private static TextureAtlasMapper CreateTextureAtlasMapper(Vector2[] unityUvs, Vector2[] unityUvs2, Vector2[] unityUvs3,
double[] uvs, int[] uvMap)
{
const int infoEntrySize = 8;
var count = uvMap == null ? 0 : uvMap.Length;
List <TextureAtlasInfo> infos = new List <TextureAtlasInfo>(count / infoEntrySize);
for (int i = 0; i < count;)
{
var info = new TextureAtlasInfo();
info.UvIndexRange = new Range <int>(!infos.Any() ? 0 : infos.Last().UvIndexRange.Maximum, uvMap[i++]);
info.TextureIndex = uvMap[i++];
int atlasWidth = uvMap[i++];
int atlasHeight = uvMap[i++];
float x = uvMap[i++];
float y = uvMap[i++];
float width = uvMap[i++];
float height = uvMap[i++];
bool isEmpty = atlasWidth == 0 || atlasHeight == 0;
info.TextureSize = new Vector2(isEmpty ? 0 : width / atlasWidth, isEmpty ? 0 : height / atlasHeight);
info.TextureOffset = new Vector2(isEmpty ? 0 : x / atlasWidth, isEmpty ? 0 : y / atlasHeight);
infos.Add(info);
}
return(new TextureAtlasMapper(unityUvs, unityUvs2, unityUvs3, uvs, infos));
}
public void Regenerate(TextureAtlasInfo tai)
{
this.m_src = tai.srcDirectory;
var path = AssetDatabase.GetAssetPath(tai);
this.m_dst = path.Substring(0, path.LastIndexOf('/'));
PreparePaths();
ProcessAndSave(tai.atlas, tai, tai.material, false);
}
public void RefreshDependentObjects(TextureAtlasInfo tai)
{
// Check sprites
Sprite[] s = GameObject.FindObjectsOfTypeIncludingAssets(typeof(Sprite)) as Sprite[];
for(int i = 0; i < s.Length; i++) {
if(s[i].atlas.Equals(tai)) {
s[i].HandleStaticSpriteChange();
}
}
}
void ProcessAndSave(Texture2D atlas, TextureAtlasInfo tai, Material material, bool isNew)
{
LoadAssets();
Rect[] results = atlas.PackTextures(m_srcTextures.ToArray(), 0, 1024);
atlas.Apply();
byte[] bytes = atlas.EncodeToPNG();
File.WriteAllBytes(m_outputFile, bytes);
if(isNew) {
AssetDatabase.ImportAsset(m_outputFile.Substring(m_outputFile.IndexOf("Assets")));
}
else {
EditorUtility.SetDirty(atlas);
}
var a = AssetDatabase.LoadAssetAtPath(m_outputFile.Substring(m_outputFile.IndexOf("Assets")), typeof(Texture2D)) as Texture2D;
material.mainTexture = a;
if(isNew) {
AssetDatabase.CreateAsset(material, m_materialOutputFile);
}
else {
EditorUtility.SetDirty(material);
}
AssetDatabase.ImportAsset(m_materialOutputFile);
material = AssetDatabase.LoadAssetAtPath(m_materialOutputFile, typeof(Material)) as Material;
tai.SetInitialData(m_src, m_files, results, a, material);
if(isNew) {
AssetDatabase.CreateAsset(tai, m_atlasInfoOutputFile);
}
else {
EditorUtility.SetDirty(tai);
}
UnloadAssets();
}
void OnGUI()
{
m_scrollPosition = EditorGUILayout.BeginScrollView(m_scrollPosition);
Rect verticalLayoutRect = EditorGUILayout.BeginVertical();
EditorGUILayout.LabelField("Select the parent object that is to be combined.");
EditorGUI.BeginChangeCheck();
m_parentObject = (GameObject)EditorGUILayout.ObjectField("Parent Object Of Meshes To Be Combined", m_parentObject, typeof(GameObject), true);
if(EditorGUI.EndChangeCheck())
{
m_textureAtlasInfo = new TextureAtlasInfo();
m_texPropArraySize = m_textureAtlasInfo.shaderPropertiesToLookFor.Length;
m_shaderFoldoutBools = new bool[m_texPropArraySize];
}
if(m_parentObject != null)
{
m_textureAtlasInfo.compressTexturesInMemory = false;//EditorGUILayout.Toggle("Compress Texture", m_textureAtlasInfo.compressTexturesInMemory);
EditorGUI.BeginChangeCheck();
m_texPropArraySize = EditorGUILayout.IntSlider("# Of Shader Properties", m_texPropArraySize, 0, 20);
if(EditorGUI.EndChangeCheck())
{
if(m_texPropArraySize > m_textureAtlasInfo.shaderPropertiesToLookFor.Length)
{
ShaderProperties[] temp = new ShaderProperties[m_texPropArraySize];
