Implement zombie pigmen and make them turn hostile when punched

mods/ENTITIES/mcl_mobs/api/api.lua

@@ -357,7 +357,7 @@ function mobs:register_mob(name, def)
 
 		--do_punch = def.do_punch,
 
-		--on_punch = mob_punch,
+		on_punch = mobs.mob_punch,
 
 		--on_breed = def.on_breed,
 

mods/ENTITIES/mcl_mobs/api/mob_functions/interaction.lua

@@ -1,3 +1,5 @@
+local math_floor = math.floor
+
 mobs.feed_tame = function(self)
     return nil
 end
@@ -40,8 +42,16 @@ mobs.create_mob_on_rightclick = function(on_rightclick)
 end
 
 -- deal damage and effects when mob punched
-local mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
+mobs.mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
 
+	if self.neutral then
+		self.hostile = true
+		--hostile_cooldown timer is initialized here
+		self.hostile_cooldown_timer 
+	end
+
+
+	--[[
 	-- custom punch function
 	if self.do_punch then
 
@@ -312,4 +322,5 @@ local mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
 			end
 		end
 	end
+	]]--
 end

mods/ENTITIES/mobs_mc/zombiepig.lua

@@ -14,6 +14,8 @@ local pigman = {
 	-- type="animal", passive=false: This combination is needed for a neutral mob which becomes hostile, if attacked
 	type = "animal",
 	passive = false,
+	neutral = true,
+	rotate = 270,
 	spawn_class = "passive",
 	hp_min = 20,
 	hp_max = 20,