/// <summary>
/// Exports the textures and materials of the atlased objects
/// </summary>
/// <param name="realAssetPath">Real asset path used by System.IO</param>
private void ExportTexturesAndMaterials(string realAssetPath)
{
foreach (Transform t in _hiddenCombinedObject.transform)
{
Renderer currentRenderer = t.GetComponentInChildren <Renderer>();
if (currentRenderer != null)
{
foreach (ShaderProperties property in TextureCombineUtility.GetShaderProperties(currentRenderer.sharedMaterial, _textureAtlasProperties))
{
currentRenderer.sharedMaterial.SetTexture(property.propertyName, ExportTexture(currentRenderer.sharedMaterial.GetTexture(property.propertyName), currentRenderer.name + property.propertyName, realAssetPath, property.markAsNormal));
}
currentRenderer.sharedMaterial = ExportMaterial(currentRenderer.sharedMaterial, currentRenderer.name + "_MAT");
}
}
}
/// <summary>
/// Builds the combined meshes using data from the atlased dictionary
/// </summary>
void BuildAtlasedMeshes()
{
_numOfExportedMeshes = 0;
foreach (KeyValuePair <string, Dictionary <Material, List <MeshInstance> > > firstPass in _dataTreeWithAtlasing)
{
List <Material> allMaterialTextures = new List <Material> (firstPass.Value.Keys);
ReimportNonReadonlyTextures(allMaterialTextures);
TextureCombineOutput textureCombineOutput = TextureCombineUtility.Combine(allMaterialTextures, _textureAtlasProperties, true);
if (textureCombineOutput != null && textureCombineOutput.texturePositions != null)
{
List <MeshInstance> meshIntermediates = new List <MeshInstance> ();
foreach (KeyValuePair <Material, List <MeshInstance> > kv in firstPass.Value)
{
TexturePosition refTexture = GetReferenceTexturePosition(textureCombineOutput.texturePositions, kv.Key.mainTexture.name);
for (int i = 0; i < kv.Value.Count; i++)
{
OffsetUvs(kv.Value [i].mesh, refTexture.position);
meshIntermediates.Add(kv.Value [i]);
}
}
IList <Mesh> combinedMeshes = MeshCombineUtility.Combine(meshIntermediates);
string objectName = firstPass.Key.Remove(firstPass.Key.LastIndexOf(' '));
GameObject parent = new GameObject("Combined " + objectName + " Mesh Parent");
parent.transform.parent = _hiddenCombinedObject.transform;
parent.transform.position = _hiddenCombinedObject.transform.position;
parent.transform.rotation = _hiddenCombinedObject.transform.rotation;
for (int i = 0; i < combinedMeshes.Count; i++)
{
GameObject go = new GameObject("Combined " + objectName + " Mesh");
go.transform.parent = parent.transform;
go.transform.localScale = Vector3.one;
go.transform.localRotation = Quaternion.identity;
go.transform.localPosition = Vector3.zero;
MeshFilter filter = go.AddComponent <MeshFilter> ();
go.AddComponent <MeshRenderer> ().sharedMaterial = textureCombineOutput.combinedMaterial;
filter.mesh = combinedMeshes [i];
_numOfExportedMeshes++;
}
}
}
}
/// <summary>
/// The main combining method. This calls combining methods and organizes game objects in the scene
/// </summary>
/// <param name="allMeshesAndMaterials">The dictionary containing all of the data</param>
void CreateBatchedAtlasedObjects(IDictionary <string, Dictionary <Material, List <MeshInstance> > > allMeshesAndMaterials)
{
foreach (KeyValuePair <string, Dictionary <Material, List <MeshInstance> > > firstPass in allMeshesAndMaterials)
{
List <Material> allMaterialTextures = new List <Material>(firstPass.Value.Keys);
TextureCombineOutput textureCombineOutput = TextureCombineUtility.Combine(allMaterialTextures, _textureAtlasProperties);
if (textureCombineOutput != null && textureCombineOutput.texturePositions != null)
{
List <MeshInstance> meshIntermediates = new List <MeshInstance>();
foreach (KeyValuePair <Material, List <MeshInstance> > kv in firstPass.Value)
{
TexturePosition refTexture = GetReferenceTexturePosition(textureCombineOutput.texturePositions, kv.Key.mainTexture.name);
for (int i = 0; i < kv.Value.Count; i++)
{
OffsetUvs(kv.Value[i].mesh, refTexture.position);
meshIntermediates.Add(kv.Value[i]);
}
}
IList <Mesh> combinedMeshes = MeshCombineUtility.Combine(meshIntermediates);
GameObject parent = new GameObject("Combined " + gameObject.name + " " + firstPass.Key + " Mesh Parent");
parent.transform.position = transform.position;
parent.transform.rotation = transform.rotation;
for (int i = 0; i < combinedMeshes.Count; i++)
{
GameObject go = new GameObject("Combined " + gameObject.name + " Mesh");
go.transform.parent = parent.transform;
go.tag = gameObject.tag;
go.layer = gameObject.layer;
go.transform.localScale = Vector3.one;
go.transform.localRotation = Quaternion.identity;
go.transform.localPosition = Vector3.zero;
MeshFilter filter = go.AddComponent <MeshFilter>();
go.AddComponent <MeshRenderer>().sharedMaterial = textureCombineOutput.combinedMaterial;
filter.mesh = combinedMeshes[i];
}
}
}
}
