Zelda'ish Fantasy map generator

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Pakz	Created : 04 November 2017 Edited : 04 November 2017 Language : Monkey-X Zelda'ish Fantasy map generator Generate 2d fantasy maps Html5 page
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' Based somewhat on https://www.squidi.net/three/entry.php?id=164 Import mojo Class map Field sw:Int,sh:Int Field tw:Float,th:Float Field mw:Int,mh:Int Field map:Int[][] Field grassmap:Int[][] Field bridgemap:Int[][] Field tileroad:Int=999 Field numzones:Int Method New(sw:Int,sh:Int,mw:Int,mh:Int,numzones:Int) Self.numzones = numzones Self.sw = sw Self.sh = sh Self.mw = mw Self.mh = mh Self.tw = Float(sw) / Float(mw) Self.th = Float(sh) / Float(mh) map = New Int[mw][] grassmap = New Int[mw][] bridgemap = New Int[mw][] For Local i:Int=0 Until mw map[i] = New Int[mh] grassmap[i] = New Int[mh] bridgemap[i] = New Int[mh] Next createmap() End Method Method createmap() 'Create a number of zones (area's) For Local zone:Int=0 Until numzones map[Rnd(mw)][Rnd(mh)] = zone+1 Next 'Grow the zones Local cangrow:Bool=True Local mx:Int[]=[-1,0,1,0] Local my:Int[]=[-1,0,0,1] While cangrow=True Local x:Int=Rnd(mw) Local y:Int=Rnd(mh) If map[x][y] > 0 Local tile:Int=map[x][y] For Local i:Int=0 Until mx.Length Local x2:Int=mx[i]+x Local y2:Int=my[i]+y If x2<0 Or y2<0 Or x2>=mw Or y2>=mh Then Continue If Rnd(10)<2 And map[x2][y2] = 0 map[x2][y2] = tile End If Next End If ' Every now and then check if every spot is taken If Rnd(mw)<mw/10 cangrow = False For Local y2:Int=0 Until mh For Local x2:Int=0 Until mw If map[x2][y2] = 0 Then cangrow = True;Exit Next Next End If Wend ' Create the roads For Local y:Int=0 Until mh For Local x:Int=0 Until mw Local t:Int=map[x][y] If x+1 < mw And map[x+1][y] <> t And grassmap[x+1][y] = 0 Then grassmap[x][y] = 1 If y+1 < mh And map[x][y+1] <> t And grassmap[x][y+1] = 0 Then grassmap[x][y] = 1 If x+1 < mw And y+1 < mh And map[x+1][y+1] <> t And grassmap[x+1][y+1] = 0 Then grassmap[x][y] = 1 Next Next 'create the bridges For Local y:Int=0 Until mh For Local x:Int=0 Until mw If grassmap[x][y] <> 1 Then Continue Local cnt:Int=0 For Local y2:Int=y-1 To y+1 For Local x2:Int=x-1 To x+1 If x2<0 Or y2<0 Or x2>=mw Or y2>=mh Then Continue If map[x2][y2] >= numzones/3 Then cnt+=1 Next Next If cnt=0 Then bridgemap[x][y] = 1 Next Next End Method Method draw() ' map pass 1 For Local y:Int=0 Until mh For Local x:Int=0 Until mw If map[x][y] = 0 Then Continue Local x2:Int = xtw Local y2:Int = yth If map[x][y] < numzones/3 Or map[x][y] = 1 Then ' water SetColor 44,140,200 DrawRect x2,y2,tw+1,th+1 SetColor 46,165,225 DrawOval x2+tw/3,y2+th/5,tw/4,th/2 SetColor 56,195,255 DrawOval x2+tw/3,y2+th/4,tw/5,th/7 Else 'grass SetColor 160,200,105 DrawRect x2,y2,tw+1,th+1 'treebase dark SetColor 10,45,0 DrawOval x2+tw/3,y2+th/2,tw/2,th/1.5 'treebase light SetColor 200,55,0 DrawOval x2+tw/2.2,y2+th/2,tw/4,th/1.5 ' tree top dark SetColor 0,55,0 DrawOval x2+tw/8,y2+th/10,tw/1.1,th/1.3 ' tree top SetColor 0,190,0 DrawOval x2+tw/8+1,y2+th/10,tw/1.2-2,th/1.3 ' highlight top SetColor 200,255,200 DrawOval x2+tw/4+1,y2+th/5,tw/3,th/3 End If Next Next 'grass For Local y:Int=0 Until mh For Local x:Int=0 Until mw If grassmap[x][y] = 0 Then Continue Local x2:Int = xtw Local y2:Int = yth SetColor 80,230,20 DrawRect x2,y2,tw+1,th+1 Next Next 'bridges For Local y:Int=0 Until mh For Local x:Int=0 Until mw If bridgemap[x][y] = 0 Then Continue Local x2:Int = xtw Local y2:Int = yth SetColor 150,120,15 DrawRect x2,y2,tw+1,th+1 'plank SetColor 200,170,20 DrawRect x2+tw/10,y2,tw/3,th+1 DrawRect x2+tw/1.8,y2,tw/3,th+1 'plank shadow and light SetColor 240,200,200 DrawRect x2+tw/10,y2,1,th+1 DrawRect x2+tw/1.8,y2,1,th+1 SetColor 0,0,0 DrawRect x2+tw/10+tw/3,y2,1,th+1 DrawRect x2+tw/1.8+tw/3,y2,1,th+1 Next Next ' map pass 2 (shadow under trees/grass and highlight up water) For Local y:Int=1 Until mh For Local x:Int=0 Until mw If map[x][y] = 0 Then Continue Local x2:Int = xtw Local y2:Int = yth 'shadow under trees If grassmap[x][y] = 1 And grassmap[x][y-1] = 0 And map[x][y] > numzones/3 SetColor 40,160,30 DrawRect x2+tw/4,y2,tw-th/2,th/3 End If 'shadow under water If grassmap[x][y] = 0 And grassmap[x][y-1] = 1 And map[x][y] < numzones/3 SetColor 0,0,0 DrawRect x2,y2,tw+1,th/8 End If Next Next End Method End Class Class MyGame Extends App Field refresh:Int Field mymap:map Field plumps Method OnCreate() SetUpdateRate(1) Seed = GetDate[4] * GetDate[5] Local s:Int=Rnd(30,100) If s<40 Then plumps = s/1.5 Else plumps = s2 mymap = New map(DeviceWidth,DeviceHeight,s,s,plumps) refresh = Millisecs()+3000 End Method Method OnUpdate() If Millisecs() > refresh Local s:Float=Rnd(30,100) If Rnd(10)<8 Then s = Rnd(20,40) If s<40 Then plumps = s/1.5 Else plumps = s2 mymap = New map(DeviceWidth,DeviceHeight,s,s,plumps) refresh = Millisecs()+3000 End If End Method Method OnRender() Cls 0,0,0 SetColor 255,255,255 mymap.draw() End Method End Class Function Main() New MyGame() End Function --v
Latest Update I spend today working on this. I found a page on the internet (link in code) showing how to randomly generate maps like this. I did not really read it fully but noticed several familiar things I knew already. The code here might be a nice starting point (template) for creating a zelda like game. The graphics are done with Draw rects and ovals/circles. (Not for realtime use if maps are really big) Has trees, grass, water, plank bridges. The grassmap[][] and bridgemap[][] arrays in the map class contains the walkable area's .(1=walkable)

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Saturday, 04 November 2017, 10:38
Jayenkai	Nice! And fast, too.
Saturday, 04 November 2017, 17:13
rockford	That's pretty neat

Zelda'ish Fantasy map generator

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