public D2dSplitGroup CreateSplitGroup(bool feather, bool allowExpand)
{
if (feather == true)
{
D2dFloodfill.Feather(this);
}
var group = D2dPool <D2dSplitGroup> .Spawn() ?? new D2dSplitGroup();
for (var j = Pixels.Count - 1; j >= 0; j--)
{
var pixel = Pixels[j];
group.AddPixel(pixel.X, pixel.Y);
}
// Feather will automatically add a transparent border
if (allowExpand == true && feather == false)
{
group.Rect.MinX -= 1;
group.Rect.MaxX += 1;
group.Rect.MinY -= 1;
group.Rect.MaxY += 1;
}
return(group);
}
private void Rebuild()
{
Mark();
{
if (CellSize > 0)
{
width = (destructible.AlphaWidth + CellSize - 1) / CellSize;
height = (destructible.AlphaHeight + CellSize - 1) / CellSize;
for (var y = 0; y < height; y++)
{
for (var x = 0; x < width; x++)
{
var cell = D2dPool <D2dEdgeColliderCell> .Spawn() ?? new D2dEdgeColliderCell();
RebuildCell(cell, x, y);
cells.Add(cell);
}
}
UpdateColliderSettings();
}
}
Sweep();
}
public static Island GetIsland()
{
var island = D2dPool <Island> .Spawn() ?? new Island();
Islands.Add(island);
return(island);
}
public static D2dSplitGroup AddTempGroup()
{
var group = D2dPool <D2dSplitGroup> .Spawn() ?? new D2dSplitGroup();
TempGroups.Add(group);
return(group);
}
public static D2dSplitGroup GetSplitGroup()
{
var splitGroup = D2dPool <D2dSplitGroup> .Spawn() ?? new D2dSplitGroup();
SplitGroups.Add(splitGroup);
return(splitGroup);
}
public static void ClearTempGroups()
{
for (var i = TempGroups.Count - 1; i >= 0; i--)
{
D2dPool <D2dSplitGroup> .Despawn(TempGroups[i], j => j.Clear());
}
TempGroups.Clear();
}
public void AddPixel(int x, int y)
{
var pixel = D2dPool <D2dFloodfillPixel> .Spawn() ?? new D2dFloodfillPixel();
pixel.X = x;
pixel.Y = y;
Pixels.Add(pixel);
}
private void Mark()
{
for (var i = cells.Count - 1; i >= 0; i--)
{
D2dPool <D2dEdgeColliderCell> .Despawn(cells[i], c => c.Clear(unusedColliders));
}
cells.Clear();
}
public void Clear()
{
for (var i = Pixels.Count - 1; i >= 0; i--)
{
D2dPool <D2dFloodfillPixel> .Despawn(Pixels[i]);
}
Pixels.Clear();
}
public static D2dSplitGroup SpawnTempSplitGroup(bool addToTempList = true)
{
var group = D2dPool <D2dSplitGroup> .Spawn() ?? new D2dSplitGroup();
if (addToTempList == true)
{
TempSplitGroups.Add(group);
}
return(group);
}
public static Island SpawnTempIsland(bool addToTempList = true)
{
var island = D2dPool <Island> .Spawn() ?? new Island();
if (addToTempList == true)
{
TempIslands.Add(island);
}
return(island);
}
public void AddPixel(int x, int y)
{
var pixel = D2dPool <D2dSplitPixel> .Spawn() ?? new D2dSplitPixel();
pixel.Alpha = 255;
pixel.X = x;
pixel.Y = y;
Rect.Add(x, y);
Pixels.Add(pixel);
}
public void Clear()
{
for (var i = Pixels.Count - 1; i >= 0; i--)
{
D2dPool <D2dSplitPixel> .Despawn(Pixels[i]);
}
Data = null;
Rect.Clear();
Pixels.Clear();
}
public static void ClearAll()
{
for (var i = SplitGroups.Count - 1; i >= 0; i--)
{
var splitGroup = SplitGroups[i];
splitGroup.Clear();
D2dPool <D2dSplitGroup> .Despawn(splitGroup);
}
SplitGroups.Clear();
}
private static void Clear(List <Island> islands)
{
for (var i = islands.Count - 1; i >= 0; i--)
{
var island = islands[i];
island.Clear();
D2dPool <Island> .Despawn(island);
}
islands.Clear();
}
public static void DespawnTempIslands(Island borderIsland = null)
{
if (borderIsland != null)
{
D2dPool <Island> .Despawn(borderIsland, j => j.Clear());
}
