242 lines
6.5 KiB
Lua
242 lines
6.5 KiB
Lua
--[[
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Shooter Rocket Gun [shooter_rocket]
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Copyright (C) 2013-2019 stujones11, Stuart Jones
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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]]--
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minetest.register_craftitem("shooter_rocket:rocket", {
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description = "Rocket",
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stack_max = 1,
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inventory_image = "shooter_rocket_inv.png",
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})
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minetest.register_entity("shooter_rocket:rocket_entity", {
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physical = false,
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timer = 0,
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visual = "cube",
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visual_size = {x=1/8, y=1/8},
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textures = {
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"shooter_bullet.png",
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"shooter_bullet.png",
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"shooter_bullet.png",
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"shooter_bullet.png",
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"shooter_bullet.png",
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"shooter_bullet.png",
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},
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user = nil,
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collisionbox = {0,0,0, 0,0,0},
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on_activate = function(self, staticdata)
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if staticdata == "expired" then
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self.object:remove()
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end
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end,
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on_step = function(self)
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local pos = self.object:get_pos()
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local above = {x=pos.x, y=pos.y + 1, z=pos.z}
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if minetest.get_node(pos).name ~= "air" then
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if self.user then
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local player = minetest.get_player_by_name(self.user)
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if player then
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shooter.blast(above, 4, 50, 8, player)
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end
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end
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self.object:remove()
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end
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end,
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get_staticdata = function()
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return "expired"
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end,
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})
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--- Scope functions taken from sniper_rifles mod
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------------------
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-- Private data --
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------------------
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-- Keep track of players who are scoping in, and their wielded item
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local scoped = {}
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-- Timer for scope-check globalstep
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local timer = 0.2
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local physics_overrides = {
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speed = 0.3,
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jump = 0
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}
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-------------
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-- Helpers --
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-------------
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local function show_scope(name, item_name)
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local player = minetest.get_player_by_name(name)
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if not player then
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return
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end
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scoped[name] = item_name
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player:set_fov(1.1, true)
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physics.set(name, "shooter_rocket:scoping", physics_overrides)
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player:hud_set_flags({ wielditem = false })
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end
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local function hide_scope(name)
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local player = minetest.get_player_by_name(name)
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if not player then
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return
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end
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scoped[name] = nil
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player:set_fov(0)
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physics.remove(name, "shooter_rocket:scoping")
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player:hud_set_flags({ wielditem = true })
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end
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local function on_rclick(item, placer, pointed_thing)
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local name = placer:get_player_name()
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-- Prioritize on "un-scoping", if player is using the scope
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if not scoped[name] and pointed_thing.type == "node" then
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return minetest.item_place(item, placer, pointed_thing)
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end
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if scoped[name] then
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hide_scope(name)
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else
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-- Remove _loaded suffix added to item name by shooter
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local item_name = item:get_name():gsub("_loaded", "")
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show_scope(name, item_name)
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end
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end
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------------------
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-- Scope-check --
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------------------
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-- Hide scope if currently wielded item is not the same item
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-- player wielded when scoping
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local time = 0
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if minetest.get_modpath("physics") then
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minetest.register_globalstep(function(dtime)
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time = time + dtime
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if time < timer then
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return
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end
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time = 0
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for name, original_item in pairs(scoped) do
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local player = minetest.get_player_by_name(name)
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if not player then
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scoped[name] = nil
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else
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local wielded_item = player:get_wielded_item():get_name():gsub("_loaded", "")
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if wielded_item ~= original_item then
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hide_scope(name)
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end
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end
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end
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end)
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end
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minetest.register_tool("shooter_rocket:rocket_gun_loaded", {
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description = "Rocket Gun",
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inventory_image = "shooter_rocket_gun_loaded.png",
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groups = {not_in_creative_inventory=1},
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on_place = on_rclick,
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on_secondary_use = on_rclick,
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on_use = function(itemstack, user, pointed_thing)
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if not minetest.get_modpath("physics") then
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scoped[user:get_player_name()] = true
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end
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if scoped[user:get_player_name()] then
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if not minetest.setting_getbool("creative_mode") then
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itemstack:add_wear(65535 / 50)
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end
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itemstack = "shooter_rocket:rocket_gun 1 "..itemstack:get_wear()
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if pointed_thing.type ~= "nothing" then
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local pointed = minetest.get_pointed_thing_position(pointed_thing)
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if vector.distance(user:get_pos(), pointed) < 8 then
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shooter.blast(pointed, 2, 50, 7)
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return itemstack
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end
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end
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local pos = user:get_pos()
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local dir = user:get_look_dir()
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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
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local obj = minetest.add_entity(pos, "shooter_rocket:rocket_entity")
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if obj then
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minetest.sound_play("shooter_rocket_fire", {object=obj})
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obj:set_velocity(vector.multiply(dir, 20))
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obj:set_acceleration({x=dir.x * -3, y=-10, z=dir.z * -3})
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obj:set_yaw(yaw + math.pi / 2)
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local ent = obj:get_luaentity()
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if ent then
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ent.user = user:get_player_name()
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end
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end
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end
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return itemstack
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end
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end,
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})
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minetest.register_tool("shooter_rocket:rocket_gun", {
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description = "Rocket Gun",
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inventory_image = "shooter_rocket_gun.png",
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on_place = on_rclick,
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on_secondary_use = on_rclick,
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on_use = function(itemstack, user)
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local inv = user:get_inventory()
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if inv:contains_item("main", "shooter_rocket:rocket") then
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minetest.sound_play("shooter_reload", {object=user})
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if not minetest.setting_getbool("creative_mode") then
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inv:remove_item("main", "shooter_rocket:rocket 1")
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end
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itemstack = "shooter_rocket:rocket_gun_loaded 1 "..itemstack:get_wear()
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else
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minetest.sound_play("shooter_click", {object=user})
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end
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return itemstack
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end,
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})
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if shooter.config.enable_crafting == true then
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minetest.register_craft({
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output = "shooter_rocket:rocket_gun",
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recipe = {
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{"default:bronze_ingot", "default:steel_ingot", "default:steel_ingot"},
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{"", "", "default:diamond"},
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},
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})
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minetest.register_craft({
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output = "shooter_rocket:rocket",
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type = "shapeless",
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recipe = {"default:bronze_ingot", "shooter:gunpowder", "default:bronze_ingot"},
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})
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end
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--Backwards compatibility
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minetest.register_alias("shooter:rocket", "shooter_rocket:rocket")
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minetest.register_alias("shooter:rocket_gun", "shooter_rocket:rocket_gun")
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minetest.register_alias("shooter:rocket_gun_loaded", "shooter_rocket:rocket_gun_loaded")
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