p_367264_, float p_364211_) {
if (this.texture != null) {
float f = (float)((double)p_367079_ - p_367264_.y);
float f1 = f + 4.0F;
CloudRenderer.RelativeCameraPos cloudrenderer$relativecamerapos;
if (f1 < 0.0F) {
cloudrenderer$relativecamerapos = CloudRenderer.RelativeCameraPos.ABOVE_CLOUDS;
} else if (f > 0.0F) {
cloudrenderer$relativecamerapos = CloudRenderer.RelativeCameraPos.BELOW_CLOUDS;
} else {
cloudrenderer$relativecamerapos = CloudRenderer.RelativeCameraPos.INSIDE_CLOUDS;
}
double d0 = p_367264_.x + (double)(p_364211_ * 0.030000001F);
double d1 = p_367264_.z + 3.96F;
double d2 = (double)this.texture.width * 12.0;
double d3 = (double)this.texture.height * 12.0;
d0 -= (double)Mth.floor(d0 / d2) * d2;
d1 -= (double)Mth.floor(d1 / d3) * d3;
int i = Mth.floor(d0 / 12.0);
int j = Mth.floor(d1 / 12.0);
float f2 = (float)(d0 - (double)((float)i * 12.0F));
float f3 = (float)(d1 - (double)((float)j * 12.0F));
RenderType rendertype = p_363277_ == CloudStatus.FANCY ? RenderType.clouds() : RenderType.flatClouds();
this.vertexBuffer.bind();
if (this.needsRebuild
|| i != this.prevCellX
|| j != this.prevCellZ
|| cloudrenderer$relativecamerapos != this.prevRelativeCameraPos
|| p_363277_ != this.prevType) {
this.needsRebuild = false;
this.prevCellX = i;
this.prevCellZ = j;
this.prevRelativeCameraPos = cloudrenderer$relativecamerapos;
this.prevType = p_363277_;
MeshData meshdata = this.buildMesh(Tesselator.getInstance(), i, j, p_363277_, cloudrenderer$relativecamerapos, rendertype);
if (meshdata != null) {
this.vertexBuffer.upload(meshdata);
this.vertexBufferEmpty = false;
} else {
this.vertexBufferEmpty = true;
}
}
if (!this.vertexBufferEmpty) {
RenderSystem.setShaderColor(ARGB.redFloat(p_369834_), ARGB.greenFloat(p_369834_), ARGB.blueFloat(p_369834_), 1.0F);
if (p_363277_ == CloudStatus.FANCY) {
this.drawWithRenderType(RenderType.cloudsDepthOnly(), p_369388_, p_361189_, f2, f, f3);
}
this.drawWithRenderType(rendertype, p_369388_, p_361189_, f2, f, f3);
VertexBuffer.unbind();
RenderSystem.setShaderColor(1.0F, 1.0F, 1.0F, 1.0F);
}
}
}
private void drawWithRenderType(RenderType p_363350_, Matrix4f p_367527_, Matrix4f p_365707_, float p_363452_, float p_363001_, float p_369823_) {
p_363350_.setupRenderState();
CompiledShaderProgram compiledshaderprogram = RenderSystem.getShader();
if (compiledshaderprogram != null && compiledshaderprogram.MODEL_OFFSET != null) {
compiledshaderprogram.MODEL_OFFSET.set(-p_363452_, p_363001_, -p_369823_);
}
this.vertexBuffer.drawWithShader(p_367527_, p_365707_, compiledshaderprogram);
p_363350_.clearRenderState();
}
@Nullable
private MeshData buildMesh(
Tesselator p_369688_, int p_363487_, int p_363111_, CloudStatus p_369576_, CloudRenderer.RelativeCameraPos p_366327_, RenderType p_364317_
