public static List <KeyValuePair <int, int> > GetCourseIds(Rom rom)
{
//convert course id => course no using data in ROM
rom.SetBank(0);
var courseIdToNo = new List <KeyValuePair <int, int> >();
for (int i = 0; i <= 0x2A; i++)
{
int levelpointer = rom.ReadWord(0x0534 + i * 2);
int courseNo = (levelpointer - 0x0587) / 3;
courseIdToNo.Add(new KeyValuePair <int, int>(i, courseNo));
}
return(courseIdToNo);
}
public static bool SaveChanges(Rom rom, int course, string filePath, out string errorMessage)
{
//rom expansion give new banks for level data
rom.ExpandTo1MB();
SaveBlocksToRom(rom, course);
if (!SaveObjectsToRom(rom, course, out errorMessage))
{
return(false);
}
rom.FixCRC();
rom.Save(filePath);
return(true);
}
public static int SearchWarp(Rom rom, int course, int sector)
{
rom.SetBank(0xC);
//search sector that target that sector
for (int i = 0; i < 32; i++)
{
int warp = rom.ReadWord(0x4F30 + course * 64 + i * 2);
if (rom.ReadByte(warp) == sector)
{
return(warp);
}
}
return(-1);
}
public static void DumpBonusSprites(Rom rom)
{
Array.Clear(tiles8x8.Bits, 0, tiles8x8.Bits.Length);
//bonus sprites
rom.SetBank(0x5);
Dump8x8Tiles(rom, 0x4C81, 23, 0, 0x1E, enemyPalette, true);
rom.SetBank(0x11);
Dump8x8Tiles(rom, 0x7300, 4, 16 + 23, 0x1E, enemyPalette, true);
rom.SetBank(0xF);
int[] sprites = { 0x4ACB, 0x4AEB, 0x4ADB, 0x4AFB, 0x4B0B, 0x4B1B, 0x4B2B, 0x4B4B, 0x4B5B };
for (int i = 0; i < sprites.Length; i++)
{
DumpSprite(rom, 8 + i * 16, 16, sprites[i], tilesObjects);
}
}
static void FindEnemiesData(Rom rom, int enemiesPointer, out int enemyId, out int tilesPointer)
{
byte[] pattern =
{
0x3E, 0x00, //ld a, ..
0xEA, 0x2F, 0xA3, //ld (A32F),a
0x3E, 0x00, //ld a, ..
0xEA, 0x30, 0xA3, //ld (A330),a
0x01, 0x00, 0x00, //ld bc, ..
0xCD, 0xA7, 0x40 //call 40A7
};
rom.SetBank(0x7);
int position = enemiesPointer;
while (rom.ReadByte(position) != 0xC9) //ret
{
bool match = true;
for (int j = 0; j < pattern.Length; j++)
{
byte valueFromRom = rom.ReadByte(position + j);
byte valueToCompare = pattern[j];
if (valueToCompare != 0x00 && valueFromRom != valueToCompare)
{
match = false;
break;
}
}
if (match)
{
enemyId = rom.ReadByte(position + 6) << 8 | rom.ReadByte(position + 1);
tilesPointer = rom.ReadByte(position + 12) << 8 | rom.ReadByte(position + 11);
return;
}
position++;
}
throw new Exception("cannot find enemies data");
}
static byte[] RLEDecompressObjects(Rom rom, int enemiesData)
{
int position = 0;
byte[] decompressed = new byte[0x2000];
while (position < decompressed.Length)
{
byte data = rom.ReadByte(enemiesData++);
decompressed[position++] = (byte)(data >> 4);
decompressed[position++] = (byte)(data & 0xF);
byte repeat = rom.ReadByte(enemiesData++);
for (int i = 0; i < repeat; i++)
{
decompressed[position++] = 0;
decompressed[position++] = 0;
}
}
return(decompressed);
}
void LoadToolStripMenuItemClick(object sender, EventArgs e)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.Filter = "GB ROM Image (*.gb)|*.gb";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
Rom newRom = new Rom();
