Paper/CraftBukkit-Patches/0006-View-Distance.patch

From 647c2af3d1c4528da8d3a3fcff68233cb3c47d5d Mon Sep 17 00:00:00 2001
From: md_5 <md_5@live.com.au>
Date: Sat, 23 Mar 2013 09:52:41 +1100
Subject: [PATCH] View Distance

This commit allows the user to select per world view distances, and view distances below 3. Be wary of the issues selecting a view distance of 1 or 2 may cause!
---
 src/main/java/net/minecraft/server/PlayerChunkMap.java | 2 +-
 src/main/java/net/minecraft/server/WorldServer.java    | 2 +-
 src/main/java/org/bukkit/craftbukkit/CraftWorld.java   | 5 +++++
 src/main/resources/configurations/bukkit.yml           | 1 +
 4 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index f788a62..98d6dd2 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -23,7 +23,7 @@ public class PlayerChunkMap {
     public PlayerChunkMap(WorldServer worldserver, int i) {
         if (i > 15) {
             throw new IllegalArgumentException("Too big view radius!");
-        } else if (i < 3) {
+        } else if (i < 1) {
             throw new IllegalArgumentException("Too small view radius!");
         } else {
             this.e = i;
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index b7dfe40..8706874 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -51,7 +51,7 @@ public class WorldServer extends World implements org.bukkit.BlockChangeDelegate
         // CraftBukkit end
         this.server = minecraftserver;
         this.tracker = new EntityTracker(this);
-        this.manager = new PlayerChunkMap(this, minecraftserver.getPlayerList().o());
+        this.manager = new PlayerChunkMap(this, getWorld().viewDistance); // Spigot
         if (this.entitiesById == null) {
             this.entitiesById = new IntHashMap();
         }
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 1153eea..a924438 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -120,6 +120,9 @@ public class CraftWorld implements World {
         treeGrowthModifier = configuration.getInt("world-settings." + name + ".tree-growth-modifier", treeGrowthModifier);
         mushroomGrowthModifier = configuration.getInt("world-settings." + name + ".mushroom-growth-modifier", mushroomGrowthModifier);
 
+        viewDistance = Bukkit.getServer().getViewDistance();
+        viewDistance = configuration.getInt("world-settings." + name + ".view-distance", viewDistance);
+
         if (!info) return;
         server.getLogger().info("-------------- Spigot ----------------");
         server.getLogger().info("-------- World Settings For [" + name + "] --------");
@@ -134,6 +137,7 @@ public class CraftWorld implements World {
         server.getLogger().info("Sugar Growth Modifier: " + sugarGrowthModifier);
         server.getLogger().info("Tree Growth Modifier: " + treeGrowthModifier);
         server.getLogger().info("Mushroom Growth Modifier: " + mushroomGrowthModifier);
+        server.getLogger().info("View distance: " + viewDistance);
         server.getLogger().info("-------------------------------------------------");
         // Spigot end
     }
@@ -144,6 +148,7 @@ public class CraftWorld implements World {
     public int aggregateTicks = 4;
     public double itemMergeRadius = 3.5;
     public double expMergeRadius = 3.5;
+    public int viewDistance;
     //Crop growth rates:
     public int wheatGrowthModifier = 100;
     public int cactusGrowthModifier = 100;
diff --git a/src/main/resources/configurations/bukkit.yml b/src/main/resources/configurations/bukkit.yml
index 524c0ca..9b85e13 100644
--- a/src/main/resources/configurations/bukkit.yml
+++ b/src/main/resources/configurations/bukkit.yml
@@ -50,6 +50,7 @@ world-settings:
     world:
         growth-chunks-per-tick: 1000
     world_nether:
+        view-distance: 5
         growth-chunks-per-tick: 0
         random-light-updates: true
         water-creatures-per-chunk: 0
-- 
1.8.1-rc2