ChunkBiomeFix.java

net.minecraft.util.datafix.fixes.ChunkBiomeFix

信息

• 全限定名：net.minecraft.util.datafix.fixes.ChunkBiomeFix
• 类型：public class
• 包：net.minecraft.util.datafix.fixes
• 源码路径：src/main/java/net/minecraft/util/datafix/fixes/ChunkBiomeFix.java
• 起始行号：L13
• 继承：DataFix
• 职责：

  TODO

字段/常量

• 无

内部类/嵌套类型

• 无

构造器

public ChunkBiomeFix(Schema outputSchema, boolean changesType) @ L14

• 构造器名：ChunkBiomeFix
• 源码定位：L14
• 修饰符：public

参数:

• outputSchema: Schema
• changesType: boolean

说明:

TODO

方法

下面的方法块按源码顺序生成。

protected TypeRewriteRule makeRule() @ L18

• 方法名：makeRule
• 源码定位：L18
• 返回类型：TypeRewriteRule
• 修饰符：protected

参数:

• 无

说明:

TODO

代码

public class ChunkBiomeFix extends DataFix {
    public ChunkBiomeFix(Schema outputSchema, boolean changesType) {
        super(outputSchema, changesType);
    }
 
    @Override
    protected TypeRewriteRule makeRule() {
        Type<?> chunkType = this.getInputSchema().getType(References.CHUNK);
        OpticFinder<?> levelFinder = chunkType.findField("Level");
        return this.fixTypeEverywhereTyped(
            "Leaves fix", chunkType, chunk -> chunk.updateTyped(levelFinder, level -> level.update(DSL.remainderFinder(), tag -> {
                Optional<IntStream> biomes = tag.get("Biomes").asIntStreamOpt().result();
                if (biomes.isEmpty()) {
                    return tag;
                } else {
                    int[] oldBiomes = biomes.get().toArray();
                    if (oldBiomes.length != 256) {
                        return tag;
                    } else {
                        int[] newBiomes = new int[1024];
 
                        for (int z = 0; z < 4; z++) {
                            for (int x = 0; x < 4; x++) {
                                int oldX = (x << 2) + 2;
                                int oldZ = (z << 2) + 2;
                                int index = oldZ << 4 | oldX;
                                newBiomes[z << 2 | x] = oldBiomes[index];
                            }
                        }
 
                        for (int ySlice = 1; ySlice < 64; ySlice++) {
                            System.arraycopy(newBiomes, 0, newBiomes, ySlice * 16, 16);
                        }
 
                        return tag.set("Biomes", tag.createIntList(Arrays.stream(newBiomes)));
                    }
                }
            }))
        );
    }
}

引用的其他类

• LoggedChatMessage

  • 引用位置: 方法调用
  • 关联成员: System.arraycopy()

• Schema

  • 引用位置: 参数