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Fixed bug that led to endless loop in nearest_enemy_dir().
[plomrogue] / src / main.c
index 1f9d7f7b89c01ee591f8ce911433f9238f323be8..c9e468bbe3aab0d339792f61d66983d0bb6c42b6 100644 (file)
@@ -1,66 +1,61 @@
 /* main.c */
 
-#include "main.h"
-#include <stdlib.h> /* for atoi(), exit(), EXIT_FAILURE, calloc() */
-#include <stdio.h> /* for FILE typedef, F_OK, rename() */
-#include <ncurses.h> /* for initscr(), noecho(), curs_set(), keypad(), raw() */
+#include "main.h" /* for world global */
+#include <stdlib.h> /* for atoi(), exit(), EXIT_FAILURE */
+#include <stdio.h> /* for FILE typedef, F_OK */
+#include <ncurses.h> /* for noecho(), curs_set(), keypad(), raw() */
 #include <time.h> /* for time() */
-#include <unistd.h> /* for unlink(), getopt(), optarg */
-#include <stdint.h> /* for uint8_t */
-#include <errno.h> /* for errno */
-#include "windows.h" /* for structs WinMeta, Win, init_win(), init_win_meta(),
+#include <unistd.h> /* for getopt(), optarg */
+#include <stdint.h> /* for uint32_t */
+#include "windows.h" /* for structs WinMeta, Win, init_win_meta(),
                       * draw_all_wins()
                       */
-#include "draw_wins.h" /* for draw_keys_win(), draw_map_win(), draw_info_win(),
-                        * draw_log_win()
+#include "readwrite.h" /* for try_fgetc(), read_uint32_bigendian(),
+                        * write_uint32_bigendian(), try_fopen(), try_fclose(),
+                        * try_fclose_unlink_rename(), try_fgetc_noeof(),
                         */
-#include "keybindings.h" /* for initkeybindings(), get_action_key() */
-#include "readwrite.h" /* for [read/write]_uint[8/16/32][_bigendian]() */
-#include "map_objects.h" /* for structs Monster, Item, Player,
-                          * init_map_object_defs(), read_map_objects(),
-                          * build_map_objects()
+#include "map_objects.h" /* for structs MapObj, init_map_object_defs(),
+                          * add_map_objects(), get_player()
                           */
-#include "map_object_actions.h" /* for player_wait(), move_player() */
 #include "map.h" /* for struct Map, init_map() */
-#include "misc.h" /* for update_log(), toggle_window(), find_passable_pos(),
-                   * meta_keys(), save_game()
+#include "misc.h" /* for update_log(), save_game(), try_calloc(), load_game(),
+                   * check_tempfile(), check_files_xor(), load_interface_conf(),
+                   * rrand()
                    */
-#include "yx_uint16.h" /* for dir enum */
-#include "rrand.h" /* for rrand(), rrand_seed() */
+#include "wincontrol.h" /* get_win_by_id(), get_winconf_by_win() */
 #include "rexit.h" /* for exit_game() */
+#include "command_db.h" /* for init_command_db(), is_command_id_shortdsc() */
+#include "control.h" /* for control_by_id(), player_control(),
+                      * get_available_keycode_to_action()
+                      */
+#include "map_object_actions.h" /* for init_map_object_actions() */
+
+
 
 int main(int argc, char *argv[])
 {
-    struct World world;
+    char * f_name = "main()";
+    world.turn = 0;        /* Turns to 1 when map and objects are initalized. */
+
+    /* Initialize commands and map object actions. */
+    init_command_db();
+    set_cleanup_flag(CLEANUP_COMMAND_DB);
+    init_map_object_actions();
+    set_cleanup_flag(CLEANUP_MAP_OBJECT_ACTS);
+
+    /* Check for corrupted savefile / recordfile savings. */
     char * recordfile = "record";
     char * savefile = "savefile";
-    char * err_x = "A file 'record' exists, but no 'savefile'. If everything "
-                   "was in order, both or none would exist. I won't start "
-                   "until this is corrected.";
-    if (!access(recordfile, F_OK) && access(savefile, F_OK))
-    {
-        errno = 0;
-        exit_err(1, &world, err_x);
-    }
-    err_x        = "A 'savefile' exists, but no file 'record'. If everything "
-                   "was in order, both or none would exist. I won't start "
-                   "until this is corrected.";
-
-    if (!access(savefile, F_OK) && access(recordfile, F_OK))
-    {
-        errno = 0;
-        exit_err(1, &world, err_x);
-    }
     char * recordfile_tmp = "record_tmp";
     char * savefile_tmp   = "savefile_tmp";
-    err_x        = "A file 'recordfile_tmp' exists, probably from a corrupted "
-                   "previous record saving process. To avoid game record "
-                   "corruption, I won't start until it is removed or renamed.";
-    exit_err(!access(recordfile_tmp, F_OK), &world, err_x);
-    err_x        = "A file 'savefile_tmp' exists, probably from a corrupted "
-                   "previous game saving process. To avoid savegame "
-                   "corruption, I won't start until it is removed or renamed.";
-    exit_err(!access(savefile_tmp,   F_OK), &world, err_x);
+    check_files_xor(savefile, recordfile);
+    check_tempfile(recordfile_tmp);
+    check_tempfile(savefile_tmp);
+    check_tempfile("config/windows/Win_tmp_k");
+    check_tempfile("config/windows/Win_tmp_m");
+    check_tempfile("config/windows/Win_tmp_i");
+    check_tempfile("config/windows/Win_tmp_l");
+    check_tempfile("config/windows/toggle_order_tmp");
 
