CyclingSlotBackground.java

net.minecraft.client.gui.screens.inventory.CyclingSlotBackground

信息

• 全限定名：net.minecraft.client.gui.screens.inventory.CyclingSlotBackground
• 类型：public class
• 包：net.minecraft.client.gui.screens.inventory
• 源码路径：src/main/java/net/minecraft/client/gui/screens/inventory/CyclingSlotBackground.java
• 起始行号：L14
• 职责：

  TODO

字段/常量

• ICON_CHANGE_TICK_RATE

  • 类型: int
  • 修饰符: private static final
  • 源码定位: L15
  • 说明:

    TODO

• ICON_SIZE

  • 类型: int
  • 修饰符: private static final
  • 源码定位: L16
  • 说明:

    TODO

• ICON_TRANSITION_TICK_DURATION

  • 类型: int
  • 修饰符: private static final
  • 源码定位: L17
  • 说明:

    TODO

• slotIndex

  • 类型: int
  • 修饰符: private final
  • 源码定位: L18
  • 说明:

    TODO

• icons

  • 类型: List<Identifier>
  • 修饰符: private
  • 源码定位: L19
  • 说明:

    TODO

• tick

  • 类型: int
  • 修饰符: private
  • 源码定位: L20
  • 说明:

    TODO

• iconIndex

  • 类型: int
  • 修饰符: private
  • 源码定位: L21
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

public CyclingSlotBackground(int slotIndex) @ L23

• 构造器名：CyclingSlotBackground
• 源码定位：L23
• 修饰符：public

参数:

• slotIndex: int

说明:

TODO

方法

下面的方法块按源码顺序生成。

public void tick(List<Identifier> newIcons) @ L27

• 方法名：tick
• 源码定位：L27
• 返回类型：void
• 修饰符：public

参数:

• newIcons: List

说明:

TODO

public void extractRenderState(AbstractContainerMenu menu, GuiGraphicsExtractor graphics, float a, int left, int top) @ L38

• 方法名：extractRenderState
• 源码定位：L38
• 返回类型：void
• 修饰符：public

参数:

• menu: AbstractContainerMenu
• graphics: GuiGraphicsExtractor
• a: float
• left: int
• top: int

说明:

TODO

private void extractIcon(Slot slot, Identifier iconIdentifier, float alphaProgress, GuiGraphicsExtractor graphics, int left, int top) @ L52

• 方法名：extractIcon
• 源码定位：L52
• 返回类型：void
• 修饰符：private

参数:

• slot: Slot
• iconIdentifier: Identifier
• alphaProgress: float
• graphics: GuiGraphicsExtractor
• left: int
• top: int

说明:

TODO

private float getIconTransitionTransparency(float a) @ L56

• 方法名：getIconTransitionTransparency
• 源码定位：L56
• 返回类型：float
• 修饰符：private

参数:

• a: float

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public class CyclingSlotBackground {
    private static final int ICON_CHANGE_TICK_RATE = 30;
    private static final int ICON_SIZE = 16;
    private static final int ICON_TRANSITION_TICK_DURATION = 4;
    private final int slotIndex;
    private List<Identifier> icons = List.of();
    private int tick;
    private int iconIndex;
 
    public CyclingSlotBackground(int slotIndex) {
        this.slotIndex = slotIndex;
    }
 
    public void tick(List<Identifier> newIcons) {
        if (!this.icons.equals(newIcons)) {
            this.icons = newIcons;
            this.iconIndex = 0;
        }
 
        if (!this.icons.isEmpty() && ++this.tick % 30 == 0) {
            this.iconIndex = (this.iconIndex + 1) % this.icons.size();
        }
    }
 
    public void extractRenderState(AbstractContainerMenu menu, GuiGraphicsExtractor graphics, float a, int left, int top) {
        Slot slot = menu.getSlot(this.slotIndex);
        if (!this.icons.isEmpty() && !slot.hasItem()) {
            boolean shouldTransition = this.icons.size() > 1 && this.tick >= 30;
            float alphaProgress = shouldTransition ? this.getIconTransitionTransparency(a) : 1.0F;
            if (alphaProgress < 1.0F) {
                int previousIconIndex = Math.floorMod(this.iconIndex - 1, this.icons.size());
                this.extractIcon(slot, this.icons.get(previousIconIndex), 1.0F - alphaProgress, graphics, left, top);
            }
 
            this.extractIcon(slot, this.icons.get(this.iconIndex), alphaProgress, graphics, left, top);
        }
    }
 
    private void extractIcon(Slot slot, Identifier iconIdentifier, float alphaProgress, GuiGraphicsExtractor graphics, int left, int top) {
        graphics.blitSprite(RenderPipelines.GUI_TEXTURED, iconIdentifier, left + slot.x, top + slot.y, 16, 16, ARGB.white(alphaProgress));
    }
 
    private float getIconTransitionTransparency(float a) {
        float elapsedTransitionTime = this.tick % 30 + a;
        return Math.min(elapsedTransitionTime, 4.0F) / 4.0F;
    }
}

引用的其他类

• GuiGraphicsExtractor

  • 引用位置: 参数

• Identifier

  • 引用位置: 参数/字段

• ARGB

  • 引用位置: 方法调用
  • 关联成员: ARGB.white()

• AbstractContainerMenu

  • 引用位置: 参数

• Slot

  • 引用位置: 参数