+#include <stdlib.h>
+#include <limits.h>
+#include <stdint.h>
#include <ncurses.h>
#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
#include "windows.h"
-
-struct World {
- struct KeyBinding * keybindings;
- struct KeysWinData * keyswindata;
- int turn;
- char * log;
- struct Map * map;
- struct Monster * monster;
- struct Player * player; };
-
-struct KeyBinding {
- char * name;
- int key; };
-
-struct KeysWinData {
- int max;
- char edit;
- int select; };
-
-struct Map {
- int width;
- int height;
- int offset_x;
- int offset_y;
- char * cells; };
-
-struct Player {
- int y;
- int x; };
-
-struct Monster {
- int y;
- int x; };
-
-void draw_with_linebreaks (struct Win *, char *, int);
-void draw_text_from_bottom (struct Win *, char *);
-void draw_log (struct Win *);
-void draw_map (struct Win *);
-void draw_info (struct Win *);
-void draw_keys_window (struct Win *);
-void toggle_window (struct WinMeta *, struct Win *);
-void init_keybindings(struct World *);
-struct Map init_map ();
-void map_scroll (struct Map *, char);
-void next_turn (struct World *);
-void update_log (struct World *, char *);
-void save_keybindings(struct World *);
-int get_action_key (struct KeyBinding *, char *);
-char * get_keyname(int);
-void keyswin_mod_key (struct World *, struct WinMeta *);
-void keyswin_move_selection (struct World *, char);
-char is_passable (struct World *, int, int);
-void move_player (struct World *, char);
-void player_wait(struct World *);
-
-void draw_with_linebreaks (struct Win * win, char * text, int start_y) {
-// Write text into window content space. Start on row start_y. Fill unused rows with whitespace.
- int x, y;
- char toggle;
- char fin = 0;
- int z = -1;
- for (y = start_y; y < win->height; y++) {
- if (0 == fin)
- toggle = 0;
- for (x = 0; x < win->width; x++) {
- if (0 == toggle) {
- z++;
- if ('\n' == text[z]) {
- toggle = 1;
- continue; }
- else
- mvwaddch(win->curses, y, x, text[z]);
- if ('\n' == text[z+1]) {
- z++;
- toggle = 1; }
- else if (0 == text[z+1]) {
- toggle = 1;
- fin = 1; } } } } }
-
-void draw_text_from_bottom (struct Win * win, char * text) {
-// Draw text from end/bottom to the top.
- char toggle = 0;
- int x, y, offset;
- int z = -1;
- for (y = 0; 0 == toggle; y++) // Determine number of lines text would have in
- for (x = 0; x < win->width; x++) { // a window of available width, but infinite height.
- z++;
- if ('\n' == text[z]) // Treat \n and \0 as control characters for incrementing y and stopping
- break; // the loop. Make sure they don't count as cell space themselves.
- if ('\n' == text[z+1]) {
- z++;
- break; }
- else if (0 == text[z+1]) {
- toggle = 1;
- break; } }
- z = -1;
- int start_y = 0;
- if (y < win->height) // Depending on what is bigger, determine start point in window or in text.
- start_y = win->height - y;
- else if (y > win->height) {
- offset = y - win->height;
- for (y = 0; y < offset; y++)
- for (x = 0; x < win->width; x++) {
- z++;
- if ('\n' == text[z])
- break;
- if ('\n' == text[z+1]) {
- z++;
- break; } }
- text = text + (sizeof(char) * (z + 1)); }
- draw_with_linebreaks(win, text, start_y); }
-
-void draw_log (struct Win * win) {
-// Draw log text from world struct in win->data from bottom to top.
- struct World * world = (struct World *) win->data;
- draw_text_from_bottom(win, world->log); }
-
-void draw_map (struct Win * win) {
-// Draw map determined by win->data Map struct into window. Respect offset.
