public static bool Rebuild(tk2dSpriteCollection gen)
{
// avoid "recursive" build being triggered by texture watcher
if (currentBuild != null)
return false;
// Version specific checks. These need to be done before the sprite collection is upgraded.
if (gen.version < 2)
{
if (!tk2dEditor.SpriteCollectionBuilder.Deprecated.CheckAndFixUpParams(gen))
{
// Params failed check
return false;
}
tk2dEditor.SpriteCollectionBuilder.Deprecated.SetUpSpriteSheets(gen);
tk2dEditor.SpriteCollectionBuilder.Deprecated.TrimTextureList(gen);
}
currentBuild = gen;
gen.Upgrade(); // upgrade if necessary. could be invoked by texture watcher.
// Get some sensible paths to work with
string dataDirName = GetOrCreateDataPath(gen) + "/";
string prefabObjectPath = "";
if (gen.spriteCollection)
prefabObjectPath = AssetDatabase.GetAssetPath(gen.spriteCollection);
else
prefabObjectPath = dataDirName + gen.name + ".prefab";
BuildDirectoryToFile(prefabObjectPath);
// Create prefab object, needed for next stage
CreateDataObject( gen, prefabObjectPath );
// Special build for platform specific sprite collection
if (gen.HasPlatformData)
{
// Initialize required sprite collections
tk2dEditor.SpriteCollectionBuilder.PlatformBuilder.InitializeSpriteCollectionPlatforms(gen, System.IO.Path.GetDirectoryName(prefabObjectPath));
// The first sprite collection is always THIS
tk2dAssetPlatform baseAssetPlatform = tk2dSystem.GetAssetPlatform(gen.platforms[0].name);
float baseScale = (baseAssetPlatform != null)?baseAssetPlatform.scale:1.0f;
// Building platform specific data, allow recursive builds temporarily
currentBuild = null;
// Transfer to platform sprite collections, and build those
for (int i = 0; i < gen.platforms.Count; ++i)
{
tk2dSpriteCollectionPlatform platform = gen.platforms[i];
tk2dAssetPlatform thisAssetPlatform = tk2dSystem.GetAssetPlatform(gen.platforms[i].name);
float thisScale = (thisAssetPlatform != null)?thisAssetPlatform.scale:1.0f;
bool validPlatform = platform.name.Length > 0 && platform.spriteCollection != null;
bool isRootSpriteCollection = (i == 0);
if (validPlatform)
{
tk2dSpriteCollection thisPlatformCollection = gen.platforms[i].spriteCollection;
// Make sure data directory exists, material overrides will be created in here
string dataPath = GetOrCreateDataPath(thisPlatformCollection);
tk2dEditor.SpriteCollectionBuilder.PlatformBuilder.UpdatePlatformSpriteCollection(
gen, thisPlatformCollection, dataPath, isRootSpriteCollection, thisScale / baseScale, platform.name);
Rebuild(thisPlatformCollection);
}
}
// Pull atlas data from default platform
gen.atlasMaterials = gen.platforms[0].spriteCollection.atlasMaterials;
gen.altMaterials = gen.platforms[0].spriteCollection.altMaterials;
// Fill up our sprite collection data
List<string> platformNames = new List<string>();
List<string> platformGUIDs = new List<string>();
for (int i = 0; i < gen.platforms.Count; ++i)
{
tk2dSpriteCollectionPlatform platform = gen.platforms[i];
if (!platform.Valid) continue;
platformNames.Add(platform.name);
tk2dSpriteCollectionData data = platform.spriteCollection.spriteCollection;
string guid = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(data));
platformGUIDs.Add(guid);
// Make loadable
tk2dSystemUtility.MakeLoadableAsset(data, ""); // unnamed loadable object
}
// Set up fonts
for (int j = 0; j < gen.fonts.Length; ++j)
{
tk2dSpriteCollectionFont font = gen.fonts[j];
if (font == null) continue;
tk2dFontData data = font.data;
if (!data) continue;
data.hasPlatformData = true;
data.material = null;
data.materialInst = null;
data.fontPlatforms = platformNames.ToArray();
data.fontPlatformGUIDs = new string[platformNames.Count];
for (int i = 0; i < gen.platforms.Count; ++i)
{
tk2dSpriteCollectionPlatform platform = gen.platforms[i];
if (!platform.Valid) continue;
data.fontPlatformGUIDs[i] = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(gen.platforms[i].spriteCollection.fonts[j].data));
}
EditorUtility.SetDirty(data);
}
gen.spriteCollection.version = tk2dSpriteCollectionData.CURRENT_VERSION;
gen.spriteCollection.spriteCollectionName = gen.name;
gen.spriteCollection.spriteCollectionGUID = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(gen));
gen.spriteCollection.dataGuid = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(gen.spriteCollection));
// Clear out data
gen.spriteCollection.spriteDefinitions = new tk2dSpriteDefinition[0];
