FogRenderer.java

net.minecraft.client.renderer.fog.FogRenderer

信息

全限定名：net.minecraft.client.renderer.fog.FogRenderer
类型：public class
包：net.minecraft.client.renderer.fog
源码路径：src/main/java/net/minecraft/client/renderer/fog/FogRenderer.java
起始行号：L37
实现：AutoCloseable
职责：

TODO

字段/常量

FOG_UBO_SIZE
- 类型: int
- 修饰符: public static final
- 源码定位: L38
- 说明:
  
  TODO
FOG_ENVIRONMENTS
- 类型: List<FogEnvironment>
- 修饰符: private static final
- 源码定位: L39
- 说明:
  
  TODO
fogEnabled
- 类型: boolean
- 修饰符: private static
- 源码定位: L47
- 说明:
  
  TODO
emptyBuffer
- 类型: GpuBuffer
- 修饰符: private final
- 源码定位: L48
- 说明:
  
  TODO
regularBuffer
- 类型: MappableRingBuffer
- 修饰符: private final
- 源码定位: L49
- 说明:
  
  TODO

内部类/嵌套类型

net.minecraft.client.renderer.fog.FogRenderer.FogMode
- 类型: enum
- 修饰符: public static
- 源码定位: L227
- 说明:
  
  TODO

构造器

`public FogRenderer()` @ `L51`

构造器名：FogRenderer
源码定位：L51
修饰符：public

参数:

说明:

方法

`public void close()` @ `L66`

方法名：close
源码定位：L66
返回类型：void
修饰符：public

参数:

说明:

`public void endFrame()` @ `L72`

方法名：endFrame
源码定位：L72
返回类型：void
修饰符：public

参数:

说明:

`public GpuBufferSlice getBuffer(FogRenderer.FogMode mode)` @ `L76`

方法名：getBuffer
源码定位：L76
返回类型：GpuBufferSlice
修饰符：public

参数:

mode: FogRenderer.FogMode

说明:

`private void computeFogColor(Camera camera, float partialTicks, ClientLevel level, int renderDistance, float darkenWorldAmount, Vector4f dest)` @ `L87`

方法名：computeFogColor
源码定位：L87
返回类型：void
修饰符：private

参数:

camera: Camera
partialTicks: float
level: ClientLevel
renderDistance: int
darkenWorldAmount: float
dest: Vector4f

说明:

`public static boolean toggleFog()` @ `L158`

方法名：toggleFog
源码定位：L158
返回类型：boolean
修饰符：public static

参数:

说明:

`public FogData setupFog(Camera camera, int renderDistanceInChunks, DeltaTracker deltaTracker, float darkenWorldAmount, ClientLevel level)` @ `L162`

方法名：setupFog
源码定位：L162
返回类型：FogData
修饰符：public

参数:

camera: Camera
renderDistanceInChunks: int
deltaTracker: DeltaTracker
darkenWorldAmount: float
level: ClientLevel

说明:

`public void updateBuffer(FogData fog)` @ `L183`

方法名：updateBuffer
源码定位：L183
返回类型：void
修饰符：public

参数:

fog: FogData

说明:

`private FogType getFogType(Camera camera)` @ `L199`

方法名：getFogType
源码定位：L199
返回类型：FogType
修饰符：private

参数:

camera: Camera

说明:

`private void updateBuffer(ByteBuffer byteBuffer, int offset, Vector4f fogColor, float environmentalStart, float environmentalEnd, float renderDistanceStart, float renderDistanceEnd, float skyEnd, float endClouds)` @ `L204`

方法名：updateBuffer
源码定位：L204
返回类型：void
修饰符：private

参数:

byteBuffer: ByteBuffer
offset: int
fogColor: Vector4f
environmentalStart: float
environmentalEnd: float
renderDistanceStart: float
renderDistanceEnd: float
skyEnd: float
endClouds: float

说明:

