Quartz 4

LoadingOverlay.java

8 min read

LoadingOverlay.java

net.minecraft.client.gui.screens.LoadingOverlay

信息

  • 全限定名：net.minecraft.client.gui.screens.LoadingOverlay
  • 类型：public class
  • 包：net.minecraft.client.gui.screens
  • 源码路径：src/main/java/net/minecraft/client/gui/screens/LoadingOverlay.java
  • 起始行号：L29
  • 继承：Overlay
  • 职责：

    TODO

字段/常量

  • MOJANG_STUDIOS_LOGO_LOCATION

    • 类型: Identifier
    • 修饰符: public static final
    • 源码定位: L30
    • 说明:

      TODO

  • LOGO_BACKGROUND_COLOR

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

      TODO

  • LOGO_BACKGROUND_COLOR_DARK

    • 类型: int
    • 修饰符: private static final
    • 源码定位: L32
    • 说明:

      TODO

  • BRAND_BACKGROUND

    • 类型: IntSupplier
    • 修饰符: private static final
    • 源码定位: L33
    • 说明:

      TODO

  • LOGO_SCALE

    • 类型: int
    • 修饰符: private static final
    • 源码定位: L36
    • 说明:

      TODO

  • LOGO_QUARTER_FLOAT

    • 类型: float
    • 修饰符: private static final
    • 源码定位: L37
    • 说明:

      TODO

  • LOGO_QUARTER

    • 类型: int
    • 修饰符: private static final
    • 源码定位: L38
    • 说明:

      TODO

  • LOGO_HALF

    • 类型: int
    • 修饰符: private static final
    • 源码定位: L39
    • 说明:

      TODO

  • LOGO_OVERLAP

    • 类型: float
    • 修饰符: private static final
    • 源码定位: L40
    • 说明:

      TODO

  • SMOOTHING

    • 类型: float
    • 修饰符: private static final
    • 源码定位: L41
    • 说明:

      TODO

  • FADE_OUT_TIME

    • 类型: long
    • 修饰符: public static final
    • 源码定位: L42
    • 说明:

      TODO

  • FADE_IN_TIME

    • 类型: long
    • 修饰符: public static final
    • 源码定位: L43
    • 说明:

      TODO

  • minecraft

    • 类型: Minecraft
    • 修饰符: private final
    • 源码定位: L44
    • 说明:

      TODO

  • reload

    • 类型: ReloadInstance
    • 修饰符: private final
    • 源码定位: L45
    • 说明:

      TODO

  • onFinish

    • 类型: Consumer<Optional<Throwable>>
    • 修饰符: private final
    • 源码定位: L46
    • 说明:

      TODO

  • fadeIn

    • 类型: boolean
    • 修饰符: private final
    • 源码定位: L47
    • 说明:

      TODO

  • currentProgress

    • 类型: float
    • 修饰符: private
    • 源码定位: L48
    • 说明:

      TODO

  • fadeOutStart

    • 类型: long
    • 修饰符: private
    • 源码定位: L49
    • 说明:

      TODO

  • fadeInStart

    • 类型: long
    • 修饰符: private
    • 源码定位: L50
    • 说明:

      TODO

内部类/嵌套类型

  • net.minecraft.client.gui.screens.LoadingOverlay.LogoTexture
    • 类型: class
    • 修饰符: private static
    • 源码定位: L196
    • 说明:

      TODO

构造器

public LoadingOverlay(Minecraft minecraft, ReloadInstance reload, Consumer<Optional<Throwable>> onFinish, boolean fadeIn) @ L52

  • 构造器名：LoadingOverlay
  • 源码定位：L52
  • 修饰符：public

参数:

  • minecraft: Minecraft
  • reload: ReloadInstance
  • onFinish: Consumer<Optional>
  • fadeIn: boolean

说明:

TODO

方法

下面的方法块按源码顺序生成。

public static void registerTextures(TextureManager textureManager) @ L59

  • 方法名：registerTextures
  • 源码定位：L59
  • 返回类型：void
  • 修饰符：public static

参数:

  • textureManager: TextureManager

说明:

TODO

private static int replaceAlpha(int color, int alpha) @ L63

  • 方法名：replaceAlpha
  • 源码定位：L63
  • 返回类型：int
  • 修饰符：private static

参数:

  • color: int
  • alpha: int

说明:

TODO

public void extractRenderState(GuiGraphicsExtractor graphics, int mouseX, int mouseY, float a) @ L67

  • 方法名：extractRenderState
  • 源码定位：L67
  • 返回类型：void
  • 修饰符：public

参数:

  • graphics: GuiGraphicsExtractor
  • mouseX: int
  • mouseY: int
  • a: float

说明:

TODO

public void tick() @ L157

  • 方法名：tick
  • 源码定位：L157
  • 返回类型：void
  • 修饰符：public

参数:

  • 无

说明:

TODO

private boolean isReadyToFadeOut() @ L175

  • 方法名：isReadyToFadeOut
  • 源码定位：L175
  • 返回类型：boolean
  • 修饰符：private

参数:

  • 无

说明:

