diff --git a/api.lua b/api.lua
index b85cd20..f97da13 100644
--- a/api.lua
+++ b/api.lua
@@ -64,14 +64,12 @@ local abs = math.abs
 local min = math.min
 local max = math.max
 local atann = math.atan
-local atan2 = math.atan2
 local random = math.random
 local floor = math.floor
 local atan = function(x)
 
 	if x ~= x then
 		--error("atan bassed NaN")
-		--print ("atan based NaN")
 		return 0
 	else
 		return atann(x)
@@ -109,20 +107,25 @@ end
 set_yaw = function(self, yaw)
 
 	if yaw ~= yaw then
+print ("--- yaw nan")
 		return
 	end
 
-	self.yaw = yaw + self.rotate
+	self.yaw = yaw -- + self.rotate
 	self.object:setyaw(self.yaw)
 end
 
 
 set_velocity = function(self, v)
 
+	local yaw = self.object:getyaw() + self.rotate
+
 	self.object:setvelocity({
-		x = sin(self.yaw) * -v,
+--		x = sin(self.yaw) * -v,
+		x = sin(yaw) * -v,
 		y = self.object:getvelocity().y,
-		z = cos(self.yaw) * v
+--		z = cos(self.yaw) * v
+		z = cos(yaw) * v
 	})
 end
 
@@ -506,8 +509,11 @@ local function is_at_cliff(self)
 		return false
 	end
 
-	local dir_x = -sin(self.yaw) * (self.collisionbox[4] + 0.5)
-	local dir_z = cos(self.yaw) * (self.collisionbox[4] + 0.5)
+	local yaw = self.object:getyaw()
+--	local dir_x = -sin(self.yaw) * (self.collisionbox[4] + 0.5)
+--	local dir_z = cos(self.yaw) * (self.collisionbox[4] + 0.5)
+	local dir_x = -sin(yaw) * (self.collisionbox[4] + 0.5)
+	local dir_z = cos(yaw) * (self.collisionbox[4] + 0.5)
 	local pos = self.object:getpos()
 	local ypos = pos.y + self.collisionbox[2] -- just above floor
 
@@ -642,6 +648,7 @@ do_jump = function(self)
 	end
 
 	local pos = self.object:getpos()
+	local yaw = self.object:getyaw()
 
 	-- what is mob standing on?
 	pos.y = pos.y + self.collisionbox[2] - 0.2
@@ -655,8 +662,10 @@ do_jump = function(self)
 	end
 
 	-- where is front
-	local dir_x = -sin(self.yaw) * (self.collisionbox[4] + 0.5)
-	local dir_z = cos(self.yaw) * (self.collisionbox[4] + 0.5)
+--	local dir_x = -sin(self.yaw) * (self.collisionbox[4] + 0.5)
+--	local dir_z = cos(self.yaw) * (self.collisionbox[4] + 0.5)
+	local dir_x = -sin(yaw) * (self.collisionbox[4] + 0.5)
+	local dir_z = cos(yaw) * (self.collisionbox[4] + 0.5)
 
 	-- what is in front of mob?
 	local nod = node_ok({
@@ -1029,7 +1038,8 @@ function smart_mobs(self, s, p, dist, dtime)
 
 				else -- dig 2 blocks to make door toward player direction
 
-					local yaw1 = self.yaw + pi / 2
+--					local yaw1 = self.yaw + pi / 2
+					local yaw1 = self.object:getyaw() + pi / 2
 
 					local p1 = {
 						x = s.x + cos(yaw1),
@@ -1284,9 +1294,13 @@ local follow_flop = function(self)
 					z = p.z - s.z
 				}
 
-				local yaw = atan2(vec.z, vec.x) - pi / 2
+--				local yaw = atan2(vec.z, vec.x) - pi / 2
+				local yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
 
-				set_yaw(self, yaw)
+				if p.x > s.x then yaw = yaw + pi end
+
+				self.object:setyaw(yaw)
+--				set_yaw(self, yaw)
 
 				-- anyone but standing npc's can move along
 				if dist > self.reach
@@ -1363,7 +1377,7 @@ end
 -- execute current state (stand, walk, run, attacks)
 local do_states = function(self, dtime)
 
-	local yaw = self.yaw -- 0
+	local yaw = 0 -- self.yaw
 
 	if self.state == "stand" then
 
@@ -1389,12 +1403,17 @@ local do_states = function(self, dtime)
 					z = lp.z - s.z
 				}
 
-				yaw = atan2(vec.z, vec.x) - pi / 2
+--				yaw = atan2(vec.z, vec.x) - pi / 2
+				yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
+
+				if lp.x > s.x then yaw = yaw + pi end
 			else
-				yaw = random() * 2 * pi
+--				yaw = random() * 2 * pi
+				yaw = (random(0, 360) - 180) / 180 * pi
 			end
 
-			set_yaw(self, yaw)
+			self.object:setyaw(yaw)
+--			set_yaw(self, yaw)
 		end
 
 		set_velocity(self, 0)
@@ -1453,9 +1472,13 @@ local do_states = function(self, dtime)
 						z = lp.z - s.z
 					}
 
-					yaw = atan2(vec.z, vec.x) + pi / 2
+--					yaw = atan2(vec.z, vec.x) + pi / 2
+					yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
+
+					if lp.x > s.x then yaw = yaw + pi end
 				else
-					yaw = random() * 2 * pi
+--					yaw = random() * 2 * pi
+					yaw = (random(0, 360) - 180) / 180 * pi
 				end
 
 			else
@@ -1465,17 +1488,22 @@ local do_states = function(self, dtime)
 					z = lp.z - s.z
 				}
 
-				yaw = atan2(vec.z, vec.x) + pi / 2
+--				yaw = atan2(vec.z, vec.x) + pi / 2
+				yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
+
+				if lp.x > s.x then yaw = yaw + pi end
 			end
 
-			set_yaw(self, yaw)
+			self.object:setyaw(yaw)
+--			set_yaw(self, yaw)
 
 		-- otherwise randomly turn
 		elseif random(1, 100) <= 30 then
 
 			yaw = random() * 2 * pi
 
-			set_yaw(self, yaw)
+			self.object:setyaw(yaw)
+--			set_yaw(self, yaw)
 		end
 
 		-- stand for great fall in front
@@ -1560,9 +1588,13 @@ local do_states = function(self, dtime)
 				z = p.z - s.z
 			}
 
-			yaw = atan2(vec.z, vec.x) - pi / 2
+--			yaw = atan2(vec.z, vec.x) - pi / 2
+			yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
 
-			set_yaw(self, yaw)
+			if p.x > s.x then yaw = yaw + pi end
+
+			self.object:setyaw(yaw)
+--			set_yaw(self, yaw)
 
 			if dist > self.reach then
 
@@ -1724,9 +1756,13 @@ local do_states = function(self, dtime)
 				z = p.z - s.z
 			}
 
-			yaw = atan2(vec.z, vec.x) - pi / 2
+--			yaw = atan2(vec.z, vec.x) - pi / 2
+			yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
 
-			set_yaw(self, yaw)
+			if p.x > s.x then yaw = yaw + pi end
+
+			self.object:setyaw(yaw)
+--			set_yaw(self, yaw)
 
 			-- move towards enemy if beyond mob reach
 			if dist > self.reach then
@@ -1832,9 +1868,13 @@ local do_states = function(self, dtime)
 				z = p.z - s.z
 			}
 
-			yaw = atan2(vec.z, vec.x) - pi / 2
+--			yaw = atan2(vec.z, vec.x) - pi / 2
+			yaw = (atan(vec.z / vec.x) + pi / 2) - self.rotate
 
-			set_yaw(self, yaw)
+			if p.x > s.x then yaw = yaw + pi end
+
+			self.object:setyaw(yaw)
+--			set_yaw(self, yaw)
 
 			set_velocity(self, 0)
 
@@ -2233,7 +2273,8 @@ local mob_activate = function(self, staticdata, dtime_s, def)
 
 	-- set anything changed above
 	self.object:set_properties(self)
-	set_yaw(self, random() * 2 * pi)
+--	set_yaw(self, random() * 2 * pi)
+	self.object:setyaw((random(0, 360) - 180) / 180 * pi)
 	update_tag(self)
 end
 
@@ -2241,7 +2282,8 @@ end
 local mob_step = function(self, dtime)
 
 	local pos = self.object:getpos()
-	local yaw = self.yaw
+--	local yaw = self.yaw
+	local yaw = 0
 
 	-- when lifetimer expires remove mob (except npc and tamed)
 	if self.type ~= "npc"
@@ -2373,8 +2415,8 @@ function mobs:register_mob(name, def)
 
 minetest.register_entity(name, {
 
-automatic_face_movement_dir = def.rotate and math.rad(def.rotate) or false,
-automatic_face_movement_max_rotation_per_sec = -1,
+--automatic_face_movement_dir = def.rotate and math.rad(def.rotate) or false,
+--automatic_face_movement_max_rotation_per_sec = -1,
 
