ref: 6a294daa7859eaf0250aa4a77484dd11550e5c5e
dir: /src/i_system.c/
// Emacs style mode select -*- C++ -*- //----------------------------------------------------------------------------- // // Copyright(C) 1993-1996 Id Software, Inc. // Copyright(C) 2005 Simon Howard // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; either version 2 // of the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA // 02111-1307, USA. // // DESCRIPTION: // //----------------------------------------------------------------------------- #include <stdlib.h> #include <stdio.h> #include <string.h> #include <stdarg.h> #ifdef _WIN32 #define WIN32_LEAN_AND_MEAN #include <windows.h> #else #include <unistd.h> #endif #include "deh_main.h" #include "doomdef.h" #include "doomstat.h" #include "m_argv.h" #include "m_config.h" #include "m_misc.h" #include "i_joystick.h" #include "i_timer.h" #include "i_video.h" #include "s_sound.h" #include "d_net.h" #include "g_game.h" #include "i_system.h" #include "txt_main.h" #include "w_wad.h" #include "z_zone.h" int mb_used = 16; int show_endoom = 1; // Tactile feedback function, probably used for the Logitech Cyberman void I_Tactile(int on, int off, int total) { } int I_GetHeapSize (void) { int p; //! // @arg <mb> // // Specify the heap size, in MiB (default 16). // p = M_CheckParm("-mb"); if (p > 0) { mb_used = atoi(myargv[p+1]); } return mb_used*1024*1024; } byte *I_ZoneBase (int *size) { byte *zonemem; *size = I_GetHeapSize(); zonemem = malloc(*size); printf("zone memory: %p, %x allocated for zone\n", zonemem, *size); return zonemem; } // // I_ConsoleStdout // // Returns true if stdout is a real console, false if it is a file // boolean I_ConsoleStdout(void) { #ifdef _WIN32 // SDL "helpfully" always redirects stdout to a file. return 0; #else return isatty(fileno(stdout)); #endif } // // I_Init // void I_Init (void) { I_CheckIsScreensaver(); I_InitTimer(); I_InitJoystick(); } // // Displays the text mode ending screen after the game quits // void I_Endoom(void) { unsigned char *endoom_data; unsigned char *screendata; endoom_data = W_CacheLumpName(DEH_String("ENDOOM"), PU_STATIC); // Set up text mode screen TXT_Init(); // Make sure the new window has the right title and icon I_SetWindowCaption(); I_SetWindowIcon(); // Write the data to the screen memory screendata = TXT_GetScreenData(); memcpy(screendata, endoom_data, 4000); // Wait for a keypress while (true) { TXT_UpdateScreen(); if (TXT_GetChar() >= 0) { break; } TXT_Sleep(0); } // Shut down text mode screen TXT_Shutdown(); } // // I_Quit // void I_Quit (void) { D_QuitNetGame (); G_CheckDemoStatus(); S_Shutdown(); if (!screensaver_mode) { M_SaveDefaults (); } I_ShutdownGraphics(); if (show_endoom && !testcontrols && !screensaver_mode) { I_Endoom(); } exit(0); } void I_WaitVBL(int count) { I_Sleep((count * 1000) / 70); } // // I_Error // extern boolean demorecording; static boolean already_quitting = false; void I_Error (char *error, ...) { va_list argptr; if (already_quitting) { fprintf(stderr, "Warning: recursive call to I_Error detected.\n"); exit(-1); } else { already_quitting = true; } // Message first. va_start(argptr, error); fprintf(stderr, "\nError: "); vfprintf(stderr, error, argptr); fprintf(stderr, "\n"); va_end(argptr); fflush(stderr); // Shutdown. Here might be other errors. if (demorecording) { G_CheckDemoStatus(); } D_QuitNetGame (); I_ShutdownGraphics(); S_Shutdown(); #ifdef _WIN32 // On Windows, pop up a dialog box with the error message. { char msgbuf[512]; va_start(argptr, error); memset(msgbuf, 0, sizeof(msgbuf)); vsnprintf(msgbuf, sizeof(msgbuf) - 1, error, argptr); va_end(argptr); MessageBox(NULL, msgbuf, "Error", MB_OK); } #endif // abort(); exit(-1); }