public static void Init()
{
for (int i = 0; i < 4; i++)
{
Entries[i] = Rom.ReadInt(Address[i]);
InfoEntries[i] = new SpriteInfo[Entries[i]];
for (int j = 0; j < Entries[i]; j++)
{
int a = GetPointer(i, j);
if (a == -1)
{
continue;
}
var ie = new SpriteInfo();
ie.bank = i;
ie.index = j;
Rom.Seek(a);
Rom.SeekAdd(8);
ie.SpriteCount = Rom.ReadUShort();
ie.Sprites = new Sprite[ie.SpriteCount];
for (int k = 0; k < ie.SpriteCount; k++)
{
var s = new Sprite();
s.index = k;
s.SpriteCount = Rom.ReadUShort();
s.Sprites = new OamSprite[s.SpriteCount];
for (int m = 0; m < s.SpriteCount; m++)
{
var o = new OamSprite();
o.CoordY = Rom.ReadSByte();
o.CoordX = (short)Rom.ReadSByte();
ushort ch = Rom.ReadUShort();
o.Tile = (ushort)(ch & 0x3FF);
o.FlipH = (ch & 0x400) != 0;
o.FlipV = (ch & 0x800) != 0;
o.ObjSize = (byte)((ch >> 12) & 3);
o.ObjShape = (byte)((ch >> 14) & 3);
s.Sprites[m] = o;
}
Rom.SeekAdd(2);
ie.Sprites[k] = s;
}
InfoEntries[i][j] = ie;
}
}
}
unsafe public static Bitmap[] GetEnemySprite(int index)
{
Bitmap[] ret = new Bitmap[2];
// Get gfx stuff
int gfxPointer = GetPointer(index + 8) + 12;
byte[] gfxData;
if (LZ77.Decompress(Rom, gfxPointer, out gfxData) == -1)
{
return(null);
}
// Bug with MOTHER 3: for the second Mole Cricket (index 0x3D),
// it uses tiles that are out of bounds in the tile data!
// So let's resize the tile buffer to 32KB (max addressable size)
Array.Resize(ref gfxData, 0x8000);
// Get pal stuff
var palette = GetPals(index);
// Get OAM stuff
int oamPointer = GetPointer(index + 0x2A4);
var oam = new OamSprite[2][];
for (int i = 0; i < 2; i++)
{
// Get the front/back sprite pointer
int subPointer = Rom.ReadUShort(oamPointer + 8 + (i << 1)) + oamPointer;
// Get the number of sub-sprites
ushort numSubSprites = Rom.ReadUShort(subPointer + 2);
oam[i] = new OamSprite[numSubSprites];
// Get the OAM data
for (int j = 0; j < numSubSprites; j++)
{
oam[i][j] = Rom.ReadOam(subPointer + 4 + (j << 3));
// Filter out the palette -- each enemy only has one palette, regardless of what the OAM entry says
// This is only an issue with enemy #0 anyway
oam[i][j].Palette = 0;
}
// Render the sprites
Bitmap bmp = GfxProvider.RenderSprites(oam[i], gfxData, palette);
ret[i] = bmp;
}
return(ret);
}
private void WriteOam(OamSprite oam)
{
Rom.WriteSByte(oam.CoordY);
Rom.WriteSByte((sbyte)oam.CoordX);
ushort ch = (ushort)(
(oam.Tile & 0x3FF) |
(oam.FlipH ? 0x400 : 0) |
(oam.FlipV ? 0x800 : 0) |
((oam.ObjSize & 3) << 12) |
((oam.ObjShape & 3) << 14));
Rom.WriteUShort(ch);
}
public object Clone()
{
var ret = new OamSprite();
ret.CoordX = this.CoordX;
ret.CoordY = this.CoordY;
ret.DblSizeDisable = this.DblSizeDisable;
ret.FlipH = this.FlipH;
ret.FlipV = this.FlipV;
ret.ObjMode = this.ObjMode;
ret.ObjMosaic = this.ObjMosaic;
ret.ObjShape = this.ObjShape;
ret.ObjSize = this.ObjSize;
ret.Palette = this.Palette;
ret.Priority = this.Priority;
ret.RotScale = this.RotScale;
ret.RotScaleParam = this.RotScaleParam;
ret.Tile = this.Tile;
ret.Use8Bpp = this.Use8Bpp;
return(ret);
}