gen.spriteCollection.materials = new Material[0];
gen.spriteCollection.textures = new Texture2D[0];
gen.spriteCollection.hasPlatformData = true;
gen.spriteCollection.spriteCollectionPlatforms = platformNames.ToArray();
gen.spriteCollection.spriteCollectionPlatformGUIDs = platformGUIDs.ToArray();
EditorUtility.SetDirty(gen);
EditorUtility.SetDirty(gen.spriteCollection);
// Index this properly
tk2dEditorUtility.GetOrCreateIndex().AddSpriteCollectionData(gen.spriteCollection);
tk2dEditorUtility.CommitIndex();
AssetDatabase.SaveAssets();
ResetCurrentBuild();
return true;
}
else
{
// clear platform data
gen.spriteCollection.ResetPlatformData(); // in case its being used
gen.spriteCollection.hasPlatformData = false;
gen.spriteCollection.spriteCollectionPlatforms = new string[0];
gen.spriteCollection.spriteCollectionPlatformGUIDs = new string[0];
// Set up fonts
for (int j = 0; j < gen.fonts.Length; ++j)
{
tk2dFontData f = gen.fonts[j].data;
if (f != null)
{
f.ResetPlatformData();
f.hasPlatformData = false;
f.fontPlatforms = new string[0];
f.fontPlatformGUIDs = new string[0];
EditorUtility.SetDirty(f);
}
}
}
// Make sure all source textures are in the correct format
SetUpSourceTextureFormats(gen);
// blank texture used when texture has been deleted
Texture2D blankTexture = new Texture2D(2, 2);
blankTexture.SetPixel(0, 0, Color.magenta);
blankTexture.SetPixel(0, 1, Color.yellow);
blankTexture.SetPixel(1, 0, Color.cyan);
blankTexture.SetPixel(1, 1, Color.grey);
blankTexture.Apply();
// make local texture sources
List<Texture2D> allocatedTextures = new List<Texture2D>();
sourceTextures = new Texture2D[gen.textureParams.Length];
for (int i = 0; i < gen.textureParams.Length; ++i)
{
var param = gen.textureParams[i];
if (param.extractRegion && param.texture != null)
{
Texture2D localTex = new Texture2D(param.regionW, param.regionH);
for (int y = 0; y < param.regionH; ++y)
{
for (int x = 0; x < param.regionW; ++x)
{
localTex.SetPixel(x, y, param.texture.GetPixel(param.regionX + x, param.regionY + y));
}
}
localTex.name = param.texture.name + "/" + param.regionId.ToString();
localTex.Apply();
allocatedTextures.Add(localTex);
sourceTextures[i] = localTex;
}
else
{
sourceTextures[i] = gen.textureParams[i].texture;
}
}
// catalog all textures to atlas
int numTexturesToAtlas = 0;
List<SpriteLut> spriteLuts = new List<SpriteLut>();
for (int i = 0; i < gen.textureParams.Length; ++i)
{
Texture2D currentTexture = sourceTextures[i];
if (sourceTextures[i] == null)
{
gen.textureParams[i].dice = false;
gen.textureParams[i].anchor = tk2dSpriteCollectionDefinition.Anchor.MiddleCenter;
gen.textureParams[i].name = "";
gen.textureParams[i].extractRegion = false;
gen.textureParams[i].fromSpriteSheet = false;
currentTexture = blankTexture;
}
else
{
if (gen.textureParams[i].name == null || gen.textureParams[i].name == "")
{
if (gen.textureParams[i].texture != currentTexture && !gen.textureParams[i].fromSpriteSheet)
{
gen.textureParams[i].name = currentTexture.name;
}
}
}
if (gen.textureParams[i].dice)
{
// prepare to dice this up
int diceUnitX = gen.textureParams[i].diceUnitX;
int diceUnitY = gen.textureParams[i].diceUnitY;
if (diceUnitX <= 0) diceUnitX = 128; // something sensible, please
if (diceUnitY <= 0) diceUnitY = diceUnitX; // make square if not set
Texture2D srcTex = currentTexture;
for (int sx = 0; sx < srcTex.width; sx += diceUnitX)
{
for (int sy = 0; sy < srcTex.height; sy += diceUnitY)
{
int tw = Mathf.Min(diceUnitX, srcTex.width - sx);
int th = Mathf.Min(diceUnitY, srcTex.height - sy);
SpriteLut diceLut = new SpriteLut();
diceLut.source = i;
diceLut.isSplit = true;
diceLut.sourceTex = srcTex;
diceLut.isDuplicate = false; // duplicate diced textures can be chopped up differently, so don't detect dupes here
Texture2D dest = ProcessTexture(gen, gen.textureParams[i].additive, true, gen.textureParams[i].disableTrimming, false, srcTex, sx, sy, tw, th, ref diceLut, GetPadAmount(gen, i));
if (dest)
{
diceLut.atlasIndex = numTexturesToAtlas++;
spriteLuts.Add(diceLut);
}
}
}
}
else
{
SpriteLut lut = new SpriteLut();
lut.sourceTex = currentTexture;
lut.source = i;
lut.isSplit = false;
lut.isDuplicate = false;
for (int j = 0; j < spriteLuts.Count; ++j)
{
if (spriteLuts[j].sourceTex == lut.sourceTex)
{
lut.isDuplicate = true;
lut.atlasIndex = spriteLuts[j].atlasIndex;
lut.tex = spriteLuts[j].tex; // get old processed tex
