Create CLI
....I forgot to commit, didn't I?
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7 changed files with 241 additions and 125 deletions
4
.gitignore
vendored
4
.gitignore
vendored
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@ -1,4 +1,6 @@
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*.png
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*.scad
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*.blend1
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# Created by https://www.gitignore.io/api/lua,git
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# Edit at https://www.gitignore.io/?templates=lua,git
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118
main.lua
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118
main.lua
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@ -0,0 +1,118 @@
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local strings = require("./utils/strings")
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local debug = require("./utils/print_r")
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local maze2d = require("./maze")
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local maze3d = require("./maze3d")
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local openscad = require("./openscad")
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local settings = {
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mode = "help",
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extras = {},
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width = 11,
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height = 11,
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depth = 7,
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filename = "maze.scad"
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}
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for i=1,#arg do
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if not strings.starts_with(arg[i], "-") then
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table.insert(settings.extras, arg[i])
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elseif string.match(arg[i], "--width") or string.match(arg[i], "-w") then
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i = i + 1
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settings.width = tonumber(arg[i])
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elseif string.match(arg[i], "--height") or string.match(arg[i], "-h") then
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i = i + 1
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settings.height = tonumber(arg[i])
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elseif string.match(arg[i], "--depth") or string.match(arg[i], "-d") then
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i = i + 1
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settings.depth = tonumber(arg[i])
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elseif string.match(arg[i], "--seed") or string.match(arg[i], "-s") then
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i = i + 1
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settings.seed = tonumber(arg[i])
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elseif string.match(arg[i], "--filename") or string.match(arg[i], "-f") then
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i = i + 1
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settings.filename = arg[i]
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end
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end
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if #settings.extras > 0 then
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settings.mode = table.remove(settings.extras, 1)
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end
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local function help()
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print([[
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multimaze: Multidimensional maze generator
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By Starbeamrainbowlabs
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Usage:
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lua main.lua {mode} [{options}]
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Modes:
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help Displays this message
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maze Generates a 2d maze
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maze3d Generates a 3d maze
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maze3d_openscad Generates a 3d maze as an openscad file
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Options:
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-w --width Sets the width of the maze
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-h --height Sets the height of the maze
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-d --depth Sets the depth of the maze (only applicable to 3d mazes)
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-s --seed Sets the seed
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-f --filename Sets the output filename
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]])
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end
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local function maze_text()
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local world, time = maze2d.generate_maze(
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os.time(),
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settings.width,
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settings.height
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)
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maze2d.printspace(world, settings.width, settings.height)
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print("Generation completed in " .. time .. "ms.")
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end
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local function maze3d_text()
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local world, time = maze3d.generate_maze(
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os.time(),
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settings.width,
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settings.height,
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settings.depth
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)
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maze3d.printspace(world, settings.width, settings.height, settings.depth)
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print("Generation completed in " .. time .. "ms.")
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end
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local function maze3d_openscad()
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local world, time = maze3d.generate_maze(
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os.time(),
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settings.width,
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settings.height,
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settings.depth
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)
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openscad.write3d(
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world,
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settings.width, settings.height, settings.depth,
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settings.filename
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)
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print("Maze written to "..settings.filename)
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end
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local mode_functions = {
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["help"] = help,
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["maze"] = maze_text,
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["maze3d"] = maze3d_text,
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["maze3d_openscad"] = maze3d_openscad
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}
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local selection = mode_functions[settings.mode]
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if not selection then
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print("Error: Unrecognised mode '"..settings.mode.."'")
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selection = mode_functions["help"]
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end
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selection()
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77
maze.lua
77
maze.lua
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@ -3,60 +3,25 @@
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-------------------------------------
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-- A test by @Starbeamrainbowlabs
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---------------------------------------------
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-- Intelligent table printing function
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---------------------------------------------
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-- From http://coronalabs.com/blog/2014/09/02/tutorial-printing-table-contents/
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local M = {}
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function print_r ( t )
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local print_r_cache={}
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local function sub_print_r(t,indent)
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if (print_r_cache[tostring(t)]) then
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print(indent.."*"..tostring(t))
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else
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print_r_cache[tostring(t)]=true
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if (type(t)=="table") then
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for pos,val in pairs(t) do
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if (type(val)=="table") then
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print(indent.."["..pos.."] => "..tostring(t).." {")
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sub_print_r(val,indent..string.rep(" ",string.len(pos)+8))
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print(indent..string.rep(" ",string.len(pos)+6).."}")
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elseif (type(val)=="string") then
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print(indent.."["..pos..'] => "'..val..'"')
