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snesgfxdebugger-preliminary sprite visualizing

This commit is contained in:
zeromus 2012-11-23 23:44:45 +00:00
parent 9efe2f2a67
commit 7ff342f907
2 changed files with 102 additions and 7 deletions
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87
BizHawk.Emulation/Consoles/Nintendo/SNES/SNESGraphicsDecoder.cs
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@ -171,6 +171,45 @@ namespace BizHawk.Emulation.Consoles.Nintendo.SNES
public int MODE;
}
public class OAMInfo
{
public int Index { private set; get; }
public int X { private set; get; }
public int Y { private set; get; }
public int Tile { private set; get; }
public int Table { private set; get; }
public int Palette { private set; get; }
public int Priority { private set; get; }
public bool VFlip { private set; get; }
public bool HFlip { private set; get; }
public int Size { private set; get; }
public OAMInfo(SNESGraphicsDecoder dec, int num)
{
Index = num;
int lowaddr = num*4;
X = dec.oam[lowaddr++];
Y = dec.oam[lowaddr++];
Tile = dec.oam[lowaddr++];
Table = dec.oam[lowaddr] & 1;
Palette = (dec.oam[lowaddr]>>1) & 7;
Priority = (dec.oam[lowaddr] >> 4) & 3;
HFlip = ((dec.oam[lowaddr] >> 6) & 1)==1;
VFlip = ((dec.oam[lowaddr] >> 7) & 1) == 1;
int highaddr = num / 4;
int shift = (num % 4) * 2;
int high = dec.oam[512+highaddr];
high >>= shift;
int x = high & 1;
high >>= 1;
Size = high & 1;
X |= (x << 9);
X = (X << 23) >> 23;
}
}
public class ScreenInfo
{
public BGInfos BG = new BGInfos();
@ -344,15 +383,17 @@ namespace BizHawk.Emulation.Consoles.Nintendo.SNES
colortable = SnesColors.GetLUT(SnesColors.ColorType.Bizhawk);
}
byte* vram;
public byte* vram, oam;
public ushort* cgram, vram16;
public SNESGraphicsDecoder()
{
IntPtr block = LibsnesDll.snes_get_memory_data(LibsnesDll.SNES_MEMORY.VRAM);
vram = (byte*)block.ToPointer();
vram16 = (ushort*)vram;
vram = (byte*)block;
vram16 = (ushort*)block;
block = LibsnesDll.snes_get_memory_data(LibsnesDll.SNES_MEMORY.CGRAM);
cgram = (ushort*)block.ToPointer();
cgram = (ushort*)block;
block = LibsnesDll.snes_get_memory_data(LibsnesDll.SNES_MEMORY.OAM);
oam = (byte*)block;
}
public struct TileEntry
@ -669,12 +710,48 @@ namespace BizHawk.Emulation.Consoles.Nintendo.SNES
Colorize(screen, 0, numPixels);
}
public void RenderSpriteToScreen(int* screen, int stride, int destx, int desty, ScreenInfo si, int spritenum)
{
var dims = new[] { SNESGraphicsDecoder.ObjSizes[si.OBSEL_Size, 0], SNESGraphicsDecoder.ObjSizes[si.OBSEL_Size, 1] };
var oam = new OAMInfo(this, spritenum);
var dim = dims[oam.Size];
int[] tilebuf = _tileCache[4];
int baseaddr;
if (oam.Table == 0)
baseaddr = si.OBJTable0Addr;
else
baseaddr = si.OBJTable1Addr;
int bcol = oam.Tile & 0xF;
int brow = (oam.Tile >> 4) & 0xF;
for(int y=0;y<dim.Height;y++)
for (int x = 0; x < dim.Width; x++)
{
int dy = desty + y;
int dx = destx + x;
int col = (bcol + (x >> 3)) & 0xF;
int row = (brow + (y >> 3)) & 0xF;
int sx = x & 0x7;
int sy = y & 0x7;
int addr = baseaddr*2 + (row * 16 + col) * 64;
addr += sy * 8 + sx;
int dofs = stride*dy+dx;
screen[dofs] = tilebuf[addr];
Paletteize(screen, dofs, oam.Palette * 16 + 128, 1);
Colorize(screen, dofs, 1);
}
}
/// <summary>
/// renders the tiles to a screen of the crudely specified size.
/// we might need 16x16 unscrambling and some other perks here eventually.
/// provide a start color to use as the basis for the palette
/// </summary>
public void RenderTilesToScreen(int* screen, int tilesWide, int tilesTall, int stride, int bpp, int startcolor, int startTile = 0, int numTiles = -1, bool descramble16=false)
public void RenderTilesToScreen(int* screen, int tilesWide, int tilesTall, int stride, int bpp, int startcolor, int startTile = 0, int numTiles = -1, bool descramble16 = false)
{
if(numTiles == -1)
numTiles = 8192 / bpp;

