From c86880704c90a04a4f7a660823757fea8f2a7f0c Mon Sep 17 00:00:00 2001 From: Aikar Date: Fri, 18 Mar 2016 20:16:03 -0400 Subject: [PATCH] Add World Util Methods Methods that can be used for other patches to help improve logic. diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java index cc4a9dbe6..84a880561 100644 --- a/src/main/java/net/minecraft/server/Chunk.java +++ b/src/main/java/net/minecraft/server/Chunk.java @@ -581,6 +581,7 @@ public class Chunk { } + public final int getLightSubtracted(BlockPosition blockposition, int i) { return this.a(blockposition, i); } // Paper - OBFHELPER public int a(BlockPosition blockposition, int i) { int j = blockposition.getX() & 15; int k = blockposition.getY(); diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java index 6be9c1815..b8ae41704 100644 --- a/src/main/java/net/minecraft/server/World.java +++ b/src/main/java/net/minecraft/server/World.java @@ -77,7 +77,7 @@ public abstract class World implements IBlockAccess { public final List j = Lists.newArrayList(); protected final IntHashMap entitiesById = new IntHashMap(); private final long K = 16777215L; - private int L; + private int L; private int getSkylightSubtracted() { return this.L; } // Paper - OBFHELPER protected int l = (new Random()).nextInt(); protected final int m = 1013904223; protected float n; @@ -156,6 +156,12 @@ public abstract class World implements IBlockAccess { return (CraftServer) Bukkit.getServer(); } + // Paper start + public Chunk getChunkIfLoaded(BlockPosition blockposition) { + return ((ChunkProviderServer) this.chunkProvider).getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4); + } + // Paper end + public Chunk getChunkIfLoaded(int x, int z) { return ((ChunkProviderServer) this.chunkProvider).getChunkIfLoaded(x, z); } @@ -686,10 +692,46 @@ public abstract class World implements IBlockAccess { } } + // Paper start - test if meets light level, return faster + // logic copied from below + public boolean isLightLevel(BlockPosition blockposition, int level) { + if (isValidLocation(blockposition)) { + if (this.getType(blockposition).f()) { + if (this.c(blockposition.up(), false) >= level) { + return true; + } + if (this.c(blockposition.east(), false) >= level) { + return true; + } + if (this.c(blockposition.west(), false) >= level) { + return true; + } + if (this.c(blockposition.south(), false) >= level) { + return true; + } + if (this.c(blockposition.north(), false) >= level) { + return true; + } + return false; + } else { + if (blockposition.getY() >= 256) { + blockposition = new BlockPosition(blockposition.getX(), 255, blockposition.getZ()); + } + + Chunk chunk = this.getChunkAtWorldCoords(blockposition); + return chunk.getLightSubtracted(blockposition, this.getSkylightSubtracted()) >= level; + } + } else { + return true; + } + } + // Paper end + public int getLightLevel(BlockPosition blockposition) { return this.c(blockposition, true); } + public final int getLight(BlockPosition blockposition, boolean checkNeighbors) { return this.c(blockposition, checkNeighbors); } // Paper - OBFHELPER public int c(BlockPosition blockposition, boolean flag) { if (blockposition.getX() >= -30000000 && blockposition.getZ() >= -30000000 && blockposition.getX() < 30000000 && blockposition.getZ() < 30000000) { if (flag && this.getType(blockposition).f()) { @@ -805,6 +847,27 @@ public abstract class World implements IBlockAccess { return this.worldProvider.o()[this.getLightLevel(blockposition)]; } + // Paper start - reduces need to do isLoaded before getType + public IBlockData getTypeIfLoaded(BlockPosition blockposition) { + // CraftBukkit start - tree generation + if (captureTreeGeneration) { + Iterator it = capturedBlockStates.iterator(); + while (it.hasNext()) { + BlockState previous = it.next(); + if (previous.getX() == blockposition.getX() && previous.getY() == blockposition.getY() && previous.getZ() == blockposition.getZ()) { + return CraftMagicNumbers.getBlock(previous.getTypeId()).fromLegacyData(previous.getRawData()); + } + } + } + // CraftBukkit end + Chunk chunk = this.getChunkIfLoaded(blockposition); + if (chunk != null) { + return this.isValidLocation(blockposition) ? chunk.getBlockData(blockposition) : Blocks.AIR.getBlockData(); + } + return null; + } + // Paper end + public IBlockData getType(BlockPosition blockposition) { // CraftBukkit start - tree generation if (captureTreeGeneration) { -- 2.17.1