代码

@OnlyIn(Dist.CLIENT)
public class FogRenderer implements AutoCloseable {
    public static final int FOG_UBO_SIZE = new Std140SizeCalculator().putVec4().putFloat().putFloat().putFloat().putFloat().putFloat().putFloat().get();
    private static final List<FogEnvironment> FOG_ENVIRONMENTS = Lists.newArrayList(
        new LavaFogEnvironment(),
        new PowderedSnowFogEnvironment(),
        new BlindnessFogEnvironment(),
        new DarknessFogEnvironment(),
        new WaterFogEnvironment(),
        new AtmosphericFogEnvironment()
    );
    private static boolean fogEnabled = true;
    private final GpuBuffer emptyBuffer;
    private final MappableRingBuffer regularBuffer;
 
    public FogRenderer() {
        GpuDevice device = RenderSystem.getDevice();
        this.regularBuffer = new MappableRingBuffer(() -> "Fog UBO", 130, FOG_UBO_SIZE);
 
        try (MemoryStack stack = MemoryStack.stackPush()) {
            ByteBuffer buffer = stack.malloc(FOG_UBO_SIZE);
            this.updateBuffer(
                buffer, 0, new Vector4f(0.0F), Float.MAX_VALUE, Float.MAX_VALUE, Float.MAX_VALUE, Float.MAX_VALUE, Float.MAX_VALUE, Float.MAX_VALUE
            );
            this.emptyBuffer = device.createBuffer(() -> "Empty fog", 128, buffer.flip());
        }
 
        RenderSystem.setShaderFog(this.getBuffer(FogRenderer.FogMode.NONE));
    }
 
    @Override
    public void close() {
        this.emptyBuffer.close();
        this.regularBuffer.close();
    }
 
    public void endFrame() {
        this.regularBuffer.rotate();
    }
 
    public GpuBufferSlice getBuffer(FogRenderer.FogMode mode) {
        if (!fogEnabled) {
            return this.emptyBuffer.slice(0L, FOG_UBO_SIZE);
        } else {
            return switch (mode) {
                case NONE -> this.emptyBuffer.slice(0L, FOG_UBO_SIZE);
                case WORLD -> this.regularBuffer.currentBuffer().slice(0L, FOG_UBO_SIZE);
            };
        }
    }
 
    private void computeFogColor(Camera camera, float partialTicks, ClientLevel level, int renderDistance, float darkenWorldAmount, Vector4f dest) {
        FogType fogType = this.getFogType(camera);
        Entity entity = camera.entity();
        FogEnvironment colorSourceEnvironment = null;
        FogEnvironment darknessModifyingEnvironment = null;
 
        for (FogEnvironment fogEnvironment : FOG_ENVIRONMENTS) {
            if (fogEnvironment.isApplicable(fogType, entity)) {
                if (colorSourceEnvironment == null && fogEnvironment.providesColor()) {
                    colorSourceEnvironment = fogEnvironment;
                }
 
                if (darknessModifyingEnvironment == null && fogEnvironment.modifiesDarkness()) {
                    darknessModifyingEnvironment = fogEnvironment;
                }
            }
        }
 
        if (colorSourceEnvironment == null) {
            throw new IllegalStateException("No color source environment found");
        } else {
            int color = colorSourceEnvironment.getBaseColor(level, camera, renderDistance, partialTicks);
            float voidDarknessOnsetRange = level.getLevelData().voidDarknessOnsetRange();
            float darkness = Mth.clamp((voidDarknessOnsetRange + level.getMinY() - (float)camera.position().y) / voidDarknessOnsetRange, 0.0F, 1.0F);
            if (darknessModifyingEnvironment != null) {
                LivingEntity livingEntity = (LivingEntity)entity;
                darkness = darknessModifyingEnvironment.getModifiedDarkness(livingEntity, darkness, partialTicks);
            }
 
            float fogRed = ARGB.redFloat(color);
            float fogGreen = ARGB.greenFloat(color);
            float fogBlue = ARGB.blueFloat(color);
            if (darkness > 0.0F && fogType != FogType.LAVA && fogType != FogType.POWDER_SNOW) {
                float brightness = Mth.square(1.0F - darkness);
                fogRed *= brightness;
                fogGreen *= brightness;
                fogBlue *= brightness;
            }
 
            if (darkenWorldAmount > 0.0F) {
                fogRed = Mth.lerp(darkenWorldAmount, fogRed, fogRed * 0.7F);
                fogGreen = Mth.lerp(darkenWorldAmount, fogGreen, fogGreen * 0.6F);
                fogBlue = Mth.lerp(darkenWorldAmount, fogBlue, fogBlue * 0.6F);
            }
 
            float brightenFactor;
            if (fogType == FogType.WATER) {
                if (entity instanceof LocalPlayer) {
                    brightenFactor = ((LocalPlayer)entity).getWaterVision();
                } else {
                    brightenFactor = 1.0F;
                }
            } else if (entity instanceof LivingEntity livingEntity
                && livingEntity.hasEffect(MobEffects.NIGHT_VISION)
                && !livingEntity.hasEffect(MobEffects.DARKNESS)) {
                brightenFactor = GameRenderer.getNightVisionScale(livingEntity, partialTicks);
            } else {
                brightenFactor = 0.0F;
            }
 
