X-Git-Url: https://plomlompom.com/repos/berlin_corona.txt?a=blobdiff_plain;ds=sidebyside;f=roguelike.c;h=4e369bc75875e165758d2223cb416281683c50e2;hb=b34c99f3322baff9eefdc567691101c9fd39dc45;hp=4bc6f74f6ef2ada3da10759d5361502128fd81b3;hpb=de5e703e644f824d7d688e64def1afb554675b13;p=plomrogue

diff --git a/roguelike.c b/roguelike.c
index 4bc6f74..4e369bc 100644
--- a/roguelike.c
+++ b/roguelike.c
@@ -10,6 +10,7 @@ struct World {
   int turn;
   char * log;
   struct Map * map;
+  struct Monster * monster;
   struct Player * player; };
 
 struct KeyBinding {
@@ -32,6 +33,10 @@ 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 *);
@@ -46,6 +51,8 @@ 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.
@@ -106,14 +113,15 @@ 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 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;
@@ -124,14 +132,16 @@ void draw_map (struct Win * win) {
       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;
+  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); }
@@ -217,18 +227,23 @@ void init_keybindings(struct World * world) {
 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) {
@@ -315,6 +330,53 @@ char * get_keyname(int keycode) {
     sprintf(keyname, "(unknown)");
   return keyname;  }
 
+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]
+        && (y != world->monster->y || x != world->monster->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;
+  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) {
+    dir = "north";
+    if (is_passable(world, world->player->x, world->player->y - 1)) {
+      world->player->y--;
+      success = 1; } }
+  else 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) {
+    dir = "east";
+    if (is_passable(world, world->player->x + 1, world->player->y)) {
+      world->player->x++;
+      success = 1; } }
+  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); }
+  prev = success * d;
+  update_info (world); }
+
 int main () {
   struct World world;
   init_keybindings(&world);
@@ -324,9 +386,13 @@ int main () {
   struct Map map = init_map();
   world.map = &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();
@@ -338,15 +404,12 @@ 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;
   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;
@@ -406,22 +469,14 @@ int main () {
       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") && player.y < map.height - 1) {
-      update_info (&world);
-      update_log (&world, "\nYou move south.");
-      player.y++; }
-    else if (key == get_action_key(world.keybindings, "player up") && player.y > 0) {
-      update_info (&world);
-      update_log (&world, "\nYou move north.");
-      player.y--; }
-    else if (key == get_action_key(world.keybindings, "player right") && player.x < map.width - 1) {
-      update_info (&world);
-      update_log (&world, "\nYou move east.");
-      player.x++; }
-    else if (key == get_action_key(world.keybindings, "player left") && player.x > 0) {
-      update_info (&world);
-      update_log (&world, "\nYou move west.");
-      player.x--; }
+    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") ) {
       update_info (&world);
       update_log (&world, "\nYou wait."); } }