/// <summary>
/// 执行切片
/// </summary>
/// <param name="atlasPath"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="clipType"></param>
public static void ClipAtlas(string atlasPath, float width, float height, string clipType)
{
if (!atlasPath.EndsWith(".png") || atlasPath.EndsWith(".tag"))
{
Debug.LogError("--->> 目前仅支持.png/.tga");
return;
}
JsonData jsonData = GetJsonData(atlasPath, clipType);
TextureImporter importer = AssetImporter.GetAtPath(atlasPath) as TextureImporter;
Dictionary <string, SpriteMetaData> nameDic = TransNameDic(importer.spritesheet);
List <SpriteMetaData> metaDatasNew = new List <SpriteMetaData>();
SpriteMetaData[] metaDatas = importer.spritesheet;
for (int i = 0; i < metaDatas.Length; i++)
{
SpriteMetaData source = metaDatas[i];
string clipName; //切片名称
if (IsClipName(source.name))
{
//是切片数据,不会为它生成切片
AddToMetaDatas(metaDatasNew, source, false);
continue;
}
else
{
clipName = GetClipName(source.name, clipType); //切片名称
metaDatasNew.Add(source);
}
SpriteMetaData clipData = new SpriteMetaData();
Rect source_rect = source.rect;
clipData.name = clipName;
if (jsonData != null && jsonData.Keys.Contains(clipName))
{
//json里有数据
JsonData data = jsonData[clipName];
JsonData rectData = data["rect"];
JsonData pivotData = data["pivot"];
Rect rectOld = new Rect(source_rect.x + (int)rectData["offetX"], source_rect.y + (int)rectData["offetY"], (int)rectData["width"], (int)rectData["height"]);
Vector2 pivotOld = new Vector2((float)(double)pivotData["x"], (float)(double)pivotData["y"]); //中点取json里面的
Vector2 pivotPosOld = KuiUtil.CalcPivotPos(rectOld, pivotOld);
Rect rectNew = KuiUtil.CalcRectByPivot(pivotPosOld, pivotOld, new Size(width, height));
//偏移坐标取之前的,尺寸取这次的
//Rect rect = new Rect(source_rect.x + (int)rectData["offetX"], source_rect.y + (int)rectData["offetY"], width, height);
Rect rect = new Rect(rectNew.x, rectNew.y, width, height);
clipData.rect = rectNew;
clipData.pivot = pivotOld;
Debug.Log("切片数据被覆盖\t" + atlasPath + " " + clipType);
}
else
{
Rect rect = new Rect(source_rect.x + (source_rect.width - width) / 2, source_rect.y + (source_rect.height - height) / 2, width, height);
clipData.rect = rect;
clipData.pivot = new Vector2(0.5f, 0.5f);
}
AddToMetaDatas(metaDatasNew, clipData, true);
}
if (metaDatasNew.Count > 0)
{
importer.spritesheet = metaDatasNew.ToArray();
EditorUtility.SetDirty(importer);
importer.SaveAndReimport();
SaveJsonData(atlasPath, importer.spritesheet);
}
AssetDatabase.SaveAssets();
}
