Corrected vertical scroll hint counting.

[plomrogue] / roguelike.c

diff --git a/roguelike.c b/roguelike.c
index 9a1849caf3330de61599db861d4c3a133fad112e..894fa59095a6c071c6b2b08ccb17b5f0763dffed 100644 (file)
--- a/roguelike.c
+++ b/roguelike.c
@@ -54,17 +54,6 @@ void write_uint32_bigendian(uint32_t x, FILE * file) {
   fputc(c, file);
   fputc(d, file); }
 
-void load_game(struct World * world) {
-// Load game data from game file.
-  FILE * file = fopen("savefile", "r");
-  world->seed = read_uint32_bigendian(file);
-  world->turn = read_uint32_bigendian(file);
-  world->player->y = read_uint16_bigendian(file);
-  world->player->x = read_uint16_bigendian(file);
-  world->monster->y = read_uint16_bigendian(file);
-  world->monster->x = read_uint16_bigendian(file);
-  fclose(file); }
-
 void save_game(struct World * world) {
 // Save game data to game file.
   FILE * file = fopen("savefile", "w");
@@ -105,19 +94,25 @@ struct Map init_map () {
   map.height = 64;
   map.offset_x = 0;
   map.offset_y = 0;
-  map.cells = malloc(map.width * map.height);
-  uint16_t x, y, ran;
-  char terrain;
+  uint32_t size = map.width * map.height;
+  map.cells = malloc(size);
+  uint16_t y, x;
   for (y = 0; y < map.height; y++)
-    for (x = 0; x < map.width; x++) {
-      terrain = '.';
-      ran = rrand(0, 0);
-      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; }
+    for (x = 0; x < map.width; x++)
+      map.cells[(y * map.width) + x] = '~';
+  map.cells[size / 2 + (map.width / 2)] = '.';
+  uint32_t repeats, root, curpos;
+  for (root = 0; root * root * root < size; root++);
+  for (repeats = 0; repeats < size * root; repeats++) {
+    y = rrand(0, 0) % map.height;
+    x = rrand(0, 0) % map.width;
+    curpos = y * map.width + x;
+    if ('~' == map.cells[curpos] &&
+        (   (curpos >= map.width && '.' == map.cells[curpos - map.width])
+         || (curpos < map.width * (map.height - 1) && '.' == map.cells[curpos + map.width])
+         || (curpos > 0 && '.' == map.cells[curpos - 1] && curpos % map.width != 0)
+         || (curpos < (map.width * map.height) && '.' == map.cells[curpos + 1] && (curpos + 1) % map.width != 0)))
+      map.cells[y * map.width + x] = '.'; }
   return map; }
 
 void map_scroll (struct Map * map, char dir) {
@@ -148,7 +143,7 @@ void next_turn (struct World * world) {
     tx--;
   if (tx == world->player->x && ty == world->player->y)
     update_log(world, "\nThe monster hits you.");
-  else if (is_passable(world, tx, ty)) {
+  else if (is_passable(world->map, ty, tx)) {
     world->monster->y = ty;
     world->monster->x = tx; } }
 
@@ -164,11 +159,11 @@ void update_log (struct World * world, char * text) {
   free(world->log);
   world->log = new_text; }
 
-char is_passable (struct World * world, uint16_t x, uint16_t y) {
+char is_passable (struct Map * map, uint16_t y, uint16_t x) {
 // 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])
+  if (0 <= x && x < map->width && 0 <= y && y < map->height)
+    if ('.' == map->cells[y * map->width + x])
       passable = 1;
   return passable; }
 
@@ -199,7 +194,7 @@ void move_player (struct World * world, char d) {
     tx++; }
   if (ty == world->monster->y && tx == world->monster->x)
     success = 2;
-  else if (is_passable(world, tx, ty)) {
+  else if (is_passable(world->map, ty, tx)) {
     success = 1;
     world->player->y = ty;
     world->player->x = tx; }
@@ -228,14 +223,6 @@ void player_wait (struct World * world) {
   next_turn (world);
   update_log (world, "\nYou wait."); }
 
-void startpos(struct World * world) {
-// Initialize some default starting values.
-  world->turn = 1;
-  world->player->y = 8;
-  world->player->x = 8;
-  world->monster->y = 55;
-  world->monster->x = 55; }
-
 unsigned char meta_keys(int key, struct World * world, struct WinMeta * win_meta, struct Win * win_keys,
                         struct Win * win_map, struct Win * win_info, struct Win * win_log) {
 // Call some meta program / window management actions dependent on key. Return 1 to signal quitting.
@@ -303,7 +290,6 @@ int main (int argc, char *argv[]) {
       default:
         exit(EXIT_FAILURE); } }
 
-  init_keybindings(&world);
   world.log = calloc(1, sizeof(char));
   update_log (&world, " ");
   struct Player player;
@@ -311,29 +297,42 @@ int main (int argc, char *argv[]) {
   struct Monster monster;
   world.monster = &monster;
   FILE * file;
-
-  if (0 == world.interactive) {
-    startpos(&world);
-    file = fopen("record", "r");
-    world.seed = read_uint32_bigendian(file); }
+  if (1 == world.interactive && 0 == access("savefile", F_OK)) {
+    file = fopen("savefile", "r");
+    world.seed = read_uint32_bigendian(file);
+    world.turn = read_uint32_bigendian(file);
+    player.y = read_uint16_bigendian(file);
+    player.x = read_uint16_bigendian(file);
+    monster.y = read_uint16_bigendian(file);
+    monster.x = read_uint16_bigendian(file);
+    fclose(file); }
   else {
-    if (0 == access("savefile", F_OK))
-      load_game(&world);
+    world.turn = 1;
+    if (0 == world.interactive) {
+      file = fopen("record", "r");
+      world.seed = read_uint32_bigendian(file); }
     else {
-      startpos(&world);
-      world.seed = time(NULL);
       file = fopen("record", "w");
+      world.seed = time(NULL);
       write_uint32_bigendian(world.seed, file);
       fclose(file); } }
   rrand(1, world.seed);
   struct Map map = init_map();
   world.map = &map;
+  if (1 == world.turn) {
+    for (player.y = player.x = 0; 0 == is_passable(&map, player.y, player.x);) {
+      player.y = rrand(0, 0) % map.height;
+      player.x = rrand(0, 0) % map.width; }
+    for (monster.y = monster.x = 0; 0 == is_passable(&map, monster.y, monster.x);) {
+      monster.y = rrand(0, 0) % map.height;
+      monster.x = rrand(0, 0) % map.width; } }
 
   WINDOW * screen = initscr();
   noecho();
   curs_set(0);
   keypad(screen, TRUE);
   raw();
+  init_keybindings(&world);
   struct WinMeta win_meta = init_win_meta(screen);
   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);