 	stepheight = def.stepheight or 0.6,
 	name = name,
diff --git a/api.lua_new b/api.lua_new
new file mode 100644
index 0000000..b85cd20
--- /dev/null
+++ b/api.lua_new
@@ -0,0 +1,3265 @@
+
+-- Mobs Api (19th January 2017)
+
+mobs = {}
+mobs.mod = "redo"
+
+
+-- Intllib
+local S
+if minetest.get_modpath("intllib") then
+	S = intllib.Getter()
+else
+	S = function(s, a, ...)
+		if a == nil then
+			return s
+		end
+		a = {a, ...}
+		return s:gsub("(@?)@(%(?)(%d+)(%)?)",
+			function(e, o, n, c)
+				if e == "" then
+					return a[tonumber(n)] .. (o == "" and c or "")
+				else
+					return "@" .. o .. n .. c
+				end
+			end)
+	end
+end
+mobs.intllib = S
+
+
+-- Invisibility mod check
+mobs.invis = {}
+if rawget(_G, "invisibility") then
+	mobs.invis = invisibility
+end
+
+
+-- Load settings
+local damage_enabled = minetest.setting_getbool("enable_damage")
+local peaceful_only = minetest.setting_getbool("only_peaceful_mobs")
+local disable_blood = minetest.setting_getbool("mobs_disable_blood")
+local creative = minetest.setting_getbool("creative_mode")
+local spawn_protected = tonumber(minetest.setting_get("mobs_spawn_protected")) or 1
+local remove_far = minetest.setting_getbool("remove_far_mobs")
+local difficulty = tonumber(minetest.setting_get("mob_difficulty")) or 1.0
+local show_health = minetest.setting_getbool("mob_show_health") ~= false
+
+-- calculate aoc range for mob counts
+local aosrb = tonumber(minetest.setting_get("active_object_send_range_blocks"))
+local abr = tonumber(minetest.setting_get("active_block_range"))
+local aoc_range = math.max(aosrb, abr) * 16
+
+-- pathfinding settings
+local enable_pathfinding = true
+local stuck_timeout = 3 -- how long before mob gets stuck in place and starts searching
+local stuck_path_timeout = 10 -- how long will mob follow path before giving up
+
+-- localize functions
+local pi = math.pi
+local square = math.sqrt
+local sin = math.sin
+local cos = math.cos
+local abs = math.abs
+local min = math.min
+local max = math.max
+local atann = math.atan
+local atan2 = math.atan2
+local random = math.random
+local floor = math.floor
+local atan = function(x)
+
+	if x ~= x then
+		--error("atan bassed NaN")
+		--print ("atan based NaN")
+		return 0
+	else
+		return atann(x)
+	end
+end
+
+
+mob_sound = function(self, sound)
+
+	if sound then
+		minetest.sound_play(sound, {
+			object = self.object,
+			gain = 1.0,
+			max_hear_distance = self.sounds.distance
+		})
+	end
+end
+
+
+do_attack = function(self, player)
+
+	if self.state == "attack" then
+		return
+	end
+
+	self.attack = player
+	self.state = "attack"
+
+	if random(0, 100) < 90 then
+		mob_sound(self, self.sounds.war_cry)
+	end
+end
+
+
+set_yaw = function(self, yaw)
+
+	if yaw ~= yaw then
+		return
+	end
+
+	self.yaw = yaw + self.rotate
+	self.object:setyaw(self.yaw)
+end
+
+
+set_velocity = function(self, v)
+
+	self.object:setvelocity({
+		x = sin(self.yaw) * -v,
+		y = self.object:getvelocity().y,
+		z = cos(self.yaw) * v
+	})
+end
+
+
+get_velocity = function(self)
+
+	local v = self.object:getvelocity()
+
+	return (v.x * v.x + v.z * v.z) ^ 0.5
+end
+
+
+set_anim = function(self, anim_start, anim_end, anim_speed, anim_name)
+
+	if not anim_start or not anim_end then
+		return
+	end
+
+	self.object:set_animation(
+		{x = anim_start, y = anim_end}, anim_speed or 15, 0)
+
+	self.animation.current = anim_name
+end
+
+
+set_animation = function(self, type)
+
+	if not self.animation then
+		return
+	end
+
+	self.animation.current = self.animation.current or ""
+
+	if type == "stand" and self.animation.current ~= "stand" then
+
+		set_anim(self,
+			self.animation.stand_start,
+			self.animation.stand_end,
+			self.animation.speed_stand, "stand")
+
+	elseif type == "walk" and self.animation.current ~= "walk" then
+
+		set_anim(self,
+			self.animation.walk_start,
+			self.animation.walk_end,
+			self.animation.speed_walk, "walk")
+
+	elseif type == "run" and self.animation.current ~= "run" then
+
+		set_anim(self,
+			self.animation.run_start,
+			self.animation.run_end,
+			self.animation.speed_run, "run")
+
+	elseif type == "punch" and self.animation.current ~= "punch" then
+
+		set_anim(self,
+			self.animation.punch_start,
+			self.animation.punch_end,
+			self.animation.speed_punch, "punch")
+
+	elseif type == "punch2" and self.animation.current ~= "punch2" then
+
+		set_anim(self,
+			self.animation.punch2_start,
+			self.animation.punch2_end,
+			self.animation.speed_punch2, "punch2")
+
+	elseif type == "shoot" and self.animation.current ~= "shoot" then
+
+		set_anim(self,
+			self.animation.shoot_start,
+			self.animation.shoot_end,
+			self.animation.speed_shoot, "shoot")
+
+	elseif type == "die" and self.animation.current ~= "die" then
+
+		set_anim(self,
+			self.animation.die_start,
+			self.animation.die_end,
+			self.animation.speed_die, "die")
+	end
+end
+
+-- get distance
+local get_distance = function(a, b)
+
+	local x, y, z = a.x - b.x, a.y - b.y, a.z - b.z
+
+	return square(x * x + y * y + z * z)
+end
+
+
+-- check line of sight (BrunoMine)
+function line_of_sight(self, pos1, pos2, stepsize)
+
+	stepsize = stepsize or 1
+
+	local s, pos = minetest.line_of_sight(pos1, pos2, stepsize)
+
+	-- normal walking and flying mobs can see you through air
+	if s == true then
+		return true
+	end
+
+	-- New pos1 to be analyzed
+	local npos1 = {x = pos1.x, y = pos1.y, z = pos1.z}
+
+	local r, pos = minetest.line_of_sight(npos1, pos2, stepsize)
+
+	-- Checks the return
+	if r == true then return true end
+
+	-- Nodename found
+	local nn = minetest.get_node(pos).name
+
+	-- Target Distance (td) to travel
+	local td = get_distance(pos1, pos2)
+
+	-- Actual Distance (ad) traveled
+	local ad = 0
+
+	-- It continues to advance in the line of sight in search of a real obstruction.
+	while minetest.registered_nodes[nn]
+	and minetest.registered_nodes[nn].walkable == false do
+
+		-- Check if you can still move forward
+		if td < ad + stepsize then
+			return true -- Reached the target
+		end
+
+		-- Moves the analyzed pos
+		local d = get_distance(pos1, pos2)
+		npos1.x = ((pos2.x - pos1.x) / d * stepsize) + pos1.x
+		npos1.y = ((pos2.y - pos1.y) / d * stepsize) + pos1.y
+		npos1.z = ((pos2.z - pos1.z) / d * stepsize) + pos1.z
+
+		ad = ad + stepsize
+
+		-- scan again
+		r, pos = minetest.line_of_sight(npos1, pos2, stepsize)
+
+		if r == true then return true end
+
+		-- New Nodename found
+		nn = minetest.get_node(pos).name
+
+	end
+
+	return false
+end
+
+
+-- are we flying in what we are suppose to? (taikedz)
+local function flight_check(self, pos_w)
+
+	local nod = minetest.get_node(pos_w).name
+
+	if type(self.fly_in) == "string"
+	and ( nod == self.fly_in or nod == self.fly_in:gsub("_source", "_flowing") ) then
+
+		return true
+
+	elseif type(self.fly_in) == "table" then
+
+		for _,fly_in in pairs(self.fly_in) do
+
+			if nod == fly_in or nod == fly_in:gsub("_source", "_flowing") then
+				return true
+			end
+		end
+	end
+end
+
+
+-- check line of sight for walkers and swimmers alike (deprecated)
+function line_of_sight_water(self, pos1, pos2, stepsize)
+
+	local s, pos_w = minetest.line_of_sight(pos1, pos2, stepsize)
+
+	-- normal walking and flying mobs can see you through air
+	if s == true then
+		return true
+	end
+
+	-- swimming mobs can see you through water
+	if s == false
+	and self.fly
+	and self.fly_in == "default:water_source" then
+
+		local nod = minetest.get_node(pos_w).name
+
+		if nod == "default:water_source"
+		or nod == "default:water_flowing" then
+
+			return true
+		end
+
+	-- just incase we have a special node for flying/swimming mobs
+	elseif s == false
+	and self.fly
+	and flight_check(self, pos_w) then
+		return true
+	end
+
+	return false
+
+end
+
+
+-- particle effects
+function effect(pos, amount, texture, min_size, max_size, radius, gravity)
+
+	radius = radius or 2
+	min_size = min_size or 0.5
+	max_size = max_size or 1
+	gravity = gravity or -10
+
+	minetest.add_particlespawner({
+		amount = amount,
+		time = 0.25,
+		minpos = pos,
+		maxpos = pos,
+		minvel = {x = -radius, y = -radius, z = -radius},
+		maxvel = {x = radius, y = radius, z = radius},
+		minacc = {x = 0, y = gravity, z = 0},
+		maxacc = {x = 0, y = gravity, z = 0},
+		minexptime = 0.1,
+		maxexptime = 1,
+		minsize = min_size,
+		maxsize = max_size,
+		texture = texture,
+	})
+end
+
+
+-- update nametag colour
+function update_tag(self)
+
+	local col = "#00FF00"
+	local qua = self.hp_max / 4
+
+	if self.health <= floor(qua * 3) then
+		col = "#FFFF00"
+	end
+
+	if self.health <= floor(qua * 2) then
+		col = "#FF6600"
+	end
+
+	if self.health <= floor(qua) then
+		col = "#FF0000"
+	end
+
+	self.object:set_properties({
+		nametag = self.nametag,
+		nametag_color = col
+	})
+
+end
+
+
+-- check if mob is dead or only hurt
+function check_for_death(self)
+
+	-- has health actually changed?
+	if self.health == self.old_health then
+		return
+	end
+
+	self.old_health = self.health
+
+	-- still got some health? play hurt sound
+	if self.health > 0 then
+
+		mob_sound(self, self.sounds.damage)
+
+		-- make sure health isn't higher than max
+		if self.health > self.hp_max then
+			self.health = self.hp_max
+		end
+
+		-- backup nametag so we can show health stats
+		if not self.nametag2 then
+			self.nametag2 = self.nametag or ""
+		end
+
+		if show_health then
+
+			self.htimer = 2
+			--self.nametag = "health: " .. self.health .. " of " .. self.hp_max
+			self.nametag = "♥ " .. self.health .. " / " .. self.hp_max
+
+			update_tag(self)
+		end
+
+		return false
+	end
+
+	-- drop items when dead
+	local obj
+	local pos = self.object:getpos()
+
+	for n = 1, #self.drops do
+
+		if random(1, self.drops[n].chance) == 1 then
+
+			obj = minetest.add_item(pos,
+				ItemStack(self.drops[n].name .. " "
+					.. random(self.drops[n].min, self.drops[n].max)))
+
+			if obj then
+
+				obj:setvelocity({
+					x = random(-10, 10) / 9,
+					y = 6,
+					z = random(-10, 10) / 9,
+				})
+			end
+		end
+	end
+
+	mob_sound(self, self.sounds.death)
+
+	-- execute custom death function
+	if self.on_die then
+
+		self.on_die(self, pos)
+		self.object:remove()
+
+		return true
+	end
+
+	-- default death function and die animation (if defined)
+	if self.animation
+	and self.animation.die_start
+	and self.animation.die_end then
+
+		self.attack = nil
+		self.v_start = false
+		self.timer = 0
+		self.blinktimer = 0
+		self.passive = true