for(int i = 0; i < m_texPropArraySize; i++)
{
if(i < m_textureAtlasInfo.shaderPropertiesToLookFor.Length)
{
temp[i] = m_textureAtlasInfo.shaderPropertiesToLookFor[i];
}
else
{
temp[i] = new ShaderProperties(false, "");
}
}
m_textureAtlasInfo.shaderPropertiesToLookFor = temp;
}
else if(m_texPropArraySize < m_textureAtlasInfo.shaderPropertiesToLookFor.Length)
{
ShaderProperties[] temp = new ShaderProperties[m_texPropArraySize];
for(int i = 0; i < m_texPropArraySize; i++)
{
temp[i] = m_textureAtlasInfo.shaderPropertiesToLookFor[i];
}
m_textureAtlasInfo.shaderPropertiesToLookFor = temp;
}
m_shaderFoldoutBools = new bool[m_texPropArraySize];
}
m_showShaderProperties = EditorGUILayout.Foldout(m_showShaderProperties, "Shader Properties To Watch For");
if(m_showShaderProperties)
{
for(int i = 0; i < m_texPropArraySize; i++)
{
m_shaderFoldoutBools[i] = EditorGUILayout.Foldout(m_shaderFoldoutBools[i], "Shader Properties Element " + i);
if(m_shaderFoldoutBools[i] == true)
{
m_textureAtlasInfo.shaderPropertiesToLookFor[i].markAsNormal = EditorGUILayout.Toggle("Mark As Normal Map", m_textureAtlasInfo.shaderPropertiesToLookFor[i].markAsNormal);
m_textureAtlasInfo.shaderPropertiesToLookFor[i].propertyName = EditorGUILayout.TextField("Shader Property Name", m_textureAtlasInfo.shaderPropertiesToLookFor[i].propertyName);
}
}
}
GUILayout.Space(m_window.position.height * 0.05f);
EditorGUI.BeginChangeCheck();
m_folderPath = EditorGUILayout.TextField("Combined Asset Path", m_folderPath);
if(EditorGUI.EndChangeCheck())
{
m_pathToAssets = Application.dataPath + "/" + m_folderPath + "/";
}
GUILayout.Space(m_window.position.height * 0.05f);
m_showModelSettings = EditorGUILayout.Foldout(m_showModelSettings, "Model Settings");
if(m_showModelSettings == true)
{
GUILayout.Label("Meshes", "BoldLabel");
EditorGUILayout.LabelField("Meshes");
m_modelImportSettings.globalScale = EditorGUILayout.FloatField("Global Scale", m_modelImportSettings.globalScale);
m_modelImportSettings.meshCompression = (ModelImporterMeshCompression)EditorGUILayout.EnumPopup("Mesh Compression", m_modelImportSettings.meshCompression);
m_modelImportSettings.optimizeMesh = EditorGUILayout.Toggle("Optimize Mesh", m_modelImportSettings.optimizeMesh);
m_modelImportSettings.addCollider = EditorGUILayout.Toggle("Generate Colliders", m_modelImportSettings.addCollider);
m_modelImportSettings.swapUVChannels = EditorGUILayout.Toggle("Swap UVs", m_modelImportSettings.swapUVChannels);
m_modelImportSettings.generateSecondaryUV = EditorGUILayout.Toggle("Generate Lightmap UVs", m_modelImportSettings.generateSecondaryUV);
GUILayout.Label("Normals & Tangents", "BoldLabel");
m_modelImportSettings.normalImportMode = (ModelImporterTangentSpaceMode)EditorGUILayout.EnumPopup("Normals", m_modelImportSettings.normalImportMode);
m_modelImportSettings.tangentImportMode = (ModelImporterTangentSpaceMode)EditorGUILayout.EnumPopup("Tangents", m_modelImportSettings.tangentImportMode);
if((m_modelImportSettings.normalImportMode == ModelImporterTangentSpaceMode.Calculate) && !(m_modelImportSettings.tangentImportMode == ModelImporterTangentSpaceMode.None))
{
m_modelImportSettings.tangentImportMode = ModelImporterTangentSpaceMode.Calculate;
}
EditorGUI.BeginDisabledGroup(!(m_modelImportSettings.normalImportMode == ModelImporterTangentSpaceMode.Calculate));
m_modelImportSettings.normalSmoothingAngle = EditorGUILayout.IntSlider("Normal Smoothing Angle", (int)m_modelImportSettings.normalSmoothingAngle, 0, 180);
EditorGUI.EndDisabledGroup();
