Is there any way to make a random dungeon generator? I mean where you have corridors and dead ends and rooms of random shapes and size that are randomely generated at the start of the frame.
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Is there any way to make a random dungeon generator? I mean where you have corridors and dead ends and rooms of random shapes and size that are randomely generated at the start of the frame.
Yes, but it would vary quite a lot depending on exactly what your plan of the game is.
its going to be an rpg, and you need to go through the dungeons get items,xp,etc. and fight monsters, and get to the stairs to go to the next level, and after 10 or so floors you can leave.
I mean more like, exactly how your character will move, how the enemies will move and stuff like that.
It also depends how a scale the game is.
Personally i would cover the frame with tiles and change their animations and directions to create room shapes.
16x16 grid? movement?
This is what I had in mind
http://www.aarg.net/~minam/dungeon.cgi
Something that complex would take a LOT of time and effort to make. Basically, you want to generate a bunch of rooms, and then after that process is complete, find a way to link them up and ensure the are all accessible.
No, i want to set a bunch of tiles to black, select one at random and turn it to my floor, then select another one in a random direction from it, and set that to my floor to and do that repeatedly until I cant select anymore tiles( my floor tile is surrounded by floor tiles) then select a random floor tile and start again. That is all im trying to do right now.
BTW: I dont really believe in my signature....
It's quite possible to do a basic version like you described. All you need to do is run a loop at the start of the frame.
And then on each loop you take a 'tile changer' object and set its current x position to : X + random(4)*16 - random(4)*16
Set its current Y to: Y + random(4)*16 - random(4)*16
And paste it into the background/create a tile on each loop.
It wouldn't be very intelligent, but you could then add better features to make it logically place the walls and rooms.
If someone wanted, they could make an extension out of this: Dungeon Creator The C++ code is quite simple and easy ot use..
This one is also nice: Yet another dungeon creator
Or maybe you could create images out of those webpages and read it in as a map (not as an image) in MMF, but that is a little more complicated, but very possible.
I found Java code online for what I want...
Code:import java.lang.Integer; //so we can use Integer.parseInt()
import java.util.*; //and for getting today's date
public class dungen{
//max size of the map
private int xmax = 80; //80 columns
private int ymax = 25; //25 rows
//size of the map
private int xsize = 0;
private int ysize = 0;
//number of "objects" to generate on the map
private int objects = 0;
//define the %chance to generate either a room or a corridor on the map
//BTW, rooms are 1st priority so actually it's enough to just define the chance
//of generating a room
private int chanceRoom = 75;
private int chanceCorridor = 25;
//our map
private int[] dungeon_map = new int[0];
//the old seed from the RNG is saved in this one
private long oldseed = 0;
//a list over tile types we're using
final private int tileUnused = 0;
final private int tileDirtWall = 1; //not in use
final private int tileDirtFloor = 2;
final private int tileStoneWall = 3;
final private int tileCorridor = 4;
final private int tileDoor = 5;
final private int tileUpStairs = 6;
final private int tileDownStairs = 7;
final private int tileChest = 8;
//misc. messages to print
private String msgXSize = "X size of dungeon: \t";
private String msgYSize = "Y size of dungeon: \t";
private String msgMaxObjects = "max # of objects: \t";
private String msgNumObjects = "# of objects made: \t";
private String msgHelp = "";
private String msgDetailedHelp = "";
//setting a tile's type
private void setCell(int x, int y, int celltype){
dungeon_map[x + xsize * y] = celltype;
}
//returns the type of a tile
private int getCell(int x, int y){
return dungeon_map[x + xsize * y];
}
//The RNG. the seed is based on seconds from the "java epoch" ( I think..)
