void OnEnable()
{
drawCallTarget = target as DrawCallMinimizer;
destroyOriginalGameObject = serializedObject.FindProperty("destroyOriginalGameObject");
textureAtlasProperties = serializedObject.FindProperty("_textureAtlasProperties");
skipAtlasingTextures = serializedObject.FindProperty("skipTextureAtlasing");
propertiesToLookFor = drawCallTarget.textureAtlasProperties;
if (propertiesToLookFor == null)
{
propertiesToLookFor = new DrawCallMinimizerInfo();
}
IEnumerable <string> propertiesList = ShaderPropertyUtility.GetUniqueShaderPropertyNames(drawCallTarget.GetComponentsInChildren <Renderer>().Select(X => X.sharedMaterial).Distinct());
//here we clear out properties that are no longer referenced
IList <ShaderProperties> activeProperties = propertiesToLookFor.shaderPropertiesToLookFor.Where(x => propertiesList.Contains(x.propertyName)).ToList();
//then we figure out which properties still need to be added to the list
propertiesList = propertiesList.Where(x => !activeProperties.Select(property => property.propertyName).Contains(x));
foreach (string s in propertiesList)
{
activeProperties.Add(new ShaderProperties(false, s));
}
propertiesToLookFor.shaderPropertiesToLookFor = activeProperties;
serializedObject.ApplyModifiedProperties();
ReimportNonReadonly();
//Reimport anything that is needed
}
/// <summary>
/// Combines the material's textures together using the atlas options
/// </summary>
/// <param name="combines">The materials that are being combined.</param>
/// <param name="atlasInfo">Atlas options information.</param>
public static TextureCombineOutput Combine(IList <Material> combines, DrawCallMinimizerInfo atlasInfo)
{
if (atlasInfo == null || atlasInfo.shaderPropertiesToLookFor == null || atlasInfo.shaderPropertiesToLookFor.Count <= 0)
{
Debug.LogError("You need to enter some shader properties to look for into Atlas Info. Cannot combine with 0 properties");
return(null);
}
TextureCombineOutput output = new TextureCombineOutput();
IList <ShaderProperties> properties = GetShaderProperties(combines, atlasInfo);
for (int i = 0; i < combines.Count; i++)
{
FillInNullMainTexture(combines [i]);
for (int j = 0; j < properties.Count; j++)
{
FillInNulls(combines [i], properties [j]);
}
}
output.texturePositions = SetTexturePositions(combines, properties);
Texture2D textureAtlas = new Texture2D(atlasInfo.maxTextureSize, atlasInfo.maxTextureSize, (atlasInfo.ignoreTransparency && !properties [0].markAsNormal) ? TextureFormat.RGB24 : TextureFormat.ARGB32, true);
Rect[] UVs = PackOriginalTexture(output.texturePositions, textureAtlas, atlasInfo);
if (UVs != null)
{
Material newMaterial = new Material(combines [0]);
newMaterial.SetTexture(properties [0].propertyName, textureAtlas);
for (int i = 1; i < properties.Count; i++)
{
Texture2D additionalAtlas = PackAdditionalTexture(GetTexturesAsArray(output.texturePositions, i), textureAtlas.width, textureAtlas.height, atlasInfo, UVs, properties [i].markAsNormal);
newMaterial.SetTexture(properties [i].propertyName, additionalAtlas);
}
output.combinedMaterial = newMaterial;
return(output);
}
Debug.LogError("There was some sort of issue while trying to pack the textures...");
return(null);
}
/// <summary>
/// Combines the material's textures together using the atlas options
/// </summary>
/// <param name="combines">The materials that are being combined.</param>
/// <param name="atlasInfo">Atlas options information.</param>
public static TextureCombineOutput Combine(IList<Material>combines, DrawCallMinimizerInfo atlasInfo)
{
if (atlasInfo == null || atlasInfo.shaderPropertiesToLookFor == null || atlasInfo.shaderPropertiesToLookFor.Count <= 0) {
Debug.LogError("You need to enter some shader properties to look for into Atlas Info. Cannot combine with 0 properties");
return null;
}
TextureCombineOutput output = new TextureCombineOutput();
IList<ShaderProperties> properties = GetShaderProperties(combines, atlasInfo);
for (int i = 0; i < combines.Count; i++) {
FillInNullMainTexture(combines [i]);
for (int j = 0; j < properties.Count; j++) {
FillInNulls(combines [i], properties [j]);
}
}
output.texturePositions = SetTexturePositions(combines, properties);
Texture2D textureAtlas = new Texture2D(atlasInfo.maxTextureSize, atlasInfo.maxTextureSize, (atlasInfo.ignoreTransparency && !properties [0].markAsNormal) ? TextureFormat.RGB24 : TextureFormat.ARGB32, true);
Rect[] UVs = PackOriginalTexture(output.texturePositions, textureAtlas, atlasInfo);
if (UVs != null) {
Material newMaterial = new Material(combines [0]);
newMaterial.SetTexture(properties [0].propertyName, textureAtlas);
for (int i = 1; i < properties.Count; i++) {
Texture2D additionalAtlas = PackAdditionalTexture(GetTexturesAsArray(output.texturePositions, i), textureAtlas.width, textureAtlas.height, atlasInfo, UVs, properties [i].markAsNormal);
newMaterial.SetTexture(properties [i].propertyName, additionalAtlas);
}
output.combinedMaterial = newMaterial;
return output;
}
Debug.LogError("There was some sort of issue while trying to pack the textures...");
return null;
}
/// <summary>
/// Combine the specified materials, but this overrides the readable option so that textures wil remain readable/non-readable for certain situations within the editor combining
/// </summary>
/// <param name="combines">Combines.</param>
/// <param name="atlasInfo">Atlas info.</param>
/// <param name="readableOveride">If set to <c>true</c> readable overide.</param>
public static TextureCombineOutput Combine(IList<Material>combines, DrawCallMinimizerInfo atlasInfo, bool readableOveride)
{
atlasInfo.readableTexture = readableOveride;
return Combine(combines, atlasInfo);
}
/// <summary>
/// Packs the original texture using Unity's texture packing method
/// </summary>
/// <returns>The original texture.</returns>
/// <param name="texturePositions">Texture positions.</param>
/// <param name="textureAtlas">Texture atlas.</param>
/// <param name="atlasInfo">Atlas info.</param>
static Rect[] PackOriginalTexture(TexturePosition[] texturePositions, Texture2D textureAtlas, DrawCallMinimizerInfo atlasInfo)
{
textureAtlas.anisoLevel = atlasInfo.anisoLevel;
textureAtlas.filterMode = atlasInfo.filterMode;
textureAtlas.wrapMode = atlasInfo.wrapMode;
Rect[] UVpositions = textureAtlas.PackTextures(GetTexturesAsArray(texturePositions, 0), atlasInfo.padding, atlasInfo.maxTextureSize, !atlasInfo.readableTexture);
for (int i = 0; i < texturePositions.Length; i++) {
texturePositions [i].position = UVpositions [i];
}
return UVpositions;
}
/// <summary>
/// Packs the additional textures using the Rects recieved from the original packing method
/// </summary>
/// <returns>The additional texture.</returns>
/// <param name="textures">Textures.</param>
/// <param name="textureWidth">Texture width.</param>
/// <param name="textureHeight">Texture height.</param>
/// <param name="atlasInfo">Atlas info.</param>
/// <param name="UVs">U vs.</param>
/// <param name="markAsNormal">If set to <c>true</c> mark as normal.</param>
static Texture2D PackAdditionalTexture(IList<Texture2D> textures, int textureWidth, int textureHeight, DrawCallMinimizerInfo atlasInfo, IList<Rect> UVs, bool markAsNormal)
{
Texture2D textureAtlas = new Texture2D(textureWidth, textureHeight, (atlasInfo.ignoreTransparency && !markAsNormal) ? TextureFormat.RGB24 : TextureFormat.ARGB32, true);
textureAtlas.anisoLevel = atlasInfo.anisoLevel;
textureAtlas.filterMode = atlasInfo.filterMode;
textureAtlas.wrapMode = atlasInfo.wrapMode;
for (int i=0; i<textures.Count; i++) {
if (!Mathf.Approximately(textures [i].width, textureWidth * UVs [i].width) || !Mathf.Approximately(textures [i].height, textureHeight * UVs [i].height)) {
textures [i] = ScaleTexture(textures [i], (int)(UVs [i].width * textureWidth), (int)(UVs [i].height * textureHeight));
}
try {
textureAtlas.SetPixels((int)(UVs [i].x * textureWidth), (int)(textureHeight * UVs [i].y), (int)(UVs [i].width * textureWidth), (int)(textureHeight * UVs [i].height), textures [i].GetPixels());
} catch (System.Exception exception) {
Debug.LogException(exception);
return null;
}
}
textureAtlas.Apply(true, !atlasInfo.readableTexture);
return textureAtlas;
}
/// <summary>
/// Gets all of the shader properties for a given material and returns a list of them
/// </summary>
/// <returns>The shader properties.</returns>
/// <param name="combines">The materials being combined.</param>
/// <param name="atlasInfo">Atlas information containing the properties to look for</param>
static IList<ShaderProperties> GetShaderProperties(IList<Material> combines, DrawCallMinimizerInfo atlasInfo)
{
return GetShaderProperties(combines [0], atlasInfo);
}
/// <summary>
/// Gets all of the shader properties for a given material and returns a list of them
/// </summary>
/// <returns>The shader properties.</returns>
/// <param name="combines">The materials being combined.</param>
/// <param name="atlasInfo">Atlas information containing the properties to look for</param>
public static IList<ShaderProperties> GetShaderProperties(Material material, DrawCallMinimizerInfo atlasInfo)
{
List<ShaderProperties> properties = new List<ShaderProperties>();
for (int i = 0; i < atlasInfo.shaderPropertiesToLookFor.Count; i++) {
if (material.HasProperty(atlasInfo.shaderPropertiesToLookFor [i].propertyName)) {
properties.Add(atlasInfo.shaderPropertiesToLookFor [i]);
}
}
return properties.AsReadOnly();
}
/// <summary>
/// Packs the additional textures using the Rects recieved from the original packing method
/// </summary>
/// <returns>The additional texture.</returns>
/// <param name="textures">Textures.</param>
/// <param name="textureWidth">Texture width.</param>
/// <param name="textureHeight">Texture height.</param>
/// <param name="atlasInfo">Atlas info.</param>
/// <param name="UVs">U vs.</param>
/// <param name="markAsNormal">If set to <c>true</c> mark as normal.</param>
static Texture2D PackAdditionalTexture(IList <Texture2D> textures, int textureWidth, int textureHeight, DrawCallMinimizerInfo atlasInfo, IList <Rect> UVs, bool markAsNormal)
{
Texture2D textureAtlas = new Texture2D(textureWidth, textureHeight, (atlasInfo.ignoreTransparency && !markAsNormal) ? TextureFormat.RGB24 : TextureFormat.ARGB32, true);
textureAtlas.anisoLevel = atlasInfo.anisoLevel;
textureAtlas.filterMode = atlasInfo.filterMode;
textureAtlas.wrapMode = atlasInfo.wrapMode;
for (int i = 0; i < textures.Count; i++)
{
if (!Mathf.Approximately(textures [i].width, textureWidth * UVs [i].width) || !Mathf.Approximately(textures [i].height, textureHeight * UVs [i].height))
{
textures [i] = ScaleTexture(textures [i], (int)(UVs [i].width * textureWidth), (int)(UVs [i].height * textureHeight));
}
try {
textureAtlas.SetPixels((int)(UVs [i].x * textureWidth), (int)(textureHeight * UVs [i].y), (int)(UVs [i].width * textureWidth), (int)(textureHeight * UVs [i].height), textures [i].GetPixels());
} catch (System.Exception exception) {
Debug.LogException(exception);
return(null);
}
}
textureAtlas.Apply(true, !atlasInfo.readableTexture);
return(textureAtlas);
}
/// <summary>
/// Packs the original texture using Unity's texture packing method
/// </summary>
/// <returns>The original texture.</returns>
/// <param name="texturePositions">Texture positions.</param>
/// <param name="textureAtlas">Texture atlas.</param>
/// <param name="atlasInfo">Atlas info.</param>
static Rect[] PackOriginalTexture(TexturePosition[] texturePositions, Texture2D textureAtlas, DrawCallMinimizerInfo atlasInfo)
{
textureAtlas.anisoLevel = atlasInfo.anisoLevel;
textureAtlas.filterMode = atlasInfo.filterMode;
textureAtlas.wrapMode = atlasInfo.wrapMode;
Rect[] UVpositions = textureAtlas.PackTextures(GetTexturesAsArray(texturePositions, 0), atlasInfo.padding, atlasInfo.maxTextureSize, !atlasInfo.readableTexture);
for (int i = 0; i < texturePositions.Length; i++)
{
texturePositions [i].position = UVpositions [i];
}
return(UVpositions);
}
/// <summary>
/// Gets all of the shader properties for a given material and returns a list of them
/// </summary>
/// <returns>The shader properties.</returns>
/// <param name="combines">The materials being combined.</param>
/// <param name="atlasInfo">Atlas information containing the properties to look for</param>
public static IList <ShaderProperties> GetShaderProperties(Material material, DrawCallMinimizerInfo atlasInfo)
{
List <ShaderProperties> properties = new List <ShaderProperties>();
for (int i = 0; i < atlasInfo.shaderPropertiesToLookFor.Count; i++)
{
if (material.HasProperty(atlasInfo.shaderPropertiesToLookFor [i].propertyName))
{
properties.Add(atlasInfo.shaderPropertiesToLookFor [i]);
}
}
return(properties.AsReadOnly());
}
/// <summary>
/// Gets all of the shader properties for a given material and returns a list of them
/// </summary>
/// <returns>The shader properties.</returns>
/// <param name="combines">The materials being combined.</param>
/// <param name="atlasInfo">Atlas information containing the properties to look for</param>
static IList <ShaderProperties> GetShaderProperties(IList <Material> combines, DrawCallMinimizerInfo atlasInfo)
{
return(GetShaderProperties(combines [0], atlasInfo));
}
/// <summary>
/// Combine the specified materials, but this overrides the readable option so that textures wil remain readable/non-readable for certain situations within the editor combining
/// </summary>
/// <param name="combines">Combines.</param>
/// <param name="atlasInfo">Atlas info.</param>
/// <param name="readableOveride">If set to <c>true</c> readable overide.</param>
public static TextureCombineOutput Combine(IList <Material> combines, DrawCallMinimizerInfo atlasInfo, bool readableOveride)
{
atlasInfo.readableTexture = readableOveride;
return(Combine(combines, atlasInfo));
}
void OnEnable()
{
drawCallTarget = target as DrawCallMinimizer;
destroyOriginalGameObject = serializedObject.FindProperty("destroyOriginalGameObject");
textureAtlasProperties = serializedObject.FindProperty("_textureAtlasProperties");
skipAtlasingTextures = serializedObject.FindProperty("skipTextureAtlasing");
propertiesToLookFor = drawCallTarget.textureAtlasProperties;
if (propertiesToLookFor == null) {
propertiesToLookFor = new DrawCallMinimizerInfo();
}
IEnumerable<string> propertiesList = ShaderPropertyUtility.GetUniqueShaderPropertyNames(drawCallTarget.GetComponentsInChildren<Renderer>().Select(X => X.sharedMaterial).Distinct());
//here we clear out properties that are no longer referenced
IList<ShaderProperties> activeProperties = propertiesToLookFor.shaderPropertiesToLookFor.Where(x => propertiesList.Contains(x.propertyName)).ToList();
//then we figure out which properties still need to be added to the list
propertiesList = propertiesList.Where(x => !activeProperties.Select(property => property.propertyName).Contains(x));
foreach (string s in propertiesList) {
activeProperties.Add(new ShaderProperties(false, s));
}
propertiesToLookFor.shaderPropertiesToLookFor = activeProperties;
serializedObject.ApplyModifiedProperties();
ReimportNonReadonly();
//Reimport anything that is needed
}