Add mobs:spawn_child

mods/ENTITIES/mobs/api.lua

@@ -969,52 +969,25 @@ local breed = function(self)
 
 					-- custom breed function
 					if self.on_breed then
-
 						-- when false skip going any further
 						if self.on_breed(self, ent) == false then
-								return
+							return
 						end
-					else
-						effect(pos, 15, "tnt_smoke.png", 1, 2, 2, 15, 5)
 					end
 
-					local mob = minetest.add_entity(pos, self.name)
+					local child = mobs:spawn_child(pos, self.name)
-					local ent2 = mob:get_luaentity()
+
+					local ent_c = child:get_luaentity()
+
+					-- Use parent's texture
 					local textures = self.base_texture
-
+					child:set_properties({
-					-- using specific child texture (if found)
-					if self.child_texture then
-						textures = self.child_texture[1]
-					end
-
-					-- and resize to half height
-					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,
-						},
-						selectionbox = {
-							self.base_selbox[1] * .5,
-							self.base_selbox[2] * .5,
-							self.base_selbox[3] * .5,
-							self.base_selbox[4] * .5,
-							self.base_selbox[5] * .5,
-							self.base_selbox[6] * .5,
-						},
 					})
+
 					-- tamed and owned by parents' owner
-					ent2.child = true
+					ent_c.tamed = true
-					ent2.tamed = true
+					ent_c.owner = self.owner
-					ent2.owner = self.owner
 				end)
 
 				num = 0
@@ -3907,6 +3880,52 @@ function mobs:feed_tame(self, clicker, feed_count, breed, tame)
 	return false
 end
 
+-- Spawn a child
+function mobs:spawn_child(pos, mob_type)
+	local child = minetest.add_entity(pos, mob_type)
+	if not child then
+		return
+	end
+
+	local ent = child:get_luaentity()
+	effect(pos, 15, "tnt_smoke.png", 1, 2, 2, 15, 5)
+
+	ent.child = true
+
+	local textures
+	-- using specific child texture (if found)
+	if ent.child_texture then
+		textures = ent.child_texture[1]
+	end
+
+	-- and resize to half height
+	child:set_properties({
+		textures = textures,
+		visual_size = {
+			x = ent.base_size.x * .5,
+			y = ent.base_size.y * .5,
+		},
+		collisionbox = {
+			ent.base_colbox[1] * .5,
+			ent.base_colbox[2] * .5,
+			ent.base_colbox[3] * .5,
+			ent.base_colbox[4] * .5,
+			ent.base_colbox[5] * .5,
+			ent.base_colbox[6] * .5,
+		},
+		selectionbox = {
+			ent.base_selbox[1] * .5,
+			ent.base_selbox[2] * .5,
+			ent.base_selbox[3] * .5,
+			ent.base_selbox[4] * .5,
+			ent.base_selbox[5] * .5,
+			ent.base_selbox[6] * .5,
+		},
+	})
+
+	return child
+end
+
 
 -- DISABLED IN MCL2
 --[=[

mods/ENTITIES/mobs/api.txt

@@ -361,6 +361,16 @@ true the mob will not spawn.
     'name'   is the name of the animal/monster
 
 
+MineClone 2 extensions
+----------------------
+
+mobs:spawn_child(pos, mob_type)
+
+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.
+
+
 Making Arrows
 -------------
 

mods/ENTITIES/mobs_mc/horse.lua

@@ -253,37 +253,9 @@ local horse = {
 
 	on_breed = function(parent1, parent2)
 		local pos = parent1.object:get_pos()
-		local mob = minetest.add_entity(pos, parent1.name)
+		if mobs:spawn_child(pos, parent1.name) then
-
+			return false
-		-- resize to half height
+		end
-		mob:set_properties({
-			visual_size = {
-				x = parent1.base_size.x * .5,
-				y = parent1.base_size.y * .5,
-			},
-			collisionbox = {
-				parent1.base_colbox[1] * .5,
-				parent1.base_colbox[2] * .5,
-				parent1.base_colbox[3] * .5,
-				parent1.base_colbox[4] * .5,
-				parent1.base_colbox[5] * .5,
-				parent1.base_colbox[6] * .5,
-			},
-			selectionbox = {
-				parent1.base_selbox[1] * .5,
-				parent1.base_selbox[2] * .5,
-				parent1.base_selbox[3] * .5,
-				parent1.base_selbox[4] * .5,
-				parent1.base_selbox[5] * .5,
-				parent1.base_selbox[6] * .5,
-			},
-		})
-		local ent = mob:get_luaentity()
-		-- tamed and owned by parents' owner
-		ent.child = true
-		ent.tamed = true
-		ent.owner = parent1.owner
-		return false
 	end,
 }
 

mods/ENTITIES/mobs_mc/pig.lua

@@ -171,38 +171,9 @@ mobs:register_mob("mobs_mc:pig", {
 
 	on_breed = function(parent1, parent2)
 		local pos = parent1.object:get_pos()
-		local mob = minetest.add_entity(pos, parent1.name)
+		if mobs:spawn_child(pos, parent1.name) then
-
+			return false
-		-- resize to half height
+		end
-		mob:set_properties({
-			visual_size = {
-				x = parent1.base_size.x * .5,
-				y = parent1.base_size.y * .5,
-			},
-			collisionbox = {
-				parent1.base_colbox[1] * .5,
-				parent1.base_colbox[2] * .5,
-				parent1.base_colbox[3] * .5,
-				parent1.base_colbox[4] * .5,
-				parent1.base_colbox[5] * .5,
-				parent1.base_colbox[6] * .5,
-			},
-			selectionbox = {
-				parent1.base_selbox[1] * .5,
-				parent1.base_selbox[2] * .5,
-				parent1.base_selbox[3] * .5,
-				parent1.base_selbox[4] * .5,
-				parent1.base_selbox[5] * .5,
-				parent1.base_selbox[6] * .5,
-			},
-		})
-		local ent = mob:get_luaentity()
-
-		-- tamed and owned by parents' owner
-		ent.child = true
-		ent.tamed = true
-		ent.owner = parent1.owner
-		return false
 	end,
 })