//perhaps it's the same date as the unix epoch
private int getRand(int min, int max){
//the seed is based on current date and the old, already used seed
Date now = new Date();
long seed = now.getTime() + oldseed;
oldseed = seed;
Random randomizer = new Random(seed);
int n = max - min + 1;
int i = randomizer.nextInt() % n;
if (i < 0)
i = -i;
//System.out.println("seed: " + seed + "\tnum: " + (min + i));
return min + i;
}
private boolean makeCorridor(int x, int y, int lenght, int direction){
//define the dimensions of the corridor (er.. only the width and height..)
int len = getRand(2, lenght);
int floor = tileCorridor;
int dir = 0;
if (direction > 0 && direction < 4) dir = direction;
int xtemp = 0;
int ytemp = 0;
switch(dir){
case 0:
//north
//check if there's enough space for the corridor
//start with checking it's not out of the boundaries
if (x < 0 || x > xsize) return false;
else xtemp = x;
//same thing here, to make sure it's not out of the boundaries
for (ytemp = y; ytemp > (y-len); ytemp--){
if (ytemp < 0 || ytemp > ysize) return false; //oh boho, it was!
if (getCell(xtemp, ytemp) != tileUnused) return false;
}
//if we're still here, let's start building
for (ytemp = y; ytemp > (y-len); ytemp--){
setCell(xtemp, ytemp, floor);
}
break;
case 1:
//east
if (y < 0 || y > ysize) return false;
else ytemp = y;
for (xtemp = x; xtemp < (x+len); xtemp++){
if (xtemp < 0 || xtemp > xsize) return false;
if (getCell(xtemp, ytemp) != tileUnused) return false;
}
for (xtemp = x; xtemp < (x+len); xtemp++){
setCell(xtemp, ytemp, floor);
}
break;
case 2:
//south
if (x < 0 || x > xsize) return false;
else xtemp = x;
for (ytemp = y; ytemp < (y+len); ytemp++){
if (ytemp < 0 || ytemp > ysize) return false;
if (getCell(xtemp, ytemp) != tileUnused) return false;
}
for (ytemp = y; ytemp < (y+len); ytemp++){
setCell(xtemp, ytemp, floor);
}
break;
case 3:
//west
if (ytemp < 0 || ytemp > ysize) return false;
else ytemp = y;
for (xtemp = x; xtemp > (x-len); xtemp--){
if (xtemp < 0 || xtemp > xsize) return false;
if (getCell(xtemp, ytemp) != tileUnused) return false;
}
for (xtemp = x; xtemp > (x-len); xtemp--){
setCell(xtemp, ytemp, floor);
}
break;
}
//woot, we're still here! let's tell the other guys we're done!!
return true;
}
private boolean makeRoom(int x, int y, int xlength, int ylength, int direction){
//define the dimensions of the room, it should be at least 4x4 tiles (2x2 for walking on, the rest is walls)
int xlen = getRand(4, xlength);
int ylen = getRand(4, ylength);
//the tile type it's going to be filled with
int floor = tileDirtFloor; //jordgolv..
int wall = tileDirtWall; //jordv????gg
//choose the way it's pointing at
int dir = 0;
if (direction > 0 && direction < 4) dir = direction;
switch(dir){
case 0:
//north
//Check if there's enough space left for it
for (int ytemp = y; ytemp > (y-ylen); ytemp--){
if (ytemp < 0 || ytemp > ysize) return false;
for (int xtemp = (x-xlen/2); xtemp < (x+(xlen+1)/2); xtemp++){
if (xtemp < 0 || xtemp > xsize) return false;
if (getCell(xtemp, ytemp) != tileUnused) return false; //no space left...