+		self.state = "die"
+		set_velocity(self, 0)
+		set_animation(self, "die")
+
+		minetest.after(2, function(self)
+			self.object:remove()
+		end, self)
+	else
+		self.object:remove()
+	end
+
+	effect(pos, 20, "tnt_smoke.png")
+
+	return true
+end
+
+
+-- check if within physical map limits (-30911 to 30927)
+function within_limits(pos, radius)
+
+	if  (pos.x - radius) > -30913
+	and (pos.x + radius) <  30928
+	and (pos.y - radius) > -30913
+	and (pos.y + radius) <  30928
+	and (pos.z - radius) > -30913
+	and (pos.z + radius) <  30928 then
+		return true -- within limits
+	end
+
+	return false -- beyond limits
+end
+
+
+-- is mob facing a cliff
+local function is_at_cliff(self)
+
+	if self.fear_height == 0 then -- 0 for no falling protection!
+		return false
+	end
+
+	local dir_x = -sin(self.yaw) * (self.collisionbox[4] + 0.5)
+	local dir_z = cos(self.yaw) * (self.collisionbox[4] + 0.5)
+	local pos = self.object:getpos()
+	local ypos = pos.y + self.collisionbox[2] -- just above floor
+
+	if minetest.line_of_sight(
+		{x = pos.x + dir_x, y = ypos, z = pos.z + dir_z},
+		{x = pos.x + dir_x, y = ypos - self.fear_height, z = pos.z + dir_z}
+	, 1) then
+
+		return true
+	end
+
+	return false
+end
+
+
+-- get node but use fallback for nil or unknown
+local function node_ok(pos, fallback)
+
+	fallback = fallback or "default:dirt"
+
+	local node = minetest.get_node_or_nil(pos)
+
+	if not node then
+		return minetest.registered_nodes[fallback]
+	end
+
+	if minetest.registered_nodes[node.name] then
+		return node
+	end
+
+	return minetest.registered_nodes[fallback]
+end
+
+
+-- environmental damage (water, lava, fire, light)
+do_env_damage = function(self)
+
+	-- feed/tame text timer (so mob 'full' messages dont spam chat)
+	if self.htimer > 0 then
+		self.htimer = self.htimer - 1
+	end
+
+	-- reset nametag after showing health stats
+	if self.htimer < 1 and self.nametag2 then
+
+		self.nametag = self.nametag2
+		self.nametag2 = nil
+
+		update_tag(self)
+	end
+
+	local pos = self.object:getpos()
+
+	self.time_of_day = minetest.get_timeofday()
+
+	-- remove mob if beyond map limits
+	if not within_limits(pos, 0) then
+		self.object:remove()
+		return
+	end
+
+	-- daylight above ground
+	if self.light_damage ~= 0
+	and pos.y > 0
+	and self.time_of_day > 0.2
+	and self.time_of_day < 0.8
+	and (minetest.get_node_light(pos) or 0) > 12 then
+
+		self.health = self.health - self.light_damage
+
+		effect(pos, 5, "tnt_smoke.png")
+	end
+
+	-- what is mob standing in?
+	pos.y = pos.y + self.collisionbox[2] + 0.1 -- foot level
+	self.standing_in = node_ok(pos, "air").name
+	--print ("standing in " .. self.standing_in)
+
+	-- don't fall when on ignore, just stand still
+	if self.standing_in == "ignore" then
+		self.object:setvelocity({x = 0, y = 0, z = 0})
+		--print ("--- stopping on ignore")
+	end
+
+	if self.water_damage ~= 0
+	or self.lava_damage ~= 0 then
+
+		local nodef = minetest.registered_nodes[self.standing_in]
+
+		pos.y = pos.y + 1
+
+		-- water
+		if self.water_damage ~= 0
+		and nodef.groups.water then
+
+			self.health = self.health - self.water_damage
+
+			effect(pos, 5, "bubble.png", nil, nil, 1, nil)
+--		end
+
+		-- lava or fire
+		elseif self.lava_damage ~= 0
+		and (nodef.groups.lava
+		or self.standing_in == "fire:basic_flame"
+		or self.standing_in == "fire:permanent_flame") then
+
+			self.health = self.health - self.lava_damage
+
+			effect(pos, 5, "fire_basic_flame.png", nil, nil, 1, nil)
+
+		-- damage_per_second node check
+		elseif minetest.registered_nodes[self.standing_in].damage_per_second ~= 0 then
+
+			local dps = minetest.registered_nodes[self.standing_in].damage_per_second
+
+			self.health = self.health - dps
+
+			effect(pos, 5, "tnt_smoke.png")
+		end
+	end
+
+	check_for_death(self)
+end
+
+
+-- jump if facing a solid node (not fences or gates)
+do_jump = function(self)
+
+	if self.fly
+	or self.child then
+		return
+	end
+
+	local pos = self.object:getpos()
+
+	-- what is mob standing on?
+	pos.y = pos.y + self.collisionbox[2] - 0.2
+
+	local nod = node_ok(pos)
+
+--print ("standing on:", nod.name, pos.y)
+
+	if minetest.registered_nodes[nod.name].walkable == false then
+		return
+	end
+
+	-- where is front
+	local dir_x = -sin(self.yaw) * (self.collisionbox[4] + 0.5)
+	local dir_z = cos(self.yaw) * (self.collisionbox[4] + 0.5)
+
+	-- what is in front of mob?
+	local nod = node_ok({
+		x = pos.x + dir_x,
+		y = pos.y + 0.5,
+		z = pos.z + dir_z
+	})
+
+	-- thin blocks that do not need to be jumped
+	if nod.name == "default:snow" then
+		return
+	end
+
+--print ("in front:", nod.name, pos.y + 0.5)
+
+	if (minetest.registered_items[nod.name].walkable
+	and not nod.name:find("fence")
+	and not nod.name:find("gate"))
+	or self.walk_chance == 0 then
+
+		local v = self.object:getvelocity()
+
+		v.y = self.jump_height + 1
+
+		self.object:setvelocity(v)
+
+		mob_sound(self, self.sounds.jump)
+	end
+end
+
+
+-- this is a faster way to calculate distance
+local get_distance = function(a, b)
+
+	local x, y, z = a.x - b.x, a.y - b.y, a.z - b.z
+
+	return square(x * x + y * y + z * z)
+end
+
+
+-- blast damage to entities nearby (modified from TNT mod)
+function entity_physics(pos, radius)
+
+	radius = radius * 2
+
+	local objs = minetest.get_objects_inside_radius(pos, radius)
+	local obj_pos, dist
+
+	for n = 1, #objs do
+
+		obj_pos = objs[n]:getpos()
+
+		dist = get_distance(pos, obj_pos)
+		if dist < 1 then dist = 1 end
+
+		local damage = floor((4 / dist) * radius)
+		local ent = objs[n]:get_luaentity()
+
+		-- punches work on entities AND players
+		objs[n]:punch(objs[n], 1.0, {
+			full_punch_interval = 1.0,
+			damage_groups = {fleshy = damage},
+		}, nil)
+	end
+end
+
+
+-- should mob follow what I'm holding ?
+function follow_holding(self, clicker)
+
+	if mobs.invis[clicker:get_player_name()] then
+		return false
+	end
+
+	local item = clicker:get_wielded_item()
+	local t = type(self.follow)
+
+	-- single item
+	if t == "string"
+	and item:get_name() == self.follow then
+		return true
+
+	-- multiple items
+	elseif t == "table" then
+
+		for no = 1, #self.follow do
+
+			if self.follow[no] == item:get_name() then
+				return true
+			end
+		end
+	end
+
+	return false
+end
+
+
+-- find two animals of same type and breed if nearby and horny
+local function breed(self)
+
+	-- child takes 240 seconds before growing into adult
+	if self.child == true then
+
+		self.hornytimer = self.hornytimer + 1
+
+		if self.hornytimer > 240 then
+
+			self.child = false
+			self.hornytimer = 0
+
+			self.object:set_properties({
+				textures = self.base_texture,
+				mesh = self.base_mesh,
+				visual_size = self.base_size,
+				collisionbox = self.base_colbox,
+			})
+
+			-- jump when fully grown so not to fall into ground
+			self.object:setvelocity({
+				x = 0,
+				y = self.jump_height,
+				z = 0
+			})
+		end
+
+		return
+	end
+
+	-- horny animal can mate for 40 seconds,
+	-- afterwards horny animal cannot mate again for 200 seconds
+	if self.horny == true
+	and self.hornytimer < 240 then
+
+		self.hornytimer = self.hornytimer + 1
+
+		if self.hornytimer >= 240 then
+			self.hornytimer = 0
+			self.horny = false
+		end
+	end
+
+	-- find another same animal who is also horny and mate if close enough
+	if self.horny == true
+	and self.hornytimer <= 40 then
+
+		local pos = self.object:getpos()
+
+		effect({x = pos.x, y = pos.y + 1, z = pos.z}, 8, "heart.png", 3, 4, 1, 0.1)
+
+		local objs = minetest.get_objects_inside_radius(pos, 3)
+		local num = 0
+		local ent = nil
+
+		for n = 1, #objs do
+
+			ent = objs[n]:get_luaentity()
+
+			-- check for same animal with different colour
+			local canmate = false
+
+			if ent then
+
+				if ent.name == self.name then
+					canmate = true
+				else
+					local entname = string.split(ent.name,":")
+					local selfname = string.split(self.name,":")
+
+					if entname[1] == selfname[1] then
+						entname = string.split(entname[2],"_")
+						selfname = string.split(selfname[2],"_")
+
+						if entname[1] == selfname[1] then
+							canmate = true
+						end
+					end
+				end
+			end
+
+			if ent
+			and canmate == true
+			and ent.horny == true
+			and ent.hornytimer <= 40 then
+				num = num + 1
+			end
+
+			-- found your mate? then have a baby
+			if num > 1 then
+
+				self.hornytimer = 41
+				ent.hornytimer = 41
+
+				-- spawn baby
+				minetest.after(5, function()
+
+					local mob = minetest.add_entity(pos, self.name)
+					local ent2 = mob:get_luaentity()
+					local textures = self.base_texture
+
+					if self.child_texture then
+						textures = self.child_texture[1]
+					end
+
+					mob:set_properties({
+						textures = textures,
+						visual_size = {
+							x = self.base_size.x * .5,
+							y = self.base_size.y * .5,
+						},
+						collisionbox = {
+							self.base_colbox[1] * .5,
+							self.base_colbox[2] * .5,
+							self.base_colbox[3] * .5,
+							self.base_colbox[4] * .5,
+							self.base_colbox[5] * .5,
+							self.base_colbox[6] * .5,
+						},
+					})
+					ent2.child = true
+					ent2.tamed = true
+					ent2.owner = self.owner
+				end)
+
+				num = 0
+
+				break
+			end
+		end
+	end
+end
+
+
+-- find and replace what mob is looking for (grass, wheat etc.)
+function replace(self, pos)
+
+	if self.replace_rate
+	and self.child == false
+	and random(1, self.replace_rate) == 1 then
+
+		local pos = self.object:getpos()
+
+		pos.y = pos.y + self.replace_offset
+
+-- print ("replace node = ".. minetest.get_node(pos).name, pos.y)
+
+		if self.replace_what
+		and self.replace_with
+		and self.object:getvelocity().y == 0
+		and #minetest.find_nodes_in_area(pos, pos, self.replace_what) > 0 then
+
+			minetest.set_node(pos, {name = self.replace_with})
+
+			-- when cow/sheep eats grass, replace wool and milk
+			if self.gotten == true then
+				self.gotten = false
+				self.object:set_properties(self)
+			end
+		end
+	end
+end
+
+
+-- check if daytime and also if mob is docile during daylight hours
+function day_docile(self)
+
+	if self.docile_by_day == false then
+
+		return false
+
+	elseif self.docile_by_day == true
+	and self.time_of_day > 0.2
+	and self.time_of_day < 0.8 then
+
+		return true
+	end
+end
+
+
+-- path finding and smart mob routine by rnd
+function smart_mobs(self, s, p, dist, dtime)
+
+	local s1 = self.path.lastpos
+
+	-- is it becoming stuck?
+	if abs(s1.x - s.x) + abs(s1.z - s.z) < 1.5 then
