AdvancementVisibilityEvaluator.java

net.minecraft.server.advancements.AdvancementVisibilityEvaluator

信息

• 全限定名：net.minecraft.server.advancements.AdvancementVisibilityEvaluator
• 类型：public class
• 包：net.minecraft.server.advancements
• 源码路径：src/main/java/net/minecraft/server/advancements/AdvancementVisibilityEvaluator.java
• 起始行号：L11
• 职责：

  TODO

字段/常量

• VISIBILITY_DEPTH
  • 类型: int
  • 修饰符: private static final
  • 源码定位: L12
  • 说明:

    TODO

内部类/嵌套类型

• net.minecraft.server.advancements.AdvancementVisibilityEvaluator.Output

  • 类型: interface
  • 修饰符: public
  • 源码定位: L73
  • 说明:

    TODO

• net.minecraft.server.advancements.AdvancementVisibilityEvaluator.VisibilityRule

  • 类型: enum
  • 修饰符: private static
  • 源码定位: L77
  • 说明:

    TODO

构造器

• 无

方法

下面的方法块按源码顺序生成。

private static AdvancementVisibilityEvaluator.VisibilityRule evaluateVisibilityRule(Advancement advancement, boolean isDone) @ L14

• 方法名：evaluateVisibilityRule
• 源码定位：L14
• 返回类型：AdvancementVisibilityEvaluator.VisibilityRule
• 修饰符：private static

参数:

• advancement: Advancement
• isDone: boolean

说明:

TODO

private static boolean evaluateVisiblityForUnfinishedNode(Stack<AdvancementVisibilityEvaluator.VisibilityRule> ascendants) @ L25

• 方法名：evaluateVisiblityForUnfinishedNode
• 源码定位：L25
• 返回类型：boolean
• 修饰符：private static

参数:

• ascendants: Stack<AdvancementVisibilityEvaluator.VisibilityRule>

说明:

TODO

private static boolean evaluateVisibility(AdvancementNode node, Stack<AdvancementVisibilityEvaluator.VisibilityRule> ascendants, Predicate<AdvancementNode> isDoneTest, AdvancementVisibilityEvaluator.Output output) @ L40

• 方法名：evaluateVisibility
• 源码定位：L40
• 返回类型：boolean
• 修饰符：private static

参数:

• node: AdvancementNode
• ascendants: Stack<AdvancementVisibilityEvaluator.VisibilityRule>
• isDoneTest: Predicate
• output: AdvancementVisibilityEvaluator.Output

说明:

TODO

public static void evaluateVisibility(AdvancementNode node, Predicate<AdvancementNode> isDone, AdvancementVisibilityEvaluator.Output output) @ L61

• 方法名：evaluateVisibility
• 源码定位：L61
• 返回类型：void
• 修饰符：public static

参数:

• node: AdvancementNode
• isDone: Predicate
• output: AdvancementVisibilityEvaluator.Output

说明:

TODO

代码

public class AdvancementVisibilityEvaluator {
    private static final int VISIBILITY_DEPTH = 2;
 
    private static AdvancementVisibilityEvaluator.VisibilityRule evaluateVisibilityRule(Advancement advancement, boolean isDone) {
        Optional<DisplayInfo> display = advancement.display();
        if (display.isEmpty()) {
            return AdvancementVisibilityEvaluator.VisibilityRule.HIDE;
        } else if (isDone) {
            return AdvancementVisibilityEvaluator.VisibilityRule.SHOW;
        } else {
            return display.get().isHidden() ? AdvancementVisibilityEvaluator.VisibilityRule.HIDE : AdvancementVisibilityEvaluator.VisibilityRule.NO_CHANGE;
        }
    }
 
    private static boolean evaluateVisiblityForUnfinishedNode(Stack<AdvancementVisibilityEvaluator.VisibilityRule> ascendants) {
        for (int i = 0; i <= 2; i++) {
            AdvancementVisibilityEvaluator.VisibilityRule visibility = ascendants.peek(i);
            if (visibility == AdvancementVisibilityEvaluator.VisibilityRule.SHOW) {
                return true;
            }
 
            if (visibility == AdvancementVisibilityEvaluator.VisibilityRule.HIDE) {
                return false;
            }
        }
 
        return false;
    }
 
    private static boolean evaluateVisibility(
        AdvancementNode node,
        Stack<AdvancementVisibilityEvaluator.VisibilityRule> ascendants,
        Predicate<AdvancementNode> isDoneTest,
        AdvancementVisibilityEvaluator.Output output
    ) {
        boolean isSelfDone = isDoneTest.test(node);
        AdvancementVisibilityEvaluator.VisibilityRule descendantVisibility = evaluateVisibilityRule(node.advancement(), isSelfDone);
        boolean isSelfOrDescendantDone = isSelfDone;
        ascendants.push(descendantVisibility);
 
        for (AdvancementNode child : node.children()) {
            isSelfOrDescendantDone |= evaluateVisibility(child, ascendants, isDoneTest, output);
        }
 
        boolean visiblity = isSelfOrDescendantDone || evaluateVisiblityForUnfinishedNode(ascendants);
        ascendants.pop();
        output.accept(node, visiblity);
        return isSelfOrDescendantDone;
    }
 
    public static void evaluateVisibility(AdvancementNode node, Predicate<AdvancementNode> isDone, AdvancementVisibilityEvaluator.Output output) {
        AdvancementNode root = node.root();
        Stack<AdvancementVisibilityEvaluator.VisibilityRule> visibilityStack = new ObjectArrayList<>();
 
        for (int i = 0; i <= 2; i++) {
            visibilityStack.push(AdvancementVisibilityEvaluator.VisibilityRule.NO_CHANGE);
        }
 
        evaluateVisibility(root, visibilityStack, isDone, output);
    }
 
    @FunctionalInterface
    public interface Output {
        void accept(AdvancementNode advancement, boolean visible);
    }
 
    private static enum VisibilityRule {
        SHOW,
        HIDE,
        NO_CHANGE;
    }
}

引用的其他类

• Advancement

  • 引用位置: 参数

• AdvancementNode

  • 引用位置: 参数