3 files changed, 101 insertions, 0 deletions
diff --git a/csrc/config.c b/csrc/config.c
new file mode 100644
index 0000000..21063a1
--- /dev/null
+++ b/csrc/config.c
@@ -0,0 +1,78 @@
+#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);
+}
diff --git a/csrc/rich4_time.c b/csrc/rich4_time.c
new file mode 100644
index 0000000..058ee99
--- /dev/null
+++ b/csrc/rich4_time.c
@@ -0,0 +1,12 @@
+#include <windows.h>
+#include "rich4_time.h"
+
+void get_local_time(rich4_time *t)
+{
+  SYSTEMTIME st;
+  GetLocalTime(&st);
+  t->day = st.wDay;
+  t->month = st.wMonth;
+  t->year = st.wYear;
+  t->dayofweek = st.wDayOfWeek;
+}
diff --git a/csrc/rich4_time.h b/csrc/rich4_time.h
new file mode 100644
index 0000000..f75e7dc
--- /dev/null
+++ b/csrc/rich4_time.h
@@ -0,0 +1,11 @@
+#include <stdint.h>
+
+typedef struct
+{
+  uint8_t day;
+  uint8_t month;
+  uint16_t year;
+  uint16_t dayofweek;
+} rich4_time;
+
+void get_local_time(rich4_time *t);