C# EnumMaskField usage

Questions & Answers
1

Could anyone tell me the correct way to use an enum mask field in c#. Here’s the relevent bits of code I’m using:

FootprintManager.cs

public class FootprintManager : MonoBehaviour {
	
	public enum foundTag {none = 0, any = 1, interior = 2, cornerExt = 3, cornerInt = 4};
}

FootprintEditor.cs

[CustomEditor(typeof(Footprint))]
public class FootprintEditor : Editor {
	public override void OnInspectorGUI(){
	FootprintManager.foundTag = EditorGUILayout.EnumMaskField("Masks", FootprintManager.foundTag);


}
}
3

This is how I use EnumMaskField to create a custom mask property in inspector, using C#.

public class TileNode: MonoBehaviour
{
	public TileType tileTypeMask = 0;

	public enum TileType
	{
		Normal	= 1,
		Air		= 2,
		Water	= 4,
		Wall	= 8,
		//etc	= 16,
		//etc	= 32,
	}
}

[CustomEditor(typeof(TileNode))]
public class TileNodeEditor : Editor
{
	public SerializedProperty tileTypeMask;

	void OnEnable()
	{
		tileTypeMask = serializedObject.FindProperty("tileTypeMask");
	}

	public override void OnInspectorGUI()
	{
		serializedObject.Update();

		tileTypeMask.intValue = (int)((TileNode.TileType)EditorGUILayout.EnumMaskField("Tile Type Mask", (TileNode.TileType)tileTypeMask.intValue));

		serializedObject.ApplyModifiedProperties();
	}
}
2

The EnumMaskField is used to edit a bit-mask. Your enum values doesn’t seem to reflect a bit mask. I guess you want something like that:

public enum foundTag
{
    none       = 0,
    any        = 0xFFFF, // bits: 11111111 11111111
    interior   = 1,      // bits: 00000000 00000001
    cornerExt  = 2,      // bits: 00000000 00000010
    cornerInt  = 4       // bits: 00000000 00000100
};

I hope you are familiar with bitmasks? If not i can add some basics :wink: