RenderRegionCache.java

net.minecraft.client.renderer.chunk.RenderRegionCache

信息

• 全限定名：net.minecraft.client.renderer.chunk.RenderRegionCache
• 类型：public class
• 包：net.minecraft.client.renderer.chunk
• 源码路径：src/main/java/net/minecraft/client/renderer/chunk/RenderRegionCache.java
• 起始行号：L13
• 职责：

  TODO

字段/常量

• sectionCopyCache
  • 类型: Long2ObjectMap<SectionCopy>
  • 修饰符: private final
  • 源码定位: L14
  • 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 RenderSectionRegion createRegion(ClientLevel level, long sectionNode) @ L16

• 方法名：createRegion
• 源码定位：L16
• 返回类型：RenderSectionRegion
• 修饰符：public

参数:

• level: ClientLevel
• sectionNode: long

说明:

TODO

private SectionCopy getSectionDataCopy(Level level, int sectionX, int sectionY, int sectionZ) @ L40

• 方法名：getSectionDataCopy
• 源码定位：L40
• 返回类型：SectionCopy
• 修饰符：private

参数:

• level: Level
• sectionX: int
• sectionY: int
• sectionZ: int

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public class RenderRegionCache {
    private final Long2ObjectMap<SectionCopy> sectionCopyCache = new Long2ObjectOpenHashMap<>();
 
    public RenderSectionRegion createRegion(ClientLevel level, long sectionNode) {
        int sectionX = SectionPos.x(sectionNode);
        int sectionY = SectionPos.y(sectionNode);
        int sectionZ = SectionPos.z(sectionNode);
        int minSectionX = sectionX - 1;
        int minSectionY = sectionY - 1;
        int minSectionZ = sectionZ - 1;
        int maxSectionX = sectionX + 1;
        int maxSectionY = sectionY + 1;
        int maxSectionZ = sectionZ + 1;
        SectionCopy[] regionSections = new SectionCopy[27];
 
        for (int regionSectionZ = minSectionZ; regionSectionZ <= maxSectionZ; regionSectionZ++) {
            for (int regionSectionY = minSectionY; regionSectionY <= maxSectionY; regionSectionY++) {
                for (int regionSectionX = minSectionX; regionSectionX <= maxSectionX; regionSectionX++) {
                    int index = RenderSectionRegion.index(minSectionX, minSectionY, minSectionZ, regionSectionX, regionSectionY, regionSectionZ);
                    regionSections[index] = this.getSectionDataCopy(level, regionSectionX, regionSectionY, regionSectionZ);
                }
            }
        }
 
        return new RenderSectionRegion(level, minSectionX, minSectionY, minSectionZ, regionSections);
    }
 
    private SectionCopy getSectionDataCopy(Level level, int sectionX, int sectionY, int sectionZ) {
        return this.sectionCopyCache.computeIfAbsent(SectionPos.asLong(sectionX, sectionY, sectionZ), k -> {
            LevelChunk chunk = level.getChunk(sectionX, sectionZ);
            return new SectionCopy(chunk, chunk.getSectionIndexFromSectionY(sectionY));
        });
    }
}

引用的其他类

• ClientLevel

  • 引用位置: 参数

• RenderSectionRegion

  • 引用位置: 方法调用/构造调用/返回值
  • 关联成员: RenderSectionRegion(), RenderSectionRegion.index()

• SectionCopy

  • 引用位置: 字段/构造调用/返回值
  • 关联成员: SectionCopy()

• SectionPos

  • 引用位置: 方法调用
  • 关联成员: SectionPos.asLong(), SectionPos.x(), SectionPos.y(), SectionPos.z()

• Level

  • 引用位置: 参数