Make Zombie model and head rotation work

mods/ENTITIES/mcl_mobs/api.lua

@@ -3656,26 +3656,33 @@ local mob_step = function(self, dtime)
 		local oldp,oldr = self.object:get_bone_position(self.head_swivel)
 
 		for _, obj in pairs(minetest.get_objects_inside_radius(pos, 10)) do
-			if obj:is_player() then
+			if obj:is_player() and not self.attack then
 				if not self._locked_object then
-					if math.random(50) == 1 then
+					if math.random(50/self.curiosity) == 1 then
 						self._locked_object = obj
 					end
 				else
-					if math.random(200) == 1 then
+					if math.random(200*self.curiosity) == 1 then
 						self._locked_object = nil
 					end
 				end
 			end
 		end
 
+		if self.attack then
+			self._locked_object = self.attack
+		end
+
 		if self._locked_object then
+			local self_rot = self.object:get_rotation()
 			local player_pos = self._locked_object:get_pos()
 			local direction_player = vector.direction(vector.add(self.object:get_pos(), vector.new(0, self.bone_eye_height*.7, 0)), vector.add(player_pos, vector.new(0, self._locked_object:get_properties().eye_height, 0)))
-			local mob_yaw = math.deg(-(-self.object:get_rotation().y-(-minetest.dir_to_yaw(direction_player))))
+			local mob_yaw = math.deg(-(-(self_rot.y)-(-minetest.dir_to_yaw(direction_player))))--+self.head_yaw_offset
 			local mob_pitch = math.deg(-dir_to_pitch(direction_player))
-			if mob_yaw < -60 or mob_yaw > 60 then
+			if (mob_yaw < -60 or mob_yaw > 60) and not self.attack then
 				self.object:set_bone_position(self.head_swivel, vector.new(0,self.bone_eye_height,0), vector.multiply(oldr, 0.9))
+			elseif self.attack then
+				self.object:set_bone_position(self.head_swivel, vector.new(0,self.bone_eye_height,0), vector.new(mob_pitch, mob_yaw, 0))
 			else
 				self.object:set_bone_position(self.head_swivel, vector.new(0,self.bone_eye_height,0), vector.new(((mob_pitch-oldr.x)*.3)+oldr.x, ((mob_yaw-oldr.y)*.3)+oldr.y, 0))
 			end
@@ -3926,8 +3933,10 @@ end
 minetest.register_entity(name, {
 
 	use_texture_alpha = def.use_texture_alpha,
-	head_swivel = def.head_swivel or nil,
-	bone_eye_height = def.bone_eye_height or 1.4,
+	head_swivel = def.head_swivel or nil, -- name of head bone
+	head_yaw_offset = def.head_yaw_offset or 0, -- name of head bone
+	bone_eye_height = def.bone_eye_height or 1.4, -- mob eye height
+	curiosity = def.curiosity or 1, -- factor for staqring at players
 	stepheight = def.stepheight or 0.6,
 	name = name,
 	description = def.description,

mods/ENTITIES/mobs_mc/villager.lua

@@ -1221,6 +1221,7 @@ mcl_mobs:register_mob("mobs_mc:villager", {
 	--EXPERIMENTAL
 	head_swivel = "Head_Control",
 	bone_eye_height = 2.35,
+	curiosity = 10,
 	-------------------------------
 	visual_size = {x=2.75, y=2.75},
 	makes_footstep_sound = true,

mods/ENTITIES/mobs_mc/zombie.lua

@@ -60,11 +60,16 @@ local zombie = {
 	mesh = "mobs_mc_zombie.b3d",
 	textures = {
 		{
-			"mobs_mc_empty.png", -- armor
-			"mobs_mc_zombie.png", -- texture
-			"mobs_mc_empty.png", -- wielded_item
+			"mobs_mc_zombie.png", -- skin
+			"mcl_armor_chestplate_diamond.png", -- armor
+			"mobs_mc_empty.png", -- wielded item
 		}
 	},
+	--EXPERIMENTAL
+	head_swivel = "Head_Control",
+	bone_eye_height = 2.35,
+	curiosity = .1,
+	-------------------------------
 	visual_size = {x=3, y=3},
 	makes_footstep_sound = true,
 	sounds = {