     /* Read in startup options (i.e. replay option and replay start turn). */
     int opt;
@@ -71,68 +66,46 @@ int main(int argc, char *argv[])
         switch (opt)
         {
             case 's':
+            {
                 world.interactive = 0;
                 start_turn = 0;
                 if (optarg)
+                {
                     start_turn = atoi(optarg);
-                 break;
+                }
+                break;
+            }
             default:
+            {
                 exit(EXIT_FAILURE);
+            }
         }
     }
 
-    /* Initialize log, player, monster/item definitions and monsters/items. */
-    world.log = calloc(1, sizeof(char));
+    /* Initialize log and map object definitions. */
+    world.score = 0;
+    world.log = try_calloc(1, sizeof(char), f_name);
     set_cleanup_flag(CLEANUP_LOG);
-    update_log (&world, " ");
-    struct Player player;
-    player.hitpoints = 5;
-    world.player = &player;
-    world.monster = 0;
-    world.item = 0;
-    init_map_object_defs(&world, "defs");
+    update_log(" ");
+    init_map_object_defs("config/defs");
+    set_cleanup_flag(CLEANUP_MAP_OBJECT_DEFS);
+    world.map_obj_count = 0;
 
     /* For interactive mode, try to load world state from savefile. */
-    char * err_o = "Trouble loading game (fopen() in main()) / "
-                   "opening 'savefile' for reading.";
-    char * err_r = "Trouble loading game (in main()) / "
-                   "reading from opened 'savefile'.";
-    char * err_c = "Trouble loading game (fclose() in main()) / "
-                   "closing opened 'savefile'.";
     FILE * file;
     if (1 == world.interactive && 0 == access(savefile, F_OK))
     {
-        file = fopen(savefile, "r");
-        exit_err(0 == file, &world, err_o);
-        if (   read_uint32_bigendian(file, &world.seed)
-            || read_uint32_bigendian(file, &world.turn)
-            || read_uint16_bigendian(file, &world.score)
-            || read_uint16_bigendian(file, &player.pos.y)
-            || read_uint16_bigendian(file, &player.pos.x)
-            || read_uint8(file, &player.hitpoints)
-            || read_map_objects(&world, &world.monster, file)
-            || read_map_objects(&world, &world.item,    file))
-        {
-            exit_err(1, &world, err_r);
-        }
-        exit_err(fclose(file), &world, err_c);
-        player.pos.y--;
-        player.pos.x--;
+        load_game();
+        set_cleanup_flag(CLEANUP_MAP_OBJECTS);
     }
 
     /* For non-interactive mode, try to load world state from record file. */
     else
     {
-        err_o = "Trouble loading record file (fopen() in main()) / "
-                "opening file 'record' for reading.";
-        err_r = "Trouble loading record file (read_uint32_bigendian() in "
-                "main()) / reading from opened file 'record'.";
-        world.turn = 1;
         if (0 == world.interactive)
         {
-            file = fopen(recordfile, "r");
-            exit_err(NULL == file, &world, err_o);
-            exit_err(read_uint32_bigendian(file, &world.seed), &world, err_r);
+            file = try_fopen(recordfile, "r", f_name);
+            world.seed = read_uint32_bigendian(file);
         }
 
