X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=roguelike.c;h=23a686a468ec8e4dc0ad357cfdf66b258451a9c4;hb=cc54db8c41c3d0e00248422b6dc1a67187cd4e16;hp=cba46ad44675453f749cf51d4a5f6acad68405fe;hpb=6977fdf9517c4d4c46673ac047fb1dd9d6130556;p=plomrogue diff --git a/roguelike.c b/roguelike.c index cba46ad..23a686a 100644 --- a/roguelike.c +++ b/roguelike.c @@ -18,31 +18,62 @@ uint16_t rrand(char use_seed, uint32_t new_seed) { seed = ((seed * 1103515245) + 12345) % 2147483648; // Values as recommended by POSIX.1-2001 (see rand(3)). return (seed / 65536); } // Ignore least significant 16 bits (they are less random). -uint32_t load_seed() { -// Load seed integer from seed file. - uint32_t seed; +uint16_t read_uint16_bigendian(FILE * file) { +// Read uint16 from file in big-endian order. + const uint16_t nchar = UCHAR_MAX + 1; + unsigned char a = fgetc(file); + unsigned char b = fgetc(file); + return (a * nchar) + b; } + +void write_uint16_bigendian(uint16_t x, FILE * file) { +// Write uint16 to file in beg-endian order. + const uint16_t nchar = UCHAR_MAX + 1; + unsigned char a = x / nchar; + unsigned char b = x % nchar; + fputc(a, file); + fputc(b, file); } + +uint32_t read_uint32_bigendian(FILE * file) { +// Read uint32 from file in big-endian order. const uint16_t nchar = UCHAR_MAX + 1; - FILE * file = fopen("seed", "r"); unsigned char a = fgetc(file); unsigned char b = fgetc(file); unsigned char c = fgetc(file); unsigned char d = fgetc(file); - seed = (a * nchar * nchar * nchar) + (b * nchar * nchar) + (c * nchar) + d; - fclose(file); - return seed; } + return (a * nchar * nchar * nchar) + (b * nchar * nchar) + (c * nchar) + d; } -void save_seed(uint32_t seed) { -// Save seed integer to seed file. +void write_uint32_bigendian(uint32_t x, FILE * file) { +// Write uint32 to file in beg-endian order. const uint16_t nchar = UCHAR_MAX + 1; - unsigned char a = seed / (nchar * nchar * nchar); - unsigned char b = (seed - (a * nchar * nchar * nchar)) / (nchar * nchar); - unsigned char c = (seed - ((a * nchar * nchar * nchar) + (b * nchar * nchar))) / nchar; - unsigned char d = seed % nchar; - FILE * file = fopen("seed", "w"); + unsigned char a = x / (nchar * nchar * nchar); + unsigned char b = (x - (a * nchar * nchar * nchar)) / (nchar * nchar); + unsigned char c = (x - ((a * nchar * nchar * nchar) + (b * nchar * nchar))) / nchar; + unsigned char d = x % nchar; fputc(a, file); fputc(b, file); fputc(c, file); - fputc(d, file); + fputc(d, file); } + +void load_game(struct World * world) { +// Load game data from game file. + FILE * file = fopen("savefile", "r"); + world->seed = read_uint32_bigendian(file); + world->turn = read_uint32_bigendian(file); + world->player->y = read_uint16_bigendian(file); + world->player->x = read_uint16_bigendian(file); + world->monster->y = read_uint16_bigendian(file); + world->monster->x = read_uint16_bigendian(file); + fclose(file); } + +void save_game(struct World * world) { +// Save game data to game file. + FILE * file = fopen("savefile", "w"); + write_uint32_bigendian(world->seed, file); + write_uint32_bigendian(world->turn, file); + write_uint16_bigendian(world->player->y, file); + write_uint16_bigendian(world->player->x, file); + write_uint16_bigendian(world->monster->y, file); + write_uint16_bigendian(world->monster->x, file); fclose(file); } void toggle_window (struct WinMeta * win_meta, struct Win * win) { @@ -67,7 +98,7 @@ void growshrink_active_window (struct WinMeta * win_meta, char change) { width++; resize_active_window (win_meta, height, width); } } -struct Map init_map (uint32_t seed) { +struct Map init_map () { // Initialize map with some experimental start values. struct Map map; map.width = 64; @@ -103,6 +134,7 @@ void map_scroll (struct Map * map, char dir) { void next_turn (struct World * world) { // Increment turn and move enemy. world->turn++; + rrand(1, world->seed * world->turn); char d = rrand(0, 0) % 5; uint16_t ty = world->monster->y; uint16_t tx = world->monster->x; @@ -140,6 +172,12 @@ char is_passable (struct World * world, uint16_t x, uint16_t y) { passable = 1; return passable; } +void record_action (char action) { +// + FILE * file = fopen("record", "a"); + fputc(action, file); + fclose(file); } + void move_player (struct World * world, char d) { // Move player in direction d, increment turn counter and update log. static char prev = 0; @@ -179,36 +217,113 @@ void move_player (struct World * world, char d) { update_log (world, msg); free(msg); } } prev = success * d; + if (1 == world->interactive) + record_action(d); next_turn (world); } void player_wait (struct World * world) { // Make player wait one turn. + if (1 == world->interactive) + record_action(0); next_turn (world); update_log (world, "\nYou wait."); } -int main (int argc, char *argv[]) { - uint32_t seed; - if (0 == access("seed", F_OK)) - seed = load_seed(); - else - seed = time(NULL); - rrand(1, seed); +void startpos(struct World * world) { +// Initialize some default starting values. + world->turn = 1; + world->player->y = 8; + world->player->x = 8; + world->monster->y = 55; + world->monster->x = 55; } + +unsigned char meta_keys(int key, struct World * world, struct WinMeta * win_meta, struct Win * win_keys, + struct Win * win_map, struct Win * win_info, struct Win * win_log) { +// Call some meta program / window management actions dependent on key. Return 1 to signal quitting. + if (key == get_action_key(world->keybindings, "quit")) + return 1; + if (key == get_action_key(world->keybindings, "scroll pad right")) + scroll_pad (win_meta, '+'); + else if (key == get_action_key(world->keybindings, "scroll pad left")) + scroll_pad (win_meta, '-'); + else if (key == get_action_key(world->keybindings, "toggle keys window")) + toggle_window(win_meta, win_keys); + else if (key == get_action_key(world->keybindings, "toggle map window")) + toggle_window(win_meta, win_map); + else if (key == get_action_key(world->keybindings, "toggle info window")) + toggle_window(win_meta, win_info); + else if (key == get_action_key(world->keybindings, "toggle log window")) + toggle_window(win_meta, win_log); + else if (key == get_action_key(world->keybindings, "cycle forwards")) + cycle_active_window(win_meta, 'n'); + else if (key == get_action_key(world->keybindings, "cycle backwards")) + cycle_active_window(win_meta, 'p'); + else if (key == get_action_key(world->keybindings, "shift forwards")) + shift_active_window(win_meta, 'f'); + else if (key == get_action_key(world->keybindings, "shift backwards")) + shift_active_window(win_meta, 'b'); + else if (key == get_action_key(world->keybindings, "grow horizontally")) + growshrink_active_window(win_meta, '*'); + else if (key == get_action_key(world->keybindings, "shrink horizontally")) + growshrink_active_window(win_meta, '_'); + else if (key == get_action_key(world->keybindings, "grow vertically")) + growshrink_active_window(win_meta, '+'); + else if (key == get_action_key(world->keybindings, "shrink vertically")) + growshrink_active_window(win_meta, '-'); + else if (key == get_action_key(world->keybindings, "save keys")) + save_keybindings(world); + else if (key == get_action_key(world->keybindings, "keys nav up")) + keyswin_move_selection (world, 'u'); + else if (key == get_action_key(world->keybindings, "keys nav down")) + keyswin_move_selection (world, 'd'); + else if (key == get_action_key(world->keybindings, "keys mod")) + keyswin_mod_key (world, win_meta); + else if (key == get_action_key(world->keybindings, "map up")) + map_scroll (world->map, 'n'); + else if (key == get_action_key(world->keybindings, "map down")) + map_scroll (world->map, 's'); + else if (key == get_action_key(world->keybindings, "map right")) + map_scroll (world->map, 'e'); + else if (key == get_action_key(world->keybindings, "map left")) + map_scroll (world->map, 'w'); + return 0; } +int main (int argc, char *argv[]) { struct World world; + world.interactive = 1; + int opt; + while ((opt = getopt(argc, argv, "s")) != -1) { + switch (opt) { + case 's': + world.interactive = 0; + break; + default: + exit(EXIT_FAILURE); } } + init_keybindings(&world); - world.turn = 0; world.log = calloc(1, sizeof(char)); - update_log (&world, "Start!"); - struct Map map = init_map(seed); - world.map = ↦ + update_log (&world, " "); struct Player player; - player.y = 8; - player.x = 8; world.player = &player; struct Monster monster; - monster.y = 55; - monster.x = 55; world.monster = &monster; + FILE * file; + + if (0 == world.interactive) { + startpos(&world); + file = fopen("record", "r"); + world.seed = read_uint32_bigendian(file); } + else { + if (0 == access("savefile", F_OK)) + load_game(&world); + else { + startpos(&world); + world.seed = time(NULL); + file = fopen("record", "w"); + write_uint32_bigendian(world.seed, file); + fclose(file); } } + rrand(1, world.seed); + struct Map map = init_map(); + world.map = ↦ WINDOW * screen = initscr(); noecho(); @@ -220,69 +335,62 @@ int main (int argc, char *argv[]) { struct Win win_map = init_window(&win_meta, "Map", &world, draw_map_win); struct Win win_info = init_window(&win_meta, "Info", &world, draw_info_win); struct Win win_log = init_window(&win_meta, "Log", &world, draw_log_win); + win_keys.width = 29; + win_map.width = win_meta.width - win_keys.width - win_log.width - 2; + win_info.height = 1; + win_log.height = win_meta.height - 