106 lines
2.8 KiB
Lua
106 lines
2.8 KiB
Lua
--[[
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Minecart
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========
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Copyright (C) 2019-2021 Joachim Stolberg
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MIT
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See license.txt for more information
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]]--
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-- for lazy programmers
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local M = minetest.get_meta
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local P2S = function(pos) if pos then return minetest.pos_to_string(pos) end end
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local S2P = minetest.string_to_pos
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local P2H = minetest.hash_node_position
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local H2P = minetest.get_position_from_hash
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local S = minecart.S
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local storage = minetest.get_mod_storage()
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local function place_carts(t)
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local Carts = {
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["minecart:cart"] = "minecart:cart",
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["techage:tank_cart_entity"] = "techage:tank_cart",
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["techage:chest_cart_entity"] = "techage:chest_cart",
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}
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for id, item in pairs(t) do
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local pos = vector.round((item.start_pos or item.last_pos))
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local name = Carts[item.entity_name] or "minecart:cart"
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--print(P2S(pos), name, item.owner, item.userID)
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if minetest.registered_nodes[name] then
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minecart.add_nodecart(pos, name, 0, {}, item.owner or "", item.userID or 0)
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end
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end
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end
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-------------------------------------------------------------------------------
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-- Store data of running carts
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-------------------------------------------------------------------------------
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minecart.CartsOnRail = {}
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minetest.register_on_mods_loaded(function()
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local version = storage:get_int("version")
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if version < 2 then
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local t = minetest.deserialize(storage:get_string("CartsOnRail")) or {}
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minetest.after(5, place_carts, t)
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storage:set_int("version", 2)
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else
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local t = minetest.deserialize(storage:get_string("CartsOnRail")) or {}
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for owner, carts in pairs(t) do
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minecart.CartsOnRail[owner] = minecart.CartsOnRail[owner] or {}
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for userID, cart in pairs(carts) do
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if cart.objID then
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minecart.CartsOnRail[owner][userID] = cart
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-- mark all entity carts as zombified
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if cart.objID ~= 0 then
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cart.objID = -1
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end
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minecart.push(1, cart)
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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_on_shutdown(function()
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storage:set_string("CartsOnRail", minetest.serialize(minecart.CartsOnRail))
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print("minecart shutdown finished!!!")
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end)
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function minecart.store_carts()
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storage:set_string("CartsOnRail", minetest.serialize(minecart.CartsOnRail))
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end
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-------------------------------------------------------------------------------
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-- Store routes (in buffers)
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-------------------------------------------------------------------------------
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function minecart.store_route(pos, route)
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if pos and route then
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M(pos):set_string("route", minetest.serialize(route))
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return true
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end
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return false
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end
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function minecart.get_route(pos)
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if pos then
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local s = M(pos):get_string("route")
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if s ~= "" then
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local route = minetest.deserialize(s)
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if route.waypoints then
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M(pos):set_string("route", "")
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M(pos):set_int("time", 0)
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return
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end
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return route
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end
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end
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end
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function minecart.del_route(pos)
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M(pos):set_string("route", "")
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end
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