public override void OnImportAsset(AssetImportContext ctx)
{
name = GetFileName(ctx.assetPath);
AseFile aseFile = ReadAseFile(ctx.assetPath);
int frameCount = aseFile.Header.Frames;
SpriteAtlasBuilder atlasBuilder = new SpriteAtlasBuilder(textureSettings, aseFile.Header.Width, aseFile.Header.Height);
Texture2D[] frames = null;
if (importType != AseFileImportType.LayerToSprite)
{
frames = aseFile.GetFrames();
}
else
{
frames = aseFile.GetLayersAsFrames();
}
SpriteImportData[] spriteImportData = new SpriteImportData[0];
//if (textureSettings.transparentMask)
//{
// atlas = atlasBuilder.GenerateAtlas(frames, out spriteImportData, textureSettings.transparentColor, false);
//}
//else
//{
// atlas = atlasBuilder.GenerateAtlas(frames, out spriteImportData, false);
//}
atlas = atlasBuilder.GenerateAtlas(frames, out spriteImportData, textureSettings.transparentMask, false);
atlas.filterMode = textureSettings.filterMode;
atlas.alphaIsTransparency = false;
atlas.wrapMode = TextureWrapMode.Clamp;
atlas.name = "Texture";
ctx.AddObjectToAsset("Texture", atlas);
ctx.SetMainObject(atlas);
switch (importType)
{
case AseFileImportType.LayerToSprite:
case AseFileImportType.Sprite:
ImportSprites(ctx, aseFile, spriteImportData);
break;
case AseFileImportType.Tileset:
ImportTileset(ctx, atlas);
break;
}
ctx.SetMainObject(atlas);
}
public override void OnImportAsset(AssetImportContext ctx)
{
name = GetFileName(ctx.assetPath);
AseFile aseFile = ReadAseFile(ctx.assetPath);
//Debug.Log(string.Format("导入Ase动画文件：{0}，帧间隔为{1}（相当于动画帧率{2})", name, aseFile.Header.Speed, Mathf.RoundToInt(1000 / aseFile.Header.Speed)));
this.aseFile = aseFile;
SpriteAtlasBuilder atlasBuilder = new SpriteAtlasBuilder(textureSettings, aseFile.Header.Width, aseFile.Header.Height);
Texture2D[] frames;
if (importType != AseFileImportType.LayerToSprite)
{
frames = aseFile.GetFrames();
}
else
{
frames = aseFile.GetLayersAsFrames();
}
SpriteImportData[] spriteImportData = new SpriteImportData[0];
//if (textureSettings.transparentMask)
//{
// atlas = atlasBuilder.GenerateAtlas(frames, out spriteImportData, textureSettings.transparentColor, false);
//}
//else
//{
// atlas = atlasBuilder.GenerateAtlas(frames, out spriteImportData, false);
//}
//翻转贴图
if (textureSettings.flipTexture)
{
for (int i = 0; i < frames.Length; i++)
{
frames[i] = FlipTexture(frames[i]);
}
}
atlas = atlasBuilder.GenerateAtlas(frames, out spriteImportData, textureSettings.transparentMask, false);
atlas.filterMode = textureSettings.filterMode;
atlas.alphaIsTransparency = false;
atlas.wrapMode = TextureWrapMode.Clamp;
atlas.name = "Texture";
ctx.AddObjectToAsset("Texture", atlas);
ctx.SetMainObject(atlas);
switch (importType)
{
case AseFileImportType.LayerToSprite:
case AseFileImportType.Sprite:
ImportSprites(ctx, aseFile, spriteImportData);
break;
case AseFileImportType.Tileset:
ImportTileset(ctx, atlas);
break;
}
ctx.SetMainObject(atlas);
}
public override void OnImportAsset(AssetImportContext ctx)
{
name = GetFileName(ctx.assetPath);
AseFile aseFile = ReadAseFile(ctx.assetPath);
int frameCount = aseFile.Header.Frames;
SpriteAtlasBuilder atlasBuilder = new SpriteAtlasBuilder(textureSettings, aseFile.Header.Width, aseFile.Header.Height);
Texture2D[] frames = null;
if (importType != AseFileImportType.LayerToSprite)
{
frames = aseFile.GetFrames(textureSettings.ignoreBackground);
}
else
{
frames = aseFile.GetLayersAsFrames();
}
SpriteImportData[] spriteImportData;
//if (textureSettings.transparentMask)
//{
// atlas = atlasBuilder.GenerateAtlas(frames, out spriteImportData, textureSettings.transparentColor, false);
