void RemoveDetour(DWORD address)
{
CAutoLock Lock(&gDetourCS);
DebugSpew("RemoveDetour(%X)",address);
OurDetours *detour = ourdetours;
while (detour)
{
if (detour->addr==address)
{
if (detour->pfDetour)
{
DetourRemove(detour->pfTrampoline,
detour->pfDetour);
}
if (detour->pLast)
detour->pLast->pNext=detour->pNext;
else
ourdetours=detour->pNext;
if (detour->pNext)
detour->pNext->pLast=detour->pLast;
delete detour;
DebugSpew("Detour removed.");
return;
}
detour=detour->pNext;
}
DebugSpew("Detour not found in RemoveDetour()");
}
VOID ClickMouseLoc(PCHAR szMouseLoc, PCHAR szButton)
{
CHAR szArg1[MAX_STRING] = {0};
CHAR szArg2[MAX_STRING] = {0};
int ClickX; //actual location to click, calculated from ButtonX
int ClickY; //actual location to click, calculated from ButtonY
// determine mouse location - x and y given
if ((szMouseLoc[0]=='+') || (szMouseLoc[0]=='-') || ((szMouseLoc[0]>='0') && (szMouseLoc[0]<='9')))
{ // x and y were given so lets convert them and move mouse
GetArg(szArg1,szMouseLoc,1);
GetArg(szArg2,szMouseLoc,2);
ClickX = atoi(szArg1);
ClickY = atoi(szArg2);
if ((szArg1[0]=='+') || (szArg1[0]=='-') || (szArg2[0]=='+') || (szArg2[0]=='-'))
{ // relative location was passed so offset from current
ClickX += EQADDR_MOUSE->X;
ClickY += EQADDR_MOUSE->Y;
DebugSpew("Clicking mouse by relative offset");
} else {
DebugSpew("Clicking mouse at absolute position");
}
MouseButtonUp(ClickX,ClickY,szButton);
}
else
{
MacroError("'%s' mouse click is either invalid or should be done using /notify",szMouseLoc);
}
}
BOOL AddDetour(DWORD address, PBYTE pfDetour, PBYTE pfTrampoline, DWORD Count, PCHAR Name)
{
CAutoLock Lock(&gDetourCS);
CHAR szName[MAX_STRING] = { 0 };
if (Name && Name[0] != '\0') {
strcpy_s(szName, Name);
} else {
strcpy_s(szName, "Unknown");
}
BOOL Ret = TRUE;
DebugSpew("AddDetour(%s, 0x%X,0x%X,0x%X,0x%X)", szName, address, pfDetour, pfTrampoline, Count);
if (FindDetour(address))
{
DebugSpew("Address for %s (0x%x) already detoured.", szName, address);
return FALSE;
}
OurDetours *detour = new OurDetours;
strcpy_s(detour->Name, szName);
detour->addr = address;
detour->count = Count;
memcpy(detour->array, (char *)address, Count);
detour->pNext = ourdetours;
if (ourdetours)
ourdetours->pLast = detour;
detour->pLast = 0;
if (pfTrampoline) {
// its an indirect jump, likely due to incremental linking. The actual
// function body is at the other end of the jump. We need to follow it.
