X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;ds=sidebyside;f=src%2Froguelike.c;h=dbbcc34ed107de62f317ab14ba204ca876490635;hb=aad53c1436305e9f014a64d740431ed3d75c1839;hp=058ed07809bbfdec6e52fbbace0fe48fbf48b53b;hpb=64e1bc2a874308530b7b45c33ed5d37f34f5f8be;p=plomrogue

diff --git a/src/roguelike.c b/src/roguelike.c
index 058ed07..dbbcc34 100644
--- a/src/roguelike.c
+++ b/src/roguelike.c
@@ -23,34 +23,65 @@ uint16_t rrand(char use_seed, uint32_t new_seed) {
   seed = ((seed * 1103515245) + 12345) % 2147483648;   // Values as recommended by POSIX.1-2001 (see rand(3)).
   return (seed / 65536); }                         // Ignore least significant 16 bits (they are less random).
 
+void update_log (struct World * world, char * text) {
+// Update log with new text to be appended.
+  char * new_text;
+  uint16_t len_old = strlen(world->log);
+  uint16_t len_new = strlen(text);
+  uint16_t 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; }
+
 struct Map init_map () {
 // Initialize map with some experimental start values.
   struct Map map;
-  map.width = 64;
-  map.height = 64;
-  map.offset_x = 0;
-  map.offset_y = 0;
-  uint32_t size = map.width * map.height;
+  map.size.x = 64;
+  map.size.y = 64;
+  map.offset.x = 0;
+  map.offset.y = 0;
+  uint32_t size = map.size.x * map.size.y;
   map.cells = malloc(size);
   uint16_t y, x;
-  for (y = 0; y < map.height; y++)
-    for (x = 0; x < map.width; x++)
-      map.cells[(y * map.width) + x] = '~';
-  map.cells[size / 2 + (map.width / 2)] = '.';
+  for (y = 0; y < map.size.y; y++)
+    for (x = 0; x < map.size.x; x++)
+      map.cells[(y * map.size.x) + x] = '~';
+  map.cells[size / 2 + (map.size.x / 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;
+    y = rrand(0, 0) % map.size.y;
+    x = rrand(0, 0) % map.size.x;
+    curpos = y * map.size.x + 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 && curpos % map.width != 0 && '.' == map.cells[curpos-1])
-         || (curpos < (map.width * map.height) && (curpos+1) % map.width != 0 && '.' == map.cells[curpos+1])))
-      map.cells[y * map.width + x] = '.'; }
+        (   (curpos >= map.size.x && '.' == map.cells[curpos - map.size.x])
+         || (curpos < map.size.x * (map.size.y-1) && '.' == map.cells[curpos + map.size.x])
+         || (curpos > 0 && curpos % map.size.x != 0 && '.' == map.cells[curpos-1])
+         || (curpos < (map.size.x * map.size.y) && (curpos+1) % map.size.x != 0 && '.' == map.cells[curpos+1])))
+      map.cells[y * map.size.x + x] = '.'; }
   return map; }
 
+void map_scroll (struct Map * map, char dir) {
+// Scroll map into direction dir if possible by changing the offset.
+  if      (NORTH == dir && map->offset.y > 0) map->offset.y--;
+  else if (SOUTH == dir)                      map->offset.y++;
+  else if (WEST  == dir && map->offset.x > 0) map->offset.x--;
+  else if (EAST  == dir)                      map->offset.x++; }
+
+void turn_over (struct World * world, char action) {
+// Record action in game record file, increment turn and move enemy.
+  if (1 == world->interactive) {
+    FILE * file = fopen("record", "a");
+    fputc(action, file);
+    fclose(file); }
+  world->turn++;
+  rrand(1, world->seed * world->turn);
+  struct Monster * monster;
+  for (monster = world->monster; monster != 0; monster = monster->next)
+    move_monster(world, monster); }
+
 void save_game(struct World * world) {
 // Save game data to game file.
   FILE * file = fopen("savefile", "w");
@@ -66,11 +97,13 @@ void save_game(struct World * world) {
   write_uint16_bigendian(world->monster->next->next->pos.x, file);
   fclose(file); }
 
-void record_action (char action) {
-// Append action to game record file.
-  FILE * file = fopen("record", "a");
-  fputc(action, file);
-  fclose(file); }
+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 < map->size.x && 0 <= y && y < map->size.y)
+    if ('.' == map->cells[y * map->size.x + x])
+      passable = 1;
+  return passable; }
 
 struct yx_uint16 mv_yx_in_dir (char d, struct yx_uint16 yx) {
 // Return yx coordinates one step to the direction d of yx.
@@ -80,37 +113,29 @@ struct yx_uint16 mv_yx_in_dir (char d, struct yx_uint16 yx) {
   else if (d == WEST)  yx.x--;
   return yx; }
 
