public override Color32BppArgb[] RenderPixels()
{
if (Palette is null)
{
return(new Color32BppArgb[0]);
}
var tileWidth = TileWidth;
var tileHeight = TileHeight;
var width = Width;
var pixelsPerRow = width * tileHeight;
var viewWidth = ViewWidth;
var viewHeight = ViewHeight;
var viewTileCount = TileMap.VisibleGridTileCount;
if (viewTileCount == 0)
{
return(new Color32BppArgb[0]);
}
var imageHeight = (((viewTileCount - 1) / viewWidth) + 1)
* tileHeight;
var result = new Color32BppArgb[width * imageHeight];
var gridStartTile = TileMap.GetGridTileIndex(TileMap.Origin);
Parallel.For(0, viewTileCount, DrawSquare);
return(result);
void DrawSquare(int viewTileIndex)
{
var tileX = viewTileIndex % viewWidth;
var tileY = viewTileIndex / viewWidth;
var destIndex = (tileX * TileWidth) + (tileY * pixelsPerRow);
var color = GetPaletteColor(gridStartTile + viewTileIndex);
for (var y = 0; y < tileHeight; y++)
{
for (var x = 0; x < tileWidth; x++)
{
result[destIndex + x] = color;
}
destIndex += width;
}
}
}
public Color32BppArgb[] GetPalette(
int areaIndex,
bool isLuigiBonusArea)
{
var result = new Color32BppArgb[0x100];
var srcIndex = PaletteRowIndexTableAddress + (areaIndex << 4);
for (var destIndex = 0; destIndex < 0x100;)
{
var paletteRowIndex = Rom.ReadByte(srcIndex++);
var paletteIndex = Rom.ReadInt16(
PaletteIndexTableAddress + (paletteRowIndex << 1));
var address = PaletteDataAddress + paletteIndex;
for (var i = 0; i < 0x20; i += 2)
{
var color = Rom.ReadInt16(address + i);
result[destIndex++] = Color32BppArgb.FromSnesColor(color);
}
}
if (isLuigiBonusArea)
{
var address = LuigiBonusAreaPaletteAddress;
for (var i = 0; i < 0x10; i++)
{
var color = Rom.ReadInt16(address + (i << 1));
result[LuigiBonusAreaPaletteIndex + i] =
Color32BppArgb.FromSnesColor(color);
}
}
return(result);
}
public override unsafe Color32BppArgb[] RenderPixels()
{
if (Gfx is null)
{
return(new Color32BppArgb[0]);
}
var colors = new Color32BppArgb[0x100];
for (var i = 0; i < Math.Min(colors.Length, Palette.Count); i++)
{
colors[i] = Palette[i];
}
var tileWidth = TileWidth;
var tileHeight = TileHeight;
var width = Width;
var pixelsPerRow = width * tileHeight;
var viewWidth = ViewWidth;
var viewHeight = ViewHeight;
var viewTileCount = TileMap.VisibleGridTileCount;
if (viewTileCount == 0)
{
return(new Color32BppArgb[0]);
}
var imageHeight = (((viewTileCount - 1) / viewWidth) + 1)
* tileHeight;
var pixelY = new int[tileHeight];
for (var y = 0; y < tileHeight; y++)
{
pixelY[y] = y * GfxTile.PixelsPerPlane / tileHeight;
pixelY[y] *= GfxTile.PlanesPerTile;
}
var pixelX = new int[tileWidth];
for (var x = 0; x < tileWidth; x++)
{
pixelX[x] = x * GfxTile.PixelsPerPlane / tileWidth;
}
var result = new Color32BppArgb[width * imageHeight];
var gridTileIndex = TileMap.GetGridTileIndex(TileMap.Origin);
for (var tileIndex = 0; tileIndex < viewTileCount; tileIndex++)
{
var tileX = tileIndex % viewWidth;
var tileY = tileIndex / viewWidth;
var destIndex = (tileX * TileWidth) + (tileY * pixelsPerRow);
var tile = Gfx[gridTileIndex];
var alpha = GetAlpha();
for (var y = 0; y < tileHeight; y++)
{
var pixelHeight = pixelY[y];
for (var x = 0; x < tileWidth; x++)
{
var colorIndex = tile.Pixels[pixelHeight + pixelX[x]];
var color = colors[colorIndex];
color.Alpha = alpha;
result[destIndex + x] = color;
}
destIndex += width;
}
gridTileIndex++;
}
return(result);
byte GetAlpha()
{
return((byte)(SelectionContainsTile(gridTileIndex)
? 0xFF
: Math.Max(
Byte.MaxValue - (CurrentSelection.Count / 2),
0x80)));
}
}
