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https://github.com/jmarshall23/CnC_Remastered_Collection.git
synced 2026-08-18 17:14:13 +02:00
Added ddraw dll and sdl2.
This commit is contained in:
Justin Marshall
@@ -0,0 +1,299 @@
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#pragma comment(linker, "/EXPORT:DirectDrawCreate=_DirectDrawCreate@12")
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#include "DirectDrawWrapper.h"
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#include "resource.h"
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//#include "detours.h"
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#include <stdio.h>
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#include <math.h>
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// Main thread ddrawwrapper object
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IDirectDrawWrapper *lpDD = NULL;
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// Original setcursorpos function pointer
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static BOOL (WINAPI *TrueSetCursorPos)(int,int) = SetCursorPos;
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static HMODULE (WINAPI *TrueLoadLibraryA)(LPCSTR) = GetModuleHandleA;
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// Are we in the settings menu
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BOOL inMenu;
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// Dll start time
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DWORD start_time;
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// The level of debug to display
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int debugLevel;
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//debug display mode (-1 = none, 0 = console, 1 = file)
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int debugDisplay;
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//the debug file handle
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FILE *debugFile;
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// Dll hmodule
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HMODULE hMod;
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/* Helper function for throwing debug/error messages
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*
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* int level - Debug level
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* char *location - Message location
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* char *message - Message
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*/
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void debugMessage(int level, char *location, char *message)
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{
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// If above the current level then skip totally
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if(level > debugLevel) return;
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// Calculate HMS
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DWORD cur_time = GetTickCount() - start_time;
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long hours = (long)floor((double)cur_time / (double)3600000.0);
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cur_time -= (hours * 3600000);
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int minutes = (int)floor((double)cur_time / (double)60000.0);
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cur_time -= (minutes * 60000);
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double seconds = (double)cur_time / (double)1000.0;
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// Build error message
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char text[4096] = "\0";
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if(level == 0)
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{
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sprintf_s(text, 4096, "%d:%d:%#.1f ERR %s %s\n", hours, minutes, seconds, location, message);
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}
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else if(level == 1)
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{
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sprintf_s(text, 4096, "%d:%d:%#.1f WRN %s %s\n", hours, minutes, seconds, location, message);
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}
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else if(level == 2)
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{
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sprintf_s(text, 4096, "%d:%d:%#.1f INF %s %s\n", hours, minutes, seconds, location, message);
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}
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// Output and flush
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printf_s(text);
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fflush(stdout);
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}
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// Override function for cursor position
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BOOL WINAPI OverrideSetCursorPos(int X, int Y)
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{
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// If ddraw object exists and windowed mode
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if(lpDD != NULL && lpDD->isWindowed)
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{
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// X,Y are relative to client area within the code
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// Get client area location
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POINT cpos;
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cpos.x = 0;
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cpos.y = 0;
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ClientToScreen(lpDD->hWnd, &cpos);
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// Calculate correct cursor offset and move
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BOOL res = TrueSetCursorPos(cpos.x + X, cpos.y + Y);
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return res;
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}
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return TrueSetCursorPos(X, Y);
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}
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// Override function for load library
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/*HMODULE WINAPI OverrideLoadLibraryA(LPCSTR lpModuleName)
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{
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printf_s("%s\n", lpModuleName);
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return TrueLoadLibraryA(lpModuleName);
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}*/
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// Pretty standard winproc
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LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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switch (message)
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{
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// On syskey down
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case WM_SYSKEYDOWN:
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// ALT+ENTER trap keydown
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if (wParam == VK_RETURN)
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{
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return 0;
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}
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break;
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// On syskey up
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case WM_SYSKEYUP:
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// ALT+ENTER trap keyup
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if (wParam == VK_RETURN)
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{
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// If DDW exists
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if(lpDD != NULL)
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{
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lpDD->ToggleFullscreen();
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}
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return 0;
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}
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break;
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// On keydown
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case WM_KEYDOWN:
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// Overload printscreen(save a snapshot of the current screen
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if(wParam == VK_SNAPSHOT)
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{
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return 0;
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}
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// Always pass ~ to menu
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if(wParam == VK_OEM_3)
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{
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return 0;
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}
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// Everything gets passed if we are in the menu
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if(inMenu)
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{
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return 0;
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}
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break;
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// On keyup
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case WM_KEYUP:
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// Overload printscreen(save a snapshot of the current screen)
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if(!inMenu && wParam == VK_SNAPSHOT)
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{
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lpDD->DoSnapshot();
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return 0;
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}
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// Always pass ~ to menu
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if(wParam == VK_OEM_3)
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{
