Add a hook for custom particle spawning for slimes

patches/minecraft/net/minecraft/entity/monster/EntitySlime.java.patch

@@ -1,5 +1,14 @@
 --- ../src-base/minecraft/net/minecraft/entity/monster/EntitySlime.java
 +++ ../src-work/minecraft/net/minecraft/entity/monster/EntitySlime.java
+@@ -111,7 +111,7 @@
+         if (this.field_70122_E && !this.field_175452_bi)
+         {
+             int i = this.func_70809_q();
+-
++            if (spawnCustomParticles()) { i = 0; } // don't spawn particles if it's handled by the implementation itself
+             for (int j = 0; j < i * 8; ++j)
+             {
+                 float f = this.field_70146_Z.nextFloat() * (float)Math.PI * 2.0F;
 @@ -271,7 +271,7 @@
          BlockPos blockpos = new BlockPos(MathHelper.func_76128_c(this.field_70165_t), 0, MathHelper.func_76128_c(this.field_70161_v));
          Chunk chunk = this.field_70170_p.func_175726_f(blockpos);
@@ -9,3 +18,18 @@
          {
              return false;
          }
+@@ -336,6 +336,14 @@
+         return super.func_180482_a(p_180482_1_, p_180482_2_);
+     }
+ 
++    /* ======================================== FORGE START =====================================*/
++    /**
++     * Called when the slime spawns particles on landing, see onUpdate.
++     * Return true to prevent the spawning of the default particles.
++     */
++    protected boolean spawnCustomParticles() { return false; }
++    /* ======================================== FORGE END   =====================================*/
++
+     static class AISlimeAttack extends EntityAIBase
+         {
+             private EntitySlime field_179466_a;