Quartz 4

PictureInPictureRenderer.java

5 min read

PictureInPictureRenderer.java

net.minecraft.client.gui.render.pip.PictureInPictureRenderer

信息

  • 全限定名：net.minecraft.client.gui.render.pip.PictureInPictureRenderer
  • 类型：public abstract class
  • 包：net.minecraft.client.gui.render.pip
  • 源码路径：src/main/java/net/minecraft/client/gui/render/pip/PictureInPictureRenderer.java
  • 起始行号：L24
  • 实现：AutoCloseable
  • 职责：

    TODO

字段/常量

  • bufferSource

    • 类型: MultiBufferSource.BufferSource
    • 修饰符: protected final
    • 源码定位: L25
    • 说明:

      TODO

  • texture

    • 类型: GpuTexture
    • 修饰符: private
    • 源码定位: L26
    • 说明:

      TODO

  • textureView

    • 类型: GpuTextureView
    • 修饰符: private
    • 源码定位: L27
    • 说明:

      TODO

  • depthTexture

    • 类型: GpuTexture
    • 修饰符: private
    • 源码定位: L28
    • 说明:

      TODO

  • depthTextureView

    • 类型: GpuTextureView
    • 修饰符: private
    • 源码定位: L29
    • 说明:

      TODO

  • projection

    • 类型: Projection
    • 修饰符: private final
    • 源码定位: L30
    • 说明:

      TODO

  • projectionMatrixBuffer

    • 类型: ProjectionMatrixBuffer
    • 修饰符: private final
    • 源码定位: L31
    • 说明:

      TODO

内部类/嵌套类型

  • 无

构造器

protected PictureInPictureRenderer(MultiBufferSource.BufferSource bufferSource) @ L33

  • 构造器名：PictureInPictureRenderer
  • 源码定位：L33
  • 修饰符：protected

参数:

  • bufferSource: MultiBufferSource.BufferSource

说明:

TODO

方法

下面的方法块按源码顺序生成。

public void prepare(T renderState, GuiRenderState guiRenderState, int guiScale) @ L37

  • 方法名：prepare
  • 源码定位：L37
  • 返回类型：void
  • 修饰符：public

参数:

  • renderState: T
  • guiRenderState: GuiRenderState
  • guiScale: int

说明:

TODO

protected void blitTexture(T renderState, GuiRenderState guiRenderState) @ L59

  • 方法名：blitTexture
  • 源码定位：L59
  • 返回类型：void
  • 修饰符：protected

参数:

  • renderState: T
  • guiRenderState: GuiRenderState

说明:

TODO

private void prepareTexturesAndProjection(boolean needsAResize, int width, int height) @ L80

  • 方法名：prepareTexturesAndProjection
  • 源码定位：L80
  • 返回类型：void
  • 修饰符：private

参数:

  • needsAResize: boolean
  • width: int
  • height: int

说明:

TODO

protected boolean textureIsReadyToBlit(T renderState) @ L105

  • 方法名：textureIsReadyToBlit
  • 源码定位：L105
  • 返回类型：boolean
  • 修饰符：protected

参数:

  • renderState: T

说明:

TODO

protected float getTranslateY(int height, int guiScale) @ L109

  • 方法名：getTranslateY
  • 源码定位：L109
  • 返回类型：float
  • 修饰符：protected

参数:

  • height: int
  • guiScale: int

说明:

TODO

public void close() @ L113

  • 方法名：close
  • 源码定位：L113
  • 返回类型：void
  • 修饰符：public

参数:

  • 无

说明:

TODO

public abstract Class<T> getRenderStateClass() @ L134

  • 方法名：getRenderStateClass
  • 源码定位：L134
  • 返回类型：Class
  • 修饰符：public abstract

参数:

  • 无

说明:

TODO

protected abstract void renderToTexture(T renderState, PoseStack poseStack) @ L136

  • 方法名：renderToTexture
  • 源码定位：L136
  • 返回类型：void
  • 修饰符：protected abstract

参数:

  • renderState: T
  • poseStack: PoseStack

说明:

TODO

protected abstract String getTextureLabel() @ L138

  • 方法名：getTextureLabel
  • 源码定位：L138
  • 返回类型：String
  • 修饰符：protected abstract

参数:

  • 无

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public abstract class PictureInPictureRenderer<T extends PictureInPictureRenderState> implements AutoCloseable {
    protected final MultiBufferSource.BufferSource bufferSource;
    private @Nullable GpuTexture texture;
    private @Nullable GpuTextureView textureView;
    private @Nullable GpuTexture depthTexture;
    private @Nullable GpuTextureView depthTextureView;
    private final Projection projection = new Projection();
    private final ProjectionMatrixBuffer projectionMatrixBuffer = new ProjectionMatrixBuffer("PIP - " + this.getClass().getSimpleName());
 
    protected PictureInPictureRenderer(MultiBufferSource.BufferSource bufferSource) {
        this.bufferSource = bufferSource;
    }
 
    public void prepare(T renderState, GuiRenderState guiRenderState, int guiScale) {
        int width = (renderState.x1() - renderState.x0()) * guiScale;
        int height = (renderState.y1() - renderState.y0()) * guiScale;
        boolean needsAResize = this.texture == null || this.texture.getWidth(0) != width || this.texture.getHeight(0) != height;
        if (!needsAResize && this.textureIsReadyToBlit(renderState)) {
            this.blitTexture(renderState, guiRenderState);
        } else {
            this.prepareTexturesAndProjection(needsAResize, width, height);
            RenderSystem.outputColorTextureOverride = this.textureView;
            RenderSystem.outputDepthTextureOverride = this.depthTextureView;
            PoseStack poseStack = new PoseStack();
            poseStack.translate(width / 2.0F, this.getTranslateY(height, guiScale), 0.0F);
            float scale = guiScale * renderState.scale();
            poseStack.scale(scale, scale, -scale);
            this.renderToTexture(renderState, poseStack);
            this.bufferSource.endBatch();
            RenderSystem.outputColorTextureOverride = null;
            RenderSystem.outputDepthTextureOverride = null;
            this.blitTexture(renderState, guiRenderState);
        }
    }
 
    protected void blitTexture(T renderState, GuiRenderState guiRenderState) {
        guiRenderState.addBlitToCurrentLayer(
            new BlitRenderState(
                RenderPipelines.GUI_TEXTURED_PREMULTIPLIED_ALPHA,
                TextureSetup.singleTexture(this.textureView, RenderSystem.getSamplerCache().getRepeat(FilterMode.NEAREST)),
                renderState.pose(),
                renderState.x0(),
                renderState.y0(),
                renderState.x1(),
                renderState.y1(),
                0.0F,
                1.0F,
                1.0F,
                0.0F,
                -1,
                renderState.scissorArea(),
                null
            )
        );
    }
 
    private void prepareTexturesAndProjection(boolean needsAResize, int width, int height) {
        if (this.texture != null && needsAResize) {
            this.texture.close();
            this.texture = null;
            this.textureView.close();
            this.textureView = null;
            this.depthTexture.close();
            this.depthTexture = null;
            this.depthTextureView.close();
            this.depthTextureView = null;
        }
 
        GpuDevice device = RenderSystem.getDevice();
        if (this.texture == null) {
            this.texture = device.createTexture(() -> "UI " + this.getTextureLabel() + " texture", 13, TextureFormat.RGBA8, width, height, 1, 1);
            this.textureView = device.createTextureView(this.texture);
            this.depthTexture = device.createTexture(() -> "UI " + this.getTextureLabel() + " depth texture", 9, TextureFormat.DEPTH32, width, height, 1, 1);
            this.depthTextureView = device.createTextureView(this.depthTexture);
        }
 
        device.createCommandEncoder().clearColorAndDepthTextures(this.texture, 0, this.depthTexture, 1.0);
        this.projection.setupOrtho(-1000.0F, 1000.0F, width, height, true);
        RenderSystem.setProjectionMatrix(this.projectionMatrixBuffer.getBuffer(this.projection), ProjectionType.ORTHOGRAPHIC);
    }
 
    protected boolean textureIsReadyToBlit(T renderState) {
        return false;
    }
 
    protected float getTranslateY(int height, int guiScale) {
        return height;
    }
 
    @Override
    public void close() {
        if (this.texture != null) {
            this.texture.close();
        }
 
        if (this.textureView != null) {
            this.textureView.close();
        }
 
        if (this.depthTexture != null) {
            this.depthTexture.close();
        }
 
        if (this.depthTextureView != null) {
            this.depthTextureView.close();
        }
 
        this.projectionMatrixBuffer.close();
    }
 
    public abstract Class<T> getRenderStateClass();
 
    protected abstract void renderToTexture(final T renderState, final PoseStack poseStack);
 
    protected abstract String getTextureLabel();
}

引用的其他类

  • RenderSystem

    • 引用位置: 方法调用
    • 关联成员: RenderSystem.getDevice(), RenderSystem.getSamplerCache(), RenderSystem.setProjectionMatrix()

  • GpuTexture

    • 引用位置: 字段

  • GpuTextureView

    • 引用位置: 字段

  • PoseStack

    • 引用位置: 参数/构造调用
    • 关联成员: PoseStack()

  • TextureSetup

    • 引用位置: 方法调用
    • 关联成员: TextureSetup.singleTexture()

  • MultiBufferSource

    • 引用位置: 参数/字段

  • Projection

    • 引用位置: 字段/构造调用
    • 关联成员: Projection()

  • ProjectionMatrixBuffer

    • 引用位置: 字段/构造调用
    • 关联成员: ProjectionMatrixBuffer()

  • BlitRenderState

    • 引用位置: 构造调用
    • 关联成员: BlitRenderState()

  • GuiRenderState

    • 引用位置: 参数

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