+		self.path.stuck_timer = self.path.stuck_timer + dtime
+	else
+		self.path.stuck_timer = 0
+	end
+
+	self.path.lastpos = {x = s.x, y = s.y, z = s.z}
+
+	-- im stuck, search for path
+	if (self.path.stuck_timer > stuck_timeout and not self.path.following)
+	or (self.path.stuck_timer > stuck_path_timeout
+	and self.path.following) then
+
+		self.path.stuck_timer = 0
+
+		-- lets try find a path, first take care of positions
+		-- since pathfinder is very sensitive
+		local sheight = self.collisionbox[5] - self.collisionbox[2]
+
+		-- round position to center of node to avoid stuck in walls
+		-- also adjust height for player models!
+		s.x = floor(s.x + 0.5)
+		s.y = floor(s.y + 0.5) - sheight
+		s.z = floor(s.z + 0.5)
+
+		local ssight, sground = minetest.line_of_sight(s, {
+			x = s.x, y = s.y - 4, z = s.z}, 1)
+
+		-- determine node above ground
+		if not ssight then
+			s.y = sground.y + 1
+		end
+
+		local p1 = self.attack:getpos()
+
+		p1.x = floor(p1.x + 0.5)
+		p1.y = floor(p1.y + 0.5)
+		p1.z = floor(p1.z + 0.5)
+
+		self.path.way = minetest.find_path(s, p1, 16, 2, 6, "Dijkstra") --"A*_noprefetch")
+
+		-- attempt to unstick mob that is "daydreaming"
+		self.object:setpos({
+			x = s.x + 0.1 * (random() * 2 - 1),
+			y = s.y + 1,
+			z = s.z + 0.1 * (random() * 2 - 1)
+		})
+
+		self.state = ""
+		do_attack(self, self.attack)
+
+		-- no path found, try something else
+		if not self.path.way then
+
+			self.path.following = false
+
+			 -- lets make way by digging/building if not accessible
+			if self.pathfinding == 2 then
+
+				 -- add block and remove one block above so
+				 -- there is room to jump if needed
+				if s.y < p1.y then
+
+					if not minetest.is_protected(s, "") then
+						minetest.set_node(s, {name = "default:dirt"})
+					end
+
+					local sheight = math.ceil(self.collisionbox[5]) + 1
+
+					-- assume mob is 2 blocks high so it digs above its head
+					s.y = s.y + sheight
+
+					if not minetest.is_protected(s, "") then
+
+						local node1 = minetest.get_node(s).name
+
+						if node1 ~= "air"
+						and node1 ~= "ignore" then
+							minetest.set_node(s, {name = "air"})
+							minetest.add_item(s, ItemStack(node1))
+						end
+					end
+
+					s.y = s.y - sheight
+					self.object:setpos({x = s.x, y = s.y + 2, z = s.z})
+
+				else -- dig 2 blocks to make door toward player direction
+
+					local yaw1 = self.yaw + pi / 2
+
+					local p1 = {
+						x = s.x + cos(yaw1),
+						y = s.y,
+						z = s.z + sin(yaw1)
+					}
+
+					if not minetest.is_protected(p1, "") then
+
+						local node1 = minetest.get_node(p1).name
+
+						if node1 ~= "air"
+						and node1 ~= "ignore" then
+							minetest.add_item(p1, ItemStack(node1))
+							minetest.set_node(p1, {name = "air"})
+						end
+
+						p1.y = p1.y + 1
+						node1 = minetest.get_node(p1).name
+
+						if node1 ~= "air"
+						and node1 ~= "ignore" then
+							minetest.add_item(p1, ItemStack(node1))
+							minetest.set_node(p1, {name = "air"})
+						end
+
+					end
+				end
+			end
+
+			-- will try again in 2 second
+			self.path.stuck_timer = stuck_timeout - 2
+
+			-- frustration! cant find the damn path :(
+			mob_sound(self, self.sounds.random)
+		else
+			-- yay i found path
+			mob_sound(self, self.sounds.attack)
+
+			set_velocity(self, self.walk_velocity)
+
+			-- follow path now that it has it
+			self.path.following = true
+		end
+	end
+end
+
+
+-- specific attacks
+local specific_attack = function(list, what)
+
+	-- no list so attack default (player, animals etc.)
+	if list == nil then
+		return true
+	end
+
+	-- is found entity on list to attack?
+	for no = 1, #list do
+
+		if list[no] == what then
+			return true
+		end
+	end
+
+	return false
+end
+
+
+-- monster find someone to attack
+local monster_attack = function(self)
+
+	if self.type ~= "monster"
+	or not damage_enabled
+	or self.state == "attack"
+	or day_docile(self) then
+		return
+	end
+
+	local s = self.object:getpos()
+	local p, sp, dist
+	local player, obj, min_player
+	local type, name = "", ""
+	local min_dist = self.view_range + 1
+	local objs = minetest.get_objects_inside_radius(s, self.view_range)
+
+	for n = 1, #objs do
+
+		if objs[n]:is_player() then
+
+			if mobs.invis[ objs[n]:get_player_name() ] then
+
+				type = ""
+			else
+				player = objs[n]
+				type = "player"
+				name = "player"
+			end
+		else
+			obj = objs[n]:get_luaentity()
+
+			if obj then
+				player = obj.object
+				type = obj.type
+				name = obj.name or ""
+			end
+		end
+
+		-- find specific mob to attack, failing that attack player/npc/animal
+		if specific_attack(self.specific_attack, name)
+		and (type == "player" or type == "npc"
+			or (type == "animal" and self.attack_animals == true)) then
+
+			s = self.object:getpos()
+			p = player:getpos()
+			sp = s
+
+			-- aim higher to make looking up hills more realistic
+			p.y = p.y + 1
+			sp.y = sp.y + 1
+
+			dist = get_distance(p, s)
+
+			if dist < self.view_range then
+			-- field of view check goes here
+
+				-- choose closest player to attack
+--				if line_of_sight_water(self, sp, p, 2) == true
+				if line_of_sight(self, sp, p, 2) == true
+				and dist < min_dist then
+					min_dist = dist
+					min_player = player
+				end
+			end
+		end
+	end
+
+	-- attack player
+	if min_player then
+		do_attack(self, min_player)
+	end
+end
+
+
+-- npc, find closest monster to attack
+local npc_attack = function(self)
+
+	if self.type ~= "npc"
+	or not self.attacks_monsters
+	or self.state == "attack" then
+		return
+	end
+
+	local s = self.object:getpos()
+	local min_dist = self.view_range + 1
+	local obj, min_player = nil, nil
+	local objs = minetest.get_objects_inside_radius(s, self.view_range)
+
+	for n = 1, #objs do
+
+		obj = objs[n]:get_luaentity()
+
+		if obj and obj.type == "monster" then
+
+			p = obj.object:getpos()
+
+			dist = get_distance(p, s)
+
+			if dist < min_dist then
+				min_dist = dist
+				min_player = obj.object
+			end
+		end
+	end
+
+	if min_player then
+		do_attack(self, min_player)
+	end
+end
+
+
+-- follow player if owner or holding item, if fish outta water then flop
+local follow_flop = function(self)
+
+	-- find player to follow
+	if (self.follow ~= ""
+	or self.order == "follow")
+	and not self.following
+	and self.state ~= "attack"
+	and self.state ~= "runaway" then
+
+		local s = self.object:getpos()
+		local players = minetest.get_connected_players()
+
+		for n = 1, #players do
+
+			if get_distance(players[n]:getpos(), s) < self.view_range
+			and not mobs.invis[ players[n]:get_player_name() ] then
+
+				self.following = players[n]
+
+				break
+			end
+		end
+	end
+
+	if self.type == "npc"
+	and self.order == "follow"
+	and self.state ~= "attack"
+	and self.owner ~= "" then
+
+		-- npc stop following player if not owner
+		if self.following
+		and self.owner
+		and self.owner ~= self.following:get_player_name() then
+			self.following = nil
+		end
+	else
+		-- stop following player if not holding specific item
+		if self.following
+		and self.following:is_player()
+		and follow_holding(self, self.following) == false then
+			self.following = nil
+		end
+
+	end
+
+	-- follow that thing
+	if self.following then
+
+		local s = self.object:getpos()
+		local p
+
+		if self.following:is_player() then
+
+			p = self.following:getpos()
+
+		elseif self.following.object then
+
+			p = self.following.object:getpos()
+		end
+
+		if p then
+
+			local dist = get_distance(p, s)
+
+			-- dont follow if out of range
+			if dist > self.view_range then
+				self.following = nil
+			else
+				local vec = {
+					x = p.x - s.x,
+					z = p.z - s.z
+				}
+
+				local yaw = atan2(vec.z, vec.x) - pi / 2
+
+				set_yaw(self, yaw)
+
+				-- anyone but standing npc's can move along
+				if dist > self.reach
+				and self.order ~= "stand" then
+
+					if (self.jump
+					and get_velocity(self) <= 0.5
+					and self.object:getvelocity().y == 0)
+					or (self.object:getvelocity().y == 0
+					and self.jump_chance > 0) then
+
+						do_jump(self)
+					end
+
+					set_velocity(self, self.walk_velocity)
+
+					if self.walk_chance ~= 0 then
+						set_animation(self, "walk")
+					end
+				else
+					set_velocity(self, 0)
+					set_animation(self, "stand")
+				end
+
+				return
+			end
+		end
+	end
+
+	-- swimmers flop when out of their element, and swim again when back in
+	if self.fly then
+		local s = self.object:getpos()
+		if not flight_check(self, s) then
+
+			self.state = "flop"
+			self.object:setvelocity({x = 0, y = -5, z = 0})
+
+			set_animation(self, "stand")
+
+			return
+		elseif self.state == "flop" then
+			self.state = "stand"
+		end
+	end
+end
+
+
+-- dogshoot attack switch and counter function
+local dogswitch = function(self, dtime)
+
+	-- switch mode not activated
+	if not self.dogshoot_switch
+	or not dtime then
+		return 0
+	end
+
+	self.dogshoot_count = self.dogshoot_count + dtime
+
+	if self.dogshoot_count > self.dogshoot_count_max then
+
+		self.dogshoot_count = 0
+
+		if self.dogshoot_switch == 1 then
+			self.dogshoot_switch = 2
+		else
+			self.dogshoot_switch = 1
+		end
+	end
+
+	return self.dogshoot_switch
+end
+
+
+-- execute current state (stand, walk, run, attacks)
+local do_states = function(self, dtime)
+
+	local yaw = self.yaw -- 0
+
+	if self.state == "stand" then
+
+		if random(1, 4) == 1 then
+
+			local lp = nil
+			local s = self.object:getpos()
+			local objs = minetest.get_objects_inside_radius(s, 3)
+
+			for n = 1, #objs do
+
+				if objs[n]:is_player() then
+					lp = objs[n]:getpos()
+					break
+				end
+			end
+
+			-- look at any players nearby, otherwise turn randomly
+			if lp then
+
+				local vec = {
+					x = lp.x - s.x,
+					z = lp.z - s.z
+				}
+
+				yaw = atan2(vec.z, vec.x) - pi / 2
+			else
+				yaw = random() * 2 * pi
+			end
+
+			set_yaw(self, yaw)
+		end
+
+		set_velocity(self, 0)
+		set_animation(self, "stand")
+
+		-- npc's ordered to stand stay standing
+		if self.type ~= "npc"
+		or self.order ~= "stand" then
+
+			if self.walk_chance ~= 0
+			and random(1, 100) <= self.walk_chance
+			and is_at_cliff(self) == false then
+
+				set_velocity(self, self.walk_velocity)
+				self.state = "walk"
+				set_animation(self, "walk")
+			end
+		end
+
+	elseif self.state == "walk" then
+
+		local s = self.object:getpos()
+		local lp = nil
+
+		-- is there something I need to avoid?
+		if self.water_damage > 0
+		and self.lava_damage > 0 then
+
