private static string folderToSavePrefabs = "";//set on OptimizeShader();
//creates a new optimizable shader and initializes it with an initial object.
//the initial object is needed as we need to parse the standard shader in case there is one.
public OptimizableShader(string name, OptimizableObject initialObject, bool combineObject)
{
optimizedObjects = new List <Tuple <GameObject, int> >();
shaderName = "";//by default
objectsToOptimize = new List <OptimizableObject>();
combineMeshesFlags = new List <bool>();
cacheAtlasSizeNoReuseTextures = NO_CACHED;
cacheAtlasSizeReuseTextures = NO_CACHED;
//if the initial object is not null this means we have to check if the initial object has a standard shader
if (initialObject != null)
{
AddObject(initialObject, combineObject);
if (Utils.IsShaderStandard(name))
{
standardShader = true;
shaderName = Utils.ParseStandardShaderName(initialObject.ObjectMaterial);
}
else//shader is a normal shader, no need to parse its name
{
standardShader = false;
shaderName = name;
}
}
}
private uint GetKey(OptimizableObject opt)
{
uint textureKey;
string text = GetUniqueIdentifier(opt);
textureKey = Utils.CalculateMD5Hash(text);
return(textureKey);
}
//adds an object to the objects list.
//WARNING: this doesnt care if the optimizable object obj matches the shader name
// of this object.
// Later on the ObjSorter.cs->SortObjects() organizes them to match
public void AddObject(OptimizableObject obj)
{
/*if(shaderName != "" && obj != null && shaderName != obj.ShaderName) {
* Debug.LogWarning("ERROR: Adding obj to a not matching optimizable shader");
* return;
* }*/
objects.Add(obj);
}
public void RemoveObject(OptimizableObject obj)
{
if (!objects.Remove(obj))
{
Debug.LogError("Couldnt remove object");
}
// else
// Debug.Log("Added obj");
}
//this is used when we want to know if a texture exists already or not (for calculating atlases sizes on the GUI)
public void AddTextureRef(OptimizableObject opt)
{
uint textureKey = GetKey(opt);
Rect dummyPosition = new Rect(0, 0, 0, 0);
if (!knownTextureRefs.ContainsKey(textureKey))
{
knownTextureRefs.Add(textureKey, dummyPosition);
}
}
public void AddTextureRef(OptimizableObject opt, Rect positionInAtlas, int indexOfTexture)
{
uint textureKey = GetKey(opt);
if (!knownTextureRefs.ContainsKey(textureKey))
{
knownTextureRefs.Add(textureKey, positionInAtlas);
textureRefsIndexes.Add(indexOfTexture);
}
}
public bool TextureRefExists(OptimizableObject opt)
{
uint textureKey = GetKey(opt);
if (knownTextureRefs.ContainsKey(textureKey))
{
return(true);
}
else
{
return(false);
}
}
private uint GetKey(OptimizableObject opt)
{
uint textureKey;
if (opt.MainTexture == null)
{
textureKey = Utils.CalculateMD5Hash(opt.GetColor().ToString());
}
else
{
textureKey = Utils.CalculateMD5Hash(AssetDatabase.GetAssetPath(opt.MainTexture)); //TODO ADD OFFSET + SCALE, but thinkg same texture, diff tiles on any of the materials, what would happen...
}
return(textureKey);
}
//Quick sort for organizing textures sizes.
//ascending order
private static void SortTexturesBySize(int left, int right, int position)
{
int leftHold = left;
int rightHold = right;
OptimizableObject pivotObj = optimizableShaders[position].Objects[left];
int pivot = pivotObj.TextureArea;
while (left < right)
{
while ((optimizableShaders[position].Objects[right].TextureArea >= pivot) && (left < right))
{
right--;
}
if (left != right)
{
optimizableShaders[position].Objects[left] = optimizableShaders[position].Objects[right];
left++;
}
while ((optimizableShaders[position].Objects[left].TextureArea <= pivot) && (left < right))
{
left++;
}
if (left != right)
{
optimizableShaders[position].Objects[right] = optimizableShaders[position].Objects[left];
right--;
}
}
optimizableShaders[position].Objects[left] = pivotObj;
pivot = left;
left = leftHold;
right = rightHold;
if (left < pivot)
{
SortTexturesBySize(left, pivot - 1, position);
}
if (right > pivot)
{
SortTexturesBySize(pivot + 1, right, position);
}
}
//gets a concatenated string of paths of the different textures the object has.
//TODO ADD OFFSET + SCALE, but thinkg same texture, diff tiles on any of the materials, what would happen...
private string GetUniqueIdentifier(OptimizableObject opt)
{
string uniqueStringID = "";
List <Texture2D> objTextures = ShaderManager.Instance.GetTexturesForObject(opt.ObjectMaterial, opt.ShaderName);
for (int i = 0; i < objTextures.Count; i++)
{
if (objTextures[i] != null)
{
uniqueStringID += AssetDatabase.GetAssetPath(objTextures[i]);
}
}
if (uniqueStringID == "")
{
uniqueStringID = opt.GetColor().ToString();
}
return(uniqueStringID);
}
//Adds an object to optimizableShaders[0], later on SortObjects() re organizes the objects inside.
// Maybe SortObjects() can dissapear and AddObjects adds objects to the correct shader. think about this..
public static void AddObject(GameObject g)
{
OptimizableObject optObj = new OptimizableObject(g);
optimizableShaders[0].AddObject(optObj);
}
public Rect GetTextureRefPosition(OptimizableObject opt)
{
uint textureKey = GetKey(opt);
return(knownTextureRefs[textureKey]);
}
public void SetObjectAtIndex(int index, OptimizableObject obj)
{
objects[index] = obj;
}
public void SetObjectAtIndex(int index, OptimizableObject obj, bool combineObj)
{
objectsToOptimize[index] = obj;
combineMeshesFlags[index] = combineObj;
}
// adds an object to the objects list.
// WARNING: this doesnt care if the optimizable object obj matches the shader name
// of this object.
// Later on the ObjSorter.cs->SortObjects() organizes them to match
public void AddObject(OptimizableObject obj, bool combineObj)
{
objectsToOptimize.Add(obj);
combineMeshesFlags.Add(combineObj);
}