X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=roguelike.c;h=9a1849caf3330de61599db861d4c3a133fad112e;hb=7f1b0fb8bbd4f8c4f07c7d86fb8de0050d925f46;hp=8a358f3d6c6e92926831e86e0af1353d1e24126c;hpb=f75bf5a61c0d69d6c476fb56608a4f3cafa33fc3;p=plomrogue

diff --git a/roguelike.c b/roguelike.c
index 8a358f3..9a1849c 100644
--- a/roguelike.c
+++ b/roguelike.c
@@ -1,185 +1,80 @@
+#include <stdlib.h>
+#include <limits.h>
+#include <stdint.h>
 #include <ncurses.h>
 #include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
 #include "windows.h"
+#include "draw_wins.h"
+#include "roguelike.h"
+#include "keybindings.h"
 
-struct World {
-  struct KeyBinding * keybindings;
-  struct KeysWinData * keyswindata;
-  int turn;
-  char * log;
-  struct Map * map;
-  struct Monster * monster;
-  struct Player * player; };
-
-struct KeyBinding {
-  char * name;
-  int key; };
-
-struct KeysWinData {
-  int max;
-  char edit;
-  int select; };
-
-struct Map {
-  int width;
-  int height;
-  int offset_x;
-  int offset_y;
-  char * cells; };
+uint16_t rrand(char use_seed, uint32_t new_seed) {
+// Pseudo-random number generator (LGC algorithm). Use instead of rand() to ensure portable predictability.
+  static uint32_t seed;
+  if (0 != use_seed)
+    seed = new_seed;
+  seed = ((seed * 1103515245) + 12345) % 2147483648;   // Values as recommended by POSIX.1-2001 (see rand(3)).
+  return (seed / 65536); }                         // Ignore least significant 16 bits (they are less random).
 
-struct Player {
-  int y;
-  int x; };
+uint16_t read_uint16_bigendian(FILE * file) {
+// Read uint16 from file in big-endian order.
+  const uint16_t nchar = UCHAR_MAX + 1;
+  unsigned char a = fgetc(file);
+  unsigned char b = fgetc(file);
+  return (a * nchar) + b; }
 
-struct Monster {
-  int y;
-  int x; };
+void write_uint16_bigendian(uint16_t x, FILE * file) {
+// Write uint16 to file in beg-endian order.
+  const uint16_t nchar = UCHAR_MAX + 1;
+  unsigned char a = x / nchar;
+  unsigned char b = x % nchar;
+  fputc(a, file);
+  fputc(b, file); }
 
-void draw_with_linebreaks (struct Win *, char *, int);
-void draw_text_from_bottom (struct Win *, char *);
-void draw_log (struct Win *);
-void draw_map (struct Win *);
-void draw_info (struct Win *);
-void draw_keys_window (struct Win *);
-void toggle_window (struct WinMeta *, struct Win *);
-void init_keybindings(struct World *);
-struct Map init_map ();
-void next_turn (struct World *);
-void update_log (struct World *, char *);
-void save_keybindings(struct World *);
-int get_action_key (struct KeyBinding *, char *);
-char * get_keyname(int);
-char is_passable (struct World *, int, int);
-void move_player (struct World *, char);
+uint32_t read_uint32_bigendian(FILE * file) {
+// Read uint32 from file in big-endian order.
+  const uint16_t nchar = UCHAR_MAX + 1;
+  unsigned char a = fgetc(file);
+  unsigned char b = fgetc(file);
+  unsigned char c = fgetc(file);
+  unsigned char d = fgetc(file);
+  return (a * nchar * nchar * nchar) + (b * nchar * nchar) + (c * nchar) + d; }
 
