How to run / develop this project

For anyone curious (on a mac):

Run:

$ brew install mono (if you don't have it)
WaveFunctionCollapse $ mcs -pkg:dotnet /reference:System.Drawing.dll *.cs
WaveFunctionCollapse $ mono Main.exe

(it starts working your CPU)

🌻

In Arch Linux the same command works. Only had to install mono:

# pacman -S mono
$ mcs -pkg:dotnet /reference:System.Drawing.dll *.cs

How can I run this on a PC?

@ultrasam

@ultrasam I lazied out and created a new C# project in Xamarin Studio (which is pretty much like Visual Studio) and added the C# files which where in the repo. Had to add references to System.Xml and System.Drawing before building.

When creating a new C# project in Visual Studio it gives me several options:
Windows Forms Application,
WPF Application
Console Application
Shared Project
Class Library

Which one should I pick??

Use a Console Application and remove the Program1.cs file

I've got all this errors when I tried to build this, I am new at doing a project in Visual Studio 2015, sorry about that, but any help would be appreciated

Right click References > Add, select System.Draw

Ok, perfect that worked it compiled with no errors, now how do I use the program??

Ok, I think I had two programs with the method main and that was causing problems, but now I fixed that and now I am getting the error shown here:

By the way the file samples.xml is there...

@squarism

After following @squarism 's directions I am getting

System.TypeInitializationException: The type initializer for 'System.Drawing.GDIPlus' threw an exception. ---> System.DllNotFoundException: libgdiplus.dylib
  at (wrapper managed-to-native) System.Drawing.GDIPlus:GdiplusStartup (ulong&,System.Drawing.GdiplusStartupInput&,System.Drawing.GdiplusStartupOutput&)
  at System.Drawing.GDIPlus..cctor () [0x000cc] in <93576e487af246b9880ff86779ad60ff>:0
   --- End of inner exception stack trace ---
  at System.Drawing.Bitmap..ctor (System.String filename, System.Boolean useIcm) [0x0002b] in <93576e487af246b9880ff86779ad60ff>:0
  at System.Drawing.Bitmap..ctor (System.String filename) [0x00000] in <93576e487af246b9880ff86779ad60ff>:0
  at (wrapper remoting-invoke-with-check) System.Drawing.Bitmap:.ctor (string)
  at OverlappingModel..ctor (System.String name, System.Int32 N, System.Int32 width, System.Int32 height, System.Boolean periodicInput, System.Boolean periodicOutput, System.Int32 symmetry, System.Int32 foundation) [0x00041] in <e8e8a4739e4b4f79b85af1dc0961b451>:0
  at Program.Main () [0x000c9] in <e8e8a4739e4b4f79b85af1dc0961b451>:0
[ERROR] FATAL UNHANDLED EXCEPTION: System.TypeInitializationException: The type initializer for 'System.Drawing.GDIPlus' threw an exception. ---> System.DllNotFoundException: libgdiplus.dylib
  at (wrapper managed-to-native) System.Drawing.GDIPlus:GdiplusStartup (ulong&,System.Drawing.GdiplusStartupInput&,System.Drawing.GdiplusStartupOutput&)
  at System.Drawing.GDIPlus..cctor () [0x000cc] in <93576e487af246b9880ff86779ad60ff>:0
   --- End of inner exception stack trace ---
  at System.Drawing.Bitmap..ctor (System.String filename, System.Boolean useIcm) [0x0002b] in <93576e487af246b9880ff86779ad60ff>:0
  at System.Drawing.Bitmap..ctor (System.String filename) [0x00000] in <93576e487af246b9880ff86779ad60ff>:0
  at (wrapper remoting-invoke-with-check) System.Drawing.Bitmap:.ctor (string)
  at OverlappingModel..ctor (System.String name, System.Int32 N, System.Int32 width, System.Int32 height, System.Boolean periodicInput, System.Boolean periodicOutput, System.Int32 symmetry, System.Int32 foundation) [0x00041] in <e8e8a4739e4b4f79b85af1dc0961b451>:0
  at Program.Main () [0x000c9] in <e8e8a4739e4b4f79b85af1dc0961b451>:0```

After googling I don't see a simple answer to that. Any one here encountered/solved it?

EDIT:

I was able to get it to do a bit more by following these commands in addition to what @squarism posted. Not sure if this is the best way, but it seems to be working.

brew cask install mono-mdk
open /usr/local/Caskroom/mono-mdk/4.6.1.3/MonoFramework-MDK-4.6.1.3.macos10.xamarin.universal.pkg
env PATH=/Library/Frameworks/Mono.framework/Commands/:$PATH mcs -pkg:dotnet /reference:System.Drawing.dll *.cs
env PATH=/Library/Frameworks/Mono.framework/Commands/:$PATH mono Main.exe

@ultrasam

@ultrasam is the samples.xml files actually copied to the build directory ? If it isn't you could try copy pasting it there manually to confirm it fixes the issue you're having. I can't remember what was the setting to include a resource file in the build system of VS though...

EDIT: you will probably have the same issue with all the images

well the file is there and I included it in the project:

Here is my project's folder:

Do you see anything wrong there?