+			lp = minetest.find_node_near(s, 1, {"group:water", "group:lava"})
+
+		elseif self.water_damage > 0 then
+
+			lp = minetest.find_node_near(s, 1, {"group:water"})
+
+		elseif self.lava_damage > 0 then
+
+			lp = minetest.find_node_near(s, 1, {"group:lava"})
+		end
+
+		if lp then
+
+			-- if mob in water or lava then look for land
+			if (self.lava_damage
+				and minetest.registered_nodes[self.standing_in].groups.lava)
+			or (self.water_damage
+				and minetest.registered_nodes[self.standing_in].groups.water) then
+
+				lp = minetest.find_node_near(s, 5, {"group:soil", "group:stone",
+					"group:sand", "default:ice", "default:snowblock"})
+
+				-- did we find land?
+				if lp then
+
+					local vec = {
+						x = lp.x - s.x,
+						z = lp.z - s.z
+					}
+
+					yaw = atan2(vec.z, vec.x) + pi / 2
+				else
+					yaw = random() * 2 * pi
+				end
+
+			else
+
+				local vec = {
+					x = lp.x - s.x,
+					z = lp.z - s.z
+				}
+
+				yaw = atan2(vec.z, vec.x) + pi / 2
+			end
+
+			set_yaw(self, yaw)
+
+		-- otherwise randomly turn
+		elseif random(1, 100) <= 30 then
+
+			yaw = random() * 2 * pi
+
+			set_yaw(self, yaw)
+		end
+
+		-- stand for great fall in front
+		local temp_is_cliff = is_at_cliff(self)
+
+		-- jump when walking comes to a halt
+		if temp_is_cliff == false
+		and self.jump
+		and get_velocity(self) <= 0.5
+		and self.object:getvelocity().y == 0 then
+
+			do_jump(self)
+		end
+
+		if temp_is_cliff
+		or random(1, 100) <= 30 then
+
+			set_velocity(self, 0)
+			self.state = "stand"
+			set_animation(self, "stand")
+		else
+			set_velocity(self, self.walk_velocity)
+			set_animation(self, "walk")
+		end
+
+	-- runaway when punched
+	elseif self.state == "runaway" then
+
+		self.runaway_timer = self.runaway_timer + 1
+
+		-- stop after 5 seconds or when at cliff
+		if self.runaway_timer > 5
+		or is_at_cliff(self) then
+			self.runaway_timer = 0
+			set_velocity(self, 0)
+			self.state = "stand"
+			set_animation(self, "stand")
+		else
+			set_velocity(self, self.run_velocity)
+			set_animation(self, "walk")
+		end
+
+		-- jump when walking comes to a halt
+		if self.jump
+		and get_velocity(self) <= 0.5
+		and self.object:getvelocity().y == 0 then
+
+			do_jump(self)
+		end
+
+	-- attack routines (explode, dogfight, shoot, dogshoot)
+	elseif self.state == "attack" then
+
+		-- calculate distance from mob and enemy
+		local s = self.object:getpos()
+		local p = self.attack:getpos() or s
+		local dist = get_distance(p, s)
+
+		-- stop attacking if player or out of range
+		if dist > self.view_range
+		or not self.attack
+		or not self.attack:getpos()
+		or self.attack:get_hp() <= 0
+		or (self.attack:is_player() and mobs.invis[ self.attack:get_player_name() ]) then
+
+			--print(" ** stop attacking **", dist, self.view_range)
+			self.state = "stand"
+			set_velocity(self, 0)
+			set_animation(self, "stand")
+			self.attack = nil
+			self.v_start = false
+			self.timer = 0
+			self.blinktimer = 0
+
+			return
+		end
+
+		if self.attack_type == "explode" then
+
+			local vec = {
+				x = p.x - s.x,
+				z = p.z - s.z
+			}
+
+			yaw = atan2(vec.z, vec.x) - pi / 2
+
+			set_yaw(self, yaw)
+
+			if dist > self.reach then
+
+				if not self.v_start then
+
+					self.v_start = true
+					set_velocity(self, self.run_velocity)
+					self.timer = 0
+					self.blinktimer = 0
+				else
+					self.timer = 0
+					self.blinktimer = 0
+
+					if get_velocity(self) <= 0.5
+					and self.object:getvelocity().y == 0 then
+
+						do_jump(self)
+					end
+
+					set_velocity(self, self.run_velocity)
+				end
+
+				set_animation(self, "run")
+			else
+				set_velocity(self, 0)
+				set_animation(self, "punch")
+
+				self.timer = self.timer + dtime
+				self.blinktimer = (self.blinktimer or 0) + dtime
+
+				if self.blinktimer > 0.2 then
+
+					self.blinktimer = 0
+
+					if self.blinkstatus then
+						self.object:settexturemod("")
+					else
+						self.object:settexturemod("^[brighten")
+					end
+
+					self.blinkstatus = not self.blinkstatus
+				end
+
+				if self.timer > 3 then
+
+					local pos = self.object:getpos()
+					local radius = self.explosion_radius or 1
+
+					-- hurt player/mobs caught in blast area
+					entity_physics(pos, radius)
+
+					-- dont damage anything if area protected or next to water
+					if minetest.find_node_near(pos, 1, {"group:water"})
+					or minetest.is_protected(pos, "") then
+
+						mob_sound(self, self.sounds.explode)
+
+						self.object:remove()
+
+						effect(pos, 15, "tnt_smoke.png")
+
+						return
+					end
+
+					pos.y = pos.y - 1
+
+					mobs:explosion(pos, radius, 0, 1, self.sounds.explode)
+
+					self.object:remove()
+
+					return
+				end
+			end
+
+		elseif self.attack_type == "dogfight"
+		or (self.attack_type == "dogshoot" and dogswitch(self, dtime) == 2)
+		or (self.attack_type == "dogshoot" and dist <= self.reach and dogswitch(self) == 0) then
+
+			if self.fly
+			and dist > self.reach then
+
+				local nod = node_ok(s)
+				local p1 = s
+				local me_y = floor(p1.y)
+				local p2 = p
+				local p_y = floor(p2.y + 1)
+				local v = self.object:getvelocity()
+
+--				if nod.name == self.fly_in then
+				if flight_check(self, s) then
+
+					if me_y < p_y then
+
+						self.object:setvelocity({
+							x = v.x,
+							y = 1 * self.walk_velocity,
+							z = v.z
+						})
+
+					elseif me_y > p_y then
+
+						self.object:setvelocity({
+							x = v.x,
+							y = -1 * self.walk_velocity,
+							z = v.z
+						})
+					end
+				else
+					if me_y < p_y then
+
+						self.object:setvelocity({
+							x = v.x,
+							y = 0.01,
+							z = v.z
+						})
+
+					elseif me_y > p_y then
+
+						self.object:setvelocity({
+							x = v.x,
+							y = -0.01,
+							z = v.z
+						})
+					end
+				end
+
+			end
+
+			-- rnd: new movement direction
+			if self.path.following
+			and self.path.way
+			and self.attack_type ~= "dogshoot" then
+
+				-- no paths longer than 50
+				if #self.path.way > 50
+				or dist < self.reach then
+					self.path.following = false
+					return
+				end
+
+				local p1 = self.path.way[1]
+
+				if not p1 then
+					self.path.following = false
+					return
+				end
+
+				if abs(p1.x-s.x) + abs(p1.z - s.z) < 0.6 then
+					-- reached waypoint, remove it from queue
+					table.remove(self.path.way, 1)
+				end
+
+				-- set new temporary target
+				p = {x = p1.x, y = p1.y, z = p1.z}
+			end
+
+			local vec = {
+				x = p.x - s.x,
+				z = p.z - s.z
+			}
+
+			yaw = atan2(vec.z, vec.x) - pi / 2
+
+			set_yaw(self, yaw)
+
+			-- move towards enemy if beyond mob reach
+			if dist > self.reach then
+
+				-- path finding by rnd
+				if self.pathfinding -- only if mob has pathfinding enabled
+				and enable_pathfinding then
+
+					smart_mobs(self, s, p, dist, dtime)
+				end
+
+				-- jump attack
+				if (self.jump
+				and get_velocity(self) <= 0.5
+				and self.object:getvelocity().y == 0)
+				or (self.object:getvelocity().y == 0
+				and self.jump_chance > 0) then
+
+					do_jump(self)
+				end
+
+				if is_at_cliff(self) then
+
+					set_velocity(self, 0)
+					set_animation(self, "stand")
+				else
+
+					if self.path.stuck then
+						set_velocity(self, self.walk_velocity)
+					else
+						set_velocity(self, self.run_velocity)
+					end
+
+					set_animation(self, "run")
+				end
+
+			else -- rnd: if inside reach range
+
+				self.path.stuck = false
+				self.path.stuck_timer = 0
+				self.path.following = false -- not stuck anymore
+
+				set_velocity(self, 0)
+
+				if not self.custom_attack then
+
+					if self.timer > 1 then
+
+						self.timer = 0
+
+						if self.double_melee_attack
+						and random(1, 2) == 1 then
+							set_animation(self, "punch2")
+						else
+							set_animation(self, "punch")
+						end
+
+						local p2 = p
+						local s2 = s
+
+						p2.y = p2.y + .5--1.5
+						s2.y = s2.y + .5--1.5
+
+--						if line_of_sight_water(self, p2, s2) == true then
+						if line_of_sight(self, p2, s2) == true then
+
+							-- play attack sound
+							mob_sound(self, self.sounds.attack)
+
+							-- punch player (or what player is attached to)
+							local attached = self.attack:get_attach()
+							if attached then
+								self.attack = attached
+							end
+							self.attack:punch(self.object, 1.0, {
+								full_punch_interval = 1.0,
+								damage_groups = {fleshy = self.damage}
+							}, nil)
+						end
+					end
+				else	-- call custom attack every second
+					if self.custom_attack
+					and self.timer > 1 then
+
+						self.timer = 0
+
+						self.custom_attack(self, p)
+					end
+				end
+			end
+
+		elseif self.attack_type == "shoot"
+		or (self.attack_type == "dogshoot" and dogswitch(self, dtime) == 1)
+		or (self.attack_type == "dogshoot" and dist > self.reach and dogswitch(self) == 0) then
+
+			p.y = p.y - .5
+			s.y = s.y + .5
+
+			local dist = get_distance(p, s)
+			local vec = {
+				x = p.x - s.x,
+				y = p.y - s.y,
+				z = p.z - s.z
+			}
+
+			yaw = atan2(vec.z, vec.x) - pi / 2
+
+			set_yaw(self, yaw)
+
+			set_velocity(self, 0)
+
+			if self.shoot_interval
+			and self.timer > self.shoot_interval
+			and random(1, 100) <= 60 then
+
+				self.timer = 0
+				set_animation(self, "shoot")
+
+				-- play shoot attack sound
+				mob_sound(self, self.sounds.shoot_attack)
+
+				local p = self.object:getpos()
+
+				p.y = p.y + (self.collisionbox[2] + self.collisionbox[5]) / 2
+
+				local obj = minetest.add_entity(p, self.arrow)
+				local ent = obj:get_luaentity()
+				local amount = (vec.x * vec.x + vec.y * vec.y + vec.z * vec.z) ^ 0.5
+				local v = ent.velocity or 1 -- or set to default
+				ent.switch = 1
+				ent.owner_id = tostring(self.object) -- add unique owner id to arrow
+
+				 -- offset makes shoot aim accurate
+				vec.y = vec.y + self.shoot_offset
+				vec.x = vec.x * (v / amount)
+				vec.y = vec.y * (v / amount)
+				vec.z = vec.z * (v / amount)
+
+				obj:setvelocity(vec)
+			end
+		end
+	end
+end
+
+
+-- falling and fall damage
+local falling = function(self, pos)
+
+	if self.fly then
+		return
+	end
+
+	-- floating in water (or falling)
+	local v = self.object:getvelocity()
+
+	-- going up then apply gravity
+	if v.y > 0.1 then
+
+		self.object:setacceleration({
+			x = 0,
+			y = self.fall_speed,
+			z = 0
+		})
+	end
+
+	-- in water then float up
+	if minetest.registered_nodes[node_ok(pos).name].groups.liquid then
+
+		if self.floats == 1 then