-void draw_with_linebreaks (struct Win * win, char * text, int start_y) {
-// Write text into window content space. Start on row start_y. Fill unused rows with whitespace.
-  int x, y;
-  char toggle;
-  char fin = 0;
-  int z = -1;
-  for (y = start_y; y < win->height; y++) {
-    if (0 == fin)
-      toggle = 0;
-    for (x = 0; x < win->width; x++) {
-       if (0 == toggle) {
-         z++;
-         if ('\n' == text[z]) {
-           toggle = 1;
-           continue; }
-         else
-           mvwaddch(win->curses, y, x, text[z]);
-         if ('\n' == text[z+1]) {
-           z++;
-           toggle = 1; }
-         else if (0 == text[z+1]) {
-            toggle = 1;
-            fin = 1; } } } } }
+void write_uint32_bigendian(uint32_t x, FILE * file) {
+// Write uint32 to file in beg-endian order.
+  const uint16_t nchar = UCHAR_MAX + 1;
+  unsigned char a = x / (nchar * nchar * nchar);
+  unsigned char b = (x - (a * nchar * nchar * nchar)) / (nchar * nchar);
+  unsigned char c = (x - ((a * nchar * nchar * nchar) + (b * nchar * nchar))) / nchar;
+  unsigned char d = x % nchar;
+  fputc(a, file);
+  fputc(b, file);
+  fputc(c, file);
+  fputc(d, file); }
 
-void draw_text_from_bottom (struct Win * win, char * text) {
-// Draw text from end/bottom to the top.
-  char toggle = 0;
-  int x, y, offset;
-  int z = -1;
-  for (y = 0; 0 == toggle; y++)                           // Determine number of lines text would have in
-    for (x = 0; x < win->width; x++) {                    // a window of available width, but infinite height.
-      z++;
-      if ('\n' == text[z])            // Treat \n and \0 as control characters for incrementing y and stopping
-        break;                        // the loop. Make sure they don't count as cell space themselves.
-      if ('\n' == text[z+1]) {
-        z++;
-        break; }
-      else if (0 == text[z+1]) {
-        toggle = 1;
-        break; } }
-  z = -1;
-  int start_y = 0;
-  if (y < win->height)             // Depending on what is bigger, determine start point in window or in text.
-    start_y = win->height - y;
-  else if (y > win->height) {
-    offset = y - win->height;
-    for (y = 0; y < offset; y++)
-      for (x = 0; x < win->width; x++) {
-        z++;
-        if ('\n' == text[z])
-          break;
-        if ('\n' == text[z+1]) {
-          z++;
-          break; } }
-    text = text + (sizeof(char) * (z + 1)); }
-  draw_with_linebreaks(win, text, start_y); }
-
-void draw_log (struct Win * win) {
-// Draw log text from world struct in win->data from bottom to top.
-  struct World * world = (struct World *) win->data;
-  draw_text_from_bottom(win, world->log); }
-
-void draw_map (struct Win * win) {
-// Draw map determined by win->data Map struct into window. Respect offset.
-  struct World * world = (struct World *) win->data;
-  struct Map * map = world->map;
-  struct Player * player = world->player;
-  struct Monster * monster = world->monster;
-  char * cells = map->cells;
-  int width_map_av = map->width - map->offset_x;
-  int height_map_av = map->height - map->offset_y;
-  int x, y, z;
-  for (y = 0; y < win->height; y++) {
-    z = map->offset_x + (map->offset_y + y) * (map->width);
-    for (x = 0; x < win->width; x++) {
-      if (y < height_map_av && x < width_map_av) {
-        if (z == (map->width * player->y) + player->x)
-          mvwaddch(win->curses, y, x, '@');
-        else if (z == (map->width * monster->y) + monster->x)
-          mvwaddch(win->curses, y, x, 'M');
-        else
-          mvwaddch(win->curses, y, x, cells[z]);
-        z++; } } } }
-
-void draw_info (struct Win * win) {
-// Draw info window by appending win->data integer value to "Turn: " display.
-  struct World * world = (struct World *) win->data;
-  int count = world->turn;
-  char text[100];
-  snprintf(text, 100, "Turn: %d", count);
-  draw_with_linebreaks(win, text, 0); }
+void load_game(struct World * world) {
+// Load game data from game file.
+  FILE * file = fopen("savefile", "r");
+  world->seed = read_uint32_bigendian(file);
+  world->turn = read_uint32_bigendian(file);
+  world->player->y = read_uint16_bigendian(file);
+  world->player->x = read_uint16_bigendian(file);
+  world->monster->y = read_uint16_bigendian(file);
+  world->monster->x = read_uint16_bigendian(file);
+  fclose(file); }
 
