645 lines
18 KiB
Lua
645 lines
18 KiB
Lua
EEPROM_SIZE = 255
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for a = 0, 1 do
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for b = 0, 1 do
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for c = 0, 1 do
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for d = 0, 1 do
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local nodename = "mesecons_microcontroller:microcontroller"..tostring(d)..tostring(c)..tostring(b)..tostring(a)
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if tostring(d)..tostring(c)..tostring(b)..tostring(a) ~= "0000" then
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groups = {dig_immediate=2, not_in_creative_inventory=1, mesecon = 2}
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else
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groups = {dig_immediate=2, mesecon = 2}
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end
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minetest.register_node(nodename, {
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description = "Microcontroller",
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drawtype = "nodebox",
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tiles = {
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"jeija_microcontroller_top_"..tostring(d)..tostring(c)..tostring(b)..tostring(a)..".png",
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"jeija_microcontroller_sides.png",
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},
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--inventory_image = "jeija_microcontroller_top_0000.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 = groups,
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material = minetest.digprop_constanttime(1.0),
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drop = '"mesecons_microcontroller:microcontroller0000" 1',
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selection_box = {
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type = "fixed",
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fixed = { -8/16, -8/16, -8/16, 8/16, -4/16, 8/16 },
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},
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node_box = {
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type = "fixed",
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fixed = {
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{ -8/16, -8/16, -8/16, 8/16, -6/16, 8/16 }, -- bottom slab
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{ -5/16, -6/16, -5/16, 5/16, -5/16, 5/16 }, -- circuit board
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{ -3/16, -5/16, -3/16, 3/16, -4/16, 3/16 }, -- IC
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}
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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[9,2.5]"..
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"field[0.256,-0.2;9,2;code;Code:;]"..
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"button[0 ,0.2;1.5,3;band;AND]"..
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"button[1.5,0.2;1.5,3;bxor;XOR]"..
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"button[3 ,0.2;1.5,3;bnot;NOT]"..
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"button[4.5,0.2;1.5,3;bnand;NAND]"..
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"button[6 ,0.2;1.5,3;btflop;T-Flop]"..
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"button[7.5,0.2;1.5,3;brsflop;RS-Flop]"..
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"button_exit[3.5,1;2,3;program;Program]")
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meta:set_string("infotext", "Unprogrammed Microcontroller")
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meta:set_int("heat", 0)
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local r = ""
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for i=1, EEPROM_SIZE+1 do r=r.."0" end --Generate a string with EEPROM_SIZE*"0"
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meta:set_string("eeprom", r)
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end,
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on_receive_fields = function(pos, formanme, fields, sender)
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local meta = minetest.env:get_meta(pos)
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if fields.band then
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fields.code = "sbi(C, A&B) :A and B are inputs, C is output"
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elseif fields.bxor then
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fields.code = "sbi(C, A~B) :A and B are inputs, C is output"
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elseif fields.bnot then
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fields.code = "sbi(B, !A) :A is input, B is output"
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elseif fields.bnand then
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fields.code = "sbi(C, !A|!B) :A and B are inputs, C is output"
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elseif fields.btflop then
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fields.code = "if(A)sbi(1,1); if(!A&B)off(B)sbi(1,0); if(!A&!B)on(B)sbi(1,0); :A is input, B is output (Q), toggles with falling edge"
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elseif fields.brsflop then
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fields.code = "if(A)on(C);if(B)off(C); :A is S (Set), B is R (Reset), C is output (R dominates)"
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elseif fields.program then --nothing
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else return nil end
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meta:set_string("code", fields.code)
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meta:set_string("formspec", "size[9,2.5]"..
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"field[0.256,-0.2;9,2;code;Code:;"..fields.code.."]"..
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"button[0 ,0.2;1.5,3;band;AND]"..
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"button[1.5,0.2;1.5,3;bxor;XOR]"..