- struct World * world = (struct World *) win->data;
- struct Map * map = world->map;
- struct Player * player = world->player;
- struct Monster * monster = world->monster;
- char * cells = map->cells;
- int width_map_av = map->width - map->offset_x;
- int height_map_av = map->height - map->offset_y;
- int x, y, z;
- for (y = 0; y < win->height; y++) {
- z = map->offset_x + (map->offset_y + y) * (map->width);
- for (x = 0; x < win->width; x++) {
- if (y < height_map_av && x < width_map_av) {
- if (z == (map->width * player->y) + player->x)
- mvwaddch(win->curses, y, x, '@');
- else if (z == (map->width * monster->y) + monster->x)
- mvwaddch(win->curses, y, x, 'M');
- else
- mvwaddch(win->curses, y, x, cells[z]);
- z++; } } } }
-
-void draw_info (struct Win * win) {
-// Draw info window by appending win->data integer value to "Turn: " display.
- struct World * world = (struct World *) win->data;
- int count = world->turn;
- char text[100];
- snprintf(text, 100, "Turn: %d", count);
- draw_with_linebreaks(win, text, 0); }
-
-void draw_keys_window (struct Win * win) {
-// Draw keybinding window.
- struct World * world = (struct World *) win->data;
- struct KeysWinData * keyswindata = (struct KeysWinData *) world->keyswindata;
- struct KeyBinding * keybindings = world->keybindings;
- int offset = 0;
- if (keyswindata->max >= win->height) {
- if (keyswindata->select > win->height / 2) {
- if (keyswindata->select < (keyswindata->max - (win->height / 2)))
- offset = keyswindata->select - (win->height / 2);
- else
- offset = keyswindata->max - win->height + 1; } }
- int keydescwidth = 9 + 1; // max length assured by get_keyname() + \0
- char * keydesc = malloc(keydescwidth);
- attr_t attri;
- int y, x;
- char * keyname;
- for (y = 0; y <= keyswindata->max && y < win->height; y++) {
- attri = 0;
- if (y == keyswindata->select - offset) {
- attri = A_REVERSE;
- if (1 == keyswindata->edit)
- attri = attri | A_BLINK; }
- keyname = get_keyname(keybindings[y + offset].key);
- snprintf(keydesc, keydescwidth, "%-9s", keyname);
- free(keyname);
- for (x = 0; x < win->width; x++)
- if (x < strlen(keydesc))
- mvwaddch(win->curses, y, x, keydesc[x] | attri);
- else if (strlen(keydesc) < x && x < strlen(keybindings[y + offset].name) + strlen(keydesc) + 1)
- mvwaddch(win->curses, y, x, keybindings[y + offset].name[x - strlen(keydesc) - 1] | attri);
- else
- mvwaddch(win->curses, y, x, ' ' | attri); }
- free(keydesc); }
+#include "draw_wins.h"
+#include "roguelike.h"
+#include "keybindings.h"
void toggle_window (struct WinMeta * win_meta, struct Win * win) {
// Toggle display of window win.
else
append_window(win_meta, win); }
-void init_keybindings(struct World * world) {
-// Initialize keybindings from file "keybindings".
- FILE * file = fopen("keybindings", "r");
- int lines = 0;
- int c = 0;
- int linemax = 0;
- int c_count = 0;
- while (EOF != c) {
- c_count++;
- c = getc(file);
- if ('\n' == c) {
- if (c_count > linemax)
- linemax = c_count + 1;
- c_count = 0;
- lines++; } }
- struct KeyBinding * keybindings = malloc(lines * sizeof(struct KeyBinding));
- fseek(file, 0, SEEK_SET);
- char * command = malloc(linemax);
- int commcount = 0;
- char * cmdptr;
- while (fgets(command, linemax, file)) {
- keybindings[commcount].key = atoi(command);
- cmdptr = strchr(command, ' ') + 1;
- keybindings[commcount].name = malloc(strlen(cmdptr));
- memcpy(keybindings[commcount].name, cmdptr, strlen(cmdptr) - 1);
- keybindings[commcount].name[strlen(cmdptr) - 1] = '\0';
- commcount++; }
- free(command);
- fclose(file);
- struct KeysWinData * keyswindata = malloc(sizeof(struct KeysWinData));
- keyswindata->max = lines - 1;
- keyswindata->select = 0;
- keyswindata->edit = 0;
- world->keybindings = keybindings;
- world->keyswindata = keyswindata; }
+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) {
+ uint16_t height = win_meta->active->height;
+ uint16_t width = win_meta->active->width;
+ if (change == '-')
+ height--;
+ else if (change == '+')
+ height++;
+ else if (change == '_')
+ width--;
+ else if (change == '*')
+ width++;
+ resize_active_window (win_meta, height, width); } }
struct Map init_map () {
// Initialize map with some experimental start values.
