Make the effect filter stricter

nms-patches/TileEntityBeacon.patch

@@ -1,5 +1,5 @@
---- ../work/decompile-8eb82bde//net/minecraft/server/TileEntityBeacon.java	2014-12-27 14:03:08.349290689 +0000
-+++ src/main/java/net/minecraft/server/TileEntityBeacon.java	2014-12-27 14:03:08.349290689 +0000
+--- ../work/decompile-8eb82bde//net/minecraft/server/TileEntityBeacon.java	2014-12-27 14:48:34.677261097 +0000
++++ src/main/java/net/minecraft/server/TileEntityBeacon.java	2014-12-27 14:48:34.677261097 +0000
 @@ -5,6 +5,11 @@
  import java.util.Iterator;
  import java.util.List;
@@ -77,14 +77,28 @@
          }
  
      }
-@@ -307,4 +336,10 @@
+@@ -307,4 +336,24 @@
              return super.c(i, j);
          }
      }
 +
 +    // CraftBukkit start
 +    public int validateEffect(int i) {
-+        return i < 0 || i >= MobEffectList.byId.length || MobEffectList.byId[i] == null ? 0 : i;
++        i = i < 0 || i >= MobEffectList.byId.length || MobEffectList.byId[i] == null ? 0 : i;
++        switch (i) {
++            case 1: // MobEffectList.FASTER_MOVEMENT.id
++            case 3: // MobEffectList.FASTER_DIG.id
++            case 11: // MobEffectList.RESISTANCE.id
++            case 8: // MobEffectList.JUMP.id
++            case 5: // MobEffectList.INCREASE_DAMAGE.id
++            case 10: // MobEffectList.REGENERATION.id
++                break;
++            default:
++                System.out.println("Filtered: " + i);
++                i = 0;
++                break;
++        }
++        return i;
 +    }
 +    // CraftBukkit end
  }