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Cap Entity Collisions - Resolves #577 

Limit a single entity to colliding a max of configurable times per tick.
This will alleviate issues where living entities are hoarded in 1x1 pens

This is not tied to the maxEntityCramming rule. Cramming will still apply
just as it does in Vanilla, but entity pushing logic will be capped.

You can set this to 0 to disable collisions.
This commit is contained in:
Aikar 2017-01-22 18:24:14 -05:00
parent 1928933a96
commit c9759766a3
2 changed files with 109 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
Spigot-Server-Patches/0002-Paper-config-files.patch
View File

@ -1,4 +1,4 @@
From 1d7689f18f46242f411ada922d7c4feddf599ec1 Mon Sep 17 00:00:00 2001
From 20b7319640b3687ea5e7b422e478eb1576ff10a7 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Mon, 29 Feb 2016 21:02:09 -0600
Subject: [PATCH] Paper config files
@ -6,7 +6,7 @@ Subject: [PATCH] Paper config files
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
new file mode 100644
index 0000000..c009c5f
index 000000000..c009c5f12
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -0,0 +1,164 @@
@ -176,7 +176,7 @@ index 0000000..c009c5f
+}
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
new file mode 100644
index 0000000..dae60dc
index 000000000..dae60dcce
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -0,0 +1,72 @@
@ -253,7 +253,7 @@ index 0000000..dae60dc
+ }
+}
diff --git a/src/main/java/net/minecraft/server/DedicatedServer.java b/src/main/java/net/minecraft/server/DedicatedServer.java
index 31756b8..cb83e4f 100644
index 31756b80d..cb83e4f56 100644
--- a/src/main/java/net/minecraft/server/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/DedicatedServer.java
@@ -183,6 +183,10 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
@ -268,7 +268,7 @@ index 31756b8..cb83e4f 100644
DedicatedServer.LOGGER.info("Generating keypair");
this.a(MinecraftEncryption.b());
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 80a8c55..09ca809 100644
index d7cc8b60f..b29375a0c 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -125,6 +125,8 @@ public abstract class World implements IBlockAccess {
@ -289,7 +289,7 @@ index 80a8c55..09ca809 100644
this.world = new CraftWorld((WorldServer) this, gen, env);
this.ticksPerAnimalSpawns = this.getServer().getTicksPerAnimalSpawns(); // CraftBukkit
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 3122607..791383f 100644
index 312260764..791383fb3 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -697,6 +697,7 @@ public final class CraftServer implements Server {
@ -316,7 +316,7 @@ index 3122607..791383f 100644
overrideAllCommandBlockCommands = commandsConfiguration.getStringList("command-block-overrides").contains("*");
diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
index 8f301b9..2cafdb8 100644
index b931cd5c3..788bf6617 100644
--- a/src/main/java/org/bukkit/craftbukkit/Main.java
+++ b/src/main/java/org/bukkit/craftbukkit/Main.java
@@ -126,6 +126,14 @@ public class Main {
@ -334,6 +334,47 @@ index 8f301b9..2cafdb8 100644
}
};
--
2.9.3
diff --git a/src/main/java/org/spigotmc/SpigotWorldConfig.java b/src/main/java/org/spigotmc/SpigotWorldConfig.java
index fd859f1a6..be003ce65 100644
--- a/src/main/java/org/spigotmc/SpigotWorldConfig.java
+++ b/src/main/java/org/spigotmc/SpigotWorldConfig.java
@@ -39,31 +39,31 @@ public class SpigotWorldConfig
config.set( "world-settings.default." + path, val );
}
- private boolean getBoolean(String path, boolean def)
+ public boolean getBoolean(String path, boolean def)
{
config.addDefault( "world-settings.default." + path, def );
return config.getBoolean( "world-settings." + worldName + "." + path, config.getBoolean( "world-settings.default." + path ) );
}
- private double getDouble(String path, double def)
+ public double getDouble(String path, double def)
{
config.addDefault( "world-settings.default." + path, def );
return config.getDouble( "world-settings." + worldName + "." + path, config.getDouble( "world-settings.default." + path ) );
}
- private int getInt(String path, int def)
+ public int getInt(String path, int def)
{
config.addDefault( "world-settings.default." + path, def );
return config.getInt( "world-settings." + worldName + "." + path, config.getInt( "world-settings.default." + path ) );
}
- private <T> List getList(String path, T def)
+ public <T> List getList(String path, T def)
{
config.addDefault( "world-settings.default." + path, def );
return (List<T>) config.getList( "world-settings." + worldName + "." + path, config.getList( "world-settings.default." + path ) );
}
- private String getString(String path, String def)
+ public String getString(String path, String def)
{
config.addDefault( "world-settings.default." + path, def );
return config.getString( "world-settings." + worldName + "." + path, config.getString( "world-settings.default." + path ) );
--
2.11.0

60
Spigot-Server-Patches/0209-Cap-Entity-Collisions.patch Normal file
View File

@ -0,0 +1,60 @@
From 0c2554509dd07cb7f7218cbbbd604c320fd5fba8 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 22 Jan 2017 18:07:56 -0500
Subject: [PATCH] Cap Entity Collisions
Limit a single entity to colliding a max of configurable times per tick.
This will alleviate issues where living entities are hoarded in 1x1 pens
This is not tied to the maxEntityCramming rule. Cramming will still apply
just as it does in Vanilla, but entity pushing logic will be capped.
You can set this to 0 to disable collisions.
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index e8762c487..dba1c477e 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -414,4 +414,10 @@ public class PaperWorldConfig {
private void armorStandEntityLookups() {
armorStandEntityLookups = getBoolean("armor-stands-do-collision-entity-lookups", true);
}
+
+ public int maxCollisionsPerEntity;
+ private void maxEntityCollision() {
+ maxCollisionsPerEntity = getInt( "max-entity-collisions", this.spigotConfig.getInt("max-entity-collisions", 8) );
+ log( "Max Entity Collisions: " + maxCollisionsPerEntity );
+ }
}
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index a1d2233ba..37dc29f63 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -168,6 +168,7 @@ public abstract class Entity implements ICommandListener {
public final boolean defaultActivationState;
public long activatedTick = Integer.MIN_VALUE;
public boolean fromMobSpawner;
+ protected int numCollisions = 0; // Paper
public void inactiveTick() { }
// Spigot end
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index 07688b1ce..6ac6a4062 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -2132,8 +2132,11 @@ public abstract class EntityLiving extends Entity {
}
}
- for (j = 0; j < list.size(); ++j) {
+ numCollisions = Math.max(0, numCollisions - world.paperConfig.maxCollisionsPerEntity); // Paper
+ for (j = 0; j < list.size() && numCollisions < world.paperConfig.maxCollisionsPerEntity; ++j) { // Paper
Entity entity = (Entity) list.get(j);
+ entity.numCollisions++; // Paper
+ numCollisions++; // Paper
this.C(entity);
}
--
2.11.0