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"button[3 ,0.2;1.5,3;bnot;NOT]"..
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"button[4.5,0.2;1.5,3;bnand;NAND]"..
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"button[6 ,0.2;1.5,3;btflop;T-Flop]"..
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"button[7.5,0.2;1.5,3;brsflop;RS-Flop]"..
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"button_exit[3.5,1;2,3;program;Program]")
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meta:set_string("infotext", "Programmed Microcontroller")
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meta:set_int("heat", 0)
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yc_reset (pos)
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update_yc(pos)
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end,
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})
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local rules={}
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if (a == 1) then table.insert(rules, {x = -1, y = 0, z = 0}) end
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if (b == 1) then table.insert(rules, {x = 0, y = 0, z = 1}) end
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if (c == 1) then table.insert(rules, {x = 1, y = 0, z = 0}) end
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if (d == 1) then table.insert(rules, {x = 0, y = 0, z = -1}) end
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mesecon:add_rules(nodename, rules)
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if nodename ~= "mesecons_microcontroller:microcontroller0000" then
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mesecon:add_receptor_node(nodename, rules)
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else
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mesecon:add_receptor_node_off(nodename)
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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_craft({
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output = 'craft "mesecons_microcontroller:microcontroller0000" 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 yc_reset(pos)
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yc_action(pos, {a=false, b=false, c=false, d=false})
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local meta = minetest.env:get_meta(pos)
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local r = ""
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for i=1, EEPROM_SIZE+1 do r=r.."0" end --Generate a string with EEPROM_SIZE*"0"
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meta:set_string("eeprom", r)
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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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yc_heat(meta)
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minetest.after(0.5, yc_cool, meta)
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if (yc_overheat(meta)) then
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minetest.env:remove_node(pos)
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minetest.after(0.2, yc_overheat_off, pos) --wait for pending parsings
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minetest.env:add_item(pos, "mesecons_microcontroller:microcontroller0000")
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end
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local code = meta:get_string("code")
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code = yc_code_remove_commentary(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", "Working Microcontroller")
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end
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end
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--Code Parsing
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function yc_code_remove_commentary(code)
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is_string = false
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for i = 1, #code do
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if code:sub(i, i) == '"' then
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is_string = (is_string==false) --toggle is_string
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end
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if code:sub(i, i) == ":" and is_string==false then
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return code:sub(1, i-1)
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end
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end
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return code
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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 Lreal = yc_get_real_portstates(pos)
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local Lvirtual = yc_get_virtual_portstates(pos)
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if Lvirtual == nil then return nil end
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local c
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local eeprom = minetest.env:get_meta(pos):get_string("eeprom")
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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 --end of code
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if command == "if" then
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r, endi = yc_command_if(code, endi, yc_merge_portstates(Lreal, Lvirtual), eeprom)
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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_new = yc_skip_to_else (code, endi)
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if endi_new == nil then --else > not found
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endi = yc_skip_to_endif(code, endi)
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else
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endi = endi_new