         /* For interactive-mode in newly started world, generate a start seed
@@ -141,193 +114,126 @@ int main(int argc, char *argv[])
         else
         {
             world.seed = time(NULL);
-            world.score = 0;
-
-            err_o        = "Trouble recording new seed (fopen() in main()) / "
-                           "opening 'record_tmp' file for writing.";
-            char * err_w = "Trouble recording new seed "
-                           "(write_uint32_bigendian() in main()) / writing to "
-                           "opened file 'record_tmp'.";
-            err_c        = "Trouble recording new seed (fclose() in main()) / "
-                           "closing opened file 'record_tmp'.";
-            char * err_m = "Trouble recording new seed (rename() in main()) : "
-                           "renaming file 'record_tmp' to 'record'.";
-            file = fopen(recordfile_tmp, "w");
-            exit_err(0 == file, &world, err_o);
-            exit_err(write_uint32_bigendian(world.seed, file), &world, err_w);
-            exit_err(fclose(file), &world, err_c);
-            exit_err(rename(recordfile_tmp, recordfile), &world, err_m);
+            file = try_fopen(recordfile_tmp, "w", f_name);
+            write_uint32_bigendian(world.seed, file);
+            try_fclose_unlink_rename(file, recordfile_tmp, recordfile, f_name);
         }
+        world.mapseed = world.seed;
     }
 
-
     /* Generate map from seed and, if newly generated world, start positions of
      * actors.
      */
-    rrand_seed(world.seed);
+    uint32_t restore_seed = world.seed;
+    world.seed = world.mapseed;
     struct Map map = init_map();
     world.map = &map;
     set_cleanup_flag(CLEANUP_MAP);
-    if (1 == world.turn)
+    if (0 == world.turn)
     {
-        player.pos = find_passable_pos(world.map);
-        void * foo;
-        foo = build_map_objects(&world, &world.monster, 1, 1 + rrand() % 27);
-        foo = build_map_objects(&world, foo, 2, 1 + rrand() % 9);
-        build_map_objects(&world, foo, 3, 1 + rrand() % 3);
-        foo = build_map_objects(&world, &world.item, 4, 1 + rrand() % 3);
-        build_map_objects(&world, foo, 5, 1 + rrand() % 3);
+        world.map_objs = NULL;
+        add_map_objects(0, 1);
+        add_map_objects(1, 1 + rrand() % 27);
+        add_map_objects(2, 1 + rrand() % 9);
+        add_map_objects(3, 1 + rrand() % 3);
+        add_map_objects(4, 1 + rrand() % 3);
+        add_map_objects(5, 1 + rrand() % 3);
+        set_cleanup_flag(CLEANUP_MAP_OBJECTS);
+        world.turn = 1;
     }
+    world.seed = restore_seed;
 
     /* Initialize window system and windows. */
-    WINDOW * screen = initscr();
+    init_win_meta();
     set_cleanup_flag(CLEANUP_NCURSES);
     noecho();
     curs_set(0);
-    keypad(screen, TRUE);
+    keypad(world.wmeta->screen, TRUE);
     raw();
-    init_keybindings(&world);
-    set_cleanup_flag(CLEANUP_KEYBINDINGS);
-    struct WinMeta win_meta;
-    char * err_winmem = "Trouble with init_win() or draw_all_wins() in main().";
-    exit_err(init_win_meta(screen, &win_meta), &world, err_winmem);
-    struct Win win_keys = init_win(&win_meta, "Keys",
-                                   0, 29, &world, draw_keys_win);
-    struct Win win_info = init_win(&win_meta, "Info",
-                                   3, 20, &world, draw_info_win);
-    uint16_t height_logwin = win_meta.padframe.size.y
-                             - (2 + win_info.frame.size.y);
-    struct Win win_log = init_win(&win_meta, "Log",
-                                  height_logwin, 20, &world, draw_log_win);
-    uint16_t width_mapwin = win_meta.padframe.size.x - win_keys.frame.size.x
-                             - win_log.frame.size.x - 2;
-    struct Win win_map = init_win(&win_meta, "Map",
-                                  0, width_mapwin, &world, draw_map_win);
-    toggle_window(&win_meta, &win_keys);
-    toggle_window(&win_meta, &win_map);
-    toggle_window(&win_meta, &win_info);
-    toggle_window(&win_meta, &win_log);
+    load_interface_conf();
+    set_cleanup_flag(CLEANUP_INTERFACE);
+
+    /* Focus map on player. */
+    struct MapObj * player = get_player();
+    struct Win * win_map = get_win_by_id('m');
+    win_map->center = player->pos;
+
+    /* Initialize player's inventory selection index to start position. */
+    world.inventory_sel = 0;
 