if (pfTrampoline[0] == 0xe9) {
pfTrampoline = pfTrampoline + *(DWORD*)&pfTrampoline[1] + 5;
}
if (pfTrampoline[0] && pfTrampoline[1]) {
DWORD oldperm = 0, tmp;
VirtualProtectEx(GetCurrentProcess(), (LPVOID)pfTrampoline, 2, PAGE_EXECUTE_READWRITE, &oldperm);
pfTrampoline[0] = 0x90;
pfTrampoline[1] = 0x90;
VirtualProtectEx(GetCurrentProcess(), (LPVOID)pfTrampoline, 2, oldperm, &tmp);
}
}
if (pfDetour && !DetourFunctionWithEmptyTrampoline(pfTrampoline, (PBYTE)address, pfDetour))
{
detour->pfDetour = 0;
detour->pfTrampoline = 0;
Ret = FALSE;
DebugSpew("Detour of %s failed.", szName);
}
else
{
detour->pfDetour = pfDetour;
detour->pfTrampoline = pfTrampoline;
DebugSpew("Detour of %s was successful.", szName);
}
ourdetours = detour;
return Ret;
}
int WndNotification(CXWnd *pWnd, unsigned int Message, void *unknown)
{
if (pWnd == (CXWnd*)InputBox) {
if (Message == XWM_HITENTER) {
char szBuffer[2048];
GetCXStr((PCXSTR)InputBox->InputText, szBuffer, 2047);
if (szBuffer[0]) {
OutputBox->AppendSTML(szBuffer);
SetCXStr(&InputBox->InputText, "");
pISInterface->ExecuteCommand(szBuffer);
}
((CXWnd*)InputBox)->ClrFocus();
}
else {
DebugSpew("InputBox message %Xh, value: %Xh",Message,unknown);
}
}
else if (pWnd == (CXWnd*)OutputBox) {
if (Message == XWM_NEWVALUE) {
SaveChatToXML((PCSIDLWND)MQChatWnd);
}
else {
DebugSpew("OutputBox message %Xh, value: %Xh", Message, unknown);
}
}
else if (pWnd == 0) {
if (Message == XWM_CLOSE) {
dShow = 1;
return 1;
}
} else if (Message == XWM_LINK) {
class CChatWindow *p = (class CChatWindow *)this;
if (OutputBox != (CStmlWnd *)pWnd) {
CStmlWnd *tmp;
int ret;
DebugSpew("MQ2ChatWnd: 0x%X, Msg: 0x%X, value: %Xh", pWnd, Message, unknown);
DebugSpew("MQ2ChatWnd: pWnd 0x%x != OutputBox 0x%x\n", pWnd, OutputBox);
tmp = OutputBox;
OutputBox = (CStmlWnd *)pWnd;
ret = p->WndNotification(pWnd, Message, unknown);
OutputBox = tmp;
return ret;
}
return p->WndNotification(pWnd, Message, unknown);
} else {
//DebugSpew("MQ2ChatWnd: 0x%X, Msg: 0x%X, value: %Xh",pWnd,Message,unknown);
}
return CSidlScreenWnd::WndNotification(pWnd,Message,unknown);
};
PLUGIN_API VOID SetGameState(DWORD GameState)
{
DebugSpew("MQ2ChatWnd::SetGameState()");
if (GameState==GAMESTATE_CHARSELECT)
{
if (bNoCharSelect)
{
// destroy chatwnd at charselect if NoCharSelect=on
DestroyChatWnd();
}
else
{
AddMQ2KeyBind("MQ2CSCHAT",DoMQ2ChatBind);
KeyCombo Combo;
ParseKeyCombo("/",Combo);
SetMQ2KeyBind("MQ2CSCHAT",FALSE,Combo);
}
}
else
{
if (GameState!=GAMESTATE_CHARCREATE) RemoveMQ2KeyBind("MQ2CSCHAT");
if (GameState==GAMESTATE_INGAME && !MQChatWnd)
{
// we entered the game, set up shop
DebugTry(CreateChatWindow());
}
}
}
BOOL RemoveCommand(PCHAR Command)
{
PMQCOMMAND pCommand=pCommands;
while(pCommand)
{
int Pos=strnicmp(Command,pCommand->Command,63);
if (Pos<0)
{
DebugSpew("RemoveCommand: Command not found '%s'",Command);
return 0;
}
if (Pos==0)
{
if (pCommand->pNext)
pCommand->pNext->pLast=pCommand->pLast;
if (pCommand->pLast)
pCommand->pLast->pNext=pCommand->pNext;
else
pCommands=pCommand->pNext;
delete pCommand;
return 1;
}
pCommand=pCommand->pNext;
}
return 0;
}
// CMD_EQModKey
int CMD_EQModKey(int argc, char *argv[])
{
CHAR chCommand[2048] = {0};
bool KeyboardFlags[4] = {false,false,false,false};
if (argc<1)
{
WriteChatf("Usage: %s <command>", argv[0]);
return 0;
}
pISInterface->GetArgs(1,argc,argv,chCommand,sizeof(chCommand));
*(DWORD*)&KeyboardFlags=*(DWORD*)&((PCXWNDMGR)pWndMgr)->KeyboardFlags;
if (!stricmp(argv[0],"nomodkey"))