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end
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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, Lvirtual)
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elseif command == "off" then
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L = yc_command_off(params, Lvirtual)
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elseif command == "print" then
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su = yc_command_print(params, eeprom, yc_merge_portstates(Lreal, Lvirtual))
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if su ~= true then return nil end
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elseif command == "sbi" then
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new_eeprom, Lvirtual = yc_command_sbi (params, eeprom, yc_merge_portstates(Lreal, Lvirtual), Lvirtual)
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if new_eeprom == nil then return nil
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else eeprom = new_eeprom end
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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 Lvirtual == nil then return nil end
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if eeprom == nil then return nil else
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minetest.env:get_meta(pos):set_string("eeprom", eeprom) end
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end
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yc_action(pos, Lvirtual)
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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 == "(" 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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if s == ";" and starti == i then
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starti = starti + 1
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i = starti
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elseif s == ">" then
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starti = yc_skip_to_endif(code, starti)
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if starti == nil then return nil end
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i = starti
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else
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i = i + 1
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end
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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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local is_string = false
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while s ~= "" do
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s = string.sub(code, i, i)
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if code:sub(i, i) == '"' then
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is_string = (is_string==false) --toggle is_string
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end
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if s == ")" and is_string == false 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 == "," and is_string == false 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_parse_get_eeprom_param(cond, starti)
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i = starti
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s = nil
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local addr
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while s ~= "" do
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s = string.sub(cond, i, i)
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if string.find("0123456789", s) == nil or s == "" then
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addr = string.sub(cond, starti, i-1) -- i: last number i+1 after last number
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return addr, i
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end
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if s == "," then return nil, nil 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_skip_to_endif(code, starti)
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local i = starti
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local s = false
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local open_ifs = 1
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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 == "i" and code:sub(i+1, i+1) == "f" then --if in µCScript
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open_ifs = open_ifs + 1
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end
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if s == ";" then
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open_ifs = open_ifs - 1
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end
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if open_ifs == 0 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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function yc_skip_to_else(code, starti)
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local i = starti
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local s = false
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local open_ifs = 1
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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 == "i" and code:sub(i+1, i+1) == "f" then --if in µCScript
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open_ifs = open_ifs + 1
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end
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if s == ";" then
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open_ifs = open_ifs - 1
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end
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if open_ifs == 1 and 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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--Commands
