plomlompom.com Git - plomrogue/blob - src/main.c

   1 /* main.c */
   2
   3 #include "main.h"
   4 #include <stdlib.h> /* for atoi(), exit(), EXIT_FAILURE, calloc() */
   5 #include <stdio.h> /* for FILE typedef, F_OK */
   6 #include <ncurses.h> /* for initscr(), noecho(), curs_set(), keypad(), raw() */
   7 #include <time.h> /* for time() */
   8 #include <unistd.h> /* for getopt(), optarg */
   9 #include "windows.h" /* for structs WinMeta, Win, init_win(), init_win_meta(),
  10                       * draw_all_wins()
  11                       */
  12 #include "draw_wins.h" /* for draw_keys_win(), draw_map_win(), draw_info_win(),
  13                         * draw_log_win()
  14                         */
  15 #include "keybindings.h" /* for initkeybindings(), get_action_key() */
  16 #include "readwrite.h" /* for read_uint16_bigendian, read_uint32_bigendian,
  17                         * write_uint32_bigendian
  18                         */
  19 #include "map_objects.h" /* for structs Monster, Item, Player,
  20                           * init_map_object_defs(), read_map_objects(),
  21                           * build_map_objects()
  22                           */
  23 #include "map_object_actions.h" /* for player_wait(), move_player() */
  24 #include "map.h" /* for struct Map, init_map() */
  25 #include "misc.h" /* for update_log(), toggle_window(), find_passable_pos(),
  26                    * meta_keys(), save_game()
  27                    */
  28 #include "yx_uint16.h" /* for dir enum */
  29 #include "rrand.h" /* for rrand(), rrand_seed() */
  30 #include "rexit.h" /* for exit_game() */
  31
  32 int main(int argc, char *argv[])
  33 {
  34     struct World world;
  35
  36     /* Read in startup options (i.e. replay option and replay start turn). */
  37     int opt;
  38     uint32_t start_turn;
  39     world.interactive = 1;
  40     while ((opt = getopt(argc, argv, "s::")) != -1)
  41     {
  42         switch (opt)
  43         {
  44             case 's':
  45                 world.interactive = 0;
  46                 start_turn = 0;
  47                 if (optarg)
  48                     start_turn = atoi(optarg);
  49                  break;
  50             default:
  51                 exit(EXIT_FAILURE);
  52         }
  53     }
  54
  55     /* Initialize log, player, monster/item definitions and monsters/items. */
  56     world.log = calloc(1, sizeof(char));
  57     set_cleanup_flag(CLEANUP_LOG);
  58     update_log (&world, " ");
  59     struct Player player;
  60     player.hitpoints = 5;
  61     world.player = &player;
  62     world.monster = 0;
  63     world.item = 0;
  64     init_map_object_defs(&world, "defs");
  65
  66     /* For interactive mode, try to load world state from savefile. */
  67     FILE * file;
  68     if (1 == world.interactive && 0 == access("savefile", F_OK))
  69     {
  70         file = fopen("savefile", "r");
  71         world.seed = read_uint32_bigendian(file);
  72         world.turn = read_uint32_bigendian(file);
  73         player.pos.y = read_uint16_bigendian(file) - 1;
  74         player.pos.x = read_uint16_bigendian(file) - 1;
  75         player.hitpoints = fgetc(file);
  76         read_map_objects(&world, &world.monster, file);
  77         read_map_objects(&world, &world.item,    file);
  78         fclose(file);
  79     }
  80
  81     /* For non-interactive mode, try to load world state from record file. */
  82     else
  83     {
  84         world.turn = 1;
  85         if (0 == world.interactive)
  86         {
  87             file = fopen("record", "r");
  88             world.seed = read_uint32_bigendian(file);
  89         }
  90
  91       /* For interactive-mode in newly started world, generate a start seed
  92        * from the current time.
  93        */
  94       else
  95       {
  96           file = fopen("record", "w");
  97           world.seed = time(NULL);
  98           write_uint32_bigendian(world.seed, file);
  99           fclose(file);
 100       }
 101   }
 102
 103     /* Generate map from seed and, if newly generated world, start positions of
 104      * actors.
