#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 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; };
-
-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 update_info (struct World *);
-void update_log (struct World *, char *);
-void save_keybindings(struct World *);
-int get_action_key (struct KeyBinding *, char *);
-char * get_keyname(int);
-char is_passable (struct World *, int, int);
-void move_player (struct World *, char);
-
-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;
- 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
- 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"
void toggle_window (struct WinMeta * win_meta, struct Win * win) {
// Toggle display of window win.
else
append_window(win_meta, win); }
+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) {
+ int height = win_meta->active->height;
+ int 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); } }
+
void init_keybindings(struct World * world) {
// Initialize keybindings from file "keybindings".
FILE * file = fopen("keybindings", "r");
struct Map init_map () {
// Initialize map with some experimental start values.
struct Map map;
- map.width = 128;
- map.height = 128;
+ map.width = 96;
+ map.height = 32;
map.offset_x = 0;
map.offset_y = 0;
map.cells = malloc(map.width * map.height);
- int x, y;
+ int x, y, ran;
+ char terrain;
for (y = 0; y < map.height; y++)
- for (x = 0; x < map.width; x++)
- map.cells[(y * map.width) + x] = '.';
- map.cells[(5 * map.width) + 5] = 'X';
- map.cells[(3 * map.width) + 8] = 'X';
- map.cells[(8 * map.width) + 3] = 'X';
+ for (x = 0; x < map.width; x++) {
+ terrain = '.';
+ ran = rand();
+ if ( 0 == ran % ((x*x) / 3 + 1)
+ || 0 == ran % ((y*y) / 3 + 1)
+ || 0 == ran % ((map.width - x - 1) * (map.width - x - 1) / 3 + 1)
+ || 0 == ran %((map.height - y - 1) * (map.height - y - 1) / 3 + 1))
+ terrain = ' ';
+ map.cells[(y * map.width) + x] = terrain; }
return map; }
-void update_info (struct World * world) {
-// Update info data by incrementing turn value.
- world->turn++; }
+void map_scroll (struct Map * map, char dir) {
+// Scroll map into direction dir if possible by changing the offset.
+ if ('n' == dir && map->offset_y > 0)
+ map->offset_y--;
+ else if ('s' == dir)
+ map->offset_y++;
+ else if ('w' == dir && map->offset_x > 0)
+ map->offset_x--;
+ else if ('e' == dir)
+ map->offset_x++; }
+
+void next_turn (struct World * world) {
+// Increment turn and move enemy.
+ world->turn++;
+ char d = rand() % 5;
+ char ty = world->monster->y;
+ char tx = world->monster->x;
+ if (1 == d)
+ ty++;
+ else if (2 == d)
+ ty--;
+ else if (3 == d)
+ tx++;
+ else if (4 == d)
+ tx--;
+ if (tx == world->player->x && ty == world->player->y)
+ update_log(world, "\nThe monster hits you.");
+ else if (is_passable(world, tx, ty)) {
+ world->monster->y = ty;
+ world->monster->x = tx; } }
void update_log (struct World * world, char * text) {
// Update log with new text to be appended.
sprintf(keyname, "(unknown)");
return keyname; }
-char is_passable (struct World * world, int y, int x) {
+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) {
// 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)
static char prev = 0;
char success = 0;
char * dir;
+ char ty = world->player->y;
+ char tx = world->player->x;
if ('s' == d) {
dir = "south";
- if (is_passable(world, world->player->x, world->player->y + 1)) {
- world->player->y++;
- success = 1; } }
- else if ('n' == d) {
+ ty++; }
+ if ('n' == d) {
dir = "north";
- if (is_passable(world, world->player->x, world->player->y - 1)) {
- world->player->y--;
- success = 1; } }
- else if ('w' == d) {
+ ty--; }
+ if ('w' == d) {
dir = "west";
- if (is_passable(world, world->player->x - 1, world->player->y)) {
- world->player->x--;
- success = 1; } }
- else if ('e' == d) {
+ tx--; }
+ if ('e' == d) {
dir = "east";
- if (is_passable(world, world->player->x + 1, world->player->y)) {
- world->player->x++;
- success = 1; } }
+ tx++; }
+ if (ty == world->monster->y && tx == world->monster->x)
+ success = 2;
+ else if (is_passable(world, tx, ty)) {
+ success = 1;
+ world->player->y = ty;
+ world->player->x = tx; }
if (success * d == prev)
update_log (world, ".");
else {
- char * msg = calloc(25, sizeof(char));
- char * msg_content = "You fail to move";
- if (success)
- msg_content = "You move";
- sprintf(msg, "\n%s %s.", msg_content, dir);
- update_log (world, msg);
- free(msg); }
+ if (2 == success)
+ update_log (world, "\nYou hit the monster.");
+ else {
+ char * msg = calloc(25, sizeof(char));
+ char * msg_content = "You fail to move";
+ if (1 == success)
+ msg_content = "You move";
+ sprintf(msg, "\n%s %s.", msg_content, dir);
+ update_log (world, msg);
+ free(msg); } }
prev = success * d;
- update_info (world); }
+ next_turn (world); }
+
+void player_wait(struct World * world) {
+// Make player wait one turn.
+ next_turn (world);
+ update_log (world, "\nYou wait."); }
int main () {
struct World world;
struct Map map = init_map();
world.map = ↦
struct Player player;
- player.y = 2;
- player.x = 2;
+ player.y = 16;
+ player.x = 16;
world.player = &player;
+ struct Monster monster;
+ monster.y = 16;
+ monster.x = 80;
+ world.monster = &monster;
WINDOW * screen = initscr();
noecho();
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"))
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") && win_meta.active != 0)
+ 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") && win_meta.active != 0)
+ 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") && win_meta.active != 0)
- shift_window(&win_meta, 'f');
- else if (key == get_action_key(world.keybindings, "shift backwards") && win_meta.active != 0)
- 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, '-');
+ 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") && world.keyswindata->select > 0)
- world.keyswindata->select--;
- else if (key == get_action_key(world.keybindings, "keys nav down") && world.keyswindata->select < world.keyswindata->max)
- world.keyswindata->select++;
- else if (key == get_action_key(world.keybindings, "keys mod")) {
- world.keyswindata->edit = 1;
- draw_all_windows (&win_meta);
- key = getch();
- if (key < 1000) // ensure maximum of three digits in key code field
- world.keybindings[world.keyswindata->select].key = key;
- world.keyswindata->edit = 0; }
- else if (key == get_action_key(world.keybindings, "map up") && map.offset_y > 0)
- map.offset_y--;
+ 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 (&map, 'n');
else if (key == get_action_key(world.keybindings, "map down"))
- map.offset_y++;
+ map_scroll (&map, 's');
else if (key == get_action_key(world.keybindings, "map right"))
- map.offset_x++;
- else if (key == get_action_key(world.keybindings, "map left") && map.offset_x > 0)
- map.offset_x--;
+ 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, 'e');
else if (key == get_action_key(world.keybindings, "player left"))
move_player(&world, 'w');
- else if (key == get_action_key(world.keybindings, "wait") ) {
- update_info (&world);
- update_log (&world, "\nYou wait."); } }
+ else if (key == get_action_key(world.keybindings, "wait") )
+ player_wait (&world); }
free(map.cells);
for (key = 0; key <= world.keyswindata->max; key++)