Paper/Spigot-Server-Patches/0032-Add-player-view-distance-API.patch
Aikar 87a726351b
[Auto] Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
7634491f Added Entity#setRotation.

CraftBukkit Changes:
0e1cea5a Added Entity#setRotation.
2019-04-03 04:51:39 -04:00

281 lines
12 KiB
Diff

From b17663fbf677eecd6fbf6267217415c338faf4f2 Mon Sep 17 00:00:00 2001
From: Byteflux <byte@byteflux.net>
Date: Wed, 2 Mar 2016 14:35:27 -0600
Subject: [PATCH] Add player view distance API
diff --git a/src/main/java/net/minecraft/server/EntityHuman.java b/src/main/java/net/minecraft/server/EntityHuman.java
index 58e037e13..e97bb2305 100644
--- a/src/main/java/net/minecraft/server/EntityHuman.java
+++ b/src/main/java/net/minecraft/server/EntityHuman.java
@@ -71,6 +71,15 @@ public abstract class EntityHuman extends EntityLiving {
// Paper start
public boolean affectsSpawning = true;
// Paper end
+ // Paper start - Player view distance API
+ private int viewDistance = -1;
+ public int getViewDistance() {
+ return viewDistance == -1 ? ((WorldServer) world).getPlayerChunkMap().getViewDistance() : viewDistance;
+ }
+ public void setViewDistance(int viewDistance) {
+ this.viewDistance = viewDistance;
+ }
+ // Paper end
// CraftBukkit start
public boolean fauxSleeping;
diff --git a/src/main/java/net/minecraft/server/EntityTracker.java b/src/main/java/net/minecraft/server/EntityTracker.java
index 45ab33d1a..3854ae976 100644
--- a/src/main/java/net/minecraft/server/EntityTracker.java
+++ b/src/main/java/net/minecraft/server/EntityTracker.java
@@ -200,6 +200,7 @@ public class EntityTracker {
}
+ public void updatePlayer(EntityPlayer entityplayer) { a(entityplayer); } // Paper - OBFHELPER
public void a(EntityPlayer entityplayer) {
Iterator iterator = this.c.iterator();
diff --git a/src/main/java/net/minecraft/server/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
index d00401ce1..dd6c84b4a 100644
--- a/src/main/java/net/minecraft/server/EntityTrackerEntry.java
+++ b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
@@ -435,7 +435,7 @@ public class EntityTrackerEntry {
public boolean c(EntityPlayer entityplayer) {
double d0 = entityplayer.locX - (double) this.xLoc / 4096.0D;
double d1 = entityplayer.locZ - (double) this.zLoc / 4096.0D;
- int i = Math.min(this.e, this.f);
+ int i = Math.min(this.e, (entityplayer.getViewDistance() - 1) * 16); // Paper - Use player view distance API
return d0 >= (double) (-i) && d0 <= (double) i && d1 >= (double) (-i) && d1 <= (double) i && this.tracker.a(entityplayer);
}
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index e01222ad2..55161af9c 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -33,7 +33,7 @@ public class PlayerChunkMap {
private final List<PlayerChunk> g = Lists.newLinkedList();
private final List<PlayerChunk> h = Lists.newLinkedList();
private final List<PlayerChunk> i = Lists.newArrayList();
- private int j;
+ private int j;public int getViewDistance() { return j; } // Paper OBFHELPER
private long k;
private boolean l = true;
private boolean m = true;
@@ -257,8 +257,11 @@ public class PlayerChunkMap {
// CraftBukkit start - Load nearby chunks first
List<ChunkCoordIntPair> chunkList = new LinkedList<ChunkCoordIntPair>();
- for (int k = i - this.j; k <= i + this.j; ++k) {
- for (int l = j - this.j; l <= j + this.j; ++l) {
+ // Paper start - Player view distance API
+ int viewDistance = entityplayer.getViewDistance();
