Updated to Minecraft version 1.4

src/main/java/org/bukkit/craftbukkit/CraftWorld.java

@@ -66,7 +66,7 @@ public class CraftWorld implements World {
     }
 
     public Location getSpawnLocation() {
-        ChunkCoordinates spawn = world.l();
+        ChunkCoordinates spawn = world.m();
         return new Location(this, spawn.a, spawn.b, spawn.c);
     }
     
@@ -80,7 +80,7 @@ public class CraftWorld implements World {
     }
     
     public Chunk getChunkAt(int x, int z) {
-        return this.provider.d(x,z).bukkitChunk;
+        return this.provider.c(x, z).bukkitChunk;
     }
 
     public Chunk getChunkAt(Block block) {
@@ -124,7 +124,7 @@ public class CraftWorld implements World {
             return false;
         }
         
-        provider.c(x, z);
+        provider.d(x, z);
 
         return true;
     }
@@ -214,7 +214,7 @@ public class CraftWorld implements World {
     public boolean loadChunk(int x, int z, boolean generate) {
         if (generate) {
             // Use the default variant of loadChunk when generate == true.
-            return provider.d(x, z) != null;
+            return provider.c(x, z) != null;
         }
 
         provider.a.remove(x, z);
@@ -524,7 +524,7 @@ public class CraftWorld implements World {
 
     public void save() {
         // Writes level.dat
-        world.r();
+        world.t();
 
         // Saves all chunks/regions
         world.o.a(true, null);