) {
float f = 0.8F;
int i = ARGB.colorFromFloat(0.8F, 1.0F, 1.0F, 1.0F);
int j = ARGB.colorFromFloat(0.8F, 0.9F, 0.9F, 0.9F);
int k = ARGB.colorFromFloat(0.8F, 0.7F, 0.7F, 0.7F);
int l = ARGB.colorFromFloat(0.8F, 0.8F, 0.8F, 0.8F);
BufferBuilder bufferbuilder = p_369688_.begin(p_364317_.mode(), p_364317_.format());
this.buildMesh(p_366327_, bufferbuilder, p_363487_, p_363111_, k, i, j, l, p_369576_ == CloudStatus.FANCY);
return bufferbuilder.build();
}
private void buildMesh(
CloudRenderer.RelativeCameraPos p_369002_,
BufferBuilder p_368338_,
int p_362583_,
int p_363426_,
int p_366474_,
int p_363821_,
int p_368216_,
int p_370211_,
boolean p_369773_
) {
if (this.texture != null) {
int i = 32;
long[] along = this.texture.cells;
int j = this.texture.width;
int k = this.texture.height;
for (int l = -32; l <= 32; l++) {
for (int i1 = -32; i1 <= 32; i1++) {
int j1 = Math.floorMod(p_362583_ + i1, j);
int k1 = Math.floorMod(p_363426_ + l, k);
long l1 = along[j1 + k1 * j];
if (l1 != 0L) {
int i2 = getColor(l1);
if (p_369773_) {
this.buildExtrudedCell(
p_369002_,
p_368338_,
ARGB.multiply(p_366474_, i2),
ARGB.multiply(p_363821_, i2),
ARGB.multiply(p_368216_, i2),
ARGB.multiply(p_370211_, i2),
i1,
l,
l1
);
} else {
this.buildFlatCell(p_368338_, ARGB.multiply(p_363821_, i2), i1, l);
}
}
}
}
}
}
private void buildFlatCell(BufferBuilder p_362581_, int p_362314_, int p_368834_, int p_364116_) {
float f = (float)p_368834_ * 12.0F;
float f1 = f + 12.0F;
float f2 = (float)p_364116_ * 12.0F;
float f3 = f2 + 12.0F;
p_362581_.addVertex(f, 0.0F, f2).setColor(p_362314_);
p_362581_.addVertex(f, 0.0F, f3).setColor(p_362314_);
p_362581_.addVertex(f1, 0.0F, f3).setColor(p_362314_);
p_362581_.addVertex(f1, 0.0F, f2).setColor(p_362314_);
}
private void buildExtrudedCell(
CloudRenderer.RelativeCameraPos p_361197_,
BufferBuilder p_364242_,
int p_363655_,
int p_363819_,
int p_369270_,
int p_370048_,
int p_360917_,
int p_364085_,
long p_369137_
) {
float f = (float)p_360917_ * 12.0F;
float f1 = f + 12.0F;
float f2 = 0.0F;
float f3 = 4.0F;
float f4 = (float)p_364085_ * 12.0F;
float f5 = f4 + 12.0F;
if (p_361197_ != CloudRenderer.RelativeCameraPos.BELOW_CLOUDS) {
p_364242_.addVertex(f, 4.0F, f4).setColor(p_363819_);
p_364242_.addVertex(f, 4.0F, f5).setColor(p_363819_);
p_364242_.addVertex(f1, 4.0F, f5).setColor(p_363819_);
p_364242_.addVertex(f1, 4.0F, f4).setColor(p_363819_);
}
if (p_361197_ != CloudRenderer.RelativeCameraPos.ABOVE_CLOUDS) {
p_364242_.addVertex(f1, 0.0F, f4).setColor(p_363655_);
p_364242_.addVertex(f1, 0.0F, f5).setColor(p_363655_);
p_364242_.addVertex(f, 0.0F, f5).setColor(p_363655_);
p_364242_.addVertex(f, 0.0F, f4).setColor(p_363655_);
}
if (isNorthEmpty(p_369137_) && p_364085_ > 0) {
