add do_custom function so that spiders can climb walls

Cette révision appartient à :
TenPlus1 2018-11-29 12:15:56 +00:00
Parent a8df74e063
révision d6420071ab
1 fichiers modifiés avec 57 ajouts et 0 suppressions

Voir le fichier

@ -1,6 +1,12 @@
local S = mobs.intllib
local get_velocity = function(self)
local v = self.object:get_velocity()
return (v.x * v.x + v.z * v.z) ^ 0.5
end
-- Spider by AspireMint (CC-BY-SA 3.0 license)
@ -94,6 +100,57 @@ mobs:register_mob("mobs_monster:spider", {
return true -- run only once, false/nil runs every activation
end,
-- custom function to make spiders climb vertical facings
do_custom = function(self, dtime)
-- quarter second timer
self.spider_timer = (self.spider_timer or 0) + dtime
if self.spider_timer < 0.25 then
return
end
self.spider_timer = 0
-- need to be stopped to go onwards
if get_velocity(self) > 0.2 then
self.disable_falling = false
return
end
local pos = self.object:get_pos()
local yaw = self.object:get_yaw()
pos.y = pos.y + self.collisionbox[2] - 0.2
local dir_x = -math.sin(yaw) * (self.collisionbox[4] + 0.5)
local dir_z = math.cos(yaw) * (self.collisionbox[4] + 0.5)
local nod = minetest.get_node_or_nil({
x = pos.x + dir_x,
y = pos.y + 0.5,
z = pos.z + dir_z
})
-- get current velocity
local v = self.object:get_velocity()
-- can only climb solid facings
if not nod or not minetest.registered_nodes[nod.name]
or not minetest.registered_nodes[nod.name].walkable then
self.disable_falling = nil
v.y = 0
self.object:set_velocity(v)
return
end
--print ("----", nod.name, self.disable_falling, dtime)
-- turn off falling if attached to facing
self.disable_falling = true
-- move up facing
v.y = self.jump_height
mobs:set_animation(self, "jump")
self.object:set_velocity(v)
end
})