-void draw_keys_window (struct Win * win) {
-// Draw keybinding window.
-  struct World * world = (struct World *) win->data;
-  struct KeysWinData * keyswindata = (struct KeysWinData *) world->keyswindata;
-  struct KeyBinding * keybindings = world->keybindings;
-  int offset = 0;
-  if (keyswindata->max >= win->height) {
-    if (keyswindata->select > win->height / 2) {
-      if (keyswindata->select < (keyswindata->max - (win->height / 2)))
-        offset = keyswindata->select - (win->height / 2);
-      else
-        offset = keyswindata->max - win->height + 1; } }
-  int keydescwidth = 9 + 1; // max length assured by get_keyname() + \0
-  char * keydesc = malloc(keydescwidth);
-  attr_t attri;
-  int y, x;
-  char * keyname;
-  for (y = 0; y <= keyswindata->max && y < win->height; y++) {
-    attri = 0;
-    if (y == keyswindata->select - offset) {
-      attri = A_REVERSE;
-      if (1 == keyswindata->edit)
-        attri = attri | A_BLINK; }
-    keyname = get_keyname(keybindings[y + offset].key);
-    snprintf(keydesc, keydescwidth, "%-9s", keyname);
-    free(keyname);
-    for (x = 0; x < win->width; x++)
-      if (x < strlen(keydesc))
-        mvwaddch(win->curses, y, x, keydesc[x] | attri);
-      else if (strlen(keydesc) < x && x < strlen(keybindings[y + offset].name) + strlen(keydesc) + 1)
-        mvwaddch(win->curses, y, x, keybindings[y + offset].name[x - strlen(keydesc) - 1] | attri);
-      else
-        mvwaddch(win->curses, y, x, ' ' | attri); }
-  free(keydesc); }
+void save_game(struct World * world) {
+// Save game data to game file.
+  FILE * file = fopen("savefile", "w");
+  write_uint32_bigendian(world->seed, file);
+  write_uint32_bigendian(world->turn, file);
+  write_uint16_bigendian(world->player->y, file);
+  write_uint16_bigendian(world->player->x, file);
+  write_uint16_bigendian(world->monster->y, file);
+  write_uint16_bigendian(world->monster->x, file);
+  fclose(file); }
 
 void toggle_window (struct WinMeta * win_meta, struct Win * win) {
 // Toggle display of window win.
@@ -188,56 +83,35 @@ void toggle_window (struct WinMeta * win_meta, struct Win * win) {
   else
     append_window(win_meta, win); }
 
-void init_keybindings(struct World * world) {
-// Initialize keybindings from file "keybindings".
-  FILE * file = fopen("keybindings", "r");
-  int lines = 0;
-  int c = 0;
-  int linemax = 0;
-  int c_count = 0;
-  while (EOF != c) {
-    c_count++;
-    c = getc(file);
-    if ('\n' == c) {
-      if (c_count > linemax)
-        linemax = c_count + 1;
-      c_count = 0;
-      lines++; } }
-  struct KeyBinding * keybindings = malloc(lines * sizeof(struct KeyBinding));
-  fseek(file, 0, SEEK_SET);
-  char * command = malloc(linemax);
-  int commcount = 0;
-  char * cmdptr;
-  while (fgets(command, linemax, file)) {
-    keybindings[commcount].key = atoi(command);
-    cmdptr = strchr(command, ' ') + 1;
-    keybindings[commcount].name = malloc(strlen(cmdptr));
-    memcpy(keybindings[commcount].name, cmdptr, strlen(cmdptr) - 1);
-    keybindings[commcount].name[strlen(cmdptr) - 1] = '\0';
-    commcount++; }
-  free(command);
-  fclose(file);
-  struct KeysWinData * keyswindata = malloc(sizeof(struct KeysWinData));
-  keyswindata->max = lines - 1;
-  keyswindata->select = 0;
-  keyswindata->edit = 0;
-  world->keybindings = keybindings;
-  world->keyswindata = keyswindata; }
+void growshrink_active_window (struct WinMeta * win_meta, char change) {
+// Grow or shrink active window horizontally or vertically by one cell size.
+  if (0 != win_meta->active) {
+    uint16_t height = win_meta->active->height;
+    uint16_t width = win_meta->active->width;
+    if      (change == '-')
+      height--;
+    else if (change == '+')
+      height++;
+    else if (change == '_')
+      width--;
+    else if (change == '*')
+      width++;
+    resize_active_window (win_meta, height, width); } }
 