newRom.Load(openFileDialog1.FileName);
if (newRom.Title == "SUPERMARIOLAND3")
{
rom = newRom;
LoadLevelCombobox();
Level.DumpBonusSprites(rom);
Level.DumpPlayerSprite(rom);
romFilePath = openFileDialog1.FileName;
if (levelComboBox.SelectedIndex == 0)
{
LevelComboBoxSelectedIndexChanged(sender, e);
}
else
{
levelComboBox.SelectedIndex = 0;
}
toolboxToolStripMenuItem.Enabled = true;
saveAsToolStripMenuItem.Enabled = true;
levelComboBox.Visible = true;
LevelPanel.Visible = true;
}
else
{
MessageBox.Show("Please select a valid WarioLand 1 rom", Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
public static void Dump16x16Tiles(Rom rom, int tileindexaddress, Bitmap gfx8, Graphics g, bool switchA, bool switchB)
{
for(int n = 0 ; n < 16 ; n++)
{
for(int i = 0 ; i < 8 ; i++)
{
int tileIndex = i + n * 8;
tileIndex = Level.Switch(tileIndex, switchA, switchB);
for(int k = 0 ; k < 2 ; k++)
{
for(int j = 0 ; j < 2 ; j++)
{
byte subTileIndex = rom.ReadByte(tileindexaddress + tileIndex * 4 + k * 2 + j);
g.DrawImage(gfx8,
new Rectangle(j * 8 + i * 16, k * 8 + n * 16, 8, 8),
new Rectangle((subTileIndex % 16) * 8, ((subTileIndex) / 16) * 8, 8, 8),
GraphicsUnit.Pixel);
}
}
}
}
}
public static void Dump8x8Tiles(Rom rom, int gfxaddress, Bitmap gfx8, int tiles, int rowpos, byte palette)
{
for(int n = 0 ; n < tiles ; n++)
{
for(int j = 0 ; j < 8 ; j++)
{
byte data0 = rom.ReadByte(gfxaddress++);
byte data1 = rom.ReadByte(gfxaddress++);
for(int i = 0 ; i < 8 ; i++)
{
int pixelA = (data0 >> (7 - i)) & 0x1;
int pixelB = (data1 >> (7 - i)) & 0x1;
int pixel = pixelA + pixelB * 2;
int palindex = (palette >> pixel * 2) & 0x3;
int x = i + n%16 * 8;
int y = j + (n/16 + rowpos) * 8;
gfx8.SetPixel(x, y, paletteColors[palindex]);
}
}
}
}
static Rectangle DumpSprite(Rom rom, int posx, int posy, int spriteAddress, DirectBitmap tilesDest)
{
Rectangle rectangle = Rectangle.Empty;
int pos = spriteAddress;
pos = rom.ReadWord(pos);
pos++; //skip sprite flags
while (rom.ReadByte(pos) != 0x80)
{
int spx, spy;
unchecked
{
spy = (sbyte)rom.ReadByte(pos++) + posy;
spx = (sbyte)rom.ReadByte(pos++) + posx;
}
int spriteData = rom.ReadByte(pos++);
int spriteIndex = (spriteData & 0x3F);
DumpSpriteInternal(spx, spy, spriteIndex, spriteData, tilesDest, ref rectangle);
}
return(rectangle);
}
static Rectangle DumpSpritePlayer(Rom rom, int posx, int posy, int spriteAddress, bool horizontalFlip)
{
Rectangle rectangle = Rectangle.Empty;
int pos = spriteAddress;
Func <sbyte, sbyte> hflip = x => (sbyte)(horizontalFlip ? ((~(sbyte)x) - 7) : x);
pos = rom.ReadWord(pos);
while (rom.ReadByte(pos) != 0x80)
{
int spx, spy;
unchecked
{
spy = (sbyte)rom.ReadByte(pos++) + posy;
spx = hflip((sbyte)rom.ReadByte(pos++)) + posx;
}
int spriteIndex = rom.ReadByte(pos++);
int spriteFlags = rom.ReadByte(pos++) ^ (horizontalFlip ? 0x40 : 0x00);
DumpSpriteInternal(spx, spy, spriteIndex, spriteFlags, playerSprite, ref rectangle);
}
return(rectangle);
}
public static int SearchWarp(Rom rom, int course, int sector)
{
rom.SetBank(0xC);
