Mineclonia/mods/mcl_throwing/throwable.lua

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2017-01-16 22:11:04 +00:00
--
-- Snowballs
--
local GRAVITY = 9.81
local snowball_VELOCITY=19
local egg_VELOCITY=19
--Shoot snowball.
local throw_function = function (entity_name, velocity)
local func = function(item, player, pointed_thing)
local playerpos=player:getpos()
local obj=minetest.add_entity({x=playerpos.x,y=playerpos.y+1.5,z=playerpos.z}, entity_name)
local dir=player:get_look_dir()
obj:setvelocity({x=dir.x*velocity, y=dir.y*velocity, z=dir.z*velocity})
obj:setacceleration({x=dir.x*-3, y=-GRAVITY, z=dir.z*-3})
item:take_item()
return item
end
return func
end
-- The snowball entity
local snowball_ENTITY={
physical = false,
timer=0,
textures = {"mcl_throwing_snowball.png"},
lastpos={},
collisionbox = {0,0,0,0,0,0},
}
local egg_ENTITY={
physical = false,
timer=0,
textures = {"mcl_throwing_egg.png"},
lastpos={},
collisionbox = {0,0,0,0,0,0},
}
-- Snowball_entity.on_step()--> called when snowball is moving.
local on_step = function(self, dtime)
self.timer=self.timer+dtime
local pos = self.object:getpos()
local node = minetest.get_node(pos)
--Become item when hitting a node.
if self.lastpos.x~=nil then --If there is no lastpos for some reason.
if node.name ~= "air" then
self.object:remove()
end
end
self.lastpos={x=pos.x, y=pos.y, z=pos.z} -- Set lastpos-->Node will be added at last pos outside the node
end
minetest.register_entity("mcl_throwing:snowball_entity", snowball_ENTITY)
minetest.register_entity("mcl_throwing:egg_entity", egg_ENTITY)
-- Snowball
minetest.register_craftitem("mcl_throwing:snowball", {
description = "Snowball",
inventory_image = "mcl_throwing_snowball.png",
stack_max = 16,
on_use = throw_function("mcl_throwing:snowball_entity", snowball_VELOCITY),
groups = { weapon_ranged = 1 },
on_construct = function(pos)
pos.y = pos.y - 1
if minetest.get_node(pos).name == "default:dirt_with_grass" then
minetest.set_node(pos, {name="default:dirt_with_snow"})
end
end,
})
minetest.register_craftitem("mcl_throwing:egg", {
description = "Egg",
inventory_image = "mcl_throwing_egg.png",
stack_max = 16,
on_use = throw_function("mcl_throwing:egg_entity", egg_VELOCITY),
groups = { weapon_ranged = 1 },
})