226 lines
6.2 KiB
C
226 lines
6.2 KiB
C
/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* contains routine(s) to read in the configuration file which contains
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* game configuration stuff
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include "types.h"
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#include "game.h"
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#include "digi.h"
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#include "kconfig.h"
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#include "palette.h"
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#include "args.h"
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#include "player.h"
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#include "mission.h"
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char config_last_player[CALLSIGN_LEN+1] = "";
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char config_last_mission[MISSION_NAME_LEN+1] = "";
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static char *DigiVolumeStr="DigiVolume";
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static char *MidiVolumeStr="MidiVolume";
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static char *GammaLevelStr="GammaLevelStr";
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static char *DetailLevelStr="DetailLevelStr";
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static char *LastPlayerStr="LastPlayerStr";
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static char *LastMissionStr="LastMissionStr";
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static char *ResolutionXStr="ResolutionX";
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static char *ResolutionYStr="ResolutionY";
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static int Config_render_width=0, Config_render_height=0;
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extern sbyte Object_complexity, Object_detail, Wall_detail, Wall_render_depth, Debris_amount, SoundChannels;
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void set_custom_detail_vars(void);
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#ifdef __unix__
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#include <unistd.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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int check_and_create_dir(const char *name)
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{
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struct stat stat_buffer;
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if (stat(name, &stat_buffer))
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{
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/* error check if it doesn't exist or something else is wrong */
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if (errno == ENOENT)
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{
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/* doesn't exist letts create it ;) */
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if (mkdir(name, 0775))
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{
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fprintf(stderr, "Error creating dir %s", name);
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perror(" ");
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return -1;
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}
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}
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else
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{
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/* something else went wrong yell about it */
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fprintf(stderr, "Error opening %s", name);
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perror(" ");
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return -1;
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}
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}
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else
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{
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/* file exists check it's a dir otherwise yell about it */
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if (!(S_IFDIR & stat_buffer.st_mode))
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{
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fprintf(stderr,"Error %s exists but isn't a dir\n", name);
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return -1;
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}
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}
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return 0;
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}
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#endif
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int ReadConfigFile()
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{
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FILE *infile;
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char line[80], *token, *value, *ptr;
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ubyte gamma;
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strcpy( config_last_player, "" );
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Config_digi_volume = 4;
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Config_midi_volume = 4;
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Config_control_type = 0;
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#if defined(__unix__) && !defined (GP2X)
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/* we abuse the line buf here todo some unix specific stuff */
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ptr = getenv("HOME");
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snprintf(line, sizeof(line), "%s/.d1x-rebirth", ptr? ptr:".");
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/* If we succeed we do a chdir, because patching the file load/save
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code to use this path is easy, but then we also need to hack the
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file-selector, so just doing a chdir is easier. */
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if (!check_and_create_dir(line))
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chdir(line);
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#endif
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infile = fopen("descent.cfg", "rt");
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if (infile == NULL)
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return 1;
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while (!feof(infile)) {
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memset(line, 0, 80);
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if (!(ptr = fgets(line, 80, infile)))
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break;
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while (isspace(*ptr))
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ptr++;
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if (*ptr != '\0') {
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token = strtok(ptr, "=");
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value = strtok(NULL, "=");
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if (!strcmp(token, DigiVolumeStr))
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Config_digi_volume = strtol(value, NULL, 10);
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else if (!strcmp(token, MidiVolumeStr))
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Config_midi_volume = strtol(value, NULL, 10);
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else if (!strcmp(token, GammaLevelStr)) {
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gamma = strtol(value, NULL, 10);
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gr_palette_set_gamma( gamma );
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}
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else if (!strcmp(token, DetailLevelStr)) {
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Detail_level = strtol(value, NULL, 10);
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if (Detail_level == NUM_DETAIL_LEVELS-1) {
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int count,dummy,oc,od,wd,wrd,da,sc;
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count = sscanf (value, "%d,%d,%d,%d,%d,%d,%d\n",&dummy,&oc,&od,&wd,&wrd,&da,&sc);
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if (count == 7) {
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Object_complexity = oc;
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Object_detail = od;
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Wall_detail = wd;
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Wall_render_depth = wrd;
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Debris_amount = da;
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SoundChannels = sc;
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set_custom_detail_vars();
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}
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}
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}
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else if (!strcmp(token, LastPlayerStr)) {
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char * p;
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strncpy( config_last_player, value, CALLSIGN_LEN );
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p = strchr( config_last_player, '\n');
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if ( p ) *p = 0;
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}
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else if (!strcmp(token, LastMissionStr)) {
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char * p;
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strncpy( config_last_mission, value, MISSION_NAME_LEN );
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p = strchr( config_last_mission, '\n');
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if ( p ) *p = 0;
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}
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else if (!strcmp(token, ResolutionXStr))
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Config_render_width = strtol(value, NULL, 10);
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else if (!strcmp(token, ResolutionYStr))
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Config_render_height = strtol(value, NULL, 10);
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}
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}
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fclose(infile);
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if ( Config_digi_volume > 8 ) Config_digi_volume = 8;
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if ( Config_midi_volume > 8 ) Config_midi_volume = 8;
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digi_set_volume( (Config_digi_volume*32768)/8, (Config_midi_volume*128)/8 );
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if (Config_render_width >= 320 && Config_render_height >= 200)
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Game_screen_mode = SM(Config_render_width,Config_render_height);
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return 0;
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}
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int WriteConfigFile()
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{
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FILE *infile;
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char str[256];
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ubyte gamma = gr_palette_get_gamma();
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infile = fopen("descent.cfg", "wt");
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if (infile == NULL) {
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return 1;
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}
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sprintf (str, "%s=%d\n", DigiVolumeStr, Config_digi_volume);
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fputs(str, infile);
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sprintf (str, "%s=%d\n", MidiVolumeStr, Config_midi_volume);
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fputs(str, infile);
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sprintf (str, "%s=%d\n", GammaLevelStr, gamma);
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fputs(str, infile);
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if (Detail_level == NUM_DETAIL_LEVELS-1)
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sprintf (str, "%s=%d,%d,%d,%d,%d,%d,%d\n", DetailLevelStr, Detail_level,
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Object_complexity,Object_detail,Wall_detail,Wall_render_depth,Debris_amount,SoundChannels);
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else
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sprintf (str, "%s=%d\n", DetailLevelStr, Detail_level);
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fputs(str, infile);
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sprintf (str, "%s=%s\n", LastPlayerStr, Players[Player_num].callsign );
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fputs(str, infile);
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sprintf (str, "%s=%s\n", LastMissionStr, config_last_mission );
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fputs(str, infile);
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sprintf (str, "%s=%i\n", ResolutionXStr, SM_W(Game_screen_mode));
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fputs(str, infile);
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sprintf (str, "%s=%i\n", ResolutionYStr, SM_H(Game_screen_mode));
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fputs(str, infile);
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fclose(infile);
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return 0;
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}
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