 struct Map init_map () {
 // Initialize map with some experimental start values.
   struct Map map;
-  map.width = 96;
-  map.height = 32;
+  map.width = 64;
+  map.height = 64;
   map.offset_x = 0;
   map.offset_y = 0;
   map.cells = malloc(map.width * map.height);
-  int x, y, ran;
+  uint16_t x, y, ran;
   char terrain;
   for (y = 0; y < map.height; y++)
     for (x = 0; x < map.width; x++) {
       terrain = '.';
-      ran = rand();
+      ran = rrand(0, 0);
       if (   0 == ran % ((x*x) / 3 + 1)
           || 0 == ran % ((y*y) / 3 + 1)
           || 0 == ran % ((map.width - x - 1) * (map.width - x - 1) / 3 + 1)
@@ -246,12 +120,24 @@ struct Map init_map () {
       map.cells[(y * map.width) + x] = terrain; }
   return map; }
 
+void map_scroll (struct Map * map, char dir) {
+// Scroll map into direction dir if possible by changing the offset.
+  if      ('n' == dir && map->offset_y > 0)
+    map->offset_y--;
+  else if ('s' == dir)
+    map->offset_y++;
+  else if ('w' == dir && map->offset_x > 0)
+    map->offset_x--;
+  else if ('e' == dir)
+    map->offset_x++; }
+
 void next_turn (struct World * world) {
 // Increment turn and move enemy.
   world->turn++;
-  char d = rand() % 5;
-  char ty = world->monster->y;
-  char tx = world->monster->x;
+  rrand(1, world->seed * world->turn);
+  char d = rrand(0, 0) % 5;
+  uint16_t ty = world->monster->y;
+  uint16_t tx = world->monster->x;
   if (1 == d)
     ty++;
   else if (2 == d)
@@ -269,84 +155,16 @@ void next_turn (struct World * world) {
 void update_log (struct World * world, char * text) {
 // Update log with new text to be appended.
   char * new_text;
-  int len_old = strlen(world->log);
-  int len_new = strlen(text);
-  int len_whole = len_old + len_new + 1;
+  uint16_t len_old = strlen(world->log);
+  uint16_t len_new = strlen(text);
+  uint16_t len_whole = len_old + len_new + 1;
   new_text = calloc(len_whole, sizeof(char));
   memcpy(new_text, world->log, len_old);
   memcpy(new_text + len_old, text, len_new);
   free(world->log);
   world->log = new_text; }
 