TODO

private void extractProgressBar(GuiGraphicsExtractor graphics, int x0, int y0, int x1, int y1, float fade) @ L179

  • 方法名：extractProgressBar
  • 源码定位：L179
  • 返回类型：void
  • 修饰符：private

参数:

  • graphics: GuiGraphicsExtractor
  • x0: int
  • y0: int
  • x1: int
  • y1: int
  • fade: float

说明:

TODO

public boolean isPauseScreen() @ L190

  • 方法名：isPauseScreen
  • 源码定位：L190
  • 返回类型：boolean
  • 修饰符：public

参数:

  • 无

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public class LoadingOverlay extends Overlay {
    public static final Identifier MOJANG_STUDIOS_LOGO_LOCATION = Identifier.withDefaultNamespace("textures/gui/title/mojangstudios.png");
    private static final int LOGO_BACKGROUND_COLOR = ARGB.color(255, 239, 50, 61);
    private static final int LOGO_BACKGROUND_COLOR_DARK = ARGB.color(255, 0, 0, 0);
    private static final IntSupplier BRAND_BACKGROUND = () -> Minecraft.getInstance().options.darkMojangStudiosBackground().get()
        ? LOGO_BACKGROUND_COLOR_DARK
        : LOGO_BACKGROUND_COLOR;
    private static final int LOGO_SCALE = 240;
    private static final float LOGO_QUARTER_FLOAT = 60.0F;
    private static final int LOGO_QUARTER = 60;
    private static final int LOGO_HALF = 120;
    private static final float LOGO_OVERLAP = 0.0625F;
    private static final float SMOOTHING = 0.95F;
    public static final long FADE_OUT_TIME = 1000L;
    public static final long FADE_IN_TIME = 500L;
    private final Minecraft minecraft;
    private final ReloadInstance reload;
    private final Consumer<Optional<Throwable>> onFinish;
    private final boolean fadeIn;
    private float currentProgress;
    private long fadeOutStart = -1L;
    private long fadeInStart = -1L;
 
    public LoadingOverlay(Minecraft minecraft, ReloadInstance reload, Consumer<Optional<Throwable>> onFinish, boolean fadeIn) {
        this.minecraft = minecraft;
        this.reload = reload;
        this.onFinish = onFinish;
        this.fadeIn = fadeIn;
    }
 
    public static void registerTextures(TextureManager textureManager) {
        textureManager.registerAndLoad(MOJANG_STUDIOS_LOGO_LOCATION, new LoadingOverlay.LogoTexture());
    }
 
    private static int replaceAlpha(int color, int alpha) {
        return color & 16777215 | alpha << 24;
    }
 
    @Override
    public void extractRenderState(GuiGraphicsExtractor graphics, int mouseX, int mouseY, float a) {
        int width = graphics.guiWidth();
        int height = graphics.guiHeight();
        long now = Util.getMillis();
        if (this.fadeIn && this.fadeInStart == -1L) {
            this.fadeInStart = now;
        }
 
        float fadeOutAnim = this.fadeOutStart > -1L ? (float)(now - this.fadeOutStart) / 1000.0F : -1.0F;
        float fadeInAnim = this.fadeInStart > -1L ? (float)(now - this.fadeInStart) / 500.0F : -1.0F;
        float logoAlpha;
        if (fadeOutAnim >= 1.0F) {
            if (this.minecraft.screen != null) {
                this.minecraft.screen.extractRenderStateWithTooltipAndSubtitles(graphics, 0, 0, a);
            } else {
                this.minecraft.gui.extractDeferredSubtitles();
            }
 
            int alpha = Mth.ceil((1.0F - Mth.clamp(fadeOutAnim - 1.0F, 0.0F, 1.0F)) * 255.0F);
            graphics.nextStratum();
            graphics.fill(0, 0, width, height, replaceAlpha(BRAND_BACKGROUND.getAsInt(), alpha));
            logoAlpha = 1.0F - Mth.clamp(fadeOutAnim - 1.0F, 0.0F, 1.0F);
        } else if (this.fadeIn) {
            if (this.minecraft.screen != null && fadeInAnim < 1.0F) {
                this.minecraft.screen.extractRenderStateWithTooltipAndSubtitles(graphics, mouseX, mouseY, a);
            } else {
                this.minecraft.gui.extractDeferredSubtitles();
            }
 
            int alpha = Mth.ceil(Mth.clamp((double)fadeInAnim, 0.15, 1.0) * 255.0);
            graphics.nextStratum();
            graphics.fill(0, 0, width, height, replaceAlpha(BRAND_BACKGROUND.getAsInt(), alpha));
            logoAlpha = Mth.clamp(fadeInAnim, 0.0F, 1.0F);
        } else {
            this.minecraft.gameRenderer.getGameRenderState().guiRenderState.clearColorOverride = BRAND_BACKGROUND.getAsInt();
            logoAlpha = 1.0F;
        }
 
