Esempio n. 1
0
        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);
        }
Esempio n. 3
0
        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);
        }