-void save_keybindings(struct World * world) {
-// Write keybindings to keybindings file.
-  struct KeysWinData * keyswindata = (struct KeysWinData *) world->keyswindata;
-  struct KeyBinding * keybindings = world->keybindings;
-  FILE * file = fopen("keybindings", "w");
-  int linemax = 0;
-  int i;
-  for (i = 0; i <= keyswindata->max; i++)
-    if (strlen(keybindings[i].name) > linemax)
-      linemax = strlen(keybindings[i].name);
-  linemax = linemax + 6;                                // + 6 = + 3 digits + whitespace + newline + null byte
-  char * line = malloc(linemax);
-  for (i = 0; i <= keyswindata->max; i++) {
-    snprintf(line, linemax, "%d %s\n", keybindings[i].key, keybindings[i].name);
-    fwrite(line, sizeof(char), strlen(line), file); }
-  free(line);
-  fclose(file); }
-
-int get_action_key (struct KeyBinding * keybindings, char * name) {
-// Return key matching name in keybindings.
-  int i = 0;
-  while (strcmp(keybindings[i].name, name) )
-    i++;
-  return keybindings[i].key; }
-
-char * get_keyname(int keycode) {
-// Translate some keycodes to readable names of max 9 chars.
-  char * keyname;
-  keyname = malloc(15);
-  if (32 < keycode && keycode < 127)
-    sprintf(keyname, "%c", keycode);
-  else if (keycode == 9)
-    sprintf(keyname, "TAB");
-  else if (keycode == 10)
-    sprintf(keyname, "RETURN");
-  else if (keycode == 27)
-    sprintf(keyname, "ESCAPE");
-  else if (keycode == 32)
-    sprintf(keyname, "SPACE");
-  else if (keycode == KEY_UP)
-    sprintf(keyname, "UP");
-  else if (keycode == KEY_DOWN)
-    sprintf(keyname, "DOWN");
-  else if (keycode == KEY_LEFT)
-    sprintf(keyname, "LEFT");
-  else if (keycode == KEY_RIGHT)
-    sprintf(keyname, "RIGHT");
-  else if (keycode == KEY_HOME)
-    sprintf(keyname, "HOME");
-  else if (keycode == KEY_BACKSPACE)
-    sprintf(keyname, "BACKSPACE");
-  else if (keycode >= KEY_F0 && keycode <= KEY_F(63)) {
-    int f = keycode - KEY_F0;
-    sprintf(keyname, "F%d", f); }
-  else if (keycode == KEY_DC)
-    sprintf(keyname, "DELETE");
-  else if (keycode == KEY_IC)
-    sprintf(keyname, "INSERT");
-  else if (keycode == KEY_NPAGE)
-    sprintf(keyname, "NEXT PAGE");
-  else if (keycode == KEY_PPAGE)
-    sprintf(keyname, "PREV PAGE");
-  else if (keycode == KEY_END)
-    sprintf(keyname, "END");
-  else
-    sprintf(keyname, "(unknown)");
-  return keyname;  }
-
-char is_passable (struct World * world, int x, int y) {
+char is_passable (struct World * world, uint16_t x, uint16_t y) {
 // Check if coordinate on (or beyond) map is accessible to movement.
   char passable = 0;
   if (0 <= x && x < world->map->width && 0 <= y && y < world->map->height)
@@ -354,13 +172,19 @@ char is_passable (struct World * world, int x, int y) {
       passable = 1;
   return passable; }
 
+void record_action (char action) {
+// Append action to game record file.
+  FILE * file = fopen("record", "a");
+  fputc(action, file);
+  fclose(file); }
+
 void move_player (struct World * world, char d) {
 // Move player in direction d, increment turn counter and update log.
   static char prev = 0;
   char success = 0;
   char * dir;
-  char ty = world->player->y;
-  char tx = world->player->x;
+  uint16_t ty = world->player->y;
+  uint16_t tx = world->player->x;
   if ('s' == d) {
     dir = "south";
     ty++; }
@@ -393,24 +217,117 @@ void move_player (struct World * world, char d) {
       update_log (world, msg);
       free(msg); } }
   prev = success * d;
+  if (1 == world->interactive)
+    record_action(d);
   next_turn (world); }
 
