diff options
Diffstat (limited to 'src/main/java/net/minecraft/server/Chunk.java')
| -rw-r--r-- | src/main/java/net/minecraft/server/Chunk.java | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java index ade0c35b..d770e4e6 100644 --- a/src/main/java/net/minecraft/server/Chunk.java +++ b/src/main/java/net/minecraft/server/Chunk.java @@ -41,6 +41,34 @@ public class Chunk { public long s; private int x; + // CraftBukkit start - Neighbor loaded cache for chunk lighting and entity ticking + private int neighbors = 0x1 << 12; + + public boolean areNeighborsLoaded(final int radius) { + switch(radius) { + case 2: + return this.neighbors == Integer.MAX_VALUE >> 6; + case 1: + final int mask = + // x z offset x z offset x z offset + ( 0x1 << (1 * 5 + 1 + 12) ) | ( 0x1 << (0 * 5 + 1 + 12) ) | ( 0x1 << (-1 * 5 + 1 + 12) ) | + ( 0x1 << (1 * 5 + 0 + 12) ) | ( 0x1 << (0 * 5 + 0 + 12) ) | ( 0x1 << (-1 * 5 + 0 + 12) ) | + ( 0x1 << (1 * 5 + -1 + 12) ) | ( 0x1 << (0 * 5 + -1 + 12) ) | ( 0x1 << (-1 * 5 + -1 + 12) ); + return (this.neighbors & mask) == mask; + default: + throw new UnsupportedOperationException(String.valueOf(radius)); + } + } + + public void setNeighborLoaded(final int x, final int z) { + this.neighbors |= 0x1 << (x * 5 + 12 + z); + } + + public void setNeighborUnloaded(final int x, final int z) { + this.neighbors &= ~(0x1 << (x * 5 + 12 + z)); + } + // CraftBukkit end + public Chunk(World world, int i, int j) { this.sections = new ChunkSection[16]; this.v = new byte[256]; |