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                           * read_map_objects_monsterdata,
  22                           * read_map_objects_itemdata, build_map_objects()
  23                           */
  24 #include "map_object_actions.h" /* for player_wait(), move_player() */
  25 #include "map.h" /* for struct Map, init_map() */
  26 #include "misc.h" /* for update_log(), toggle_window(), exit_game(),
  27                    * find_passable_pos(), meta_keys(), save_game()
  28                    */
  29 #include "yx_uint16.h" /* for dir enum */
  30 #include "rrand.h" /* for rrand(), rrand_seed() */
  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     update_log (&world, " ");
  58     struct Player player;
  59     player.hitpoints = 5;
  60     world.player = &player;
  61     world.monster = 0;
  62     world.item = 0;
  63     init_map_object_defs(&world, "defs");
  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         world.seed = read_uint32_bigendian(file);
  71         world.turn = read_uint32_bigendian(file);
  72         player.pos.y = read_uint16_bigendian(file) - 1;
  73         player.pos.x = read_uint16_bigendian(file) - 1;
  74         player.hitpoints = fgetc(file);
  75         read_map_objects(&world.monster, file, sizeof(struct Monster),
  76                           read_map_objects_monsterdata);
  77         read_map_objects(&world.item,    file, sizeof(struct Item), NULL);
  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     if (1 == world.turn)
 110     {
 111         player.pos = find_passable_pos(&map);
 112         void * foo = build_map_objects(&world, &world.monster,
 113                                        0, 1 + rrand() % 27,
 114                                        sizeof(struct Monster),
 115                                        build_map_objects_monsterdata);
 116         foo = build_map_objects(&world, foo, 1, 1 + rrand() % 9,
 117                                 sizeof(struct Monster),
 118                                 build_map_objects_monsterdata);
 119         build_map_objects(&world, foo, 2, 1 + rrand() % 3,
 120                           sizeof(struct Monster),
 121                           build_map_objects_monsterdata);
 122         foo = build_map_objects(&world, &world.item, 3, 1 + rrand() % 3,
 123                                 sizeof(struct Item),
 124                                 build_map_objects_itemdata);
 125         build_map_objects(&world, foo, 4, 1 + rrand() % 3,
 126                           sizeof(struct Item), build_map_objects_itemdata);
 127     }
 128
 129     /* Initialize window system and windows. */
 130     WINDOW * screen = initscr();
 131     noecho();
 132     curs_set(0);
 133     keypad(screen, TRUE);
 134     raw();
 135     init_keybindings(&world);
 136     struct WinMeta win_meta = init_win_meta(screen);
 137     struct Win win_keys = init_win(&win_meta, "Keys", 0, 29, &world, draw_keys_win);
 138     struct Win win_info = init_win(&win_meta, "Info", 2, 20, &world, draw_info_win);
 139     uint16_t height_logwin  = win_meta.padframe.size.y - (2 + win_info.frame.size.y);
 140     struct Win win_log = init_win(&win_meta, "Log",
 141                                   height_logwin, 20, &world, draw_log_win);
 142     uint16_t width_mapwin = win_meta.padframe.size.x - win_keys.frame.size.x
 143                              - win_log.frame.size.x - 2;
 144     struct Win win_map = init_win(&win_meta, "Map",
 145                                   0, width_mapwin, &world, draw_map_win);
 146     toggle_window(&win_meta, &win_keys);
 147     toggle_window(&win_meta, &win_map);
 148     toggle_window(&win_meta, &win_info);
 149     toggle_window(&win_meta, &win_log);
 150
 151     /* Replay mode. */
 152     int key;
 153     unsigned char quit_called = 0;
 154     unsigned char await_actions = 1;
 155     if (0 == world.interactive)
 156     {
 157         int action;
 158         while (1)
 159         {
 160             if (start_turn == world.turn)
 161             {
 162                 start_turn = 0;
 163             }
 164             if (0 == start_turn)
 165             {
 166                 draw_all_wins (&win_meta);
 167                key = getch();
 168             }
 169             if (1 == await_actions
 170                 && (world.turn < start_turn
 171                     || key == get_action_key(world.keybindings,
 172                                              "wait / next turn")) )
 173             {
 174                 action = getc(file);
 175                 if (EOF == action)
 176                 {
 177                     start_turn = 0;
 178                     await_actions = 0;
 179                 }
 180                 else if (0 == action)
 181                 {
 182                     player_wait (&world);
 183                 }
 184                 else if (NORTH == action)
 185                 {
 186                     move_player(&world, NORTH);
 187                 }
 188                 else if (EAST  == action)
 189                 {
 190                     move_player(&world, EAST);
 191                 }
 192                 else if (SOUTH == action)
 193                 {
 194                     move_player(&world, SOUTH);
 195                 }
 196                 else if (WEST == action)
 197                 {
 198                     move_player(&world, WEST);
 199                 }
 200             }
 201             else
 202             {
 203                 quit_called = meta_keys(key, &world, &win_meta, &win_keys,
 204                                              &win_map, &win_info, &win_log);
 205                 if (1 == quit_called)
 206                 {
 207                     exit_game(&world, &map);
 208                 }
 209             }
 210         }
 211     }
 212
 213     /* Interactive mode. */
 214     else
 215     {
 216         uint32_t last_turn = 0;
 217         while (1)
 218         {
 219             if (last_turn != world.turn)
 220             {
 221                 save_game(&world);
 222                 last_turn = world.turn;
 223             }
 224             if (1 == await_actions && 0 == player.hitpoints)
 225             {
 226                 await_actions = 0;
 227             }
 228             draw_all_wins (&win_meta);
 229             key = getch();
 230             if      (1 == await_actions
 231                      && key == get_action_key(world.keybindings,
 232                                               "player up"))
 233             {
 234                 move_player(&world, NORTH);
 235             }
 236             else if (1 == await_actions
 237                      && key == get_action_key(world.keybindings,
 238                                               "player right"))
 239             {
 240                 move_player(&world, EAST);
 241             }
 242             else if (1 == await_actions
 243                      && key == get_action_key(world.keybindings,
 244                                               "player down"))
 245             {
 246                 move_player(&world, SOUTH);
 247             }
 248             else if (1 == await_actions
 249                      && key == get_action_key(world.keybindings,
 250                                               "player left"))
 251             {
 252                 move_player(&world, WEST);
 253             }
 254             else if (1 == await_actions
 255                      && key == get_action_key(world.keybindings,
 256                                               "wait / next turn"))
 257             {
 258                 player_wait (&world);
 259             }
 260             else
 261             {
 262                 quit_called = meta_keys(key, &world, &win_meta, &win_keys,
 263                                              &win_map, &win_info, &win_log);
 264                 if (1 == quit_called)
 265                 {
 266                     exit_game(&world, &map);
 267                 }
 268             }
 269         }
 270     }
 271 }