-int main () {
+void player_wait (struct World * world) {
+// Make player wait one turn.
+  if (1 == world->interactive)
+    record_action(0);
+  next_turn (world);
+  update_log (world, "\nYou wait."); }
+
+void startpos(struct World * world) {
+// Initialize some default starting values.
+  world->turn = 1;
+  world->player->y = 8;
+  world->player->x = 8;
+  world->monster->y = 55;
+  world->monster->x = 55; }
+
+unsigned char meta_keys(int key, struct World * world, struct WinMeta * win_meta, struct Win * win_keys,
+                        struct Win * win_map, struct Win * win_info, struct Win * win_log) {
+// Call some meta program / window management actions dependent on key. Return 1 to signal quitting.
+  if (key == get_action_key(world->keybindings, "quit"))
+    return 1;
+  else if (key == get_action_key(world->keybindings, "scroll pad right"))
+    scroll_pad (win_meta, '+');
+  else if (key == get_action_key(world->keybindings, "scroll pad left"))
+    scroll_pad (win_meta, '-');
+  else if (key == get_action_key(world->keybindings, "toggle keys window"))
+    toggle_window(win_meta, win_keys);
+  else if (key == get_action_key(world->keybindings, "toggle map window"))
+    toggle_window(win_meta, win_map);
+  else if (key == get_action_key(world->keybindings, "toggle info window"))
+    toggle_window(win_meta, win_info);
+  else if (key == get_action_key(world->keybindings, "toggle log window"))
+    toggle_window(win_meta, win_log);
+  else if (key == get_action_key(world->keybindings, "cycle forwards"))
+    cycle_active_window(win_meta, 'n');
+  else if (key == get_action_key(world->keybindings, "cycle backwards"))
+    cycle_active_window(win_meta, 'p');
+  else if (key == get_action_key(world->keybindings, "shift forwards"))
+    shift_active_window(win_meta, 'f');
+  else if (key == get_action_key(world->keybindings, "shift backwards"))
+    shift_active_window(win_meta, 'b');
+  else if (key == get_action_key(world->keybindings, "grow horizontally"))
+    growshrink_active_window(win_meta, '*');
+  else if (key == get_action_key(world->keybindings, "shrink horizontally"))
+    growshrink_active_window(win_meta, '_');
+  else if (key == get_action_key(world->keybindings, "grow vertically"))
+    growshrink_active_window(win_meta, '+');
+  else if (key == get_action_key(world->keybindings, "shrink vertically"))
+    growshrink_active_window(win_meta, '-');
+  else if (key == get_action_key(world->keybindings, "save keys"))
+    save_keybindings(world);
+  else if (key == get_action_key(world->keybindings, "keys nav up"))
+    keyswin_move_selection (world, 'u');
+  else if (key == get_action_key(world->keybindings, "keys nav down"))
+    keyswin_move_selection (world, 'd');
+  else if (key == get_action_key(world->keybindings, "keys mod"))
+    keyswin_mod_key (world, win_meta);
+  else if (key == get_action_key(world->keybindings, "map up"))
+    map_scroll (world->map, 'n');
+  else if (key == get_action_key(world->keybindings, "map down"))
+    map_scroll (world->map, 's');
+  else if (key == get_action_key(world->keybindings, "map right"))
+    map_scroll (world->map, 'e');
+  else if (key == get_action_key(world->keybindings, "map left"))
+    map_scroll (world->map, 'w');
+  return 0; }
+
+int main (int argc, char *argv[]) {
   struct World world;
+  world.interactive = 1;
+  int opt;
+  uint32_t start_turn;
+  while ((opt = getopt(argc, argv, "s::")) != -1) {
+    switch (opt) {
+      case 's':
+        world.interactive = 0;
+        start_turn = 0;
+        if (optarg)
+          start_turn = atoi(optarg);
+        break;
+      default:
+        exit(EXIT_FAILURE); } }
+
   init_keybindings(&world);
-  world.turn = 0;
   world.log = calloc(1, sizeof(char));
-  update_log (&world, "Start!");
-  struct Map map = init_map();
-  world.map = &map;
+  update_log (&world, " ");
   struct Player player;
-  player.y = 16;
-  player.x = 16;
   world.player = &player;
   struct Monster monster;
-  monster.y = 16;
-  monster.x = 80;
   world.monster = &monster;
+  FILE * file;
+
+  if (0 == world.interactive) {
+    startpos(&world);
+    file = fopen("record", "r");
+    world.seed = read_uint32_bigendian(file); }
+  else {
+    if (0 == access("savefile", F_OK))
+      load_game(&world);
+    else {
+      startpos(&world);
+      world.seed = time(NULL);
+      file = fopen("record", "w");
+      write_uint32_bigendian(world.seed, file);
+      fclose(file); } }
+  rrand(1, world.seed);
+  struct Map map = init_map();
+  world.map = &map;
 
