VariantSelector.java

net.minecraft.client.renderer.block.dispatch.VariantSelector

信息

• 全限定名：net.minecraft.client.renderer.block.dispatch.VariantSelector
• 类型：public class
• 包：net.minecraft.client.renderer.block.dispatch
• 源码路径：src/main/java/net/minecraft/client/renderer/block/dispatch/VariantSelector.java
• 起始行号：L18
• 职责：

  TODO

字段/常量

• COMMA_SPLITTER

  • 类型: Splitter
  • 修饰符: private static final
  • 源码定位: L19
  • 说明:

    TODO

• EQUAL_SPLITTER

  • 类型: Splitter
  • 修饰符: private static final
  • 源码定位: L20
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

• 无

方法

下面的方法块按源码顺序生成。

public static <O,S extends StateHolder<O,S>> Predicate<StateHolder<O,S>> predicate(StateDefinition<O,S> stateDefinition, String properties) @ L22

• 方法名：predicate
• 源码定位：L22
• 返回类型：<O,S extends StateHolder<O,S>> Predicate<StateHolder<O,S>>
• 修饰符：public static

参数:

• stateDefinition: StateDefinition<O,S>
• properties: String

说明:

TODO

private static <T extends Comparable<T>> T getValueHelper(Property<T> property, String next) @ L57

• 方法名：getValueHelper
• 源码定位：L57
• 返回类型：<T extends Comparable> T
• 修饰符：private static

参数:

• property: Property
• next: String

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public class VariantSelector {
    private static final Splitter COMMA_SPLITTER = Splitter.on(',');
    private static final Splitter EQUAL_SPLITTER = Splitter.on('=').limit(2);
 
    public static <O, S extends StateHolder<O, S>> Predicate<StateHolder<O, S>> predicate(StateDefinition<O, S> stateDefinition, String properties) {
        Map<Property<?>, Comparable<?>> map = new HashMap<>();
 
        for (String keyValue : COMMA_SPLITTER.split(properties)) {
            Iterator<String> iterator = EQUAL_SPLITTER.split(keyValue).iterator();
            if (iterator.hasNext()) {
                String propertyName = iterator.next();
                Property<?> property = stateDefinition.getProperty(propertyName);
                if (property != null && iterator.hasNext()) {
                    String propertyValue = iterator.next();
                    Comparable<?> value = getValueHelper(property, propertyValue);
                    if (value == null) {
                        throw new RuntimeException(
                            "Unknown value: '" + propertyValue + "' for blockstate property: '" + propertyName + "' " + property.getPossibleValues()
                        );
                    }
 
                    map.put(property, value);
                } else if (!propertyName.isEmpty()) {
                    throw new RuntimeException("Unknown blockstate property: '" + propertyName + "'");
                }
            }
        }
 
        return input -> {
            for (Entry<Property<?>, Comparable<?>> entry : map.entrySet()) {
                if (!Objects.equals(input.getValue(entry.getKey()), entry.getValue())) {
                    return false;
                }
            }
 
            return true;
        };
    }
 
    private static <T extends Comparable<T>> @Nullable T getValueHelper(Property<T> property, String next) {
        return property.getValue(next).orElse(null);
    }
}

引用的其他类

• StateDefinition

  • 引用位置: 参数

• StateHolder

  • 引用位置: 返回值

• Property

  • 引用位置: 参数