}
}
//we're still here, build
for (int ytemp = y; ytemp > (y-ylen); ytemp--){
for (int xtemp = (x-xlen/2); xtemp < (x+(xlen+1)/2); xtemp++){
//start with the walls
if (xtemp == (x-xlen/2)) setCell(xtemp, ytemp, wall);
else if (xtemp == (x+(xlen-1)/2)) setCell(xtemp, ytemp, wall);
else if (ytemp == y) setCell(xtemp, ytemp, wall);
else if (ytemp == (y-ylen+1)) setCell(xtemp, ytemp, wall);
//and then fill with the floor
else setCell(xtemp, ytemp, floor);
}
}
break;
case 1:
//east
for (int ytemp = (y-ylen/2); ytemp < (y+(ylen+1)/2); ytemp++){
if (ytemp < 0 || ytemp > ysize) return false;
for (int xtemp = x; xtemp < (x+xlen); xtemp++){
if (xtemp < 0 || xtemp > xsize) return false;
if (getCell(xtemp, ytemp) != tileUnused) return false;
}
}
for (int ytemp = (y-ylen/2); ytemp < (y+(ylen+1)/2); ytemp++){
for (int xtemp = x; xtemp < (x+xlen); xtemp++){
if (xtemp == x) setCell(xtemp, ytemp, wall);
else if (xtemp == (x+xlen-1)) setCell(xtemp, ytemp, wall);
else if (ytemp == (y-ylen/2)) setCell(xtemp, ytemp, wall);
else if (ytemp == (y+(ylen-1)/2)) setCell(xtemp, ytemp, wall);
else setCell(xtemp, ytemp, floor);
}
}
break;
case 2:
//south
for (int ytemp = y; ytemp < (y+ylen); ytemp++){
if (ytemp < 0 || ytemp > ysize) return false;
for (int xtemp = (x-xlen/2); xtemp < (x+(xlen+1)/2); xtemp++){
if (xtemp < 0 || xtemp > xsize) return false;
if (getCell(xtemp, ytemp) != tileUnused) return false;
}
}
for (int ytemp = y; ytemp < (y+ylen); ytemp++){
for (int xtemp = (x-xlen/2); xtemp < (x+(xlen+1)/2); xtemp++){
if (xtemp == (x-xlen/2)) setCell(xtemp, ytemp, wall);
else if (xtemp == (x+(xlen-1)/2)) setCell(xtemp, ytemp, wall);
else if (ytemp == y) setCell(xtemp, ytemp, wall);
else if (ytemp == (y+ylen-1)) setCell(xtemp, ytemp, wall);
else setCell(xtemp, ytemp, floor);
}
}
break;
case 3:
//west
for (int ytemp = (y-ylen/2); ytemp < (y+(ylen+1)/2); ytemp++){
if (ytemp < 0 || ytemp > ysize) return false;
for (int xtemp = x; xtemp > (x-xlen); xtemp--){
if (xtemp < 0 || xtemp > xsize) return false;
if (getCell(xtemp, ytemp) != tileUnused) return false;
}
}
for (int ytemp = (y-ylen/2); ytemp < (y+(ylen+1)/2); ytemp++){
for (int xtemp = x; xtemp > (x-xlen); xtemp--){
if (xtemp == x) setCell(xtemp, ytemp, wall);
else if (xtemp == (x-xlen+1)) setCell(xtemp, ytemp, wall);
else if (ytemp == (y-ylen/2)) setCell(xtemp, ytemp, wall);
else if (ytemp == (y+(ylen-1)/2)) setCell(xtemp, ytemp, wall);
else setCell(xtemp, ytemp, floor);
}
}
break;
}
//yay, all done
return true;
}
//used to print the map on the screen
public void showDungeon(){
for (int y = 0; y < ysize; y++){
for (int x = 0; x < xsize; x++){
//System.out.print(getCell(x, y));
switch(getCell(x, y)){
case tileUnused:
System.out.print(" ");
break;
case tileDirtWall:
System.out.print("+");
break;
case tileDirtFloor:
System.out.print(".");
break;
case tileStoneWall:
System.out.print("O");
break;
case tileCorridor:
System.out.print("#");
break;
case tileDoor:
System.out.print("D");
break;
case tileUpStairs:
System.out.print("<");
break;
case tileDownStairs:
System.out.print(">");
break;
case tileChest:
System.out.print("*");
break;
};
}
if (xsize < xmax) System.out.print("\n");
}
}
//and here's the one generating the whole map
public boolean createDungeon(int inx, int iny, int inobj){
if (inobj < 1) objects = 10;
else objects = inobj;
//justera kartans storlek, om den ????r st????rre eller mindre ????n "gr????nserna"
//adjust the size of the map, if it's smaller or bigger than the limits
if (inx < 3) xsize = 3;
else if (inx > xmax) xsize = xmax;
else xsize = inx;
if (iny < 3) ysize = 3;
else if (iny > ymax) ysize = ymax;
else ysize = iny;
System.out.println(msgXSize + xsize);
System.out.println(msgYSize + ysize);
System.out.println(msgMaxObjects + objects);
//redefine the map var, so it's adjusted to our new map size
dungeon_map = new int[xsize * ysize];
//start with making the "standard stuff" on the map
for (int y = 0; y < ysize; y++){
for (int x = 0; x < xsize; x++){
//ie, making the borders of unwalkable walls
if (y == 0) setCell(x, y, tileStoneWall);
else if (y == ysize-1) setCell(x, y, tileStoneWall);
else if (x == 0) setCell(x, y, tileStoneWall);
else if (x == xsize-1) setCell(x, y, tileStoneWall);
//and fill the rest with dirt
else setCell(x, y, tileUnused);
}
}
/*******************************************************************************
And now the code of the random-map-generation-algorithm begins!
