public static void DrawInBitmap(this OAMEntry oam, Bitmap bm, Animation.NCER.MappingFormat mapping, GraphicsBank graphics, int xOffset, int yOffset)
{
if (mapping == Animation.NCER.MappingFormat.CM_2D)
{
oam.DrawInBitmap2DMapping(bm, graphics, xOffset, yOffset);
}
else
{
oam.DrawInBitmap1DMapping(bm, graphics, xOffset, yOffset);
}
}
private void parseCellBank(Stream stream)
{
using (var r = new BinaryReader(stream)) {
int cellCount = r.ReadUInt16();
var attributes = r.ReadUInt16();
Cells = new List <AnimationCell>(cellCount);
uint cellOffset = r.ReadUInt32();
Mapping = (MappingFormat)r.ReadUInt32();
var sectionPtr = r.ReadUInt32();
//2 junk pointers that aren't used
stream.Position = cellOffset;
int tileIndexShift = ((int)Mapping) & 3;
long cellDataSize = (attributes == 1) ? 16 : 8;
long oamStart = cellOffset + cellDataSize * cellCount;
for (int cellIndex = 0; cellIndex < cellCount; ++cellIndex)
{
var cell = new AnimationCell();
int numOAMS = r.ReadUInt16();
r.Skip(2); //attributes
long oamOffset = r.ReadUInt32();
{
long curPos = stream.Position;
stream.Position = oamStart + oamOffset;
var oams = new List <OAMEntry>(numOAMS);
for (int oamIndex = 0; oamIndex < numOAMS; ++oamIndex)
{
var oam = new OAMEntry();
oam.Load(r, tileIndexShift, 0);
oams.Add(oam);
}
cell.oams = oams;
Cells.Add(cell);
stream.Position = curPos;
}
if (attributes == 1)
{
r.Skip(8);
}
}
}
}
private static void DrawInBitmap1DMapping(this OAMEntry oam, Bitmap bm, GraphicsBank graphics, int xOffset, int yOffset)
{
for (uint tileY = 0; tileY < oam.TilesY; ++tileY)
{
for (uint tileX = 0; tileX < oam.TilesX; ++tileX)
{
uint tileIndex = oam.TileIndex;
tileIndex += tileX + oam.TilesX * tileY;
var tile = graphics.Tiles[tileIndex];
oam.DrawInBitmap(bm, tile, tileX, tileY, xOffset, yOffset);
}
}
}
public static void DrawInBitmap2DMapping(this OAMEntry oam, Bitmap bm, GraphicsBank graphics, int xOffset, int yOffset)
{
uint baseX = oam.TileIndex % graphics.TilesX;
uint baseY = oam.TileIndex / graphics.TilesX;
uint subTileWidth = (graphics.TilesX == 0xFFFF) ? oam.TilesX : graphics.TilesX;
for (uint tileY = 0; tileY < oam.TilesY; ++tileY)
{
for (uint tileX = 0; tileX < oam.TilesX; ++tileX)
{
uint subTileYIndex = baseY + tileY;
uint subTileXIndex = baseX + tileX;
uint tileIndex = subTileXIndex + subTileYIndex * subTileWidth;
var tile = graphics.Tiles[tileIndex];
oam.DrawInBitmap(bm, tile, tileX, tileY, xOffset, yOffset);
}
}
}
private static void DrawInBitmap(this OAMEntry oam, Bitmap bm, Tile tile, uint tileX, uint tileY, int xOffset, int yOffset)
{
int x = oam.X;
if (oam.XFlip)
{
x += xOffset + Tile.Width * (int)(oam.TilesX - (tileX + 1));
}
else
{
x += xOffset + (int)(Tile.Width * tileX);
}
int y = oam.Y;
if (oam.YFlip)
{
y += yOffset + Tile.Height * (int)(oam.TilesY - (tileY + 1));
}
else
{
y += yOffset + (int)(Tile.Height * tileY);
}
tile.DrawInBitmap(bm, x, y, oam.XFlip, oam.YFlip, oam.PaletteIndex);
}
