// used by Unity texture packer to handle tiled textures.
// may create a new texture that has the correct tiling to handle fix out of bounds UVs
internal static Texture2D GetAdjustedForScaleAndOffset2(ShaderTextureProperty propertyName, MeshBakerMaterialTexture source, Vector2 obUVoffset, Vector2 obUVscale, MB3_TextureCombinerPipeline.TexturePipelineData data, MB3_TextureCombiner combiner, MB2_LogLevel LOG_LEVEL)
{
Texture2D sourceTex = source.GetTexture2D();
if (source.matTilingRect.x == 0f && source.matTilingRect.y == 0f && source.matTilingRect.width == 1f && source.matTilingRect.height == 1f)
{
if (data._fixOutOfBoundsUVs)
{
if (obUVoffset.x == 0f && obUVoffset.y == 0f && obUVscale.x == 1f && obUVscale.y == 1f)
{
return(sourceTex); //no adjustment necessary
}
}
else
{
return(sourceTex); //no adjustment necessary
}
}
Vector2 dim = MB3_TextureCombinerPipeline.GetAdjustedForScaleAndOffset2Dimensions(source, obUVoffset, obUVscale, data, LOG_LEVEL);
if (LOG_LEVEL >= MB2_LogLevel.debug)
{
Debug.LogWarning("GetAdjustedForScaleAndOffset2: " + sourceTex + " " + obUVoffset + " " + obUVscale);
}
float newWidth = dim.x;
float newHeight = dim.y;
float scx = (float)source.matTilingRect.width;
float scy = (float)source.matTilingRect.height;
float ox = (float)source.matTilingRect.x;
float oy = (float)source.matTilingRect.y;
if (data._fixOutOfBoundsUVs)
{
scx *= obUVscale.x;
scy *= obUVscale.y;
ox = (float)(source.matTilingRect.x * obUVscale.x + obUVoffset.x);
oy = (float)(source.matTilingRect.y * obUVscale.y + obUVoffset.y);
}
Texture2D newTex = combiner._createTemporaryTexture(propertyName.name, (int)newWidth, (int)newHeight, TextureFormat.ARGB32, true, MB3_TextureCombiner.ShouldTextureBeLinear(propertyName));
for (int i = 0; i < newTex.width; i++)
{
for (int j = 0; j < newTex.height; j++)
{
float u = i / newWidth * scx + ox;
float v = j / newHeight * scy + oy;
newTex.SetPixel(i, j, sourceTex.GetPixelBilinear(u, v));
}
}
newTex.Apply();
return(newTex);
}
internal static void CreateTemporaryTexturesForAtlas(List <MB_TexSet> distinctMaterialTextures, MB3_TextureCombiner combiner, int propIdx, MB3_TextureCombinerPipeline.TexturePipelineData data)
{
for (int texSetIdx = 0; texSetIdx < data.distinctMaterialTextures.Count; texSetIdx++)
{
MB_TexSet txs = data.distinctMaterialTextures[texSetIdx];
MeshBakerMaterialTexture matTex = txs.ts[propIdx];
if (matTex.isNull)
{
//create a small 16 x 16 texture to use in the atlas
Color col = data.nonTexturePropertyBlender.GetColorForTemporaryTexture(txs.matsAndGOs.mats[0].mat, data.texPropertyNames[propIdx]);
txs.CreateColoredTexToReplaceNull(data.texPropertyNames[propIdx].name, propIdx, data._fixOutOfBoundsUVs, combiner, col, MB3_TextureCombiner.ShouldTextureBeLinear(data.texPropertyNames[propIdx]));
}
}
}