lut.rx = spriteLuts[j].rx; lut.ry = spriteLuts[j].ry;
lut.rw = spriteLuts[j].rw; lut.rh = spriteLuts[j].rh;
break;
}
}
if (!lut.isDuplicate)
{
lut.atlasIndex = numTexturesToAtlas++;
bool stretchPad = false;
if (gen.textureParams[i].pad == tk2dSpriteCollectionDefinition.Pad.Extend) stretchPad = true;
Texture2D dest = ProcessTexture(gen, gen.textureParams[i].additive, stretchPad, gen.textureParams[i].disableTrimming, false, currentTexture, 0, 0, currentTexture.width, currentTexture.height, ref lut, GetPadAmount(gen, i));
if (dest == null)
{
// fall back to a tiny blank texture
lut.tex = new Texture2D(1, 1);
lut.tex.SetPixel(0, 0, new Color( 0, 0, 0, 0 ));
PadTexture(lut.tex, GetPadAmount(gen, i), stretchPad);
lut.tex.Apply();
lut.rx = currentTexture.width / 2; lut.ry = currentTexture.height / 2;
lut.rw = 1; lut.rh = 1;
}
}
spriteLuts.Add(lut);
}
}
// Font
Dictionary<tk2dSpriteCollectionFont, tk2dEditor.Font.Info> fontInfoDict = new Dictionary<tk2dSpriteCollectionFont, tk2dEditor.Font.Info>();
if (gen.fonts != null)
{
for (int i = 0; i < gen.fonts.Length; ++i)
{
var font = gen.fonts[i];
if (!font.InUse) continue;
var fontInfo = tk2dEditor.Font.Builder.ParseBMFont( AssetDatabase.GetAssetPath(font.bmFont) );
fontInfoDict[font] = fontInfo;
foreach (var c in fontInfo.chars)
{
// skip empty textures
if (c.width <= 0 || c.height <= 0)
continue;
SpriteLut lut = new SpriteLut();
int cy = font.flipTextureY?c.y:(fontInfo.scaleH - c.y - c.height);
Texture2D dest = ProcessTexture(gen, false, false, false, true,
font.texture, c.x, cy, c.width, c.height,
ref lut, GetPadAmount(gen, -1));
if (dest == null)
{
// probably fully transparent
continue;
}
lut.sourceTex = dest;
lut.tex = dest;
lut.source = -1;
lut.isFont = true;
lut.isDuplicate = false;
lut.fontId = i;
lut.charId = c.id;
lut.rx = lut.rx - c.x;
lut.ry = lut.ry - cy;
lut.atlasIndex = numTexturesToAtlas++;
spriteLuts.Add(lut);
}
// Add one blank char for fallbacks
{
int dims = 5;
SpriteLut lut = new SpriteLut();
lut.tex = new Texture2D(dims, dims);
for (int y = 0; y < dims; ++y)
for (int x = 0; x < dims; ++x)
lut.tex.SetPixel(x, y, Color.clear);
lut.tex.Apply();
lut.sourceTex = lut.tex;
lut.isFont = true;
lut.isDuplicate = false;
lut.fontId = i;
lut.charId = -1;
lut.atlasIndex = numTexturesToAtlas++;
spriteLuts.Add(lut);
}
}
}
// Create texture
Texture2D[] textureList = new Texture2D[numTexturesToAtlas];
int titer = 0;
for (int i = 0; i < spriteLuts.Count; ++i)
{
SpriteLut _lut = spriteLuts[i];
if (!_lut.isDuplicate)
{
textureList[titer++] = _lut.tex;
}
}
// Build atlas
bool forceAtlasSize = gen.forceTextureSize;
int atlasWidth = forceAtlasSize?gen.forcedTextureWidth:gen.maxTextureSize;
int atlasHeight = forceAtlasSize?gen.forcedTextureHeight:gen.maxTextureSize;
bool forceSquareAtlas = forceAtlasSize?false:gen.forceSquareAtlas;
bool allowFindingOptimalSize = !forceAtlasSize;
tk2dEditor.Atlas.Builder atlasBuilder = new tk2dEditor.Atlas.Builder(atlasWidth, atlasHeight, gen.allowMultipleAtlases?64:1, allowFindingOptimalSize, forceSquareAtlas);
if (textureList.Length > 0)
{
foreach (Texture2D currTexture in textureList)
{
atlasBuilder.AddRect(currTexture.width, currTexture.height);
}
if (atlasBuilder.Build() != 0)
{
if (atlasBuilder.HasOversizeTextures())
{
EditorUtility.DisplayDialog("Unable to fit in atlas",
"You have a texture which exceeds the atlas size. " +
"Consider putting it in a separate atlas, enabling dicing, or " +
"reducing the texture size",
"Ok");
}
else
{
EditorUtility.DisplayDialog("Unable to fit textures in requested atlas area",
"There are too many textures in this collection for the requested " +
"atlas size.",
"Ok");
}
return false;
}
}
// Fill atlas textures
tk2dEditor.Atlas.Data[] atlasData = atlasBuilder.GetAtlasData();
System.Array.Resize(ref gen.atlasTextures, atlasData.Length);
System.Array.Resize(ref gen.atlasMaterials, atlasData.Length);
if (atlasData.Length > 1)
{
// wipe out alt materials when atlas spanning is on
gen.altMaterials = new Material[0];
}
for (int atlasIndex = 0; atlasIndex < atlasData.Length; ++atlasIndex)
{
Texture2D tex = new Texture2D(64, 64, TextureFormat.ARGB32, false);
gen.atlasWastage = (1.0f - atlasData[0].occupancy) * 100.0f;
gen.atlasWidth = atlasData[0].width;
gen.atlasHeight = atlasData[0].height;
tex.Resize(atlasData[atlasIndex].width, atlasData[atlasIndex].height);
