internal static IEnumerator CopyScaledAndTiledToAtlas(MaterialPropTexture source, MaterialPropTexturesSet sourceMaterial,
ShaderTextureProperty shaderPropertyName, DRect srcSamplingRect, int targX, int targY, int targW, int targH,
AtlasPadding padding,
Color[][] atlasPixels, bool isNormalMap,
TexturePipelineData data,
TextureCombineHandler combiner,
ProgressUpdateDelegate progressInfo = null)
{
//HasFinished = false;
Texture2D t = source.GetTexture2D();
Debug.Log(string.Format("CopyScaledAndTiledToAtlas: {0} inAtlasX={1} inAtlasY={2} inAtlasW={3} inAtlasH={4} paddX={5} paddY={6} srcSamplingRect={7}",
t, targX, targY, targW, targH, padding.leftRight, padding.topBottom, srcSamplingRect));
float newWidth = targW;
float newHeight = targH;
float scx = (float)srcSamplingRect.width;
float scy = (float)srcSamplingRect.height;
float ox = (float)srcSamplingRect.x;
float oy = (float)srcSamplingRect.y;
int w = (int)newWidth;
int h = (int)newHeight;
if (data._considerNonTextureProperties)
{
t = combiner._createTextureCopy(shaderPropertyName.name, t);
t = data.nonTexturePropertyBlender.TintTextureWithTextureCombiner(t, sourceMaterial, shaderPropertyName);
}
for (int i = 0; i < w; i++)
{
if (progressInfo != null && w > 0)
{
progressInfo("CopyScaledAndTiledToAtlas " + (((float)i / (float)w) * 100f).ToString("F0"), .2f);
}
for (int j = 0; j < h; j++)
{
float u = i / newWidth * scx + ox;
float v = j / newHeight * scy + oy;
atlasPixels[targY + j][targX + i] = t.GetPixelBilinear(u, v);
}
}
//bleed the border colors into the padding
for (int i = 0; i < w; i++)
{
for (int j = 1; j <= padding.topBottom; j++)
{
//top margin
atlasPixels[(targY - j)][targX + i] = atlasPixels[(targY)][targX + i];
//bottom margin
atlasPixels[(targY + h - 1 + j)][targX + i] = atlasPixels[(targY + h - 1)][targX + i];
}
}
for (int j = 0; j < h; j++)
{
for (int i = 1; i <= padding.leftRight; i++)
{
//left margin
atlasPixels[(targY + j)][targX - i] = atlasPixels[(targY + j)][targX];
//right margin
atlasPixels[(targY + j)][targX + w + i - 1] = atlasPixels[(targY + j)][targX + w - 1];
}
}
//corners
for (int i = 1; i <= padding.leftRight; i++)
{
for (int j = 1; j <= padding.topBottom; j++)
{
atlasPixels[(targY - j)][targX - i] = atlasPixels[targY][targX];
atlasPixels[(targY + h - 1 + j)][targX - i] = atlasPixels[(targY + h - 1)][targX];
atlasPixels[(targY + h - 1 + j)][targX + w + i - 1] = atlasPixels[(targY + h - 1)][targX + w - 1];
atlasPixels[(targY - j)][targX + w + i - 1] = atlasPixels[targY][targX + w - 1];
yield return(null);
}
yield return(null);
}
yield break;
}
public override IEnumerator CreateAtlases(ProgressUpdateDelegate progressInfo,
TexturePipelineData data,
TextureCombineHandler combiner,
AtlasPackingResult packedAtlasRects,
Texture2D[] atlases,
EditorMethodsInterface textureEditorMethods)
{
Debug.Assert(!data.IsOnlyOneTextureInAtlasReuseTextures());
Rect[] uvRects = packedAtlasRects.rects;
long estArea = 0;
int atlasSizeX = 1;
int atlasSizeY = 1;
uvRects = null;
for (int propIdx = 0; propIdx < data.numAtlases; propIdx++)
{
//-----------------------
ShaderTextureProperty prop = data.texPropertyNames[propIdx];
Texture2D atlas = null;
