added ability for mobs to follow multiple items, npc's can breed also

api.lua

@@ -1,4 +1,4 @@
--- Mobs Api (9th August 2015)
+-- Mobs Api (13th August 2015)
 mobs = {}
 mobs.mod = "redo"
 
@@ -49,7 +49,7 @@ function mobs:register_mob(name, def)
 		shoot_interval = def.shoot_interval,
 		sounds = def.sounds or {},
 		animation = def.animation,
-		follow = def.follow or "",
+		follow = def.follow, -- or "",
 		jump = def.jump or true,
 		walk_chance = def.walk_chance or 50,
 		attacks_monsters = def.attacks_monsters or false,
@@ -603,7 +603,8 @@ function mobs:register_mob(name, def)
 				-- stop following player if not holding specific item
 				if self.following
 				and self.following.is_player
-				and self.following:get_wielded_item():get_name() ~= self.follow then
+				--and self.following:get_wielded_item():get_name() ~= self.follow then
+				and follow_holding(self, self.following) == false then
 					self.following = nil
 				end
 			end
@@ -791,7 +792,7 @@ end
 				local vec = {x = p.x - s.x, y = p.y - s.y, z = p.z - s.z}
 				yaw = math.atan(vec.z / vec.x) + math.pi / 2 - self.rotate
 				if p.x > s.x then
-					yaw = yaw+math.pi
+					yaw = yaw + math.pi
 				end
 				self.object:setyaw(yaw)
 				if self.attack.dist > 3 then
@@ -1298,7 +1299,7 @@ end
 
 -- explosion
 function mobs:explosion(pos, radius, fire, smoke, sound)
-	-- node hit, bursts into flame (cannot blast through obsidian or protection redo mod items)
+	-- node hit, bursts into flame (cannot blast through unbreakable/specific nodes)
 	if not fire then fire = 0 end
 	if not smoke then smoke = 0 end
 	local pos = vector.round(pos)
@@ -1580,11 +1581,60 @@ function mobs:capture_mob(self, clicker, chance_hand, chance_net, chance_lasso,
 	end
 end
 
+-- follow what I'm holding ?
+function follow_holding(self, clicker)
+	local item = clicker:get_wielded_item()
+	local follow_item = false
+	local t = type(self.follow)
+
+	-- single item
+	if t == "string"
+	and item:get_name() == self.follow then
+		follow_item = true
+
+	-- multiple items
+	elseif t == "table" then
+		for no = 1, #self.follow do
+			if self.follow[no] == item:get_name() then
+				follow_item = true
+			end
+		end
+	end
+
+	-- true if can eat/tame with item
+	if follow_item == true then
+		return true
+	end
+
+	return false
+end
+
 -- feeding, taming and breeding (thanks blert2112)
 function mobs:feed_tame(self, clicker, feed_count, breed)
-	local item = clicker:get_wielded_item()
-	if item:get_name() == self.follow then
 
+	if not self.follow then return false end
+
+	local item = clicker:get_wielded_item()
+	local follow_item = false
+	local t = type(self.follow)
+
+	-- single item
+	if t == "string"
+	and item:get_name() == self.follow then
+		follow_item = true
+
+	-- multiple items
+	elseif t == "table" then
+		for no = 1, #self.follow do
+			if self.follow[no] == item:get_name() then
+				follow_item = true
+			end
+		end
+	end
+
+	-- can eat/tame with item in hand
+	if follow_holding(self, clicker) then
+--print ("mmm, tasty")
 		-- take item
 		if not minetest.setting_getbool("creative_mode") then
 			item:take_item()

bunny.lua

@@ -37,8 +37,8 @@ mobs:register_mob("mobs:bunny", {
 		punch_start = 16,
 		punch_end = 24,
 	},
-	follow = "farming:carrot",
-	view_range = 5,
+	follow = {"farming:carrot", "farming_plus:carrot_item"},
+	view_range = 10,
 	replace_rate = 80,
 	replace_what = {"farming:carrot_7", "farming:carrot_8", "farming_plus:carrot"},
 	replace_with = "air",

chicken.lua

@@ -43,7 +43,7 @@ mobs:register_mob("mobs:chicken", {
 		walk_start = 20,
 		walk_end = 40,
 	},
-	follow = "farming:seed_wheat",
+	follow = {"farming:seed_wheat", "farming:seed_cotton"},
 	view_range = 5,
 	replace_rate = 8000,
 	replace_what = {"air"},