// Clear texture, unsure if this is REALLY necessary
// Turns out it is
for (int yy = 0; yy < tex.height; ++yy)
{
for (int xx = 0; xx < tex.width; ++xx)
{
tex.SetPixel(xx, yy, Color.clear);
}
}
for (int i = 0; i < atlasData[atlasIndex].entries.Length; ++i)
{
var entry = atlasData[atlasIndex].entries[i];
Texture2D source = textureList[entry.index];
if (!entry.flipped)
{
for (int y = 0; y < source.height; ++y)
{
for (int x = 0; x < source.width; ++x)
{
tex.SetPixel(entry.x + x, entry.y + y, source.GetPixel(x, y));
}
}
}
else
{
for (int y = 0; y < source.height; ++y)
{
for (int x = 0; x < source.width; ++x)
{
tex.SetPixel(entry.x + y, entry.y + x, source.GetPixel(x, y));
}
}
}
}
tex.Apply();
string texturePath = gen.atlasTextures[atlasIndex]?AssetDatabase.GetAssetPath(gen.atlasTextures[atlasIndex]):(dataDirName + "atlas" + atlasIndex + ".png");
BuildDirectoryToFile(texturePath);
// Write filled atlas to disk
byte[] bytes = tex.EncodeToPNG();
System.IO.FileStream fs = System.IO.File.Create(texturePath);
fs.Write(bytes, 0, bytes.Length);
fs.Close();
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
Object.DestroyImmediate(tex);
tex = AssetDatabase.LoadAssetAtPath(texturePath, typeof(Texture2D)) as Texture2D;
gen.atlasTextures[atlasIndex] = tex;
// Make sure texture is set up with the correct max size and compression type
SetUpTargetTexture(gen, tex);
// Create material if necessary
if (gen.atlasMaterials[atlasIndex] == null)
{
Material mat;
if (gen.premultipliedAlpha)
mat = new Material(Shader.Find("tk2d/PremulVertexColor"));
else
mat = new Material(Shader.Find("tk2d/BlendVertexColor"));
mat.mainTexture = tex;
string materialPath = gen.atlasMaterials[atlasIndex]?AssetDatabase.GetAssetPath(gen.atlasMaterials[atlasIndex]):(dataDirName + "atlas" + atlasIndex + " material.mat");
BuildDirectoryToFile(materialPath);
AssetDatabase.CreateAsset(mat, materialPath);
AssetDatabase.SaveAssets();
gen.atlasMaterials[atlasIndex] = AssetDatabase.LoadAssetAtPath(materialPath, typeof(Material)) as Material;
}
// gen.altMaterials must either have length 0, or contain at least the material used in the game
if (!gen.allowMultipleAtlases && (gen.altMaterials == null || gen.altMaterials.Length == 0))
gen.altMaterials = new Material[1] { gen.atlasMaterials[0] };
}
tk2dSpriteCollectionData coll = gen.spriteCollection;
coll.textures = new Texture[gen.atlasTextures.Length];
for (int i = 0; i < gen.atlasTextures.Length; ++i)
{
coll.textures[i] = gen.atlasTextures[i];
}
if (gen.atlasMaterials.Length == 1)
{
coll.materials = new Material[gen.altMaterials.Length];
for (int i = 0; i < gen.altMaterials.Length; ++i)
coll.materials[i] = gen.altMaterials[i];
}
else
{
coll.materials = new Material[gen.atlasMaterials.Length];
for (int i = 0; i < gen.atlasMaterials.Length; ++i)
coll.materials[i] = gen.atlasMaterials[i];
}
// Wipe out legacy data
coll.material = null;
coll.premultipliedAlpha = gen.premultipliedAlpha;
coll.spriteDefinitions = new tk2dSpriteDefinition[gen.textureParams.Length];
coll.version = tk2dSpriteCollectionData.CURRENT_VERSION;
coll.materialIdsValid = true;
coll.spriteCollectionGUID = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(gen));
coll.spriteCollectionName = gen.name;
coll.invOrthoSize = 1.0f / gen.targetOrthoSize;
coll.halfTargetHeight = gen.targetHeight * 0.5f;
int buildKey = Random.Range(0, int.MaxValue);
while (buildKey == coll.buildKey)
{
buildKey = Random.Range(0, int.MaxValue);
}
coll.buildKey = buildKey; // a random build number so we can identify changed collections quickly
for (int i = 0; i < coll.spriteDefinitions.Length; ++i)
{
coll.spriteDefinitions[i] = new tk2dSpriteDefinition();
if (gen.textureParams[i].texture)
{
string assetPath = AssetDatabase.GetAssetPath(gen.textureParams[i].texture);
string guid = AssetDatabase.AssetPathToGUID(assetPath);
coll.spriteDefinitions[i].sourceTextureGUID = guid;
}
else
{
coll.spriteDefinitions[i].sourceTextureGUID = "";
}
coll.spriteDefinitions[i].extractRegion = gen.textureParams[i].extractRegion;
coll.spriteDefinitions[i].regionX = gen.textureParams[i].regionX;
coll.spriteDefinitions[i].regionY = gen.textureParams[i].regionY;
coll.spriteDefinitions[i].regionW = gen.textureParams[i].regionW;
coll.spriteDefinitions[i].regionH = gen.textureParams[i].regionH;
}
coll.allowMultipleAtlases = gen.allowMultipleAtlases;
