static void EditFactionTurnStart(Process proc, CodeVersion version, Session session)
{
proc.Write(version.ControlFactionSelfCheckAddress, 0xEB); // make control faction ignore whether we're officially already that faction
using (ProcessStream ps = new ProcessStream(proc))
{
// check current faction id
ps.Write(0x51); // push ecx
ps.Write(0x8B, 0x0D); // mov ecx, [018CD818]
ps.WriteInt(0x018CD818);
ps.Write(0x8B, 0x81); // mov eax, [ecx+230]
ps.WriteInt(0x230); // current faction id
int nextIndex = session.SwitchIndex(session.GetCurrentFaction().Index) - 1;
if (session.GetLastPlayedFaction() == null)
{
ps.Write(0x83, 0xF8, (byte)nextIndex); // cmp eax, nextIndex
ps.Write(0x74); // je to hook exit
ps.WriteByteDistance("hookexit");
}
else
{
int lastIndex = session.SwitchIndex(session.GetLastPlayedFaction().Index) - 1;
if (lastIndex == nextIndex)
{
nextIndex += 2;
if (session.GetModFolder().GetFaction((byte)nextIndex) == null)
{
nextIndex = 1;
}
//if (currentIndex == nextIndex) do nothing;
ps.Write(0x83, 0xF8, (byte)(nextIndex - 1)); // cmp eax, nextIndex
ps.Write(0x75); // jne to hook exit
ps.WriteByteDistance("hookexit");
}
else if (lastIndex < nextIndex)
{
//if (currentIndex <= nextIndex && currentIndex > lastIndex) do nothing;
ps.Write(0x83, 0xF8, (byte)nextIndex); // cmp eax, nextIndex
ps.Write(0x77); // ja to save & quit
ps.WriteByteDistance("savequit");
ps.Write(0x83, 0xF8, (byte)lastIndex); // cmp eax, lastIndex
ps.Write(0x77); // ja to hook exit
ps.WriteByteDistance("hookexit");
}
else if (lastIndex > nextIndex)
{
//if (currentIndex <= nextIndex || currentIndex > lastIndex) do nothing;
ps.Write(0x83, 0xF8, (byte)nextIndex); // cmp eax, nextIndex
ps.Write(0x76); // jna to hookexit
ps.WriteByteDistance("hookexit");
ps.Write(0x83, 0xF8, (byte)lastIndex); // cmp eax, lastIndex
ps.Write(0x77); // ja to hook exit
ps.WriteByteDistance("hookexit");
}
ps.AddByteDistance("savequit");
}
// save game
ps.Write(0x6A, 0x00); // push 0
ps.Write(0x68); // push file path string
ps.WriteInt(ps.AllocString(session.OutputSaveGamePath, true, 2));
ps.Write(0x8B, 0x0D, 0x28, 0xD8, 0x8C, 0x01); // mov ecx, [018CD828]
ps.Write(0xE8); // call save
ps.WriteRelativeAddress(0x420FB9);
// close game
//ps.Write(0xC6, 0x05); // mov [12CB8EC], 1 // quit, does not exit reliable between turns ????
//ps.WriteInt(0x12CB8EC);
//ps.Write(0x01);
ps.Write(0x6A, 0x00); // push 0
ps.Write(0xE8); // call exit, simply kills the process // bad
ps.WriteRelativeAddress(0xFC5603);
// hook exit
ps.AddByteDistance("hookexit");
ps.Write(0x59); // pop ecx
//ps.Write(0x5F, 0x5E, 0x5B, 0xC9, 0xC3);
// ori code
ps.Write(0xE8);
ps.WriteRelativeAddress(0x8AAE20);
ps.Write(0xE9); // jmp back
ps.WriteRelativeAddress(version.BetweenFactionTurnsAddress + 5);
int hookAddr = ps.AllocInject();
//
// Jmp to factionstarthook
//
ps.Reset();
ps.Write(0xE9);
ps.WriteRelativeAddress(hookAddr);
ps.Inject(version.BetweenFactionTurnsAddress);
}
}