/* Copyright (C) 2009-2010, Stefan Hacker Copyright (C) 2005-2010, Thorvald Natvig All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. - Neither the name of the Mumble Developers nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #define _USE_MATH_DEFINES #include #include #include #include #include #include "../mumble_plugin.h" HANDLE h = NULL; static DWORD getProcess(const wchar_t *exename) { PROCESSENTRY32 pe; DWORD pid = 0; pe.dwSize = sizeof(pe); HANDLE hSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0); if (hSnap != INVALID_HANDLE_VALUE) { BOOL ok = Process32First(hSnap, &pe); while (ok) { if (wcscmp(pe.szExeFile, exename)==0) { pid = pe.th32ProcessID; break; } ok = Process32Next(hSnap, &pe); } CloseHandle(hSnap); } return pid; } static bool peekProc(VOID *base, VOID *dest, SIZE_T len) { SIZE_T r; BOOL ok=ReadProcessMemory(h, base, dest, len, &r); return (ok && (r == len)); } static void about(HWND h) { ::MessageBox(h, L"Reads audio position information from cod2 (v 1.3)", L"Mumble cod2 Plugin", MB_OK); } 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) { float viewHor, viewVer; char state; 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] = 0.0f; bool ok; /* This plugin uses the following Variables: Address Type Description =================================== 0x01516608 float Z-Coordinate (=0 out-of-game) 0x0151660C float X-Coordinate (=0 out-of-game) 0x01516610 float Y-Coordinate (=0 out-of-game) 0x0151A114 float Horizontal view (degrees) (=0 out-of-game) 0x0151A110 float Vertical view (degrees) (=0 out-of-game) 0x0096B688 byte Magic value (0=ingame/out-of-game, 4=spectator) */ ok = peekProc((BYTE *) 0x0096B688, &state, 1); if (! ok) return false; if (state == 4) return true; // If this magic value is 4 we are spectating, so switch of PA ok = peekProc((BYTE *) 0x01516608, avatar_pos+2, 4) && //Z peekProc((BYTE *) 0x0151660C, avatar_pos, 4) && //X peekProc((BYTE *) 0x01516610, avatar_pos+1, 4) && //Y peekProc((BYTE *) 0x0151A114, &viewHor, 4) && //Hor peekProc((BYTE *) 0x0151A110, &viewVer, 4); //Ver if (! ok) return false; // Scale Coordinates /* Z-Value is increasing when heading north decreasing when heading south X-Value is increasing when heading west decreasing when heading east Y-Value is increasing when going up decreasing when going down 40 units = 1 meter (not confirmed) */ for (int i=0;i<3;i++) avatar_pos[i]/=40.0f; // Scale to meters avatar_pos[0]*=(-1.0f); // Convert right to left handed avatar_top[2] = -1; // Head movement is in front vector // Calculate view unit vector /* Vertical view 0 when centered 85 when looking down 275 when looking up Decreasing when looking up. Horizontal is 0 when facing North 90 when facing West 180 when facing South 270 when facing East Increasing when turning left. */ viewVer *= static_cast(M_PI / 180.0f); viewHor *= static_cast(M_PI / 180.0f); avatar_front[0] = -sin(viewHor) * cos(viewVer); avatar_front[1] = -sin(viewVer); avatar_front[2] = cos(viewHor) * cos(viewVer); return ok; } static int trylock() { h = NULL; DWORD pid=getProcess(L"CoD2MP_s.exe"); if (!pid) return false; h=OpenProcess(PROCESS_VM_READ, false, pid); if (!h) return false; 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 void unlock() { if (h) { CloseHandle(h); h = NULL; } } static const std::wstring longdesc() { return std::wstring(L"Supports Call of Duty 2 v1.3. No context or identity support yet."); } static std::wstring description(L"Call of Duty 2 v1.3"); static std::wstring shortname(L"Call of Duty 2"); static MumblePlugin cod2plug = { MUMBLE_PLUGIN_MAGIC, description, shortname, about, NULL, trylock, unlock, longdesc, fetch }; extern "C" __declspec(dllexport) MumblePlugin *getMumblePlugin() { return &cod2plug; }