if (TempIslands.Count > 0)
{
for (var i = TempIslands.Count - 1; i >= 0; i--)
{
D2dPool <Island> .Despawn(TempIslands[i], j => j.Clear());
}
TempIslands.Clear();
}
}
public static void DespawnTempSplitGroups(D2dSplitGroup borderGroup = null)
{
if (borderGroup != null)
{
D2dPool <D2dSplitGroup> .Despawn(borderGroup, g => g.Clear());
}
if (TempSplitGroups.Count > 0)
{
for (var i = TempSplitGroups.Count - 1; i >= 0; i--)
{
D2dPool <D2dSplitGroup> .Despawn(TempSplitGroups[i], g => g.Clear());
}
TempSplitGroups.Clear();
}
}
public static void Clear()
{
for (var i = Islands.Count - 1; i >= 0; i--)
{
var island = Islands[i];
island.Clear();
D2dPool <Island> .Despawn(island);
}
for (var i = BorderIslands.Count - 1; i >= 0; i--)
{
var island = BorderIslands[i];
island.Clear();
D2dPool <Island> .Despawn(island);
}
Islands.Clear();
BorderIslands.Clear();
}
public static void Find(byte[] newData, int newWidth, int newHeight)
{
width = newWidth;
height = newHeight;
total = newWidth * newHeight;
spreadCount = 0;
if (cells == null || total > cells.Length)
{
cells = new byte[total];
}
for (var i = Islands.Count - 1; i >= 0; i--)
{
D2dPool <D2dFloodfillIsland> .Despawn(Islands[i], j => j.Clear());
}
Islands.Clear();
// Find all solid pixels
for (var i = 0; i < total; i++)
{
cells[i] = newData[i] > 127 ? CELL_SOLID : CELL_EMPTY;
}
for (var i = 0; i < total; i++)
{
if (cells[i] == CELL_SOLID)
{
currentIsland = D2dPool <D2dFloodfillIsland> .Spawn() ?? new D2dFloodfillIsland();
BeginFloodFill(i, i % newWidth, i / newWidth);
Islands.Add(currentIsland);
}
}
}
public static void FastFind(byte[] alphaData, int alphaWidth, int alphaHeight, D2dRect rect)
{
Clear();
if (rect.MinX < 0)
{
rect.MinX = 0;
}
if (rect.MinY < 0)
{
rect.MinY = 0;
}
if (rect.MaxX > alphaWidth)
{
rect.MaxX = alphaWidth;
}
if (rect.MaxY > alphaHeight)
{
rect.MaxY = alphaHeight;
}
lineCount = 0;
CalculateLayout(rect, alphaWidth, alphaHeight);
var oldCount = 0;
for (var y = rect.MinY; y < rect.MaxY; y++)
{
var newCount = FastFindLines(alphaData, alphaWidth, y, rect.MinX, rect.MaxX);
FastLinkLines(lineCount - newCount - oldCount, lineCount - newCount, lineCount);
oldCount = newCount;
}
for (var i = 0; i < lineCount; i++)
{
var line = lines[i];
if (line.Used == false)
{
var island = D2dPool <Island> .Spawn() ?? new Island();
island.MinX = line.MinX;
island.MaxX = line.MaxX;
island.MinY = line.Y;
island.MaxY = line.Y + 1;
island.Count = 0;
// Scan though all connected lines and add to list
linkedLines.Clear(); linkedLines.Add(line); line.Used = true;
for (var j = 0; j < linkedLines.Count; j++)
{
var linkedLine = linkedLines[j];
island.MinX = Mathf.Min(island.MinX, linkedLine.MinX);
island.MaxX = Mathf.Max(island.MaxX, linkedLine.MaxX);
island.MinY = Mathf.Min(island.MinY, linkedLine.Y);
island.MaxY = Mathf.Max(island.MaxY, linkedLine.Y + 1);
island.Count += linkedLine.MaxX - linkedLine.MinX;
AddToScan(linkedLine.Ups);
AddToScan(linkedLine.Dns);
linkedLine.Island = island;
island.Lines.Add(linkedLine);
}
// Bridge layout?
switch (IslandLayout)
{
case Layout.Vertical:
if (island.MinY <= rect.MinY && island.MaxY >= rect.MaxY)
{
IslandLayout = Layout.Island;
}
break;
case Layout.Horizontal:
if (island.MinX <= rect.MinX && island.MaxX >= rect.MaxX)
{
IslandLayout = Layout.Island;
}
break;
}
tempIslands.Add(island);
}
}
SortIslands(rect, alphaWidth, alphaHeight);
}