coll.dataGuid = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(coll));
float scale = 1.0f;
if (gen.useTk2dCamera)
{
scale = 1.0f * gen.globalScale;
}
else
{
scale = (2.0f * gen.targetOrthoSize / gen.targetHeight) * gen.globalScale;
}
// Build fonts
foreach (var font in fontInfoDict.Keys)
{
var fontInfo = fontInfoDict[font];
List<SpriteLut> fontSpriteLut = new List<SpriteLut>();
int fontId = 0;
for (fontId = 0; fontId < gen.fonts.Length; ++fontId)
if (gen.fonts[fontId] == font) break;
foreach (var v in spriteLuts)
{
if (v.isFont && v.fontId == fontId)
fontSpriteLut.Add(v);
}
fontInfo.scaleW = coll.textures[0].width;
fontInfo.scaleH = coll.textures[0].height;
// Set material
if (font.useGradient && font.gradientTexture != null && font.gradientCount > 0)
{
font.editorData.gradientCount = font.gradientCount;
font.editorData.gradientTexture = font.gradientTexture;
}
else
{
font.editorData.gradientCount = 1;
font.editorData.gradientTexture = null;
}
// Build a local sprite lut only relevant to this font
UpdateFontData(gen, scale, atlasData, fontSpriteLut, font, fontInfo);
if (font.useGradient && font.gradientTexture != null)
{
font.data.gradientCount = font.editorData.gradientCount;
font.data.gradientTexture = font.editorData.gradientTexture;
font.data.textureGradients = true;
}
else
{
font.data.gradientCount = 1;
font.data.gradientTexture = null;
font.data.textureGradients = false;
}
font.data.spriteCollection = gen.spriteCollection;
font.data.material = coll.materials[font.materialId];
font.editorData.material = coll.materials[font.materialId];
font.data.invOrthoSize = coll.invOrthoSize;
font.data.halfTargetHeight = coll.halfTargetHeight;
font.data.texelSize = new Vector3(scale, scale, 0.0f);
// Managed?
font.data.managedFont = gen.managedSpriteCollection;
font.data.needMaterialInstance = gen.managedSpriteCollection;
// Mark to save
EditorUtility.SetDirty(font.editorData);
EditorUtility.SetDirty(font.data);
// Update font
tk2dEditorUtility.GetOrCreateIndex().AddOrUpdateFont(font.editorData);
tk2dEditorUtility.CommitIndex();
// Loadable?
if (!tk2dSystemUtility.IsLoadableAsset(font.data))
tk2dSystemUtility.MakeLoadableAsset(font.data, "");
}
// Build textures
UpdateVertexCache(gen, scale, atlasData, coll, spriteLuts);
// Free tmp textures
foreach (var sprite in spriteLuts)
{
if (!sprite.isDuplicate)
Object.DestroyImmediate(sprite.tex);
}
foreach (var tex in allocatedTextures)
Object.DestroyImmediate(tex);
// refresh existing
RefreshExistingAssets(gen.spriteCollection);
// save changes
gen.spriteCollection.assetName = gen.assetName;
gen.spriteCollection.managedSpriteCollection = gen.managedSpriteCollection;
gen.spriteCollection.needMaterialInstance = gen.managedSpriteCollection;
var index = tk2dEditorUtility.GetOrCreateIndex();
index.AddSpriteCollectionData(gen.spriteCollection);
EditorUtility.SetDirty(gen.spriteCollection);
EditorUtility.SetDirty(gen);
sourceTextures = null; // need to clear, its static
currentBuild = null;
tk2dEditorUtility.GetOrCreateIndex().AddSpriteCollectionData(gen.spriteCollection);
tk2dEditorUtility.CommitIndex();
Object.DestroyImmediate(blankTexture);
// update resource system
if (tk2dSystemUtility.IsLoadableAsset(gen.spriteCollection))
{
tk2dSystemUtility.UpdateAssetName(gen.spriteCollection, gen.assetName);
}
return true;
}
public static bool Rebuild(tk2dSpriteCollection gen)
{
// avoid "recursive" build being triggered by texture watcher
if (currentBuild != null)
return false;
currentBuild = gen;
List<Texture2D> allocatedTextures = new List<Texture2D>();
string path = AssetDatabase.GetAssetPath(gen);
string subDirName = Path.GetDirectoryName( path.Substring(7) );
if (subDirName.Length > 0) subDirName += "/";
string dataDirFullPath = Application.dataPath + "/" + subDirName + Path.GetFileNameWithoutExtension(path) + "_Data";
string dataDirName = "Assets/" + dataDirFullPath.Substring( Application.dataPath.Length + 1 ) + "/";
if (gen.atlasTextures == null || gen.atlasTextures.Length == 0 ||
gen.atlasMaterials == null || gen.atlasMaterials.Length == 0 ||
gen.spriteCollection == null)
{
if (!Directory.Exists(dataDirFullPath)) Directory.CreateDirectory(dataDirFullPath);
AssetDatabase.Refresh();
}
string prefabObjectPath = gen.spriteCollection?AssetDatabase.GetAssetPath(gen.spriteCollection):(dataDirName + "data.prefab");
if (!CheckAndFixUpParams(gen))
{
// Params failed check
return false;
}