map.offset_x = 0;
map.offset_y = 0;
map.cells = malloc(map.width * map.height);
- int x, y, ran;
+ uint16_t x, y, ran;
char terrain;
for (y = 0; y < map.height; y++)
for (x = 0; x < map.width; x++) {
void update_log (struct World * world, char * text) {
// Update log with new text to be appended.
char * new_text;
- int len_old = strlen(world->log);
- int len_new = strlen(text);
- int len_whole = len_old + len_new + 1;
+ uint16_t len_old = strlen(world->log);
+ 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);
free(world->log);
world->log = new_text; }
-void save_keybindings(struct World * world) {
-// Write keybindings to keybindings file.
- struct KeysWinData * keyswindata = (struct KeysWinData *) world->keyswindata;
- struct KeyBinding * keybindings = world->keybindings;
- FILE * file = fopen("keybindings", "w");
- int linemax = 0;
- int i;
- for (i = 0; i <= keyswindata->max; i++)
- if (strlen(keybindings[i].name) > linemax)
- linemax = strlen(keybindings[i].name);
- linemax = linemax + 6; // + 6 = + 3 digits + whitespace + newline + null byte
- char * line = malloc(linemax);
- for (i = 0; i <= keyswindata->max; i++) {
- snprintf(line, linemax, "%d %s\n", keybindings[i].key, keybindings[i].name);
- fwrite(line, sizeof(char), strlen(line), file); }
- free(line);
- fclose(file); }
-
-int get_action_key (struct KeyBinding * keybindings, char * name) {
-// Return key matching name in keybindings.
- int i = 0;
- while (strcmp(keybindings[i].name, name) )
- i++;
- return keybindings[i].key; }
-
-char * get_keyname(int keycode) {
-// Translate some keycodes to readable names of max 9 chars.
- char * keyname;
- keyname = malloc(15);
- if (32 < keycode && keycode < 127)
- sprintf(keyname, "%c", keycode);
- else if (keycode == 9)
- sprintf(keyname, "TAB");
- else if (keycode == 10)
- sprintf(keyname, "RETURN");
- else if (keycode == 27)
- sprintf(keyname, "ESCAPE");
- else if (keycode == 32)
- sprintf(keyname, "SPACE");
- else if (keycode == KEY_UP)
- sprintf(keyname, "UP");
- else if (keycode == KEY_DOWN)
- sprintf(keyname, "DOWN");
- else if (keycode == KEY_LEFT)
- sprintf(keyname, "LEFT");
- else if (keycode == KEY_RIGHT)
- sprintf(keyname, "RIGHT");
- else if (keycode == KEY_HOME)
- sprintf(keyname, "HOME");
- else if (keycode == KEY_BACKSPACE)
- sprintf(keyname, "BACKSPACE");
- else if (keycode >= KEY_F0 && keycode <= KEY_F(63)) {
- int f = keycode - KEY_F0;
- sprintf(keyname, "F%d", f); }
- else if (keycode == KEY_DC)
- sprintf(keyname, "DELETE");
- else if (keycode == KEY_IC)
- sprintf(keyname, "INSERT");
- else if (keycode == KEY_NPAGE)
- sprintf(keyname, "NEXT PAGE");
- else if (keycode == KEY_PPAGE)
- sprintf(keyname, "PREV PAGE");
- else if (keycode == KEY_END)
- sprintf(keyname, "END");
- else
- sprintf(keyname, "(unknown)");
- return keyname; }
-
-void keyswin_mod_key (struct World * world, struct WinMeta * win_meta) {
-// In keybindings window, mark selection modifiable, modify key. Ensure max of three digits in key code field.
- world->keyswindata->edit = 1;
- draw_all_windows (win_meta);
- int key = getch();
- if (key < 1000)
- world->keybindings[world->keyswindata->select].key = key;
- world->keyswindata->edit = 0; }
-
-void keyswin_move_selection (struct World * world, char dir) {
-// In keybindings window, move selection upwards or downwards (if within limits of list length).