3; + toggle_window(&win_meta, &win_keys); + toggle_window(&win_meta, &win_map); + toggle_window(&win_meta, &win_info); + toggle_window(&win_meta, &win_log); int key; - while (1) { - draw_all_windows (&win_meta); - key = getch(); - if (key == get_action_key(world.keybindings, "quit")) - break; - else if (key == get_action_key(world.keybindings, "scroll pad right")) - scroll_pad (&win_meta, '+'); - else if (key == get_action_key(world.keybindings, "scroll pad left")) - scroll_pad (&win_meta, '-'); - else if (key == get_action_key(world.keybindings, "toggle keys window")) - toggle_window(&win_meta, &win_keys); - else if (key == get_action_key(world.keybindings, "toggle map window")) - toggle_window(&win_meta, &win_map); - else if (key == get_action_key(world.keybindings, "toggle info window")) - toggle_window(&win_meta, &win_info); - else if (key == get_action_key(world.keybindings, "toggle log window")) - toggle_window(&win_meta, &win_log); - else if (key == get_action_key(world.keybindings, "cycle forwards")) - cycle_active_window(&win_meta, 'n'); - else if (key == get_action_key(world.keybindings, "cycle backwards")) - cycle_active_window(&win_meta, 'p'); - else if (key == get_action_key(world.keybindings, "shift forwards")) - shift_active_window(&win_meta, 'f'); - else if (key == get_action_key(world.keybindings, "shift backwards")) - shift_active_window(&win_meta, 'b'); - else if (key == get_action_key(world.keybindings, "grow horizontally")) - growshrink_active_window(&win_meta, '*'); - else if (key == get_action_key(world.keybindings, "shrink horizontally")) - growshrink_active_window(&win_meta, '_'); - else if (key == get_action_key(world.keybindings, "grow vertically")) - growshrink_active_window(&win_meta, '+'); - else if (key == get_action_key(world.keybindings, "shrink vertically")) - growshrink_active_window(&win_meta, '-'); - else if (key == get_action_key(world.keybindings, "save keys")) - save_keybindings(&world); - else if (key == get_action_key(world.keybindings, "keys nav up")) - keyswin_move_selection (&world, 'u'); - else if (key == get_action_key(world.keybindings, "keys nav down")) - keyswin_move_selection (&world, 'd'); - else if (key == get_action_key(world.keybindings, "keys mod")) - keyswin_mod_key (&world, &win_meta); - else if (key == get_action_key(world.keybindings, "save seed")) - save_seed(seed); - else if (key == get_action_key(world.keybindings, "map up")) - map_scroll (&map, 'n'); - else if (key == get_action_key(world.keybindings, "map down")) - map_scroll (&map, 's'); - else if (key == get_action_key(world.keybindings, "map right")) - map_scroll (&map, 'e'); - else if (key == get_action_key(world.keybindings, "map left")) - map_scroll (&map, 'w'); - else if (key == get_action_key(world.keybindings, "player down")) - move_player(&world, 's'); - else if (key == get_action_key(world.keybindings, "player up")) - move_player(&world, 'n'); - else if (key == get_action_key(world.keybindings, "player right")) - move_player(&world, 'e'); - else if (key == get_action_key(world.keybindings, "player left")) - move_player(&world, 'w'); - else if (key == get_action_key(world.keybindings, "wait") ) - player_wait (&world); } + unsigned char result; + if (0 == world.interactive) { + int action; + while (1) { + draw_all_windows (&win_meta); + key = getch(); + if (key == get_action_key(world.keybindings, "wait / next turn") ) { + action = getc(file); + if (EOF == action) + break; + else if (0 == action) + player_wait (&world); + else if ('s' == action) + move_player(&world, 's'); + else if ('n' == action) + move_player(&world, 'n'); + else if ('e' == action) + move_player(&world, 'e'); + else if ('w' == action) + move_player(&world, 'w'); } + else + result = meta_keys(key, &world, &win_meta, &win_keys, &win_map, &win_info, &win_log); + if (1 == result) + break; } } + else { + uint32_t last_turn = 0; + while (1) { + if (last_turn != world.turn) { + save_game(&world); + last_turn = world.turn; } + draw_all_windows (&win_meta); + key = getch(); + if (key == get_action_key(world.keybindings, "player down")) + move_player(&world, 's'); + else if (key == get_action_key(world.keybindings, "player up")) + move_player(&world, 'n'); + else if (key == get_action_key(world.keybindings, "player right")) + move_player(&world, 'e'); + else if (key == get_action_key(world.keybindings, "player left")) + move_player(&world, 'w'); + else if (key == get_action_key(world.keybindings, "wait / next turn")) + player_wait (&world); + else + result = meta_keys(key, &world, &win_meta, &win_keys, &win_map, &win_info, &win_log); + if (1 == result) + break; } } free(map.cells); for (key = 0; key <= world.keyswindata->max; key++)