SetUpSourceTextureFormats(gen);
SetUpSpriteSheets(gen);
TrimTextureList(gen);
// blank texture used when texture has been deleted
Texture2D blankTexture = new Texture2D(2, 2);
blankTexture.SetPixel(0, 0, Color.magenta);
blankTexture.SetPixel(0, 1, Color.yellow);
blankTexture.SetPixel(1, 0, Color.cyan);
blankTexture.SetPixel(1, 1, Color.grey);
blankTexture.Apply();
// make local texture sources
sourceTextures = new Texture2D[gen.textureRefs.Length];
for (int i = 0; i < gen.textureParams.Length; ++i)
{
var param = gen.textureParams[i];
if (param.extractRegion && gen.textureRefs[i] != null)
{
Texture2D localTex = new Texture2D(param.regionW, param.regionH);
for (int y = 0; y < param.regionH; ++y)
{
for (int x = 0; x < param.regionW; ++x)
{
localTex.SetPixel(x, y, gen.textureRefs[i].GetPixel(param.regionX + x, param.regionY + y));
}
}
localTex.name = gen.textureRefs[i].name + "/" + param.regionId.ToString();
localTex.Apply();
allocatedTextures.Add(localTex);
sourceTextures[i] = localTex;
}
else
{
sourceTextures[i] = gen.textureRefs[i];
}
}
// catalog all textures to atlas
int numTexturesToAtlas = 0;
List<SpriteLut> spriteLuts = new List<SpriteLut>();
for (int i = 0; i < gen.textureParams.Length; ++i)
{
Texture2D currentTexture = sourceTextures[i];
if (sourceTextures[i] == null)
{
gen.textureParams[i].dice = false;
gen.textureParams[i].anchor = tk2dSpriteCollectionDefinition.Anchor.MiddleCenter;
gen.textureParams[i].name = "";
gen.textureParams[i].extractRegion = false;
gen.textureParams[i].fromSpriteSheet = false;
currentTexture = blankTexture;
}
else
{
if (gen.textureParams[i].name == null || gen.textureParams[i].name == "")
{
if (gen.textureParams[i].texture != currentTexture && !gen.textureParams[i].fromSpriteSheet)
{
gen.textureParams[i].name = currentTexture.name;
}
}
}
gen.textureParams[i].texture = currentTexture;
if (gen.textureParams[i].dice)
{
// prepare to dice this up
int diceUnitX = gen.textureParams[i].diceUnitX;
int diceUnitY = gen.textureParams[i].diceUnitY;
if (diceUnitX <= 0) diceUnitX = 128; // something sensible, please
if (diceUnitY <= 0) diceUnitY = diceUnitX; // make square if not set
Texture2D srcTex = currentTexture;
for (int sx = 0; sx < srcTex.width; sx += diceUnitX)
{
for (int sy = 0; sy < srcTex.height; sy += diceUnitY)
{
int tw = Mathf.Min(diceUnitX, srcTex.width - sx);
int th = Mathf.Min(diceUnitY, srcTex.height - sy);
SpriteLut diceLut = new SpriteLut();
diceLut.source = i;
diceLut.isSplit = true;
diceLut.sourceTex = srcTex;
diceLut.isDuplicate = false; // duplicate diced textures can be chopped up differently, so don't detect dupes here
Texture2D dest = ProcessTexture(gen, gen.textureParams[i].additive, true, srcTex, sx, sy, tw, th, ref diceLut, GetPadAmount(gen, i));
if (dest)
{
diceLut.atlasIndex = numTexturesToAtlas++;
spriteLuts.Add(diceLut);
}
}
}
}
else
{
SpriteLut lut = new SpriteLut();
lut.sourceTex = currentTexture;
lut.source = i;
lut.isSplit = false;
lut.isDuplicate = false;
for (int j = 0; j < spriteLuts.Count; ++j)
{
if (spriteLuts[j].sourceTex == lut.sourceTex)
{
lut.isDuplicate = true;
lut.atlasIndex = spriteLuts[j].atlasIndex;
lut.tex = spriteLuts[j].tex; // get old processed tex
lut.rx = spriteLuts[j].rx; lut.ry = spriteLuts[j].ry;
lut.rw = spriteLuts[j].rw; lut.rh = spriteLuts[j].rh;
break;
}
}
if (!lut.isDuplicate)
{
lut.atlasIndex = numTexturesToAtlas++;
bool stretchPad = false;
if (gen.textureParams[i].pad == tk2dSpriteCollectionDefinition.Pad.Extend) stretchPad = true;
Texture2D dest = ProcessTexture(gen, gen.textureParams[i].additive, stretchPad, currentTexture, 0, 0, currentTexture.width, currentTexture.height, ref lut, GetPadAmount(gen, i));
if (dest == null)
{
// fall back to a tiny blank texture
lut.tex = new Texture2D(1, 1);
lut.tex.SetPixel(0, 0, new Color( 0, 0, 0, 0 ));
PadTexture(lut.tex, GetPadAmount(gen, i), stretchPad);
lut.tex.Apply();
lut.rx = currentTexture.width / 2; lut.ry = currentTexture.height / 2;
lut.rw = 1; lut.rh = 1;
}
}
spriteLuts.Add(lut);
}
}
// Font
Dictionary<tk2dSpriteCollectionFont, tk2dEditor.Font.Info> fontInfoDict = new Dictionary<tk2dSpriteCollectionFont, tk2dEditor.Font.Info>();
if (gen.fonts != null)
{
for (int i = 0; i < gen.fonts.Length; ++i)
{
var font = gen.fonts[i];
if (!font.InUse) continue;
var fontInfo = tk2dEditor.Font.Builder.ParseBMFont( AssetDatabase.GetAssetPath(font.bmFont) );