if (!TextureCombinerPipeline._ShouldWeCreateAtlasForThisProperty(propIdx, data._considerNonTextureProperties, data.allTexturesAreNullAndSameColor))
{
atlas = null;
}
else
{
Debug.LogWarning("Beginning loop " + propIdx + " num temporary textures " + combiner._getNumTemporaryTextures());
TextureCombinerPackerBase.CreateTemporaryTexturesForAtlas(data.distinctMaterialTextures, combiner, propIdx, data);
Texture2D[] texToPack = new Texture2D[data.distinctMaterialTextures.Count];
for (int texSetIdx = 0; texSetIdx < data.distinctMaterialTextures.Count; texSetIdx++)
{
MaterialPropTexturesSet txs = data.distinctMaterialTextures[texSetIdx];
int tWidth = txs.idealWidth;
int tHeight = txs.idealHeight;
Texture2D tx = txs.ts[propIdx].GetTexture2D();
if (progressInfo != null)
{
progressInfo("Adjusting for scale and offset " + tx, .01f);
}
if (textureEditorMethods != null)
{
textureEditorMethods.SetReadWriteFlag(tx, true, true);
}
tx = GetAdjustedForScaleAndOffset2(prop.name, txs.ts[propIdx], txs.obUVoffset, txs.obUVscale, data, combiner);
//create a resized copy if necessary
if (tx.width != tWidth || tx.height != tHeight)
{
if (progressInfo != null)
{
progressInfo("Resizing texture '" + tx + "'", .01f);
}
Debug.LogWarning("Copying and resizing texture " + prop.name + " from " + tx.width + "x" + tx.height + " to " + tWidth + "x" + tHeight);
tx = combiner._resizeTexture(prop.name, (Texture2D)tx, tWidth, tHeight);
}
estArea += tx.width * tx.height;
if (data._considerNonTextureProperties)
{
//combine the tintColor with the texture
tx = combiner._createTextureCopy(prop.name, tx);
data.nonTexturePropertyBlender.TintTextureWithTextureCombiner(tx, data.distinctMaterialTextures[texSetIdx], prop);
}
texToPack[texSetIdx] = tx;
}
if (textureEditorMethods != null)
{
textureEditorMethods.CheckBuildSettings(estArea);
}
if (Math.Sqrt(estArea) > 3500f)
{
Debug.LogWarning("The maximum possible atlas size is 4096. Textures may be shrunk");
}
atlas = new Texture2D(1, 1, TextureFormat.ARGB32, true);
if (progressInfo != null)
{
progressInfo("Packing texture atlas " + prop.name, .25f);
}
if (propIdx == 0)
{
if (progressInfo != null)
{
progressInfo("Estimated min size of atlases: " + Math.Sqrt(estArea).ToString("F0"), .1f);
}
Debug.Log("Estimated atlas minimum size:" + Math.Sqrt(estArea).ToString("F0"));
int maxAtlasSize = 4096;
uvRects = atlas.PackTextures(texToPack, data._atlasPadding, maxAtlasSize, false);
Debug.Log("After pack textures atlas size " + atlas.width + " " + atlas.height);
atlasSizeX = atlas.width;
atlasSizeY = atlas.height;
atlas.Apply();
}
else
{
if (progressInfo != null)
{
progressInfo("Copying Textures Into: " + prop.name, .1f);
}
atlas = _copyTexturesIntoAtlas(texToPack, data._atlasPadding, uvRects, atlasSizeX, atlasSizeY, combiner);
}
}
atlases[propIdx] = atlas;
//----------------------
if (data._saveAtlasesAsAssets && textureEditorMethods != null)
{
textureEditorMethods.SaveAtlasToAssetDatabase(atlases[propIdx], prop, propIdx, data.resultMaterial);
}
data.resultMaterial.SetTextureOffset(prop.name, Vector2.zero);
data.resultMaterial.SetTextureScale(prop.name, Vector2.one);
combiner._destroyTemporaryTextures(prop.name);
GC.Collect();
}
packedAtlasRects.rects = uvRects;
yield break;
}