settings.cpp

   1
   2 #include <SDL.h>
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <stdint.h>
   6 #include <string.h>
   7 #include "settings.h"
   8 #include "replay.h"
   9 #include "settings.fdh"
  10
  11 const char *setfilename = "settings.dat";
  12 const uint16_t SETTINGS_VERSION = 0x1602;               // serves as both a version and magic
  13
  14 Settings normal_settings;
  15 Settings replay_settings;
  16 Settings *settings = &normal_settings;
  17
  18
  19 bool settings_load(Settings *setfile)
  20 {
  21         if (!setfile) setfile = &normal_settings;
  22
  23         if (tryload(settings))
  24         {
  25                 stat("No saved settings; using defaults.");
  26
  27                 memset(setfile, 0, sizeof(Settings));
  28                 setfile->resolution = 2;                // 640x480 Windowed, should be safe value
  29                 setfile->last_save_slot = 0;
  30                 setfile->multisave = true;
  31
  32                 setfile->enable_debug_keys = false;
  33                 setfile->sound_enabled = true;
  34                 setfile->music_enabled = 1;     // both Boss and Regular music
  35
  36                 setfile->instant_quit = false;
  37                 setfile->emulate_bugs = false;
  38                 setfile->no_quake_in_hell = false;
  39                 setfile->inhibit_fullscreen = false;
  40                 setfile->files_extracted = false;
  41
  42                 // I found that 8bpp->32bpp blits are actually noticably faster
  43                 // than 32bpp->32bpp blits on several systems I tested. Not sure why
  44                 // but calling SDL_DisplayFormat seems to actually be slowing things
  45                 // down. This goes against established wisdom so if you want it back on,
  46                 // run "displayformat 1" in the console and restart.
  47                 setfile->displayformat = false;
  48
  49                 return 1;
  50         }
  51         else
  52         {
  53                 #ifdef __SDLSHIM__
  54                         stat("settings_load(): Hey FIXME!!!");
  55                         settings->show_fps = true;
  56                 #else
  57                         input_set_mappings(settings->input_mappings);
  58                 #endif
  59         }
  60
  61         return 0;
  62 }
  63
  64 /*
  65 void c------------------------------() {}
  66 */
  67
  68 static bool tryload(Settings *setfile)
  69 {
  70 FILE *fp;
  71
  72         stat("Loading settings...");
  73
  74         fp = fileopen(setfilename, "rb");
  75         if (!fp)
  76         {
  77                 stat("Couldn't open file %s.", setfilename);
  78                 return 1;
  79         }
  80
  81         setfile->version = 0;
  82         fread(setfile, sizeof(Settings), 1, fp);
  83         if (setfile->version != SETTINGS_VERSION)
  84         {
  85                 stat("Wrong settings version %04x.", setfile->version);
  86                 return 1;
  87         }
  88
  89         fclose(fp);
  90         return 0;
  91 }
  92
  93
  94 bool settings_save(Settings *setfile)
  95 {
  96 FILE *fp;
  97
  98         if (!setfile)
  99                 setfile = &normal_settings;
 100
 101         stat("Writing settings...");
 102         fp = fileopen(setfilename, "wb");
 103         if (!fp)
 104         {
 105                 stat("Couldn't open file %s.", setfilename);
 106                 return 1;
 107         }
 108
 109         for(int i=0;i<INPUT_COUNT;i++)
 110                 setfile->input_mappings[i] = input_get_mapping(i);
 111
 112         setfile->version = SETTINGS_VERSION;
 113         fwrite(setfile, sizeof(Settings), 1, fp);
 114
 115         fclose(fp);
 116         return 0;
 117 }
 118
 119
 120
 121