+
+			self.object:setacceleration({
+				x = 0,
+				y = -self.fall_speed / (max(1, v.y) ^ 2),
+				z = 0
+			})
+		end
+	else
+		-- fall downwards
+		self.object:setacceleration({
+			x = 0,
+			y = self.fall_speed,
+			z = 0
+		})
+
+		-- fall damage
+		if self.fall_damage == 1
+		and self.object:getvelocity().y == 0 then
+
+			local d = self.old_y - self.object:getpos().y
+
+			if d > 5 then
+
+				self.health = self.health - floor(d - 5)
+
+				effect(pos, 5, "tnt_smoke.png", 1, 2, 2, nil)
+
+				if check_for_death(self) then
+					return
+				end
+			end
+
+			self.old_y = self.object:getpos().y
+		end
+	end
+end
+
+
+local mob_punch = function(self, hitter, tflp, tool_capabilities, dir)
+
+	-- error checking when mod profiling is enabled
+	if not tool_capabilities then
+		print (S("[MOBS] mod profiling enabled, damage not enabled"))
+		return
+	end
+
+	-- is mob protected?
+	if self.protected and hitter:is_player()
+	and minetest.is_protected(self.object:getpos(), hitter:get_player_name()) then
+		minetest.chat_send_player(hitter:get_player_name(), "Mob has been protected!")
+		return
+	end
+
+
+	-- weapon wear
+	local weapon = hitter:get_wielded_item()
+	local punch_interval = 1.4
+
+	-- calculate mob damage
+	local damage = 0
+	local armor = self.object:get_armor_groups() or {}
+	local tmp
+
+	-- quick error check incase it ends up 0 (serialize.h check test)
+	if tflp == 0 then
+		tflp = 0.2
+	end
+
+	for group,_ in pairs( (tool_capabilities.damage_groups or {}) ) do
+
+		tmp = tflp / (tool_capabilities.full_punch_interval or 1.4)
+
+		if tmp < 0 then
+			tmp = 0.0
+		elseif tmp > 1 then
+			tmp = 1.0
+		end
+
+		damage = damage + (tool_capabilities.damage_groups[group] or 0)
+			* tmp * ((armor[group] or 0) / 100.0)
+	end
+
+	-- check for tool immunity or special damage
+	for n = 1, #self.immune_to do
+
+		if self.immune_to[n][1] == weapon:get_name() then
+
+			damage = self.immune_to[n][2] or 0
+			break
+		end
+	end
+
+	-- healing
+	if damage <= -1 then
+		self.health = self.health - floor(damage)
+		return
+	end
+
+--	print ("Mob Damage is", damage)
+
+	-- add weapon wear
+	if tool_capabilities then
+		punch_interval = tool_capabilities.full_punch_interval or 1.4
+	end
+
+	if weapon:get_definition()
+	and weapon:get_definition().tool_capabilities then
+
+		weapon:add_wear(floor((punch_interval / 75) * 9000))
+		hitter:set_wielded_item(weapon)
+	end
+
+	-- only play hit sound and show blood effects if damage is 1 or over
+	if damage >= 1 then
+
+		-- weapon sounds
+		if weapon:get_definition().sounds ~= nil then
+
+			local s = random(0, #weapon:get_definition().sounds)
+
+			minetest.sound_play(weapon:get_definition().sounds[s], {
+				object = hitter,
+				max_hear_distance = 8
+			})
+		else
+			minetest.sound_play("default_punch", {
+				object = hitter,
+				max_hear_distance = 5
+			})
+		end
+
+		-- blood_particles
+		if self.blood_amount > 0
+		and not disable_blood then
+
+			local pos = self.object:getpos()
+
+			pos.y = pos.y + (-self.collisionbox[2] + self.collisionbox[5]) * .5
+
+			effect(pos, self.blood_amount, self.blood_texture, nil, nil, 1, nil)
+		end
+
+		-- do damage
+		self.health = self.health - floor(damage)
+
+		-- exit here if dead
+		if check_for_death(self) then
+			return
+		end
+
+		--[[ add healthy afterglow when hit (can cause hit lag with larger textures)
+		core.after(0.1, function()
+			self.object:settexturemod("^[colorize:#c9900070")
+
+			core.after(0.3, function()
+				self.object:settexturemod("")
+			end)
+		end) ]]
+
+		-- knock back effect (only on full punch)
+		if self.knock_back > 0
+		and tflp > punch_interval then
+
+			local v = self.object:getvelocity()
+			local r = 1.4 - min(punch_interval, 1.4)
+			local kb = r * 5
+			local up = 2
+
+			-- if already in air then dont go up anymore when hit
+			if v.y > 0
+			or self.fly then
+				up = 0
+			end
+
+			-- direction error check
+			dir = dir or {x = 0, y = 0, z = 0}
+
+			self.object:setvelocity({
+				x = dir.x * kb,
+				y = up,
+				z = dir.z * kb
+			})
+
+			self.pause_timer = r
+		end
+	end -- END if damage
+
+	-- if skittish then run away
+	if self.runaway == true then
+
+		local lp = hitter:getpos()
+		local s = self.object:getpos()
+
+		local vec = {
+			x = lp.x - s.x,
+			y = lp.y - s.y,
+			z = lp.z - s.z
+		}
+
+		local yaw = atan(vec.z / vec.x) + 3 * pi / 2
+
+		if lp.x > s.x then
+			yaw = yaw + pi
+		end
+
+		set_yaw(self, yaw)
+		self.state = "runaway"
+		self.runaway_timer = 0
+		self.following = nil
+	end
+
+	-- attack puncher and call other mobs for help
+	if self.passive == false
+	and self.state ~= "flop"
+	and self.child == false
+	and hitter:get_player_name() ~= self.owner
+	and not mobs.invis[ hitter:get_player_name() ] then
+
+		-- attack whoever punched mob
+		self.state = ""
+		do_attack(self, hitter)
+
+		-- alert others to the attack
+		local objs = minetest.get_objects_inside_radius(hitter:getpos(), self.view_range)
+		local obj = nil
+
+		for n = 1, #objs do
+
+			obj = objs[n]:get_luaentity()
+
+			if obj then
+
+				if obj.group_attack == true
+				and obj.state ~= "attack" then
+					do_attack(obj, hitter)
+				end
+			end
+		end
+	end
+end
+
+
+local mob_activate = function(self, staticdata, dtime_s, def)
+
+	-- remove monsters in peaceful mode, or when no data
+	if (self.type == "monster" and peaceful_only)
+	or not staticdata then
+
+		self.object:remove()
+
+		return
+	end
+
+	-- load entity variables
+	local tmp = minetest.deserialize(staticdata)
+
+	if tmp then
+
+		for _,stat in pairs(tmp) do
+			self[_] = stat
+		end
+	end
+
+	-- select random texture, set model and size
+	if not self.base_texture then
+
+		self.base_texture = def.textures[random(1, #def.textures)]
+		self.base_mesh = def.mesh
+		self.base_size = self.visual_size
+		self.base_colbox = self.collisionbox
+	end
+
+	-- set texture, model and size
+	local textures = self.base_texture
+	local mesh = self.base_mesh
+	local vis_size = self.base_size
+	local colbox = self.base_colbox
+
+	-- specific texture if gotten
+	if self.gotten == true
+	and def.gotten_texture then
+		textures = def.gotten_texture
+	end
+
+	-- specific mesh if gotten
+	if self.gotten == true
+	and def.gotten_mesh then
+		mesh = def.gotten_mesh
+	end
+
+	-- set child objects to half size
+	if self.child == true then
+
+		vis_size = {
+			x = self.base_size.x * .5,
+			y = self.base_size.y * .5,
+		}
+
+		if def.child_texture then
+			textures = def.child_texture[1]
+		end
+
+		colbox = {
+			self.base_colbox[1] * .5,
+			self.base_colbox[2] * .5,
+			self.base_colbox[3] * .5,
+			self.base_colbox[4] * .5,
+			self.base_colbox[5] * .5,
+			self.base_colbox[6] * .5
+		}
+	end
+
+	if self.health == 0 then
+		self.health = random (self.hp_min, self.hp_max)
+	end
+
+	-- rnd: pathfinding init
+	self.path = {}
+	self.path.way = {} -- path to follow, table of positions
+	self.path.lastpos = {x = 0, y = 0, z = 0}
+	self.path.stuck = false
+	self.path.following = false -- currently following path?
+	self.path.stuck_timer = 0 -- if stuck for too long search for path
+	-- end init
+
+	self.object:set_armor_groups({immortal = 1, fleshy = self.armor})
+	self.old_y = self.object:getpos().y
+	self.old_health = self.health
+	self.sounds.distance = self.sounds.distance or 10
+	self.textures = textures
+	self.mesh = mesh
+	self.collisionbox = colbox
+	self.visual_size = vis_size
+	self.standing_in = ""
+
+	-- set anything changed above
+	self.object:set_properties(self)
+	set_yaw(self, random() * 2 * pi)
+	update_tag(self)
+end
+
+
+local mob_step = function(self, dtime)
+
+	local pos = self.object:getpos()
+	local yaw = self.yaw
+
+	-- when lifetimer expires remove mob (except npc and tamed)
+	if self.type ~= "npc"
+	and not self.tamed
+	and self.state ~= "attack"
+	and remove_far ~= true
+	and self.lifetimer < 20000 then
+
+		self.lifetimer = self.lifetimer - dtime
+
+		if self.lifetimer <= 0 then
+
+			-- only despawn away from player
+			local objs = minetest.get_objects_inside_radius(pos, 15)
+
+			for n = 1, #objs do
+
+				if objs[n]:is_player() then
+
+					self.lifetimer = 20
+
+					return
+				end
+			end
+
+--			minetest.log("action",
+--				S("lifetimer expired, removed @1", self.name))
+
+			effect(pos, 15, "tnt_smoke.png", 2, 4, 2, 0)
+
+			self.object:remove()
+
+			return
+		end
+	end
+
+	falling(self, pos)
+
+	-- knockback timer
+	if self.pause_timer > 0 then
+
+		self.pause_timer = self.pause_timer - dtime
+
+		if self.pause_timer < 1 then
+			self.pause_timer = 0
+		end
+
+		return
+	end
+
+	-- run custom function (defined in mob lua file)
+	if self.do_custom then
+
+		-- when false skip going any further
+		if self.do_custom(self, dtime) == false then
+			return
+		end
+	end
+
+	-- attack timer
+	self.timer = self.timer + dtime
+
+	if self.state ~= "attack" then
+
+		if self.timer < 1 then
+			return
+		end
+
+		self.timer = 0
+	end
+
+	-- never go over 100
+	if self.timer > 100 then
+		self.timer = 1
+	end
+
+	-- node replace check (cow eats grass etc.)
+	replace(self, pos)
+
+	-- mob plays random sound at times
+	if random(1, 100) == 1 then
+		mob_sound(self, self.sounds.random)
+	end
+
+	-- environmental damage timer (every 1 second)
+	self.env_damage_timer = self.env_damage_timer + dtime
+
+	if (self.state == "attack" and self.env_damage_timer > 1)
+	or self.state ~= "attack" then
+
+		self.env_damage_timer = 0
+
+		do_env_damage(self)
+	end
+
+	monster_attack(self)
+
+	npc_attack(self)
+
+	breed(self)
+
+	follow_flop(self)
+
+	do_states(self, dtime)
+
+end
+
+
+-- default function when mobs are blown up with TNT
+local do_tnt = function(obj, damage)
+
+	--print ("----- Damage", damage)
+
+	obj.object:punch(obj.object, 1.0, {
+		full_punch_interval = 1.0,
+		damage_groups = {fleshy = damage},
+	}, nil)
+
+	return false, true, {}
+end
+
+
+mobs.spawning_mobs = {}
+
+-- register mob function
+function mobs:register_mob(name, def)
+
+	mobs.spawning_mobs[name] = true
+
+minetest.register_entity(name, {
+
+automatic_face_movement_dir = def.rotate and math.rad(def.rotate) or false,
+automatic_face_movement_max_rotation_per_sec = -1,
+
+	stepheight = def.stepheight or 0.6,
+	name = name,
+	type = def.type,
+	attack_type = def.attack_type,
+	fly = def.fly,
+	fly_in = def.fly_in or "air",
+	owner = def.owner or "",
+	order = def.order or "",
+	on_die = def.on_die,
+	do_custom = def.do_custom,
+	jump_height = def.jump_height or 6,
