public void DebugDrawObjs(DirectBitmap image)
{
int objIndex = 0;
int originX = 32, originY = 32;
// Render 8 sprites per row
// 16 x 8 sprites
for (int sy = 0; sy < 8; sy++)
{
for (int sx = 0; sx < 16; sx++)
{
Obj obj = Obj[objIndex++];
for (int y = 0; y < obj.Attributes.Dimensions.Height; y++)
{
for (int x = 0; x < obj.Attributes.Dimensions.Width; x++)
{
int paletteIndex = obj.PixelValue(x, y);
if (paletteIndex == 0)
{
continue;
}
image.SetPixel(originX + (sx * 64) + x, originY + (sy * 64) + y, gba.LcdController.Palettes.Palette1[paletteIndex]);
}
}
}
}
// Draw 64x64 pixel grid
GfxHelpers.DrawGrid(image.Bitmap, Color.FromArgb(64, 0, 0, 0), 32, 32, 16, 8, 64, 64);
// Draw a second 8x8 pixel grid
GfxHelpers.DrawGrid(image.Bitmap, Color.FromArgb(64, 200, 0, 0), 32, 32, 128, 64, 8, 8);
}
// Code to dump both BG and Obj tiles. Quite a complex list of parameters in order to make it work for both
public void DebugDrawTiles(DirectBitmap image, byte[] vram, int vramBaseOffset, Color[] palette, bool eightBitColour, Func <int, int> getTile4BitPaletteNumber)
{
int tileCountX = 32;
int tileCountY = 32;
int tileX = 0;
int tileY = 0;
int tileSize = eightBitColour ? LcdController.Tile_Size_8bit: LcdController.Tile_Size_4bit;
int totalTiles = eightBitColour ? 512 : 1024;
for (int tileNumber = 0; tileNumber < totalTiles; tileNumber++)
{
int tileVramOffset = vramBaseOffset + (tileNumber * tileSize);
int paletteOffset = 0;
if (eightBitColour == false && getTile4BitPaletteNumber != null)
{
paletteOffset = getTile4BitPaletteNumber(tileNumber);
}
// Add one tiles pixels
for (int y = 0; y < 8; y++)
{
for (int x = 0; x < 8; x++)
{
int paletteIndex = TileHelpers.GetTilePixel(x, y, eightBitColour, vram, tileVramOffset, false, false);
// 0 == transparent / pal 0
int colIndex = (paletteIndex == 0 ? 0 : paletteOffset + paletteIndex);
image.SetPixel(x + (tileX * 8), y + (tileY * 8), palette[colIndex]);
}
}
// Coordinates on the output image
tileX++;
if (tileX == tileCountX)
{
tileX = 0;
tileY++;
}
}
bool drawGrid = true;
if (drawGrid)
{
GfxHelpers.DrawGrid(image.Bitmap, Color.FromArgb(64, 0, 0, 0), 0, 0, tileCountX, tileCountY, 8, 8);
}
}