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// Pass to menu and set inMenu to result
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inMenu = lpDD->MenuKey(VK_OEM_3);
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return 0;
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}
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// Everything gets passed if we are in the menu
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if(inMenu)
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{
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// Pass to menu and set inMenu to result
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inMenu = lpDD->MenuKey(wParam);
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return 0;
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}
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break;
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// On destroy window
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case WM_DESTROY:
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// Restore the orignal window proc if we have it
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if(lpDD->lpPrevWndFunc != NULL)
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{
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SetWindowLong(hwnd, GWL_WNDPROC, (LONG)lpDD->lpPrevWndFunc);
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}
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break;
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}
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// Call original windiow proc by default
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return CallWindowProc(lpDD->lpPrevWndFunc, hwnd, message, wParam, lParam);
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}
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// Main dll entry
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BOOL APIENTRY DllMain( HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
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{
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LONG error;
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switch (ul_reason_for_call)
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{
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// Initial process attach
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case DLL_PROCESS_ATTACH:
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// Store module handle
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hMod = hModule;
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// Set default variables
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debugLevel = 0;
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debugDisplay = -1;
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// Set time start
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start_time = GetTickCount();
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// Not in menu to start
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inMenu = false;
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// Retrieve command line arguments
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LPWSTR *szArgList;
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int argCount;
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szArgList = CommandLineToArgvW(GetCommandLine(), &argCount);
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// If arguments
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if(szArgList != NULL)
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{
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for(int i = 0; i < argCount; i++)
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{
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// If debug
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if(wcscmp(szArgList[i], L"/ddrawdebug") == 0) {
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debugDisplay = 0;
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debugLevel = 2;
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// Create the debug console
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AllocConsole();
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// Redirect stdout to console
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freopen( "CONOUT$", "wb", stdout);
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break;
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}
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// If ddrawlog
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else if(wcscmp(szArgList[i], L"/ddrawlog") == 0) {
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debugDisplay = 1;
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debugLevel = 2;
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// Redireect stdout to file
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char curPath[MAX_PATH];
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char filename[MAX_PATH];
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GetCurrentDirectoryA(MAX_PATH, curPath);
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sprintf_s(filename, MAX_PATH, "%s\\ddraw_debug.log", curPath);
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freopen_s(&debugFile, filename, "wb", stdout);
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break;
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}
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}
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}
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LocalFree(szArgList);
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// Hook setcursorpos
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//DetourRestoreAfterWith();
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//DetourTransactionBegin();
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//DetourUpdateThread(GetCurrentThread());
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//DetourAttach(&(PVOID&)TrueSetCursorPos, OverrideSetCursorPos);
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////DetourAttach(&(PVOID&)TrueLoadLibraryA, OverrideLoadLibraryA);
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//error = DetourTransactionCommit();
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//if (error == NO_ERROR) {
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// debugMessage(2, "DllMain(DLL_PROCESS_ATTACH)", "Successfully detoured SetCursorPos");
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//}
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//else {
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// debugMessage(1, "DllMain(DLL_PROCESS_ATTACH)", "Failed to detour SetCursorPos");
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//}
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break;
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case DLL_THREAD_ATTACH:
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// Do nothing on thread attach
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break;
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case DLL_THREAD_DETACH:
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// Do nothing on thread detach
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break;
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case DLL_PROCESS_DETACH:
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// Delete DirectDrawWrapper object
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delete lpDD;
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// Detach function hook
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//DetourTransactionBegin();
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//DetourUpdateThread(GetCurrentThread());
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//DetourDetach(&(PVOID&)TrueSetCursorPos, OverrideSetCursorPos);
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//error = DetourTransactionCommit();
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//cleanup debug console or file if exists
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if(debugDisplay == 0)
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{
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FreeConsole();
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}
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else if(debugDisplay == 1)
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{
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fclose(debugFile);
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}
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break;
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}
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return TRUE;
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}
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// Emulated direct draw create
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extern HRESULT WINAPI DirectDrawCreate(GUID FAR* lpGUID, LPDIRECTDRAW FAR* lplpDD, IUnknown FAR* pUnkOuter)
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{
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// Create directdraw object
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lpDD = new IDirectDrawWrapper();
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if(lpDD == NULL)
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{
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debugMessage(0, "DirectDrawCreate", "Failed to create IDirectDrawWrapper.");
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return DDERR_OUTOFMEMORY; // Simulate OOM error
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}
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// Initialize the ddraw object with new wndproc
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HRESULT hr = lpDD->WrapperInitialize(&WndProc, hMod);
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// If error then return error(message will have been taken care of already)
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if(hr != DD_OK) return hr;
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// Set return pointer to the newly created DirectDrawWrapper interface
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*lplpDD = (LPDIRECTDRAW)lpDD;
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// Return success
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return DD_OK;
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}
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