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Improve child spawn on slime/magmacube death

No longer do children spawn in walls
This commit is contained in:
Wuzzy 2019-02-05 20:19:06 +01:00
parent 1c35828fa2
commit ca484cfa1a
1 changed files with 39 additions and 48 deletions

View File

@ -4,6 +4,41 @@
local MP = minetest.get_modpath(minetest.get_current_modname()) local MP = minetest.get_modpath(minetest.get_current_modname())
local S, NS = dofile(MP.."/intllib.lua") 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 -- Slime
local slime_big = { local slime_big = {
type = "monster", type = "monster",
@ -59,18 +94,7 @@ local slime_big = {
jump_chance = 100, jump_chance = 100,
fear_height = 60, fear_height = 60,
spawn_small_alternative = "mobs_mc:slime_small", spawn_small_alternative = "mobs_mc:slime_small",
on_die = function(self, pos) on_die = spawn_children_on_die(self, pos, "mobs_mc:slime_small", 4, 1.0, 1.5)
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,
} }
mobs:register_mob("mobs_mc:slime_big", slime_big) 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.run_velocity = 1.3
slime_small.jump_height = 4.3 slime_small.jump_height = 4.3
slime_small.spawn_small_alternative = "mobs_mc:slime_tiny" slime_small.spawn_small_alternative = "mobs_mc:slime_tiny"
slime_small.on_die = function(self, pos) slime_small.on_die = spawn_children_on_die(self, pos, "mobs_mc:slime_tiny", 4, 0.6, 1.0)
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
mobs:register_mob("mobs_mc:slime_small", slime_small) mobs:register_mob("mobs_mc:slime_small", slime_small)
local slime_tiny = table.copy(slime_big) local slime_tiny = table.copy(slime_big)
@ -185,18 +198,7 @@ local magma_cube_big = {
jump_chance = 100, jump_chance = 100,
fear_height = 100000, fear_height = 100000,
spawn_small_alternative = "mobs_mc:magma_cube_small", spawn_small_alternative = "mobs_mc:magma_cube_small",
on_die = function(self, pos) on_die = spawn_children_on_die(self, pos, "mobs_mc:magma_cube_small", 3, 0.8, 1.5)
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,
} }
mobs:register_mob("mobs_mc:magma_cube_big", magma_cube_big) 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.reach = 2.75
magma_cube_small.armor = 70 magma_cube_small.armor = 70
magma_cube_small.spawn_small_alternative = "mobs_mc:magma_cube_tiny" magma_cube_small.spawn_small_alternative = "mobs_mc:magma_cube_tiny"
magma_cube_small.on_die = function(self, pos) magma_cube_small.on_die = spawn_children_on_die(self, pos, "mobs_mc:magma_cube_tiny", 4, 0.6, 1.0)
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
mobs:register_mob("mobs_mc:magma_cube_small", magma_cube_small) mobs:register_mob("mobs_mc:magma_cube_small", magma_cube_small)
local magma_cube_tiny = table.copy(magma_cube_big) local magma_cube_tiny = table.copy(magma_cube_big)