*(DWORD*)&((PCXWNDMGR)pWndMgr)->KeyboardFlags=0;
else if (!stricmp(argv[0],"shift"))
((PCXWNDMGR)pWndMgr)->KeyboardFlags[0]=1;
else if (!stricmp(argv[0],"ctrl"))
((PCXWNDMGR)pWndMgr)->KeyboardFlags[1]=1;
else if (!stricmp(argv[0],"alt"))
((PCXWNDMGR)pWndMgr)->KeyboardFlags[2]=1;
DebugSpew("CMD_EQModKey Executing %s", chCommand);
pISInterface->ExecuteCommand(chCommand);
*(DWORD*)&((PCXWNDMGR)pWndMgr)->KeyboardFlags=*(DWORD*)&KeyboardFlags;
return 0;
}
// ***************************************************************************
// Function: ParseMouseLoc
// Description: Parses mouseloc for /click and /mouseto
// ***************************************************************************
//Function used by ParseLocationXML to extract parameter
// ExtractValue - gets value between specified start and end markers
// - Parameters:
// szFile - pointer to string to look in
// szStart - pointer to string to mark start of value
// szEnd - pointer to string to mark end of value
// szValue - pointer to string to contain the value found
// - Return Value:
// if successful, return TRUE, szValue contains the value between the start and end markers
// if unsuccessful, return FALSE
BOOL ExtractValue(PCHAR szFile, PCHAR szStart, PCHAR szEnd, PCHAR szValue)
{
// verify we have legal pointers passed to us
if (!szValue)
return FALSE;
if (!szFile || !szStart || !szEnd)
{
szValue[0] = 0;
return FALSE;
}
PCHAR sub,sub2,fence;
DWORD lenStart = strlen(szStart);
fence = strstr(szFile,"ScreenID"); // needed to make sure we don't start into another element
sub = strstr(szFile, szStart);
sub2 = strstr(szFile, szEnd);
if (!sub || !sub2 || (fence && (sub > fence))) {
szValue[0] = 0;
return FALSE;
}
memcpy(szValue,sub + lenStart, (sub2-sub) - lenStart);
szValue[(sub2-sub) - lenStart] = 0;
DebugSpew("Value extracted for %s was %s",szStart,szValue);
return TRUE;
}
BOOL UnloadMQ2Plugin(const PCHAR pszFilename)
{
DebugSpew("UnloadMQ2Plugin");
CHAR Filename[MAX_PATH]={0};
strcpy_s(Filename,pszFilename);
_strlwr_s(Filename);
PCHAR Temp=strstr(Filename,".dll");
if (Temp)
Temp[0]=0;
// find plugin in list
CAutoLock Lock(&gPluginCS);
//work in progress, move on, nothing to see here need to test this, but they keep patching on me...
//well after messing with this for a while, I realized I couldn't bypass it by just deleting the registry key
//need to check if we can just bypass the GetprocAddress hook and call the nt version which isnt hooked by the shim engine...
/*if (pLdrGetProcedureAddress = (fLdrGetProcedureAddress)GetProcAddress(GetModuleHandle("ntdll.dll"), "LdrGetProcedureAddress")) {
if (HMODULE h = GetModuleHandle("Kernel32.dll")) {
CHAR szFreeLib[32] = { 0 };
strcpy_s(szFreeLib, "FreeLibrary");
FAKEGPSTRING as = { 0 };
as.Buffer = szFreeLib;
as.Length = 11;
as.MaximumLength = 11;
DWORD addr = 0;
BOOL ret = pLdrGetProcedureAddress(h, &as, NULL, (PVOID)&pFreeLibrary);
Sleep(0);
//pFreeLibrary = (fFreeLibrary)addr;
}
}*/
PMQPLUGIN pPlugin=pPlugins;
while(pPlugin)
{
if (!_stricmp(Filename,pPlugin->szFilename))
{
if (pPlugin->pLast)
pPlugin->pLast->pNext=pPlugin->pNext;
else
pPlugins=pPlugin->pNext;
if (pPlugin->pNext)
pPlugin->pNext->pLast=pPlugin->pLast;
if (pPlugin->CleanUI)
pPlugin->CleanUI();
if (pPlugin->Shutdown)
pPlugin->Shutdown();
//DeleteLayers(pPlugin);
if (pFreeLibrary)
pFreeLibrary(pPlugin->hModule);
else
FreeLibrary(pPlugin->hModule);
delete pPlugin;
return 1;
}
pPlugin=pPlugin->pNext;
}
return 0;
}
void AddDetourf(DWORD address, ...)