 105      */
 106     rrand_seed(world.seed);
 107     struct Map map = init_map();
 108     world.map = &map;
 109     set_cleanup_flag(CLEANUP_MAP);
 110     if (1 == world.turn)
 111     {
 112         player.pos = find_passable_pos(&map);
 113         void * foo;
 114         foo = build_map_objects(&world, &world.monster, 1, 1 + rrand() % 27);
 115         foo = build_map_objects(&world, foo, 2, 1 + rrand() % 9);
 116         build_map_objects(&world, foo, 3, 1 + rrand() % 3);
 117         foo = build_map_objects(&world, &world.item, 4, 1 + rrand() % 3);
 118         build_map_objects(&world, foo, 5, 1 + rrand() % 3);
 119     }
 120
 121     /* Initialize window system and windows. */
 122     WINDOW * screen = initscr();
 123     set_cleanup_flag(CLEANUP_NCURSES);
 124     noecho();
 125     curs_set(0);
 126     keypad(screen, TRUE);
 127     raw();
 128     init_keybindings(&world);
 129     set_cleanup_flag(CLEANUP_KEYBINDINGS);
 130     struct WinMeta win_meta = init_win_meta(screen);
 131     struct Win win_keys = init_win(&win_meta, "Keys",
 132                                    0, 29, &world, draw_keys_win);
 133     struct Win win_info = init_win(&win_meta, "Info",
 134                                    2, 20, &world, draw_info_win);
 135     uint16_t height_logwin = win_meta.padframe.size.y
 136                              - (2 + win_info.frame.size.y);
 137     struct Win win_log = init_win(&win_meta, "Log",
 138                                   height_logwin, 20, &world, draw_log_win);
 139     uint16_t width_mapwin = win_meta.padframe.size.x - win_keys.frame.size.x
 140                              - win_log.frame.size.x - 2;
 141     struct Win win_map = init_win(&win_meta, "Map",
 142                                   0, width_mapwin, &world, draw_map_win);
 143     toggle_window(&win_meta, &win_keys);
 144     toggle_window(&win_meta, &win_map);
 145     toggle_window(&win_meta, &win_info);
 146     toggle_window(&win_meta, &win_log);
 147
 148     /* Replay mode. */
 149     int key;
 150     unsigned char quit_called = 0;
 151     unsigned char await_actions = 1;
 152     if (0 == world.interactive)
 153     {
 154         int action;
 155         while (1)
 156         {
 157             if (start_turn == world.turn)
 158             {
 159                 start_turn = 0;
 160             }
 161             if (0 == start_turn)
 162             {
 163                 draw_all_wins (&win_meta);
 164                key = getch();
 165             }
 166             if (1 == await_actions
 167                 && (world.turn < start_turn
 168                     || key == get_action_key(world.keybindings,
 169                                              "wait / next turn")) )
 170             {
 171                 action = getc(file);
 172                 if (EOF == action)
 173                 {
 174                     start_turn = 0;
 175                     await_actions = 0;
 176                 }
 177                 else if (0 == action)
 178                 {
 179                     player_wait (&world);
 180                 }
 181                 else if (NORTH == action)
 182                 {
 183                     move_player(&world, NORTH);
 184                 }
 185                 else if (EAST  == action)
 186                 {
 187                     move_player(&world, EAST);
 188                 }
 189                 else if (SOUTH == action)
 190                 {
 191                     move_player(&world, SOUTH);
 192                 }
 193                 else if (WEST == action)
 194                 {
 195                     move_player(&world, WEST);
 196                 }
 197             }
 198             else
 199             {
 200                 quit_called = meta_keys(key, &world, &win_meta, &win_keys,
 201                                              &win_map, &win_info, &win_log);
 202                 if (1 == quit_called)
 203                 {
 204                     exit_game(&world);
 205                 }
 206             }
 207         }
 208     }
 209
 210     /* Interactive mode. */
 211     else
 212     {
 213         uint32_t last_turn = 0;
 214         while (1)
 215         {
 216             if (last_turn != world.turn)
 217             {
 218                 save_game(&world);
 219                 last_turn = world.turn;
 220             }
 221             if (1 == await_actions && 0 == player.hitpoints)
 222             {
 223                 await_actions = 0;
 224             }
 225             draw_all_wins (&win_meta);
 226             key = getch();
 227             if      (1 == await_actions
 228                      && key == get_action_key(world.keybindings,
 229                                               "player up"))
 230             {
 231                 move_player(&world, NORTH);
 232             }
 233             else if (1 == await_actions
 234                      && key == get_action_key(world.keybindings,
 235                                               "player right"))
 236             {
 237                 move_player(&world, EAST);
 238             }
 239             else if (1 == await_actions
 240                      && key == get_action_key(world.keybindings,
 241                                               "player down"))
 242             {
 243                 move_player(&world, SOUTH);
 244             }
 245             else if (1 == await_actions
 246                      && key == get_action_key(world.keybindings,
 247                                               "player left"))
 248             {
 249                 move_player(&world, WEST);
 250             }
 251             else if (1 == await_actions
 252                      && key == get_action_key(world.keybindings,
 253                                               "wait / next turn"))
 254             {
 255                 player_wait (&world);
 256             }
 257             else
 258             {
 259                 quit_called = meta_keys(key, &world, &win_meta, &win_keys,
 260                                              &win_map, &win_info, &win_log);
 261                 if (1 == quit_called)
 262                 {
 263                     exit_game(&world);
 264                 }
 265             }
 266         }
 267     }
 268 }