//}
//else
//{
// atlas = atlasBuilder.GenerateAtlas(frames, out spriteImportData, false);
//}
atlas = atlasBuilder.GenerateAtlas(frames, name, out spriteImportData, textureSettings.transparencyMode, false);
atlas.filterMode = textureSettings.filterMode;
atlas.alphaIsTransparency = textureSettings.transparencyMode == TransparencyMode.Alpha;
atlas.wrapMode = textureSettings.wrapMode;
atlas.name = "Texture";
MetaData[] metadatas = aseFile.GetMetaData(textureSettings.spritePivot, textureSettings.pixelsPerUnit);
List <SecondarySpriteTexture> secondarySpriteTextures = new List <SecondarySpriteTexture>();
// Find any metadata with a secondary texture
foreach (var metadata in metadatas)
{
if (metadata.Type == MetaDataType.SECONDARY_TEXTURE)
{
var textureName = metadata.Args[0];
var secondaryTextureFrames = aseFile.GetLayerTexture(metadata.LayerIndex, metadata.Layer);
Texture2D secondaryTexture = atlasBuilder.GenerateAtlas(secondaryTextureFrames.ToArray(), name, out _,
textureSettings.transparencyMode, false);
secondaryTexture.alphaIsTransparency = textureSettings.transparencyMode == TransparencyMode.Alpha;;
secondaryTexture.wrapMode = textureSettings.wrapMode;
secondaryTexture.filterMode = textureSettings.filterMode;
secondaryTexture.name = textureName;
secondarySpriteTextures.Add(new SecondarySpriteTexture()
{
name = textureName, texture = secondaryTexture
});
}
}
TextureGenerationSettings generationSettings = new TextureGenerationSettings();
generationSettings.platformSettings = new TextureImporterPlatformSettings();
generationSettings.spriteImportData = spriteImportData;
generationSettings.secondarySpriteTextures = secondarySpriteTextures.ToArray();
generationSettings.sourceTextureInformation = new SourceTextureInformation()
{
width = atlas.width,
height = atlas.height,
containsAlpha = true,
};
generationSettings.textureImporterSettings = new TextureImporterSettings
{
textureType = TextureImporterType.Sprite,
textureShape = TextureImporterShape.Texture2D,
alphaIsTransparency = textureSettings.transparencyMode == TransparencyMode.Alpha,
alphaSource = TextureImporterAlphaSource.FromInput,
spritePixelsPerUnit = textureSettings.pixelsPerUnit,
spritePivot = textureSettings.spritePivot,
spriteMeshType = SpriteMeshType.Tight,
convertToNormalMap = false,
mipmapEnabled = false,
sRGBTexture = true,
readable = false,
fadeOut = false,
wrapMode = TextureWrapMode.Clamp,
wrapModeU = TextureWrapMode.Clamp,
wrapModeV = TextureWrapMode.Clamp,
wrapModeW = TextureWrapMode.Clamp
};
var imageBuffer = atlas.GetRawTextureData <Color32>();
var generatedOutput = TextureGenerator.GenerateTexture(generationSettings, imageBuffer);
generatedOutput.texture.name = "Texture";
// Main texture atlas
ctx.AddObjectToAsset("Texture", generatedOutput.texture);
ctx.SetMainObject(generatedOutput.texture);
// Add secondary textures
foreach (var secondarySpriteTexture in secondarySpriteTextures)
{
ctx.AddObjectToAsset("SecondaryTex_" + secondarySpriteTexture.name, secondarySpriteTexture.texture);
}
// Add sprites
foreach (var sprite in generatedOutput.sprites)
{
ctx.AddObjectToAsset(sprite.name, sprite);
}
// Add animations
if (importType == AseFileImportType.Sprite)
{
GenerateAnimations(ctx, aseFile, generatedOutput.sprites, metadatas);
}
switch (importType)
{
case AseFileImportType.LayerToSprite:
case AseFileImportType.Sprite:
// ImportSprites(ctx, aseFile, spriteImportData, metadatas);
break;
case AseFileImportType.Tileset:
ImportTileset(ctx, atlas);
break;
}
}