EditorGUI.BeginDisabledGroup(!(m_modelImportSettings.tangentImportMode == ModelImporterTangentSpaceMode.Calculate));
m_modelImportSettings.splitTangentsAcrossSeams = EditorGUILayout.Toggle("Split Tangents", m_modelImportSettings.splitTangentsAcrossSeams);
EditorGUI.EndDisabledGroup();
}
m_showTextureSettings = EditorGUILayout.Foldout(m_showTextureSettings, "Texture Settings");
if(m_showTextureSettings == true)
{
m_textureImportSettings.textureType = (TextureImporterType)EditorGUILayout.EnumPopup("", m_textureImportSettings.textureType);
switch(m_textureImportSettings.textureType)
{
case TextureImporterType.Bump:
//m_textureImportSettings.convertToNormalmap = EditorGUILayout.Toggle("", m_textureImportSettings.convertToNormalmap);
m_textureImportSettings.heightmapScale = EditorGUILayout.Slider(m_textureImportSettings.heightmapScale, 0.0f, 0.3f);
m_textureImportSettings.normalmapFilter = (TextureImporterNormalFilter)EditorGUILayout.EnumPopup("Normal Map Filter", m_textureImportSettings.normalmapFilter);
m_textureImportSettings.wrapMode = (TextureWrapMode)EditorGUILayout.EnumPopup("Texture Wrap Mode", m_textureImportSettings.wrapMode);
m_textureImportSettings.filterMode = (FilterMode)EditorGUILayout.EnumPopup("Texture Filter Mode", m_textureImportSettings.filterMode);
m_textureImportSettings.anisoLevel = EditorGUILayout.IntSlider("Aniso Level", m_textureImportSettings.anisoLevel, 0, 10);
break;
case TextureImporterType.Lightmap:
m_textureImportSettings.filterMode = (FilterMode)EditorGUILayout.EnumPopup("Texture Filter Mode", m_textureImportSettings.filterMode);
m_textureImportSettings.anisoLevel = EditorGUILayout.IntSlider("Aniso Level", m_textureImportSettings.anisoLevel, 0, 10);
break;
case TextureImporterType.Reflection:
m_textureImportSettings.grayscaleToAlpha = EditorGUILayout.Toggle("Alpha From Grayscale", m_textureImportSettings.grayscaleToAlpha);
m_textureImportSettings.filterMode = (FilterMode)EditorGUILayout.EnumPopup("Texture Filter Mode", m_textureImportSettings.filterMode);
m_textureImportSettings.anisoLevel = EditorGUILayout.IntSlider("Aniso Level", m_textureImportSettings.anisoLevel, 0, 10);
break;
case TextureImporterType.Image:
default:
m_textureImportSettings.textureType = TextureImporterType.Image;
m_textureImportSettings.grayscaleToAlpha = EditorGUILayout.Toggle("Alpha From Grayscale", m_textureImportSettings.grayscaleToAlpha);
m_textureImportSettings.wrapMode = (TextureWrapMode)EditorGUILayout.EnumPopup("Texture Wrap Mode", m_textureImportSettings.wrapMode);
m_textureImportSettings.filterMode = (FilterMode)EditorGUILayout.EnumPopup("Texture Filter Mode", m_textureImportSettings.filterMode);
m_textureImportSettings.anisoLevel = EditorGUILayout.IntSlider("Aniso Level", m_textureImportSettings.anisoLevel, 0, 10);
break;
}
m_textureImportSettings.maxTextureSize = (int)(object)EditorGUILayout.EnumPopup((TextureSize)m_textureImportSettings.maxTextureSize);
m_textureImportSettings.textureFormat = (TextureImporterFormat)EditorGUILayout.EnumPopup(m_textureImportSettings.textureFormat);
/*mip map stuff*/
}
EditorGUILayout.Toggle("Export Assets ", exportAssets);
GUILayout.Space(m_window.position.height * 0.05f);
EditorGUILayout.EndVertical();
EditorGUILayout.BeginHorizontal();
if(GUILayout.Button("Combine Mesh", GUILayout.Height(m_window.position.height * 0.1f)))
{
combineMesh(exportAssets);
}
EditorGUILayout.EndHorizontal();
}
EditorGUILayout.EndScrollView();
}
void OnGUI()
{
m_scrollPosition = EditorGUILayout.BeginScrollView(m_scrollPosition);
Rect verticalLayoutRect = EditorGUILayout.BeginVertical();
EditorGUILayout.LabelField("Select the parent object that is to be combined.");