            if (fogRed != 0.0F && fogGreen != 0.0F && fogBlue != 0.0F) {
                float targetScale = 1.0F / Math.max(fogRed, Math.max(fogGreen, fogBlue));
                fogRed = Mth.lerp(brightenFactor, fogRed, fogRed * targetScale);
                fogGreen = Mth.lerp(brightenFactor, fogGreen, fogGreen * targetScale);
                fogBlue = Mth.lerp(brightenFactor, fogBlue, fogBlue * targetScale);
            }
 
            dest.set(fogRed, fogGreen, fogBlue, 1.0F);
        }
    }
 
    public static boolean toggleFog() {
        return fogEnabled = !fogEnabled;
    }
 
    public FogData setupFog(Camera camera, int renderDistanceInChunks, DeltaTracker deltaTracker, float darkenWorldAmount, ClientLevel level) {
        float partialTickTime = deltaTracker.getGameTimeDeltaPartialTick(false);
        float renderDistanceInBlocks = renderDistanceInChunks * 16;
        FogType fogType = this.getFogType(camera);
        Entity entity = camera.entity();
        FogData fog = new FogData();
        this.computeFogColor(camera, partialTickTime, level, renderDistanceInChunks, darkenWorldAmount, fog.color);
 
        for (FogEnvironment fogEnvironment : FOG_ENVIRONMENTS) {
            if (fogEnvironment.isApplicable(fogType, entity)) {
                fogEnvironment.setupFog(fog, camera, level, renderDistanceInBlocks, deltaTracker);
                break;
            }
        }
 
        float renderDistanceFogSpan = Mth.clamp(renderDistanceInBlocks / 10.0F, 4.0F, 64.0F);
        fog.renderDistanceStart = renderDistanceInBlocks - renderDistanceFogSpan;
        fog.renderDistanceEnd = renderDistanceInBlocks;
        return fog;
    }
 
    public void updateBuffer(FogData fog) {
        try (GpuBuffer.MappedView view = RenderSystem.getDevice().createCommandEncoder().mapBuffer(this.regularBuffer.currentBuffer(), false, true)) {
            this.updateBuffer(
                view.data(),
                0,
                fog.color,
                fog.environmentalStart,
                fog.environmentalEnd,
                fog.renderDistanceStart,
                fog.renderDistanceEnd,
                fog.skyEnd,
                fog.cloudEnd
            );
        }
    }
 
    private FogType getFogType(Camera camera) {
        FogType blockFogType = camera.getFluidInCamera();
        return blockFogType == FogType.NONE ? FogType.ATMOSPHERIC : blockFogType;
    }
 
    private void updateBuffer(
        ByteBuffer byteBuffer,
        int offset,
        Vector4f fogColor,
        float environmentalStart,
        float environmentalEnd,
        float renderDistanceStart,
        float renderDistanceEnd,
        float skyEnd,
        float endClouds
    ) {
        byteBuffer.position(offset);
        Std140Builder.intoBuffer(byteBuffer)
            .putVec4(fogColor)
            .putFloat(environmentalStart)
            .putFloat(environmentalEnd)
            .putFloat(renderDistanceStart)
            .putFloat(renderDistanceEnd)
            .putFloat(skyEnd)
            .putFloat(endClouds);
    }
 
    @OnlyIn(Dist.CLIENT)
    public static enum FogMode {
        NONE,
        WORLD;
    }
}

