/// <summary>
/// Get cached material for GuiAtlas.
/// </summary>
/// <param name="atlas">GuiAtlas instance.</param>
public Material GetMaterial(GuiAtlas atlas)
{
if (atlas == null)
{
return(null);
}
Material mtrl;
if (!_mtrlCache.ContainsKey(atlas))
{
mtrl = new Material(Shader.Find(atlas.AlphaTexture != null ? StandardShaderName : OpaqueShaderName));
mtrl.mainTexture = atlas.ColorTexture;
mtrl.SetTexture("_AlphaTex", atlas.AlphaTexture);
mtrl.hideFlags = HideFlags.DontSave | HideFlags.HideInInspector;
_mtrlCache[atlas] = mtrl;
}
else
{
mtrl = _mtrlCache[atlas];
}
UpdateMaterial(mtrl);
return(mtrl);
}
public static string BakeAtlas(GuiAtlas atlas, string fileName)
{
if (!AssetDatabase.Contains (atlas)) {
return "Atlas should be saved as asset";
}
if (string.IsNullOrEmpty (fileName)) {
return "Sprite folder not selected";
}
// cleanup.
try {
if (atlas.ColorTexture != null && AssetDatabase.Contains (atlas.ColorTexture)) {
var t = atlas.ColorTexture;
atlas.ColorTexture = null;
AssetDatabase.DeleteAsset (AssetDatabase.GetAssetPath (t));
}
} catch {
}
try {
if (atlas.AlphaTexture != null && AssetDatabase.Contains (atlas.AlphaTexture)) {
var t = atlas.AlphaTexture;
atlas.AlphaTexture = null;
AssetDatabase.DeleteAsset (AssetDatabase.GetAssetPath (t));
}
} catch {
}
AssetDatabase.Refresh ();
var sprites = new List<Texture2D> ();
foreach (var spriteFileName in Directory.GetFiles (fileName, "*.png", SearchOption.TopDirectoryOnly)) {
var spriteTex = new Texture2D (2, 2);
spriteTex.LoadImage (File.ReadAllBytes (spriteFileName));
spriteTex.Apply ();
spriteTex.name = Path.GetFileNameWithoutExtension (spriteFileName);
sprites.Add (spriteTex);
}
var atlasTex = new Texture2D (2, 2, TextureFormat.ARGB32, false);
atlasTex.hideFlags = HideFlags.HideAndDontSave;
Rect[] rects;
if (sprites.Count == 1) {
// special case, one texture
rects = new Rect[] { new Rect (0, 0, 1f, 1f) };
atlasTex.LoadImage (sprites[0].EncodeToPNG ());
atlasTex.Apply ();
} else {
rects = atlasTex.PackTextures (sprites.ToArray (), 2, 2048);
}
var tex = new Texture2D (atlasTex.width, atlasTex.height, TextureFormat.RGB24, false);
tex.hideFlags = HideFlags.HideAndDontSave;
var srcColors = atlasTex.GetPixels32 ();
DestroyImmediate (atlasTex);
atlasTex = null;
var dstAlphas = new Color32[srcColors.Length];
Color32 c;
for (int i = 0; i < srcColors.Length; i++) {
c = srcColors[i];
dstAlphas[i] = new Color32 (c.a, c.a, c.a, 255);
}
tex.SetPixels32 (srcColors);
var colorData = tex.EncodeToPNG ();
tex.SetPixels32 (dstAlphas);
var alphaData = tex.EncodeToPNG ();
DestroyImmediate (tex);
tex = null;
try {
var srcAtlasPath = AssetDatabase.GetAssetPath (atlas);
EditorUtility.DisplayProgressBar ("Save and import atlas data", "Color data processing...", 1f);
var atlasPath = Path.ChangeExtension (srcAtlasPath, "color.png");
File.WriteAllBytes (Path.Combine (Path.Combine (Application.dataPath, ".."), atlasPath), colorData);
EditorUtility.DisplayProgressBar ("Save and import atlas data", "Alpha data processing...", 1f);
var alphaAtlasPath = Path.ChangeExtension (srcAtlasPath, "alpha.png");
File.WriteAllBytes (Path.Combine (Path.Combine (Application.dataPath, ".."), alphaAtlasPath), alphaData);