p_364242_.addVertex(f, 0.0F, f4).setColor(p_370048_);
p_364242_.addVertex(f, 4.0F, f4).setColor(p_370048_);
p_364242_.addVertex(f1, 4.0F, f4).setColor(p_370048_);
p_364242_.addVertex(f1, 0.0F, f4).setColor(p_370048_);
}
if (isSouthEmpty(p_369137_) && p_364085_ < 0) {
p_364242_.addVertex(f1, 0.0F, f5).setColor(p_370048_);
p_364242_.addVertex(f1, 4.0F, f5).setColor(p_370048_);
p_364242_.addVertex(f, 4.0F, f5).setColor(p_370048_);
p_364242_.addVertex(f, 0.0F, f5).setColor(p_370048_);
}
if (isWestEmpty(p_369137_) && p_360917_ > 0) {
p_364242_.addVertex(f, 0.0F, f5).setColor(p_369270_);
p_364242_.addVertex(f, 4.0F, f5).setColor(p_369270_);
p_364242_.addVertex(f, 4.0F, f4).setColor(p_369270_);
p_364242_.addVertex(f, 0.0F, f4).setColor(p_369270_);
}
if (isEastEmpty(p_369137_) && p_360917_ < 0) {
p_364242_.addVertex(f1, 0.0F, f4).setColor(p_369270_);
p_364242_.addVertex(f1, 4.0F, f4).setColor(p_369270_);
p_364242_.addVertex(f1, 4.0F, f5).setColor(p_369270_);
p_364242_.addVertex(f1, 0.0F, f5).setColor(p_369270_);
}
boolean flag = Math.abs(p_360917_) <= 1 && Math.abs(p_364085_) <= 1;
if (flag) {
p_364242_.addVertex(f1, 4.0F, f4).setColor(p_363819_);
p_364242_.addVertex(f1, 4.0F, f5).setColor(p_363819_);
p_364242_.addVertex(f, 4.0F, f5).setColor(p_363819_);
p_364242_.addVertex(f, 4.0F, f4).setColor(p_363819_);
p_364242_.addVertex(f, 0.0F, f4).setColor(p_363655_);
p_364242_.addVertex(f, 0.0F, f5).setColor(p_363655_);
p_364242_.addVertex(f1, 0.0F, f5).setColor(p_363655_);
p_364242_.addVertex(f1, 0.0F, f4).setColor(p_363655_);
p_364242_.addVertex(f1, 0.0F, f4).setColor(p_370048_);
p_364242_.addVertex(f1, 4.0F, f4).setColor(p_370048_);
p_364242_.addVertex(f, 4.0F, f4).setColor(p_370048_);
p_364242_.addVertex(f, 0.0F, f4).setColor(p_370048_);
p_364242_.addVertex(f, 0.0F, f5).setColor(p_370048_);
p_364242_.addVertex(f, 4.0F, f5).setColor(p_370048_);
p_364242_.addVertex(f1, 4.0F, f5).setColor(p_370048_);
p_364242_.addVertex(f1, 0.0F, f5).setColor(p_370048_);
p_364242_.addVertex(f, 0.0F, f4).setColor(p_369270_);
p_364242_.addVertex(f, 4.0F, f4).setColor(p_369270_);
p_364242_.addVertex(f, 4.0F, f5).setColor(p_369270_);
p_364242_.addVertex(f, 0.0F, f5).setColor(p_369270_);
p_364242_.addVertex(f1, 0.0F, f5).setColor(p_369270_);
p_364242_.addVertex(f1, 4.0F, f5).setColor(p_369270_);
p_364242_.addVertex(f1, 4.0F, f4).setColor(p_369270_);
p_364242_.addVertex(f1, 0.0F, f4).setColor(p_369270_);
}
}
public void markForRebuild() {
this.needsRebuild = true;
}
@Override
public void close() {
this.vertexBuffer.close();
}
@OnlyIn(Dist.CLIENT)
static enum RelativeCameraPos {
ABOVE_CLOUDS,
INSIDE_CLOUDS,
BELOW_CLOUDS;
}
@OnlyIn(Dist.CLIENT)
public static record TextureData(long[] cells, int width, int height) {
}
} |