        int contentX = (int)(graphics.guiWidth() * 0.5);
        int logoY = (int)(graphics.guiHeight() * 0.5);
        double logoHeight = Math.min(graphics.guiWidth() * 0.75, (double)graphics.guiHeight()) * 0.25;
        int logoHeightHalf = (int)(logoHeight * 0.5);
        double contentWidth = logoHeight * 4.0;
        int logoWidthHalf = (int)(contentWidth * 0.5);
        int color = ARGB.white(logoAlpha);
        graphics.blit(
            RenderPipelines.MOJANG_LOGO,
            MOJANG_STUDIOS_LOGO_LOCATION,
            contentX - logoWidthHalf,
            logoY - logoHeightHalf,
            -0.0625F,
            0.0F,
            logoWidthHalf,
            (int)logoHeight,
            120,
            60,
            120,
            120,
            color
        );
        graphics.blit(
            RenderPipelines.MOJANG_LOGO,
            MOJANG_STUDIOS_LOGO_LOCATION,
            contentX,
            logoY - logoHeightHalf,
            0.0625F,
            60.0F,
            logoWidthHalf,
            (int)logoHeight,
            120,
            60,
            120,
            120,
            color
        );
        int barY = (int)(graphics.guiHeight() * 0.8325);
        float actualProgress = this.reload.getActualProgress();
        this.currentProgress = Mth.clamp(this.currentProgress * 0.95F + actualProgress * 0.050000012F, 0.0F, 1.0F);
        if (fadeOutAnim < 1.0F) {
            this.extractProgressBar(
                graphics, width / 2 - logoWidthHalf, barY - 5, width / 2 + logoWidthHalf, barY + 5, 1.0F - Mth.clamp(fadeOutAnim, 0.0F, 1.0F)
            );
        }
 
        if (fadeOutAnim >= 2.0F) {
            this.minecraft.setOverlay(null);
        }
    }
 
    @Override
    public void tick() {
        if (this.fadeOutStart == -1L && this.reload.isDone() && this.isReadyToFadeOut()) {
            try {
                this.reload.checkExceptions();
                this.onFinish.accept(Optional.empty());
            } catch (Throwable var2) {
                this.onFinish.accept(Optional.of(var2));
            }
 
            this.fadeOutStart = Util.getMillis();
            if (this.minecraft.screen != null) {
                Window window = this.minecraft.getWindow();
                this.minecraft.screen.init(window.getGuiScaledWidth(), window.getGuiScaledHeight());
            }
        }
    }
 
    private boolean isReadyToFadeOut() {
        return !this.fadeIn || this.fadeInStart > -1L && Util.getMillis() - this.fadeInStart >= 1000L;
    }
 
    private void extractProgressBar(GuiGraphicsExtractor graphics, int x0, int y0, int x1, int y1, float fade) {
        int width = Mth.ceil((x1 - x0 - 2) * this.currentProgress);
        int alpha = Math.round(fade * 255.0F);
        int white = ARGB.color(alpha, 255, 255, 255);
        graphics.fill(x0 + 2, y0 + 2, x0 + width, y1 - 2, white);
        graphics.fill(x0 + 1, y0, x1 - 1, y0 + 1, white);
        graphics.fill(x0 + 1, y1, x1 - 1, y1 - 1, white);
        graphics.fill(x0, y0, x0 + 1, y1, white);
        graphics.fill(x1, y0, x1 - 1, y1, white);
    }
 
    @Override
    public boolean isPauseScreen() {
        return true;
    }
 
    @OnlyIn(Dist.CLIENT)
    private static class LogoTexture extends ReloadableTexture {
        public LogoTexture() {
            super(LoadingOverlay.MOJANG_STUDIOS_LOGO_LOCATION);
        }
 
        @Override
        public TextureContents loadContents(ResourceManager resourceManager) throws IOException {
            ResourceProvider vanillaProvider = Minecraft.getInstance().getVanillaPackResources().asProvider();
 
            TextureContents var4;
            try (InputStream resource = vanillaProvider.open(LoadingOverlay.MOJANG_STUDIOS_LOGO_LOCATION)) {
                var4 = new TextureContents(NativeImage.read(resource), new TextureMetadataSection(true, true, MipmapStrategy.MEAN, 0.0F));
            }
 
            return var4;
        }
    }
}

引用的其他类

  • NativeImage

    • 引用位置: 方法调用
    • 关联成员: NativeImage.read()

  • Minecraft

    • 引用位置: 参数/字段/方法调用
    • 关联成员: Minecraft.getInstance()

  • GuiGraphicsExtractor

    • 引用位置: 参数

  • Overlay

    • 引用位置: 继承

  • TextureContents

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

  • TextureManager

    • 引用位置: 参数

  • TextureMetadataSection

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

  • Identifier

    • 引用位置: 字段/方法调用
    • 关联成员: Identifier.withDefaultNamespace()

  • ReloadInstance

    • 引用位置: 参数/字段

  • ARGB

    • 引用位置: 方法调用
    • 关联成员: ARGB.color(), ARGB.white()

  • Mth

    • 引用位置: 方法调用
    • 关联成员: Mth.ceil(), Mth.clamp()

  • Util

    • 引用位置: 方法调用
    • 关联成员: Util.getMillis()

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