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/write]_uint[8/16/32][_bigendian]() */
  17 #include "map_objects.h" /* for structs Monster, Item, Player,
  18                           * init_map_object_defs(), read_map_objects(),
  19                           * build_map_objects()
  20                           */
  21 #include "map_object_actions.h" /* for player_wait(), move_player() */
  22 #include "map.h" /* for struct Map, init_map() */
  23 #include "misc.h" /* for update_log(), toggle_window(), find_passable_pos(),
  24                    * meta_keys(), save_game()
  25                    */
  26 #include "yx_uint16.h" /* for dir enum */
  27 #include "rrand.h" /* for rrand(), rrand_seed() */
  28 #include "rexit.h" /* for exit_game() */
  29
  30 int main(int argc, char *argv[])
  31 {
  32     struct World world;
  33
  34     /* Read in startup options (i.e. replay option and replay start turn). */
  35     int opt;
  36     uint32_t start_turn;
  37     world.interactive = 1;
  38     while ((opt = getopt(argc, argv, "s::")) != -1)
  39     {
  40         switch (opt)
  41         {
  42             case 's':
  43                 world.interactive = 0;
  44                 start_turn = 0;
  45                 if (optarg)
  46                     start_turn = atoi(optarg);
  47                  break;
  48             default:
  49                 exit(EXIT_FAILURE);
  50         }
  51     }
  52
  53     /* Initialize log, player, monster/item definitions and monsters/items. */
  54     world.log = calloc(1, sizeof(char));
  55     set_cleanup_flag(CLEANUP_LOG);
  56     update_log (&world, " ");
  57     struct Player player;
  58     player.hitpoints = 5;
  59     world.player = &player;
  60     world.monster = 0;
  61     world.item = 0;
  62     init_map_object_defs(&world, "defs");
  63     uint8_t fail = 0;
  64
  65     /* For interactive mode, try to load world state from savefile. */
  66     FILE * file;
  67     if (1 == world.interactive && 0 == access("savefile", F_OK))
  68     {
  69         file = fopen("savefile", "r");
  70         fail = fail | read_uint32_bigendian(file, &world.seed);
  71         fail = fail | read_uint32_bigendian(file, &world.turn);
  72         fail = fail | read_uint16_bigendian(file, &player.pos.y);
  73         fail = fail | read_uint16_bigendian(file, &player.pos.x);
  74         player.pos.y--;
  75         player.pos.x--;
  76         fail = fail | read_uint8(file, &player.hitpoints);
  77         fail = fail | read_map_objects(&world, &world.monster, file);
  78         fail = fail | read_map_objects(&world, &world.item,    file);
  79         fclose(file);
  80     }
  81
  82     /* For non-interactive mode, try to load world state from record file. */
  83     else
  84     {
  85         world.turn = 1;
  86         if (0 == world.interactive)
  87         {
  88             file = fopen("record", "r");
  89             fail = fail | read_uint32_bigendian(file, &world.seed);
  90         }
  91
  92         /* For interactive-mode in newly started world, generate a start seed
  93          * from the current time.
  94          */
  95         else
  96         {
  97             file = fopen("record", "w");
  98             world.seed = time(NULL);
  99             fail = fail | write_uint32_bigendian(world.seed, file);
 100             fclose(file);
 101         }
 102     }
 103
 104     exit_err(fail, &world, "Failure initializing game.");
 105
 106
 107     /* Generate map from seed and, if newly generated world, start positions of
 108      * actors.
