FontTexture.java

net.minecraft.client.gui.font.FontTexture

信息

• 全限定名：net.minecraft.client.gui.font.FontTexture
• 类型：public class
• 包：net.minecraft.client.gui.font
• 源码路径：src/main/java/net/minecraft/client/gui/font/FontTexture.java
• 起始行号：L21
• 继承：AbstractTexture
• 实现：Dumpable
• 职责：

  TODO

字段/常量

• SIZE

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

    TODO

• renderTypes

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

    TODO

• colored

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

    TODO

• root

  • 类型: FontTexture.Node
  • 修饰符: private final
  • 源码定位: L25
  • 说明:

    TODO

内部类/嵌套类型

• net.minecraft.client.gui.font.FontTexture.Node
  • 类型: class
  • 修饰符: private static
  • 源码定位: L75
  • 说明:

    TODO

构造器

public FontTexture(Supplier<String> label, GlyphRenderTypes renderTypes, boolean colored) @ L27

• 构造器名：FontTexture
• 源码定位：L27
• 修饰符：public

参数:

• label: Supplier
• renderTypes: GlyphRenderTypes
• colored: boolean

说明:

TODO

方法

下面的方法块按源码顺序生成。

public BakedSheetGlyph add(GlyphInfo info, GlyphBitmap glyph) @ L37

• 方法名：add
• 源码定位：L37
• 返回类型：BakedSheetGlyph
• 修饰符：public

参数:

• info: GlyphInfo
• glyph: GlyphBitmap

说明:

TODO

public void dumpContents(Identifier selfId, Path dir) @ L66

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

参数:

• selfId: Identifier
• dir: Path

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public class FontTexture extends AbstractTexture implements Dumpable {
    private static final int SIZE = 256;
    private final GlyphRenderTypes renderTypes;
    private final boolean colored;
    private final FontTexture.Node root;
 
    public FontTexture(Supplier<String> label, GlyphRenderTypes renderTypes, boolean colored) {
        this.colored = colored;
        this.root = new FontTexture.Node(0, 0, 256, 256);
        GpuDevice device = RenderSystem.getDevice();
        this.texture = device.createTexture(label, 7, colored ? TextureFormat.RGBA8 : TextureFormat.RED8, 256, 256, 1, 1);
        this.sampler = RenderSystem.getSamplerCache().getRepeat(FilterMode.NEAREST);
        this.textureView = device.createTextureView(this.texture);
        this.renderTypes = renderTypes;
    }
 
    public @Nullable BakedSheetGlyph add(GlyphInfo info, GlyphBitmap glyph) {
        if (glyph.isColored() != this.colored) {
            return null;
        } else {
            FontTexture.Node node = this.root.insert(glyph);
            if (node != null) {
                glyph.upload(node.x, node.y, this.getTexture());
                float width = 256.0F;
                float height = 256.0F;
                float nudge = 0.01F;
                return new BakedSheetGlyph(
                    info,
                    this.renderTypes,
                    this.getTextureView(),
                    (node.x + 0.01F) / 256.0F,
                    (node.x - 0.01F + glyph.getPixelWidth()) / 256.0F,
                    (node.y + 0.01F) / 256.0F,
                    (node.y - 0.01F + glyph.getPixelHeight()) / 256.0F,
                    glyph.getLeft(),
                    glyph.getRight(),
                    glyph.getTop(),
                    glyph.getBottom()
                );
            } else {
                return null;
            }
        }
    }
 
    @Override
    public void dumpContents(Identifier selfId, Path dir) {
        if (this.texture != null) {
            String outputId = selfId.toDebugFileName();
            TextureUtil.writeAsPNG(dir, outputId, this.texture, 0, argb -> (argb & 0xFF000000) == 0 ? -16777216 : argb);
        }
    }
 
    @OnlyIn(Dist.CLIENT)
    private static class Node {
        private final int x;
        private final int y;
        private final int width;
        private final int height;
        private FontTexture.@Nullable Node left;
        private FontTexture.@Nullable Node right;
        private boolean occupied;
 
        private Node(int x, int y, int width, int height) {
            this.x = x;
            this.y = y;
            this.width = width;
            this.height = height;
        }
 
        FontTexture.@Nullable Node insert(GlyphBitmap glyph) {
            if (this.left != null && this.right != null) {
                FontTexture.Node newNode = this.left.insert(glyph);
                if (newNode == null) {
                    newNode = this.right.insert(glyph);
                }
 
                return newNode;
            } else if (this.occupied) {
                return null;
            } else {
                int glyphWidth = glyph.getPixelWidth();
                int glyphHeight = glyph.getPixelHeight();
                if (glyphWidth > this.width || glyphHeight > this.height) {
                    return null;
                } else if (glyphWidth == this.width && glyphHeight == this.height) {
                    this.occupied = true;
                    return this;
                } else {
                    int deltaWidth = this.width - glyphWidth;
                    int deltaHeight = this.height - glyphHeight;
                    if (deltaWidth > deltaHeight) {
                        this.left = new FontTexture.Node(this.x, this.y, glyphWidth, this.height);
                        this.right = new FontTexture.Node(this.x + glyphWidth + 1, this.y, this.width - glyphWidth - 1, this.height);
                    } else {
                        this.left = new FontTexture.Node(this.x, this.y, this.width, glyphHeight);
                        this.right = new FontTexture.Node(this.x, this.y + glyphHeight + 1, this.width, this.height - glyphHeight - 1);
                    }
 
                    return this.left.insert(glyph);
                }
            }
        }
    }
}

引用的其他类

• GlyphBitmap

  • 引用位置: 参数

• GlyphInfo

  • 引用位置: 参数

• TextureUtil

  • 引用位置: 方法调用
  • 关联成员: TextureUtil.writeAsPNG()

• RenderSystem

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

• GlyphRenderTypes

  • 引用位置: 参数/字段

• BakedSheetGlyph

  • 引用位置: 构造调用/返回值
  • 关联成员: BakedSheetGlyph()

• AbstractTexture

  • 引用位置: 继承

• Dumpable

  • 引用位置: 实现

• Identifier

  • 引用位置: 参数