   WINDOW * screen = initscr();
   noecho();
@@ -418,86 +335,72 @@ int main () {
   keypad(screen, TRUE);
   raw();
   struct WinMeta win_meta = init_win_meta(screen);
-
-  struct Win win_keys = init_window(&win_meta, "Keys");
-  win_keys.draw = draw_keys_window;
-  win_keys.data = &world;
-  struct Win win_map = init_window(&win_meta, "Map");
-  win_map.draw = draw_map;
-  win_map.data = &world;
-  struct Win win_info = init_window(&win_meta, "Info");
-  win_info.draw = draw_info;
-  win_info.data = &world;
-  struct Win win_log = init_window(&win_meta, "Log");
-  win_log.draw = draw_log;
-  win_log.data = &world;
+  struct Win win_keys = init_window(&win_meta, "Keys", &world, draw_keys_win);
+  struct Win win_map = init_window(&win_meta, "Map", &world, draw_map_win);
+  struct Win win_info = init_window(&win_meta, "Info", &world, draw_info_win);
+  struct Win win_log = init_window(&win_meta, "Log", &world, draw_log_win);
+  win_keys.width = 29;
+  win_map.width = win_meta.width - win_keys.width - win_log.width - 2;
+  win_info.height = 1;
+  win_log.height = win_meta.height - 3;
+  toggle_window(&win_meta, &win_keys);
+  toggle_window(&win_meta, &win_map);
+  toggle_window(&win_meta, &win_info);
+  toggle_window(&win_meta, &win_log);
 
