diff --git a/mods/ENTITIES/mobs_mc/slime+magma_cube.lua b/mods/ENTITIES/mobs_mc/slime+magma_cube.lua index 35374444b2..c419ec67ac 100644 --- a/mods/ENTITIES/mobs_mc/slime+magma_cube.lua +++ b/mods/ENTITIES/mobs_mc/slime+magma_cube.lua @@ -4,6 +4,41 @@ local MP = minetest.get_modpath(minetest.get_current_modname()) local S, NS = dofile(MP.."/intllib.lua") +-- Returns a function that spawns children in a circle around pos. +-- To be used as on_die callback. +-- self: mob reference +-- pos: position of "mother" mob +-- child_mod: Mob to spawn +-- children_count: Number of children to spawn +-- spawn_distance: Spawn distance from "mother" mob +-- eject_speed: Initial speed of child mob away from "mother" mob +local spawn_children_on_die = function(self, pos, child_mob, children_count, spawn_distance, eject_speed) + return function(self, pos) + local angle, posadd, newpos, dir + if not eject_speed then + eject_speed = 1 + end + local mother_stuck = minetest.registered_nodes[minetest.get_node(pos).name].walkable + angle = math.random(0, math.pi*2) + for i=1,children_count do + dir = {x=math.cos(angle),y=0,z=math.sin(angle)} + posadd = vector.multiply(vector.normalize(dir), spawn_distance) + newpos = vector.add(pos, posadd) + -- If child would end up in a wall, use position of the "mother", unless + -- the "mother" was stuck as well + local speed_penalty = 1 + if (not mother_stuck) and minetest.registered_nodes[minetest.get_node(newpos).name].walkable then + newpos = pos + speed_penalty = 0.5 + end + local mob = minetest.add_entity(newpos, child_mob) + mob:set_velocity(vector.multiply(dir, eject_speed * speed_penalty)) + mob:set_yaw(angle - math.pi/2) + angle = angle + (math.pi*2)/children_count + end + end +end + -- Slime local slime_big = { type = "monster", @@ -59,18 +94,7 @@ local slime_big = { jump_chance = 100, fear_height = 60, spawn_small_alternative = "mobs_mc:slime_small", - on_die = function(self, pos) - local angle, posadd - angle = math.random(0, math.pi*2) - for i=1,4 do - posadd = {x=math.cos(angle),y=0,z=math.sin(angle)} - posadd = vector.normalize(posadd) - local slime = minetest.add_entity(vector.add(pos, posadd), "mobs_mc:slime_small") - slime:setvelocity(vector.multiply(posadd, 1.5)) - slime:setyaw(angle-math.pi/2) - angle = angle + math.pi/2 - end - end, + on_die = spawn_children_on_die(self, pos, "mobs_mc:slime_small", 4, 1.0, 1.5) } mobs:register_mob("mobs_mc:slime_big", slime_big) @@ -85,18 +109,7 @@ slime_small.walk_velocity = 1.3 slime_small.run_velocity = 1.3 slime_small.jump_height = 4.3 slime_small.spawn_small_alternative = "mobs_mc:slime_tiny" -slime_small.on_die = function(self, pos) - local angle, posadd, dir - angle = math.random(0, math.pi*2) - for i=1,4 do - dir = {x=math.cos(angle),y=0,z=math.sin(angle)} - posadd = vector.multiply(vector.normalize(dir), 0.6) - local slime = minetest.add_entity(vector.add(pos, posadd), "mobs_mc:slime_tiny") - slime:setvelocity(dir) - slime:setyaw(angle-math.pi/2) - angle = angle + math.pi/2 - end -end +slime_small.on_die = spawn_children_on_die(self, pos, "mobs_mc:slime_tiny", 4, 0.6, 1.0) mobs:register_mob("mobs_mc:slime_small", slime_small) local slime_tiny = table.copy(slime_big) @@ -185,18 +198,7 @@ local magma_cube_big = { jump_chance = 100, fear_height = 100000, spawn_small_alternative = "mobs_mc:magma_cube_small", - on_die = function(self, pos) - local angle, posadd - angle = math.random(0, math.pi*2) - for i=1,3 do - posadd = {x=math.cos(angle),y=0,z=math.sin(angle)} - posadd = vector.normalize(posadd) - local mob = minetest.add_entity(vector.add(pos, posadd), "mobs_mc:magma_cube_small") - mob:setvelocity(vector.multiply(posadd, 1.5)) - mob:setyaw(angle-math.pi/2) - angle = angle + (math.pi*2) / 3 - end - end, + on_die = spawn_children_on_die(self, pos, "mobs_mc:magma_cube_small", 3, 0.8, 1.5) } mobs:register_mob("mobs_mc:magma_cube_big", magma_cube_big) @@ -216,18 +218,7 @@ magma_cube_small.damage = 4 magma_cube_small.reach = 2.75 magma_cube_small.armor = 70 magma_cube_small.spawn_small_alternative = "mobs_mc:magma_cube_tiny" -magma_cube_small.on_die = function(self, pos) - local angle, posadd, dir - angle = math.random(0, math.pi*2) - for i=1,4 do - dir = vector.normalize({x=math.cos(angle),y=0,z=math.sin(angle)}) - posadd = vector.multiply(dir, 0.6) - local mob = minetest.add_entity(vector.add(pos, posadd), "mobs_mc:magma_cube_tiny") - mob:setvelocity(dir) - mob:setyaw(angle-math.pi/2) - angle = angle + math.pi/2 - end -end +magma_cube_small.on_die = spawn_children_on_die(self, pos, "mobs_mc:magma_cube_tiny", 4, 0.6, 1.0) mobs:register_mob("mobs_mc:magma_cube_small", magma_cube_small) local magma_cube_tiny = table.copy(magma_cube_big)