void OnGUI()
{
if (NeedToReload())
{
ReloadDataStructures();
}
selectedMenuOption = GUI.SelectionGrid(new Rect(5, 8, window.position.width - 10, 20), selectedMenuOption, menuOptions, 3);
switch (selectedMenuOption)
{
case 0:
ObjectsGUI.Instance.DrawGUI(window);
AdvancedMenuGUI.Instance.ClearConsole();
menuOptions[0] = "Objects";
break;
case 1:
ShadersGUI.Instance.DrawGUI(window);
AdvancedMenuGUI.Instance.ClearConsole();
menuOptions[0] = "Objects(" + ObjSorter.GetTotalSortedObjects() + ")";
break;
case 2:
AdvancedMenuGUI.Instance.DrawGUI(window);
menuOptions[0] = "Objects(" + ObjSorter.GetTotalSortedObjects() + ")";
break;
default:
Debug.LogError("Unrecognized menu option: " + selectedMenuOption);
break;
}
if (GUI.Button(new Rect(5, window.position.height - 35, window.position.width / 2 - 10, 33), "Clear Atlas"))
{
GameObject[] objsInHierarchy = Utils.GetAllObjectsInHierarchy();
foreach (GameObject obj in objsInHierarchy)
{
if (obj.name.Contains(Constants.OptimizedObjIdentifier))
{
DestroyImmediate(obj);
}
else
if (obj.GetComponent <MeshRenderer>() != null)
{
obj.GetComponent <MeshRenderer>().enabled = true;
}
}
// delete the folder where the atlas reside.
string folderOfAtlas = EditorApplication.currentScene;
if (folderOfAtlas == "") //scene is not saved yet.
{
folderOfAtlas = Constants.NonSavedSceneFolderName + ".unity";
Debug.LogWarning("WARNING: Scene has not been saved, clearing baked objects from NOT_SAVED_SCENE folder");
}
folderOfAtlas = folderOfAtlas.Substring(0, folderOfAtlas.Length - 6) + "-Atlas"; //remove the ".unity"
if (Directory.Exists(folderOfAtlas))
{
FileUtil.DeleteFileOrDirectory(folderOfAtlas);
AssetDatabase.Refresh();
}
}
GUI.enabled = CheckEmptyArray(); //if there are no textures deactivate the GUI
if (GUI.Button(new Rect(window.position.width / 2, window.position.height - 35, window.position.width / 2 - 5, 33), "Bake Atlas"))
{
//Remove objects that are already optimized and start over.
if (AdvancedMenuGUI.Instance.RemoveObjectsBeforeBaking)
{
GameObject[] objsInHierarchy = Utils.GetAllObjectsInHierarchy();
foreach (GameObject obj in objsInHierarchy)
{
if (obj.name.Contains(Constants.OptimizedObjIdentifier))
{
GameObject.DestroyImmediate(obj);
}
}
}
List <Rect> texturePositions = new List <Rect>(); //creo que esto puede morir porque el atlasser tiene adentro un rect.
string progressBarInfo = "";
float pace = 1 / (float)ObjSorter.GetRecognizableShadersCount();
float progress = pace;
Node resultNode = null; //nodes for the tree for atlasing
for (int shaderIndex = 0; shaderIndex < ObjSorter.GetObjs().Count; shaderIndex++)
{
EditorUtility.DisplayProgressBar("Optimization in progress... " +
(AdvancedMenuGUI.Instance.CreatePrefabsForObjects ? " Get coffee this will take some time..." : ""), progressBarInfo, progress);
progress += pace;
texturePositions.Clear();
TextureReuseManager textureReuseManager = new TextureReuseManager();
string shaderToAtlas = (ObjSorter.GetObjs()[shaderIndex][0] != null && ObjSorter.GetObjs()[shaderIndex][0].IsCorrectlyAssembled) ? ObjSorter.GetObjs()[shaderIndex][0].ShaderName : "";
progressBarInfo = "Processing shader " + shaderToAtlas + "...";
int atlasSize = ObjSorter.GetAproxAtlasSize(shaderIndex, AdvancedMenuGUI.Instance.ReuseTextures);
if (ShaderManager.Instance.ShaderExists(shaderToAtlas) &&
(ObjSorter.GetObjs()[shaderIndex].Count > 1 ||
(ObjSorter.GetObjs()[shaderIndex].Count == 1 && ObjSorter.GetObjs()[shaderIndex][0] != null && ObjSorter.GetObjs()[shaderIndex][0].ObjHasMoreThanOneMaterial)) && //more than 1 obj or 1obj wth multiple mat
atlasSize < Constants.MaxAtlasSize) //check the generated atlas size doesnt exceed max supported texture size
{
generatedAtlas = new Atlasser(atlasSize, atlasSize);
int resizeTimes = 1;
for (int j = ObjSorter.GetObjs()[shaderIndex].Count - 1; j >= 0; j--) //start from the largest to the shortest textures
//before atlassing multiple materials obj, combine it.