     /* Replay mode. */
     int key;
-    uint8_t quit_called = 0;
-    uint8_t await_actions = 1;
+    struct WinConf * wc;
     if (0 == world.interactive)
     {
-        int action;
-        while (1)
+        int action = 0;
+        if (0 != start_turn)
         {
-            if (start_turn == world.turn)
-            {
-                start_turn = 0;
-            }
-            if (0 == start_turn)
-            {
-                exit_err(draw_all_wins(&win_meta), &world, err_winmem);
-                key = getch();
-            }
-            if (1 == await_actions
-                && (world.turn < start_turn
-                    || key == get_action_key(world.keybindings,
-                                             "wait / next turn")) )
+            while (world.turn != start_turn)
             {
-                action = getc(file);
+                action = try_fgetc(file, f_name);
                 if (EOF == action)
                 {
-                    start_turn = 0;
-                    await_actions = 0;
+                    break;
                 }
-                else if (0 == action)
+                if (   is_command_id_shortdsc(action, "drop")
+                    || is_command_id_shortdsc(action, "use"))
                 {
-                    player_wait (&world);
-                }
-                else if (NORTH == action)
-                {
-                    move_player(&world, NORTH);
-                }
-                else if (EAST  == action)
-                {
-                    move_player(&world, EAST);
-                }
-                else if (SOUTH == action)
-                {
-                    move_player(&world, SOUTH);
-                }
-                else if (WEST == action)
-                {
-                    move_player(&world, WEST);
+                    world.inventory_sel = try_fgetc_noeof(file, f_name);
                 }
+                player_control_by_id(action);
             }
-            else
+        }
+        while (1)
+        {
+            draw_all_wins();
+            key = getch();
+            wc = get_winconf_by_win(world.wmeta->active);
+            if  (   (1 == wc->view && wingeom_control(key))
+                 || (2 == wc->view && winkeyb_control(key)))
             {
-                quit_called = meta_keys(key, &world, &win_meta, &win_keys,
-                                             &win_map, &win_info, &win_log);
-                if (1 == quit_called)
+                continue;
+            }
+            if (   EOF != action
+                && key == get_available_keycode_to_action("wait"))
+            {
+                action = try_fgetc(file, f_name);
+                if (EOF != action)
                 {
-                    err_c = "Trouble closing 'record' file (fclose() in "
-                            "main()).";
-                    exit_err(fclose(file), &world, err_c);
-                    exit_game(&world);
+                    if (   is_command_id_shortdsc(action, "drop")
+                        || is_command_id_shortdsc(action, "use"))
+                    {
+                        world.inventory_sel = try_fgetc_noeof(file, f_name);
+                    }
+                    player_control_by_id(action);
                 }
             }
+            else if (meta_control(key))
+            {
+                try_fclose(file, f_name);
+                exit_game();
+            }
         }
     }
 
     /* Interactive mode. */
     else
     {
-        uint32_t last_turn = 0;
         while (1)
         {
-            if (last_turn != world.turn)
-            {
-                save_game(&world);
-                last_turn = world.turn;
-            }
-            if (1 == await_actions && 0 == player.hitpoints)
-            {
-                await_actions = 0;
-            }
-            draw_all_wins (&win_meta);
+            save_game();
+            draw_all_wins();
             key = getch();
-            if      (1 == await_actions
-                     && key == get_action_key(world.keybindings,
-                                              "player up"))
-            {
-                move_player(&world, NORTH);
-            }
-            else if (1 == await_actions
-                     && key == get_action_key(world.keybindings,
-                                              "player right"))
+            wc = get_winconf_by_win(world.wmeta->active);
+            if  (   (1 == wc->view && wingeom_control(key))
+                 || (2 == wc->view && winkeyb_control(key))
+                 || (0 != player->lifepoints && player_control_by_key(key)))
             {
-                move_player(&world, EAST);
+                continue;
             }
-            else if (1 == await_actions
-                     && key == get_action_key(world.keybindings,
-                                              "player down"))
+            if (meta_control(key))
             {
-                move_player(&world, SOUTH);
-            }
-            else if (1 == await_actions
-                     && key == get_action_key(world.keybindings,
-                                              "player left"))
-            {
-                move_player(&world, WEST);
-            }
-            else if (1 == await_actions
-                     && 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)
-                {
-                    exit_game(&world);
-                }
+                exit_game();
             }
         }
     }