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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_print(params, eeprom, L)
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local s = ""
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for i, param in ipairs(params) do
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if param:sub(1,1) == '"' and param:sub(#param, #param) == '"' then
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s = s..param:sub(2, #param-1)
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else
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r = yc_command_parsecondition(param, L, eeprom)
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if r == "1" or r == "0" then
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s = s..r
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else return nil end
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end
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end
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print(s) --don't remove
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return true
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end
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function yc_command_sbi(params, eeprom, L, Lv)
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if params[1]==nil or params[2]==nil or params[3] ~=nil then return nil end
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local status = yc_command_parsecondition(params[2], L, eeprom)
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if status == nil then return nil, nil end
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if string.find("ABCD", params[1])~=nil and #params[1]==1 then --is a port
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if status == "1" then
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Lv = yc_set_portstate (params[1], true, Lv)
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else
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Lv = yc_set_portstate (params[1], false, Lv)
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end
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return eeprom, Lv;
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end
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--is an eeprom address
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new_eeprom = "";
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for i=1, #eeprom do
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if tonumber(params[1])==i then
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new_eeprom = new_eeprom..status
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else
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new_eeprom = new_eeprom..eeprom:sub(i, i)
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end
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end
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return new_eeprom, Lv
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end
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--If
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function yc_command_if(code, starti, L, eeprom)
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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 = yc_command_parsecondition(cond, L, eeprom)
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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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if result == nil then 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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--Condition parsing
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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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local brackets = 1 --1 Bracket to close
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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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brackets = brackets - 1
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end
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if s == "(" then
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brackets = brackets + 1
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end
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if brackets == 0 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_command_parsecondition(cond, L, eeprom)
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cond = string.gsub(cond, "A", tonumber(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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local i = 1
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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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if s == "#" then
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addr, endi = yc_parse_get_eeprom_param(cond, i+1)
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buf = yc_eeprom_read(tonumber(addr), eeprom)
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if buf == nil then return nil end
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local call = cond:sub(i, endi-1)
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cond = string.gsub(cond, call, buf)
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i = 0
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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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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 cond:sub(i+1, i+1) == nil then break end
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if s == "=" then
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if a==nil then return nil end
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if a == b then buf = "1" end
