capturetheflag/mods/pvp/shooter/grapple.lua

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local function throw_hook(itemstack, user, vel)
local inv = user:get_inventory()
local pos = user:getpos()
local dir = user:get_look_dir()
local yaw = user:get_look_yaw()
if pos and dir and yaw then
if not minetest.settings:get_bool("creative_mode") then
itemstack:add_wear(65535/100)
end
pos.y = pos.y + 1.5
local obj = minetest.add_entity(pos, "shooter:hook")
if obj then
minetest.sound_play("shooter_throw", {object=obj})
obj:setvelocity({x=dir.x * vel, y=dir.y * vel, z=dir.z * vel})
obj:setacceleration({x=dir.x * -3, y=-10, z=dir.z * -3})
obj:setyaw(yaw + math.pi)
local ent = obj:get_luaentity()
if ent then
ent.player = ent.player or user
ent.itemstack = itemstack
end
end
end
end
minetest.register_entity("shooter:hook", {
physical = true,
timer = 0,
visual = "wielditem",
visual_size = {x=1/2, y=1/2},
textures = {"shooter:grapple_hook"},
player = 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.player then
return
end
self.timer = self.timer + dtime
if self.timer > 0.25 then
local pos = self.object:getpos()
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:setvelocity({x=0, y=-10, z=0})
self.object:setacceleration({x=0, y=0, z=0})
if minetest.get_item_group(node.name, "liquid") == 0 and
minetest.get_node(pos).name == "air" then
self.player:moveto(pos)
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(self)
return "expired"
end,
})
minetest.register_tool("shooter: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:grapple_gun", {
description = "Grappling Gun",
inventory_image = "shooter_hook_gun.png",
on_use = function(itemstack, user, pointed_thing)
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local ent = pointed_thing.ref and pointed_thing.ref:get_luaentity()
if ent and ent.name == "__builtin:item" then
return ent:on_punch(user)
end
local inv = user:get_inventory()
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if inv:contains_item("main", "shooter:grapple_hook") then
minetest.sound_play("shooter_reload", {object=user})
local stack = inv:remove_item("main", "shooter:grapple_hook")
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itemstack = ItemStack("shooter:grapple_gun_loaded 1 "..stack:get_wear())
else
minetest.sound_play("shooter_click", {object=user})
end
return itemstack
end,
})
minetest.register_tool("shooter: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:grapple_hook 1 "..itemstack:get_wear())
itemstack:add_wear(65536 / 8)
throw_hook(itemstack, user, 20)
return "shooter:grapple_gun"
end,
})
if SHOOTER_ENABLE_CRAFTING == true then
minetest.register_craft({
output = "shooter: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:grapple_gun",
recipe = {
{"", "default:steel_ingot", "default:steel_ingot"},
{"", "", "default:diamond"},
},
})
end