*******************************************************************************/
//start with making a room in the middle, which we can start building upon
makeRoom(xsize/2, ysize/2, 8, 6, getRand(0,3)); //getrand saken f????r att slumpa fram riktning p?? rummet
//keep count of the number of "objects" we've made
int currentFeatures = 1; //+1 for the first room we just made
//then we sart the main loop
for (int countingTries = 0; countingTries < 1000; countingTries++){
//check if we've reached our quota
if (currentFeatures == objects){
break;
}
//start with a random wall
int newx = 0;
int xmod = 0;
int newy = 0;
int ymod = 0;
int validTile = -1;
//1000 chances to find a suitable object (room or corridor)..
//(yea, i know it's kinda ugly with a for-loop... -_-')
for (int testing = 0; testing < 1000; testing++){
newx = getRand(1, xsize-1);
newy = getRand(1, ysize-1);
validTile = -1;
//System.out.println("tempx: " + newx + "\ttempy: " + newy);
if (getCell(newx, newy) == tileDirtWall || getCell(newx, newy) == tileCorridor){
//check if we can reach the place
if (getCell(newx, newy+1) == tileDirtFloor || getCell(newx, newy+1) == tileCorridor){
validTile = 0; //
xmod = 0;
ymod = -1;
}
else if (getCell(newx-1, newy) == tileDirtFloor || getCell(newx-1, newy) == tileCorridor){
validTile = 1; //
xmod = +1;
ymod = 0;
}
else if (getCell(newx, newy-1) == tileDirtFloor || getCell(newx, newy-1) == tileCorridor){
validTile = 2; //
xmod = 0;
ymod = +1;
}
else if (getCell(newx+1, newy) == tileDirtFloor || getCell(newx+1, newy) == tileCorridor){
validTile = 3; //
xmod = -1;
ymod = 0;
}
//check that we haven't got another door nearby, so we won't get alot of openings besides
//each other
if (validTile > -1){
if (getCell(newx, newy+1) == tileDoor) //north
validTile = -1;
else if (getCell(newx-1, newy) == tileDoor)//east
validTile = -1;
else if (getCell(newx, newy-1) == tileDoor)//south
validTile = -1;
else if (getCell(newx+1, newy) == tileDoor)//west
validTile = -1;
}
//if we can, jump out of the loop and continue with the rest
if (validTile > -1) break;
}
}
if (validTile > -1){
//choose what to build now at our newly found place, and at what direction
int feature = getRand(0, 100);
if (feature <= chanceRoom){ //a new room
if (makeRoom((newx+xmod), (newy+ymod), 8, 6, validTile)){
currentFeatures++; //add to our quota
//then we mark the wall opening with a door
setCell(newx, newy, tileDoor);
//clean up infront of the door so we can reach it
setCell((newx+xmod), (newy+ymod), tileDirtFloor);
}
}
else if (feature >= chanceRoom){ //new corridor
if (makeCorridor((newx+xmod), (newy+ymod), 6, validTile)){
//same thing here, add to the quota and a door
currentFeatures++;
setCell(newx, newy, tileDoor);
}
}
}
}
/*******************************************************************************
All done with the building, let's finish this one off
*******************************************************************************/
//sprinkle out the bonusstuff (stairs, chests etc.) over the map
int newx = 0;
int newy = 0;
int ways = 0; //from how many directions we can reach the random spot from
int state = 0; //the state the loop is in, start with the stairs
while (state != 10){
for (int testing = 0; testing < 1000; testing++){