fontInfoDict[font] = fontInfo;
foreach (var c in fontInfo.chars)
{
// skip empty textures
if (c.width <= 0 || c.height <= 0)
continue;
SpriteLut lut = new SpriteLut();
int cy = font.flipTextureY?c.y:(fontInfo.scaleH - c.y - c.height);
Texture2D dest = ProcessTexture(gen, false, false,
font.texture, c.x, cy, c.width, c.height,
ref lut, GetPadAmount(gen, -1));
if (dest == null)
{
// probably fully transparent
continue;
}
lut.sourceTex = dest;
lut.tex = dest;
lut.source = -1;
lut.isFont = true;
lut.isDuplicate = false;
lut.fontId = i;
lut.charId = c.id;
lut.rx = lut.rx - c.x;
lut.ry = lut.ry - cy;
lut.atlasIndex = numTexturesToAtlas++;
spriteLuts.Add(lut);
}
// Add one blank char for fallbacks
{
int dims = 5;
SpriteLut lut = new SpriteLut();
lut.tex = new Texture2D(dims, dims);
for (int y = 0; y < dims; ++y)
for (int x = 0; x < dims; ++x)
lut.tex.SetPixel(x, y, Color.clear);
lut.tex.Apply();
lut.sourceTex = lut.tex;
lut.isFont = true;
lut.isDuplicate = false;
lut.fontId = i;
lut.charId = -1;
lut.atlasIndex = numTexturesToAtlas++;
spriteLuts.Add(lut);
}
}
}
// Create texture
Texture2D[] textureList = new Texture2D[numTexturesToAtlas];
int titer = 0;
for (int i = 0; i < spriteLuts.Count; ++i)
{
SpriteLut _lut = spriteLuts[i];
if (!_lut.isDuplicate)
{
textureList[titer++] = _lut.tex;
}
}
// Build atlas
tk2dEditor.Atlas.Builder atlasBuilder = new tk2dEditor.Atlas.Builder(gen.maxTextureSize, gen.maxTextureSize, gen.allowMultipleAtlases?64:1, gen.forceSquareAtlas);
if (textureList.Length > 0)
{
foreach (Texture2D currTexture in textureList)
{
atlasBuilder.AddRect(currTexture.width, currTexture.height);
}
if (atlasBuilder.Build() != 0)
{
if (atlasBuilder.HasOversizeTextures())
{
EditorUtility.DisplayDialog("Unable to fit in atlas",
"You have a texture which exceeds the atlas size." +
"Consider putting it in a separate atlas, enabling dicing, or" +
"reducing the texture size",
"Ok");
}
else
{
EditorUtility.DisplayDialog("Unable to fit textures in requested atlas area",
"There are too many textures in this collection for the requested " +
"atlas size.",
"Ok");
}
return false;
}
}
// Fill atlas textures
tk2dEditor.Atlas.Data[] atlasData = atlasBuilder.GetAtlasData();
System.Array.Resize(ref gen.atlasTextures, atlasData.Length);
System.Array.Resize(ref gen.atlasMaterials, atlasData.Length);
for (int atlasIndex = 0; atlasIndex < atlasData.Length; ++atlasIndex)
{
Texture2D tex = new Texture2D(64, 64, TextureFormat.ARGB32, false);
gen.atlasWastage = (1.0f - atlasData[0].occupancy) * 100.0f;
gen.atlasWidth = atlasData[0].width;
gen.atlasHeight = atlasData[0].height;
tex.Resize(atlasData[atlasIndex].width, atlasData[atlasIndex].height);
// Clear texture, unsure if this is REALLY necessary
// Turns out it is
for (int yy = 0; yy < tex.height; ++yy)
{
for (int xx = 0; xx < tex.width; ++xx)
{
tex.SetPixel(xx, yy, Color.clear);
}
}
for (int i = 0; i < atlasData[atlasIndex].entries.Length; ++i)
{
var entry = atlasData[atlasIndex].entries[i];
Texture2D source = textureList[entry.index];
if (!entry.flipped)
{
for (int y = 0; y < source.height; ++y)
{
for (int x = 0; x < source.width; ++x)
{
tex.SetPixel(entry.x + x, entry.y + y, source.GetPixel(x, y));
}
}
}
else
{
for (int y = 0; y < source.height; ++y)
{
for (int x = 0; x < source.width; ++x)
{
tex.SetPixel(entry.x + y, entry.y + x, source.GetPixel(x, y));
}
}
}
}
tex.Apply();
string texturePath = gen.atlasTextures[atlasIndex]?AssetDatabase.GetAssetPath(gen.atlasTextures[atlasIndex]):(dataDirName + "atlas" + atlasIndex + ".png");
// Write filled atlas to disk
byte[] bytes = tex.EncodeToPNG();
System.IO.FileStream fs = System.IO.File.Create(texturePath);
fs.Write(bytes, 0, bytes.Length);
fs.Close();
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
Object.DestroyImmediate(tex);
tex = AssetDatabase.LoadAssetAtPath(texturePath, typeof(Texture2D)) as Texture2D;
gen.atlasTextures[atlasIndex] = tex;
// Make sure texture is set up with the correct max size and compression type
SetUpTargetTexture(gen, tex);
// Create material if necessary
if (gen.atlasMaterials[atlasIndex] == null)
{
Material mat;
if (gen.premultipliedAlpha)
mat = new Material(Shader.Find("tk2d/PremulVertexColor"));
else
mat = new Material(Shader.Find("tk2d/BlendVertexColor"));
mat.mainTexture = tex;
string materialPath = gen.atlasMaterials[atlasIndex]?AssetDatabase.GetAssetPath(gen.atlasMaterials[atlasIndex]):(dataDirName + "atlas" + atlasIndex + "_material.mat");
