/// <summary>
/// 从图集中获得sprite
/// </summary>
/// <param name="atlasName"></param>
/// <param name="resName"></param>
/// <returns></returns>
public Sprite GetSprite(string atlasName, string resName)
{
ResourceData resourceData;
if (!_resourceDataDic.TryGetValue(atlasName, out resourceData))
{
resourceData = new ResourceData();
resourceData.Init(new string[] { atlasName });
_resourceDataDic.Add(atlasName, resourceData);
Dictionary <string, Object> resMap = new Dictionary <string, Object>();
resourceData.datasDic = resMap;
}
Sprite sp = resourceData.GetObject(resName) as Sprite;
// 若当前缓存中不存在，则从图集中创建一份
if (sp == null)
{
//TimeUtil.BeginSample("DEBUG_SPATLAS");
sp = CreateSpriteFromAtlas(atlasName, resName);
if (sp != null)
{
Dictionary <string, Object> resMap = resourceData.datasDic as Dictionary <string, Object>;
resMap.Add(resName, sp);
}
//TimeUtil.EndSample("DEBUG_SPATLAS");
//TimeUtil.LogSampleTick("DEBUG_SPATLAS", "Create Sp " + atlasName + "/" + resName + " cost {0}");
}
return(sp);
}
/// <summary>
/// 根据resName拿到ResourceData
/// <para>若没有，则创建一个新的</para>
/// </summary>
/// <param name="resName"></param>
/// <returns></returns>
private ResourceData GetOrCreateResourceData(string resName)
{
ResourceData data;
if (!_resourceDataDic.TryGetValue(resName, out data))
{
data = new ResourceData();
data.Init(new string[] { resName });
data.datasDic = new Dictionary <string, Object>();;
}
return(data);
}
/// <summary>
/// 根据配置解析资源，临时使用resource.load
/// </summary>
private void ParseResource(string packName, int count)
{
ResourceData resData = new ResourceData();
resData.Init(new string[] { packName });
Dictionary <string, Object> resMap = new Dictionary <string, Object>();
Texture2D texture;
Sprite sp;
for (int i = 0; i < count; i++)
{
texture = Resources.Load(packName + "/" + packName + "_" + i) as Texture2D;
if (texture != null)
{
sp = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), new Vector2(0.5f, 0.5f));
resMap.Add(packName + "_" + i, sp);
}
}
resData.datasDic = resMap;
_resourceDataDic.Add(packName, resData);
}
/// <summary>
/// 解析一整个atlas
/// </summary>
/// <param name="atlasName"></param>
public void ParseSpriteAtlas(string atlasName)
{
ResourceData resData = new ResourceData();
resData.Init(new string[] { atlasName });
Dictionary <string, Object> resMap = new Dictionary <string, Object>();
resData.datasDic = resMap;
_resourceDataDic.Add(atlasName, resData);
string path = "SpriteAtlas/" + atlasName;
SpriteAtlas atlas = Resources.Load <SpriteAtlas>(path);
if (atlas != null)
{
int len = atlas.spriteCount;
Sprite[] sprites = new Sprite[len];
atlas.GetSprites(sprites);
for (int i = 0; i < len; i++)
{
resMap.Add(sprites[i].name, sprites[i]);
}
}
}