shooter/shooter_hook/init.lua
2020-07-09 17:40:56 -07:00

162 lines
5 KiB
Lua

--[[
Shooter Grapple Hook [shooter_hook]
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.
]]--
local function throw_hook(itemstack, user, vel)
local pos = user:get_pos()
local dir = user:get_look_dir()
local yaw = user:get_look_horizontal()
if pos and dir and yaw then
if not minetest.setting_getbool("creative_mode") then
local before = itemstack:get_wear()
itemstack:add_wear(65535 / 100)
if itemstack:get_wear() < before then
itemstack:set_wear(65535)
end
end
pos.y = pos.y + 1.5
local obj = minetest.add_entity(pos, "shooter_hook:hook")
if obj then
minetest.sound_play("shooter_throw", {object=obj})
obj:set_velocity(vector.multiply(dir, vel))
obj:set_acceleration({x=dir.x * -3, y=-10, z=dir.z * -3})
obj:set_yaw(yaw + math.pi / 2)
local ent = obj:get_luaentity()
if ent then
ent.user = user:get_player_name()
ent.itemstack = itemstack
end
end
end
end
minetest.register_entity("shooter_hook:hook", {
physical = true,
timer = 0,
visual = "wielditem",
visual_size = {x=1/2, y=1/2},
textures = {"shooter_hook:grapple_hook"},
user = nil,
itemstack = "",
collisionbox = {-1/4,-1/4,-1/4, 1/4,1/4,1/4},
on_activate = function(self, staticdata)
self.object:set_armor_groups({fleshy=0})
if staticdata == "expired" then
self.object:remove()
end
end,
on_step = function(self, dtime)
if not self.user then
return
end
self.timer = self.timer + dtime
if self.timer > 0.25 then
local pos = self.object:get_pos()
local below = {x=pos.x, y=pos.y - 1, z=pos.z}
local node = minetest.get_node(below)
if node.name ~= "air" then
self.object:set_velocity({x=0, y=-10, z=0})
self.object:set_acceleration({x=0, y=0, z=0})
if minetest.get_item_group(node.name, "liquid") == 0 and
minetest.get_node(pos).name == "air" then
local player = minetest.get_player_by_name(self.user)
if player then
player:move_to(pos)
end
end
if minetest.get_item_group(node.name, "lava") == 0 then
minetest.add_item(pos, self.itemstack)
end
self.object:remove()
end
self.timer = 0
end
end,
get_staticdata = function()
return "expired"
end,
})
minetest.register_tool("shooter_hook:grapple_hook", {
description = "Grappling Hook",
inventory_image = "shooter_hook.png",
on_use = function(itemstack, user, pointed_thing)
if pointed_thing.type ~= "nothing" then
return itemstack
end
throw_hook(itemstack, user, 14)
return ""
end,
})
minetest.register_tool("shooter_hook:grapple_gun", {
description = "Grappling Gun",
inventory_image = "shooter_hook_gun.png",
on_use = function(itemstack, user)
local inv = user:get_inventory()
if inv:contains_item("main", "shooter_hook:grapple_hook") and
inv:contains_item("main", "shooter:gunpowder") then
inv:remove_item("main", "shooter:gunpowder")
minetest.sound_play("shooter_reload", {object=user})
local stack = inv:remove_item("main", "shooter_hook:grapple_hook")
itemstack = "shooter_hook:grapple_gun_loaded 1 "..stack:get_wear()
else
minetest.sound_play("shooter_click", {object=user})
end
return itemstack
end,
})
minetest.register_tool("shooter_hook:grapple_gun_loaded", {
description = "Grappling Gun",
inventory_image = "shooter_hook_gun_loaded.png",
groups = {not_in_creative_inventory=1},
on_use = function(itemstack, user, pointed_thing)
if pointed_thing.type ~= "nothing" then
return itemstack
end
minetest.sound_play("shooter_pistol", {object=user})
itemstack = ItemStack("shooter_hook:grapple_hook 1 "..itemstack:get_wear())
throw_hook(itemstack, user, 20)
return "shooter_hook:grapple_gun"
end,
})
if shooter.config.enable_crafting == true then
minetest.register_craft({
output = "shooter_hook:grapple_hook",
recipe = {
{"default:steel_ingot", "default:steel_ingot", "default:diamond"},
{"default:steel_ingot", "default:steel_ingot", ""},
{"default:diamond", "", "default:steel_ingot"},
},
})
minetest.register_craft({
output = "shooter_hook:grapple_gun",
recipe = {
{"", "default:steel_ingot", "default:steel_ingot"},
{"", "", "default:diamond"},
},
})
end
--Backwards compatibility
minetest.register_alias("shooter:grapple_hook", "shooter_hook:grapple_hook")
minetest.register_alias("shooter:grapple_gun", "shooter_hook:grapple_gun")
minetest.register_alias("shooter:grapple_gun_loaded", "shooter_hook:grapple_gun_loaded")