引用的其他类

GpuBuffer
- 引用位置: 字段
GpuBufferSlice
- 引用位置: 返回值
Std140Builder
- 引用位置: 方法调用
- 关联成员: Std140Builder.intoBuffer()
Std140SizeCalculator
- 引用位置: 构造调用
- 关联成员: Std140SizeCalculator()
RenderSystem
- 引用位置: 方法调用
- 关联成员: RenderSystem.getDevice(), RenderSystem.setShaderFog()
Camera
- 引用位置: 参数
DeltaTracker
- 引用位置: 参数
ClientLevel
- 引用位置: 参数
GameRenderer
- 引用位置: 方法调用
- 关联成员: GameRenderer.getNightVisionScale()
MappableRingBuffer
- 引用位置: 字段/构造调用
- 关联成员: MappableRingBuffer()
FogData
- 引用位置: 参数/构造调用/返回值
- 关联成员: FogData()
AtmosphericFogEnvironment
- 引用位置: 构造调用
- 关联成员: AtmosphericFogEnvironment()
BlindnessFogEnvironment
- 引用位置: 构造调用
- 关联成员: BlindnessFogEnvironment()
DarknessFogEnvironment
- 引用位置: 构造调用
- 关联成员: DarknessFogEnvironment()
FogEnvironment
- 引用位置: 字段
LavaFogEnvironment
- 引用位置: 构造调用
- 关联成员: LavaFogEnvironment()
PowderedSnowFogEnvironment
- 引用位置: 构造调用
- 关联成员: PowderedSnowFogEnvironment()
WaterFogEnvironment
- 引用位置: 构造调用
- 关联成员: WaterFogEnvironment()
ARGB
- 引用位置: 方法调用
- 关联成员: ARGB.blueFloat(), ARGB.greenFloat(), ARGB.redFloat()
Mth
- 引用位置: 方法调用
- 关联成员: Mth.clamp(), Mth.lerp(), Mth.square()
FogType
- 引用位置: 返回值

Quartz 4

Explorer

FogRenderer.java

FogRenderer.java

net.minecraft.client.renderer.fog.FogRenderer

信息

字段/常量

内部类/嵌套类型

构造器

`public FogRenderer()` @ `L51`

方法

`public void close()` @ `L66`

`public void endFrame()` @ `L72`

`public GpuBufferSlice getBuffer(FogRenderer.FogMode mode)` @ `L76`

`private void computeFogColor(Camera camera, float partialTicks, ClientLevel level, int renderDistance, float darkenWorldAmount, Vector4f dest)` @ `L87`

`public static boolean toggleFog()` @ `L158`

`public FogData setupFog(Camera camera, int renderDistanceInChunks, DeltaTracker deltaTracker, float darkenWorldAmount, ClientLevel level)` @ `L162`

`public void updateBuffer(FogData fog)` @ `L183`

`private FogType getFogType(Camera camera)` @ `L199`

`private void updateBuffer(ByteBuffer byteBuffer, int offset, Vector4f fogColor, float environmentalStart, float environmentalEnd, float renderDistanceStart, float renderDistanceEnd, float skyEnd, float endClouds)` @ `L204`

代码

引用的其他类

Graph View

Table of Contents

Backlinks

Quartz 4

Explorer

FogRenderer.java

FogRenderer.java

net.minecraft.client.renderer.fog.FogRenderer

信息

字段/常量

内部类/嵌套类型

构造器

public FogRenderer() @ L51

方法

public void close() @ L66

public void endFrame() @ L72

public GpuBufferSlice getBuffer(FogRenderer.FogMode mode) @ L76

private void computeFogColor(Camera camera, float partialTicks, ClientLevel level, int renderDistance, float darkenWorldAmount, Vector4f dest) @ L87

public static boolean toggleFog() @ L158

public FogData setupFog(Camera camera, int renderDistanceInChunks, DeltaTracker deltaTracker, float darkenWorldAmount, ClientLevel level) @ L162

public void updateBuffer(FogData fog) @ L183

private FogType getFogType(Camera camera) @ L199

private void updateBuffer(ByteBuffer byteBuffer, int offset, Vector4f fogColor, float environmentalStart, float environmentalEnd, float renderDistanceStart, float renderDistanceEnd, float skyEnd, float endClouds) @ L204

代码

引用的其他类

Graph View

Table of Contents

Backlinks

`public FogRenderer()` @ `L51`

`public void close()` @ `L66`

`public void endFrame()` @ `L72`

`public GpuBufferSlice getBuffer(FogRenderer.FogMode mode)` @ `L76`

`private void computeFogColor(Camera camera, float partialTicks, ClientLevel level, int renderDistance, float darkenWorldAmount, Vector4f dest)` @ `L87`

`public static boolean toggleFog()` @ `L158`

`public FogData setupFog(Camera camera, int renderDistanceInChunks, DeltaTracker deltaTracker, float darkenWorldAmount, ClientLevel level)` @ `L162`

`public void updateBuffer(FogData fog)` @ `L183`

`private FogType getFogType(Camera camera)` @ `L199`

`private void updateBuffer(ByteBuffer byteBuffer, int offset, Vector4f fogColor, float environmentalStart, float environmentalEnd, float renderDistanceStart, float renderDistanceEnd, float skyEnd, float endClouds)` @ `L204`