static void EditSettings(Process proc, CodeVersion version, Session session) { using (ProcessStream ps = new ProcessStream(proc)) { ps.Write(0xB8); // mov eax, bool ps.WriteInt(Settings.ShowErrors ? 1 : 0); ps.WriteNops(6); ps.Inject(version.ShowErrAddress); ps.Reset(); ps.Write(0xB8); // mov eax, bool ps.WriteInt(Settings.WindowedMode ? 1 : 0); ps.WriteNops(6); ps.Inject(version.WindowedAddress); ps.Reset(); ps.Write(0xB8); // mov eax, bool ps.WriteInt(Settings.DisableAudio ? 1 : 0); ps.WriteNops(6); ps.Inject(version.NoAudioAddress); // set mod folder ps.Reset(); ps.Write(0xB8); // mov eax, modNameAddress ps.WriteInt(string.Equals(session.ModName, "Default", StringComparison.OrdinalIgnoreCase) ? 0 : ps.AllocString(session.ModName + '\0')); ps.WriteNops(6); ps.Inject(version.ModAddress); } }
static void EditLoadGame(Process proc, CodeVersion version, Session session) { using (ProcessStream ps = new ProcessStream(proc)) { // load game ps.Write(0x68); // push file string ps.WriteInt(ps.AllocString(session.InputSaveGamePath, true, 2)); ps.Write(0xE8); // call load save game ps.WriteRelativeAddress(0xD88D2F); // correct stack ps.Write(0x83, 0xC4, 0x04); // add esp, 4 // call ori function ps.Write(0xE8); ps.WriteRelativeAddress(0x40F750); // jump back ps.Write(0xE9); ps.WriteRelativeAddress(version.StartGameAddress + 5); int hookAddress = ps.AllocInject(); ps.Reset(); ps.Write(0xE9); ps.WriteRelativeAddress(hookAddress); ps.Inject(version.StartGameAddress); } }
static void EditFinishedLoading(Process proc, CodeVersion version, Session session) { // set control to player faction using (ProcessStream ps = new ProcessStream(proc)) { // ori code ps.Write(0xE8); ps.WriteRelativeAddress(0x8C0750); // control faction ps.Write(0x51); // push ecx if (session.GetLastPlayedFaction() != null) { ps.Write(0xA1); // mov eax, [029219D8] ps.WriteInt(0x029219D8); ps.Write(0xC7, 0x00); // mov [eax], lastIndex ps.WriteInt(session.SwitchIndex(session.GetLastPlayedFaction().Index) - 1); } ps.Write(0x6A, 0x00); // (push pointer 0xFFFF) // just push 0 ps.Write(0x68); // push command string ps.WriteInt(ps.AllocString("control " + session.GetCurrentFaction().Name)); ps.Write(0xB9, 0x88, 0xB6, 0x94, 0x02); // mov ecx, offset 0x0294B688 ps.Write(0xE8); // call command interpreter ps.WriteRelativeAddress(0xDE1718); ps.Write(0x59); // pop ecx ps.Write(0xE9); ps.WriteRelativeAddress(version.FinishedLoadingAddress + 5); int hookAddress = ps.AllocInject(); ps.Reset(); ps.Write(0xE9); ps.WriteRelativeAddress(hookAddress); ps.Inject(version.FinishedLoadingAddress); } }
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); } }