Lighting.java

com.mojang.blaze3d.platform.Lighting

信息

• 全限定名：com.mojang.blaze3d.platform.Lighting
• 类型：public class
• 包：com.mojang.blaze3d.platform
• 源码路径：src/main/java/com/mojang/blaze3d/platform/Lighting.java
• 起始行号：L18
• 实现：AutoCloseable
• 职责：

  TODO

字段/常量

• DIFFUSE_LIGHT_0

  • 类型: Vector3f
  • 修饰符: private static final
  • 源码定位: L19
  • 说明:

    TODO

• DIFFUSE_LIGHT_1

  • 类型: Vector3f
  • 修饰符: private static final
  • 源码定位: L20
  • 说明:

    TODO

• NETHER_DIFFUSE_LIGHT_0

  • 类型: Vector3f
  • 修饰符: private static final
  • 源码定位: L21
  • 说明:

    TODO

• NETHER_DIFFUSE_LIGHT_1

  • 类型: Vector3f
  • 修饰符: private static final
  • 源码定位: L22
  • 说明:

    TODO

• INVENTORY_DIFFUSE_LIGHT_0

  • 类型: Vector3f
  • 修饰符: private static final
  • 源码定位: L23
  • 说明:

    TODO

• INVENTORY_DIFFUSE_LIGHT_1

  • 类型: Vector3f
  • 修饰符: private static final
  • 源码定位: L24
  • 说明:

    TODO

• UBO_SIZE

  • 类型: int
  • 修饰符: public static final
  • 源码定位: L25
  • 说明:

    TODO

• buffer

  • 类型: GpuBuffer
  • 修饰符: private final
  • 源码定位: L26
  • 说明:

    TODO

• paddedSize

  • 类型: long
  • 修饰符: private final
  • 源码定位: L27
  • 说明:

    TODO

内部类/嵌套类型

• com.mojang.blaze3d.platform.Lighting.Entry
  • 类型: enum
  • 修饰符: public static
  • 源码定位: L84
  • 说明:

    TODO

构造器

public Lighting() @ L29

• 构造器名：Lighting
• 源码定位：L29
• 修饰符：public

参数:

• 无

说明:

TODO

方法

下面的方法块按源码顺序生成。

public void updateLevel(CardinalLighting.Type type) @ L57

• 方法名：updateLevel
• 源码定位：L57
• 返回类型：void
• 修饰符：public

参数:

• type: CardinalLighting.Type

说明:

TODO

private void updateBuffer(Lighting.Entry entry, Vector3f light0, Vector3f light1) @ L67

• 方法名：updateBuffer
• 源码定位：L67
• 返回类型：void
• 修饰符：private

参数:

• entry: Lighting.Entry
• light0: Vector3f
• light1: Vector3f

说明:

TODO

public void setupFor(Lighting.Entry entry) @ L74

• 方法名：setupFor
• 源码定位：L74
• 返回类型：void
• 修饰符：public

参数:

• entry: Lighting.Entry

说明:

TODO

public void close() @ L78

• 方法名：close
• 源码定位：L78
• 返回类型：void
• 修饰符：public

参数:

• 无

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public class Lighting implements AutoCloseable {
    private static final Vector3f DIFFUSE_LIGHT_0 = new Vector3f(0.2F, 1.0F, -0.7F).normalize();
    private static final Vector3f DIFFUSE_LIGHT_1 = new Vector3f(-0.2F, 1.0F, 0.7F).normalize();
    private static final Vector3f NETHER_DIFFUSE_LIGHT_0 = new Vector3f(0.2F, 1.0F, -0.7F).normalize();
    private static final Vector3f NETHER_DIFFUSE_LIGHT_1 = new Vector3f(-0.2F, -1.0F, 0.7F).normalize();
    private static final Vector3f INVENTORY_DIFFUSE_LIGHT_0 = new Vector3f(0.2F, -1.0F, 1.0F).normalize();
    private static final Vector3f INVENTORY_DIFFUSE_LIGHT_1 = new Vector3f(-0.2F, -1.0F, 0.0F).normalize();
    public static final int UBO_SIZE = new Std140SizeCalculator().putVec3().putVec3().get();
    private final GpuBuffer buffer;
    private final long paddedSize;
 
