Makes sense to commit these to a git repository!
This commit is contained in:
commit
faa2f1a36f
GPG key ID:
1BE5172E637709C2
3 changed files with 428 additions and 0 deletions
63
.gitignore
vendored
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63
.gitignore
vendored
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@ -0,0 +1,63 @@
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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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### Git ###
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# Created by git for backups. To disable backups in Git:
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# $ git config --global mergetool.keepBackup false
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*.orig
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# Created by git when using merge tools for conflicts
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*.BACKUP.*
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*.BASE.*
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*.LOCAL.*
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*.REMOTE.*
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*_BACKUP_*.txt
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*_BASE_*.txt
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*_LOCAL_*.txt
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*_REMOTE_*.txt
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### Lua ###
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# Compiled Lua sources
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luac.out
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# luarocks build files
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*.src.rock
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*.zip
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*.tar.gz
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# Object files
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*.o
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*.os
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*.ko
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*.obj
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*.elf
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# Precompiled Headers
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*.gch
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*.pch
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# Libraries
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*.lib
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*.a
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*.la
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*.lo
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*.def
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*.exp
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# Shared objects (inc. Windows DLLs)
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*.dll
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*.so
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*.so.*
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*.dylib
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# Executables
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*.exe
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*.out
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*.app
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*.i*86
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*.x86_64
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*.hex
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# End of https://www.gitignore.io/api/lua,git
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161
maze.lua
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161
maze.lua
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-------------------------------------
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-- 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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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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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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line = line .. space[y][x]
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end
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print(line)
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end
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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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-- 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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width = width - 1
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height = height - 1
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local world = {}
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for y = 0, height, 1 do
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world[y] = {}
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for x = 0, width, 1 do
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world[y][x] = "#"
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end
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end
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-- do a random walk to create pathways
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local nodes = {} -- the nodes left that we haven't investigated
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local curnode = 1 -- the node we are currently operating on
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local cx, cy = 1, 1 -- our current position
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table.insert(nodes, { x = cx, y = cy })
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world[cy][cx] = " "
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while #nodes > 0 do
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-- io.write("Nodes left: " .. curnode .. "\r")
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--print("Nodes left: " .. #nodes)
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--print("Currently at (" .. cx .. ", " .. cy .. ")")
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local directions = "" -- the different directions we can move
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if cy - 2 > 0 and world[cy - 2][cx] == "#" then
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directions = directions .. "u"
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end
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if cy + 2 < height and world[cy + 2][cx] == "#" then
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directions = directions .. "d"
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end
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if cx - 2 > 0 and world[cy][cx - 2] == "#" then
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directions = directions .. "l"
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end
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if cx + 2 < width and world[cy][cx + 2] == "#" then
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directions = directions .. "r"
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end
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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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if curdir == "u" then
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world[cy - 1][cx] = " "
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world[cy - 2][cx] = " "
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cy = cy - 2
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elseif curdir == "d" then
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world[cy + 1][cx] = " "
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world[cy + 2][cx] = " "
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cy = cy + 2
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elseif curdir == "l" then
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world[cy][cx - 1] = " "
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world[cy][cx - 2] = " "
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cx = cx - 2
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elseif curdir == "r" then
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world[cy][cx + 1] = " "
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world[cy][cx + 2] = " "
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cx = cx + 2
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end
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table.insert(nodes, { x = cx, y = cy })
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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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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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--printspace(world, width, height)
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end
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return world
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end
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local world = generate_maze(os.time(), width, height)
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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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204
maze3d.lua
Normal file
204
maze3d.lua
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@ -0,0 +1,204 @@
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-------------------------------------
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-- 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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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[3] ~= nil then
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depth = tonumber(arg[3])
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else
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depth = 7
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end
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if arg[4] ~= nil then
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seed = tonumber(arg[4])
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else
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seed = os.time()
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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, 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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for x = 0, w - 1, 1 do
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line = line .. space[z][y][x]
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end
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print(line)
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end
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print("")
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end
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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_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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width = width - 1
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height = height - 1
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local world = {}
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for z = 0, depth, 1 do
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world[z] = {}
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for y = 0, height, 1 do
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world[z][y] = {}
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for x = 0, width, 1 do
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world[z][y][x] = "#"
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end
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end
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end
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-- do a random walk to create pathways
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local nodes = {} -- the nodes left that we haven't investigated
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local curnode = 1 -- the node we are currently operating on
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local cx, cy, cz = 1, 1, 1 -- our current position
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table.insert(nodes, { x = cx, y = cy, z = cz })
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world[cz][cy][cx] = " "
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while #nodes > 0 do
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-- io.write("Nodes left: " .. curnode .. "\r")
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--print("Nodes left: " .. #nodes)
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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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end
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if cy - 2 > 0 and world[cz][cy - 2][cx] == "#" then
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directions = directions .. "u"
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end
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if cy + 2 < height and world[cz][cy + 2][cx] == "#" then
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directions = directions .. "d"
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end
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if cx - 2 > 0 and world[cz][cy][cx - 2] == "#" then
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directions = directions .. "l"
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end
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if cx + 2 < width and world[cz][cy][cx + 2] == "#" then
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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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cz = cz + 2
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elseif curdir == "-" then
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world[cz - 1][cy][cx] = " "
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world[cz - 2][cy][cx] = " "
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cz = cz - 2
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elseif curdir == "u" then
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world[cz][cy - 1][cx] = " "
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world[cz][cy - 2][cx] = " "
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cy = cy - 2
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elseif curdir == "d" then
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world[cz][cy + 1][cx] = " "
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world[cz][cy + 2][cx] = " "
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cy = cy + 2
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elseif curdir == "l" then
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world[cz][cy][cx - 1] = " "
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world[cz][cy][cx - 2] = " "
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cx = cx - 2
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elseif curdir == "r" then
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world[cz][cy][cx + 1] = " "
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world[cz][cy][cx + 2] = " "
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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: ")
|
||||
-- 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"]
|
||||
else
|
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--print("Maze generation complete, no teleportation necessary.")
|
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end
|
||||
end
|
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-- io.read("*l")
|
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-- print("\n\n\n\n\n\n\n\n\n")
|
||||
-- printspace(world, width + 1, height + 1, depth + 1)
|
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|
||||
end
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||||
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return world
|
||||
end
|
||||
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||||
local world = generate_maze3d(seed, width, height, depth)
|
||||
|
||||
printspace(world, width, height, depth)
|
||||
end_time = os.clock()
|
||||
print("Generation completed in " .. (end_time - start_time) .. "s.")
|
||||
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