{
va_list marker;
int i = 0;
va_start(marker, address);
DWORD Parameters[4] = { 0 };
DWORD nParameters = 0;
while (i != -1)
{
if (nParameters<4)
{
Parameters[nParameters] = i;
nParameters++;
} else {
//we can break out now...
break;
}
i = va_arg(marker, int);
}
va_end(marker);
if (nParameters == 4)
{
AddDetour(address, (PBYTE)Parameters[1], (PBYTE)Parameters[2], 20,(PCHAR)Parameters[3]);
}
else
{
DebugSpew("Illegal AddDetourf call");
}
}
void AddDetourf(DWORD address, ...)
{
va_list marker;
int i=0;
va_start(marker, address);
DWORD Parameters[3];
DWORD nParameters=0;
while (i!=-1)
{
if (nParameters<3)
{
Parameters[nParameters]=i;
nParameters++;
}
i = va_arg(marker,int);
}
va_end(marker);
if (nParameters==3)
{
AddDetour(address,(PBYTE)Parameters[1],(PBYTE)Parameters[2],20);
}
else
{
DebugSpew("Illegal AddDetourf call");
}
}
VOID WriteChatColor(PCHAR Line, DWORD Color, DWORD Filter)
{
if (!bPluginCS)
return;
if (gFilterMQ)
return;
PluginDebug("Begin WriteChatColor()");
EnterMQ2Benchmark(bmWriteChatColor);
if(size_t len = strlen(Line)) {
if(char *PlainText = (char*)LocalAlloc(LPTR,len+1)) {
StripMQChat(Line,PlainText);
CheckChatForEvent(PlainText);
LocalFree(PlainText);
}
DebugSpew("WriteChatColor(%s)",Line);
}
CAutoLock Lock(&gPluginCS);
PMQPLUGIN pPlugin=pPlugins;
while(pPlugin)
{
if (pPlugin->WriteChatColor)
{
pPlugin->WriteChatColor(Line,Color,Filter);
}
pPlugin=pPlugin->pNext;
}
ExitMQ2Benchmark(bmWriteChatColor);
}
void AddAlias(PCHAR ShortCommand, PCHAR LongCommand)
{
std::string sName = ShortCommand;
std::transform(sName.begin(), sName.end(), sName.begin(), tolower);
DebugSpew("AddAlias(%s,%s)",sName.c_str(),LongCommand);
mAliases[sName] = LongCommand;
}
int is_3dON_Detour()
{
if(!this)
{
DebugSpew("MQ2EQBugFix::Crash avoided!");
return 0;
}
return is_3dON_Trampoline();
}
void InitializeMQ2Pulse()
{
DebugSpew("Initializing Pulse");
InitializeCriticalSection(&gPulseCS);
EzDetour(ProcessGameEvents, Detour_ProcessGameEvents, Trampoline_ProcessGameEvents);
EzDetour(CEverQuest__EnterZone, &CEverQuestHook::EnterZone_Detour, &CEverQuestHook::EnterZone_Trampoline);
EzDetour(CEverQuest__SetGameState, &CEverQuestHook::SetGameState_Detour, &CEverQuestHook::SetGameState_Trampoline);
}
VOID UnloadMQ2Plugins()
{
CAutoLock Lock(&gPluginCS);
while(pPlugins)
{
DebugSpew("%s->Unload()",pPlugins->szFilename);
UnloadMQ2Plugin(pPlugins->szFilename);
}
}
void RemoveOurDetours()
{
CAutoLock Lock(&gDetourCS);
DebugSpew("RemoveOurDetours()");
if (!ourdetours)
return;
while (ourdetours)
{
if (ourdetours->pfDetour)
{
DebugSpew("RemoveOurDetours() -- Removing %s (%X)", ourdetours->Name, ourdetours->addr);
DetourRemove(ourdetours->pfTrampoline, ourdetours->pfDetour);
}
OurDetours *pNext = ourdetours->pNext;
delete ourdetours;
