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db5fd9c79e
Paper/nms-patches/PlayerChunkMap.patch
Thinkofdeath d8a9c7be42 Update to Minecraft 1.8.3
2015-03-04 09:48:58 +00:00

272 Zeilen
11 KiB
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--- /home/matt/mc-dev-private//net/minecraft/server/PlayerChunkMap.java 2015-02-26 22:40:22.991608135 +0000
+++ src/main/java/net/minecraft/server/PlayerChunkMap.java 2015-02-26 22:40:22.991608135 +0000
@@ -7,17 +7,26 @@
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
+// CraftBukkit start
+import java.util.Collections;
+import java.util.Queue;
+import java.util.LinkedList;
+import org.bukkit.craftbukkit.chunkio.ChunkIOExecutor;
+import java.util.HashMap;
+// CraftBukkit end
+
public class PlayerChunkMap {
private static final Logger a = LogManager.getLogger();
private final WorldServer world;
private final List<EntityPlayer> managedPlayers = Lists.newArrayList();
private final LongHashMap<PlayerChunkMap.PlayerChunk> d = new LongHashMap();
- private final List<PlayerChunkMap.PlayerChunk> e = Lists.newArrayList();
- private final List<PlayerChunkMap.PlayerChunk> f = Lists.newArrayList();
+ private final Queue<PlayerChunkMap.PlayerChunk> e = new java.util.concurrent.ConcurrentLinkedQueue<PlayerChunkMap.PlayerChunk>(); // CraftBukkit ArrayList -> ConcurrentLinkedQueue
+ private final Queue<PlayerChunkMap.PlayerChunk> f = new java.util.concurrent.ConcurrentLinkedQueue<PlayerChunkMap.PlayerChunk>(); // CraftBukkit ArrayList -> ConcurrentLinkedQueue
private int g;
private long h;
private final int[][] i = new int[][] { { 1, 0}, { 0, 1}, { -1, 0}, { 0, -1}};
+ private boolean wasNotEmpty; // CraftBukkit - add field
public PlayerChunkMap(WorldServer worldserver) {
this.world = worldserver;
@@ -36,26 +45,37 @@
if (i - this.h > 8000L) {
this.h = i;
- for (j = 0; j < this.f.size(); ++j) {
- playerchunkmap_playerchunk = (PlayerChunkMap.PlayerChunk) this.f.get(j);
+ // CraftBukkit start - Use iterator
+ java.util.Iterator iterator = this.f.iterator();
+ while (iterator.hasNext()) {
+ playerchunkmap_playerchunk = (PlayerChunk) iterator.next();
playerchunkmap_playerchunk.b();
playerchunkmap_playerchunk.a();
}
} else {
- for (j = 0; j < this.e.size(); ++j) {
- playerchunkmap_playerchunk = (PlayerChunkMap.PlayerChunk) this.e.get(j);
+ java.util.Iterator iterator = this.e.iterator();
+ while (iterator.hasNext()) {
+ playerchunkmap_playerchunk = (PlayerChunk) iterator.next();
playerchunkmap_playerchunk.b();
+ iterator.remove();
+ // CraftBukkit end
}
}
- this.e.clear();
+ // this.e.clear(); //CraftBukkit - Removals are already covered
if (this.managedPlayers.isEmpty()) {
+ if (!wasNotEmpty) return; // CraftBukkit - Only do unload when we go from non-empty to empty
WorldProvider worldprovider = this.world.worldProvider;
if (!worldprovider.e()) {
this.world.chunkProviderServer.b();
}
+ // CraftBukkit start
+ wasNotEmpty = false;
+ } else {
+ wasNotEmpty = true;
}
+ // CraftBukkit end
}
@@ -78,6 +98,16 @@
return playerchunkmap_playerchunk;
}
+ // CraftBukkit start - add method
+ public final boolean isChunkInUse(int x, int z) {
+ PlayerChunk pi = a(x, z, false);
+ if (pi != null) {
+ return (pi.b.size() > 0);
+ }
+ return false;
+ }
+ // CraftBukkit end
+
public void flagDirty(BlockPosition blockposition) {
int i = blockposition.getX() >> 4;
int j = blockposition.getZ() >> 4;
@@ -96,11 +126,20 @@
entityplayer.d = entityplayer.locX;
entityplayer.e = entityplayer.locZ;
+ // CraftBukkit start - Load nearby chunks first
+ List<ChunkCoordIntPair> chunkList = new LinkedList<ChunkCoordIntPair>();
+
for (int k = i - this.g; k <= i + this.g; ++k) {
for (int l = j - this.g; l <= j + this.g; ++l) {
- this.a(k, l, true).a(entityplayer);
+ chunkList.add(new ChunkCoordIntPair(k, l));
}
}
+
+ Collections.sort(chunkList, new ChunkCoordComparator(entityplayer));
+ for (ChunkCoordIntPair pair : chunkList) {
+ this.a(pair.x, pair.z, true).a(entityplayer);
+ }
+ // CraftBukkit end
this.managedPlayers.add(entityplayer);
this.b(entityplayer);
@@ -188,12 +227,13 @@
int i1 = this.g;
int j1 = i - k;
int k1 = j - l;
+ List<ChunkCoordIntPair> chunksToLoad = new LinkedList<ChunkCoordIntPair>(); // CraftBukkit
if (j1 != 0 || k1 != 0) {
for (int l1 = i - i1; l1 <= i + i1; ++l1) {
for (int i2 = j - i1; i2 <= j + i1; ++i2) {
if (!this.a(l1, i2, k, l, i1)) {
