void OnEnable()
{
//restore values from Editor.Prefs
if (EditorPrefs.HasKey("noiseType"))
{
noiseType = (NoiseType)EditorPrefs.GetInt("noiseType");
}
if (EditorPrefs.HasKey("boxSize"))
{
boxSize = EditorPrefs.GetFloat("boxSize");
}
if (EditorPrefs.HasKey("deepness"))
{
deepness = EditorPrefs.GetInt("deepness");
}
if (EditorPrefs.HasKey("delta"))
{
delta = EditorPrefs.GetInt("delta");
}
if (EditorPrefs.HasKey("textureSpace"))
{
textureSpace = (TextureSpace)EditorPrefs.GetInt("textureSpace");
}
if (EditorPrefs.HasKey("resolution2d"))
{
resolution2d = EditorPrefs.GetInt("resolution2d");
}
if (EditorPrefs.HasKey("resolution3d"))
{
resolution3d = EditorPrefs.GetInt("resolution3d");
}
if (EditorPrefs.HasKey("tName"))
{
tName = EditorPrefs.GetString("tName");
}
titleContent = new GUIContent("Generator");
maxSize = new Vector2(4096, 4096);
NoiseGenerator.noiseType = noiseType;
}
void OnGUI()
{
GUILayout.Label("Noise Texture Generator", EditorStyles.boldLabel);
noiseType = (NoiseType)EditorGUILayout.EnumPopup("noise type", noiseType);
if ((int)noiseType == 0 || (int)noiseType == 1)
{
boxSize = EditorGUILayout.Slider("boxSize", boxSize, 0, 1);
deepness = EditorGUILayout.IntField("deepness", deepness);
delta = EditorGUILayout.IntField("delta", delta);
}
else
{
EditorGUILayout.Space();
}
textureSpace = (TextureSpace)EditorGUILayout.EnumPopup("texture space", textureSpace);
if ((int)textureSpace == 0)
{
resolution2d = EditorGUILayout.IntSlider("texture2d size", resolution2d, 2, 2048);
}
if ((int)textureSpace == 1)
{
resolution3d = EditorGUILayout.IntSlider("texture3d size", resolution3d, 2, 256);
}
//limit atlas textures to squares
int sqrt = Mathf.RoundToInt(Mathf.Pow(resolution3d, 0.25f));
resolution3d = sqrt * sqrt * sqrt * sqrt;
//
if (GUI.changed)
{
NoiseGenerator.noiseType = noiseType;
}
GUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
if (GUILayout.Button("Generate Texture", GUILayout.Width(150)))
{
if ((int)textureSpace == 0)
{
noiseTex = NoiseGenerator.Generate2D(boxSize, deepness, delta, resolution2d);
}
if ((int)textureSpace == 1)
{
noiseTex = NoiseGenerator.Generate3DAtlas(boxSize, deepness, delta, resolution3d);
}
saved = false;
}
GUILayout.FlexibleSpace();
GUILayout.EndHorizontal();
Rect rect = GUILayoutUtility.GetLastRect();
Vector2 size = rect.size;
//Debug.Log(rect.ToString());
if (noiseTex)
{
rect.position += new Vector2(155, rect.height + 10);
if (rect.width - 159 > 0)
{
rect.width = Mathf.Min(rect.width - 159, noiseTex.width);
rect.height = rect.width * noiseTex.height / noiseTex.width;
EditorGUI.DrawPreviewTexture(rect, noiseTex, null, ScaleMode.ScaleToFit);
}
GUILayout.Space(20);
if (GUILayout.Button("Save Texture", GUILayout.Width(120), GUILayout.Height(25)))
{
//encode creation parameters into the texture name
string[] tNameParts = tName.Split('_');
int nParts = tNameParts.Length;
tName = tNameParts[0] + "_" + textureSpace.ToString().Replace("texture", "") + "_" + noiseType.ToString();
if ((int)noiseType != 2)
{
tName += "_" + boxSize.ToString() + "_" + deepness.ToString("0") + "_" + delta.ToString("0");
}
tName += "_";
if (nParts > 1)
{
tName += tNameParts[nParts - 1];
}
//
string path = EditorUtility.SaveFilePanel("Save Noise Texture", tPath, tName + ".png", "png");
if (path.Length > 0)
{
byte[] bytes = noiseTex.EncodeToPNG();
File.WriteAllBytes(path, bytes);
tName = Path.GetFileNameWithoutExtension(path);
tPath = Path.GetDirectoryName(path);
saved = true;
if (path.Contains(Application.dataPath)) //reimport if saved within the Assets folder
{
AssetDatabase.Refresh();
string assetPath = path.Replace(Application.dataPath, "Assets");
TextureImporter A = (TextureImporter)AssetImporter.GetAtPath(assetPath);
A.textureCompression = TextureImporterCompression.Uncompressed;
if (noiseType == NoiseType.pixel)
{
A.filterMode = FilterMode.Point;
}
A.maxTextureSize = 8192;
A.mipmapEnabled = false;
AssetDatabase.ImportAsset(path, ImportAssetOptions.ForceUpdate);
tName = Path.GetFileNameWithoutExtension(path);
}
}
}
GUILayout.Space(20);
GUI.skin.label.wordWrap = true;
if (saved)
{
GUILayout.Label(new GUIContent(tName + ".png"), GUILayout.Width(120), GUILayout.ExpandHeight(true));
}
}
}
