/// <summary>
/// 设置图集中散图的位置和缩放
/// </summary>
/// <returns>The texture scale and offset.</returns>
/// <param name="renderTextureSize">Render texture size.</param>
/// <param name="width">Width.</param>
/// <param name="height">Height.</param>
// private Rect GetTextureScaleAndOffset (int renderTextureSize, float width, float height) {
// //Debug.LogError(renderTextureSize + "---" + width + "---" + height);
// //合并算法
// if (currentTextureList.Count == 0) {
// return new Rect (0f, 0f, (float) renderTextureSize / width, (float) renderTextureSize / height);
// }
// endIndex = currentTextureList.Count - 1;
// currentAllWidth = GetAllWidth (beginIndex, endIndex);
// if (currentAllWidth + width > renderTextureSize) {
// currentAllHeight = GetMaxHeight (beginIndex, endIndex);
// beginIndex = endIndex + 1;
// currentAllWidth = GetAllWidth (beginIndex, endIndex);
// }
// return new Rect ((-1) * (currentAllWidth / width), (-1) * currentAllHeight / height, renderTextureSize / width, renderTextureSize / height);
// }
/// <summary>
/// 计算当前行中散图的宽度之和
/// </summary>
/// <returns>The all width.</returns>
/// <param name="bIndex">B index.</param>
/// <param name="eIndex">E index.</param>
// private float GetAllWidth (int bIndex, int eIndex) {
// float allWidth = 0;
// for (int i = bIndex; i <= eIndex; i++) {
// allWidth += textureList[i].texture.width;
// }
// return allWidth;
// }
/// <summary>
/// 计算当前所有行中最高的散图的高度之和
/// </summary>
/// <returns>The max height.</returns>
/// <param name="bIndex">B index.</param>
/// <param name="eIndex">E index.</param>
// private float GetMaxHeight (int bIndex, int eIndex) {
// float maxHeight = int.MinValue * 1.0f;
// for (int i = bIndex; i <= eIndex; i++) {
// if (maxHeight < textureList[i].texture.height) {
// maxHeight = textureList[i].texture.height;
// }
// }
// lineHeightList.Add (maxHeight);
// float allheight = 0;
// for (int j = 0; j < lineHeightList.Count; j++) {
// allheight += lineHeightList[j];
// }
// return allheight;
// }
/// <summary>
/// 给散图排序
/// </summary>
/// <returns>The list.</returns>
/// <param name="textures">Textures.</param>
private List <TextureClass> SortList(List <TextureClass> textures)
{
List <TextureClass> tempList = textures;
for (int i = 0; i < tempList.Count - 1; i++)
{
for (int j = 0; j < tempList.Count - 1 - i; j++)
{
if (GetAreaByTexture(tempList[j].texture) > GetAreaByTexture(tempList[j + 1].texture))
{
TextureClass tempTexture = tempList[j];
tempList[j] = tempList[j + 1];
tempList[j + 1] = tempTexture;
}
}
}
return(tempList);
}
public IEnumerator GetRenderTextureByTexturesOptimize(CombineTextureData combineTextureData, List <Spine.AtlasRegion> regions, int renderTextureSize, Action <PackagedTextureResult> finishCallBack)
{
ResetValue(combineTextureData);
currentAtlasSize = renderTextureSize;
List <TextureClass> textureList = new List <TextureClass>();
//GetTextureClassList (textures);
List <TextureClass> currentTextureList = new List <TextureClass> ();
Material material = InitMaterial();
MaxRectsBinPack maxRectsBinPack = new MaxRectsBinPack(currentAtlasSize, currentAtlasSize, false);
RenderTexture render = RenderTexture.GetTemporary(currentAtlasSize, currentAtlasSize, 0, RenderTextureFormat.ARGB4444);
Dictionary <RenderTexture, TextureClass[]> dic = new Dictionary <RenderTexture, TextureClass[]> ();
Graphics.Blit(null, null, material, 0);
for (int i = 0; i < regions.Count; i++)
{
UnityEngine.Profiling.Profiler.BeginSample("SpineChange_ToTexture");
RenderTexture regionTex = Spine.Unity.Modules.AttachmentTools.AtlasUtilities.ToTexture(regions[i]);
UnityEngine.Profiling.Profiler.EndSample();
textureList.Add(new TextureClass {
index = i, texture = regionTex, textureSize = new TextureSize {
x = regionTex.width, y = regionTex.height
}
});
if (!IsSuitableTexture(textureList[i].texture))
{
throw new System.NotSupportedException("[--散图 " + textureList[i].texture.name + " 的大小超出单位图集的大小,请修改散图或单位图集的大小(SpineConstValue.smallAtlasSize)--]");
}
Rect posRect = maxRectsBinPack.Insert(textureList[i].texture.width, textureList[i].texture.height, MaxRectsBinPack.FreeRectChoiceHeuristic.RectBestAreaFit);
if (posRect.height <= 0)
{
//保存本次的图集和散图的位置信息
TextureClass[] array1 = new TextureClass[currentTextureList.Count];
currentTextureList.CopyTo(array1);
dic.Add(render, array1);
currentTextureList.Clear();
Graphics.Blit(null, null, material, 0);
//初始化参数进行下一次的合图
material = InitMaterial();
maxRectsBinPack = new MaxRectsBinPack(currentAtlasSize, currentAtlasSize, false);
render = RenderTexture.GetTemporary(currentAtlasSize, currentAtlasSize, 0, RenderTextureFormat.ARGB4444);
Graphics.Blit(null, null, material, 0);
textureList.RemoveAt(i);
--i;
combineTextureData.smallAtlasNumber++;
continue;
}
Rect scaleRect = GetScaleRect(posRect, renderTextureSize, renderTextureSize);
material.SetTexture("_MainTex", textureList[i].texture);
material.SetFloat("_ScaleX", scaleRect.width);
material.SetFloat("_ScaleY", scaleRect.height);
material.SetFloat("_OffsetX", scaleRect.x);
material.SetFloat("_OffsetY", scaleRect.y);
Graphics.Blit(null, render, material, 1);
textureList[i].rect = posRect;
currentTextureList.Add(textureList[i]);
//卸载散图资源
// textureList[i].texture = null;
// UnityEngine.Resources.UnloadUnusedAssets();
RenderTexture.ReleaseTemporary(textureList[i].texture);
textureList[i].texture.Release();
textureList[i].texture = null;
yield return(null);
}
Graphics.Blit(null, null, material, 0);
TextureClass[] array2 = new TextureClass[currentTextureList.Count];
currentTextureList.CopyTo(array2);
dic.Add(render, array2);
if (null != combineTextureData.combineCoroutineBig)
{
GameManager.Instance.StopCoroutine(combineTextureData.combineCoroutineBig);
}
combineTextureData.combineCoroutineBig = GameManager.Instance.StartCoroutine(FinallyPackage(combineTextureData, dic, finishCallBack));
}
