Implement mcl_util.remove_entity() and convert projectile code to use it

mods/CORE/mcl_util/init.lua

@@ -731,3 +731,12 @@ function mcl_util.get_entity_id(entity)
 		return id
 	end
 end
+function mcl_util.remove_entity(luaentity)
+	if luaentity._removed then return end
+	luaentity._removed = true
+
+	local hook = luaentity._on_remove
+	if hook then hook(luaentity) end
+
+	luaentity.object:remove()
+end

mods/ENTITIES/mcl_mobs/init.lua

@@ -434,14 +434,12 @@ function mcl_mobs.register_arrow(name, def)
 					minetest.add_item(self.lastpos, self.object:get_luaentity().name)
 				end
 
-				self._removed = true
-				self.object:remove();
+				mcl_util.remove_entity(self)
 			end,
 			on_collide_with_entity = function(self, pos, object)
 				if self.hit_player and object:is_player() then
 					self.hit_player(self, object)
-					self._removed = true
-					self.object:remove()
+					mcl_util.remove_entity(self)
 					return
 				end
 
@@ -451,13 +449,11 @@ function mcl_mobs.register_arrow(name, def)
 
 				if self.hit_mob and entity.is_mob == true then
 					self.hit_mob(self, object)
-					self._removed = true
-					self.object:remove()
+					mcl_util.remove_entity(self)
 					return
 				elseif self.hit_object then
 					self.hit_object(self, object)
-					self._removed = true
-					self.object:remove()
+					mcl_util.remove_entity(self)
 					return
 				end
 			end
@@ -481,8 +477,7 @@ function mcl_mobs.register_arrow(name, def)
 
 			if self.switch == 0 or self.timer > self._lifetime or not within_limits(pos, 0) then
 				mcl_burning.extinguish(self.object)
-				self._removed = true
-				self.object:remove();
+				mcl_util.remove_entity(self)
 				return
 			end
 

mods/ENTITIES/mobs_mc/wither.lua

@@ -201,8 +201,7 @@ mcl_mobs.register_mob("mobs_mc:wither", {
 					self._death_timer = self._death_timer + self.health - self._health_old
 					if self.health == self._health_old then self._death_timer = self._death_timer + dtime end
 					if self._death_timer > 100 then
-						self._removed = true
-						self.object:remove()
+						mcl_util.remove_entity(self)
 						return false
 					end
 					self._health_old = self.health

mods/ITEMS/mcl_bows/arrow.lua

@@ -138,8 +138,7 @@ local arrow_entity = {
 
 			-- Because arrows are flagged to survive collisions to allow sticking into blocks, manually remove it now that it
 			-- has collided with an entity
-			self._removed = true
-			self.object:remove()
+			mcl_util.remove_entity(self)
 		end
 	},
 
@@ -186,8 +185,7 @@ local arrow_entity = {
 		end
 
 		if data.stuckin_player then
-			self._removed = true
-			self.object:remove()
+			mcl_util.remove_entity(self)
 		end
 	end,
 }
@@ -201,7 +199,7 @@ minetest.register_on_respawnplayer(function(player)
 	for _, obj in pairs(player:get_children()) do
 		local ent = obj:get_luaentity()
 		if ent and ent.name and string.find(ent.name, "mcl_bows:arrow_entity") then
-			obj:remove()
+			mcl_util.remove_entity(self)
 		end
 	end
 end)

mods/ITEMS/mcl_bows/rocket.lua

@@ -241,7 +241,7 @@ minetest.register_craftitem("mcl_bows:rocket", {
 			local eploded_particle = particle_explosion(pos)
 			damage_explosion(self, eploded_particle * 17, pos)
 			mcl_burning.extinguish(self.object)
-			self.object:remove()
+			mcl_util.remove_entity(self)
 		end
 	end,
 })
@@ -268,7 +268,7 @@ rocket_entity.on_step = function(self, dtime)
 		local eploded_particle = particle_explosion(self)
 		damage_explosion(self, eploded_particle * 17)
 		mcl_burning.extinguish(self.object)
-		self.object:remove()
+		mcl_util.remove_entity(self)
 		return
 	end
 

mods/ITEMS/mcl_fishing/init.lua

@@ -331,8 +331,7 @@ vl_projectile.register("mcl_fishing:flying_bobber_entity", {
 		on_collide_with_solid = function(self, pos, node)
 			local player = self._owner
 
-			self._remove = true
-			self.object:remove()
+			mcl_util.remove_entity(self)
 
 			-- Make sure the player field is valid for when we create the floating bobber
 			if not player then return end

mods/ITEMS/vl_projectile/init.lua

@@ -82,8 +82,7 @@ function mod.update_projectile(self, dtime)
 	self.timer = (self.timer or 0) + dtime
 	local maximum_flight_time = entity_vl_projectile.maximum_time or 300
 	if (self.timer or 0) > maximum_flight_time then
-		self.removed = true
-		self.object:remove()
+		mcl_util.remove_entity(self)
 		return
 	end
 
@@ -155,10 +154,7 @@ local function handle_player_sticking(self, entity_def, projectile_def, entity)
 	if self._in_player or self._blocked then return end
 	if not projectile_def.sticks_in_players then return end
 
-	minetest.after(150, function()
-		self._removed = true
-		self.object:remove()
-	end)
+	minetest.after(150, function() mcl_util.remove_entity(self) end)
 
 	-- Handle blocking projectiles
 	if mcl_shields.is_blocking(entity) then
@@ -256,15 +252,14 @@ function mod.replace_with_item_drop(self, pos, projectile_def)
 		item = projectile_def.item
 	end
 
-	if self._collectable and not minetest.is_creative_enabled("") then
+	if item and self._collectable and not minetest.is_creative_enabled("") then
 		local item = minetest.add_item(pos, item)
 		item:set_velocity(vector.zero())
 		item:set_yaw(self.object:get_yaw())
 	end
 
 	mcl_burning.extinguish(self.object)
-	self._removed = true
-	self.object:remove()
+	mcl_util.remove_entity(self)
 end
 
 local function stuck_on_step(self, dtime, entity_def, projectile_def)
@@ -275,8 +270,7 @@ local function stuck_on_step(self, dtime, entity_def, projectile_def)
 	self._stucktimer = (self._stucktimer or 0) + dtime
 	if self._stucktimer > STUCK_TIMEOUT then
 		mcl_burning.extinguish(self.object)
-		self._removed = true
-		self.object:remove()
+		mcl_util.remove_entity(self)
 		return true
 	end
 
@@ -314,7 +308,7 @@ local function stuck_on_step(self, dtime, entity_def, projectile_def)
 				end
 			end
 			mcl_burning.extinguish(self.object)
-			self.object:remove()
+			mcl_util.remove_entity(self)
 			return
 		end
 
@@ -441,8 +435,7 @@ function mod.collides_with_solids(self, dtime, entity_def, projectile_def)
 		survive_collision = survive_collision(self, entity_def, projectile_def, "node", node, node_def)
 	end
 	if not survive_collision then
-		self._removed = true
-		self.object:remove()
+		mcl_util.remove_entity(self)
 	end
 
 	-- Done with behaviors
@@ -532,8 +525,8 @@ local function handle_entity_collision(self, entity_def, projectile_def, object)
 		survive_collision = survive_collision(self, entity_def, projectile_def, "entity", object)
 	end
 	if not survive_collision then
-		self._removed = true
-		self.object:remove()
+		minetest.log("removing projectile that collided with entity")
+		mcl_util.remove_entity(self)
 	end
 
 	return true