Redo the death effect

mods/ENTITIES/mcl_mobs/api.lua

@@ -9,6 +9,7 @@ local MAX_MOB_NAME_LENGTH = 30
 local HORNY_TIME = 30
 local HORNY_AGAIN_TIME = 300
 local CHILD_GROW_TIME = 60*20
+local DEATH_DELAY = 0.5
 
 local MOB_CAP = {}
 MOB_CAP.hostile = 70
@@ -334,7 +335,7 @@ local remove_texture_mod = function(self, mod)
 end
 
 -- set defined animation
-local set_animation = function(self, anim)
+local set_animation = function(self, anim, fixed_frame)
 
 	if not self.animation
 	or not anim then return end
@@ -349,9 +350,17 @@ local set_animation = function(self, anim)
 
 	self.animation.current = anim
 
+	local a_start = self.animation[anim .. "_start"]
+	local a_end
+	if fixed_frame then
+		a_end = a_start
+	else
+		a_end = self.animation[anim .. "_end"]
+	end
+
 	self.object:set_animation({
-		x = self.animation[anim .. "_start"],
-		y = self.animation[anim .. "_end"]},
+		x = a_start,
+		y = a_end},
 		self.animation[anim .. "_speed"] or self.animation.speed_normal or 15,
 		0, self.animation[anim .. "_loop"] ~= false)
 end
@@ -669,6 +678,10 @@ end
 -- check if mob is dead or only hurt
 local check_for_death = function(self, cause, cmi_cause)
 
+	if self.state == "die" then
+		return true
+	end
+
 	-- has health actually changed?
 	if self.health == self.old_health and self.health > 0 then
 		return false
@@ -713,6 +726,9 @@ local check_for_death = function(self, cause, cmi_cause)
 		return false
 	end
 
+	mob_sound(self, "death")
+
+	local function death_handle(self)
 		-- dropped cooked item if mob died in fire or lava
 		if cause == "lava" or cause == "fire" then
 			item_drop(self, true)
@@ -720,33 +736,37 @@ local check_for_death = function(self, cause, cmi_cause)
 			item_drop(self, nil)
 		end
 
-	mob_sound(self, "death")
-
 		local pos = self.object:get_pos()
 
 		if mod_experience and self.hp_min and self.hp_max then
 			mcl_experience.throw_experience(pos, math.ceil( math.random(self.hp_min,self.hp_max+5) / 5) )
 		end
+	end
 
 	-- execute custom death function
 	if self.on_die then
 
-		self.on_die(self, pos)
+		death_handle(self)
+
+		local pos = self.object:get_pos()
+		local on_die_exit = self.on_die(self, pos)
 
 		if use_cmi then
 			cmi.notify_die(self.object, cmi_cause)
 		end
 
+		if on_die_exit == true then
 			self.object:remove()
-
 			return true
 		end
+	end
 
 	local collisionbox
 	if self.collisionbox then
 		collisionbox = table.copy(self.collisionbox)
 	end
 
+	local length = 0
 	-- default death function and die animation (if defined)
 	if self.animation
 	and self.animation.die_start
@@ -754,7 +774,15 @@ local check_for_death = function(self, cause, cmi_cause)
 
 		local frames = self.animation.die_end - self.animation.die_start
 		local speed = self.animation.die_speed or 15
-		local length = max(frames / speed, 0)
+		length = max(frames / speed, 0) + DEATH_DELAY
+		set_animation(self, "die")
+	else
+		local rot = self.object:get_rotation()
+		rot.z = math.pi/2
+		self.object:set_rotation(rot)
+		length = 1 + DEATH_DELAY
+		set_animation(self, "stand", true)
+	end
 
 	self.attack = nil
 	self.v_start = false
@@ -766,7 +794,6 @@ local check_for_death = function(self, cause, cmi_cause)
 		pointable = false,
 	})
 	set_velocity(self, 0)
-		set_animation(self, "die")
 
 	minetest.after(length, function(self)
 		if not self.object:get_luaentity() then
@@ -776,18 +803,12 @@ local check_for_death = function(self, cause, cmi_cause)
 			cmi.notify_die(self.object, cmi_cause)
 		end
 
+		death_handle(self)
+		local dpos = self.object:get_pos()
 		self.object:remove()
-			mobs.death_effect(pos)
+		mobs.death_effect(dpos)
 	end, self)
-	else
 
-		if use_cmi then
-			cmi.notify_die(self.object, cmi_cause)
-		end
-
-		self.object:remove()
-		mobs.death_effect(pos, collisionbox)
-	end
 
 	return true
 end
@@ -2690,7 +2711,7 @@ end
 -- returns true if mob died
 local falling = function(self, pos)
 
-	if self.fly then
+	if self.fly and self.state ~= "die" then
 		return
 	end
 

mods/ENTITIES/mcl_mobs/api.txt

@@ -284,10 +284,9 @@ Custom Definition Functions
 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). 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_die'         a function that is called when the mob is killed; the
+                    parameters are (self, pos). Return true to skip the builtin
+                    death animation and death effects
    '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

mods/ENTITIES/mobs_mc/bat.lua

@@ -33,12 +33,10 @@ mobs:register_mob("mobs_mc:bat", {
 		run_speed = 80,
 		run_start = 0,
 		run_end = 40,
-		-- TODO: Less ugly death animation
---[[		die_speed = 60,
+		die_speed = 60,
 		die_start = 40,
 		die_end = 80,
 		die_loop = false,
-]]
 	},
 	walk_chance = 100,
 	fall_damage = 0,

mods/ENTITIES/mobs_mc/creeper.lua

@@ -81,7 +81,6 @@ 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

@@ -507,7 +507,6 @@ 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

@@ -175,8 +175,6 @@ 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

@@ -111,7 +111,6 @@ 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 +79,6 @@ 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/slime+magma_cube.lua

@@ -51,6 +51,7 @@ local spawn_children_on_die = function(child_mob, children_count, spawn_distance
 				end
 			end, children, self.attack)
 		end
+		return true
 	end
 end
 

mods/ENTITIES/mobs_mc/villager.lua

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