/// <summary>This allows you to rebuild the destruction state using the specified sprites.</summary>
public void Rebuild(int optimizeCount)
{
if (shape == null)
{
shape = CachedSpriteRenderer.sprite;
}
if (shape != null)
{
var shapeRect = D2dHelper.SpritePixelRect(shape);
var ppu = shape.pixelsPerUnit;
ready = true;
alphaData = D2dHelper.ReadPixels(shape.texture, shapeRect.x, shapeRect.y, shapeRect.width, shapeRect.height);
alphaWidth = shapeRect.width;
alphaHeight = shapeRect.height;
alphaOffset.x = (shape.textureRectOffset.x - shape.pivot.x) / ppu;
alphaOffset.y = (shape.textureRectOffset.y - shape.pivot.y) / ppu;
alphaScale.x = shape.textureRect.width / ppu;
alphaScale.y = shape.textureRect.height / ppu;
alphaSharpness = 1.0f;
if (solidRangeMask != null && SolidRange > 0)
{
var maskRect = D2dHelper.SpritePixelRect(solidRangeMask);
var maskSize = maskRect.size;
var maskData = D2dHelper.ReadPixels(solidRangeMask.texture, maskRect.x, maskRect.y, maskRect.width, maskRect.height);
var maskMin = System.Math.Max(0, 255 - SolidRange);
var stepH = 1.0f / alphaWidth;
var stepV = 1.0f / alphaHeight;
for (var y = 0; y < alphaHeight; y++)
{
for (var x = 0; x < alphaWidth; x++)
{
var index = x + y * alphaWidth;
var alphaPixel = alphaData[index];
if (alphaPixel.a > maskMin)
{
var maskCoord = new Vector2(x * stepH, y * stepV);
var maskPixel = D2dHelper.Sample(maskData, maskSize, maskCoord);
alphaPixel.a = (byte)Mathf.Lerp(maskMin, 255, maskPixel.a);
alphaData[index] = alphaPixel;
}
}
}
}
originalAlphaCount = CalculateAlphaCount();
if (channels == ChannelType.AlphaWithWhiteRGB)
{
var total = shapeRect.width * shapeRect.height;
for (var i = 0; i < total; i++)
{
var alphaPixel = alphaData[i]; alphaData[i] = new Color32(255, 255, 255, alphaPixel.a);
}
}
for (var i = 0; i < optimizeCount; i++)
{
Optimize();
}
NotifyRebuilt();
}
else
{
Clear();
}
}