+/* main.c */
+
#include "main.h"
-#include <stdlib.h>
-#include <ncurses.h>
-#include <time.h>
-#include <unistd.h>
-#include "windows.h"
-#include "draw_wins.h"
-#include "keybindings.h"
-#include "readwrite.h"
-#include "map_objects.h"
-#include "map_object_actions.h"
-#include "map.h"
-#include "misc.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 <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(),
+ * draw_all_wins()
+ */
+#include "draw_wins.h" /* for draw_keys_win(), draw_map_win(), draw_info_win(),
+ * draw_log_win()
+ */
+#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_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 "yx_uint16.h" /* for dir enum */
+#include "rrand.h" /* for rrand(), rrand_seed() */
+#include "rexit.h" /* for exit_game() */
+
+int main(int argc, char *argv[])
+{
+ struct World world;
+ 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);
-int main (int argc, char *argv[]) {
- struct World world;
+ /* Read in startup options (i.e. replay option and replay start turn). */
+ int opt;
+ uint32_t start_turn;
+ world.interactive = 1;
+ 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);
+ }
+ }
- // Read in startup options (i.e. replay option and replay start turn).
- int opt;
- uint32_t start_turn;
- world.interactive = 1;
- 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); } }
+ /* Initialize log, player, monster/item definitions and monsters/items. */
+ world.log = calloc(1, sizeof(char));
+ 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");
- // Initialize log, player, monster/item definitions and monsters/items.
- world.log = calloc(1, sizeof(char));
- update_log (&world, " ");
- struct Player player;
- player.hitpoints = 5;
- world.player = &player;
- world.monster = 0;
- world.item = 0;
- init_map_object_defs(&world, "defs");
+ /* 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--;
+ }
- // For interactive mode, try to load world state from savefile.
- FILE * file;
- if (1 == world.interactive && 0 == access("savefile", F_OK)) {
- file = fopen("savefile", "r");
- world.seed = read_uint32_bigendian(file);
- world.turn = read_uint32_bigendian(file);
- player.pos.y = read_uint16_bigendian(file) - 1;
- player.pos.x = read_uint16_bigendian(file) - 1;
- player.hitpoints = fgetc(file);
- read_map_objects (&world.monster, file, sizeof(struct Monster), read_map_objects_monsterdata);
- read_map_objects (&world.item, file, sizeof(struct Item), NULL);
- fclose(file); }
+ /* 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(0 == file, &world, err_o);
+ exit_err(read_uint32_bigendian(file, &world.seed), &world, err_r);
+ }
- // For non-interactive mode, try to load world state from record file.
- else {
- world.turn = 1;
- if (0 == world.interactive) {
- file = fopen("record", "r");
- world.seed = read_uint32_bigendian(file); }
+ /* For interactive-mode in newly started world, generate a start seed
+ * from the current time.
+ */
+ else
+ {
+ world.seed = time(NULL);
+ world.score = 0;
- // For interactive-mode in newly started world, generate a start seed from the current time.
- else {
- file = fopen("record", "w");
- world.seed = time(NULL);
- write_uint32_bigendian(world.seed, file);
- fclose(file); } }
+ 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);
+ }
+ }
- // Generate map from seed and, if newly generated world, start positions of actors.
- rrand(1, world.seed);
- struct Map map = init_map();
- world.map = ↦
- if (1 == world.turn) {
- player.pos = find_passable_pos(&map);
- void * foo = build_map_objects (&world, &world.monster, 0, 1 + rrand(0,0) % 27, sizeof(struct Monster),
- build_map_objects_monsterdata);
- foo = build_map_objects (&world, foo, 1, 1 + rrand(0,0) % 9, sizeof(struct Monster),
- build_map_objects_monsterdata);
- build_map_objects (&world, foo, 2, 1 + rrand(0,0) % 3, sizeof(struct Monster),
- build_map_objects_monsterdata);
- foo = build_map_objects (&world, &world.item, 3, 1 + rrand(0,0) % 3, sizeof(struct Item),
- build_map_objects_itemdata);
- build_map_objects (&world, foo, 4, 1 + rrand(0,0) % 3, sizeof(struct Item), build_map_objects_itemdata); }
- // Initialize window system and windows.
