X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fmain.c;h=7caef902be0f9dad534f8d1c758f5af149d28a37;hb=ca52663339a9577d85115f3eba83cfa2ccad5145;hp=80e7b011c97ffc0ad2f8a55a8a88be97b7c54a60;hpb=7815e738f77aad4e918c84a89aa21f7ae683ebab;p=plomrogue diff --git a/src/main.c b/src/main.c index 80e7b01..7caef90 100644 --- a/src/main.c +++ b/src/main.c @@ -2,10 +2,12 @@ #include "main.h" #include /* for atoi(), exit(), EXIT_FAILURE, calloc() */ -#include /* for FILE typedef, F_OK */ +#include /* for FILE typedef, F_OK, rename() */ #include /* for initscr(), noecho(), curs_set(), keypad(), raw() */ #include /* for time() */ -#include /* for getopt(), optarg */ +#include /* for unlink(), getopt(), optarg */ +#include /* for uint8_t */ +#include /* for errno */ #include "windows.h" /* for structs WinMeta, Win, init_win(), init_win_meta(), * draw_all_wins() */ @@ -13,25 +15,52 @@ * draw_log_win() */ #include "keybindings.h" /* for initkeybindings(), get_action_key() */ -#include "readwrite.h" /* for read_uint16_bigendian, read_uint32_bigendian, - * write_uint32_bigendian - */ +#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(), - * read_map_objects_monsterdata, - * read_map_objects_itemdata, build_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(), exit_game(), - * find_passable_pos(), meta_keys(), save_game() +#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); /* Read in startup options (i.e. replay option and replay start turn). */ int opt; @@ -54,6 +83,7 @@ int main(int argc, char *argv[]) /* 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; @@ -63,42 +93,71 @@ int main(int argc, char *argv[]) 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)) + 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); + 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, &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 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("record", "r"); - world.seed = read_uint32_bigendian(file); + file = fopen(recordfile, "r"); + exit_err(0 == file, &world, err_o); + exit_err(read_uint32_bigendian(file, &world.seed), &world, err_r); + } + + /* For interactive-mode in newly started world, generate a start seed + * from the current time. + */ + else + { + world.seed = time(NULL); + + 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); } + } - /* 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); - } - } /* Generate map from seed and, if newly generated world, start positions of * actors. @@ -106,37 +165,36 @@ int main(int argc, char *argv[]) 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(&map); - void * foo = build_map_objects(&world, &world.monster, - 0, 1 + rrand() % 27, - sizeof(struct Monster), - build_map_objects_monsterdata); - foo = build_map_objects(&world, foo, 1, 1 + rrand() % 9, - sizeof(struct Monster), - build_map_objects_monsterdata); - build_map_objects(&world, foo, 2, 1 + rrand() % 3, - sizeof(struct Monster), - build_map_objects_monsterdata); - foo = build_map_objects(&world, &world.item, 3, 1 + rrand() % 3, - sizeof(struct Item), - build_map_objects_itemdata); - build_map_objects(&world, foo, 4, 1 + rrand() % 3, - sizeof(struct Item), build_map_objects_itemdata); + 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); } /* Initialize window system and windows. */ WINDOW * screen = initscr(); + set_cleanup_flag(CLEANUP_NCURSES); 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", 0, 29, &world, draw_keys_win); - struct Win win_info = init_win(&win_meta, "Info", 2, 20, &world, draw_info_win); - uint16_t height_logwin = win_meta.padframe.size.y - (2 + win_info.frame.size.y); + 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", + 2, 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 @@ -150,8 +208,8 @@ int main(int argc, char *argv[]) /* Replay mode. */ int key; - unsigned char quit_called = 0; - unsigned char await_actions = 1; + uint8_t quit_called = 0; + uint8_t await_actions = 1; if (0 == world.interactive) { int action; @@ -163,8 +221,8 @@ int main(int argc, char *argv[]) } if (0 == start_turn) { - draw_all_wins (&win_meta); - key = getch(); + exit_err(draw_all_wins(&win_meta), &world, err_winmem); + key = getch(); } if (1 == await_actions && (world.turn < start_turn @@ -204,7 +262,10 @@ int main(int argc, char *argv[]) &win_map, &win_info, &win_log); if (1 == quit_called) { - exit_game(&world, &map); + err_c = "Trouble closing 'record' file (fclose() in " + "main())."; + exit_err(fclose(file), &world, err_c); + exit_game(&world); } } } @@ -263,7 +324,7 @@ int main(int argc, char *argv[]) &win_map, &win_info, &win_log); if (1 == quit_called) { - exit_game(&world, &map); + exit_game(&world); } } }