From b50024fe4c26652f55fcb2aa4f395130838e7a49 Mon Sep 17 00:00:00 2001 From: md_5 Date: Tue, 11 Jun 2013 12:56:02 +1000 Subject: [PATCH] Better Chunk Tick Selection diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java index 3a4ddea..ddf84f8 100644 --- a/src/main/java/net/minecraft/server/World.java +++ b/src/main/java/net/minecraft/server/World.java @@ -66,13 +66,35 @@ public abstract class World implements IBlockAccess { // CraftBukkit start - public, longhashset public boolean allowMonsters = true; public boolean allowAnimals = true; - protected LongHashSet chunkTickList = new LongHashSet(); public long ticksPerAnimalSpawns; public long ticksPerMonsterSpawns; // CraftBukkit end private int O; int[] H; public boolean isStatic; + // Spigot start + protected final gnu.trove.map.hash.TLongShortHashMap chunkTickList; + protected float growthOdds = 100; + protected float modifiedOdds = 100; + private final byte chunkTickRadius; + + public static long chunkToKey(int x, int z) + { + long k = ( ( ( (long) x ) & 0xFFFF0000L ) << 16 ) | ( ( ( (long) x ) & 0x0000FFFFL ) << 0 ); + k |= ( ( ( (long) z ) & 0xFFFF0000L ) << 32 ) | ( ( ( (long) z ) & 0x0000FFFFL ) << 16 ); + return k; + } + + public static int keyToX(long k) + { + return (int) ( ( ( k >> 16 ) & 0xFFFF0000 ) | ( k & 0x0000FFFF ) ); + } + + public static int keyToZ(long k) + { + return (int) ( ( ( k >> 32 ) & 0xFFFF0000L ) | ( ( k >> 16 ) & 0x0000FFFF ) ); + } + // Spigot end public BiomeBase getBiome(int i, int j) { if (this.isLoaded(i, 0, j)) { @@ -115,6 +137,11 @@ public abstract class World implements IBlockAccess { this.ticksPerAnimalSpawns = this.getServer().getTicksPerAnimalSpawns(); // CraftBukkit this.ticksPerMonsterSpawns = this.getServer().getTicksPerMonsterSpawns(); // CraftBukkit // CraftBukkit end + // Spigot start + this.chunkTickRadius = (byte) ( ( this.getServer().getViewDistance() < 7 ) ? this.getServer().getViewDistance() : 7 ); + this.chunkTickList = new gnu.trove.map.hash.TLongShortHashMap( world.growthPerTick * 5, 0.7f, Long.MIN_VALUE, Short.MIN_VALUE ); + this.chunkTickList.setAutoCompactionFactor( 0 ); + // Spigot end this.O = this.random.nextInt(12000); this.H = new int['\u8000']; @@ -1954,24 +1981,44 @@ public abstract class World implements IBlockAccess { int j; int k; + // Spigot start + int optimalChunks = this.getWorld().growthPerTick; + // Quick conditions to allow us to exist early + if ( optimalChunks <= 0 || players.isEmpty() ) + { + return; + } + // Keep chunks with growth inside of the optimal chunk range + int chunksPerPlayer = Math.min( 200, Math.max( 1, (int) ( ( ( optimalChunks - players.size() ) / (double) players.size() ) + 0.5 ) ) ); + int randRange = 3 + chunksPerPlayer / 30; + // Limit to normal tick radius - including view distance + randRange = ( randRange > chunkTickRadius ) ? chunkTickRadius : randRange; + // odds of growth happening vs growth happening in vanilla + this.growthOdds = this.modifiedOdds = Math.max( 35, Math.min( 100, ( ( chunksPerPlayer + 1 ) * 100F ) / 15F ) ); + // Spigot end for (i = 0; i < this.players.size(); ++i) { entityhuman = (EntityHuman) this.players.get(i); j = MathHelper.floor(entityhuman.locX / 16.0D); k = MathHelper.floor(entityhuman.locZ / 16.0D); byte b0 = 7; - for (int l = -b0; l <= b0; ++l) { - for (int i1 = -b0; i1 <= b0; ++i1) { - // CraftBukkit start - Don't tick chunks queued for unload - ChunkProviderServer chunkProviderServer = ((WorldServer) entityhuman.world).chunkProviderServer; - if (chunkProviderServer.unloadQueue.contains(l + j, i1 + k)) { - continue; - } - // CraftBukkit end - - this.chunkTickList.add(org.bukkit.craftbukkit.util.LongHash.toLong(l + j, i1 + k)); // CraftBukkit + // Spigot start - Always update the chunk the player is on + long key = chunkToKey( j, k ); + int existingPlayers = Math.max( 0, chunkTickList.get( key ) ); // filter out -1 + chunkTickList.put(key, (short) (existingPlayers + 1)); + + // Check and see if we update the chunks surrounding the player this tick + for ( int chunk = 0; chunk < chunksPerPlayer; chunk++ ) + { + int dx = ( random.nextBoolean() ? 