   int key;
-  while (1) {
-    draw_all_windows (&win_meta);
-    key = getch();
-    if      (key == get_action_key(world.keybindings, "quit"))
-      break;
-    else if (key == get_action_key(world.keybindings, "scroll pad right"))
-      win_meta.pad_offset++;
-    else if (key == get_action_key(world.keybindings, "scroll pad left") && win_meta.pad_offset > 0)
-      win_meta.pad_offset--;
-    else if (key == get_action_key(world.keybindings, "toggle keys window"))
-      toggle_window(&win_meta, &win_keys);
-    else if (key == get_action_key(world.keybindings, "toggle map window"))
-      toggle_window(&win_meta, &win_map);
-    else if (key == get_action_key(world.keybindings, "toggle info window"))
-      toggle_window(&win_meta, &win_info);
-    else if (key == get_action_key(world.keybindings, "toggle log window"))
-      toggle_window(&win_meta, &win_log);
-    else if (key == get_action_key(world.keybindings, "cycle forwards") && win_meta.active != 0)
-      cycle_active_window(&win_meta, 'n');
-    else if (key == get_action_key(world.keybindings, "cycle backwards") && win_meta.active != 0)
-      cycle_active_window(&win_meta, 'p');
-    else if (key == get_action_key(world.keybindings, "shift forwards")  && win_meta.active != 0)
-      shift_window(&win_meta, 'f');
-    else if (key == get_action_key(world.keybindings, "shift backwards") && win_meta.active != 0)
-      shift_window(&win_meta, 'b');
-    else if (key == get_action_key(world.keybindings, "grow horizontally") && win_meta.active != 0)
-      resize_window(&win_meta, '*');
-    else if (key == get_action_key(world.keybindings, "shrink horizontally") && win_meta.active != 0)
-      resize_window(&win_meta, '_');
-    else if (key == get_action_key(world.keybindings, "grow vertically") && win_meta.active != 0)
-      resize_window(&win_meta, '+');
-    else if (key == get_action_key(world.keybindings, "shrink vertically") && win_meta.active != 0)
-      resize_window(&win_meta, '-');
-    else if (key == get_action_key(world.keybindings, "save keys"))
-      save_keybindings(&world);
-    else if (key == get_action_key(world.keybindings, "keys nav up") && world.keyswindata->select > 0)
-      world.keyswindata->select--;
-    else if (key == get_action_key(world.keybindings, "keys nav down") && world.keyswindata->select < world.keyswindata->max)
-      world.keyswindata->select++;
-    else if (key == get_action_key(world.keybindings, "keys mod")) {
-      world.keyswindata->edit = 1;
+  unsigned char quit_called;
+  if (0 == world.interactive) {
+    unsigned char still_reading_file = 1;
+    int action;
+    while (1) {
+      if (start_turn == world.turn)
+        start_turn = 0;
+      if (0 == start_turn) {
+        draw_all_windows (&win_meta);
+        key = getch(); }
+      if (1 == still_reading_file &&
+          (world.turn < start_turn || key == get_action_key(world.keybindings, "wait / next turn")) ) {
+        action = getc(file);
+        if (EOF == action) {
+          start_turn = 0;
+          still_reading_file = 0; }
+        else if (0 == action)
+          player_wait (&world);
+        else if ('s' == action)
+          move_player(&world, 's');
+        else if ('n' == action)
+          move_player(&world, 'n');
+        else if ('e' == action)
+          move_player(&world, 'e');
+        else if ('w' == action)
+          move_player(&world, 'w'); }
+      else
+        quit_called = meta_keys(key, &world, &win_meta, &win_keys, &win_map, &win_info, &win_log);
+        if (1 == quit_called)
+          break; } }
+  else {
+    uint32_t last_turn = 0;
+    while (1) {
+      if (last_turn != world.turn) {
+        save_game(&world);
+        last_turn = world.turn; }
       draw_all_windows (&win_meta);
       key = getch();
-      if (key < 1000) // ensure maximum of three digits in key code field
-        world.keybindings[world.keyswindata->select].key = key;
-      world.keyswindata->edit = 0; }
-    else if (key == get_action_key(world.keybindings, "map up") && map.offset_y > 0)
-      map.offset_y--;
-    else if (key == get_action_key(world.keybindings, "map down"))
-      map.offset_y++;
-    else if (key == get_action_key(world.keybindings, "map right"))
-      map.offset_x++;
-    else if (key == get_action_key(world.keybindings, "map left") && map.offset_x > 0)
-      map.offset_x--;
-    else if (key == get_action_key(world.keybindings, "player down"))
-      move_player(&world, 's');
-    else if (key == get_action_key(world.keybindings, "player up"))
-      move_player(&world, 'n');
-    else if (key == get_action_key(world.keybindings, "player right"))
-      move_player(&world, 'e');
-    else if (key == get_action_key(world.keybindings, "player left"))
-      move_player(&world, 'w');
-    else if (key == get_action_key(world.keybindings, "wait") ) {
-      next_turn (&world);
-      update_log (&world, "\nYou wait."); } }
+      if      (key == get_action_key(world.keybindings, "player down"))
+        move_player(&world, 's');
+      else if (key == get_action_key(world.keybindings, "player up"))
+        move_player(&world, 'n');
+      else if (key == get_action_key(world.keybindings, "player right"))
+        move_player(&world, 'e');
+      else if (key == get_action_key(world.keybindings, "player left"))
+        move_player(&world, 'w');
+      else if (key == get_action_key(world.keybindings, "wait / next turn"))
+        player_wait (&world);
+      else
+        quit_called = meta_keys(key, &world, &win_meta, &win_keys, &win_map, &win_info, &win_log);
+        if (1 == quit_called)
+          break; } }
 
   free(map.cells);
   for (key = 0; key <= world.keyswindata->max; key++)