X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=roguelike.c;h=e7ece3a0a58601b8d99a22b40ec1a10959e28422;hb=ed160c85898e726c7daf6b329f5e807e760ba3ed;hp=a9d355383386d87653cd214553ffc37d53474167;hpb=838e77016ac35c89125f6885f82938d8d7d7080a;p=plomrogue

diff --git a/roguelike.c b/roguelike.c
index a9d3553..e7ece3a 100644
--- a/roguelike.c
+++ b/roguelike.c
@@ -4,14 +4,14 @@
 #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;
@@ -22,11 +22,41 @@ struct KeysWinData {
   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 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.
@@ -87,126 +117,39 @@ void draw_text_from_bottom (struct Win * win, char * text) {
 
 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;
@@ -242,6 +185,13 @@ void draw_keys_window (struct Win * win) {
         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 init_keybindings(struct World * world) {
 // Initialize keybindings from file "keybindings".
   FILE * file = fopen("keybindings", "r");
@@ -278,6 +228,71 @@ void init_keybindings(struct World * world) {
   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;
@@ -296,9 +311,142 @@ void save_keybindings(struct World * world) {
   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 = &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();
@@ -310,22 +458,15 @@ int main () {
   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 = &map;
-
-  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) {
@@ -334,9 +475,9 @@ int main () {
     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"))
@@ -345,13 +486,13 @@ int main () {
       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)
+    else if (key == get_action_key(world.keybindings, "shift forwards"))
       shift_window(&win_meta, 'f');
-    else if (key == get_action_key(world.keybindings, "shift backwards") && win_meta.active != 0)
+    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, '*');
@@ -363,44 +504,30 @@ int main () {
       resize_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++)