106 lines
2.6 KiB
Lua
106 lines
2.6 KiB
Lua
--[[
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TechAge
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=======
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Copyright (C) 2019 Joachim Stolberg
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AGPL v3
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See LICENSE.txt for more information
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Logic library
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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 = techage.S
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techage.logic = {}
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local Face2Dir = {[0]=
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{x=0, y=0, z=1},
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{x=1, y=0, z=0},
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{x=0, y=0, z=-1},
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{x=-1, y=0, z=0},
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{x=0, y=-1, z=0},
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{x=0, y=1, z=0}
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}
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-- Determine the destination position based on the position,
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-- the node param2, and a route table like : {0,0,3}
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-- 0 = forward, 1 = right, 2 = backward, 3 = left
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function techage.logic.dest_pos(pos, param2, route)
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local p2 = param2
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for _,dir in ipairs(route) do
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p2 = (param2 + dir) % 4
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pos = vector.add(pos, Face2Dir[p2])
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end
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return pos, p2
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end
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function techage.logic.swap_node(pos, name)
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local node = techage.get_node_lvm(pos)
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if node.name == name then
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return false
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end
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node.name = name
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minetest.swap_node(pos, node)
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return true
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end
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function techage.logic.after_place_node(pos, placer, name, descr)
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local meta = M(pos)
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local own_num = techage.add_node(pos, name)
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meta:set_string("node_number", own_num)
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meta:set_string("owner", placer:get_player_name())
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meta:set_string("infotext", descr.." -")
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end
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function techage.logic.send_on(pos, meta, time)
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local own_num = meta:get_string("node_number") or ""
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local numbers = meta:get_string("numbers") or ""
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if time and time > 0 then
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minetest.get_node_timer(pos):start(time)
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end
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techage.send_multi(own_num, numbers, "on")
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return own_num == numbers
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end
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function techage.logic.send_cmnd(pos, meta, cmnd, payload, time)
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local own_num = meta:get_string("node_number") or ""
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local numbers = meta:get_string("numbers") or ""
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if time and time > 0 then
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minetest.get_node_timer(pos):start(time)
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end
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techage.send_multi(own_num, numbers, cmnd, payload)
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end
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function techage.logic.send_off(pos, meta)
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local own_num = meta:get_string("node_number") or ""
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local numbers = meta:get_string("numbers") or ""
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techage.send_multi(own_num, numbers, "off")
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end
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function techage.logic.infotext(meta, descr, text)
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local own_num = meta:get_string("node_number") or ""
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local numbers = meta:get_string("numbers") or ""
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if numbers ~= "" then
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meta:set_string("infotext", descr.." "..own_num..": "..S("connected with").." "..numbers)
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elseif text then
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meta:set_string("infotext", descr.." "..own_num..": "..text)
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else
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meta:set_string("infotext", descr.." "..own_num)
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end
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end
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function techage.logic.set_numbers(pos, numbers, player_name, descr)
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if techage.check_numbers(numbers, player_name) then
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local meta = M(pos)
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meta:set_string("numbers", numbers)
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techage.logic.infotext(meta, descr)
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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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