 109      */
 110     rrand_seed(world.seed);
 111     struct Map map = init_map();
 112     world.map = &map;
 113     set_cleanup_flag(CLEANUP_MAP);
 114     if (1 == world.turn)
 115     {
 116         player.pos = find_passable_pos(world.map);
 117         void * foo;
 118         foo = build_map_objects(&world, &world.monster, 1, 1 + rrand() % 27);
 119         foo = build_map_objects(&world, foo, 2, 1 + rrand() % 9);
 120         build_map_objects(&world, foo, 3, 1 + rrand() % 3);
 121         foo = build_map_objects(&world, &world.item, 4, 1 + rrand() % 3);
 122         build_map_objects(&world, foo, 5, 1 + rrand() % 3);
 123     }
 124
 125     /* Initialize window system and windows. */
 126     WINDOW * screen = initscr();
 127     set_cleanup_flag(CLEANUP_NCURSES);
 128     noecho();
 129     curs_set(0);
 130     keypad(screen, TRUE);
 131     raw();
 132     init_keybindings(&world);
 133     set_cleanup_flag(CLEANUP_KEYBINDINGS);
 134     struct WinMeta win_meta = init_win_meta(screen);
 135     struct Win win_keys = init_win(&win_meta, "Keys",
 136                                    0, 29, &world, draw_keys_win);
 137     struct Win win_info = init_win(&win_meta, "Info",
 138                                    2, 20, &world, draw_info_win);
 139     uint16_t height_logwin = win_meta.padframe.size.y
 140                              - (2 + win_info.frame.size.y);
 141     struct Win win_log = init_win(&win_meta, "Log",
 142                                   height_logwin, 20, &world, draw_log_win);
 143     uint16_t width_mapwin = win_meta.padframe.size.x - win_keys.frame.size.x
 144                              - win_log.frame.size.x - 2;
 145     struct Win win_map = init_win(&win_meta, "Map",
 146                                   0, width_mapwin, &world, draw_map_win);
 147     toggle_window(&win_meta, &win_keys);
 148     toggle_window(&win_meta, &win_map);
 149     toggle_window(&win_meta, &win_info);
 150     toggle_window(&win_meta, &win_log);
 151
 152     /* Replay mode. */
 153     int key;
 154     unsigned char quit_called = 0;
 155     unsigned char await_actions = 1;
 156     if (0 == world.interactive)
 157     {
 158         int action;
 159         while (1)
 160         {
 161             if (start_turn == world.turn)
 162             {
 163                 start_turn = 0;
 164             }
 165             if (0 == start_turn)
 166             {
 167                 draw_all_wins (&win_meta);
 168                key = getch();
 169             }
 170             if (1 == await_actions
 171                 && (world.turn < start_turn
 172                     || key == get_action_key(world.keybindings,
 173                                              "wait / next turn")) )
 174             {
 175                 action = getc(file);
 176                 if (EOF == action)
 177                 {
 178                     start_turn = 0;
 179                     await_actions = 0;
 180                 }
 181                 else if (0 == action)
 182                 {
 183                     player_wait (&world);
 184                 }
 185                 else if (NORTH == action)
 186                 {
 187                     move_player(&world, NORTH);
 188                 }
 189                 else if (EAST  == action)
 190                 {
 191                     move_player(&world, EAST);
 192                 }
 193                 else if (SOUTH == action)
 194                 {
 195                     move_player(&world, SOUTH);
 196                 }
 197                 else if (WEST == action)
 198                 {
 199                     move_player(&world, WEST);
 200                 }
 201             }
 202             else
 203             {
 204                 quit_called = meta_keys(key, &world, &win_meta, &win_keys,
 205                                              &win_map, &win_info, &win_log);
 206                 if (1 == quit_called)
 207                 {
 208                     exit_game(&world);
 209                 }
 210             }
 211         }
 212     }
 213
 214     /* Interactive mode. */
 215     else
 216     {
 217         uint32_t last_turn = 0;
 218         while (1)
 219         {
 220             if (last_turn != world.turn)
 221             {
 222                 save_game(&world);
 223                 last_turn = world.turn;
 224             }
 225             if (1 == await_actions && 0 == player.hitpoints)
 226             {
 227                 await_actions = 0;
 228             }
 229             draw_all_wins (&win_meta);
 230             key = getch();
 231             if      (1 == await_actions
 232                      && key == get_action_key(world.keybindings,
 233                                               "player up"))
 234             {
 235                 move_player(&world, NORTH);
 236             }
 237             else if (1 == await_actions
 238                      && key == get_action_key(world.keybindings,
 239                                               "player right"))
 240             {
 241                 move_player(&world, EAST);
 242             }
 243             else if (1 == await_actions
 244                      && key == get_action_key(world.keybindings,
 245                                               "player down"))
 246             {
 247                 move_player(&world, SOUTH);
 248             }
 249             else if (1 == await_actions
 250                      && key == get_action_key(world.keybindings,
 251                                               "player left"))
 252             {
 253                 move_player(&world, WEST);
 254             }
 255             else if (1 == await_actions
 256                      && key == get_action_key(world.keybindings,
 257                                               "wait / next turn"))
 258             {
 259                 player_wait (&world);
 260             }
 261             else
 262             {
 263                 quit_called = meta_keys(key, &world, &win_meta, &win_keys,
 264                                              &win_map, &win_info, &win_log);
 265                 if (1 == quit_called)
 266                 {
 267                     exit_game(&world);
 268                 }
 269             }
 270         }
 271     }
 272 }