- WINDOW * screen = initscr();
- noecho();
- curs_set(0);
- keypad(screen, TRUE);
- raw();
- init_keybindings(&world);
- struct WinMeta win_meta = init_win_meta(screen);
- struct Win win_keys = init_win(&win_meta, "Keys", &world, draw_keys_win);
- struct Win win_map = init_win(&win_meta, "Map", &world, draw_map_win);
- struct Win win_info = init_win(&win_meta, "Info", &world, draw_info_win);
- struct Win win_log = init_win(&win_meta, "Log", &world, draw_log_win);
- win_keys.frame.size.x = 29;
- win_map.frame.size.x = win_meta.pad.size.x - win_keys.frame.size.x - win_log.frame.size.x - 2;
- win_info.frame.size.y = 2;
- win_log.frame.size.y = win_meta.pad.size.y - (2 + win_info.frame.size.y);
- toggle_window(&win_meta, &win_keys);
- toggle_window(&win_meta, &win_map);
- toggle_window(&win_meta, &win_info);
- toggle_window(&win_meta, &win_log);
+ /* Generate map from seed and, if newly generated world, start positions of
+ * actors.
+ */
+ rrand_seed(world.seed);
+ struct Map map = init_map();
+ world.map = ↦
+ set_cleanup_flag(CLEANUP_MAP);
+ if (1 == 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);
+ }
- // Replay mode.
- int key;
- unsigned char quit_called = 0;
- unsigned char await_actions = 1;
- if (0 == world.interactive) {
- int action;
- while (1) {
- if (start_turn == world.turn)
- start_turn = 0;
- if (0 == start_turn) {
- draw_all_wins (&win_meta);
- key = getch(); }
- if (1 == await_actions &&
- (world.turn < start_turn || key == get_action_key(world.keybindings, "wait / next turn")) ) {
- action = getc(file);
- if (EOF == action) {
- start_turn = 0;
- await_actions = 0; }
- else if (0 == action)
- 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); }
- else
- quit_called = meta_keys(key, &world, &win_meta, &win_keys, &win_map, &win_info, &win_log);
- if (1 == quit_called)
- break; } }
+ /* Initialize window system and windows. */
+ WINDOW * screen = initscr();
+ set_cleanup_flag(CLEANUP_NCURSES);
+ noecho();
+ curs_set(0);
+ keypad(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);
- // 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);
- 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"))
- move_player(&world, EAST);
- else if (1 == await_actions && key == get_action_key(world.keybindings, "player down"))
- 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)
- break; } }
+ /* Replay mode. */
+ int key;
+ uint8_t quit_called = 0;
+ uint8_t await_actions = 1;
+ if (0 == world.interactive)
+ {
+ int action;
+ while (1)
+ {
+ 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")) )
+ {
+ action = getc(file);
+ if (EOF == action)
+ {
+ start_turn = 0;
+ await_actions = 0;
+ }
+ else if (0 == action)
+ {
+ 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);
+ }
+ }
+ else
+ {
+ quit_called = meta_keys(key, &world, &win_meta, &win_keys,
+ &win_map, &win_info, &win_log);
+ if (1 == quit_called)
+ {
+ err_c = "Trouble closing 'record' file (fclose() in "
+ "main()).";
+ exit_err(fclose(file), &world, err_c);
+ exit_game(&world);
+ }
+ }
+ }
+ }
- // Clean up and exit.
- free(map.cells);
- for (key = 0; key <= world.keyswindata->max; key++)
- free(world.keybindings[key].name);
- free(world.keybindings);
- free(world.keyswindata);
- free(world.log);
- endwin();
- exit (EXIT_SUCCESS); }
+ /* 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);
+ 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"))
+ {
+ move_player(&world, EAST);
+ }
+ else if (1 == await_actions
+ && key == get_action_key(world.keybindings,
+ "player down"))
+ {
+ 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);
+ }
+ }
+ }
+ }
+}
projects / plomrogue / blobdiff