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else
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print(indent.."["..pos.."] => "..tostring(val))
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end
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end
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else
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print(indent..tostring(t))
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end
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end
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end
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if (type(t)=="table") then
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print(tostring(t).." {")
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sub_print_r(t," ")
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print("}")
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else
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sub_print_r(t," ")
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end
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print()
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end
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-- Intelligent table printing function: http://coronalabs.com/blog/2014/09/02/tutorial-printing-table-contents/
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if arg[1] ~= nil then
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width = tonumber(arg[1])
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else
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width = 35
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end
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if arg[2] ~= nil then
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height = tonumber(arg[2])
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else
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height = 15
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end
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-- if arg[1] ~= nil then
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-- width = tonumber(arg[1])
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-- else
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-- width = 35
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-- end
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-- if arg[2] ~= nil then
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-- height = tonumber(arg[2])
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-- else
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-- height = 15
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-- end
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----------------------------------
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-- function to print out the world
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----------------------------------
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function printspace(space, w, h)
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function M.printspace(space, w, h)
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for y = 0, h - 1, 1 do
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local line = ""
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for x = 0, w - 1, 1 do
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end
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-- Initialise the world
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start_time = os.clock()
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function generate_maze(seed, width, height)
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function M.generate_maze(seed, width, height)
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start_time = os.clock()
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-- minetest.log("action", "width: "..width..", height: "..height)
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math.randomseed(seed) -- seed the random number generator with the system clock
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@ -151,11 +116,13 @@ function generate_maze(seed, width, height)
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--printspace(world, width, height)
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end
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return world
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end_time = os.clock()
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return world, (end_time - start_time) * 1000
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end
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local world = generate_maze(os.time(), width, height)
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-- local world, time = generate_maze(os.time(), width, height)
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-- printspace(world, width, height)
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-- print("Generation completed in " .. time .. "s.")
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printspace(world, width, height)
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end_time = os.clock()
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print("Generation completed in " .. (end_time - start_time) .. "s.")
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return M
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84
maze3d.lua
84
maze3d.lua
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-- 3D Maze generation script
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-------------------------------------
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-- A test by @Starbeamrainbowlabs
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---------------------------------------------
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-- Intelligent table printing function
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---------------------------------------------
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-- From http://coronalabs.com/blog/2014/09/02/tutorial-printing-table-contents/
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function print_r ( t )
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local print_r_cache = {}
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local function sub_print_r(t, indent)
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if (print_r_cache[tostring(t)]) then
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print(indent.."*"..tostring(t))
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else
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print_r_cache[tostring(t)] = true
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if (type(t) == "table") then
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for pos, val in pairs(t) do
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if (type(val) == "table") then
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print(indent.."["..pos.."] => "..tostring(t).." {")
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sub_print_r(val, indent..string.rep(" ", string.len(pos) + 8))
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print(indent..string.rep(" ", string.len(pos) + 6).."}")
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elseif (type(val) == "string") then
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print(indent.."["..pos..'] => "'..val..'"')
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else
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print(indent.."["..pos.."] => "..tostring(val))
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end
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end
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else
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print(indent..tostring(t))
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end
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end
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end
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if (type(t) == "table") then
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print(tostring(t).." {")
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sub_print_r(t, " ")
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print("}")
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else
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sub_print_r(t, " ")
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end
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print()
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end
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local M = {}
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if arg[1] ~= nil then
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width = tonumber(arg[1])
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----------------------------------
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-- function to print out the world
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----------------------------------
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function printspace(space, w, h, d)
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function M.printspace(space, w, h, d)
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for z = 0, d - 1, 1 do
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for y = 0, h - 1, 1 do
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local line = ""
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@ -80,9 +42,10 @@ function printspace(space, w, h, d)
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end
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-- Initialise the world
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function M.generate_maze(seed, width, height, depth)
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start_time = os.clock()
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function generate_maze3d(seed, width, height, depth)
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print("Generating maze "..width.."x"..height.."x"..depth)
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math.randomseed(seed) -- seed the random number generator with the system clock
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@ -113,7 +76,6 @@ function generate_maze3d(seed, width, height, depth)
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local directions = "" -- the different directions we can move in
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if cz - 2 > 0 and world[cz - 2][cy][cx] == "#" then
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directions = directions .. "-"
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-- print("cz: "..cz..", cz - 2: "..(cz-2)..", here: '"..world[cz][cy][cx].."', there: '"..world[cz - 2][cy][cx].."'")
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end
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if cz + 2 < depth and world[cz + 2][cy][cx] == "#" then
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directions = directions .. "+"
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@ -131,17 +93,12 @@ function generate_maze3d(seed, width, height, depth)
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directions = directions .. "r"
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end
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print("Currently at ("..cx..", "..cy..", "..cz..") - directions: "..directions)
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--print("radar output: '" .. directions .. "' (length: " .. #directions .. "), curnode: " .. curnode)
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if #directions > 0 then
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-- we still have somewhere that we can go
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--print("This node is not a dead end yet.")