- if ('u' == dir && world->keyswindata->select > 0)
- world->keyswindata->select--;
- else if ('d' == dir && world->keyswindata->select < world->keyswindata->max)
- world->keyswindata->select++; }
-
-char is_passable (struct World * world, int x, int y) {
+char is_passable (struct World * world, uint16_t x, uint16_t y) {
// Check if coordinate on (or beyond) map is accessible to movement.
char passable = 0;
if (0 <= x && x < world->map->width && 0 <= y && y < world->map->height)
prev = success * d;
next_turn (world); }
-void player_wait(struct World * world) {
+void player_wait (struct World * world) {
// Make player wait one turn.
next_turn (world);
update_log (world, "\nYou wait."); }
+void save_map (struct Map * map) {
+// Save map to file "map".
+ FILE * file = fopen("map", "w");
+ fputc(map->width / CHAR_MAX, file);
+ fputc(map->width % CHAR_MAX, file);
+ uint16_t y, x;
+ for (y = 0; y < map->height; y++)
+ for (x = 0; x < map->width; x++)
+ fputc(map->cells[y * map->width + x], file);
+ fclose(file); }
+
+struct Map load_map () {
+// Load map from file.
+ FILE * file = fopen("map", "r");
+ struct Map map;
+ map.width = (fgetc(file) * CHAR_MAX) + fgetc(file);
+ long pos = ftell(file);
+ int c = fgetc(file);
+ uint32_t i = 0;
+ while (EOF != c) {
+ i++;
+ c = fgetc(file); }
+ map.cells = malloc(i * sizeof(char));
+ map.height = i / map.width;
+ fseek(file, pos, SEEK_SET);
+ c = fgetc(file);
+ i = 0;
+ while (EOF != c) {
+ map.cells[i] = (char) c;
+ c = fgetc(file);
+ i++; }
+ fclose(file);
+ return map; }
+
int main () {
struct World world;
init_keybindings(&world);
keypad(screen, TRUE);
raw();
struct WinMeta win_meta = init_win_meta(screen);
-
- struct Win win_keys = init_window(&win_meta, "Keys");
- win_keys.draw = draw_keys_window;
- win_keys.data = &world;
- struct Win win_map = init_window(&win_meta, "Map");
- win_map.draw = draw_map;
- win_map.data = &world;
- struct Win win_info = init_window(&win_meta, "Info");
- win_info.draw = draw_info;
- win_info.data = &world;
- struct Win win_log = init_window(&win_meta, "Log");
- win_log.draw = draw_log;
- win_log.data = &world;
+ struct Win win_keys = init_window(&win_meta, "Keys", &world, draw_keys_win);
+ 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);
int key;
while (1) {
if (key == get_action_key(world.keybindings, "quit"))
break;
else if (key == get_action_key(world.keybindings, "scroll pad right"))
- win_meta.pad_offset++;
- else if (key == get_action_key(world.keybindings, "scroll pad left") && win_meta.pad_offset > 0)
- win_meta.pad_offset--;
+ 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"))
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_window(&win_meta, 'f');
+ shift_active_window(&win_meta, 'f');
else if (key == get_action_key(world.keybindings, "shift backwards"))
- shift_window(&win_meta, 'b');
- else if (key == get_action_key(world.keybindings, "grow horizontally") && win_meta.active != 0)
- resize_window(&win_meta, '*');
- else if (key == get_action_key(world.keybindings, "shrink horizontally") && win_meta.active != 0)
- resize_window(&win_meta, '_');
- else if (key == get_action_key(world.keybindings, "grow vertically") && win_meta.active != 0)
- resize_window(&win_meta, '+');
- else if (key == get_action_key(world.keybindings, "shrink vertically") && win_meta.active != 0)
- resize_window(&win_meta, '-');
+ 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, '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, "load map"))
+ map = load_map();
+ else if (key == get_action_key(world.keybindings, "save map"))
+ save_map(&map);
else if (key == get_action_key(world.keybindings, "map up"))
map_scroll (&map, 'n');
else if (key == get_action_key(world.keybindings, "map down"))