+ for (int k = i - viewDistance; k <= i + viewDistance; ++k) {
+ for (int l = j - viewDistance; l <= j + viewDistance; ++l) {
+ // Paper end
chunkList.add(new ChunkCoordIntPair(k, l));
}
}
@@ -277,8 +280,11 @@ public class PlayerChunkMap {
int i = (int) entityplayer.d >> 4;
int j = (int) entityplayer.e >> 4;
- for (int k = i - this.j; k <= i + this.j; ++k) {
- for (int l = j - this.j; l <= j + this.j; ++l) {
+ // Paper start - Player view distance API
+ int viewDistance = entityplayer.getViewDistance();
+ for (int k = i - viewDistance; k <= i + viewDistance; ++k) {
+ for (int l = j - viewDistance; l <= j + viewDistance; ++l) {
+ // Paper end
PlayerChunk playerchunk = this.getChunk(k, l);
if (playerchunk != null) {
@@ -308,7 +314,8 @@ public class PlayerChunkMap {
if (d2 >= 64.0D) {
int k = (int) entityplayer.d >> 4;
int l = (int) entityplayer.e >> 4;
- int i1 = this.j;
+ int i1 = entityplayer.getViewDistance(); // Paper - Player view distance API
+
int j1 = i - k;
int k1 = j - l;
@@ -352,6 +359,8 @@ public class PlayerChunkMap {
return playerchunk != null && playerchunk.d(entityplayer) && playerchunk.e();
}
+ public final void setViewDistanceForAll(int viewDistance) { this.a(viewDistance); } // Paper - OBFHELPER
+ // Paper start - Separate into two methods
public void a(int i) {
i = MathHelper.clamp(i, 3, 32);
if (i != this.j) {
@@ -361,36 +370,55 @@ public class PlayerChunkMap {
while (iterator.hasNext()) {
EntityPlayer entityplayer = (EntityPlayer) iterator.next();
- int k = (int) entityplayer.locX >> 4;
- int l = (int) entityplayer.locZ >> 4;
- int i1;
- int j1;
-
- if (j > 0) {
- for (i1 = k - i; i1 <= k + i; ++i1) {
- for (j1 = l - i; j1 <= l + i; ++j1) {
- PlayerChunk playerchunk = this.c(i1, j1);
-
- if (!playerchunk.d(entityplayer)) {
- playerchunk.a(entityplayer);
- }
+ this.setViewDistance(entityplayer, i, false); // Paper - Split, don't mark sort pending, we'll handle it after
+ }
+
+ this.j = i;
+ this.e();
+ }
+ }
+
+ public void setViewDistance(EntityPlayer entityplayer, int i) {
+ this.setViewDistance(entityplayer, i, true); // Mark sort pending by default so we don't have to remember to do so all the time
+ }
+
+ // Copied from above with minor changes
+ public void setViewDistance(EntityPlayer entityplayer, int i, boolean markSort) {
+ i = MathHelper.clamp(i, 3, 32);
+ int oldViewDistance = entityplayer.getViewDistance();
+ if (i != oldViewDistance) {
+ int j = i - oldViewDistance;
+
+ int k = (int) entityplayer.locX >> 4;
+ int l = (int) entityplayer.locZ >> 4;
+ int i1;
+ int j1;
+
+ if (j > 0) {
+ for (i1 = k - i; i1 <= k + i; ++i1) {
+ for (j1 = l - i; j1 <= l + i; ++j1) {
+ PlayerChunk playerchunk = this.c(i1, j1);
+
+ if (!playerchunk.d(entityplayer)) {
+ playerchunk.a(entityplayer);
}
}
- } else {
- for (i1 = k - this.j; i1 <= k + this.j; ++i1) {
- for (j1 = l - this.j; j1 <= l + this.j; ++j1) {
- if (!this.a(i1, j1, k, l, i)) {
- this.c(i1, j1).b(entityplayer);
- }
+ }
+ } else {
+ for (i1 = k - oldViewDistance; i1 <= k + oldViewDistance; ++i1) {
+ for (j1 = l - oldViewDistance; j1 <= l + oldViewDistance; ++j1) {
+ if (!this.a(i1, j1, k, l, i)) {
+ this.c(i1, j1).b(entityplayer);
}
}
}
+ if (markSort) {
+ this.e();
+ }
}
-
- this.j = i;
- this.e();
}
}
+ // Paper end
private void e() {
this.l = true;
@@ -469,4 +497,32 @@ public class PlayerChunkMap {
}
}
// CraftBukkit end
+
+ // Paper start - Player view distance API