+	jump_chance = def.jump_chance or 0,
+	drawtype = def.drawtype, -- DEPRECATED, use rotate instead
+	rotate = math.rad(def.rotate or 0), --  0=front, 90=side, 180=back, 270=side2
+	lifetimer = def.lifetimer or 180, -- 3 minutes
+	hp_min = max(1, (def.hp_min or 5) * difficulty),
+	hp_max = max(1, (def.hp_max or 10) * difficulty),
+	physical = true,
+	collisionbox = def.collisionbox,
+	visual = def.visual,
+	visual_size = def.visual_size or {x = 1, y = 1},
+	mesh = def.mesh,
+	makes_footstep_sound = def.makes_footstep_sound or false,
+	view_range = def.view_range or 5,
+	walk_velocity = def.walk_velocity or 1,
+	run_velocity = def.run_velocity or 2,
+	damage = max(1, (def.damage or 0) * difficulty),
+	light_damage = def.light_damage or 0,
+	water_damage = def.water_damage or 0,
+	lava_damage = def.lava_damage or 0,
+	fall_damage = def.fall_damage or 1,
+	fall_speed = def.fall_speed or -10, -- must be lower than -2 (default: -10)
+	drops = def.drops or {},
+	armor = def.armor or 100,
+	on_rightclick = def.on_rightclick,
+	arrow = def.arrow,
+	shoot_interval = def.shoot_interval,
+	sounds = def.sounds or {},
+	animation = def.animation,
+	follow = def.follow,
+	jump = def.jump or true,
+	walk_chance = def.walk_chance or 50,
+	attacks_monsters = def.attacks_monsters or false,
+	group_attack = def.group_attack or false,
+	passive = def.passive or false,
+	recovery_time = def.recovery_time or 0.5,
+	knock_back = def.knock_back or 3,
+	blood_amount = def.blood_amount or 5,
+	blood_texture = def.blood_texture or "mobs_blood.png",
+	shoot_offset = def.shoot_offset or 0,
+	floats = def.floats or 1, -- floats in water by default
+	replace_rate = def.replace_rate,
+	replace_what = def.replace_what,
+	replace_with = def.replace_with,
+	replace_offset = def.replace_offset or 0,
+	timer = 0,
+	env_damage_timer = 0, -- only used when state = "attack"
+	tamed = false,
+	pause_timer = 0,
+	horny = false,
+	hornytimer = 0,
+	child = false,
+	gotten = false,
+	health = 0,
+	reach = def.reach or 3,
+	htimer = 0,
+	texture_list = def.textures,
+	child_texture = def.child_texture,
+	docile_by_day = def.docile_by_day or false,
+	time_of_day = 0.5,
+	fear_height = def.fear_height or 0,
+	runaway = def.runaway,
+	runaway_timer = 0,
+	pathfinding = def.pathfinding,
+	immune_to = def.immune_to or {},
+	explosion_radius = def.explosion_radius,
+	custom_attack = def.custom_attack,
+	double_melee_attack = def.double_melee_attack,
+	dogshoot_switch = def.dogshoot_switch,
+	dogshoot_count = 0,
+	dogshoot_count_max = def.dogshoot_count_max or 5,
+	attack_animals = def.attack_animals or false,
+	specific_attack = def.specific_attack,
+
+	on_blast = def.on_blast or do_tnt,
+
+	on_step = mob_step,
+
+	on_punch = mob_punch,
+
+	on_activate = function(self, staticdata, dtime_s)
+		mob_activate(self, staticdata, dtime_s, def)
+	end,
+
+	get_staticdata = function(self)
+
+		-- remove mob when out of range unless tamed
+		if remove_far
+		and self.remove_ok
+		and not self.tamed
+		and self.lifetimer < 20000 then
+
+			--print ("REMOVED " .. self.name)
+
+			self.object:remove()
+
+			return nil
+		end
+
+		self.remove_ok = true
+		self.attack = nil
+		self.following = nil
+		self.state = "stand"
+
+		-- used to rotate older mobs
+		if self.drawtype
+		and self.drawtype == "side" then
+			self.rotate = math.rad(90)
+		end
+
+		local tmp = {}
+
+		for _,stat in pairs(self) do
+
+			local t = type(stat)
+
+			if  t ~= 'function'
+			and t ~= 'nil'
+			and t ~= 'userdata' then
+				tmp[_] = self[_]
+			end
+		end
+
+		-- print('===== '..self.name..'\n'.. dump(tmp)..'\n=====\n')
+		return minetest.serialize(tmp)
+	end,
+
+})
+
+end -- END mobs:register_mob function
+
+
+-- count how many mobs of one type are inside an area
+local count_mobs = function(pos, type)
+
+	local num = 0
+	local objs = minetest.get_objects_inside_radius(pos, aoc_range)
+
+	for n = 1, #objs do
+
+		if not objs[n]:is_player() then
+
+			local obj = objs[n]:get_luaentity()
+
+			if obj and obj.name and obj.name == type then -- mob type count
+			--if obj and obj.name and obj.health ~= nil then -- all mob count
+				num = num + 1
+			end
+		end
+	end
+
+	return num
+end
+
+
+-- global functions
+
+function mobs:spawn_specific(name, nodes, neighbors, min_light, max_light,
+	interval, chance, aoc, min_height, max_height, day_toggle, on_spawn)
+
+	-- chance/spawn number override in minetest.conf for registered mob
+	local numbers = minetest.setting_get(name)
+
+	if numbers then
+		numbers = numbers:split(",")
+		chance = tonumber(numbers[1]) or chance
+		aoc = tonumber(numbers[2]) or aoc
+
+		if chance == 0 then
+			print(S("[Mobs Redo] @1 has spawning disabled", name))
+			return
+		end
+
+		print (S("[Mobs Redo] Chance setting for @1 changed to @2", name, chance)
+			.. " (total: " .. aoc .. ")")
+
+	end
+
+	minetest.register_abm({
+
+		label = name .. " spawning",
+		nodenames = nodes,
+		neighbors = neighbors,
+		interval = interval,
+		chance = chance,
+		catch_up = false,
+
+		action = function(pos, node, active_object_count, active_object_count_wider)
+
+			-- is mob actually registered?
+			if not mobs.spawning_mobs[name] then
+--print ("--- mob doesn't exist", name)
+				return
+			end
+
+			-- do not spawn if too many of same mob in area
+			if active_object_count_wider >= aoc
+			and count_mobs(pos, name) >= aoc then
+--print ("--- too many entities", name, aoc)
+				return
+			end
+
+			-- if toggle set to nil then ignore day/night check
+			if day_toggle ~= nil then
+
+				local tod = (minetest.get_timeofday() or 0) * 24000
+
+				if tod > 4500 and tod < 19500 then
+					-- daylight, but mob wants night
+					if day_toggle == false then
+--print ("--- mob needs night", name)
+						return
+					end
+				else
+					-- night time but mob wants day
+					if day_toggle == true then
+--print ("--- mob needs day", name)
+						return
+					end
+				end
+			end
+
+			-- spawn above node
+			pos.y = pos.y + 1
+
+			-- only spawn away from player
+			local objs = minetest.get_objects_inside_radius(pos, 10)
+
+			for n = 1, #objs do
+
+				if objs[n]:is_player() then
+--print ("--- player too close", name)
+					return
+				end
+			end
+
+			-- mobs cannot spawn in protected areas when enabled
+			if spawn_protected == 1
+			and minetest.is_protected(pos, "") then
+--print ("--- inside protected area", name)
+				return
+			end
+
+			-- are we spawning within height limits?
+			if pos.y > max_height
+			or pos.y < min_height then
+--print ("--- height limits not met", name, pos.y)
+				return
+			end
+
+			-- are light levels ok?
+			local light = minetest.get_node_light(pos)
+			if not light
+			or light > max_light
+			or light < min_light then
+--print ("--- light limits not met", name, light)
+				return
+			end
+
+			-- are we spawning inside solid nodes?
+			if minetest.registered_nodes[node_ok(pos).name].walkable == true then
+--print ("--- feet in block", name, node_ok(pos).name)
+				return
+			end
+
+			pos.y = pos.y + 1
+
+			if minetest.registered_nodes[node_ok(pos).name].walkable == true then
+--print ("--- head in block", name, node_ok(pos).name)
+				return
+			end
+
+			-- spawn mob half block higher than ground
+			pos.y = pos.y - 0.5
+
+			local mob = minetest.add_entity(pos, name)
+
+			if mob and mob:get_luaentity() then
+--				print ("[mobs] Spawned " .. name .. " at "
+--				.. minetest.pos_to_string(pos) .. " on "
+--				.. node.name .. " near " .. neighbors[1])
+				if on_spawn and not on_spawn(mob, pos) then
+					return
+				end
+			else
+				print (S("[mobs] @1 failed to spawn at @2",
+				name, minetest.pos_to_string(pos)))
+			end
+
+		end
+	})
+end
+
+
+-- compatibility with older mob registration
+function mobs:register_spawn(name, nodes, max_light, min_light, chance, active_object_count, max_height, day_toggle)
+
+	mobs:spawn_specific(name, nodes, {"air"}, min_light, max_light, 30,
+		chance, active_object_count, -31000, max_height, day_toggle)
+end
+
+
+-- MarkBu's spawn function
+function mobs:spawn(def)
+
+	local name = def.name
+	local nodes = def.nodes or {"group:soil", "group:stone"}
+	local neighbors = def.neighbors or {"air"}
+	local min_light = def.min_light or 0
+	local max_light = def.max_light or 15
+	local interval = def.interval or 30
+	local chance = def.chance or 5000
+	local active_object_count = def.active_object_count or 1
+	local min_height = def.min_height or -31000
+	local max_height = def.max_height or 31000
+	local day_toggle = def.day_toggle
+	local on_spawn = def.on_spawn
+
+	mobs:spawn_specific(name, nodes, neighbors, min_light, max_light, interval,
+		chance, active_object_count, min_height, max_height, day_toggle, on_spawn)
+end
+
+
+-- set content id's
+local c_air = minetest.get_content_id("air")
+local c_ignore = minetest.get_content_id("ignore")
+local c_obsidian = minetest.get_content_id("default:obsidian")
+local c_brick = minetest.get_content_id("default:obsidianbrick")
+local c_chest = minetest.get_content_id("default:chest_locked")
+local c_fire = minetest.get_content_id("fire:basic_flame")
+
+-- explosion (cannot break protected or unbreakable nodes)
+function mobs:explosion(pos, radius, fire, smoke, sound)
+
+	radius = radius or 0
+	fire = fire or 0
+	smoke = smoke or 0
+
+	-- if area protected or near map limits then no blast damage
+	if minetest.is_protected(pos, "")
+	or not within_limits(pos, radius) then
+		return
+	end
+
+	-- explosion sound
+	if sound
+	and sound ~= "" then
+
+		minetest.sound_play(sound, {
+			pos = pos,
+			gain = 1.0,
+			max_hear_distance = 16
+		})
+	end
+
+	pos = vector.round(pos) -- voxelmanip doesn't work properly unless pos is rounded ?!?!
+
+	local vm = VoxelManip()
+	local minp, maxp = vm:read_from_map(vector.subtract(pos, radius), vector.add(pos, radius))
+	local a = VoxelArea:new({MinEdge = minp, MaxEdge = maxp})
+	local data = vm:get_data()
+	local p = {}
+	local pr = PseudoRandom(os.time())
+
+	for z = -radius, radius do
+	for y = -radius, radius do
+	local vi = a:index(pos.x + (-radius), pos.y + y, pos.z + z)
+	for x = -radius, radius do
+
+		p.x = pos.x + x
+		p.y = pos.y + y
+		p.z = pos.z + z
+
+		if (x * x) + (y * y) + (z * z) <= (radius * radius) + pr:next(-radius, radius)
+		and data[vi] ~= c_air
+		and data[vi] ~= c_ignore
+		and data[vi] ~= c_obsidian
+		and data[vi] ~= c_brick
+		and data[vi] ~= c_chest
+		and data[vi] ~= c_fire then
+
+			local n = node_ok(p).name
