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#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "rich4_time.h"

typedef struct
{
  uint8_t key;
  uint8_t mod;
} rich4_key_t;

rich4_key_t default_hotkeys[28] =
  {
   {0x26, 0}, {0x27, 0}, {0x28, 0}, {0x25, 0}, {0x0d, 0}, {0x1b, 0}, {0x09, 0}, {0x09, 0},
   {0x59, 0}, {0x4e, 0}, {0x20, 0}, {0x44, 0}, {0x57, 0}, {0x58, 0}, {0x43, 0}, {0x45, 0},
   {0x46, 0}, {0x4d, 0}, {0xbc, 0}, {0xbe, 0}, {0x41, 0}, {0x56, 0}, {0x53, 0}, {0x4c, 0},
   {0x48, 0}, {0x21, 0}, {0x22, 0}, {0x51, 0x11}
  };

typedef struct
{
  uint8_t game_speed;
  uint8_t animation;
  uint8_t music;
  uint8_t sound_effect;
  uint8_t auto_save;
  uint8_t view;
  uint8_t dummy1[2];
  uint8_t day; /* offset 8 */
  uint8_t month;
  uint16_t year;
  uint8_t dummy2[4];
  rich4_key_t hotkeys[28]; /* offset 0x10 */
} rich4_cfg;

rich4_cfg global_rich4_cfg; // 0x497158

void config_rich4(void)
{
  FILE *fp = fopen("RICH4.CFG", "rb");
  if (fp != NULL) {
    fread(&global_rich4_cfg, sizeof(global_rich4_cfg), 1, fp);
    fclose(fp);
  } else {
    global_rich4_cfg.game_speed = 1;
    global_rich4_cfg.animation = 1;
    global_rich4_cfg.music = 4;
    global_rich4_cfg.sound_effect = 4;
    global_rich4_cfg.auto_save = 1;
    global_rich4_cfg.view = 1;
    global_rich4_cfg.dummy2[0] = 0;
    memcpy(&global_rich4_cfg.hotkeys, default_hotkeys,
           sizeof(global_rich4_cfg.hotkeys));
  }
  rich4_time t;
  get_local_time(&t);
  if (t.year < 1998) {
    t.year = 1998;
    t.month = 1;
    t.day = 1;
  } else if (t.year > 2010) {
    t.year = 2010;
    t.month = 1;
    t.day = 1;
  }

  global_rich4_cfg.year = t.year;
  global_rich4_cfg.month = t.month;
  global_rich4_cfg.day = t.day;
}

void write_cfg(void)
{
  FILE *fp = fopen("RICH4.CFG", "wb");
  if (fp == NULL)
    return;
  fwrite(&global_rich4_cfg, sizeof(global_rich4_cfg), 1, fp);
}