newx = getRand(1, xsize-1);
newy = getRand(1, ysize-2); //cheap bugfix, pulls down newy to 0<y<24, from 0<y<25
//System.out.println("x: " + newx + "\ty: " + newy);
ways = 4; //the lower the better
//check if we can reach the spot
if (getCell(newx, newy+1) == tileDirtFloor || getCell(newx, newy+1) == tileCorridor){
//north
if (getCell(newx, newy+1) != tileDoor)
ways--;
}
if (getCell(newx-1, newy) == tileDirtFloor || getCell(newx-1, newy) == tileCorridor){
//east
if (getCell(newx-1, newy) != tileDoor)
ways--;
}
if (getCell(newx, newy-1) == tileDirtFloor || getCell(newx, newy-1) == tileCorridor){
//south
if (getCell(newx, newy-1) != tileDoor)
ways--;
}
if (getCell(newx+1, newy) == tileDirtFloor || getCell(newx+1, newy) == tileCorridor){
//west
if (getCell(newx+1, newy) != tileDoor)
ways--;
}
if (state == 0){
if (ways == 0){
//we're in state 0, let's place a "upstairs" thing
setCell(newx, newy, tileUpStairs);
state = 1;
break;
}
}
else if (state == 1){
if (ways == 0){
//state 1, place a "downstairs"
setCell(newx, newy, tileDownStairs);
state = 10;
break;
}
}
}
}
//all done with the map generation, tell the user about it and finish
System.out.println(msgNumObjects + currentFeatures);
return true;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public static void main(String[] args){
//initial stuff used in making the map
int x = 80; int y = 25; int dungeon_objects = 0;
//convert a string to a int, if there's more then one arg
if (args.length >= 1)
dungeon_objects = Integer.parseInt(args[0]);
if (args.length >= 2)
x = Integer.parseInt(args[1]);
if (args.length >= 3)
y = Integer.parseInt(args[2]);
//create a new class of "dungen", so we can use all the goodies within it
dungen generator = new dungen();
//then we create a new dungeon map
if (generator.createDungeon(x, y, dungeon_objects)){
//always good to be able to see the results..
generator.showDungeon();
}
}
}
I'm actually quite impressed! It's not the most readable code in the world, but I would have thought that generating a random dungeon would take a lot more than that. It's the kind of thing that's certainly easier in text-based language because of the large amount of variables you have to manipulate along the way, but I don't see any reason why it couldn't be put into a fastloop and made to run on an array, then that array looped through and displayed.
(There is one bug - it seems the line reading "if (xsize < xmax) System.out.print("\n");" should be "if (y < ysize) System.out.print("\n");".)
I dont understand how I coud put that in a fastloop and make it run on an array....
http://roguebasin.roguelikedevelopment.org/index.php?title=Java_Example_of_Dungeon-Building_AlgorithmQuote:
Originally Posted by DavidN
I'm significantly less impressed!
Ok thats where i found it......couldnt remember
Anyway.....how could I test if a 16x16 square is adjacent(left,right,up,down)to a selected block. I picked one block at random, set its AS1 to "visited"(the rest are "unvisited"); I need to select a random direction,set the adjacent block to "visited", and change the previous block to "finished". All I can do is select the random block and set it to visited. Can anybody help?
Im basing my formula on http://www.aarg.net/~minam/dungeon_design.html