22
BizHawk.MultiClient/SNESTools/SNESGraphicsDebugger.cs
View File

@ -36,7 +36,8 @@ namespace BizHawk.MultiClient
displayTypeItems.Add(new DisplayTypeItem("BG2",eDisplayType.BG2));
displayTypeItems.Add(new DisplayTypeItem("BG3",eDisplayType.BG3));
displayTypeItems.Add(new DisplayTypeItem("BG4",eDisplayType.BG4));
displayTypeItems.Add(new DisplayTypeItem("OBJ",eDisplayType.OBJ0));
displayTypeItems.Add(new DisplayTypeItem("OBJ Tiles",eDisplayType.OBJ0));
displayTypeItems.Add(new DisplayTypeItem("Sprites", eDisplayType.Sprites));
displayTypeItems.Add(new DisplayTypeItem("2bpp tiles",eDisplayType.Tiles2bpp));
displayTypeItems.Add(new DisplayTypeItem("4bpp tiles",eDisplayType.Tiles4bpp));
displayTypeItems.Add(new DisplayTypeItem("8bpp tiles",eDisplayType.Tiles8bpp));
@ -240,6 +241,23 @@ namespace BizHawk.MultiClient
};
var selection = CurrDisplaySelection;
if (selection == eDisplayType.Sprites)
{
var dims = new[] { SNESGraphicsDecoder.ObjSizes[si.OBSEL_Size,0], SNESGraphicsDecoder.ObjSizes[si.OBSEL_Size,1] };
int largestWidth = Math.Max(dims[0].Width, dims[1].Width);
int largestHeight = Math.Max(dims[0].Height, dims[1].Height);
int width = largestWidth * 16;
int height = largestHeight * 8;
allocate(width, height);
for (int i = 0; i < 128; i++)
{
int tx = i % 16;
int ty = i / 16;
int x = tx * largestWidth;
int y = ty * largestHeight;
gd.RenderSpriteToScreen(pixelptr, stride / 4, x,y, si, i);
}
}
if (selection == eDisplayType.OBJ0 || selection == eDisplayType.OBJ1)
{
allocate(128, 256);
@ -336,7 +354,7 @@ namespace BizHawk.MultiClient
enum eDisplayType
{
BG1=1, BG2=2, BG3=3, BG4=4, OBJ0, OBJ1, Tiles2bpp, Tiles4bpp, Tiles8bpp, TilesMode7, TilesMode7Ext, TilesMode7DC
BG1=1, BG2=2, BG3=3, BG4=4, Sprites, OBJ0, OBJ1, Tiles2bpp, Tiles4bpp, Tiles8bpp, TilesMode7, TilesMode7Ext, TilesMode7DC
}
static bool IsDisplayTypeBG(eDisplayType type) { return type == eDisplayType.BG1 || type == eDisplayType.BG2 || type == eDisplayType.BG3 || type == eDisplayType.BG4; }
static bool IsDisplayTypeOBJ(eDisplayType type) { return type == eDisplayType.OBJ0 || type == eDisplayType.OBJ1; }