Ok I put the samples folder and samples.xml inside the bin/Debug/ folder and it worked!!!, it started creating a bunch of BMPs, now if I want to use my own designs, should I put them on the samples folder??

yes, and reference them in the samples.xml file and fiddle with the properties a bit

Is there a pre-compiled version of this? I am very new to C#, and have no idea how to compile or run it. >.>

Not sure if this is still active but could somebody expand a bit on a 3D extension of the SW??
I was thinking of extending the XML with an "up" tag and then I would somehow need to "fix" those tiles in that level and build the rest around it??
Does that sound reasonable??

@kronpano

@kronpano What is SW? I uploaded a simple 3D implementation of WFC here, the algorithm is the same in 3D.

SW = software and Thanks - hadn't seen that - will give it a try.
Cheers

I want to generate a city for my voxel game, do you have a simple example, other than knots, to start understand ? thanks.

@procfxgen You mean a 3d example? 3d version is not released yet, so only Knots so far. Check out 6 2d example tilesets here, the algorithm is the same in all dimensions.

I play with knots 3d example, how to add ground ?

@procfxgen Add ground.vox and ground.png, then in data.xml add the ground tile and vertical and horizontal adjacencies with existing tiles.

Thanks, I have my ground titles now !

How to make "line" tile above "ground" titles ?
my "data.xml"

 <set` pixelsize="8" voxelsize="3">
   <tiles>
     <tile name="down" symmetry="T"/>
     <tile name="empty" symmetry="X"/>
     <tile name="line" symmetry="I"/>
     <tile name="turn" symmetry="L"/>
     <tile name="up" symmetry="T"/>
     <tile name="vertical" symmetry="X"/>
     <tile name="ground" symmetry="X"/>
   </tiles>
   <neighbors>
     <horizontal left="empty" right="empty"/>
     <horizontal left="empty" right="ground"/>
     <horizontal left="ground" right="up"/>
     <vertical left="empty" right="empty"/>
     <vertical left="empty" right="ground"/>
     <vertical left="ground" right="up"/>
   </neighbors>
   <subsets>
     <subset name="dense knots">
       <tile name="down" symmetry="T"/>
       <tile name="line" symmetry="I"/>
       <tile name="turn" symmetry="L"/>
       <tile name="up" symmetry="T"/>
       <tile name="vertical" symmetry="X"/>
       <tile name="ground" symmetry="X"/>
     </subset>
     <subset name="only turns">
       <tile name="turn" symmetry="L"/>
     </subset>
   </subsets>
 </set>

@procfxgen Try this

<vertical left="empty" right="empty"/>
<vertical left="line" right="ground"/>
<vertical left="line" right="line"/>
<horizontal left="empty" right="empty"/>
<horizontal left="empty" right="line"/>
<horizontal left="empty" right="ground"/>

It should generate vertical columns.

sorry volume is empty ....

"vertical" correspond to blue axis (Z) and "horizontal" (X,Y) to red axis in magicavoxel ?

<set pixelsize="8" voxelsize="3">
  <tiles>
    <tile name="down" symmetry="T"/>
    <tile name="empty" symmetry="X"/>
    <tile name="line" symmetry="I"/>
    <tile name="turn" symmetry="L"/>
    <tile name="up" symmetry="T"/>
    <tile name="vertical" symmetry="X"/>
    <tile name="ground" symmetry="X"/>
  </tiles>
  <neighbors>
    <vertical left="empty" right="empty"/>
    <vertical left="line" right="ground"/>
    <vertical left="line" right="line"/>
    <horizontal left="empty" right="empty"/>
    <horizontal left="empty" right="line"/>
    <horizontal left="empty" right="ground"/>
  </neighbors>
  <subsets>
    <subset name="dense knots">
      <tile name="down" symmetry="T"/>
      <tile name="line" symmetry="I"/>
      <tile name="turn" symmetry="L"/>
      <tile name="up" symmetry="T"/>
      <tile name="vertical" symmetry="X"/>
      <tile name="ground" symmetry="X"/>
    </subset>
  </subsets>
</set>

@procfxgen This data.xml

<set pixelsize="8" voxelsize="3">
	<tiles>
		<tile name="empty" symmetry="X"/>
		<tile name="vertical" symmetry="X"/>
		<tile name="g1" symmetry="X"/>
	</tiles>
	<neighbors>
		<vertical left="empty" right="empty"/>
		<horizontal left="empty" right="empty"/>
		<vertical left="vertical" right="g1"/>
		<vertical left="vertical" right="vertical"/>
		<horizontal left="empty" right="vertical"/>
		<horizontal left="empty" right="g1"/>
		<horizontal left="vertical" right="vertical"/>
		<horizontal left="g1" right="g1"/>
	</neighbors>
</set>

and this samples.xml

<samples>
	<sample name="Knots" X="10" Y="10" Z="10" periodic="False" screenshots="2"/>
</samples>

should generate vertical columns.

If you want 3d, I think it's better to wait for a proper 3d release in September-October, it'll be much easier to experiment with, or try VoxModSynth.

@procfxgen Yes, vertical corresponds to blue in MV, left=top, right=bottom. Horizontal - to red, and then it mixes red and green with symmetries.

@mxgmn

@mxgmn, is there a way you can close and lock this issue? Right now it seems to get reused every time anyone has a question (and emailing 23 people in the process), when really those questions should be new issues. Thanks!

@nanodeath

@nanodeath Oh, didn't know about that, closing.

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