rudimentary multi-tube string support
digiline_send(channel, "some string") will now echo "some string" to all alphanumeric tubes in a lineup, so long as they all face the same way, starting from the nixie the LuaC is connected to, going left to right. The other tubes in the line do not need to be connected to anything - think of them as being connected toghether internally. The string will spread until either a tube is found that faces the wrong way, or it has a channel that's not empty/nil and is set to something other than what the first is set to, or if a node is encountered that is not an alpha-numeric tube at all. Tubes to the left of the connected one are ignored; you can put multiple lines of tubes side by side, so long as each tube that starts each line has a unique channel. The string is padded with spaces and trimmed to 64 chars. Special messages: "off_multi" turns all tubes in the lineup off "allon_multi" turns on all anode segments of all tubes in the lineup. Note that the existing messages "get" and "getstr" will only read the one character from the first, connected tube, not the others in the lineup.master
Vanessa Dannenberg
parent
a345d6412c
commit
83dced745d
81
init.lua
81
init.lua
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@ -350,30 +350,73 @@ local alnum_chars = {
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{ string.char(129), { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } }, -- "cursor" segment
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}
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local fdir_to_right = {
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{ 1, 0 },
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{ 0, -1 },
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{ -1, 0 },
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{ 0, 1 },
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}
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local padding = " "
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local allon = string.char(128)
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for i = 1, 64 do
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padding = padding.." "
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allon = allon..string.char(128)
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end
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local display_string = function(pos, channel, string)
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if string == "off_multi" then
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string = ""
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elseif string == "allon_multi" then
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string = allon
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end
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local padded_string = string.sub(string..padding, 1, 64)
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local fdir = minetest.get_node(pos).param2 % 4
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local pos2 = pos
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for i = 1, 64 do
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local node = minetest.get_node(pos2)
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local meta = minetest.get_meta(pos2)
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local setchan = meta:get_string("channel")
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if not string.match(node.name, "nixie_tubes:alnum_") or (setchan ~= nil and setchan ~= "" and setchan ~= channel) then break end
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local asc = string.byte(padded_string, i, i)
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if node.param2 == fdir and asc > 31 and alnum_chars[asc - 31] then
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minetest.swap_node(pos2, { name = "nixie_tubes:alnum_"..asc, param2 = node.param2})
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end
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pos2.x = pos2.x + fdir_to_right[fdir+1][1]
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pos2.z = pos2.z + fdir_to_right[fdir+1][2]
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end
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end
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local on_digiline_receive_alnum = function(pos, node, channel, msg)
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local meta = minetest.get_meta(pos)
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local setchan = meta:get_string("channel")
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if setchan ~= channel then return end
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if msg and msg ~= "" and type(msg) == "string" then
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local asc = string.byte(msg)
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if msg == "off" then
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minetest.swap_node(pos, { name = "nixie_tubes:alnum_32", param2 = node.param2})
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elseif msg == "colon" then
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minetest.swap_node(pos, { name = "nixie_tubes:alnum_58", param2 = node.param2})
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elseif msg == "period" then
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minetest.swap_node(pos, { name = "nixie_tubes:alnum_46", param2 = node.param2})
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elseif msg == "del" then
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minetest.swap_node(pos, { name = "nixie_tubes:alnum_127", param2 = node.param2})
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elseif msg == "allon" then
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minetest.swap_node(pos, { name = "nixie_tubes:alnum_128", param2 = node.param2})
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elseif msg == "cursor" then
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minetest.swap_node(pos, { name = "nixie_tubes:alnum_129", param2 = node.param2})
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elseif asc > 31 and alnum_chars[asc - 31] then
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minetest.swap_node(pos, { name = "nixie_tubes:alnum_"..asc, param2 = node.param2})
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elseif msg == "get" then -- get value as ASCII numerical value
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digiline:receptor_send(pos, digiline.rules.default, channel, tonumber(string.match(minetest.get_node(pos).name,"nixie_tubes:alnum_(.+)"))) -- wonderfully horrible string manipulaiton
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elseif msg == "getstr" then -- get actual char
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digiline:receptor_send(pos, digiline.rules.default, channel, string.char(tonumber(string.match(minetest.get_node(pos).name,"nixie_tubes:alnum_(.+)"))))
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if string.len(msg) > 1 then
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if msg == "off" then
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minetest.swap_node(pos, { name = "nixie_tubes:alnum_32", param2 = node.param2})
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elseif msg == "colon" then
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minetest.swap_node(pos, { name = "nixie_tubes:alnum_58", param2 = node.param2})
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elseif msg == "period" then
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minetest.swap_node(pos, { name = "nixie_tubes:alnum_46", param2 = node.param2})
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elseif msg == "del" then
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minetest.swap_node(pos, { name = "nixie_tubes:alnum_127", param2 = node.param2})
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elseif msg == "allon" then
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minetest.swap_node(pos, { name = "nixie_tubes:alnum_128", param2 = node.param2})
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elseif msg == "cursor" then
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minetest.swap_node(pos, { name = "nixie_tubes:alnum_129", param2 = node.param2})
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else
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display_string(pos, channel, msg)
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end
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else
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local asc = string.byte(msg)
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if asc > 31 and alnum_chars[asc - 31] then
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minetest.swap_node(pos, { name = "nixie_tubes:alnum_"..asc, param2 = node.param2})
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elseif msg == "get" then -- get value as ASCII numerical value
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digiline:receptor_send(pos, digiline.rules.default, channel, tonumber(string.match(minetest.get_node(pos).name,"nixie_tubes:alnum_(.+)"))) -- wonderfully horrible string manipulaiton
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elseif msg == "getstr" then -- get actual char
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digiline:receptor_send(pos, digiline.rules.default, channel, string.char(tonumber(string.match(minetest.get_node(pos).name,"nixie_tubes:alnum_(.+)"))))
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end
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end
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elseif msg and type(msg) == "number" then
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if msg == 0 then
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