160 lines
3.8 KiB
C++
160 lines
3.8 KiB
C++
/*
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Dervied from SDL_main.c, which was placed in the public domain by Sam Lantinga 4/13/98
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The WinMain function -- calls your program's main() function
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*/
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#include "G3D/platform.h"
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#ifdef G3D_WINDOWS
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#include <stdio.h>
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#include <stdlib.h>
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#include <cctype>
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#ifdef main
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# ifndef _WIN32_WCE_EMULATION
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# undef main
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# endif /* _WIN32_WCE_EMULATION */
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#endif /* main */
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#if defined(_WIN32_WCE) && _WIN32_WCE < 300
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/* seems to be undefined in Win CE although in online help */
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#define isspace(a) (((CHAR)a == ' ') || ((CHAR)a == '\t'))
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#endif /* _WIN32_WCE < 300 */
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// Turn off the G3D for loop scoping for C++
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#ifdef for
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# undef for
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#endif
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extern int main(int argc, const char** argv);
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/* Parse a command line buffer into arguments */
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static int ParseCommandLine(char *cmdline, char **argv) {
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char *bufp;
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int argc;
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argc = 0;
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for (bufp = cmdline; *bufp;) {
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/* Skip leading whitespace */
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while (isspace(*bufp)) {
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++bufp;
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}
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/* Skip over argument */
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if (*bufp == '"') {
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++bufp;
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if (*bufp) {
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if (argv) {
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argv[argc] = bufp;
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}
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++argc;
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}
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/* Skip over word */
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while (*bufp && (*bufp != '"')) {
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++bufp;
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}
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} else {
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if (*bufp) {
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if (argv) {
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argv[argc] = bufp;
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}
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++argc;
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}
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/* Skip over word */
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while (*bufp && !isspace(*bufp)) {
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++bufp;
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}
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}
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if (*bufp) {
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if (argv) {
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*bufp = '\0';
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}
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++bufp;
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}
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}
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if (argv) {
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argv[argc] = NULL;
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}
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return (argc);
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}
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/* Show an error message */
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static void ShowError(const char *title, const char *message) {
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/* If USE_MESSAGEBOX is defined, you need to link with user32.lib */
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#ifdef USE_MESSAGEBOX
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MessageBox(NULL, message, title, MB_ICONEXCLAMATION | MB_OK);
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#else
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fprintf(stderr, "%s: %s\n", title, message);
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#endif
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}
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/* Pop up an out of memory message, returns to Windows */
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static BOOL OutOfMemory(void) {
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ShowError("Fatal Error", "Out of memory - aborting");
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return FALSE;
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}
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int WINAPI G3D_WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw) {
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char **argv;
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int argc;
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int status;
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char *cmdline;
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# ifdef _WIN32_WCE
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wchar_t *bufp;
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int nLen;
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# else
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char *bufp;
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size_t nLen;
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# endif
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(void)sw;
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(void)szCmdLine;
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(void)hInst;
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(void)hPrev;
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#ifdef _WIN32_WCE
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#error WinCE not supported
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/*
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nLen = wcslen(szCmdLine) + 128 + 1;
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bufp = SDL_stack_alloc(wchar_t, nLen * 2);
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wcscpy(bufp, TEXT("\""));
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GetModuleFileName(NULL, bufp + 1, 128 - 3);
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wcscpy(bufp + wcslen(bufp), TEXT("\" "));
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wcsncpy(bufp + wcslen(bufp), szCmdLine, nLen - wcslen(bufp));
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nLen = wcslen(bufp) + 1;
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cmdline = SDL_stack_alloc(char, nLen);
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if (cmdline == NULL) {
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return OutOfMemory();
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}
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WideCharToMultiByte(CP_ACP, 0, bufp, -1, cmdline, nLen, NULL, NULL);
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*/
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#else
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/* Grab the command line */
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bufp = GetCommandLineA();
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nLen = strlen(bufp) + 1;
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cmdline = (char*)malloc(sizeof(char) * nLen);
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if (cmdline == NULL) {
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return OutOfMemory();
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}
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strncpy(cmdline, bufp, nLen);
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#endif
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/* Parse it into argv and argc */
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argc = ParseCommandLine(cmdline, NULL);
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argv = (char**)malloc(sizeof(char*) * (argc + 1));
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if (argv == NULL) {
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return OutOfMemory();
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}
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ParseCommandLine(cmdline, argv);
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/* Run the main program */
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status = main(argc, (const char**)argv);
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free(argv);
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free(cmdline);
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return status;
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}
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#endif // if Win32
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