+ public void updateViewDistance(EntityPlayer player, int distanceIn) {
+ final int oldViewDistance = player.getViewDistance();
+
+ // This represents the view distance that we will set on the player
+ // It can exist as a negative value
+ int playerViewDistance = MathHelper.clamp(distanceIn, 3, 32);
+
+ // This value is the one we actually use to update the chunk map
+ // We don't ever want this to be a negative
+ int toSet = playerViewDistance;
+
+ if (distanceIn < 0) {
+ playerViewDistance = -1;
+ toSet = world.getPlayerChunkMap().getViewDistance();
+ }
+
+ if (toSet != oldViewDistance) {
+ // Order matters
+ this.setViewDistance(player, toSet);
+ player.setViewDistance(playerViewDistance);
+
+ //Force update entity trackers
+ this.getWorld().getTracker().updatePlayer(player);
+ }
+ }
+ // Paper end
}
diff --git a/src/main/java/net/minecraft/server/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java
index 4eaa5d93b..6720a9648 100644
--- a/src/main/java/net/minecraft/server/SpawnerCreature.java
+++ b/src/main/java/net/minecraft/server/SpawnerCreature.java
@@ -44,7 +44,7 @@ public final class SpawnerCreature {
boolean flag3 = true;
// Spigot Start
byte b0 = worldserver.spigotConfig.mobSpawnRange;
- b0 = ( b0 > worldserver.spigotConfig.viewDistance ) ? (byte) worldserver.spigotConfig.viewDistance : b0;
+ b0 = ( b0 > entityhuman.getViewDistance() ) ? (byte) entityhuman.getViewDistance() : b0; // Paper - Use player view distance API
b0 = ( b0 > 8 ) ? 8 : b0;
for (int i1 = -b0; i1 <= b0; ++i1) {
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 0ee063bcd..5496fae40 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1626,6 +1626,16 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
public boolean getAffectsSpawning() {
return this.getHandle().affectsSpawning;
}
+
+ @Override
+ public int getViewDistance() {
+ return getHandle().getViewDistance();
+ }
+
+ @Override
+ public void setViewDistance(int viewDistance) {
+ ((WorldServer) getHandle().world).getPlayerChunkMap().updateViewDistance(getHandle(), viewDistance);
+ }
// Paper end
@Override
diff --git a/src/main/java/org/spigotmc/ActivationRange.java b/src/main/java/org/spigotmc/ActivationRange.java
index a95f93eb7..09df00e94 100644
--- a/src/main/java/org/spigotmc/ActivationRange.java
+++ b/src/main/java/org/spigotmc/ActivationRange.java
@@ -108,13 +108,13 @@ public class ActivationRange
int maxRange = Math.max( monsterActivationRange, animalActivationRange );
maxRange = Math.max( maxRange, miscActivationRange );
- maxRange = Math.min( ( world.spigotConfig.viewDistance << 4 ) - 8, maxRange );
+ //maxRange = Math.min( ( world.spigotConfig.viewDistance << 4 ) - 8, maxRange ); Paper - Use player view distance API below instead
for ( EntityHuman player : world.players )
{
-
+ int playerMaxRange = maxRange = Math.min( ( player.getViewDistance() << 4 ) - 8, maxRange ); // Paper - Use player view distance API
player.activatedTick = MinecraftServer.currentTick;
- maxBB = player.getBoundingBox().grow( maxRange, 256, maxRange );
+ maxBB = player.getBoundingBox().grow( playerMaxRange, 256, playerMaxRange ); // Paper - Use player view distance API
miscBB = player.getBoundingBox().grow( miscActivationRange, 256, miscActivationRange );
animalBB = player.getBoundingBox().grow( animalActivationRange, 256, animalActivationRange );
monsterBB = player.getBoundingBox().grow( monsterActivationRange, 256, monsterActivationRange );
--
2.21.0