EditorUtility.DisplayProgressBar ("Save and import atlas data", "Import processed data...", 1f);
AssetDatabase.Refresh ();
atlasTex = FixAtlasImport (atlasPath);
atlas.ColorTexture = atlasTex;
atlas.AlphaTexture = FixAtlasImport (alphaAtlasPath);
var atlasSprites = new List<GuiSpriteData> (sprites.Count);
float atlasWidth = atlasTex.width;
float atlasHeight = atlasTex.height;
for (int i = 0, iMax = sprites.Count; i < iMax; i++) {
var sprData = new GuiSpriteData ();
var sprName = sprites[i].name;
// slicing
var match = _slicedMask.Match (sprName.ToLowerInvariant ());
if (match.Success) {
sprName = sprName.Replace (match.Value, string.Empty);
sprData.BorderL = int.Parse (match.Groups["left"].Value) / atlasWidth;
sprData.BorderT = int.Parse (match.Groups["top"].Value) / atlasHeight;
sprData.BorderR = int.Parse (match.Groups["right"].Value) / atlasWidth;
sprData.BorderB = int.Parse (match.Groups["bottom"].Value) / atlasHeight;
} else {
sprData.BorderL = 0;
sprData.BorderT = 0;
sprData.BorderR = 0;
sprData.BorderB = 0;
}
sprData.Name = sprName;
sprData.CornerX = rects[i].x;
sprData.CornerY = rects[i].y;
sprData.CornerW = rects[i].width;
sprData.CornerH = rects[i].height;
atlasSprites.Add (sprData);
}
atlas.Sprites = atlasSprites.ToArray ();
EditorUtility.SetDirty (atlas);
AssetDatabase.SaveAssets ();
AssetDatabase.Refresh ();
atlas.ResetCache ();
foreach (var panel in FindObjectsOfType<GuiPanel> ()) {
panel.ResetMaterialCache ();
}
foreach (var vis in FindObjectsOfType<GuiWidget> ()) {
vis.SetDirty (GuiDirtyType.Geometry);
EditorUtility.SetDirty (vis);
}
} finally {
EditorUtility.ClearProgressBar ();
for (var i = sprites.Count - 1; i >= 0; i--) {
DestroyImmediate (sprites[i]);
sprites.RemoveAt (i);
}
}
return null;
}
public static string BakeAtlas(GuiAtlas atlas)
{
var fileName = EditorUtility.OpenFolderPanel ("Select sprites folder", Application.dataPath, string.Empty);
return BakeAtlas (atlas, fileName);
}
public static string BakeAtlas(GuiAtlas atlas, string fileName)
{
if (!AssetDatabase.Contains(atlas))
{
return("Atlas should be saved as asset");
}
if (string.IsNullOrEmpty(fileName))
{
return("Sprite folder not selected");
}
// cleanup.
try {
if (atlas.ColorTexture != null && AssetDatabase.Contains(atlas.ColorTexture))
{
var t = atlas.ColorTexture;
atlas.ColorTexture = null;
AssetDatabase.DeleteAsset(AssetDatabase.GetAssetPath(t));
}
} catch {
}
try {
if (atlas.AlphaTexture != null && AssetDatabase.Contains(atlas.AlphaTexture))
{
var t = atlas.AlphaTexture;
atlas.AlphaTexture = null;
AssetDatabase.DeleteAsset(AssetDatabase.GetAssetPath(t));
}
} catch {
}
AssetDatabase.Refresh();
var sprites = new List <Texture2D> ();
foreach (var spriteFileName in Directory.GetFiles(fileName, "*.png", SearchOption.TopDirectoryOnly))
{
var spriteTex = new Texture2D(2, 2);
spriteTex.LoadImage(File.ReadAllBytes(spriteFileName));
spriteTex.Apply();
spriteTex.name = Path.GetFileNameWithoutExtension(spriteFileName);
sprites.Add(spriteTex);
}
var atlasTex = new Texture2D(2, 2, TextureFormat.ARGB32, false);
atlasTex.hideFlags = HideFlags.HideAndDontSave;
Rect[] rects;
if (sprites.Count == 1)
{
// special case, one texture
rects = new Rect[] { new Rect(0, 0, 1f, 1f) };