+			local on_blast = minetest.registered_nodes[n].on_blast
+
+			if on_blast then
+
+				return on_blast(p)
+
+			elseif minetest.registered_nodes[n].groups.unbreakable == 1 then
+
+				-- do nothing
+			else
+
+				-- after effects
+				if fire > 0
+				and (minetest.registered_nodes[n].groups.flammable
+				or random(1, 100) <= 30) then
+
+					minetest.set_node(p, {name = "fire:basic_flame"})
+				else
+					minetest.set_node(p, {name = "air"})
+
+					if smoke > 0 then
+						effect(p, 2, "tnt_smoke.png")
+					end
+				end
+			end
+		end
+
+		vi = vi + 1
+
+	end
+	end
+	end
+end
+
+
+-- register arrow for shoot attack
+function mobs:register_arrow(name, def)
+
+	if not name or not def then return end -- errorcheck
+
+	minetest.register_entity(name, {
+
+		physical = false,
+		visual = def.visual,
+		visual_size = def.visual_size,
+		textures = def.textures,
+		velocity = def.velocity,
+		hit_player = def.hit_player,
+		hit_node = def.hit_node,
+		hit_mob = def.hit_mob,
+		drop = def.drop or false, -- drops arrow as registered item when true
+		collisionbox = {0, 0, 0, 0, 0, 0}, -- remove box around arrows
+		timer = 0,
+		switch = 0,
+		owner_id = def.owner_id,
+
+		on_step = def.on_step or function(self, dtime)
+
+			self.timer = self.timer + 1
+
+			local pos = self.object:getpos()
+
+			if self.switch == 0
+			or self.timer > 150
+			or not within_limits(pos, 0) then
+
+				self.object:remove() ; -- print ("removed arrow")
+
+				return
+			end
+
+			-- does arrow have a tail (fireball)
+			if def.tail
+			and def.tail == 1
+			and def.tail_texture then
+
+--				effect(pos, 1, def.tail_texture,
+--					def.tail_size or 5,
+--					def.tail_size or 10,
+--					0, 0) -- 0 radius and 0 gravity to just hover
+
+				minetest.add_particlespawner({
+					amount = 1,
+					time = 0.25,
+					minpos = pos,
+					maxpos = pos,
+					minvel = {x = 0, y = 0, z = 0},
+					maxvel = {x = 0, y = 0, z = 0},
+					minacc = {x = 0, y = 0, z = 0},
+					maxacc = {x = 0, y = 0, z = 0},
+					minexptime = 0.1,
+					maxexptime = 1,
+					minsize = def.tail_size or 5,
+					maxsize = def.tail_size or 10,
+					texture = def.tail_texture,
+				})
+			end
+
+			if self.hit_node then
+
+				local node = node_ok(pos).name
+
+				if minetest.registered_nodes[node].walkable then
+				--if node ~= "air" then
+
+					self.hit_node(self, pos, node)
+
+					if self.drop == true then
+
+						pos.y = pos.y + 1
+
+						self.lastpos = (self.lastpos or pos)
+
+						minetest.add_item(self.lastpos, self.object:get_luaentity().name)
+					end
+
+					self.object:remove() ; -- print ("hit node")
+
+					return
+				end
+			end
+
+			if self.hit_player or self.hit_mob then
+
+				for _,player in pairs(minetest.get_objects_inside_radius(pos, 1.0)) do
+
+					if self.hit_player
+					and player:is_player() then
+
+						self.hit_player(self, player)
+						self.object:remove() ; -- print ("hit player")
+						return
+					end
+
+					local entity = player:get_luaentity()
+						and player:get_luaentity().name or ""
+
+					if self.hit_mob
+					and tostring(player) ~= self.owner_id
+					and entity ~= self.object:get_luaentity().name
+					and entity ~= "__builtin:item"
+					and entity ~= "__builtin:falling_node"
+					and entity ~= "gauges:hp_bar"
+					and entity ~= "signs:text"
+					and entity ~= "itemframes:item" then
+
+						self.hit_mob(self, player)
+
+						self.object:remove() ;  --print ("hit mob")
+
+						return
+					end
+				end
+			end
+
+			self.lastpos = pos
+		end
+	})
+end
+
+
+-- Spawn Egg
+function mobs:register_egg(mob, desc, background, addegg, no_creative)
+
+	local grp = {}
+
+	-- do NOT add this egg to creative inventory (e.g. dungeon master)
+	if creative and no_creative == true then
+		grp = {not_in_creative_inventory = 1}
+	end
+
+	local invimg = background
+
+	if addegg == 1 then
+		invimg = "mobs_chicken_egg.png^(" .. invimg ..
+			"^[mask:mobs_chicken_egg_overlay.png)"
+	end
+
+	minetest.register_craftitem(mob, {
+
+		description = desc,
+		inventory_image = invimg,
+		groups = grp,
+
+		on_place = function(itemstack, placer, pointed_thing)
+
+			local pos = pointed_thing.above
+
+			if pos
+			and within_limits(pos, 0)
+			and not minetest.is_protected(pos, placer:get_player_name()) then
+
+				pos.y = pos.y + 1
+
+				local mob = minetest.add_entity(pos, mob)
+				local ent = mob:get_luaentity()
+
+				if not ent then
+					mob:remove()
+					return
+				end
+
+				if ent.type ~= "monster" then
+					-- set owner and tame if not monster
+					ent.owner = placer:get_player_name()
+					ent.tamed = true
+				end
+
+				-- if not in creative then take item
+				if not creative then
+					itemstack:take_item()
+				end
+			end
+
+			return itemstack
+		end,
+	})
+end
+
+
+-- capture critter (thanks to blert2112 for idea)
+function mobs:capture_mob(self, clicker, chance_hand, chance_net, chance_lasso, force_take, replacewith)
+
+	if not self.child
+	and clicker:is_player()
+	and clicker:get_inventory() then
+
+		-- get name of clicked mob
+		local mobname = self.name
+
+		-- if not nil change what will be added to inventory
+		if replacewith then
+			mobname = replacewith
+		end
+
+		local name = clicker:get_player_name()
+
+		-- is mob tamed?
+		if self.tamed == false
+		and force_take == false then
+
+			minetest.chat_send_player(name, S("Not tamed!"))
+
+			return
+		end
+
+		-- cannot pick up if not owner
+		if self.owner ~= name
+		and force_take == false then
+
+			minetest.chat_send_player(name, S("@1 is owner!", self.owner))
+
+			return
+		end
+
+		if clicker:get_inventory():room_for_item("main", mobname) then
+
+			-- was mob clicked with hand, net, or lasso?
+			local tool = clicker:get_wielded_item()
+			local chance = 0
+
+			if tool:is_empty() then
+				chance = chance_hand
+
+			elseif tool:get_name() == "mobs:net" then
+
+				chance = chance_net
+
+				tool:add_wear(4000) -- 17 uses
+
+				clicker:set_wielded_item(tool)
+
+			elseif tool:get_name() == "mobs:magic_lasso" then
+
+				chance = chance_lasso
+
+				tool:add_wear(650) -- 100 uses
+
+				clicker:set_wielded_item(tool)
+			end
+
+			-- return if no chance
+			if chance == 0 then return end
+
+			-- calculate chance.. add to inventory if successful?
+			if random(1, 100) <= chance then
+
+				clicker:get_inventory():add_item("main", mobname)
+
+				self.object:remove()
+			else
+				minetest.chat_send_player(name, S("Missed!"))
+			end
+		end
+	end
+end
+
+
+-- protect tamed mob with rune iten
+function mobs:protect(self, clicker)
+
+	local name = clicker:get_player_name()
+
+	if self.tamed == false then
+		minetest.chat_send_player(name, S("Not tamed!"))
+		return false
+	end
+
+	local tool = clicker:get_wielded_item()
+
+	if tool:get_name() == "mobs:protector" then
+
+		tool:take_item() -- take 1 protection rune
+		clicker:set_wielded_item(tool)
+
+		self.protected = true
+		minetest.chat_send_player(name, S("Protected!"))
+
+		return true
+	end
+
+	return false
+end
+
+
+local mob_obj = {}
+local mob_sta = {}
+
+-- feeding, taming and breeding (thanks blert2112)
+function mobs:feed_tame(self, clicker, feed_count, breed, tame)
+
+	if not self.follow then
+		return false
+	end
+
+	-- can eat/tame with item in hand
+	if follow_holding(self, clicker) then
+
+		-- if not in creative then take item
+		if not creative then
+
+			local item = clicker:get_wielded_item()
+
+			item:take_item()
+
+			clicker:set_wielded_item(item)
+		end
+
+		-- increase health
+		self.health = self.health + 4
+
+		if self.health >= self.hp_max then
+
+			self.health = self.hp_max
+
+			if self.htimer < 1 then
+
+				minetest.chat_send_player(clicker:get_player_name(),
+					S("@1 at full health (@2)",
+					self.name:split(":")[2], tostring(self.health)))
+
+				self.htimer = 5
+			end
+		end
+
+		self.object:set_hp(self.health)
+
+		update_tag(self)
+
+		-- make children grow quicker
+		if self.child == true then
+
+			self.hornytimer = self.hornytimer + 20
+
+			return true
+		end
+
+		-- feed and tame
+		self.food = (self.food or 0) + 1
+		if self.food >= feed_count then
+
+			self.food = 0
+
+			if breed and self.hornytimer == 0 then
+				self.horny = true
+			end
+
+			self.gotten = false
+
+			if tame then
+
+				if self.tamed == false then
+					minetest.chat_send_player(clicker:get_player_name(),
+						S("@1 has been tamed!",
+						self.name:split(":")[2]))
+				end
+
+				self.tamed = true
+
+				if not self.owner or self.owner == "" then
+					self.owner = clicker:get_player_name()
+				end
+			end
+
+			-- make sound when fed so many times
+			mob_sound(self, self.sounds.random)
+		end
+
+		return true
+	end
+
+	local item = clicker:get_wielded_item()
+
+	-- if mob has been tamed you can name it with a nametag
+	if item:get_name() == "mobs:nametag"
+	and clicker:get_player_name() == self.owner then
+
+		local name = clicker:get_player_name()
+
+		-- store mob and nametag stack in external variables
+		mob_obj[name] = self
+		mob_sta[name] = item
+
+		local tag = self.nametag or ""
+
+		minetest.show_formspec(name, "mobs_nametag", "size[8,4]"
+			.. default.gui_bg
+			.. default.gui_bg_img
+			.. "field[0.5,1;7.5,0;name;" .. S("Enter name:") .. ";" .. tag .. "]"
+			.. "button_exit[2.5,3.5;3,1;mob_rename;" .. S("Rename") .. "]")
+
+	end
+
+	return false
+
+end
+
+
+-- inspired by blockmen's nametag mod
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+
+	-- right-clicked with nametag and name entered?
+	if formname == "mobs_nametag"
+	and fields.name
+	and fields.name ~= "" then
+
+		local name = player:get_player_name()
+
+		if not mob_obj[name]
+		or not mob_obj[name].object then
+			return
+		end
+
+		-- update nametag
+		mob_obj[name].nametag = fields.name
+
+		update_tag(mob_obj[name])
+
+		-- if not in creative then take item
+		if not creative then
+
+			mob_sta[name]:take_item()
+
+			player:set_wielded_item(mob_sta[name])
+		end
+
+		-- reset external variables
+		mob_obj[name] = nil
+		mob_sta[name] = nil
+
+	end
+end)
+
+
+-- compatibility function for old entities to new modpack entities
+function mobs:alias_mob(old_name, new_name)
+
+	-- spawn egg
+	minetest.register_alias(old_name, new_name)
+
+	-- entity
+	minetest.register_entity(":" .. old_name, {
+
+		physical = false,
+
+		on_step = function(self)
+
+			local pos = self.object:getpos()
+
+			minetest.add_entity(pos, new_name)
+
+			self.object:remove()
+		end
+	})
+end