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local curdirnum = math.random(1, #directions)
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local curdir = string.sub(directions, curdirnum, curdirnum)
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print("Picked direction '"..curdir.."' (index "..curdirnum..")")
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if curdir == "+" then
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world[cz + 1][cy][cx] = " "
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world[cz + 2][cy][cx] = " "
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@ -168,37 +125,28 @@ function generate_maze3d(seed, width, height, depth)
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cx = cx + 2
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end
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print("Now at ("..cx..", "..cy..", "..cz..") ")
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table.insert(nodes, { x = cx, y = cy, z = cz })
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else
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-- print("The node at " .. curnode .. " is a dead end.")
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table.remove(nodes, curnode)
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if #nodes > 0 then
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--print("performing teleport.");
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curnode = math.random(1, #nodes)
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--print("New node: " .. curnode)
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-- print("Nodes table: ")
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-- print_r(nodes)
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cx = nodes[curnode]["x"]
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cy = nodes[curnode]["y"]
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cz = nodes[curnode]["z"]
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else
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--print("Maze generation complete, no teleportation necessary.")
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end
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end
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-- io.read("*l")
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-- print("\n\n\n\n\n\n\n\n\n")
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-- printspace(world, width + 1, height + 1, depth + 1)
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end
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return world
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end
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local world = generate_maze3d(seed, width, height, depth)
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printspace(world, width, height, depth)
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end_time = os.clock()
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print("Generation completed in " .. (end_time - start_time) .. "s.")
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return world, (end_time - start_time) * 1000
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end
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return M
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-- local world = M.generate_maze3d(seed, width, height, depth)
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--
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-- M.printspace(world, width, height, depth)
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-- end_time = os.clock()
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-- print("Generation completed in " .. (end_time - start_time) .. "s.")
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28
openscad.lua
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28
openscad.lua
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local M = {}
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function M.write3d(maze, width, height, depth, filename)
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local scale = 5
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local inverted = true
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local out = io.open(filename, "w")
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out:write("// Generated by multimaze (lua)\n")
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out:write("// Hit the Render button (F6) to make the preview look better")
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out:write("// Uncomment to make the preview look transclucent")
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out:write("// color(\"red\", 0.25)\n");
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if inverted then out:write("difference() {\n\tcube(size=["..scale*width..", "..scale*height..", "..scale*depth.."])")
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else out:write("union() {") end
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out:write("\n")
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for z = 0, depth - 1, 1 do
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for y = 0, height - 1, 1 do
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for x = 0, width - 1, 1 do
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if maze[z][y][x] == "#" then
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out:write("\ttranslate(["..x*scale..", "..y*scale..", "..z*scale.."]) cube(size = "..scale..");\n")
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end
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end
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end
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end
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out:write("}\n")
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out:close()
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end
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return M
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42
utils/print_r.lua
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42
utils/print_r.lua
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@ -0,0 +1,42 @@
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local M = {}
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---------------------------------------------
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-- Intelligent table printing function
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---------------------------------------------
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-- From http://coronalabs.com/blog/2014/09/02/tutorial-printing-table-contents/
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function M.print_r ( t )
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local print_r_cache = {}
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local function sub_print_r(t, indent)
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if (print_r_cache[tostring(t)]) then
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print(indent.."*"..tostring(t))
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else
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print_r_cache[tostring(t)] = true
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if (type(t) == "table") then
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for pos, val in pairs(t) do
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if (type(val) == "table") then
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print(indent.."["..pos.."] => "..tostring(t).." {")
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sub_print_r(val, indent..string.rep(" ", string.len(pos) + 8))
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print(indent..string.rep(" ", string.len(pos) + 6).."}")
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elseif (type(val) == "string") then
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print(indent.."["..pos..'] => "'..val..'"')
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else
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print(indent.."["..pos.."] => "..tostring(val))
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end
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end
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else
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print(indent..tostring(t))
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end
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end
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end
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if (type(t) == "table") then
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print(tostring(t).." {")
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sub_print_r(t, " ")
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print("}")
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else
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sub_print_r(t, " ")
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end
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print()
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end
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return M;
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11
utils/strings.lua
Normal file
11
utils/strings.lua
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@ -0,0 +1,11 @@
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local M = {}
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function M.starts_with(str, start)
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return str:sub(1, #start) == start
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end
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function M.ends_with(str, ending)
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return ending == "" or str:sub(-#ending) == ending
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end
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return M
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