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--- ../work/decompile-8eb82bde//net/minecraft/server/PlayerChunkMap.java 2014-11-28 11:22:56.142823158 +0000
+++ src/main/java/net/minecraft/server/PlayerChunkMap.java 2014-11-28 11:01:54.000000000 +0000
@@ -7,17 +7,24 @@
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;
+// CraftBukkit end
+
public class PlayerChunkMap {
private static final Logger a = LogManager.getLogger();
private final WorldServer world;
private final List managedPlayers = Lists.newArrayList();
private final LongHashMap d = new LongHashMap();
- private final List e = Lists.newArrayList();
- private final List f = Lists.newArrayList();
+ private final Queue e = new java.util.concurrent.ConcurrentLinkedQueue(); // CraftBukkit ArrayList -> ConcurrentLinkedQueue
+ private final Queue f = new java.util.concurrent.ConcurrentLinkedQueue(); // 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;
@@ -35,28 +42,39 @@
if (i - this.h > 8000L) {
this.h = i;
-
- for (j = 0; j < this.f.size(); ++j) {
- playerchunk = (PlayerChunk) this.f.get(j);
+
+ // CraftBukkit start - Use iterator
+ java.util.Iterator iterator = this.f.iterator();
+ while (iterator.hasNext()) {
+ playerchunk = (PlayerChunk) iterator.next();
playerchunk.b();
playerchunk.a();
}
} else {
- for (j = 0; j < this.e.size(); ++j) {
- playerchunk = (PlayerChunk) this.e.get(j);
+ java.util.Iterator iterator = this.e.iterator();
+
+ while (iterator.hasNext()) {
+ playerchunk = (PlayerChunk) iterator.next();
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
}
public boolean a(int i, int j) {
@@ -77,6 +95,16 @@
return playerchunk;
}
+
+ // CraftBukkit start - add method
+ public final boolean isChunkInUse(int x, int z) {
+ PlayerChunk pi = a(x, z, false);
+ if (pi != null) {
+ return (PlayerChunk.b(pi).size() > 0);
+ }
+ return false;
+ }
+ // CraftBukkit end
public void flagDirty(BlockPosition blockposition) {
int i = blockposition.getX() >> 4;
@@ -95,13 +123,22 @@
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 +225,13 @@
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 +247,17 @@
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
}
}
}
@@ -274,11 +323,54 @@
return playerchunkmap.d;
}
- static List c(PlayerChunkMap playerchunkmap) {
+ static Queue c(PlayerChunkMap playerchunkmap) { // CraftBukkit List -> Queue
return playerchunkmap.f;
}
- static List d(PlayerChunkMap playerchunkmap) {
+ static Queue d(PlayerChunkMap playerchunkmap) { // CraftBukkit List -> Queue
return playerchunkmap.e;
}
+
+ // 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
}
|