ourdetours = pNext;
}
}
void InitializeMQ2Pulse()
{
DebugSpew("Initializing Pulse");
if (!ghLockDelayCommand)
ghLockDelayCommand = CreateMutex(NULL, FALSE, NULL);
InitializeCriticalSection(&gPulseCS);
EzDetourwName(ProcessGameEvents, Detour_ProcessGameEvents, Trampoline_ProcessGameEvents,"ProcessGameEvents");
EzDetourwName(CEverQuest__EnterZone, &CEverQuestHook::EnterZone_Detour, &CEverQuestHook::EnterZone_Trampoline,"CEverQuest__EnterZone");
EzDetourwName(CEverQuest__SetGameState, &CEverQuestHook::SetGameState_Detour, &CEverQuestHook::SetGameState_Trampoline,"CEverQuest__SetGameState");
EzDetourwName(CTargetWnd__RefreshTargetBuffs, &CEverQuestHook::CTargetWnd__RefreshTargetBuffs_Detour, &CEverQuestHook::CTargetWnd__RefreshTargetBuffs_Trampoline,"CTargetWnd__RefreshTargetBuffs");
}
double DoMul(double op1, double op2)
{
char szResult[32];
CalcInterface cp;
cp<<op1<<"*"<<op2<<"=";
cp.Execute(szResult);
DebugSpew("DoAdd %f * %f = %s", op1, op2, szResult);
return atof(szResult);
}
VOID PluginsAddGroundItem(PGROUNDITEM pNewGroundItem)
{
if (!pNewGroundItem) {
DebugSpew("PluginsAddGroundItem was NULL");
return;
}
PluginDebug("PluginsAddGroundItem()");
if (!bPluginCS)
return;
CAutoLock Lock(&gPluginCS);
PMQPLUGIN pPlugin=pPlugins;
DebugSpew("PluginsAddGroundItem(%s) %.1f,%.1f,%.1f",pNewGroundItem->Name,pNewGroundItem->X,pNewGroundItem->Y,pNewGroundItem->Z);
while(pPlugin)
{
if (pPlugin->AddGroundItem)
{
pPlugin->AddGroundItem(pNewGroundItem);
}
pPlugin=pPlugin->pNext;
}
}
VOID InitializeMQ2Plugins()
{
DebugSpew("Initializing plugins");
bmWriteChatColor=AddMQ2Benchmark("WriteChatColor");
bmPluginsIncomingChat=AddMQ2Benchmark("PluginsIncomingChat");
bmPluginsPulse=AddMQ2Benchmark("PluginsPulse");
bmPluginsOnZoned=AddMQ2Benchmark("PluginsOnZoned");
bmPluginsCleanUI=AddMQ2Benchmark("PluginsCleanUI");
bmPluginsReloadUI=AddMQ2Benchmark("PluginsReloadUI");
bmPluginsDrawHUD=AddMQ2Benchmark("PluginsDrawHUD");
bmPluginsSetGameState=AddMQ2Benchmark("PluginsSetGameState");
bmCalculate=AddMQ2Benchmark("Calculate");
bmBeginZone=AddMQ2Benchmark("BeginZone");
bmEndZone=AddMQ2Benchmark("EndZone");
bPluginCS=1;
CHAR PluginList[MAX_STRING*10] = {0};
CHAR szBuffer[MAX_STRING] = {0};
CHAR MainINI[MAX_STRING] = {0};
sprintf_s(MainINI,"%s\\macroquest.ini",gszINIPath);
GetPrivateProfileString("Plugins",NULL,"",PluginList,MAX_STRING*10,MainINI);
PCHAR pPluginList = PluginList;
BOOL loadvalue = 0;
while (pPluginList[0]!=0) {
GetPrivateProfileString("Plugins",pPluginList,"",szBuffer,MAX_STRING,MainINI);
if (IsNumber(szBuffer)) {
loadvalue=atoi(szBuffer);
szBuffer[0] = '\0';
}
if(loadvalue==1 || szBuffer[0]!=0) {
LoadMQ2Plugin(pPluginList);
}
pPluginList+=strlen(pPluginList)+1;
}
//ok now check if user has a CustomPlugin.ini and load those as well...
