ref: b27540d3bae29ac3d0114d0ee852a26ec30977ba
dir: /src/i_system.c/
// Emacs style mode select -*- C++ -*- //----------------------------------------------------------------------------- // // $Id: i_system.c 289 2006-01-13 18:23:28Z fraggle $ // // 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. // // $Log$ // Revision 1.17 2006/01/13 18:23:27 fraggle // Textscreen getchar() function; remove SDL code from I_Endoom. // // Revision 1.16 2006/01/08 18:13:32 fraggle // show_endoom config file option to disable the endoom screen // // Revision 1.15 2005/12/30 18:50:53 fraggle // Millisecond clock function // // Revision 1.14 2005/11/17 09:41:24 fraggle // Catch SDL_QUIT event on ENDOOM display // // Revision 1.13 2005/10/09 20:19:21 fraggle // Handle blinking text in ENDOOM lumps properly. // // Revision 1.12 2005/10/02 03:23:54 fraggle // Fix the length of time that ENDOOM is displayed for // // Revision 1.11 2005/10/02 03:16:29 fraggle // ENDOOM support using text mode emulation // // Revision 1.10 2005/09/22 13:13:47 fraggle // Remove external statistics driver support (-statcopy): // nonfunctional on modern systems and never used. // Fix for systems where sizeof(int) != sizeof(void *) // // Revision 1.9 2005/09/08 22:10:40 fraggle // Delay calls so we don't use the entire CPU // // Revision 1.8 2005/09/06 22:39:43 fraggle // Restore -nosound, -nosfx, -nomusic // // Revision 1.7 2005/08/04 18:42:15 fraggle // Silence compiler warnings // // Revision 1.6 2005/08/04 01:14:37 fraggle // Begin/EndRead now in i_video.c // // Revision 1.5 2005/07/25 20:41:59 fraggle // Port timer code to SDL // // Revision 1.4 2005/07/23 19:42:56 fraggle // Startup messages as in the DOS exes // // Revision 1.3 2005/07/23 18:56:07 fraggle // Remove unneccessary pragmas // // Revision 1.2 2005/07/23 16:44:55 fraggle // Update copyright to GNU GPL // // Revision 1.1.1.1 2005/07/23 16:20:39 fraggle // Initial import // // // DESCRIPTION: // //----------------------------------------------------------------------------- static const char rcsid[] = "$Id: i_system.c 289 2006-01-13 18:23:28Z fraggle $"; #include <stdlib.h> #include <stdio.h> #include <string.h> #include <stdarg.h> #include <SDL.h> #include "doomdef.h" #include "m_misc.h" #include "i_video.h" #include "i_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 = 6; int show_endoom = 1; void I_Tactile ( int on, int off, int total ) { // UNUSED. on = off = total = 0; } ticcmd_t emptycmd; ticcmd_t* I_BaseTiccmd(void) { return &emptycmd; } int I_GetHeapSize (void) { return mb_used*1024*1024; } byte* I_ZoneBase (int* size) { byte *zonemem; *size = mb_used*1024*1024; zonemem = malloc (*size); printf("zone memory: %p, %x allocated for zone\n", zonemem, *size); return zonemem; } // // I_GetTime // returns time in 1/35th second tics // static Uint32 basetime = 0; int I_GetTime (void) { Uint32 ticks; ticks = SDL_GetTicks(); if (basetime == 0) basetime = ticks; ticks -= basetime; return (ticks * 35) / 1000; } // // Same as I_GetTime, but returns time in milliseconds // int I_GetTimeMS(void) { Uint32 ticks; ticks = SDL_GetTicks(); if (basetime == 0) basetime = ticks; return ticks - basetime; } // // I_Init // void I_Init (void) { I_InitSound(); I_InitMusic(); // initialise timer SDL_Init(SDL_INIT_TIMER); } // // Displays the text mode ending screen after the game quits // void I_Endoom(void) { unsigned char *endoom_data; unsigned char *screendata; unsigned int start_ms; boolean waiting; endoom_data = W_CacheLumpName("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 10 seconds, or until a keypress or mouse click waiting = true; start_ms = I_GetTime(); while (waiting && I_GetTime() < start_ms + 350) { TXT_UpdateScreen(); if (TXT_GetChar() >= 0) { break; } I_Sleep(50); } // Shut down text mode screen TXT_Shutdown(); } // // I_Quit // void I_Quit (void) { D_QuitNetGame (); I_ShutdownSound(); I_ShutdownMusic(); M_SaveDefaults (); I_ShutdownGraphics(); if (show_endoom) { I_Endoom(); } exit(0); } void I_WaitVBL(int count) { SDL_Delay((count * 1000) / 70); } // Sleep for a specified number of ms void I_Sleep(int ms) { SDL_Delay(ms); } byte* I_AllocLow(int length) { byte* mem; mem = (byte *)malloc (length); memset (mem,0,length); return mem; } // // I_Error // extern boolean demorecording; void I_Error (char *error, ...) { va_list argptr; // Message first. va_start (argptr,error); fprintf (stderr, "Error: "); 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(); exit(-1); }