atlasTex.LoadImage(sprites[0].EncodeToPNG());
atlasTex.Apply();
}
else
{
rects = atlasTex.PackTextures(sprites.ToArray(), 2, 2048);
}
var tex = new Texture2D(atlasTex.width, atlasTex.height, TextureFormat.RGB24, false);
tex.hideFlags = HideFlags.HideAndDontSave;
var srcColors = atlasTex.GetPixels32();
DestroyImmediate(atlasTex);
atlasTex = null;
var dstAlphas = new Color32[srcColors.Length];
Color32 c;
for (int i = 0; i < srcColors.Length; i++)
{
c = srcColors[i];
dstAlphas[i] = new Color32(c.a, c.a, c.a, 255);
}
tex.SetPixels32(srcColors);
var colorData = tex.EncodeToPNG();
tex.SetPixels32(dstAlphas);
var alphaData = tex.EncodeToPNG();
DestroyImmediate(tex);
tex = null;
try {
var srcAtlasPath = AssetDatabase.GetAssetPath(atlas);
EditorUtility.DisplayProgressBar("Save and import atlas data", "Color data processing...", 1f);
var atlasPath = Path.ChangeExtension(srcAtlasPath, "color.png");
File.WriteAllBytes(Path.Combine(Path.Combine(Application.dataPath, ".."), atlasPath), colorData);
EditorUtility.DisplayProgressBar("Save and import atlas data", "Alpha data processing...", 1f);
var alphaAtlasPath = Path.ChangeExtension(srcAtlasPath, "alpha.png");
File.WriteAllBytes(Path.Combine(Path.Combine(Application.dataPath, ".."), alphaAtlasPath), alphaData);
EditorUtility.DisplayProgressBar("Save and import atlas data", "Import processed data...", 1f);
AssetDatabase.Refresh();
atlasTex = FixAtlasImport(atlasPath);
atlas.ColorTexture = atlasTex;
atlas.AlphaTexture = FixAtlasImport(alphaAtlasPath);
var atlasSprites = new List <GuiSpriteData> (sprites.Count);
float atlasWidth = atlasTex.width;
float atlasHeight = atlasTex.height;
for (int i = 0, iMax = sprites.Count; i < iMax; i++)
{
var sprData = new GuiSpriteData();
var sprName = sprites[i].name;
// slicing
var match = _slicedMask.Match(sprName.ToLowerInvariant());
if (match.Success)
{
sprName = sprName.Replace(match.Value, string.Empty);
sprData.BorderL = int.Parse(match.Groups["left"].Value) / atlasWidth;
sprData.BorderT = int.Parse(match.Groups["top"].Value) / atlasHeight;
sprData.BorderR = int.Parse(match.Groups["right"].Value) / atlasWidth;
sprData.BorderB = int.Parse(match.Groups["bottom"].Value) / atlasHeight;
}
else
{
sprData.BorderL = 0;
sprData.BorderT = 0;
sprData.BorderR = 0;
sprData.BorderB = 0;
}
sprData.Name = sprName;
sprData.CornerX = rects[i].x;
sprData.CornerY = rects[i].y;
sprData.CornerW = rects[i].width;
sprData.CornerH = rects[i].height;
atlasSprites.Add(sprData);
}
atlas.Sprites = atlasSprites.ToArray();
EditorUtility.SetDirty(atlas);
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
atlas.ResetCache();
foreach (var panel in FindObjectsOfType <GuiPanel>())
{
panel.ResetMaterialCache();
}
foreach (var vis in FindObjectsOfType <GuiWidget>())
{
vis.SetDirty(GuiDirtyType.Geometry);
EditorUtility.SetDirty(vis);
}
} finally {
EditorUtility.ClearProgressBar();
for (var i = sprites.Count - 1; i >= 0; i--)
{
DestroyImmediate(sprites[i]);
sprites.RemoveAt(i);
}
}
return(null);
}
public static string BakeAtlas(GuiAtlas atlas)
{
var fileName = EditorUtility.OpenFolderPanel("Select sprites folder", Application.dataPath, string.Empty);
return(BakeAtlas(atlas, fileName));
}
