-#include "roguelike.h"
-#include <stdlib.h>
-#include <ncurses.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-#include "windows.h"
-#include "draw_wins.h"
-#include "keybindings.h"
-#include "readwrite.h"
-#include "objects_on_map.h"
-#include "map.h"
-
-uint16_t rrand(char use_seed, uint32_t new_seed) {
-// Pseudo-random number generator (LGC algorithm). Use instead of rand() to ensure portable predictability.
- static uint32_t seed;
- if (0 != use_seed)
- seed = 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).
-
-void update_log (struct World * world, char * text) {
-// Update log by appending text, or by appending a "." if text is the same as the last one.
- static char * last_msg;
- if (0 == last_msg)
- last_msg = calloc(1, sizeof(char));
- char * new_text;
- uint16_t len_old = strlen(world->log);
- if (0 == strcmp(last_msg, text)) {
- uint16_t len_whole = len_old + 1;
- new_text = calloc(len_whole + 1, sizeof(char));
- memcpy(new_text, world->log, len_old);
- memcpy(new_text + len_old, ".", 1); }
- else {
- uint16_t len_new = strlen(text);
- uint16_t len_whole = len_old + len_new + 1;
- new_text = calloc(len_whole, sizeof(char));
- memcpy(new_text, world->log, len_old);
- memcpy(new_text + len_old, text, len_new);
- last_msg = calloc(len_new + 1, sizeof(char));
- memcpy(last_msg, text, len_new); }
- free(world->log);
- world->log = new_text; }
-
-uint16_t center_offset (uint16_t pos, uint16_t mapsize, uint16_t framesize) {
-// Return the offset for display of a map inside a frame centered on pos.
- uint16_t offset = 0;
- if (mapsize > framesize) {
- if (pos > framesize / 2) {
- if (pos < mapsize - (framesize / 2))
- offset = pos - (framesize / 2);
- else
- offset = mapsize - framesize; } }
- return offset; }
-
-void turn_over (struct World * world, char action) {
-// Record action in game record file, increment turn and move enemy.
- if (1 == world->interactive) {
- FILE * file = fopen("record", "a");
- fputc(action, file);
- fclose(file); }
- world->turn++;
- rrand(1, world->seed * world->turn);
- struct Monster * monster;
- for (monster = world->monster; monster != 0; monster = monster->cmo.next)
- move_monster(world, monster); }
-
-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->pos.y + 1, file);
- write_uint16_bigendian(world->player->pos.x + 1, file);
- fputc(world->player->hitpoints, file);
- write_map_objects (world->monster, file, write_map_objects_monsterdata);
- write_map_objects (world->item, file, readwrite_map_objects_dummy);
- fclose(file); }
-
-void toggle_window (struct WinMeta * win_meta, struct Win * win) {
-// Toggle display of window win.
- if (0 != win->frame.curses_win)
- suspend_win(win_meta, win);
- else
- append_win(win_meta, win); }
-
-void scroll_pad (struct WinMeta * win_meta, char dir) {
-// Try to scroll pad left or right.
- if ('+' == dir)
- reset_pad_offset(win_meta, win_meta->pad_offset + 1);
- else if ('-' == dir)
- reset_pad_offset(win_meta, win_meta->pad_offset - 1); }
-
-void growshrink_active_window (struct WinMeta * win_meta, char change) {
-// Grow or shrink active window horizontally or vertically by one cell size.
- if (0 != win_meta->active) {
- struct yx_uint16 size = win_meta->active->frame.size;
- if (change == '-') size.y--;
- else if (change == '+') size.y++;
- else if (change == '_') size.x--;
- else if (change == '*') size.x++;
- resize_active_win (win_meta, size); } }
-
-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;
- 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_win(win_meta, 'n');
- else if (key == get_action_key(world->keybindings, "cycle backwards"))
- cycle_active_win(win_meta, 'p');
- else if (key == get_action_key(world->keybindings, "shift forwards"))
- shift_active_win(win_meta, 'f');
- else if (key == get_action_key(world->keybindings, "shift backwards"))
- shift_active_win(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, NORTH, win_map->frame.size);
- else if (key == get_action_key(world->keybindings, "map down"))
- map_scroll (world->map, SOUTH, win_map->frame.size);
- else if (key == get_action_key(world->keybindings, "map right"))
- map_scroll (world->map, EAST, win_map->frame.size);
- else if (key == get_action_key(world->keybindings, "map left"))
- map_scroll (world->map, WEST, win_map->frame.size);
- else if (key == get_action_key(world->keybindings, "map center player"))
- map_center_player (world->map, world->player, win_map->frame.size);
- return 0; }
-
-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); } }
-
- // Initialize log, player, monsters and 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;
-
- // 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), readwrite_map_objects_dummy);
- fclose(file); }
-
- // 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 {
- 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.
- rrand(1, world.seed);
- struct Map map = init_map();
- world.map = ↦
- if (1 == world.turn) {
- player.pos = find_passable_pos(&map);
- unsigned char n_monsters = rrand(0, 0) % 16;
- unsigned char n_items = rrand(0, 0) % 48;
- build_map_objects (&world.monster, n_monsters, sizeof(struct Monster), build_map_objects_monsterdata, &map);
- build_map_objects (&world.item, n_items, sizeof(struct Item), build_map_objects_itemdata, &map); }
-
- // 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);
-
- // 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; } }
-
- // 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; } }
-
- // 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();
- return 0; }