Paper/Spigot-Server-Patches/0077-Add-World-Util-Methods.patch
Aikar 18c3716c49
Current Chunk for Entity and Block Entities, counts by entity type
This enables us a fast reference to the entities current chunk instead
of having to look it up by hashmap lookups.

We also store counts by type to further enable other performance optimizations in later patches.
2018-07-04 03:58:56 -04:00

124 lines
5.3 KiB
Diff

From 9f9ec804809dd8bf00e6cbb2c633594403f24a29 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
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 0788f7712..57b23a018 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -610,6 +610,7 @@ 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<Entity> j = Lists.newArrayList();
protected final IntHashMap<Entity> 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<BlockState> 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) {
--
2.18.0