private void SpriteRefreshMenuItem_Click(object sender, EventArgs e)
{
SpriteView.Refresh();
}
private unsafe void Generate(bool now = false)
{
if (!IsHandleCreated || IsDisposed)
{
return;
}
if (Global.Emulator.Frame % RefreshRate.Value == 0 || now)
{
int b0;
int b1;
byte value;
int cvalue;
if (CheckChange())
{
_forceChange = false;
// Pattern Viewer
for (var i = 0; i < 16; i++)
{
PaletteView.BgPalettesPrev[i].Value = PaletteView.BgPalettes[i].Value;
PaletteView.SpritePalettesPrev[i].Value = PaletteView.SpritePalettes[i].Value;
PaletteView.BgPalettes[i].Value = _nes.LookupColor(_nes.ppu.PALRAM[PaletteView.BgPalettes[i].Address]);
PaletteView.SpritePalettes[i].Value = _nes.LookupColor(_nes.ppu.PALRAM[PaletteView.SpritePalettes[i].Address]);
}
if (PaletteView.HasChanged())
{
PaletteView.Refresh();
}
DrawPatternView(PatternView, _ppuBus);
}
var bmpdata2 = SpriteView.sprites.LockBits(new Rectangle(new Point(0, 0), SpriteView.sprites.Size), ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
var framebuf2 = (int *)bmpdata2.Scan0.ToPointer();
int pt_add = _nes.ppu.reg_2000.obj_pattern_hi ? 0x1000 : 0;
bool is8x16 = _nes.ppu.reg_2000.obj_size_16;
// Sprite Viewer
for (int n = 0; n < 4; n++)
{
for (int r = 0; r < 16; r++)
{
int BaseAddr = (r << 2) + (n << 6);
int TileNum = _nes.ppu.OAM[BaseAddr + 1];
int patternAddr;
if (is8x16)
{
patternAddr = (TileNum >> 1) * 0x20;
patternAddr += 0x1000 * (TileNum & 1);
}
else
{
patternAddr = TileNum * 0x10;
patternAddr += pt_add;
}
int Attributes = _nes.ppu.OAM[BaseAddr + 2];
int Palette = Attributes & 0x03;
for (int x = 0; x < 8; x++)
{
for (int y = 0; y < 8; y++)
{
int address = patternAddr + y;
b0 = (byte)((_ppuBus[address] >> (7 - x)) & 1);
b1 = (byte)((_ppuBus[address + 8] >> (7 - x)) & 1);
value = (byte)(b0 + (b1 << 1));
cvalue = _nes.LookupColor(_nes.ppu.PALRAM[16 + value + (Palette << 2)]);
int adr = (x + (r * 16)) + (y + (n * 24)) * (bmpdata2.Stride >> 2);
framebuf2[adr] = cvalue;
}
if (is8x16)
{
patternAddr += 0x10;
for (int y = 0; y < 8; y++)
{
int address = patternAddr + y;
b0 = (byte)((_ppuBus[address] >> (7 - x)) & 1);
b1 = (byte)((_ppuBus[address + 8] >> (7 - x)) & 1);
value = (byte)(b0 + (b1 << 1));
cvalue = _nes.LookupColor(_nes.ppu.PALRAM[16 + value + (Palette << 2)]);
int adr = (x + (r << 4)) + ((y + 8) + (n * 24)) * (bmpdata2.Stride >> 2);
framebuf2[adr] = cvalue;
}
patternAddr -= 0x10;
}
}
}
}
SpriteView.sprites.UnlockBits(bmpdata2);
SpriteView.Refresh();
HandleSpriteViewMouseMove(SpriteView.PointToClient(MousePosition));
HandlePaletteViewMouseMove(PaletteView.PointToClient(MousePosition));
}
}