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if a ~= b 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 cond:sub(i+1, i+1) == nil then break end
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if s == "&" then
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if a==nil then return nil end
|
|
local buf = ((a==1) and (b==1))
|
|
if buf == true then buf = "1" end
|
|
if buf == false then buf = "0" end
|
|
cond = string.gsub(cond, b..s..a, buf)
|
|
i = 1
|
|
l = string.len(cond)
|
|
end
|
|
if s == "|" then
|
|
if a==nil then return nil end
|
|
local buf = ((a == 1) or (b == 1))
|
|
if buf == true then buf = "1" end
|
|
if buf == false then buf = "0" end
|
|
cond = string.gsub(cond, b..s..a, buf)
|
|
i = 1
|
|
l = string.len(cond)
|
|
end
|
|
if s == "~" then
|
|
if a==nil then return nil end
|
|
local buf = (((a == 1) or (b == 1)) and not((a==1) and (b==1)))
|
|
if buf == true then buf = "1" end
|
|
if buf == false then buf = "0" end
|
|
cond = string.gsub(cond, b..s..a, buf)
|
|
i = 1
|
|
l = string.len(cond)
|
|
end
|
|
i = i + 1
|
|
end
|
|
|
|
return cond
|
|
end
|
|
|
|
--Virtual-Hardware functions
|
|
function yc_eeprom_read(number, eeprom)
|
|
if number == nil then return nil, nil end
|
|
value = eeprom:sub(number, number)
|
|
if value == nil then return nil, nil end
|
|
return value, endi
|
|
end
|
|
|
|
--Real I/O functions
|
|
function yc_action(pos, L) --L-->Lvirtual
|
|
Lv = yc_get_virtual_portstates(pos)
|
|
local meta = minetest.env:get_meta(pos)
|
|
local code = meta:get_string("code")
|
|
local heat = meta:get_int("heat")
|
|
local eeprom = meta:get_string("eeprom")
|
|
local infotext = meta:get_string("infotext")
|
|
local formspec = meta:get_string("formspec")
|
|
local name = "mesecons_microcontroller:microcontroller"
|
|
..tonumber(L.d and 1 or 0)
|
|
..tonumber(L.c and 1 or 0)
|
|
..tonumber(L.b and 1 or 0)
|
|
..tonumber(L.a and 1 or 0)
|
|
minetest.env:add_node(pos, {name=name})
|
|
local meta = minetest.env:get_meta(pos)
|
|
meta:set_string("code", code)
|
|
meta:set_int("heat", heat)
|
|
meta:set_string("eeprom", eeprom)
|
|
meta:set_string("infotext", infotext)
|
|
meta:set_string("formspec", formspec)
|
|
|
|
yc_action_setports(pos, L, Lv)
|
|
end
|
|
|
|
function yc_action_setports(pos, L, Lv)
|
|
local name = "mesecons_microcontroller:microcontroller"
|
|
local rules
|
|
if Lv.a ~= L.a then
|
|
rules = mesecon:get_rules(name.."0001")
|
|
if L.a == true then mesecon:receptor_on(pos, rules)
|
|
else mesecon:receptor_off(pos, rules) end
|
|
end
|
|
if Lv.b ~= L.b then
|
|
rules = mesecon:get_rules(name.."0010")
|
|
if L.b == true then mesecon:receptor_on(pos, rules)
|
|
else mesecon:receptor_off(pos, rules) end
|
|
end
|
|
if Lv.c ~= L.c then
|
|
rules = mesecon:get_rules(name.."0100")
|
|
if L.c == true then mesecon:receptor_on(pos, rules)
|
|
else mesecon:receptor_off(pos, rules) end
|
|
end
|
|
if Lv.d ~= L.d then
|
|
rules = mesecon:get_rules(name.."1000")
|
|
if L.d == true then mesecon:receptor_on(pos, rules)
|
|
else mesecon:receptor_off(pos, rules) end
|
|
end
|
|
end
|
|
|
|
function yc_set_portstate(port, state, L)
|
|
if port == "A" then L.a = state
|
|
elseif port == "B" then L.b = state
|
|
elseif port == "C" then L.c = state
|
|
elseif port == "D" then L.d = state
|
|
else return nil end
|
|
return L
|
|
end
|
|
|
|
function yc_get_real_portstates(pos)
|
|
rulesA = mesecon:get_rules("mesecons_microcontroller:microcontroller0001")
|
|
rulesB = mesecon:get_rules("mesecons_microcontroller:microcontroller0010")
|
|
rulesC = mesecon:get_rules("mesecons_microcontroller:microcontroller0100")
|
|
rulesD = mesecon:get_rules("mesecons_microcontroller:microcontroller1000")
|
|
L = {
|
|
a = mesecon:is_power_on({x=pos.x+rulesA[1].x, y=pos.y+rulesA[1].y, z=pos.z+rulesA[1].z}),
|
|
b = mesecon:is_power_on({x=pos.x+rulesB[1].x, y=pos.y+rulesB[1].y, z=pos.z+rulesB[1].z}),
|
|
c = mesecon:is_power_on({x=pos.x+rulesC[1].x, y=pos.y+rulesC[1].y, z=pos.z+rulesC[1].z}),
|
|
d = mesecon:is_power_on({x=pos.x+rulesD[1].x, y=pos.y+rulesD[1].y, z=pos.z+rulesD[1].z})
|
|
}
|
|
return L
|
|
end
|
|
|
|
function yc_get_virtual_portstates(pos)
|
|
name = minetest.env:get_node(pos).name
|
|
b, a = string.find(name, ":microcontroller")
|
|
if a == nil then return nil end
|
|
a = a + 1
|
|
|
|
Lvirtual = {a=false, b=false, c=false, d=false}
|
|
if name:sub(a , a ) == "1" then Lvirtual.d = true end
|
|
if name:sub(a+1, a+1) == "1" then Lvirtual.c = true end
|
|
if name:sub(a+2, a+2) == "1" then Lvirtual.b = true end
|
|
if name:sub(a+3, a+3) == "1" then Lvirtual.a = true end
|
|
return Lvirtual
|
|
end
|
|
|
|
function yc_merge_portstates(Lreal, Lvirtual)
|
|
local L = {a=false, b=false, c=false, d=false}
|
|
if Lvirtual.a or Lreal.a then L.a = true end
|
|
if Lvirtual.b or Lreal.b then L.b = true end
|
|
if Lvirtual.c or Lreal.c then L.c = true end
|
|
if Lvirtual.d or Lreal.d then L.d = true end
|
|
return L
|
|
end
|
|
|
|
--"Overheat" protection
|
|
function yc_heat(meta)
|
|
h = meta:get_int("heat")
|
|
if h ~= nil then
|
|
meta:set_int("heat", h + 1)
|
|
end
|
|
end
|
|
|
|
function yc_cool(meta)
|
|
h = meta:get_int("heat")
|
|
if h ~= nil then
|
|
meta:set_int("heat", h - 1)
|
|
end
|
|
end
|
|
|
|
function yc_overheat(meta)
|
|
h = meta:get_int("heat")
|
|
if h == nil then return true end -- if nil the overheat
|
|
if h>30 then
|
|
return true
|
|
else
|
|
return false
|
|
end
|
|
end
|
|
|
|
function yc_overheat_off(pos)
|
|
rules = mesecon:get_rules("mesecons_microcontroller:microcontroller1111")
|
|
mesecon:receptor_off(pos, rules);
|
|
end
|
|
|
|
mesecon:register_on_signal_change(function(pos, node)
|
|
if string.find(node.name, "mesecons_microcontroller:microcontroller")~=nil then
|
|
update_yc(pos)
|
|
end
|
|
end)
|
|
|
|
minetest.register_on_dignode(function(pos, node)
|
|
if string.find(node.name, "mesecons_microcontroller:microcontroller") then
|
|
rules = mesecon:get_rules(node.name)
|
|
mesecon:receptor_off(pos, rules)
|
|
end
|
|
end)
|