//Rect[] uvRectInAtlas;
public Material2AtlasRectangleMapper(TextureBakeResults res)
{
tbr = res;
matsAndSrcUVRect = res.materialsAndUVRects;
//backward compatibility. this may be an old TextureBakeResult which has no materialsAndUVRects if so then build it now
if (matsAndSrcUVRect == null || matsAndSrcUVRect.Length == 0)
{
matsAndSrcUVRect = new MaterialAndUVRect[res.materials.Length];
for (int i = 0; i < res.materials.Length; i++)
{
matsAndSrcUVRect[i] = new MaterialAndUVRect(res.materials[i], res.prefabUVRects[i], new Rect(0f, 0f, 1f, 1f), new Rect(0f, 0f, 1f, 1f), new Rect(0f, 0f, 1f, 1f), "");
}
res.materialsAndUVRects = matsAndSrcUVRect;
}
//count the number of times a material appears in the atlas. used for fast lookup
numTimesMatAppearsInAtlas = new int[matsAndSrcUVRect.Length];
for (int i = 0; i < matsAndSrcUVRect.Length; i++)
{
if (numTimesMatAppearsInAtlas[i] > 1)
{
continue;
}
int count = 1;
for (int j = i + 1; j < matsAndSrcUVRect.Length; j++)
{
if (matsAndSrcUVRect[i].material == matsAndSrcUVRect[j].material)
{
count++;
}
}
numTimesMatAppearsInAtlas[i] = count;
if (count > 1)
{
//allMatsAreUnique = false;
for (int j = i + 1; j < matsAndSrcUVRect.Length; j++)
{
if (matsAndSrcUVRect[i].material == matsAndSrcUVRect[j].material)
{
numTimesMatAppearsInAtlas[j] = count;
}
}
}
}
}
public bool ContainsMaterial(Material m)
{
if (materialsAndUVRects.Length == 0)
{
materialsAndUVRects = new MaterialAndUVRect[materials.Length];
for (int i = 0; i < materialsAndUVRects.Length; i++)
{
materialsAndUVRects[i] = new MaterialAndUVRect(materials[i], prefabUVRects[i],
new Rect(0f, 0f, 1f, 1f), new Rect(0f, 0f, 1f, 1f),
new Rect(0f, 0f, 1f, 1f), "");
}
}
for (int i = 0; i < materialsAndUVRects.Length; i++)
{
if (materialsAndUVRects[i].material == m)
{
return(true);
}
}
return(false);
}
/// <summary>
/// Creates for materials on renderer.
/// </summary>
/// <returns>Generates an MB2_TextureBakeResult that can be used if all objects to be combined use the same material.
/// Returns a MB2_TextureBakeResults that will map all materials used by renderer r to
/// the rectangle 0,0..1,1 in the atlas.</returns>
/// <param name="r">The red component.</param>
public static TextureBakeResults CreateForMaterialsOnRenderer(GameObject[] gos)
{
HashSet <Material> fullMaterialList = new HashSet <Material>();
for (int i = 0; i < gos.Length; i++)
{
if (gos[i] == null)
{
Debug.LogError(string.Format("Game object {0} in list of objects to add was null", i));
return(null);
}
Material[] oMats = MeshBakerUtility.GetGOMaterials(gos[i]);
if (oMats == null)
{
Debug.LogError(string.Format("Game object {0} in list of objects to add no renderer", i));
return(null);
}
for (int j = 0; j < oMats.Length; j++)
{
fullMaterialList.Add(oMats[j]);
}
}
Material[] rms = new Material[fullMaterialList.Count];
fullMaterialList.CopyTo(rms);
TextureBakeResults tbr = new TextureBakeResults();
//Material[] ms = rms;
//MB_MaterialAndUVRect[] mss = new MB_MaterialAndUVRect[rms.Length];
List <MaterialAndUVRect> mss = new List <MaterialAndUVRect>();
Material[] ms;
for (int i = 0; i < rms.Length; i++)
{
if (rms[i] != null)
{
MaterialAndUVRect matAndUVRect = new MaterialAndUVRect(rms[i], new Rect(0f, 0f, 1f, 1f),
new Rect(0f, 0f, 1f, 1f),
new Rect(0f, 0f, 1f, 1f),
new Rect(0f, 0f, 1f, 1f), "");
if (!mss.Contains(matAndUVRect))
{
mss.Add(matAndUVRect);
}
}
}
if (rms.Length > 1)
{
tbr.prefabUVRects = new Rect[mss.Count];
tbr.materials = ms = new Material[mss.Count];
tbr.resultMaterials = new MultiMaterial[mss.Count];
for (int i = 0; i < mss.Count; i++)
{
ms[i] = mss[i].material;
tbr.prefabUVRects[i] = new Rect(0f, 0f, 1f, 1f);
tbr.resultMaterials[i] = new MultiMaterial();
List <Material> sourceMats = new List <Material>();
sourceMats.Add(ms[i]);
tbr.resultMaterials[i].sourceMaterials = sourceMats;
tbr.resultMaterials[i].combinedMaterial = ms[i];
}
tbr.doMultiMaterial = true;
}
else
{
tbr.doMultiMaterial = false;
tbr.prefabUVRects = new Rect[] { new Rect(0f, 0f, 1f, 1f) };
tbr.materials = ms = new Material[] { mss[0].material };
tbr.resultMaterial = mss[0].material;
tbr.resultMaterials = new MultiMaterial[] { new MultiMaterial() };
List <Material> sourceMats = new List <Material>();
sourceMats.Add(ms[0]);
tbr.resultMaterials[0].sourceMaterials = sourceMats;
tbr.resultMaterials[0].combinedMaterial = mss[0].material;
}
tbr.materialsAndUVRects = mss.ToArray();
tbr.fixOutOfBoundsUVs = false;
return(tbr);
}
