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Minecraft does double checking for synchronous generation, but since we generate chunks asynchronously we are required to check the first condition also in case the chunk was loaded between ticks. We leave the other logic to be cleaned up by the loops below.
153 lines
4.7 KiB
Diff
153 lines
4.7 KiB
Diff
--- a/net/minecraft/server/PlayerChunkMap.java
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+++ b/net/minecraft/server/PlayerChunkMap.java
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@@ -15,6 +15,10 @@
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import java.util.Set;
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import javax.annotation.Nullable;
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+// CraftBukkit start
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+import java.util.LinkedList;
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+// CraftBukkit end
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+
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public class PlayerChunkMap {
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private static final Predicate<EntityPlayer> a = new Predicate() {
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@@ -46,6 +50,7 @@
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private long k;
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private boolean l = true;
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private boolean m = true;
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+ private boolean wasNotEmpty; // CraftBukkit - add field
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public PlayerChunkMap(WorldServer worldserver) {
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this.world = worldserver;
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@@ -169,7 +174,11 @@
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break;
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}
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}
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+ // CraftBukkit start - SPIGOT-2891: remove once chunk has been provided
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+ } else {
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+ iterator1.remove();
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}
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+ // CraftBukkit end
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}
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}
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@@ -231,6 +240,16 @@
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return playerchunk;
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}
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+ // CraftBukkit start - add method
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+ public final boolean isChunkInUse(int x, int z) {
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+ PlayerChunk pi = getChunk(x, z);
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+ if (pi != null) {
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+ return (pi.c.size() > 0);
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+ }
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+ return false;
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+ }
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+ // CraftBukkit end
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+
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public void flagDirty(BlockPosition blockposition) {
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int i = blockposition.getX() >> 4;
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int j = blockposition.getZ() >> 4;
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@@ -249,12 +268,22 @@
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entityplayer.d = entityplayer.locX;
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entityplayer.e = entityplayer.locZ;
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+
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+ // CraftBukkit start - Load nearby chunks first
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+ List<ChunkCoordIntPair> chunkList = new LinkedList<ChunkCoordIntPair>();
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+
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for (int k = i - this.j; k <= i + this.j; ++k) {
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for (int l = j - this.j; l <= j + this.j; ++l) {
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- this.c(k, l).a(entityplayer);
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+ chunkList.add(new ChunkCoordIntPair(k, l));
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}
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}
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+ Collections.sort(chunkList, new ChunkCoordComparator(entityplayer));
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+ for (ChunkCoordIntPair pair : chunkList) {
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+ this.c(pair.x, pair.z).a(entityplayer);
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+ }
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+ // CraftBukkit end
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+
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this.managedPlayers.add(entityplayer);
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this.e();
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}
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@@ -298,11 +327,14 @@
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int j1 = i - k;
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int k1 = j - l;
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+ List<ChunkCoordIntPair> chunksToLoad = new LinkedList<ChunkCoordIntPair>(); // CraftBukkit
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+
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if (j1 != 0 || k1 != 0) {
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for (int l1 = i - i1; l1 <= i + i1; ++l1) {
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for (int i2 = j - i1; i2 <= j + i1; ++i2) {
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if (!this.a(l1, i2, k, l, i1)) {
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- this.c(l1, i2).a(entityplayer);
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+ // this.c(l1, i2).a(entityplayer);
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+ chunksToLoad.add(new ChunkCoordIntPair(l1, i2)); // CraftBukkit
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}
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if (!this.a(l1 - j1, i2 - k1, i, j, i1)) {
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@@ -318,6 +350,13 @@
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entityplayer.d = entityplayer.locX;
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entityplayer.e = entityplayer.locZ;
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this.e();
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+
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+ // CraftBukkit start - send nearest chunks first
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+ Collections.sort(chunksToLoad, new ChunkCoordComparator(entityplayer));
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+ for (ChunkCoordIntPair pair : chunksToLoad) {
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+ this.c(pair.x, pair.z).a(entityplayer);
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+ }
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+ // CraftBukkit end
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}
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}
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}
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@@ -402,4 +441,47 @@
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}
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}
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+
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+ // CraftBukkit start - Sorter to load nearby chunks first
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+ private static class ChunkCoordComparator implements java.util.Comparator<ChunkCoordIntPair> {
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+ private int x;
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+ private int z;
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+
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+ public ChunkCoordComparator (EntityPlayer entityplayer) {
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+ x = (int) entityplayer.locX >> 4;
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+ z = (int) entityplayer.locZ >> 4;
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+ }
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+
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+ public int compare(ChunkCoordIntPair a, ChunkCoordIntPair b) {
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+ if (a.equals(b)) {
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+ return 0;
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+ }
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+
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+ // Subtract current position to set center point
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+ int ax = a.x - this.x;
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+ int az = a.z - this.z;
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+ int bx = b.x - this.x;
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+ int bz = b.z - this.z;
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+
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+ int result = ((ax - bx) * (ax + bx)) + ((az - bz) * (az + bz));
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+ if (result != 0) {
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+ return result;
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+ }
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+
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+ if (ax < 0) {
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+ if (bx < 0) {
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+ return bz - az;
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+ } else {
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+ return -1;
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+ }
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+ } else {
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+ if (bx < 0) {
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+ return 1;
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+ } else {
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+ return az - bz;
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+ }
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+ }
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+ }
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+ }
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+ // CraftBukkit end
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}
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