shooter/shooter_rocket/init.lua

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--[[
Shooter Rocket Gun [shooter_rocket]
Copyright (C) 2013-2019 stujones11, Stuart Jones
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
]]--
minetest.register_craftitem("shooter_rocket:rocket", {
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description = "Rocket",
stack_max = 1,
inventory_image = "shooter_rocket_inv.png",
})
minetest.register_entity("shooter_rocket:rocket_entity", {
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physical = false,
timer = 0,
visual = "cube",
visual_size = {x=1/8, y=1/8},
textures = {
"shooter_bullet.png",
"shooter_bullet.png",
"shooter_bullet.png",
"shooter_bullet.png",
"shooter_bullet.png",
"shooter_bullet.png",
},
user = nil,
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collisionbox = {0,0,0, 0,0,0},
on_activate = function(self, staticdata)
if staticdata == "expired" then
self.object:remove()
end
end,
on_step = function(self, dtime)
self.timer = self.timer + dtime
if self.timer > 0.2 then
local pos = self.object:get_pos()
local above = {x=pos.x, y=pos.y + 1, z=pos.z}
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if minetest.get_node(pos).name ~= "air" then
if self.user then
local player = minetest.get_player_by_name(self.user)
if player then
shooter.blast(above, 4, 50, 8, player)
end
end
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self.object:remove()
end
self.timer = 0
end
end,
get_staticdata = function()
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return "expired"
end,
})
minetest.register_tool("shooter_rocket:rocket_gun_loaded", {
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description = "Rocket Gun",
inventory_image = "shooter_rocket_gun_loaded.png",
groups = {not_in_creative_inventory=1},
on_use = function(itemstack, user, pointed_thing)
if not minetest.setting_getbool("creative_mode") then
itemstack:add_wear(65535 / 50)
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end
itemstack = "shooter_rocket:rocket_gun 1 "..itemstack:get_wear()
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if pointed_thing.type ~= "nothing" then
local pointed = minetest.get_pointed_thing_position(pointed_thing)
if vector.distance(user:get_pos(), pointed) < 8 then
shooter.blast(pointed, 2, 50, 7)
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return itemstack
end
end
local pos = user:get_pos()
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local dir = user:get_look_dir()
local yaw = user:get_look_horizontal()
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if pos and dir and yaw then
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pos.y = pos.y + user:get_properties().eye_height
local obj = minetest.add_entity(pos, "shooter_rocket:rocket_entity")
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if obj then
minetest.sound_play("shooter_rocket_fire", {object=obj})
obj:set_velocity(vector.multiply(dir, 20))
obj:set_acceleration({x=dir.x * -3, y=-10, z=dir.z * -3})
obj:set_yaw(yaw + math.pi / 2)
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local ent = obj:get_luaentity()
if ent then
ent.user = user:get_player_name()
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end
end
end
return itemstack
end,
})
minetest.register_tool("shooter_rocket:rocket_gun", {
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description = "Rocket Gun",
inventory_image = "shooter_rocket_gun.png",
on_use = function(itemstack, user)
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local inv = user:get_inventory()
if inv:contains_item("main", "shooter_rocket:rocket") then
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minetest.sound_play("shooter_reload", {object=user})
if not minetest.setting_getbool("creative_mode") then
inv:remove_item("main", "shooter_rocket:rocket 1")
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end
itemstack = "shooter_rocket:rocket_gun_loaded 1 "..itemstack:get_wear()
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else
minetest.sound_play("shooter_click", {object=user})
end
return itemstack
end,
})
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if shooter.config.enable_crafting == true then
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minetest.register_craft({
output = "shooter_rocket:rocket_gun",
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recipe = {
{"default:bronze_ingot", "default:steel_ingot", "default:steel_ingot"},
{"", "", "default:diamond"},
},
})
minetest.register_craft({
output = "shooter_rocket:rocket",
type = "shapeless",
recipe = {"default:bronze_ingot", "shooter:gunpowder", "default:bronze_ingot"},
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})
end
local timer = 0
minetest.register_globalstep(function(dtime)
timer = timer + dtime
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if timer >= 1 then
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timer = 0
for _, player in ipairs(minetest.get_connected_players()) do
local name = player and player:get_player_name()
local wielditem = player:get_wielded_item()
if wielditem:get_name() == "shooter_rocket:rocket_gun_loaded" then
local wielditem = player:get_wielded_item()
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physics.set(name, "shooter_rocket:physics", {
speed = 0.7
})
else
physics.remove(name, "shooter_rocket:physics")
end
end
end
end)
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--Backwards compatibility
minetest.register_alias("shooter:rocket", "shooter_rocket:rocket")
minetest.register_alias("shooter:rocket_gun", "shooter_rocket:rocket_gun")
minetest.register_alias("shooter:rocket_gun_loaded", "shooter_rocket:rocket_gun_loaded")