kitten.lua

@@ -36,8 +36,8 @@ mobs:register_mob("mobs:kitten", {
 		walk_start = 0,
 		walk_end = 96,
 	},
-	follow = "mobs:rat",
-	view_range = 8,
+	follow = {"mobs:rat", "ethereal:fish_raw"},
+	view_range = 10,
 	on_rightclick = function(self, clicker)
 		mobs:feed_tame(self, clicker, 4, true)
 		mobs:capture_mob(self, clicker, 50, 50, 90, false, nil)

npc.lua

@@ -23,6 +23,9 @@ mobs:register_mob("mobs:npc", {
 		{"mobs_npc.png"},
 		{"mobs_npc2.png"}, -- female by nuttmeg20
 	},
+	child_texture = {
+		{"mobs_npc_baby.png"}, -- derpy baby by AmirDerAssassine
+	},
 	makes_footstep_sound = true,
 	sounds = {},
 	walk_velocity = 2,
@@ -39,7 +42,7 @@ mobs:register_mob("mobs:npc", {
 	water_damage = 0,
 	lava_damage = 2,
 	light_damage = 0,
-	follow = "default:diamond",
+	follow = {"farming:bread", "mobs:meat", "default:diamond"},
 	view_range = 15,
 	owner = "",
 	order = "follow",
@@ -56,48 +59,33 @@ mobs:register_mob("mobs:npc", {
 		punch_end = 219,
 	},
 	on_rightclick = function(self, clicker)
-		local item = clicker:get_wielded_item()
-		local name = clicker:get_player_name()
 
 		-- feed to heal npc
-		if item:get_name() == "mobs:meat"
-		or item:get_name() == "farming:bread" then
+		if not mobs:feed_tame(self, clicker, 8, true) then
+			local item = clicker:get_wielded_item()
+			local name = clicker:get_player_name()
 
-			local hp = self.object:get_hp()
-			-- return if full health
-			if hp >= self.hp_max then
-				minetest.chat_send_player(name, "NPC at full health.")
-				return
-			end
-			hp = hp + 4
-			if hp > self.hp_max then hp = self.hp_max end
-			self.object:set_hp(hp)
-			-- take item
-			if not minetest.setting_getbool("creative_mode") then
-				item:take_item()
-				clicker:set_wielded_item(item)
-			end
-
-		-- right clicking with gold lump drops random item from mobs.npc_drops
-		elseif item:get_name() == "default:gold_lump" then
-			if not minetest.setting_getbool("creative_mode") then
-				item:take_item()
-				clicker:set_wielded_item(item)
-			end
-			local pos = self.object:getpos()
-			pos.y = pos.y + 0.5
-			minetest.add_item(pos, {name = mobs.npc_drops[math.random(1, #mobs.npc_drops)]})
-
-		else
-			-- if owner switch between follow and stand
-			if self.owner and self.owner == clicker:get_player_name() then
-				if self.order == "follow" then
-					self.order = "stand"
-				else
-					self.order = "follow"
+			-- right clicking with gold lump drops random item from mobs.npc_drops
+			if item:get_name() == "default:gold_lump" then
+				if not minetest.setting_getbool("creative_mode") then
+					item:take_item()
+					clicker:set_wielded_item(item)
+				end
+				local pos = self.object:getpos()
+				pos.y = pos.y + 0.5
+				minetest.add_item(pos, {
+					name = mobs.npc_drops[math.random(1, #mobs.npc_drops)]
+				})
+
+			else
+				-- if owner switch between follow and stand
+				if self.owner and self.owner == clicker:get_player_name() then
+					if self.order == "follow" then
+						self.order = "stand"
+					else
+						self.order = "follow"
+					end
 				end
---			else
---				self.owner = clicker:get_player_name()
 			end
 		end
 

sheep.lua

@@ -45,7 +45,7 @@ for _, col in ipairs(all_colours) do
 			walk_start = 81,
 			walk_end = 100,
 		},
-		follow = "farming:wheat",
+		follow = {"farming:wheat", "default:grass_5"},
 		view_range = 5,
 		replace_rate = 50,
 		replace_what = {"default:grass_3", "default:grass_4", "default:grass_5", "farming:wheat_8"},

warthog.lua

@@ -23,7 +23,7 @@ mobs:register_mob("mobs:pumba", {
 	walk_velocity = 2,
 	run_velocity = 3,
 	jump = true,
-	follow = "default:apple",
+	follow = {"default:apple", "farming:potato"},
 	view_range = 10,
 	drops = {
 		{name = "mobs:pork_raw",