static IEnumerable <tk2DSpriteData> ReadSpritesFromData(SpriteCollectionData data)
{
var mainTexture = data.MainTexture as Texture2D;
using (var progress = new ProgressBar(data.Definitions.GetLength(0) - 1, "Unpacking", "Unpacking TK2DSpriteDefinition", true))
{
using (var readContext = new ReadableTextureContext(mainTexture))
{
for (int i = 0; i < data.Definitions.GetLength(0); i++)
{
progress.GoToNextStep();
var sprite = data.Definitions[i];
Vector2 uvOffset = new Vector2(0.001f, 0.001f);
Vector2 PostProcessedBL = Vector2.zero;
Vector2 PostProcessedTR = Vector2.zero;
bool rotated = false;
if (sprite.UVs[0].x == sprite.UVs[1].x && sprite.UVs[2].x == sprite.UVs[3].x)
{
rotated = true;
}
if (rotated)
{
PostProcessedBL = sprite.UVs[1];
PostProcessedTR = sprite.UVs[2];
}
else
{
PostProcessedBL = sprite.UVs[0];
PostProcessedTR = sprite.UVs[3];
}
int PreBLx = Mathf.RoundToInt((PostProcessedBL.x * mainTexture.width) - uvOffset.x);
int PreTRy = Mathf.RoundToInt(((PostProcessedBL.y) * mainTexture.height) - uvOffset.y);
int PreTRx = Mathf.RoundToInt((PostProcessedTR.x * mainTexture.width) + uvOffset.x);
int PreBLy = Mathf.RoundToInt(((PostProcessedTR.y) * mainTexture.height) + uvOffset.y);
int PreWidth = Mathf.Abs(PreBLx - PreTRx);
int PreHeight = Mathf.Abs(PreBLy - PreTRy);
Orientation orientation = Orientation.Up;
if (PostProcessedBL.x < PostProcessedTR.x && PostProcessedBL.y < PostProcessedTR.y)
{
orientation = Orientation.Up;
}
else if (PostProcessedBL.x < PostProcessedTR.x && PostProcessedBL.y > PostProcessedTR.y)
{
orientation = Orientation.Right;
}
else if (PostProcessedBL.x > PostProcessedTR.x && PostProcessedBL.y > PostProcessedTR.y)
{
orientation = Orientation.Down;
}
else if (PostProcessedBL.x > PostProcessedTR.x && PostProcessedBL.y < PostProcessedTR.y)
{
orientation = Orientation.Left;
}
Vector2Int Min = new Vector2Int(Mathf.RoundToInt(Mathf.Min(PreBLx, PreTRx)), Mathf.RoundToInt(Mathf.Min(PreBLy, PreTRy)));
Vector2Int Max = new Vector2Int(Mathf.RoundToInt(Mathf.Max(PreBLx, PreTRx)), Mathf.RoundToInt(Mathf.Max(PreBLy, PreTRy)));
Vector2Int SpriteDimensions = new Vector2Int(Mathf.Abs(Max.x - Min.x) + 1, Mathf.Abs(Max.y - Min.y) + 1);
Texture2D texture = new Texture2D(SpriteDimensions.x, SpriteDimensions.y);
if (Min.x < 0 || Min.y < 0 || Min.x + SpriteDimensions.x - 1 >= mainTexture.width || Min.y + SpriteDimensions.y - 1 >= mainTexture.height)
{
continue;
}
var test = mainTexture.GetPixels(Min.x, Min.y, SpriteDimensions.x, SpriteDimensions.y);
texture.SetPixels(test);
switch (orientation)
{
case Orientation.Up:
texture.Rotate(RotationType.None);
break;
case Orientation.Right:
texture.Rotate(RotationType.Right);
break;
case Orientation.Down:
texture.Rotate(RotationType.HalfFullRotation);
break;
case Orientation.Left:
texture.Rotate(RotationType.Left);
break;
default:
break;
}
if (sprite.Flipped)
{
TextureUtilities.FlipHorizontally(texture);
}
texture.name = sprite.Name;
var worldSize = GetWorldSize(sprite.Positions);
//TODO
yield return(new tk2DSpriteData()
{
Name = sprite.Name,
Pivot = GetPivot(sprite.Positions),
Texture = texture,
UVDimensions = new Vector2Int(PreWidth, PreHeight),
PixelsPerUnit = texture.width / worldSize.x,
SpriteCoords = new Rect(Min.x, Min.y, Max.x - Min.x + 1, Max.y - Min.y + 1)
});
}
}
}
}