int warp = rom.ReadWord(0x4F30 + course * 64 + sector * 2);
if(rom.ReadByte(warp) != 32)
{
//search sector that target that sector
for(int i = 0 ; i < 32 ; i++)
{
warp = rom.ReadWord(0x4F30 + course * 64 + i * 2);
if(rom.ReadByte(warp) == sector)
{
return warp;
}
}
}
return -1;
}
public static bool SaveObjectsToRom(Rom rom, int course, out string errorMessage)
{
byte[][] enemyData = new byte[0x2B][];
//save objects
rom.SetBank(0x7);
for(int i = 0 ; i < 0x2B ; i++)
{
int objectsPos = rom.ReadWord(0x4199 + i * 2);
enemyData[i] = RLEDecompressObjects(rom, objectsPos).Take(0x2000).ToArray();
}
enemyData[course]= objectsData;
int objectSize = enemyData.Sum(x => RLECompressObjects(x).Count());
if(objectSize > 4198)
{
errorMessage = string.Format("Object data is too big to fit in ROM.\r\nPlease remove at least {0} byte(s).", objectSize - 4198);
return false;
}
int startPos = rom.ReadWord(0x4199);
for(int i = 0 ; i < 0x2B ; i++)
{
rom.WriteWord(0x4199 + i * 2, (ushort)startPos);
byte[] data = RLECompressObjects(enemyData[i]).ToArray();
rom.WriteBytes(startPos, data);
startPos += data.Length;
}
errorMessage = string.Empty;
return true;
}
public static bool SaveChanges(Rom rom, int course, string filePath, out string errorMessage)
{
//rom expansion give new banks for level data
rom.ExpandTo1MB();
SaveBlocksToRom(rom, course);
if(!SaveObjectsToRom(rom, course, out errorMessage))
{
return false;
}
rom.FixCRC();
rom.Save(filePath);
return true;
}
public static void SaveBlocksToRom(Rom rom, int course)
{
//grab all levels data at once
byte[][] allTiles = new byte[0x2B][];
for(int i = 0 ; i < 0x2B ; i++)
{
rom.SetBank(0xC);
int headerposition = rom.ReadWord(0x4560 + i * 2);
int tilebank = rom.ReadByte(headerposition + 9);
int tilesubbank = rom.ReadByte(headerposition + 10);
rom.SetBank(tilebank);
int tilePosition = rom.ReadWord(0x4000 + tilesubbank * 2);
byte[] tileData = RLEDecompressTiles(rom, tilePosition).Take(0x3000).ToArray();
allTiles[i] = tileData;
}
Array.Copy(levelData, allTiles[course], 0x3000);
//write them back to ROM
byte bank = 0x20;
byte subbank = 0;
int writePosition = 0x4040; //first 64 bytes are reserved for level pointers
for(int i = 0 ; i < 0x2B ; i++)
{
byte[] tileData = RLECompressTiles(allTiles[i]).ToArray();
if((writePosition + tileData.Length) >= 0x8000 || subbank >= 32)
{
//no more space, switch to another bank
bank++;
subbank = 0;
writePosition = 0x4040;
}
//write data to bank
rom.SetBank(bank);
rom.WriteWord(0x4000 + subbank * 2, (ushort)writePosition);
rom.WriteBytes(writePosition, tileData);
//update level header
rom.SetBank(0xC);
int headerposition = rom.ReadWord(0x4560 + i * 2);
rom.WriteByte(headerposition + 9, bank);
rom.WriteByte(headerposition + 10, subbank);
subbank++;
writePosition += tileData.Length;
}
}
public static IEnumerable<byte> RLEDecompressTiles(Rom rom, int tilesdata)
{
while(true)
{
byte data = rom.ReadByte(tilesdata++);
if((data & 0x80) == 0x80)
{
data = (byte)(data & 0x7F);
byte rep = rom.ReadByte(tilesdata++);
for(int j = 0 ; j <= rep ; j++)
{
yield return data;
