private INitroROMBlock InitialiseDataForObject(LevelObject.Type type)
{
INitroROMBlock data = new INitroROMBlock();
data.m_Data = new byte[k_LevelObjTypeSizes[(int)type]]; //of zeros
return(data);
}
private INitroROMBlock InitialiseDataForObject(LevelObject.Type type, ushort id)
{
INitroROMBlock data = InitialiseDataForObject(type);
data.Write16(0, id);
return(data);
}
public void RemovePatch(NitroROM rom)
{
List <AddressDataPair> addressDataPairs = null;
switch (rom.m_Version)
{
case NitroROM.Version.EUR:
addressDataPairs = m_EURRestoreData;
break;
case NitroROM.Version.USA_v1:
addressDataPairs = m_USv1RestoreData;
break;
case NitroROM.Version.USA_v2:
addressDataPairs = m_USv2RestoreData;
break;
case NitroROM.Version.JAP:
addressDataPairs = m_JAPRestoreData;
break;
}
INitroROMBlock fileToPatch = null;
if (m_FileToPatch != null)
{
fileToPatch = Program.m_ROM.GetFileFromName(m_FileToPatch);
}
else if (m_OverlayID != null)
{
fileToPatch = new NitroOverlay(Program.m_ROM, uint.Parse(m_OverlayID));
}
foreach (AddressDataPair addressDataPair in addressDataPairs)
{
for (int i = 0; i < addressDataPair.m_Data.Length; i++)
{
if (fileToPatch == null)
{
rom.Write8(addressDataPair.m_Address + (uint)i, addressDataPair.m_Data[i]);
}
else
{
fileToPatch.Write8(addressDataPair.m_Address + (uint)i, addressDataPair.m_Data[i]);
}
}
}
if (fileToPatch != null)
{
fileToPatch.SaveChanges();
}
}
public static List <AddressDataPair> GenerateRestoreData(List <AddressDataPair> patchData, string fileName = null, string overlayID = null)
{
List <AddressDataPair> restoreDataList = new List <AddressDataPair>();
INitroROMBlock fileToPatch = null;
if (fileName != null)
{
fileToPatch = Program.m_ROM.GetFileFromName(fileName);
}
else if (overlayID != null)
{
fileToPatch = new NitroOverlay(Program.m_ROM, uint.Parse(overlayID));
}
foreach (AddressDataPair addressDataPair in patchData)
{
AddressDataPair restoreData = new AddressDataPair();
restoreData.m_Address = addressDataPair.m_Address;
List <byte> data = new List <byte>();
for (int i = 0; i < addressDataPair.m_Data.Length; i++)
{
if (fileToPatch == null)
{
if (Program.m_IsROMFolder)
{
Program.m_ROM.arm9R.BaseStream.Position = addressDataPair.m_Address + (uint)i - Program.m_ROM.headerSize;
data.Add(Program.m_ROM.arm9R.ReadByte());
}
else
{
data.Add(Program.m_ROM.Read8(addressDataPair.m_Address + (uint)i));
}
}
else
{
data.Add(fileToPatch.Read8(addressDataPair.m_Address + (uint)i));
}
}
restoreData.m_Data = data.ToArray();
restoreDataList.Add(restoreData);
}
return(restoreDataList);
}
private void ReadObjectTable(NitroOverlay ovl, uint offset, int area)
{
uint subtbl_num = ovl.Read32(offset);
uint subtbl_offset = ovl.ReadPointer(offset + 0x4);
for (uint st = 0; st < subtbl_num; st++)
{
uint curoffset = subtbl_offset + (st * 8);
byte flags = ovl.Read8(curoffset);
byte entries_num = ovl.Read8(curoffset + 0x1);
uint entries_offset = ovl.ReadPointer(curoffset + 0x4);
byte type = (byte)(flags & 0x1F);
byte layer = (byte)(flags >> 5);
if (type == 11)
{
m_MinimapFileIDs = new ushort[entries_num];
}
for (byte e = 0; e < entries_num; ++e)
{
LevelObject obj;
INitroROMBlock objData = new INitroROMBlock();
objData.m_Data = ovl.ReadBlock((uint)(entries_offset + e * k_LevelObjTypeSizes[type]), (uint)k_LevelObjTypeSizes[type]);
switch (type)
{
case 0:
obj = new StandardObject(objData, m_LevelObjects.Count, layer, area);
break;
case 1:
obj = new EntranceObject(objData, m_LevelObjects.Count, layer, m_EntranceID++);
break;
case 2: // Path Node
obj = new PathPointObject(objData, m_LevelObjects.Count, m_PathNodeID++);
break;
case 3: // Path
obj = new PathObject(objData, m_LevelObjects.Count, (ushort)m_PathID++);
break;
case 4:
obj = new ViewObject(objData, m_LevelObjects.Count, m_ViewID++);
break;
case 5:
obj = new SimpleObject(objData, m_LevelObjects.Count, layer, area);
break;
case 6:
obj = new TpSrcObject(objData, m_LevelObjects.Count, layer);
break;
case 7:
obj = new TpDstObject(objData, m_LevelObjects.Count, layer);
break;
case 8:
// Fog
obj = new FogObject(objData, m_LevelObjects.Count, layer, area);
break;
case 9:
obj = new DoorObject(objData, m_LevelObjects.Count, layer);
break;
case 10:
obj = new ExitObject(objData, m_LevelObjects.Count, layer);
break;
case 11:
obj = new MinimapTileIDObject(objData, m_LevelObjects.Count, layer, m_MinimapTileIDNum++);
// This is still used by Minimap Editor
