Add DISABLE_FRUSTRUM option.

src/minecraft/net/minecraft/src/Frustrum.java

@@ -20,7 +20,7 @@ public class Frustrum implements ICamera
      */
     public boolean isBoxInFrustum(double par1, double par3, double par5, double par7, double par9, double par11)
     {
-        return true || this.clippingHelper.isBoxInFrustum(par1 - this.xPosition, par3 - this.yPosition, par5 - this.zPosition, par7 - this.xPosition, par9 - this.yPosition, par11 - this.zPosition);
+        return DISABLE_FRUSTRUM || this.clippingHelper.isBoxInFrustum(par1 - this.xPosition, par3 - this.yPosition, par5 - this.zPosition, par7 - this.xPosition, par9 - this.yPosition, par11 - this.zPosition);
     }
 
     /**
@@ -28,6 +28,6 @@ public class Frustrum implements ICamera
      */
     public boolean isBoundingBoxInFrustum(AxisAlignedBB par1AxisAlignedBB)
     {
-        return true || this.isBoxInFrustum(par1AxisAlignedBB.minX, par1AxisAlignedBB.minY, par1AxisAlignedBB.minZ, par1AxisAlignedBB.maxX, par1AxisAlignedBB.maxY, par1AxisAlignedBB.maxZ);
+        return DISABLE_FRUSTRUM || this.isBoxInFrustum(par1AxisAlignedBB.minX, par1AxisAlignedBB.minY, par1AxisAlignedBB.minZ, par1AxisAlignedBB.maxX, par1AxisAlignedBB.maxY, par1AxisAlignedBB.maxZ);
     }
 }