#include <stdlib.h>
#include "windows.h"
-struct Map {
- int width;
- int height;
- int offset_x;
- int offset_y;
- int player_x;
- int player_y;
- char * cells; };
+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;
char edit;
int select; };
-struct World {
- char * log;
- int turn;
- struct KeyBinding * keybindings;
- struct KeysWinData * keyswindata; };
+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 growshrink_active_window (struct WinMeta *, char);
+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.
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); }
+ 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 Map map = * (struct Map *) win->data;
- char * cells = map.cells;
- int width_map_av = map.width - map.offset_x;
- int height_map_av = map.height - map.offset_y;
+ 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);
+ 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 * map.player_y) + map.player_x)
+ 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;
+ 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 toggle_window (struct WinMeta * win_meta, struct Win * win) {
-// Toggle display of window win.
- if (0 != win->curses)
- suspend_window(win_meta, win);
- else
- append_window(win_meta, win); }
-
-struct Map init_map () {
-// Initialize map with some experimental start values.
- struct Map map;
- map.width = 128;
- map.height = 128;
- map.offset_x = 0;
- map.offset_y = 0;
- map.player_x = 2;
- map.player_y = 2;
- map.cells = malloc(map.width * map.height);
- int x, y;
- 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';
- return map; }
-
-void update_info (struct World * world) {
-// Update info data by incrementing turn value.
- world->turn++; }
-
-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;
- 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; }
-
-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 draw_keys_window (struct Win * win) {
// Draw keybinding window.
struct World * world = (struct World *) win->data;
mvwaddch(win->curses, y, x, ' ' | attri); }
free(keydesc); }
+void toggle_window (struct WinMeta * win_meta, struct Win * win) {
+// Toggle display of window win.
+ if (0 != win->curses)
+ suspend_window(win_meta, 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");
world->keybindings = keybindings;
world->keyswindata = keyswindata; }
+struct Map init_map () {
+// Initialize map with some experimental start values.
+ struct Map map;
+ map.width = 96;
+ map.height = 32;
+ map.offset_x = 0;
+ map.offset_y = 0;
+ map.cells = malloc(map.width * map.height);
+ int x, y, ran;
+ char terrain;
+ for (y = 0; y < map.height; y++)
+ 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 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.
+ char * new_text;
+ int len_old = strlen(world->log);
+ int len_new = strlen(text);
+ int 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;
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
+ 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);
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) {
+// 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)
+ if ('.' == world->map->cells[y * world->map->width + x])
+ passable = 1;
+ return passable; }
+
+void move_player (struct World * world, char d) {
+// Move player in direction d, increment turn counter and update log.
+ static char prev = 0;
+ char success = 0;
+ char * dir;
+ char ty = world->player->y;
+ char tx = world->player->x;
+ if ('s' == d) {
+ dir = "south";
+ ty++; }
+ if ('n' == d) {
+ dir = "north";
+ ty--; }
+ if ('w' == d) {
+ dir = "west";
+ tx--; }
+ if ('e' == d) {
+ dir = "east";
+ 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 {
+ 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;
+ 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;
init_keybindings(&world);
+ world.turn = 0;
+ world.log = calloc(1, sizeof(char));
+ update_log (&world, "Start!");
+ struct Map map = init_map();
+ world.map = ↦
+ struct Player player;
+ 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();
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;
- struct Map map = init_map();
- win_map.data = ↦
-
- world.turn = 0;
+ win_map.data = &world;
struct Win win_info = init_window(&win_meta, "Info");
win_info.draw = draw_info;
win_info.data = &world;
-
- world.log = calloc(1, sizeof(char));
struct Win win_log = init_window(&win_meta, "Log");
win_log.draw = draw_log;
win_log.data = &world;
- update_log (&world, "Start!");
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--;
- else if (key == get_action_key(world.keybindings, "player down") && map.player_y < map.height - 1) {
- update_info (&world);
- update_log (&world, "\nYou move south.");
- map.player_y++; }
- else if (key == get_action_key(world.keybindings, "player up") && map.player_y > 0) {
- update_info (&world);
- update_log (&world, "\nYou move north.");
- map.player_y--; }
- else if (key == get_action_key(world.keybindings, "player right") && map.player_x < map.width - 1) {
- update_info (&world);
- update_log (&world, "\nYou move east.");
- map.player_x++; }
- else if (key == get_action_key(world.keybindings, "player left") && map.player_x > 0) {
- update_info (&world);
- update_log (&world, "\nYou move west.");
- map.player_x--; }
- else if (key == get_action_key(world.keybindings, "wait") ) {
- update_info (&world);
- update_log (&world, "\nYou wait."); } }
+ 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); }
free(map.cells);
for (key = 0; key <= world.keyswindata->max; key++)
projects / plomrogue / blobdiff