m_MinimapFileIDs[e] = ovl.Read16((uint)(entries_offset + (e * 2)));
break;
case 12:
// per-area minimap scale factors
obj = new MinimapScaleObject(objData, m_LevelObjects.Count, layer, area);
break;
case 14:
// ??? Unknown
obj = new Type14Object(objData, m_LevelObjects.Count, layer, area);
break;
default:
throw new InvalidDataException("Bad object type: " + type);
}
m_LevelObjects.Add(obj.m_UniqueID, obj);
}
}
}
public void ApplyPatch(NitroROM rom)
{
Program.m_ROM.BeginRW();
List <AddressDataPair> addressDataPairs = null;
switch (rom.m_Version)
{
case NitroROM.Version.EUR:
addressDataPairs = m_EURPatch;
m_EURRestoreData = GenerateRestoreData(m_EURPatch);
break;
case NitroROM.Version.USA_v1:
addressDataPairs = m_USv1Patch;
m_USv1RestoreData = GenerateRestoreData(m_USv1Patch);
break;
case NitroROM.Version.USA_v2:
addressDataPairs = m_USv2Patch;
m_USv2RestoreData = GenerateRestoreData(m_USv2Patch);
break;
case NitroROM.Version.JAP:
addressDataPairs = m_JAPPatch;
m_JAPRestoreData = GenerateRestoreData(m_JAPPatch);
break;
}
if (m_DecompressAllOverlays)
{
Helper.DecompressOverlaysWithinGame();
}
if (m_FileToPatch != null)
{
NitroFile myFile = Program.m_ROM.GetFileFromName(m_FileToPatch);
foreach (AddressDataPair addressDataPair in addressDataPairs)
{
for (int i = 0; i < addressDataPair.m_Data.Length; i++)
{
myFile.Write8(addressDataPair.m_Address + (uint)i, addressDataPair.m_Data[i]);
}
}
Program.m_ROM.EndRW();
myFile.SaveChanges();
return;
}
INitroROMBlock fileToPatch = null;
if (m_FileToPatch != null)
{
fileToPatch = Program.m_ROM.GetFileFromName(m_FileToPatch);
}
else if (m_OverlayID != null)
{
fileToPatch = new NitroOverlay(Program.m_ROM, uint.Parse(m_OverlayID));
}
foreach (AddressDataPair addressDataPair in addressDataPairs)
{
for (int i = 0; i < addressDataPair.m_Data.Length; i++)
{
if (fileToPatch == null)
{
if (Program.m_IsROMFolder)
{
Program.m_ROM.arm9W.BaseStream.Position = addressDataPair.m_Address + (uint)i - Program.m_ROM.headerSize;
Program.m_ROM.arm9W.Write(addressDataPair.m_Data[i]);
}
else
{
rom.Write8(addressDataPair.m_Address + (uint)i, addressDataPair.m_Data[i]);
}
}
else
{
fileToPatch.Write8(addressDataPair.m_Address + (uint)i, addressDataPair.m_Data[i]);
}
}
}
Program.m_ROM.EndRW();
if (fileToPatch != null)
{
fileToPatch.SaveChanges();
}
}
/*
* This method takes the first Address and Data from the patch and tests if the current values in the
* ROM match the values of the patch - if they match the patch is already applied. This doesn't test
* all values to speed things up.
*/
public bool CheckIsApplied(NitroROM rom)
{
if (m_DecompressAllOverlays && Helper.CheckAllOverlaysDecompressed() == false)
{
m_IsApplied = false;
return(false);
}
INitroROMBlock fileToPatch = null;
if (m_FileToPatch != null)
{
fileToPatch = Program.m_ROM.GetFileFromName(m_FileToPatch);
}
else if (m_OverlayID != null)
{
fileToPatch = new NitroOverlay(Program.m_ROM, uint.Parse(m_OverlayID));
}
AddressDataPair testAddressDataPair = null;
switch (rom.m_Version)
{
case NitroROM.Version.EUR:
testAddressDataPair = (m_EURPatch.Count == 0) ? null : m_EURPatch.ElementAt(0);
break;
case NitroROM.Version.USA_v1:
testAddressDataPair = (m_USv1Patch.Count == 0) ? null : m_USv1Patch.ElementAt(0);
break;
case NitroROM.Version.USA_v2:
testAddressDataPair = (m_USv2Patch.Count == 0) ? null : m_USv2Patch.ElementAt(0);
break;
case NitroROM.Version.JAP:
testAddressDataPair = (m_JAPPatch.Count == 0) ? null : m_JAPPatch.ElementAt(0);
break;
}
if (testAddressDataPair == null || testAddressDataPair.m_Data == null || testAddressDataPair.m_Data.Length == 0)
{
m_IsApplied = false;
return(false);
}
for (int i = 0; i < testAddressDataPair.m_Data.Length; i++)
{
if (fileToPatch == null)
{
if (Program.m_IsROMFolder)
{
Program.m_ROM.arm9R.BaseStream.Position = testAddressDataPair.m_Address + (uint)i - Program.m_ROM.headerSize;
if (Program.m_ROM.arm9R.ReadByte() != testAddressDataPair.m_Data[i])
{
m_IsApplied = false;
return(false);
}
}
else
{
if (rom.Read8(testAddressDataPair.m_Address + (uint)i) != testAddressDataPair.m_Data[i])
{
m_IsApplied = false;
return(false);
}
}
}
else if (fileToPatch != null && fileToPatch.Read8(testAddressDataPair.m_Address + (uint)i) != testAddressDataPair.m_Data[i])
{
m_IsApplied = false;
return(false);
}
}
//If it reaches here, the patch has already been applied
m_IsApplied = true;
return(true);
}