Dungeon/Cave Generator - Simple

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Pakz	Created : 27 July 2016 Edited : 27 July 2016 Language : Monkey Dungeon/Cave Generator - Simple Place random rectangles next to other rectangle (grow)
Very simple : Create a rectangle on the map enter loop Create random rectangle if it fits next to a previous placed rectangle place there exit if enough placed or counter hit max Import mojo Class tilemap Field tilew:Int Field tileh:Int Field width:Int Field height:Int Field map:Int[][] Method New(width:Int,height:Int,tilew:Int,tileh:Int) Self.width=width Self.height=height Self.tilew=tilew Self.tileh=tileh map = New Int[width][] For Local i=0 Until width map[i] = New Int[height] Next makemap settiles End Method ' Here we create the walls Method settiles() 'create walls For Local y=1 Until height-1 For Local x=1 Until width-1 Local t:Int=map[x][y] If t=0 And map[x+1][y] = 1 Then map[x][y] = 2 If t=0 And map[x][y+1] = 1 Then map[x][y] = 2 If t=0 And map[x-1][y] = 1 Then map[x][y] = 2 If t=0 And map[x][y-1] = 1 Then map[x][y] = 2 Next Next ' get corners For Local y=1 Until height-1 For Local x=1 Until width-1 Local t:Int=map[x][y] If t=0 And map[x+1][y] = 2 And map[x][y+1] = 2 Then map[x][y] = 3 If t=0 And map[x-1][y] = 2 And map[x][y+1] = 2 Then map[x][y] = 3 If t=0 And map[x][y-1] = 2 And map[x+1][y] = 2 Then map[x][y] = 3 If t=0 And map[x-1][y] = 2 And map[x][y-1] = 2 Then map[x][y] = 3 Next Next 'set corners to value 2 For Local y=1 Until height-1 For Local x=1 Until width-1 If map[x][y] = 3 Then map[x][y] = 2 Next Next End Method Method makemap() 'here we make random rectangles and see if they 'are placed next to another rectangle. 'This will grow a random level... Local w1:Int=Rnd(1,4) Local h1:Int=Rnd(1,4) Local x1:Int=width/2 Local y1:Int=height/2 drawmaprect(x1,y1,w1,h1) Local maxrooms:Int=(widthheight)/30 Local numrooms:Int=0 Local cnt:Int=0 While numrooms < maxrooms And cnt<15000 cnt+=1 Local done:Bool=False w1=Rnd(1,4) h1=Rnd(1,4) x1=Rnd(3,width-5) y1=Rnd(3,height-5) 'check right If map[x1][y1] = 1 And map[x1+1][y1] = 0 And map[x1+1][y1-2] = 0 And map[x1+1][y1+2] = 0 drawmaprect(x1,y1,w1,h1) numrooms+=1 done=True End If 'check bottom If done=False And map[x1][y1] = 1 And map[x1][y1+1] = 0 And map[x1-2][y1+1] = 0 And map[x1+2][y1+1] = 0 drawmaprect(x1,y1,w1,h1) numrooms+=1 done=True End If 'check top If done=False And y1+h1<height-1 If map[x1][y1+h1+1] = 1 And map[x1][y1+h1] = 0 And map[x1-2][y1+h1] = 0 And map[x1+2][y1+h1] = 0 drawmaprect(x1,y1,w1,h1) numrooms+=1 done=True End If End If 'check left If done=False And x1+w1<width-1 If map[x1+w1+1][y1] = 1 And map[x1+w1][y1] = 0 And map[x1+w1][y1-2] = 0 And map[x1+w1][y1+2] = 0 drawmaprect(x1,y1,w1,h1) numrooms+=1 End If End If Wend End Method Method drawmaprect(x:Int,y:Int,w:Int,h:Int) For Local y1=y To y+h For Local x1=x To x+w If x1>-1 And y1>-1 And x1<width And y1<height map[x1][y1] = 1 End If Next Next End Method Method draw() SetColor 255,255,255 For Local y=0 Until height For Local x=0 Until width Local t:Int=map[x][y] Select t Case 1 'wall SetColor 100,100,100 DrawRect xtilew,ytileh,tilew,tileh Case 2 'wall SetColor 200,200,200 DrawRect xtilew,ytileh,tilew,tileh End Select Next Next End Method End Class Global m:tilemap Class MyGame Extends App Method OnCreate() Seed = GetDate[5] SetUpdateRate(60) createrandommap() End Method Method OnUpdate() If KeyHit(KEY_SPACE) Or MouseHit(MOUSE_LEFT) createrandommap() End If End Method Method OnRender() Cls 0,0,0 m.draw SetColor 255,255,255 DrawText "Press Space or Tab to create new level",0,0 End Method End Class Function createrandommap() Local r:Int=Rnd(0,3) Local w:Int,h:Int,tw:Int,th:Int Select r Case 0 w=20;h=15;tw=32;th=32 Case 1 w=202;h=152;tw=16;th=16 Case 2 w=204;h=15*4;tw=8;th=8 End Select m = New tilemap(w,h,tw,th) End Function Function Main() New MyGame() End Function --v

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Dungeon/Cave Generator - Simple

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