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local modpath = minetest.get_modpath(minetest.get_current_modname())
dofile(modpath.."/railcart.lua")
local worldpath = minetest.get_worldpath()
local function create_detached_inventory(id)
local inv = minetest.create_detached_inventory("railcart_"..tostring(id), {
on_put = function(inv, listname, index, stack, player)
railcart:save()
end,
on_take = function(inv, listname, index, stack, player)
railcart:save()
end,
allow_put = function(inv, listname, index, stack, player)
return 1
end,
allow_take = function(inv, listname, index, stack, player)
return stack:get_count()
end,
allow_move = function(inv, from_list, from_index, to_list, to_index, count, player)
return count
end,
})
inv:set_size("main", 32)
return inv
end
local input = io.open(worldpath.."/railcart.txt", "r")
if input then
local data = input:read('*all')
if data then
local carts = minetest.deserialize(data) or {}
for id, ref in pairs(carts) do
local cart = railcart.cart:new(ref)
if ref.inv then
local inv = create_detached_inventory(cart.id)
for i, stack in pairs(ref.inv) do
inv:set_stack("main", i, stack)
end
cart.inv = inv
end
railcart.allcarts[id] = cart
end
end
input = nil
end
local function is_valid_player(object)
if object then
return object:is_player()
end
end
railcart:register_entity("railcart:cart_entity", {
on_punch = function(self, puncher, _, _, direction)
if not is_valid_player(puncher) then
return
end
if puncher:get_player_control().sneak then
if self.cart then
if self.cart.id then
if self.cart.inv then
if not self.cart.inv:is_empty("main") then
return
end
end
railcart:remove_cart(self.cart.id)
end
end
self.object:remove()
local inv = puncher:get_inventory()
if minetest.setting_getbool("creative_mode") then
if not inv:contains_item("main", "railcart:cart") then
inv:add_item("main", "railcart:cart")
end
else
inv:add_item("main", "railcart:cart")
end
return
end
if self.cart and direction then
if self.driver then
direction = {x=0, y=0, z=0}
local ld = self.driver:get_look_dir()
if ld.y > -0.99 then
direction = {
x = railtrack:get_sign(ld.x),
z = railtrack:get_sign(ld.z),
y = self.cart.dir.y
}
end
end
local pos = vector.round(self.object:getpos())
local dir = vector.round(vector.normalize(direction))
local speed = railcart:velocity_to_speed(self.cart.vel)
self.timer = 0
self.cart.target = nil
self.cart.prev = pos
self.cart.vel = vector.multiply(dir, 5)
self.cart.accel = railtrack:get_acceleration(pos)
self.object:setvelocity(self.cart.vel)
end
end,
on_rightclick = function(self, clicker)
if not is_valid_player(clicker) then
return
end
if clicker:get_player_control().sneak then
local name = clicker:get_player_name()
local cart = self.cart or {}
if cart.id and name then
local formspec = "size[8,9]"..
default.gui_bg..default.gui_bg_img..default.gui_slots..
"list[detached:railcart_"..cart.id..";main;0,0.3;8,4;]"..
"list[current_player;main;0,4.85;8,1;]"..
"list[current_player;main;0,6.08;8,3;8]"..
"listring[detached:railcart_"..cart.id..";main]"..
"listring[current_player;main]"..
default.get_hotbar_bg(0,4.85)
minetest.show_formspec(name, "inventory", formspec)
end
return
end
if self.driver and clicker == self.driver then
self.driver = nil
clicker:set_detach()
elseif not self.driver then
self.driver = clicker
clicker:set_attach(self.object, "", {x=0,y=5,z=0}, {x=0,y=0,z=0})
end
end,
})
minetest.register_craftitem("railcart:cart", {
description = "Railcart",
inventory_image = minetest.inventorycube("cart_top.png", "cart_side.png", "cart_side.png"),
wield_image = "cart_side.png",
on_place = function(itemstack, placer, pointed_thing)
local name = placer:get_player_name()
if not name or pointed_thing.type ~= "node" then
return
end
if not minetest.is_singleplayer() then
if not minetest.check_player_privs(name, {carts=true}) then
minetest.chat_send_player(name, "Requires carts privilege")
return
end
end
local pos = pointed_thing.under
if not railtrack:is_railnode(pos) then
return
end
local carts = railcart:get_carts_in_radius(pos, 0.9)
if #carts > 0 then
return
end
local id = railcart:get_new_id()
local ref = {
id = id,
inv = create_detached_inventory(id),
pos = vector.new(pos),
prev = vector.new(pos),
accel = railtrack:get_acceleration(pos),
dir = railcart:get_rail_direction(pos),
}
local cart = railcart.cart:new(ref)
table.insert(railcart.allcarts, cart)
railcart:save()
if not minetest.setting_getbool("creative_mode") then
itemstack:take_item()
end
return itemstack
end,
})
minetest.register_privilege("carts", "Player can pick-up and place carts.")
minetest.register_craft({
output = "railcart:cart",
recipe = {
{"default:steel_ingot", "", "default:steel_ingot"},
{"default:steel_ingot", "", "default:steel_ingot"},
{"group:wood", "default:steel_ingot", "group:wood"},
},
})
minetest.register_on_shutdown(function()
railcart:save()
end)
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