sprintf_s(MainINI,"%s\\CustomPlugins.ini",gszINIPath);
GetPrivateProfileString("Plugins",NULL,"",PluginList,MAX_STRING*10,MainINI);
pPluginList = PluginList;
while (pPluginList[0]!=0) {
GetPrivateProfileString("Plugins",pPluginList,"",szBuffer,MAX_STRING,MainINI);
if (IsNumber(szBuffer)) {
loadvalue=atoi(szBuffer);
szBuffer[0] = '\0';
}
if(loadvalue==1 || szBuffer[0]!=0) {
LoadMQ2Plugin(pPluginList,1);
}
pPluginList+=strlen(pPluginList)+1;
}
}
void CreateChatWindow()
{
DebugSpew("MQ2ChatWnd::CreateChatWindow()");
if (MQChatWnd) {
return;
}
MQChatWnd = new CMQChatWnd();
if (!MQChatWnd) {
return;
}
LoadChatFromXML((PCSIDLWND)MQChatWnd);
// SaveChatToXML((PCSIDLWND)MQChatWnd); // A) we're masochists, B) this creates the file if its not there..
}
void AddAlias(PCHAR ShortCommand, PCHAR LongCommand)
{
DebugSpew("AddAlias(%s,%s)",ShortCommand,LongCommand);
// perform insertion sort
if (!pAliases)
{
PALIAS pAlias=new ALIAS;
memset(pAlias,0,sizeof(ALIAS));
strcpy(pAlias->szName,ShortCommand);
strcpy(pAlias->szCommand,LongCommand);
pAliases=pAlias;
return;
}
PALIAS pInsert=pAliases;
PALIAS pLast=0;
while(pInsert)
{
int Pos=stricmp(ShortCommand,pInsert->szName);
if (Pos<0)
{
// insert here.
PALIAS pAlias=new ALIAS;
memset(pAlias,0,sizeof(ALIAS));
strcpy(pAlias->szName,ShortCommand);
strcpy(pAlias->szCommand,LongCommand);
if (pLast)
pLast->pNext=pAlias;
else
pAliases=pAlias;
pAlias->pLast=pLast;
pInsert->pLast=pAlias;
pAlias->pNext=pInsert;
return;
}
if (Pos==0)
{
strcpy(pInsert->szName,ShortCommand);
strcpy(pInsert->szCommand,LongCommand);
return;
}
pLast=pInsert;
pInsert=pInsert->pNext;
}
// End of list
PALIAS pAlias=new ALIAS;
memset(pAlias,0,sizeof(ALIAS));
strcpy(pAlias->szName,ShortCommand);
strcpy(pAlias->szCommand,LongCommand);
pLast->pNext=pAlias;
pAlias->pLast=pLast;
}
void AddSubstitute(PCHAR Original, PCHAR Substitution)
{
DebugSpew("AddSubstitute(%s,%s)",Original,Substitution);
// perform insertion sort
if (!pSubs)
{
PSUB pSub=new SUB;
memset(pSub,0,sizeof(SUB));
strcpy(pSub->szOrig,Original);
strcpy(pSub->szSub,Substitution);
pSubs=pSub;
return;
}
PSUB pInsert=pSubs;
PSUB pLast=0;
while(pInsert)
{
int Pos=stricmp(Original,pInsert->szOrig);
if (Pos<0)
{
// insert here.
PSUB pSub=new SUB;
memset(pSub,0,sizeof(SUB));
strcpy(pSub->szOrig,Original);
strcpy(pSub->szSub,Substitution);
if (pLast)
pLast->pNext=pSub;
else
pSubs=pSub;
pSub->pLast=pLast;
pInsert->pLast=pSub;
pSub->pNext=pInsert;
return;
}
if (Pos==0)
{
strcpy(pInsert->szOrig,Original);
strcpy(pInsert->szSub,Substitution);
return;
}
pLast=pInsert;
pInsert=pInsert->pNext;
}
// End of list
PSUB pSub=new SUB;
memset(pSub,0,sizeof(SUB));
strcpy(pSub->szOrig,Original);
strcpy(pSub->szSub,Substitution);
pLast->pNext=pSub;
pSub->pLast=pLast;
}
void RemoveDetour(DWORD address)
{
CAutoLock Lock(&gDetourCS);
OurDetours *detour = ourdetours;
while (detour)
{
if (detour->addr == address)
{
if (detour->pfDetour)
{
DebugSpew("DetourRemove %s (%X)", detour->Name, ((DWORD)GetModuleHandle(NULL) - address + 0x400000));
DetourRemove(detour->pfTrampoline, detour->pfDetour);
//sometimes its useful to add and then remove a detour and then add it again... and so on...
