Fix reobfuscate

src/minecraft/net/minecraft/src/Constants.java

@@ -7,7 +7,8 @@ public class Constants {
 	public static       boolean DISABLE_MODULO = false,
 								ENABLE_FRINGE_LAND = false,
 								FLOAT_PERLIN_GENERATOR = false,
-								COMPILE_CHUNK_ASYNC = false;
+								COMPILE_CHUNK_ASYNC = false,
+								DISABLE_ENTITY_UPDATE = false;
 	
 	@Deprecated(/* forRemoval = true */)
 	public static boolean USE_64BIT_PERLIN_GENERATOR = false;
@@ -25,12 +26,12 @@ public class Constants {
 		try {
 			for(Field f : cls.getDeclaredFields()) {
 //				unsafe.putBoolean(cls, unsafe.fieldOffset(f), Boolean.getBoolean(cls.getName() + "." + f.getName()));
-				f.setBoolean(null, Boolean.getBoolean(cls.getName() + "." + f.getName()));
+				f.setBoolean(null, Boolean.getBoolean("net.minecraft.src.Constants." + f.getName()));
 			}
 		} catch(Throwable t) {
 			throw new RuntimeException(t);
 		}
-		if(System.getProperty(cls.getName() + ".USE_64BIT_PERLIN_GENERATOR") != null) {
+		if(System.getProperty("net.minecraft.src.Constants.USE_64BIT_PERLIN_GENERATOR") != null) {
 			System.err.println("USE_64BIT_PERLIN_GENERATOR is deprecated and will remove in future, Please consider use -Dnet.minecraft.src.NoiseGeneratorOctaves.noiseType=" + (USE_64BIT_PERLIN_GENERATOR ? "long" : "int") + "Type");
 		}
 	}

src/minecraft/net/minecraft/src/NoiseGenerator.java

@@ -3,6 +3,8 @@ package net.minecraft.src;
 public abstract class NoiseGenerator
 {
 	public void populateNoiseArray(double[] par1ArrayOfDouble, double par2, double par4, double par6, int par8, int par9, int par10, double par11, double par13, double par15, double par17) {
-		
+		if (this instanceof NoiseGeneratorPerlin) {
+			((NoiseGeneratorPerlin) this).populateNoiseArray(par1ArrayOfDouble, par2, par4, par6, par8, par9, par10, par11, par13, par15, par17);
+		} else throw new Error("Fucked by MCP™");
 	}
 }

src/minecraft/net/minecraft/src/World.java

@@ -295,8 +295,9 @@ public abstract class World implements IBlockAccess
      */
     public boolean doChunksNearChunkExist(BigInteger par1, int par2, BigInteger par3, int par4)
     {
-    	return true;
+//    	return true;
-//        return this.checkChunksExist(par1 - par4, par2 - par4, par3 - par4, par1 + par4, par2 + par4, par3 + par4);
+    	BigInteger dist = BigInteger.valueOf(par4);
+        return this.checkChunksExist(par1.subtract(par3), par2 - par4, par3.subtract(dist), par1.add(dist), par2 + par4, par3.add(dist));
     }
 
     /**
@@ -1759,6 +1760,7 @@ public abstract class World implements IBlockAccess
         for (var1 = 0; var1 < this.loadedEntityList.size(); ++var1)
         {
             var2 = (Entity)this.loadedEntityList.get(var1);
+            if (!(var2 instanceof EntityPlayer) && Constants.DISABLE_ENTITY_UPDATE) continue;
 
             if (var2.ridingEntity != null)
             {