forked from MTSR/techage_modpack
90 lines
2.0 KiB
Lua
90 lines
2.0 KiB
Lua
--[[
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Minecart
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========
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Copyright (C) 2019-2020 Joachim Stolberg
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MIT
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See license.txt for more information
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Cart library base functions (level 3)
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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 S = minecart.S
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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 api = {}
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function api.get_object_id(object)
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for id, entity in pairs(minetest.luaentities) do
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if entity.object == object then
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return id
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end
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end
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end
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function api.get_route_key(pos, player_name)
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local pos1 = minetest.find_node_near(pos, 1, {"minecart:buffer"})
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if pos1 then
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local meta = minetest.get_meta(pos1)
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if player_name == nil or player_name == meta:get_string("owner") then
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return P2S(pos1)
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end
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end
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end
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function api.get_station_name(pos)
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local pos1 = minetest.find_node_near(pos, 1, {"minecart:buffer"})
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if pos1 then
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local name = M(pos1):get_string("name")
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if name ~= "" then
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return name
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end
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return "-"
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end
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end
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function api.load_cart(pos, vel, item)
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-- Add cart to map
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local obj = minetest.add_entity(pos, item.entity_name or "minecart:cart", nil)
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-- Determine ID
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local myID = api.get_object_id(obj)
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if myID then
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-- Copy item data to cart entity
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local entity = obj:get_luaentity()
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entity.owner = item.owner or ""
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entity.userID = item.userID or 0
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entity.cargo = item.cargo or {}
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entity.myID = myID
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obj:set_nametag_attributes({color = "#FFFF00", text = entity.owner..": "..entity.userID})
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-- Update item data
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item.owner = entity.owner
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item.cargo = nil
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-- Start cart
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obj:set_velocity(vel)
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return myID
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else
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print("Entity has no ID")
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end
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end
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function api.unload_cart(pos, vel, entity, item)
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-- Copy entity data to item
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item.cargo = entity.cargo
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item.entity_name = entity.object:get_entity_name()
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-- Remove entity from map
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entity.object:remove()
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-- Stop sound
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if entity.sound_handle then
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minetest.sound_stop(entity.sound_handle)
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entity.sound_handle = nil
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end
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end
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return api
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