//the following 2 lines fixes a detours "bug"
//I don't know if this was MS intention
//but if we don't set these to nop
//we cant detour the same function more than once. -eqmule
//so dont remove these.
DWORD oldperm = 0,tmp;
VirtualProtectEx(GetCurrentProcess(), (LPVOID)detour->pfTrampoline, 2, PAGE_EXECUTE_READWRITE, &oldperm);
detour->pfTrampoline[0] = 0x90;
detour->pfTrampoline[1] = 0x90;
VirtualProtectEx(GetCurrentProcess(), (LPVOID)detour->pfTrampoline, 2, oldperm, &tmp);
}
if (detour->pLast)
detour->pLast->pNext = detour->pNext;
else
ourdetours = detour->pNext;
if (detour->pNext)
detour->pNext->pLast = detour->pLast;
delete detour;
return;
}
detour = detour->pNext;
}
DebugSpew("Detour for %x not found in RemoveDetour()",((DWORD)GetModuleHandle(NULL) - address + 0x400000));
}
VOID ShutdownMQ2Plugins()
{
bPluginCS=0;
{
CAutoLock Lock(&gPluginCS);
while(pPlugins)
{
DebugSpew("%s->Unload()",pPlugins->szFilename);
UnloadMQ2Plugin(pPlugins->szFilename);
}
}
Sleep(50); // fixes crash on Windows 7 (Vista too?) in RtlpWaitOnCriticalSection
DeleteCriticalSection(&gPluginCS);
}
void DeleteDetour(DWORD address)
{
CAutoLock Lock(&gDetourCS);
OurDetours *detour = ourdetours;
while (detour)
{
if (detour->addr == address)
{
DebugSpew("Deleted %s (%X)", detour->Name, ((DWORD)GetModuleHandle(NULL) - address + 0x400000));
if (detour->pLast)
detour->pLast->pNext = detour->pNext;
else
ourdetours = detour->pNext;
if (detour->pNext)
detour->pNext->pLast = detour->pLast;
delete detour;
return;
}
detour = detour->pNext;
}
DebugSpew("Failed Deleting (%X)", ((DWORD)GetModuleHandle(NULL) - address + 0x400000));
}
BOOL AddDetour(DWORD address, PBYTE pfDetour, PBYTE pfTrampoline, DWORD Count)
{
CAutoLock Lock(&gDetourCS);
BOOL Ret=TRUE;
DebugSpew("AddDetour(0x%X,0x%X,0x%X,0x%X)",address,pfDetour,pfTrampoline,Count);
if (FindDetour(address))
{
DebugSpew("Address 0x%x already detoured.",address);
return FALSE;
}
OurDetours *detour = new OurDetours;
detour->addr=address;
detour->count=Count;
memcpy(detour->array,(char *)address, Count);
detour->pNext=ourdetours;
if (ourdetours)
ourdetours->pLast=detour;
detour->pLast=0;
if (pfDetour && !DetourFunctionWithEmptyTrampoline(pfTrampoline,
(PBYTE)address,
pfDetour))
{
detour->pfDetour=0;
detour->pfTrampoline=0;
Ret=FALSE;
DebugSpew("Detour failed.");
}
else
{
detour->pfDetour=pfDetour;
detour->pfTrampoline=pfTrampoline;
DebugSpew("Detour success.");
}
ourdetours=detour;
return Ret;
}
VOID CreateChatWindow()
{
DebugSpew("MQ2ChatWnd::CreateChatWindow()");
if (MQChatWnd)
{
return;
}
class CXStr ChatWnd("ChatWindow");
MQChatWnd = new CMQChatWnd(&ChatWnd);
if (!MQChatWnd)
{
return;
}
LoadChatFromINI((PCSIDLWND)MQChatWnd);
SaveChatToINI((PCSIDLWND)MQChatWnd); // A) we're masochists, B) this creates the file if its not there..
}
VOID PluginsReloadUI()
{
PluginDebug("PluginsReloadUI()");
if (!bPluginCS)
return;
CAutoLock Lock(&gPluginCS);
PMQPLUGIN pPlugin=pPlugins;
while(pPlugin)
{
if (pPlugin->ReloadUI)
{
DebugSpew("%s->ReloadUI()",pPlugin->szFilename);
pPlugin->ReloadUI();
}
pPlugin=pPlugin->pNext;
}
}
