public static void TrySplit(D2dDestructible destructible, int feather)
{
if (destructible != null)
{
Search(destructible);
if (islands.Count > 1)
{
var baseRect = new D2dRect(0, alphaWidth, 0, alphaHeight);
if (feather > 0)
{
baseField.Transform(baseRect, alphaWidth, alphaHeight, alphaData);
destructible.SplitBegin();
for (var i = islands.Count - 1; i >= 0; i--)
{
var island = islands[i];
var sprite = destructible.SplitNext(i == 0);
var rect = new D2dRect(island.MinX, island.MaxX, island.MinY, island.MaxY); rect.Expand(feather); rect.ClampTo(baseRect);
D2dHelper.ReserveTempAlphaDataClear(rect.SizeX, rect.SizeY);
island.Fill(baseField, baseRect, rect);
sprite.SubsetAlphaWith(D2dHelper.tempAlphaData, rect, island.Count);
}
}
else
{
destructible.SplitBegin();
for (var i = islands.Count - 1; i >= 0; i--)
{
var island = islands[i];
var chunk = destructible.SplitNext(i == 0);
var rect = new D2dRect(island.MinX, island.MaxX, island.MinY, island.MaxY); rect.ClampTo(baseRect);
D2dHelper.ReserveTempAlphaDataClear(rect.SizeX, rect.SizeY);
island.Fill(rect);
chunk.SubsetAlphaWith(D2dHelper.tempAlphaData, rect);
}
}
destructible.SplitEnd();
}
}
}
public static void TrySplit(D2dDestructible destructible, int feather, int healThreshold)
{
if (destructible != null)
{
Search(destructible);
if (islands.Count > 1)
{
var baseRect = new D2dRect(0, alphaWidth, 0, alphaHeight);
if (feather > 0)
{
baseField.Transform(baseRect, alphaWidth, alphaHeight, alphaData);
destructible.SplitBegin();
for (var i = islands.Count - 1; i >= 0; i--)
{
var island = islands[i];
var piece = destructible.SplitNext(i == 0);
var rect = default(D2dRect);
if (healThreshold >= 0 && island.Count >= healThreshold)
{
rect = baseRect;
}
else
{
rect.MinX = island.MinX;
rect.MaxX = island.MaxX;
rect.MinY = island.MinY;
rect.MaxY = island.MaxY;
rect.Expand(feather);
rect.ClampTo(baseRect);
piece.HealSnapshot = null;
}
D2dHelper.ReserveTempAlphaDataClear(rect.SizeX, rect.SizeY);
island.Fill(baseField, baseRect, rect);
piece.SubsetAlphaWith(D2dHelper.tempAlphaData, rect, island.Count);
}
}
else
{
destructible.SplitBegin();
for (var i = islands.Count - 1; i >= 0; i--)
{
var island = islands[i];
var chunk = destructible.SplitNext(i == 0);
var rect = new D2dRect(island.MinX, island.MaxX, island.MinY, island.MaxY); rect.ClampTo(baseRect);
D2dHelper.ReserveTempAlphaDataClear(rect.SizeX, rect.SizeY);
island.Fill(rect);
chunk.SubsetAlphaWith(D2dHelper.tempAlphaData, rect);
}
}
destructible.SplitEnd(D2dDestructible.SplitMode.Split);
}
}
}
public static void Trim(D2dDestructible destructible)
{
alphaData = destructible.AlphaData;
alphaWidth = destructible.AlphaWidth;
alphaHeight = destructible.AlphaHeight;
var xMin = 0;
var xMax = alphaWidth;
var yMin = 0;
var yMax = alphaHeight;
for (var x = xMin; x < xMax; x++)
{
if (FastSolidAlphaVertical(yMin, yMax, x, alphaWidth) == false)
{
xMin += 1;
}
else
{
break;
}
}
for (var x = xMax - 1; x >= xMin; x--)
{
if (FastSolidAlphaVertical(yMin, yMax, x, alphaWidth) == false)
{
xMax -= 1;
}
else
{
break;
}
}
for (var y = yMin; y < yMax; y++)
{
if (FastSolidAlphaHorizontal(xMin, xMax, y, alphaWidth) == false)
{
yMin += 1;
}
else
{
break;
}
}
for (var y = yMax - 1; y >= yMin; y--)
{
if (FastSolidAlphaHorizontal(xMin, xMax, y, alphaWidth) == false)
{
yMax -= 1;
}
else
{
break;
}
}
var width = xMax - xMin + 2;
var height = yMax - yMin + 2;
var rect = D2dRect.CreateFromMinSize(xMin - 1, yMin - 1, width, height);
D2dHelper.ReserveTempAlphaDataClear(width, height);
D2dHelper.PasteAlpha(alphaData, alphaWidth, xMin, xMax, yMin, yMax, 1, 1, width);
destructible.SubsetAlphaWith(D2dHelper.tempAlphaData, rect, destructible.AlphaCountRaw);
}
