forked from minetest-mods/mesecons
322 lines
8.8 KiB
Lua
322 lines
8.8 KiB
Lua
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minetest.register_node("mesecons_microcontroller:microcontroller", {
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description = "Microcontroller",
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drawtype = "nodebox",
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tiles = {"jeija_ic.png"},
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inventory_image = {"jeija_ic.png"},
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sunlight_propagates = true,
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paramtype = "light",
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walkable = true,
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groups = {dig_immediate=2},
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material = minetest.digprop_constanttime(1.0),
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selection_box = {
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type = "fixed",
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fixed = {-0.5, -0.5, -0.5, 0.5, -0.35, 0.5},
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},
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node_box = {
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type = "fixed",
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fixed = {-0.5, -0.5, -0.5, 0.5, -0.35, 0.5},
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},
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on_construct = function(pos)
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local meta = minetest.env:get_meta(pos)
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meta:set_string("code", "")
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meta:set_string("formspec", "size[8,2]"..
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"field[0.256,0.5;8,1;code;Code:;]"..
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"button_exit[3,0.5;2,2;program;Program]")
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meta:set_string("infotext", "Unprogrammed Microcontroller")
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end,
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on_receive_fields = function(pos, formanme, fields, sender)
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if fields.program then
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local meta = minetest.env:get_meta(pos)
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meta:set_string("infotext", "Programmed Microcontroller")
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meta:set_string("code", fields.code)
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meta:set_string("formspec", "size[8,2]"..
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"field[0.256,0.5;8,1;code;Code:;"..fields.code.."]"..
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"button_exit[3,0.5;2,2;program;Program]")
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reset_yc (pos)
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update_yc(pos)
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end
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end
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})
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minetest.register_craft({
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output = 'craft "mesecons_microcontroller:microcontroller" 2',
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recipe = {
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{'mesecons_materials:silicon', 'mesecons_materials:silicon', 'mesecons:mesecon_off'},
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{'mesecons_materials:silicon', 'mesecons_materials:silicon', 'mesecons:mesecon_off'},
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{'mesecons:mesecon_off', 'mesecons:mesecon_off', ''},
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}
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})
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function reset_yc(pos)
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mesecon:receptor_off(pos, mesecon:get_rules("microcontrollerA"))
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mesecon:receptor_off(pos, mesecon:get_rules("microcontrollerB"))
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mesecon:receptor_off(pos, mesecon:get_rules("microcontrollerC"))
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mesecon:receptor_off(pos, mesecon:get_rules("microcontrollerD"))
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end
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function update_yc(pos)
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local meta = minetest.env:get_meta(pos)
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local code = meta:get_string("code")
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code = string.gsub(code, " ", "") --Remove all spaces
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code = string.gsub(code, " ", "") --Remove all tabs
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if parse_yccode(code, pos) == nil then
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meta:set_string("infotext", "Code not valid!")
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else
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meta:set_string("infotext", "Programmed Microcontroller")
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end
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end
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function parse_yccode(code, pos)
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local endi = 1
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local L = yc_get_portstates(pos)
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local c
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while true do
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command, endi = parse_get_command(code, endi)
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if command == nil then return nil end
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if command == true then break end
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if command == "if" then
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r, endi = yc_command_if(code, endi, L)
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if r == nil then return nil end
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if r == true then -- nothing
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elseif r == false then
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endi = yc_skip_to_endif(code, endi)
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if endi == nil then return nil end
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end
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else
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params, endi = parse_get_params(code, endi)
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if params == nil then return nil end
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end
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if command == "on" then
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L = yc_command_on (params, L)
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elseif command == "off" then
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L = yc_command_off(params, L)
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elseif command == "if" then --nothing
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else
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return nil
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end
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if L == nil then return nil end
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end
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yc_action(pos, L)
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return true
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end
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function parse_get_command(code, starti)
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i = starti
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s = nil
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while s ~= "" do
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s = string.sub(code, i, i)
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if s == ";" and starti == i then
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starti = starti + 1
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i = starti
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s = string.sub(code, i, i)
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end
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if s == "(" then
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return string.sub(code, starti, i-1), i + 1 -- i: ( i+1 after (
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end
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i = i + 1
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end
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if starti == i-1 then
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return true, true
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end
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return nil, nil
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end
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function parse_get_params(code, starti)
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i = starti
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s = nil
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local params = {}
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while s ~= "" do
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s = string.sub(code, i, i)
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if s == ")" then
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table.insert(params, string.sub(code, starti, i-1)) -- i: ) i+1 after )
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return params, i + 1
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end
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if s == "," then
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table.insert(params, string.sub(code, starti, i-1)) -- i: ) i+1 after )
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starti = i + 1
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end
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i = i + 1
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end
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return nil, nil
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end
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function yc_command_on(params, L)
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local rules = {}
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for i, port in ipairs(params) do
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L = yc_set_portstate (port, true, L)
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end
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return L
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end
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function yc_command_off(params, L)
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local rules = {}
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for i, port in ipairs(params) do
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L = yc_set_portstate (port, false, L)
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end
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return L
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end
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function yc_command_if(code, starti, L)
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local cond, endi = yc_command_if_getcondition(code, starti)
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if cond == nil then return nil end