}
}
else
{
yield return data;
}
}
}
public static IEnumerable<byte> RLEDecompressObjects(Rom rom, int enemiesData)
{
while(true)
{
byte data = rom.ReadByte(enemiesData++);
yield return (byte)(data >> 4);
yield return (byte)(data & 0xF);
byte repeat = rom.ReadByte(enemiesData++);
for(int i = 0 ; i < repeat ; i++)
{
yield return 0;
yield return 0;
}
}
}
public static void DumpLevel(Rom rom, int course, int warp, bool reloadAll, int switchMode, int paletteIndex, int animatedTileIndex, bool reloadAnimatedTilesOnly)
{
int tilebank;
int tileaddressB;
int tileaddressA;
int tileanimated;
int blockindex;
byte palette;
int enemiesData;
rom.SetBank(0xC);
int header = rom.ReadWord(0x4560 + course * 2);
if (warp != -1)
{
//load warp
tilebank = rom.ReadByte(warp + 11);
tileaddressB = rom.ReadWord(warp + 12);
tileaddressA = rom.ReadWord(warp + 14);
tileanimated = rom.ReadWord(warp + 18);
blockindex = rom.ReadWord(warp + 20);
animatedTilesMask = rom.ReadByte(warp + 9);
palette = rom.ReadByte(warp + 10);
enemiesData = rom.ReadWord(warp + 22);
}
else
{
//or header
tilebank = rom.ReadByte(header + 0);
tileaddressB = rom.ReadWord(header + 1);
tileaddressA = rom.ReadWord(header + 3);
tileanimated = rom.ReadWord(header + 7);
blockindex = rom.ReadWord(header + 11);
animatedTilesMask = rom.ReadByte(header + 26);
palette = rom.ReadByte(header + 27);
enemiesData = rom.ReadWord(header + 28);
}
Color[] paletteColors = palettes[paletteIndex];
if (!reloadAnimatedTilesOnly)
{
int enemiesIdsPointer, enemiesTiles;
FindEnemiesData(rom, enemiesData, out enemiesIdsPointer, out enemiesTiles);
DumpEnemiesSprites(rom, enemiesIdsPointer, enemiesTiles);
//dump 8x8 tiles
Array.Clear(tiles8x8.Bits, 0, tiles8x8.Width * tiles8x8.Height);
rom.SetBank(0x11);
Dump8x8Tiles(rom, tileaddressA, 2 * 16, 0 * 16, palette, paletteColors);
rom.SetBank(tilebank);
Dump8x8Tiles(rom, tileaddressB, 6 * 16, 2 * 16, palette, paletteColors);
}
if (animatedTilesMask != 0)
{
rom.SetBank(0x11);
Dump8x8Tiles(rom, tileanimated + animatedTileIndex * 16 * 4, 4, 2 * 16, palette, paletteColors);
}
//dump 16x16 tiles
if (reloadAnimatedTilesOnly)
{
DumpAnimated16x16Tiles(paletteColors[0]);
}
else
{
rom.SetBank(0xB);
Dump16x16Tiles(rom, blockindex, switchMode, paletteColors[0], out animated16x16Tiles, out animated8x8Tiles);
}
if (reloadAll)
{
//dump 16x16 blocks
rom.SetBank(0xC);
int blockbank = rom.ReadByte(header + 9);
int blockubbank = rom.ReadByte(header + 10);
rom.SetBank(blockbank);
int tilesdata = rom.ReadWord(0x4000 + blockubbank * 2);
levelData = RLEDecompressTiles(rom, tilesdata);
//dump scroll
rom.SetBank(0xC);
scrollData = rom.ReadBytes(0x4000 + course * 32, 32);
//dump objects
rom.SetBank(0x7);
int objectsPosition = rom.ReadWord(0x4199 + course * 2);
objectsData = RLEDecompressObjects(rom, objectsPosition);
//dump warps
rom.SetBank(0xC);
warps = new Byte[32];
for (int i = 0; i < 32; i++)
{
int warpdata = rom.ReadWord(0x4F30 + course * 64 + i * 2);
warps[i] = rom.ReadByte(warpdata);
}
warioPosition = rom.ReadWordSwap(header + 15) + rom.ReadWordSwap(header + 13) * 8192;
