static int trylock(const std::multimap<std::wstring, unsigned long long int> &pids) {
if (! initialize(pids, L"Wow.exe", L"WoW.exe"))
return false;
p_playerBase=getPlayerBase();
if (p_playerBase != 0) {
float apos[3], afront[3], atop[3], cpos[3], cfront[3], ctop[3];
std::string context;
std::wstring identity;
if (fetch(apos, afront, atop, cpos, cfront, ctop, context, identity))
return true;
}
generic_unlock();
return false;
}
static int trylock() {
h = NULL;
DWORD pid=getProcess(L"Wow.exe");
if (!pid)
return false;
h=OpenProcess(PROCESS_VM_READ, false, pid);
if (!h) {
#ifdef _DEBUG
DWORD dwError;
wchar_t errBuf[256];
dwError = GetLastError();
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, dwError, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)errBuf, sizeof(errBuf),NULL);
std::cout << "Error in OpenProcess: ";
std::wcout << errBuf << std::endl;
#endif
return false;
}
p_playerBase=getPlayerBase();
if (p_playerBase != 0) {
float apos[3], afront[3], atop[3], cpos[3], cfront[3], ctop[3];
std::string context;
std::wstring identity;
if (fetch(apos, afront, atop, cpos, cfront, ctop, context, identity)) {
return true;
}
}
CloseHandle(h);
h = NULL;
return false;
}
static int fetch(float *avatar_pos, float *avatar_front, float *avatar_top, float *camera_pos, float *camera_front, float *camera_top, std::string &context, std::wstring &identity) {
/* clear position */
for (int i=0; i<3; i++) {
avatar_pos[i]=avatar_front[i]=avatar_top[i]=camera_pos[i]=camera_front[i]=camera_top[i]=0.0;
}
/* are we still looking at the right object? */
uint64_t peekGUID, tempGUID;
peekGUID=getInt64(p_playerBase+0x30);
if (g_playerGUID != peekGUID) {
/* no? Try to resynch to the new address. Happens when walking through portals quickly (aka no or short loading screen) */
tempGUID = g_playerGUID;
p_playerBase=getPlayerBase();
if (tempGUID != g_playerGUID) {
/* GUID of actor changed, likely a character and/or realm change */
wow.refresh();
}
peekGUID=getInt64(p_playerBase+0x30);
if (g_playerGUID != peekGUID) {
/* no? we are still getting the expected GUID for our avatar, but we don't have it's current position */
return true;
}
}
context.clear();
std::wstringstream identityStream;
identityStream << wow.getNameAvatar();
identity = identityStream.str();
BOOL ok = true;
// Wow stores as
// North/South (+ North)
// East/West (+ West)
// Up/Down (+Up)
// ... which isn't a right-hand coordinate system.
float pos[3];
ok = ok && peekProc((BYTE *) p_playerBase + 0x798, pos, sizeof(float)*3);
if (! ok) {
if (g_playerGUID == 0xffffffffffffffff) {
return false;
} else if (g_playerGUID == 0) {
return true;
} else {
/* FIXME need a better way to mark PlayerBase invalid */
g_playerGUID=0;
return true; /* we got a good reference for an avatar, but no good position */
}
}
/* convert wow -> right hand coordinate system */
avatar_pos[0] = -pos[1];
avatar_pos[1] = pos[2];
avatar_pos[2] = pos[0];
float heading=0.0;
ok = ok && peekProc((BYTE *) p_playerBase + 0x7A8, &heading, sizeof(heading));
if (! ok)
return false;
float pitch=0.0;
ok = ok && peekProc((BYTE *) p_playerBase + 0x7AC, &pitch, sizeof(pitch));
if (! ok)
return false;
/* TODO use yaw (heading) and pitch angles */
/* FIXME sin/cos (heading) is right from the numbers, but (-heading) is right from the sound position */
avatar_front[0]=-sin(heading);
avatar_front[1]=0.0;
avatar_front[2]=cos(heading);
// Dummy top vector, can't tilt your head sideways in wow.
avatar_top[0]= 0.0;
avatar_top[1]= 1.0;
avatar_top[2]= 0.0;
getCamera(camera_pos, camera_front, camera_top);
if (! ok)
return false;
// printf("P %f %f %f -- %f %f %f \n", avatar_pos[0], avatar_pos[1], avatar_pos[2], avatar_front[0], avatar_front[1], avatar_front[2]);
// is it a unit length vector?
if (fabs((avatar_front[0]*avatar_front[0]+avatar_front[1]*avatar_front[1]+avatar_front[2]*avatar_front[2])-1.0)>0.5) {
// printf("F %f %f %f\n", front[0], front[1], front[2]);
return false;
}
// are we around 0/0/0
if ((fabs(avatar_pos[0])<0.1) && (fabs(avatar_pos[1])<0.1) && (fabs(avatar_pos[2])<0.1)) {
// printf("P %f %f %f\n", avatar_pos[0], avatar_pos[1], avatar_pos[2]);
return false;
}
return true;
}