EditorGUI.BeginChangeCheck();
m_parentObject = (GameObject)EditorGUILayout.ObjectField("Parent Object Of Meshes To Be Combined", m_parentObject, typeof(GameObject), true);
if (EditorGUI.EndChangeCheck())
{
m_textureAtlasInfo = new TextureAtlasInfo();
m_texPropArraySize = m_textureAtlasInfo.shaderPropertiesToLookFor.Length;
m_shaderFoldoutBools = new bool[m_texPropArraySize];
}
if (m_parentObject != null)
{
m_textureAtlasInfo.compressTexturesInMemory = false; //EditorGUILayout.Toggle("Compress Texture", m_textureAtlasInfo.compressTexturesInMemory);
EditorGUI.BeginChangeCheck();
m_texPropArraySize = EditorGUILayout.IntSlider("# Of Shader Properties", m_texPropArraySize, 0, 20);
if (EditorGUI.EndChangeCheck())
{
if (m_texPropArraySize > m_textureAtlasInfo.shaderPropertiesToLookFor.Length)
{
ShaderProperties[] temp = new ShaderProperties[m_texPropArraySize];
for (int i = 0; i < m_texPropArraySize; i++)
{
if (i < m_textureAtlasInfo.shaderPropertiesToLookFor.Length)
{
temp[i] = m_textureAtlasInfo.shaderPropertiesToLookFor[i];
}
else
{
temp[i] = new ShaderProperties(false, "");
}
}
m_textureAtlasInfo.shaderPropertiesToLookFor = temp;
}
else if (m_texPropArraySize < m_textureAtlasInfo.shaderPropertiesToLookFor.Length)
{
ShaderProperties[] temp = new ShaderProperties[m_texPropArraySize];
for (int i = 0; i < m_texPropArraySize; i++)
{
temp[i] = m_textureAtlasInfo.shaderPropertiesToLookFor[i];
}
m_textureAtlasInfo.shaderPropertiesToLookFor = temp;
}
m_shaderFoldoutBools = new bool[m_texPropArraySize];
}
m_showShaderProperties = EditorGUILayout.Foldout(m_showShaderProperties, "Shader Properties To Watch For");
if (m_showShaderProperties)
{
for (int i = 0; i < m_texPropArraySize; i++)
{
m_shaderFoldoutBools[i] = EditorGUILayout.Foldout(m_shaderFoldoutBools[i], "Shader Properties Element " + i);
if (m_shaderFoldoutBools[i] == true)
{
m_textureAtlasInfo.shaderPropertiesToLookFor[i].markAsNormal = EditorGUILayout.Toggle("Mark As Normal Map", m_textureAtlasInfo.shaderPropertiesToLookFor[i].markAsNormal);
m_textureAtlasInfo.shaderPropertiesToLookFor[i].propertyName = EditorGUILayout.TextField("Shader Property Name", m_textureAtlasInfo.shaderPropertiesToLookFor[i].propertyName);
}
}
}
GUILayout.Space(m_window.position.height * 0.05f);
EditorGUI.BeginChangeCheck();
m_folderPath = EditorGUILayout.TextField("Combined Asset Path", m_folderPath);
if (EditorGUI.EndChangeCheck())
{
m_pathToAssets = Application.dataPath + "/" + m_folderPath + "/";
}
GUILayout.Space(m_window.position.height * 0.05f);
m_showModelSettings = EditorGUILayout.Foldout(m_showModelSettings, "Model Settings");
if (m_showModelSettings == true)
{
GUILayout.Label("Meshes", "BoldLabel");
EditorGUILayout.LabelField("Meshes");
m_modelImportSettings.globalScale = EditorGUILayout.FloatField("Global Scale", m_modelImportSettings.globalScale);
m_modelImportSettings.meshCompression = (ModelImporterMeshCompression)EditorGUILayout.EnumPopup("Mesh Compression", m_modelImportSettings.meshCompression);
m_modelImportSettings.optimizeMesh = EditorGUILayout.Toggle("Optimize Mesh", m_modelImportSettings.optimizeMesh);
m_modelImportSettings.addCollider = EditorGUILayout.Toggle("Generate Colliders", m_modelImportSettings.addCollider);
m_modelImportSettings.swapUVChannels = EditorGUILayout.Toggle("Swap UVs", m_modelImportSettings.swapUVChannels);
m_modelImportSettings.generateSecondaryUV = EditorGUILayout.Toggle("Generate Lightmap UVs", m_modelImportSettings.generateSecondaryUV);
GUILayout.Label("Normals & Tangents", "BoldLabel");
m_modelImportSettings.normalImportMode = (ModelImporterTangentSpaceMode)EditorGUILayout.EnumPopup("Normals", m_modelImportSettings.normalImportMode);
m_modelImportSettings.tangentImportMode = (ModelImporterTangentSpaceMode)EditorGUILayout.EnumPopup("Tangents", m_modelImportSettings.tangentImportMode);
if ((m_modelImportSettings.normalImportMode == ModelImporterTangentSpaceMode.Calculate) && !(m_modelImportSettings.tangentImportMode == ModelImporterTangentSpaceMode.None))
{
m_modelImportSettings.tangentImportMode = ModelImporterTangentSpaceMode.Calculate;
}
EditorGUI.BeginDisabledGroup(!(m_modelImportSettings.normalImportMode == ModelImporterTangentSpaceMode.Calculate));
m_modelImportSettings.normalSmoothingAngle = EditorGUILayout.IntSlider("Normal Smoothing Angle", (int)m_modelImportSettings.normalSmoothingAngle, 0, 180);
EditorGUI.EndDisabledGroup();
EditorGUI.BeginDisabledGroup(!(m_modelImportSettings.tangentImportMode == ModelImporterTangentSpaceMode.Calculate));
m_modelImportSettings.splitTangentsAcrossSeams = EditorGUILayout.Toggle("Split Tangents", m_modelImportSettings.splitTangentsAcrossSeams);
EditorGUI.EndDisabledGroup();
}
m_showTextureSettings = EditorGUILayout.Foldout(m_showTextureSettings, "Texture Settings");
if (m_showTextureSettings == true)
{
m_textureImportSettings.textureType = (TextureImporterType)EditorGUILayout.EnumPopup("", m_textureImportSettings.textureType);
switch (m_textureImportSettings.textureType)
{
case TextureImporterType.Bump:
//m_textureImportSettings.convertToNormalmap = EditorGUILayout.Toggle("", m_textureImportSettings.convertToNormalmap);
m_textureImportSettings.heightmapScale = EditorGUILayout.Slider(m_textureImportSettings.heightmapScale, 0.0f, 0.3f);
m_textureImportSettings.normalmapFilter = (TextureImporterNormalFilter)EditorGUILayout.EnumPopup("Normal Map Filter", m_textureImportSettings.normalmapFilter);
m_textureImportSettings.wrapMode = (TextureWrapMode)EditorGUILayout.EnumPopup("Texture Wrap Mode", m_textureImportSettings.wrapMode);
m_textureImportSettings.filterMode = (FilterMode)EditorGUILayout.EnumPopup("Texture Filter Mode", m_textureImportSettings.filterMode);
m_textureImportSettings.anisoLevel = EditorGUILayout.IntSlider("Aniso Level", m_textureImportSettings.anisoLevel, 0, 10);
break;
case TextureImporterType.Lightmap:
m_textureImportSettings.filterMode = (FilterMode)EditorGUILayout.EnumPopup("Texture Filter Mode", m_textureImportSettings.filterMode);
m_textureImportSettings.anisoLevel = EditorGUILayout.IntSlider("Aniso Level", m_textureImportSettings.anisoLevel, 0, 10);
break;
case TextureImporterType.Reflection:
m_textureImportSettings.grayscaleToAlpha = EditorGUILayout.Toggle("Alpha From Grayscale", m_textureImportSettings.grayscaleToAlpha);
m_textureImportSettings.filterMode = (FilterMode)EditorGUILayout.EnumPopup("Texture Filter Mode", m_textureImportSettings.filterMode);
m_textureImportSettings.anisoLevel = EditorGUILayout.IntSlider("Aniso Level", m_textureImportSettings.anisoLevel, 0, 10);
break;
case TextureImporterType.Image:
default:
m_textureImportSettings.textureType = TextureImporterType.Image;
m_textureImportSettings.grayscaleToAlpha = EditorGUILayout.Toggle("Alpha From Grayscale", m_textureImportSettings.grayscaleToAlpha);
m_textureImportSettings.wrapMode = (TextureWrapMode)EditorGUILayout.EnumPopup("Texture Wrap Mode", m_textureImportSettings.wrapMode);
m_textureImportSettings.filterMode = (FilterMode)EditorGUILayout.EnumPopup("Texture Filter Mode", m_textureImportSettings.filterMode);
m_textureImportSettings.anisoLevel = EditorGUILayout.IntSlider("Aniso Level", m_textureImportSettings.anisoLevel, 0, 10);
break;
}
m_textureImportSettings.maxTextureSize = (int)(object)EditorGUILayout.EnumPopup((TextureSize)m_textureImportSettings.maxTextureSize);
m_textureImportSettings.textureFormat = (TextureImporterFormat)EditorGUILayout.EnumPopup(m_textureImportSettings.textureFormat);
/*mip map stuff*/
}
EditorGUILayout.Toggle("Export Assets ", exportAssets);
GUILayout.Space(m_window.position.height * 0.05f);
EditorGUILayout.EndVertical();
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button("Combine Mesh", GUILayout.Height(m_window.position.height * 0.1f)))
{
combineMesh(exportAssets);
}
EditorGUILayout.EndHorizontal();
}
EditorGUILayout.EndScrollView();
}
/**
* This function returns two variables:
-> The tecture atlas
-> An array of the old textures and their new positions. (Used for UV modification)
*/
public static Material combine(Material[] combines, out TexturePosition[] texturePositions, TextureAtlasInfo atlasInfo)
{
if(atlasInfo == null)
{
Debug.LogError("atlasInfo is null. Try removing and reattaching combine children component");
texturePositions = null;
return null;
}
if(atlasInfo.shaderPropertiesToLookFor.Length <= 0)
{
Debug.LogError("You need to enter some shader properties to look for into Atlas Info. Cannot combine with 0 properties");
texturePositions = null;
return null;
}
List<ShaderProperties> properties = new List<ShaderProperties>();
for(int i = 0; i < atlasInfo.shaderPropertiesToLookFor.Length; i++)
{
if(combines[0].HasProperty(atlasInfo.shaderPropertiesToLookFor[i].propertyName) == true)
{
properties.Add(atlasInfo.shaderPropertiesToLookFor[i]);
}
}
texturePositions = new TexturePosition[combines.Length];
for(int i = 0; i < combines.Length; i++)
{
TexturePosition tempTexturePosition = new TexturePosition();
tempTexturePosition.textures = new Texture2D[properties.Count];
for(int j = 0; j < properties.Count; j++)
{
//Debug.Log((combines[i].GetTexture(properties[j].propertyName) == null) + ", " + properties[j].propertyName + ", " + combines[i].name);
if(combines[i].GetTexture(properties[j].propertyName) == null)
{
Debug.LogError("Cannot combine textures when using Unity's default material texture");
texturePositions = null;
return null;
}
tempTexturePosition.textures[j] = GameObject.Instantiate(combines[i].GetTexture(properties[j].propertyName)) as Texture2D;
tempTexturePosition.textures[j].name = tempTexturePosition.textures[j].name.Remove(tempTexturePosition.textures[j].name.IndexOf("(Clone)"));
}
texturePositions[i] = tempTexturePosition;
}
textureQuickSort(texturePositions, 0, texturePositions.Length - 1);
for(int i = 0; i < texturePositions.Length; i++)
{
for(int j = 1; j < texturePositions[i].textures.Length; j++)
{
texturePositions[i].textures[j] = scaleTexture(texturePositions[i].textures[j], texturePositions[i].textures[0].width, texturePositions[i].textures[0].height);
}
}
texturePositions[0].position.x = texturePositions[0].position.y = 0;
texturePositions[0].position.width = texturePositions[0].textures[0].width;
texturePositions[0].position.height = texturePositions[0].textures[0].height;
int height = texturePositions[0].textures[0].height;
int width = texturePositions[0].textures[0].width;
int widthIndex = width;
int heightIndex = 0;
bool useHeightAsReference = true;
for(int i = 1; i < texturePositions.Length; i++)
{
texturePositions[i].position.x = widthIndex;
texturePositions[i].position.y = heightIndex;
texturePositions[i].position.width = texturePositions[i].textures[0].width;
texturePositions[i].position.height = texturePositions[i].textures[0].height;
if(useHeightAsReference)
{
if(widthIndex + texturePositions[i].textures[0].width > width)
{
width = widthIndex + texturePositions[i].textures[0].width;
}
heightIndex += texturePositions[i].textures[0].height;
if(heightIndex >= height)
{
useHeightAsReference = false;
height = heightIndex;
heightIndex = height;
widthIndex = 0;
}
}
else
{
if(heightIndex + texturePositions[i].textures[0].height > height)
{
height = heightIndex + texturePositions[i].textures[0].height;
}
widthIndex += texturePositions[i].textures[0].width;
if(widthIndex >= width)
{
useHeightAsReference = true;
width = widthIndex;
widthIndex = width;
heightIndex = 0;
}
}
}
if(height > width)
{
width = height;
}
else
{
height = width;
}
float textureSizeFactor = 1.0f / height;
Material newMaterial = new Material(combines[0]);
for(int i = 0; i < properties.Count; i++)
{
Texture2D combinesTextures = new Texture2D(width, height, (atlasInfo.ignoreAlpha && !properties[i].markAsNormal) ? TextureFormat.RGB24 : TextureFormat.ARGB32, true);
combinesTextures.anisoLevel = atlasInfo.anisoLevel;
combinesTextures.filterMode = atlasInfo.filterMode;
combinesTextures.wrapMode = atlasInfo.wrapMode;
for(int j = 0; j < texturePositions.Length; j++)
{
combinesTextures.SetPixels((int)texturePositions[j].position.x, (int)texturePositions[j].position.y, texturePositions[j].textures[i].width, texturePositions[j].textures[i].height, texturePositions[j].textures[i].GetPixels());
}
combinesTextures.Apply();
if(atlasInfo.compressTexturesInMemory == true)
{
combinesTextures.Compress(true);
}
newMaterial.SetTexture(properties[i].propertyName, combinesTextures);
}
for(int i = 0; i < texturePositions.Length; i++)
{
texturePositions[i].position.x = texturePositions[i].position.x * textureSizeFactor;
texturePositions[i].position.y = texturePositions[i].position.y * textureSizeFactor;
texturePositions[i].position.width = texturePositions[i].position.width * textureSizeFactor;
texturePositions[i].position.height = texturePositions[i].position.height * textureSizeFactor;
}
return newMaterial;
}
/**
* This function returns two variables:
* -> The tecture atlas
* -> An array of the old textures and their new positions. (Used for UV modification)
*/
public static Material combine(Material[] combines, out TexturePosition[] texturePositions, TextureAtlasInfo atlasInfo)
{
if (atlasInfo == null)
{
Debug.LogError("atlasInfo is null. Try removing and reattaching combine children component");
texturePositions = null;
return(null);
}
if (atlasInfo.shaderPropertiesToLookFor.Length <= 0)
{
Debug.LogError("You need to enter some shader properties to look for into Atlas Info. Cannot combine with 0 properties");
texturePositions = null;
return(null);
}
List <ShaderProperties> properties = new List <ShaderProperties>();
for (int i = 0; i < atlasInfo.shaderPropertiesToLookFor.Length; i++)
{
if (combines[0].HasProperty(atlasInfo.shaderPropertiesToLookFor[i].propertyName) == true)
{
properties.Add(atlasInfo.shaderPropertiesToLookFor[i]);
}
}
texturePositions = new TexturePosition[combines.Length];
for (int i = 0; i < combines.Length; i++)
{
TexturePosition tempTexturePosition = new TexturePosition();
tempTexturePosition.textures = new Texture2D[properties.Count];
for (int j = 0; j < properties.Count; j++)
{
//Debug.Log((combines[i].GetTexture(properties[j].propertyName) == null) + ", " + properties[j].propertyName + ", " + combines[i].name);
if (combines[i].GetTexture(properties[j].propertyName) == null)
{
Debug.LogError("Cannot combine textures when using Unity's default material texture");
texturePositions = null;
return(null);
}
tempTexturePosition.textures[j] = GameObject.Instantiate(combines[i].GetTexture(properties[j].propertyName)) as Texture2D;
tempTexturePosition.textures[j].name = tempTexturePosition.textures[j].name.Remove(tempTexturePosition.textures[j].name.IndexOf("(Clone)"));
}
texturePositions[i] = tempTexturePosition;
}
textureQuickSort(texturePositions, 0, texturePositions.Length - 1);
for (int i = 0; i < texturePositions.Length; i++)
{
for (int j = 1; j < texturePositions[i].textures.Length; j++)
{
texturePositions[i].textures[j] = scaleTexture(texturePositions[i].textures[j], texturePositions[i].textures[0].width, texturePositions[i].textures[0].height);
}
}
texturePositions[0].position.x = texturePositions[0].position.y = 0;
texturePositions[0].position.width = texturePositions[0].textures[0].width;
texturePositions[0].position.height = texturePositions[0].textures[0].height;
int height = texturePositions[0].textures[0].height;
int width = texturePositions[0].textures[0].width;
int widthIndex = width;
int heightIndex = 0;
bool useHeightAsReference = true;
for (int i = 1; i < texturePositions.Length; i++)
{
texturePositions[i].position.x = widthIndex;
texturePositions[i].position.y = heightIndex;
texturePositions[i].position.width = texturePositions[i].textures[0].width;
texturePositions[i].position.height = texturePositions[i].textures[0].height;
if (useHeightAsReference)
{
if (widthIndex + texturePositions[i].textures[0].width > width)
{
width = widthIndex + texturePositions[i].textures[0].width;
}
heightIndex += texturePositions[i].textures[0].height;
if (heightIndex >= height)
{
useHeightAsReference = false;
height = heightIndex;
heightIndex = height;
widthIndex = 0;
}
}
else
{
if (heightIndex + texturePositions[i].textures[0].height > height)
{
height = heightIndex + texturePositions[i].textures[0].height;
}
widthIndex += texturePositions[i].textures[0].width;
if (widthIndex >= width)
{
useHeightAsReference = true;
width = widthIndex;
widthIndex = width;
heightIndex = 0;
}
}
}
if (height > width)
{
width = height;
}
else
{
height = width;
}
float textureSizeFactor = 1.0f / height;
Material newMaterial = new Material(combines[0]);
for (int i = 0; i < properties.Count; i++)
{
Texture2D combinesTextures = new Texture2D(width, height, (atlasInfo.ignoreAlpha && !properties[i].markAsNormal) ? TextureFormat.RGB24 : TextureFormat.ARGB32, true);
combinesTextures.anisoLevel = atlasInfo.anisoLevel;
combinesTextures.filterMode = atlasInfo.filterMode;
combinesTextures.wrapMode = atlasInfo.wrapMode;
for (int j = 0; j < texturePositions.Length; j++)
{
combinesTextures.SetPixels((int)texturePositions[j].position.x, (int)texturePositions[j].position.y, texturePositions[j].textures[i].width, texturePositions[j].textures[i].height, texturePositions[j].textures[i].GetPixels());
}
combinesTextures.Apply();
if (atlasInfo.compressTexturesInMemory == true)
{
combinesTextures.Compress(true);
}
newMaterial.SetTexture(properties[i].propertyName, combinesTextures);
}
for (int i = 0; i < texturePositions.Length; i++)
{
texturePositions[i].position.x = texturePositions[i].position.x * textureSizeFactor;
texturePositions[i].position.y = texturePositions[i].position.y * textureSizeFactor;
texturePositions[i].position.width = texturePositions[i].position.width * textureSizeFactor;
texturePositions[i].position.height = texturePositions[i].position.height * textureSizeFactor;
}
// Debug.Log("TexCU : " + newMaterial.GetTexture(properties[0].propertyName).name + " combines[0] :"+combines[0].name);
return(newMaterial);
}
