minetest-mod-nssm/nssm_weapons.lua
2016-03-13 23:08:25 +01:00

85 lines
2.9 KiB
Lua

local default_dir = {
x = 1,
y = 1,
z = 1,
}
function default_on_step(self, pos, node, name, max_time, damage, dir, not_transparent, vel, dtime)
local timer = 0
minetest.register_globalstep(function(dtime)
timer = timer + dtime
if (timer>max_time) then
self.object:remove()
end
end)
--while going around it damages entities
local objects = minetest.env:get_objects_inside_radius(pos, 2)
for _,obj in ipairs(objects) do
if (obj:is_player()) then
elseif (obj:get_luaentity() and obj:get_luaentity().name ~= "__builtin:item") then
obj:set_hp(obj:get_hp()-damage)
if (obj:get_hp() <= 0) then
if (not obj:is_player()) and obj:get_entity_name() ~= "nssm:"..name then
obj:remove()
end
end
end
end
local n = minetest.env:get_node(pos).name
if n ~=not_transparent then
minetest.env:set_node(pos, {name="air"})
local vec = self.object:getvelocity()
local c=3
--calculate how many blocks around need to be removed
local i = nssm:round(math.abs(math.abs(vec.x)-vel)*0.01*c*dir.x)
local j = nssm:round(math.abs(math.abs(vec.y)-vel)*0.01*c*dir.y)
local k = nssm:round(math.abs(math.abs(vec.z)-vel)*0.01*c*dir.z)
for dx = -i,i do
for dy= -j,j do
for dz = -k,k do
local p = {x=pos.x+dx, y=pos.y+dy, z=pos.z+dz}
minetest.env:remove_node(p)
end
end
end
else
self.hit_node(self, pos, node)
self.object:remove()
return
end
end
--function default_on_step(self, pos, node, name, max_time, damage, dir, not_transparent, vel, dtime)
function nssm_register_weapon(name, def)
minetest.register_entity("nssm:"..name, {
textures = {name..".png"},
on_step = def.on_step or default_on_step(self, self.pos, node, name, 10, 20, default_dir, "default:stone", 30, dtime),
hit_node = def.hit_node or nssm:explosion(self.pos, def.exp_radius, 1),
})
minetest.register_tool("nssm:"..name.."_hand", {
description = def.description,
inventory_image = name.."_hand.png",
on_use = weapons_shot(),
})
minetest.register_craft({
output = "nssm:"..name.."_hand",
recipe = {
{
{'nssm:great_energy_globe', 'nssm:great_energy_globe', 'nssm:great_energy_globe'},
{'nssm:great_energy_globe', "nssm:"..def.material, 'nssm:great_energy_globe'},
{'nssm:great_energy_globe', 'nssm:great_energy_globe', 'nssm:great_energy_globe'},
}
}
})
end
--function default_on_step(self, pos, node, name, max_time, damage, dir, not_transparent, vel, dtime)
nssm_register_weapon("kamehameha", {
material = "default:stick",
description = "Kamehameha from DragonBall"
})