warioRightFacing = (rom.ReadByte(header + 18) & 0x20) == 0;
}
}
public static void DumpLevel(Rom rom, int course, int warp, Bitmap tiles8x8, Bitmap tiles16x16, bool reloadAll, bool switchA, bool switchB, int paletteIndex)
{
rom.SetBank(0xC);
int header = rom.ReadWord(0x4560 + course * 2);
int tilebank = rom.ReadByte(header + 0);
int tileaddressB = rom.ReadWord(header + 1);
int tileaddressA = rom.ReadWord(header + 3);
int tileanimated = rom.ReadWord(header + 7);
int blockbank = rom.ReadByte(header + 9);
int blockubbank = rom.ReadByte(header + 10);
int blockindex = rom.ReadWord(header + 11);
byte palette = rom.ReadByte(header + 27);
//load warp
if(warp != -1)
{
tilebank = rom.ReadByte(warp + 11);
tileaddressB = rom.ReadWord(warp + 12);
tileaddressA = rom.ReadWord(warp + 14);
tileanimated = rom.ReadWord(warp + 18);
blockindex = rom.ReadWord(warp + 20);
palette = rom.ReadByte(warp + 10);
}
//set palette
paletteColors = palettes[paletteIndex];
//dump 8x8 blocks
using(Graphics g = Graphics.FromImage(tiles8x8))
{
g.Clear(paletteColors[0]);
rom.SetBank(0x11);
Dump8x8Tiles(rom, tileaddressA, tiles8x8, 2*16, 0, palette);
rom.SetBank(tilebank);
Dump8x8Tiles(rom, tileaddressB, tiles8x8, 6*16, 2, palette);
rom.SetBank(0x11);
Dump8x8Tiles(rom, tileanimated, tiles8x8, 4, 2, palette);
}
//dump 16x16 blocks
using(Graphics g = Graphics.FromImage(tiles16x16))
{
g.Clear(paletteColors[0]);
rom.SetBank(0xB);
Dump16x16Tiles(rom, blockindex, tiles8x8, g, switchA, switchB);
}
if(reloadAll)
{
//dump level
rom.SetBank(blockbank);
int tilesdata = rom.ReadWord(0x4000 + blockubbank * 2);
levelData = RLEDecompressTiles(rom, tilesdata).Take(0x3000).ToArray();
//dump scroll
rom.SetBank(0xC);
scrollData = rom.ReadBytes(0x4000 + course * 32, 32);
//dump objects
rom.SetBank(0x7);
int objectsPosition = rom.ReadWord(0x4199 + course * 2);
objectsData = RLEDecompressObjects(rom, objectsPosition).Take(0x2000).ToArray();
//dump warps
rom.SetBank(0xC);
warps = new Byte[32];
for(int i = 0 ; i < 32 ; i++)
{
int warpdata = rom.ReadWord(0x4F30 + course * 64 + i * 2);
warps[i] = rom.ReadByte(warpdata);
}
warioPosition = rom.ReadWordSwap(header + 15) + rom.ReadWordSwap(header + 13) * 8192;
}
}
void LoadToolStripMenuItemClick(object sender, EventArgs e)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.Filter = "GB ROM Image (*.gb)|*.gb";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
Rom newRom = new Rom();
newRom.Load(openFileDialog1.FileName);
if (newRom.Title == "SUPERMARIOLAND3")
{
rom = newRom;
LoadLevelCombobox();
romFilePath = openFileDialog1.FileName;
if(levelComboBox.SelectedIndex == 0)
LevelComboBoxSelectedIndexChanged(sender, e);
else
levelComboBox.SelectedIndex = 0;
saveToolStripMenuItem.Enabled = true;
saveAsToolStripMenuItem.Enabled = true;
levelComboBox.Visible = true;
LevelPanel.Visible = true;
tilesPictureBox.Visible = true;
objectPictureBox.Visible = true;
}
else
{
MessageBox.Show("Please select a valid WarioLand 1 rom", Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}