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cond = string.gsub(cond, "A", tostring(L.a and 1 or 0))
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cond = string.gsub(cond, "B", tonumber(L.b and 1 or 0))
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cond = string.gsub(cond, "C", tonumber(L.c and 1 or 0))
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cond = string.gsub(cond, "D", tonumber(L.d and 1 or 0))
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cond = string.gsub(cond, "!0", "1")
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cond = string.gsub(cond, "!1", "0")
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local i = 2
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local l = string.len(cond)
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while i<=l do
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local s = cond:sub(i,i)
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local b = tonumber(cond:sub(i-1, i-1))
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local a = tonumber(cond:sub(i+1, i+1))
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if a == nil then break end
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if s == "&" then
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local buf = ((a==1) and (b==1))
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if buf == true then buf = "1" end
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if buf == false then buf = "0" end
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cond = string.gsub(cond, b..s..a, buf)
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i = 1
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l = string.len(cond)
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end
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if s == "|" then
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local buf = ((a == 1) or (b == 1))
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if buf == true then buf = "1" end
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if buf == false then buf = "0" end
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cond = string.gsub(cond, b..s..a, buf)
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i = 1
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l = string.len(cond)
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end
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if s == "~" then
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local buf = (((a == 1) or (b == 1)) and not((a==1) and (b==1)))
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if buf == true then buf = "1" end
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if buf == false then buf = "0" end
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cond = string.gsub(cond, b..s..a, buf)
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i = 1
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l = string.len(cond)
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end
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i = i + 1
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end
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local i = 2
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local l = string.len(cond)
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while i<=l do
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local s = cond:sub(i,i)
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local b = tonumber(cond:sub(i-1, i-1))
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local a = tonumber(cond:sub(i+1, i+1))
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if a == nil then break end
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if s == "=" then
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cond = string.gsub(cond, b..s..a, tostring(a == b))
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i = 1
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l = string.len(cond)
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end
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i = i + 1
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end
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if cond == "0" then result = false
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elseif cond == "1" then result = true
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else result = nil end
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return result, endi --endi from local cond, endi = yc_command_if_getcondition(code, starti)
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end
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function yc_command_if_getcondition(code, starti)
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i = starti
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s = nil
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while s ~= "" do
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s = string.sub(code, i, i)
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if s == ")" then
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return string.sub(code, starti, i-1), i + 1 -- i: (; i+1 after (;
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end
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i = i + 1
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end
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return nil, nil
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end
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function yc_get_port_rules(port)
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local rules = nil
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if port == "A" then
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rules = mesecon:get_rules("microcontrollerA")
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elseif port == "B" then
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rules = mesecon:get_rules("microcontrollerB")
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elseif port == "C" then
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rules = mesecon:get_rules("microcontrollerC")
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elseif port == "D" then
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rules = mesecon:get_rules("microcontrollerD")
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end
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return rules
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end
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function yc_action(pos, L)
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yc_action_setport("A", L.a, pos)
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yc_action_setport("B", L.b, pos)
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yc_action_setport("C", L.c, pos)
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yc_action_setport("D", L.d, pos)
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end
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function yc_action_setport(port, state, pos)
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local rules = mesecon:get_rules("microcontroller"..port)
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if state == false then
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if mesecon:is_power_on({x=pos.x+rules[1].x, y=pos.y+rules[1].y, z=pos.z+rules[1].z}) then
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mesecon:turnoff(pos, rules[1].x, rules[1].y, rules[1].z, false)
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end
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elseif state == true then
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if mesecon:is_power_off({x=pos.x+rules[1].x, y=pos.y+rules[1].y, z=pos.z+rules[1].z}) then
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mesecon:turnon(pos, rules[1].x, rules[1].y, rules[1].z, false)
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end
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end
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end
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function yc_set_portstate(port, state, L)
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if port == "A" then L.a = state
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elseif port == "B" then L.b = state
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elseif port == "C" then L.c = state
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elseif port == "D" then L.d = state
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else return nil end
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return L
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end
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function yc_get_portstates(pos)
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rulesA = mesecon:get_rules("microcontrollerA")
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rulesB = mesecon:get_rules("microcontrollerB")
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rulesC = mesecon:get_rules("microcontrollerC")
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rulesD = mesecon:get_rules("microcontrollerD")
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local L = {
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a = mesecon:is_power_on({x=pos.x+rulesA[1].x, y=pos.y+rulesA[1].y, z=pos.z+rulesA[1].z}),
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b = mesecon:is_power_on({x=pos.x+rulesB[1].x, y=pos.y+rulesB[1].y, z=pos.z+rulesB[1].z}),
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c = mesecon:is_power_on({x=pos.x+rulesC[1].x, y=pos.y+rulesC[1].y, z=pos.z+rulesC[1].z}),
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d = mesecon:is_power_on({x=pos.x+rulesD[1].x, y=pos.y+rulesD[1].y, z=pos.z+rulesD[1].z})
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}
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return L
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end
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function yc_skip_to_endif(code, starti)
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local i = starti
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local s = false
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while s ~= nil and s~= "" do
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s = code:sub(i, i)
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if s == ";" then
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return i + 1
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end
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i = i + 1
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end
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return nil
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end
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mesecon:register_on_signal_change(function(pos, node)
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if node.name == "mesecons_microcontroller:microcontroller" then
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minetest.after(0.5, update_yc, pos)
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end
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end)
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mesecon:add_rules("microcontrollerA", {{x = -1, y = 0, z = 0}})
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mesecon:add_rules("microcontrollerB", {{x = 0, y = 0, z = 1}})
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mesecon:add_rules("microcontrollerC", {{x = 1, y = 0, z = 0}})
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mesecon:add_rules("microcontrollerD", {{x = 0, y = 0, z = -1}})
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mesecon:add_rules("microcontroller_default", {})
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mesecon:add_receptor_node("mesecons_microcontroller:microcontroller", mesecon:get_rules("microcontroller_default"))
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mesecon:add_receptor_node("mesecons_microcontroller:microcontroller", mesecon:get_rules("microcontroller_default"))
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