Tweak mob death particles

mods/ENTITIES/mcl_mobs/api.lua

@@ -495,6 +495,31 @@ local damage_effect = function(self, damage)
 	end
 end
 
+mobs.death_effect = function(pos, collisionbox)
+	local min, max
+	if collisionbox then
+		min = {x=collisionbox[1], y=collisionbox[2], z=collisionbox[3]}
+		max = {x=collisionbox[4], y=collisionbox[5], z=collisionbox[6]}
+	else
+		min = { x = -0.5, y = 0, z = -0.5 }
+		max = { x = 0.5, y = 0.5, z = 0.5 }
+	end
+
+	minetest.add_particlespawner({
+		amount = 40,
+		time = 0.1,
+		minpos = vector.add(pos, min),
+		maxpos = vector.add(pos, max),
+		minvel = {x = -0.2, y = -0.1, z = -0.2},
+		maxvel = {x = 0.2, y = 0.1, z = 0.2},
+		minexptime = 0.5,
+		maxexptime = 1.5,
+		minsize = 0.5,
+		maxsize = 1.5,
+		texture = "tnt_smoke.png",
+	})
+end
+
 local update_tag = function(self)
 	self.object:set_properties({
 		nametag = self.nametag,
@@ -629,6 +654,11 @@ local check_for_death = function(self, cause, cmi_cause)
 		return true
 	end
 
+	local collisionbox
+	if self.collisionbox then
+		collisionbox = table.copy(self.collisionbox)
+	end
+
 	-- default death function and die animation (if defined)
 	if self.animation
 	and self.animation.die_start
@@ -656,6 +686,7 @@ local check_for_death = function(self, cause, cmi_cause)
 			end
 
 			self.object:remove()
+			mobs.death_effect(pos)
 		end, self)
 	else
 
@@ -664,10 +695,9 @@ local check_for_death = function(self, cause, cmi_cause)
 		end
 
 		self.object:remove()
+		mobs.death_effect(pos, collisionbox)
 	end
 
-	effect(pos, 20, "tnt_smoke.png")
-
 	return true
 end
 

mods/ENTITIES/mcl_mobs/api.txt

@@ -283,7 +283,9 @@ Along with the above mob registry settings we can also use custom functions to
 enhance mob functionality and have them do many interesting things:
 
    'on_die'         a function that is called when the mob is killed the
-                    parameters are (self, pos)
+                    parameters are (self, pos). When this function is used,
+                    the death particles will be skipped on death. You can get
+                    them back by calling mobs:death_effect manually
    'on_rightclick'  its same as in minetest.register_entity()
    'on_blast'       is called when an explosion happens near mob when using TNT
                     functions, parameters are (object, damage) and returns
@@ -410,6 +412,10 @@ This function spawns a mob as a child. The parameter mob_type is the
 entitystring of the new mob.
 This function returns the mob on success and nil otherwise.
 
+mobs:death_effect(pos, collisionbox)
+
+Create death particles at pos with the given collisionbox.
+
 
 Making Arrows
 -------------

mods/ENTITIES/mobs_mc/creeper.lua

@@ -81,6 +81,7 @@ mobs:register_mob("mobs_mc:creeper", {
 			local r = math.random(1, #mobs_mc.items.music_discs)
 			minetest.add_item({x=pos.x, y=pos.y+1, z=pos.z}, mobs_mc.items.music_discs[r])
 		end
+		mobs.death_effect(pos, self.collisionbox)
 	end,
 	maxdrops = 2,
 	drops = {

mods/ENTITIES/mobs_mc/enderman.lua

@@ -267,8 +267,8 @@ mobs:register_mob("mobs_mc:enderman", {
 				self.state = ""
 			else
 				if self.attack then
-					target = self.attack
-					pos = target:get_pos()
+					local target = self.attack
+					local pos = target:get_pos()
 					if pos ~= nil then
 						if vector.distance(self.object:get_pos(), target:get_pos()) > 10 then
 							self:teleport(target)
@@ -507,6 +507,7 @@ mobs:register_mob("mobs_mc:enderman", {
 		if self._taken_node ~= nil and self._taken_node ~= "" then
 			minetest.add_item(pos, self._taken_node)
 		end
+		mobs.death_effect(pos, self.collisionbox)
 	end,
 	do_punch = function(self, hitter, tflp, tool_caps, dir)
 		-- damage from rain caused by itself so we don't want it to attack itself.

mods/ENTITIES/mobs_mc/horse.lua

@@ -175,6 +175,8 @@ local horse = {
 			mobs.detach(self.driver, {x = 1, y = 0, z = 1})
 		end
 
+		mobs.death_effect(pos, self.collisionbox)
+
 	end,
 
 	on_rightclick = function(self, clicker)

mods/ENTITIES/mobs_mc/llama.lua

@@ -111,6 +111,7 @@ mobs:register_mob("mobs_mc:llama", {
 		if self.driver then
 			mobs.detach(self.driver, {x = 1, y = 0, z = 1})
 		end
+		mobs.death_effect(pos, self.collisionbox)
 
 	end,
 

mods/ENTITIES/mobs_mc/pig.lua

@@ -79,7 +79,7 @@ mobs:register_mob("mobs_mc:pig", {
 		if self.driver then
 			mobs.detach(self.driver, {x = 1, y = 0, z = 1})
 		end
-
+		mobs.death_effect(pos, self.collisionbox)
 	end,
 
 	on_rightclick = function(self, clicker)

mods/ENTITIES/mobs_mc/snowman.lua

@@ -128,6 +128,26 @@ mobs:register_mob("mobs_mc:snowman", {
 	end,
 })
 
+local summon_particles = function(obj)
+	local lua = obj:get_luaentity()
+	local min = {x=lua.collisionbox[1], y=lua.collisionbox[2], z=lua.collisionbox[3]}
+	local max = {x=lua.collisionbox[4], y=lua.collisionbox[5], z=lua.collisionbox[6]}
+	local pos = obj:get_pos()
+	minetest.add_particlespawner({
+		amount = 60,
+		time = 0.1,
+		minpos = vector.add(pos, min),
+		maxpos = vector.add(pos, max),
+		minvel = {x = -0.1, y = -0.1, z = -0.1},
+		maxvel = {x = 0.1, y = 0.1, z = 0.1},
+		minexptime = 1.0,
+		maxexptime = 2.0,
+		minsize = 2.0,
+		maxsize = 3.0,
+		texture = "tnt_smoke.png",
+	})
+end
+
 -- This is to be called when a pumpkin or jack'o lantern has been placed. Recommended: In the on_construct function
 -- of the node.
 -- This summons a snow golen when pos is next to a row of two snow blocks.
@@ -157,7 +177,10 @@ mobs_mc.tools.check_snow_golem_summon = function(pos)
 			core.check_for_falling(pos)
 			core.check_for_falling(b1)
 			core.check_for_falling(b2)
-			minetest.add_entity(place, "mobs_mc:snowman")
+			local obj = minetest.add_entity(place, "mobs_mc:snowman")
+			if obj then
+				summon_particles(obj)
+			end
 			break
 		end
 	end

mods/ENTITIES/mobs_mc/villager.lua

@@ -1053,6 +1053,7 @@ mobs:register_mob("mobs_mc:villager", {
 				return_fields(player)
 			end
 		end
+		mobs.death_effect(pos, self.collisionbox)
 	end,
 })