1 : -1 ) * random.nextInt( randRange ); + int dz = ( random.nextBoolean() ? 1 : -1 ) * random.nextInt( randRange ); + long hash = chunkToKey( dx + j, dz + k ); + if ( !chunkTickList.contains( hash ) && this.isChunkLoaded( dx + j, dz + k ) ) + { + chunkTickList.put( hash, (short) -1 ); // no players } } + // Spigot End } this.methodProfiler.b(); diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java index 49360c1..6c3fcf1 100644 --- a/src/main/java/net/minecraft/server/WorldServer.java +++ b/src/main/java/net/minecraft/server/WorldServer.java @@ -301,9 +301,19 @@ public class WorldServer extends World implements org.bukkit.BlockChangeDelegate // CraftBukkit start // Iterator iterator = this.chunkTickList.iterator(); - for (long chunkCoord : this.chunkTickList.popAll()) { - int chunkX = LongHash.msw(chunkCoord); - int chunkZ = LongHash.lsw(chunkCoord); + // Spigot start + for (gnu.trove.iterator.TLongShortIterator iter = chunkTickList.iterator(); iter.hasNext();) { + iter.advance(); + long chunkCoord = iter.key(); + int chunkX = World.keyToX(chunkCoord); + int chunkZ = World.keyToZ(chunkCoord); + // If unloaded, or in procedd of being unloaded, drop it + if ( ( !this.isChunkLoaded( chunkX, chunkZ ) ) || ( this.chunkProviderServer.unloadQueue.contains( chunkX, chunkZ ) ) ) + { + iter.remove(); + continue; + } + // Spigot end // ChunkCoordIntPair chunkcoordintpair = (ChunkCoordIntPair) iterator.next(); int k = chunkX * 16; int l = chunkZ * 16; @@ -401,6 +411,7 @@ public class WorldServer extends World implements org.bukkit.BlockChangeDelegate if (block != null && block.isTicking()) { ++i; + this.growthOdds = (iter.value() < 1) ? this.modifiedOdds : 100; // Spigot - grow fast if no players are in this chunk (value = player count) block.a(this, k2 + k, i3 + chunksection.getYPosition(), l2 + l, this.random); } } diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java index 430a9c0..d28a4c8 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java @@ -67,6 +67,9 @@ public class CraftWorld implements World { private int chunkGCTickCount; private static final Random rand = new Random(); + // Spigot start + public int growthPerTick = 650; + // Spigot end public CraftWorld(WorldServer world, ChunkGenerator gen, Environment env) { this.world = world; @@ -90,14 +93,17 @@ public class CraftWorld implements World { // Load defaults first boolean info = configuration.getBoolean( "world-settings.default.info", true ); + growthPerTick = configuration.getInt( "world-settings.default.growth-chunks-per-tick", growthPerTick ); // Override defaults with world specific, if they exist info = configuration.getBoolean( "world-settings." + name + ".info", info ); + growthPerTick = configuration.getInt( "world-settings." + name + ".growth-chunks-per-tick", growthPerTick ); if ( info ) { server.getLogger().info( "-------------- Spigot ----------------" ); server.getLogger().info( "-------- World Settings For [" + name + "] --------" ); + server.getLogger().info( "Growth Per Tick: " + growthPerTick ); server.getLogger().info( "-------------------------------------------------" ); } // Spigot end -- 1.8.1.2