{
if (ObjSorter.GetObjs()[shaderIndex][j].ObjHasMoreThanOneMaterial)
{
progressBarInfo = "Combining materials...";
ObjSorter.GetObjs()[shaderIndex][j].ProcessAndCombineMaterials(); //mirar esto, aca esta el problema de multiple materiales y reimportacion
}
Vector2 textureToAtlasSize = ObjSorter.GetObjs()[shaderIndex][j].TextureSize;
if (AdvancedMenuGUI.Instance.ReuseTextures)
{
//if texture is not registered already
if (!textureReuseManager.TextureRefExists(ObjSorter.GetObjs()[shaderIndex][j]))
{
//generate a node
resultNode = generatedAtlas.Insert(Mathf.RoundToInt((textureToAtlasSize.x != Constants.NULLV2.x) ? textureToAtlasSize.x : Constants.NullTextureSize),
Mathf.RoundToInt((textureToAtlasSize.y != Constants.NULLV2.y) ? textureToAtlasSize.y : Constants.NullTextureSize));
if (resultNode != null) //save node if fits in atlas
{
textureReuseManager.AddTextureRef(ObjSorter.GetObjs()[shaderIndex][j], resultNode.NodeRect, j);
}
}
}
else
{
resultNode = generatedAtlas.Insert(Mathf.RoundToInt((textureToAtlasSize.x != Constants.NULLV2.x) ? textureToAtlasSize.x : Constants.NullTextureSize),
Mathf.RoundToInt((textureToAtlasSize.y != Constants.NULLV2.y) ? textureToAtlasSize.y : Constants.NullTextureSize));
}
if (resultNode == null)
{
int resizedAtlasSize = atlasSize + Mathf.RoundToInt((float)atlasSize * Constants.AtlasResizeFactor * resizeTimes);
generatedAtlas = new Atlasser(resizedAtlasSize, resizedAtlasSize);
j = ObjSorter.GetObjs()[shaderIndex].Count; //Count and not .Count-1 bc at the end of the loop it will be substracted j-- and we want to start from Count-1
texturePositions.Clear();
textureReuseManager.ClearTextureRefs();
resizeTimes++;
}
else
{
if (AdvancedMenuGUI.Instance.ReuseTextures)
{
texturePositions.Add(textureReuseManager.GetTextureRefPosition(ObjSorter.GetObjs()[shaderIndex][j]));
}
else
{
texturePositions.Add(resultNode.NodeRect); //save the texture rectangle
}
}
}
progressBarInfo = "Saving textures to atlas...";
Material atlasMaterial = CreateAtlasMaterialAndTexture(shaderToAtlas, shaderIndex, textureReuseManager);
progressBarInfo = "Remapping coordinates...";
ObjSorter.OptimizeDrawCalls(ref atlasMaterial,
shaderIndex,
generatedAtlas.GetAtlasSize().x,
generatedAtlas.GetAtlasSize().y,
texturePositions,
AdvancedMenuGUI.Instance.ReuseTextures,
textureReuseManager,
AdvancedMenuGUI.Instance.CreatePrefabsForObjects);
}
}
//after the game object has been organized, remove the combined game objects.
for (int shaderIndex = 0; shaderIndex < ObjSorter.GetObjs().Count; shaderIndex++)
{
for (int j = ObjSorter.GetObjs()[shaderIndex].Count - 1; j >= 0; j--)
{
if (ObjSorter.GetObjs()[shaderIndex][j].ObjWasCombined)
{
ObjSorter.GetObjs()[shaderIndex][j].ClearCombinedObject();
}
}
}
EditorUtility.ClearProgressBar();
AssetDatabase.Refresh(); //reimport the created atlases so they get displayed in the editor.
}
}