- this.a(l1, i2, true).a(entityplayer);
+ chunksToLoad.add(new ChunkCoordIntPair(l1, i2)); // CraftBukkit
}
if (!this.a(l1 - j1, i2 - k1, i, j, i1)) {
@@ -209,6 +249,17 @@
this.b(entityplayer);
entityplayer.d = entityplayer.locX;
entityplayer.e = entityplayer.locZ;
+
+ // CraftBukkit start - send nearest chunks first
+ Collections.sort(chunksToLoad, new ChunkCoordComparator(entityplayer));
+ for (ChunkCoordIntPair pair : chunksToLoad) {
+ this.a(pair.x, pair.z, true).a(entityplayer);
+ }
+
+ if (j1 > 1 || j1 < -1 || k1 > 1 || k1 < -1) {
+ Collections.sort(entityplayer.chunkCoordIntPairQueue, new ChunkCoordComparator(entityplayer));
+ }
+ // CraftBukkit end
}
}
}
@@ -271,12 +322,22 @@
private int f;
private long g;
+ // CraftBukkit start - add fields
+ private final HashMap<EntityPlayer, Runnable> players = new HashMap<EntityPlayer, Runnable>();
+ private boolean loaded = false;
+ private Runnable loadedRunnable = new Runnable() {
+ public void run() {
+ PlayerChunk.this.loaded = true;
+ }
+ };
+ // CraftBukkit end
+
public PlayerChunk(int i, int j) {
this.location = new ChunkCoordIntPair(i, j);
- PlayerChunkMap.this.a().chunkProviderServer.getChunkAt(i, j);
+ PlayerChunkMap.this.a().chunkProviderServer.getChunkAt(i, j, loadedRunnable); // CraftBukkit
}
- public void a(EntityPlayer entityplayer) {
+ public void a(final EntityPlayer entityplayer) { // CraftBukkit - added final to argument
if (this.b.contains(entityplayer)) {
PlayerChunkMap.a.debug("Failed to add player. {} already is in chunk {}, {}", new Object[] { entityplayer, Integer.valueOf(this.location.x), Integer.valueOf(this.location.z)});
} else {
@@ -285,18 +346,50 @@
}
this.b.add(entityplayer);
- entityplayer.chunkCoordIntPairQueue.add(this.location);
+ // CraftBukkit start - use async chunk io
+ Runnable playerRunnable;
+ if (this.loaded) {
+ playerRunnable = null;
+ entityplayer.chunkCoordIntPairQueue.add(this.location);
+ } else {
+ playerRunnable = new Runnable() {
+ public void run() {
+ entityplayer.chunkCoordIntPairQueue.add(PlayerChunk.this.location);
+ }
+ };
+ PlayerChunkMap.this.a().chunkProviderServer.getChunkAt(this.location.x, this.location.z, playerRunnable);
+ }
+
+ this.players.put(entityplayer, playerRunnable);
+ // CraftBukkit end
}
}
public void b(EntityPlayer entityplayer) {
if (this.b.contains(entityplayer)) {
+ // CraftBukkit start - If we haven't loaded yet don't load the chunk just so we can clean it up
+ if (!this.loaded) {
+ ChunkIOExecutor.dropQueuedChunkLoad(PlayerChunkMap.this.a(), this.location.x, this.location.z, this.players.get(entityplayer));
+ this.b.remove(entityplayer);
+ this.players.remove(entityplayer);
+
+ if (this.b.isEmpty()) {
+ ChunkIOExecutor.dropQueuedChunkLoad(PlayerChunkMap.this.a(), this.location.x, this.location.z, this.loadedRunnable);
+ long i = (long) this.location.x + 2147483647L | (long) this.location.z + 2147483647L << 32;
+ PlayerChunkMap.this.d.remove(i);
+ PlayerChunkMap.this.f.remove(this);
+ }
+
+ return;
+ }
+ // CraftBukkit end
Chunk chunk = PlayerChunkMap.this.world.getChunkAt(this.location.x, this.location.z);
if (chunk.isReady()) {
entityplayer.playerConnection.sendPacket(new PacketPlayOutMapChunk(chunk, true, 0));
}
+ this.players.remove(entityplayer); // CraftBukkit
this.b.remove(entityplayer);
entityplayer.chunkCoordIntPairQueue.remove(this.location);
if (this.b.isEmpty()) {
@@ -421,4 +514,47 @@
}
}
+
+ // CraftBukkit start - Sorter to load nearby chunks first
+ private static class ChunkCoordComparator implements java.util.Comparator<ChunkCoordIntPair> {
+ private int x;
+ private int z;
+
+ public ChunkCoordComparator (EntityPlayer entityplayer) {
+ x = (int) entityplayer.locX >> 4;
+ z = (int) entityplayer.locZ >> 4;
+ }
+
+ public int compare(ChunkCoordIntPair a, ChunkCoordIntPair b) {
+ if (a.equals(b)) {
+ return 0;
+ }
+
+ // Subtract current position to set center point
+ int ax = a.x - this.x;
+ int az = a.z - this.z;
+ int bx = b.x - this.x;
+ int bz = b.z - this.z;
+
+ int result = ((ax - bx) * (ax + bx)) + ((az - bz) * (az + bz));
+ if (result != 0) {
+ return result;
+ }
+
+ if (ax < 0) {
+ if (bx < 0) {
+ return bz - az;
+ } else {
+ return -1;
+ }
+ } else {
+ if (bx < 0) {
+ return 1;
+ } else {
+ return az - bz;
+ }
+ }
+ }
+ }
+ // CraftBukkit end
}
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