AssetDatabase.CreateAsset(mat, materialPath);
AssetDatabase.SaveAssets();
gen.atlasMaterials[atlasIndex] = AssetDatabase.LoadAssetAtPath(materialPath, typeof(Material)) as Material;
}
}
// Create prefab
if (gen.spriteCollection == null)
{
GameObject go = new GameObject();
go.AddComponent<tk2dSpriteCollectionData>();
#if (UNITY_3_0 || UNITY_3_1 || UNITY_3_2 || UNITY_3_3 || UNITY_3_4 || UNITY_3_4)
Object p = EditorUtility.CreateEmptyPrefab(prefabObjectPath);
EditorUtility.ReplacePrefab(go, p);
#else
Object p = PrefabUtility.CreateEmptyPrefab(prefabObjectPath);
PrefabUtility.ReplacePrefab(go, p);
#endif
GameObject.DestroyImmediate(go);
AssetDatabase.SaveAssets();
gen.spriteCollection = AssetDatabase.LoadAssetAtPath(prefabObjectPath, typeof(tk2dSpriteCollectionData)) as tk2dSpriteCollectionData;
}
tk2dSpriteCollectionData coll = gen.spriteCollection;
coll.textures = new Texture[gen.atlasTextures.Length];
coll.materials = new Material[gen.atlasMaterials.Length];
for (int i = 0; i < gen.atlasTextures.Length; ++i)
{
coll.textures[i] = gen.atlasTextures[i];
}
for (int i = 0; i < gen.atlasMaterials.Length; ++i)
{
coll.materials[i] = gen.atlasMaterials[i];
}
// Wipe out legacy data
coll.material = null;
coll.premultipliedAlpha = gen.premultipliedAlpha;
coll.spriteDefinitions = new tk2dSpriteDefinition[gen.textureParams.Length];
coll.version = tk2dSpriteCollectionData.CURRENT_VERSION;
coll.spriteCollectionGUID = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(gen));
coll.spriteCollectionName = gen.name;
coll.invOrthoSize = 1.0f / gen.targetOrthoSize;
coll.halfTargetHeight = gen.targetHeight * 0.5f;
int buildKey = Random.Range(0, int.MaxValue);
while (buildKey == coll.buildKey)
{
buildKey = Random.Range(0, int.MaxValue);
}
coll.buildKey = buildKey; // a random build number so we can identify changed collections quickly
for (int i = 0; i < coll.spriteDefinitions.Length; ++i)
{
coll.spriteDefinitions[i] = new tk2dSpriteDefinition();
if (gen.textureRefs[i])
{
string assetPath = AssetDatabase.GetAssetPath(gen.textureRefs[i]);
string guid = AssetDatabase.AssetPathToGUID(assetPath);
coll.spriteDefinitions[i].sourceTextureGUID = guid;
}
else
{
coll.spriteDefinitions[i].sourceTextureGUID = "";
}
coll.spriteDefinitions[i].extractRegion = gen.textureParams[i].extractRegion;
coll.spriteDefinitions[i].regionX = gen.textureParams[i].regionX;
coll.spriteDefinitions[i].regionY = gen.textureParams[i].regionY;
coll.spriteDefinitions[i].regionW = gen.textureParams[i].regionW;
coll.spriteDefinitions[i].regionH = gen.textureParams[i].regionH;
}
coll.allowMultipleAtlases = gen.allowMultipleAtlases;
coll.dataGuid = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(coll));
float scale = 1.0f;
if (gen.useTk2dCamera)
{
scale = 1.0f;
}
else
{
scale = 2.0f * gen.targetOrthoSize / gen.targetHeight;
}
// Build fonts
foreach (var font in fontInfoDict.Keys)
{
var fontInfo = fontInfoDict[font];
List<SpriteLut> fontSpriteLut = new List<SpriteLut>();
int fontId = 0;
for (fontId = 0; fontId < gen.fonts.Length; ++fontId)
if (gen.fonts[fontId] == font) break;
foreach (var v in spriteLuts)
{
if (v.isFont && v.fontId == fontId)
fontSpriteLut.Add(v);
}
fontInfo.scaleW = coll.textures[0].width;
fontInfo.scaleH = coll.textures[0].height;
// Build a local sprite lut only relevant to this font
UpdateFontData(gen, scale, atlasData, fontSpriteLut, font, fontInfo);
// Set material
font.data.material = coll.materials[0];
font.editorData.material = coll.materials[0];
// Mark to save
EditorUtility.SetDirty(font.data);
}
// Build textures
UpdateVertexCache(gen, scale, atlasData, coll, spriteLuts);
// Free tmp textures
foreach (var sprite in spriteLuts)
{
if (!sprite.isDuplicate)
Object.DestroyImmediate(sprite.tex);
}
foreach (var tex in allocatedTextures)
Object.DestroyImmediate(tex);
// refresh existing
RefreshExistingAssets(gen.spriteCollection);
// save changes
var index = tk2dEditorUtility.GetOrCreateIndex();
index.AddSpriteCollectionData(gen.spriteCollection);
EditorUtility.SetDirty(gen.spriteCollection);
EditorUtility.SetDirty(gen);
sourceTextures = null; // need to clear, its static
currentBuild = null;
tk2dEditorUtility.GetOrCreateIndex().AddSpriteCollectionData(gen.spriteCollection);
tk2dEditorUtility.CommitIndex();
Object.DestroyImmediate(blankTexture);
return true;
}