    public Lighting() {
        GpuDevice device = RenderSystem.getDevice();
        this.paddedSize = Mth.roundToward(UBO_SIZE, device.getUniformOffsetAlignment());
        this.buffer = device.createBuffer(() -> "Lighting UBO", 136, this.paddedSize * Lighting.Entry.values().length);
        Matrix4f flatPose = new Matrix4f().rotationY((float) (-Math.PI / 8)).rotateX((float) (Math.PI * 3.0 / 4.0));
        this.updateBuffer(
            Lighting.Entry.ITEMS_FLAT,
            flatPose.transformDirection(DIFFUSE_LIGHT_0, new Vector3f()),
            flatPose.transformDirection(DIFFUSE_LIGHT_1, new Vector3f())
        );
        Matrix4f item3DPose = new Matrix4f()
            .scaling(1.0F, -1.0F, 1.0F)
            .rotateYXZ(1.0821041F, 3.2375858F, 0.0F)
            .rotateYXZ((float) (-Math.PI / 8), (float) (Math.PI * 3.0 / 4.0), 0.0F);
        this.updateBuffer(
            Lighting.Entry.ITEMS_3D,
            item3DPose.transformDirection(DIFFUSE_LIGHT_0, new Vector3f()),
            item3DPose.transformDirection(DIFFUSE_LIGHT_1, new Vector3f())
        );
        this.updateBuffer(Lighting.Entry.ENTITY_IN_UI, INVENTORY_DIFFUSE_LIGHT_0, INVENTORY_DIFFUSE_LIGHT_1);
        Matrix4f playerSkinPose = new Matrix4f();
        this.updateBuffer(
            Lighting.Entry.PLAYER_SKIN,
            playerSkinPose.transformDirection(INVENTORY_DIFFUSE_LIGHT_0, new Vector3f()),
            playerSkinPose.transformDirection(INVENTORY_DIFFUSE_LIGHT_1, new Vector3f())
        );
    }
 
    public void updateLevel(CardinalLighting.Type type) {
        switch (type) {
            case DEFAULT:
                this.updateBuffer(Lighting.Entry.LEVEL, DIFFUSE_LIGHT_0, DIFFUSE_LIGHT_1);
                break;
            case NETHER:
                this.updateBuffer(Lighting.Entry.LEVEL, NETHER_DIFFUSE_LIGHT_0, NETHER_DIFFUSE_LIGHT_1);
        }
    }
 
    private void updateBuffer(Lighting.Entry entry, Vector3f light0, Vector3f light1) {
        try (MemoryStack stack = MemoryStack.stackPush()) {
            ByteBuffer byteBuffer = Std140Builder.onStack(stack, UBO_SIZE).putVec3(light0).putVec3(light1).get();
            RenderSystem.getDevice().createCommandEncoder().writeToBuffer(this.buffer.slice(entry.ordinal() * this.paddedSize, this.paddedSize), byteBuffer);
        }
    }
 
    public void setupFor(Lighting.Entry entry) {
        RenderSystem.setShaderLights(this.buffer.slice(entry.ordinal() * this.paddedSize, UBO_SIZE));
    }
 
    @Override
    public void close() {
        this.buffer.close();
    }
 
    @OnlyIn(Dist.CLIENT)
    public static enum Entry {
        LEVEL,
        ITEMS_FLAT,
        ITEMS_3D,
        ENTITY_IN_UI,
        PLAYER_SKIN;
    }
}

引用的其他类

• GpuBuffer

  • 引用位置: 字段

• Std140Builder

  • 引用位置: 方法调用
  • 关联成员: Std140Builder.onStack()

• 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.setShaderLights()

• Mth

  • 引用位置: 方法调用
  • 关联成员: Mth.roundToward()

• CardinalLighting

  • 引用位置: 参数