private SpriteLoadingStatus GetSpriteInfo(uint spriteId, out Vector4 uv, out Vector2 size, out Texture2D texture)
{
SpriteTypeImpl match = _spriteSheet.Find(m => spriteId >= m.FirstSpriteId && spriteId <= m.LastSpriteId);
var loadingStatus = SpriteLoadingStatus.Failed;
if (match != null)
{
loadingStatus = SpriteLoadingStatus.Completed;
texture = match.Texture;
}
else
{
texture = null;
}
if (texture == null)
{
uv = Vector4.zero;
size = Vector2.zero;
return(loadingStatus);
}
size = SpriteTypeSizeRefs[match.SpriteType - 1] * Constants.FieldSize;
uint realId = spriteId - match.FirstSpriteId;
int texPerRow = (int)(texture.width / size.x);
float x = (realId % texPerRow) * size.x;
float y = texture.width - (realId / texPerRow * size.y) - size.y;
uv = new Vector4(size.x / texture.width, size.y / texture.height, x / texture.width, y / texture.height);
return(loadingStatus);
}
private SpriteLoadingStatus GetSpriteInfo(uint spriteId, out string filename, out Rect spriteRect, out Vector2 realSpriteSize, out Texture2D tex2D)
{
SpriteTypeImpl match = _spriteSheet.Find(m => spriteId >= m.FirstSpriteId && spriteId <= m.LastSpriteId);
SpriteLoadingStatus loadingStatus = SpriteLoadingStatus.Failed;
if (match != null)
{
loadingStatus = GetOrLoadTexture(match.File, out tex2D);
}
else
{
tex2D = null;
}
if (tex2D == null)
{
filename = null;
spriteRect = Rect.zero;
realSpriteSize = Vector2.zero;
return(loadingStatus);
}
filename = match.File;
realSpriteSize = SpriteTypeSizeRefs[match.SpriteType - 1] * Constants.FieldSize;
uint realId = spriteId - match.FirstSpriteId;
int texPerRow = (int)(tex2D.width / realSpriteSize.x);
float x = (realId % texPerRow) * realSpriteSize.x;
float y = tex2D.width - (realId / texPerRow * realSpriteSize.y) - realSpriteSize.y;
spriteRect = new Rect(x / tex2D.width, y / tex2D.height, realSpriteSize.x / tex2D.width, realSpriteSize.y / tex2D.height);
return(loadingStatus);
}
private bool GetSpriteInfo(uint spriteId, out string filename, out Rect spriteRect, out Vector2 realSpriteSize, out Texture2D tex2D)
{
SpriteTypeImpl match = _spriteSheet.Find(m => spriteId >= m.FirstSpriteId && spriteId <= m.LastSpriteId);
tex2D = match != null?GetOrLoadTexture(match.File) : null;
if (match == null || match.SpriteType < 1 || match.SpriteType > 4 || tex2D == null)
{
filename = null;
spriteRect = Rect.zero;
realSpriteSize = Vector2.zero;
tex2D = null;
return(false);
}
filename = match.File;
realSpriteSize = s_SpriteTypesSizesRef[match.SpriteType - 1] * Constants.FieldSize;
uint realId = spriteId - match.FirstSpriteId;
int texPerRow = (int)(tex2D.width / realSpriteSize.x);
float x = (realId % texPerRow) * realSpriteSize.x;
float y = tex2D.width - (realId / texPerRow * realSpriteSize.y) - realSpriteSize.y;
spriteRect = new Rect(x / tex2D.width, y / tex2D.height, realSpriteSize.x / tex2D.width, realSpriteSize.y / tex2D.height);
return(true);
}
public IEnumerator Parse(System.IO.Stream stream)
{
using (var reader = new System.IO.BinaryReader(stream))
{
uint total = reader.ReadUInt32();
_spriteSheet = new List <SpriteTypeImpl>((int)total);
for (uint i = 0; i < total; i++)
{
var atlasId = reader.ReadUInt32();
var spriteType = reader.ReadUInt16();
var firstSpriteId = reader.ReadUInt32();
var lastSpriteId = reader.ReadUInt32();
var texture = new Texture2D(1, 1);
var size = reader.ReadUInt32();
var data = new byte[size];
reader.Read(data, 0, (int)size);
texture.LoadImage(data);
var spriteImpl = new SpriteTypeImpl
{
AtlasId = atlasId,
FirstSpriteId = firstSpriteId,
LastSpriteId = lastSpriteId,
SpriteType = spriteType,
Texture = texture,
};
_spriteSheet.Add(spriteImpl);
// load a batch of 5 textures at once
if (i % 500 == 100)
{
yield return(null);
}
}
}
}