-void next_turn (struct World * world) {
-// Increment turn and move enemy.
-  world->turn++;
-  rrand(1, world->seed * world->turn);
-  char d;
-  struct Monster * monster;
-  for (monster = world->monster; monster != 0; monster = monster->next) {
-    d = rrand(0, 0) % 5;
-    struct yx_uint16 t = mv_yx_in_dir (d, monster->pos);
-    if (yx_uint16_cmp(t, world->player->pos))
-      update_log(world, "\nThe monster hits you.");
-    else if (is_passable(world->map, t.y, t.x))
-      monster->pos = t; } }
-
-void update_log (struct World * world, char * text) {
-// Update log with new text to be appended.
-  char * new_text;
-  uint16_t len_old = strlen(world->log);
-  uint16_t len_new = strlen(text);
-  uint16_t 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 move_monster (struct World * world, struct Monster * monster) {
+// Move monster in random direction, trigger fighting when hindered by player/monster.
+  char d = rrand(0, 0) % 5;
+  struct yx_uint16 t = mv_yx_in_dir (d, monster->pos);
+  if (yx_uint16_cmp (t, world->player->pos)) {
+    update_log (world, "\nThe monster hits you.");
+    return; }
+  char met_monster = 0;
+  struct Monster * other_monster;
+  for (other_monster = world->monster; other_monster != 0; other_monster = other_monster->next) {
+    if (other_monster == monster)
+      continue;
+    if (yx_uint16_cmp (t, other_monster->pos)) {
+      met_monster = 1;
+      break; } }
+  if (met_monster)
+    update_log (world, "\nMonster hits monster.");
+  else if (is_passable(world->map, t.y, t.x))
+    monster->pos = t; }
 
 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;
   struct yx_uint16 t = mv_yx_in_dir (d, world->player->pos);
   struct Monster * monster;
   for (monster = world->monster; monster != 0; monster = monster->next)
@@ -120,42 +145,27 @@ void move_player (struct World * world, char d) {
   if (2 != success && is_passable(world->map, t.y, t.x)) {
     success = 1;
     world->player->pos = t; }
-  if (success * d == prev)
-    update_log (world, ".");
+  if (2 == success)
+    update_log (world, "\nYou hit the monster.");
   else {
-    if (2 == success)
-      update_log (world, "\nYou hit the monster.");
-    else {
-      if      (NORTH == d) dir = "north";
-      else if (EAST  == d) dir = "east" ;
-      else if (SOUTH == d) dir = "south";
-      else if (WEST  == d) dir = "west" ;
-      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;
-  if (1 == world->interactive)
-    record_action(d);
-  next_turn (world); }
-
-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 < map->width && 0 <= y && y < map->height)
-    if ('.' == map->cells[y * map->width + x])
-      passable = 1;
-  return passable; }
+    char * dir;
+    if      (NORTH == d) dir = "north";
+    else if (EAST  == d) dir = "east" ;
+    else if (SOUTH == d) dir = "south";
+    else if (WEST  == d) dir = "west" ;
+    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); }
+  turn_over (world, d); }
 
 void player_wait (struct World * world) {
 // Make player wait one turn.
-  if (1 == world->interactive)
-    record_action(0);
-  next_turn (world);
-  update_log (world, "\nYou wait."); }
+  update_log (world, "\nYou wait.");
+  turn_over (world, 0); }
 
 void toggle_window (struct WinMeta * win_meta, struct Win * win) {
 // Toggle display of window win.
@@ -186,17 +196,6 @@ void growshrink_active_window (struct WinMeta * win_meta, char change) {
       width++;
     resize_active_win (win_meta, height, width); } }
 
-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++; }
-
 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.
@@ -239,13 +238,13 @@ unsigned char meta_keys(int key, struct World * world, struct WinMeta * win_meta
   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 (world->map, 'n');
+    map_scroll (world->map, NORTH);
   else if (key == get_action_key(world->keybindings, "map down"))
-    map_scroll (world->map, 's');
+    map_scroll (world->map, SOUTH);
   else if (key == get_action_key(world->keybindings, "map right"))
-    map_scroll (world->map, 'e');
+    map_scroll (world->map, EAST);
   else if (key == get_action_key(world->keybindings, "map left"))
-    map_scroll (world->map, 'w');
+    map_scroll (world->map, WEST);
   return 0; }
 
 int main (int argc, char *argv[]) {
@@ -318,13 +317,13 @@ int main (int argc, char *argv[]) {
   world.map = &map;
   if (1 == world.turn) {
     for (player.pos.y = player.pos.x = 0; 0 == is_passable(&map, player.pos.y, player.pos.x);) {
-      player.pos.y = rrand(0, 0) % map.height;
-      player.pos.x = rrand(0, 0) % map.width; }
+      player.pos.y = rrand(0, 0) % map.size.y;
+      player.pos.x = rrand(0, 0) % map.size.x; }
     struct Monster * monster;
     for (monster = world.monster; monster != 0; monster = monster->next)
       for (monster->pos.y = monster->pos.x = 0; 0 == is_passable(&map, monster->pos.y, monster->pos.x);) {
-        monster->pos.y = rrand(0, 0) % map.height;
-        monster->pos.x = rrand(0, 0) % map.width; } }
+        monster->pos.y = rrand(0, 0) % map.size.y;
+        monster->pos.x = rrand(0, 0) % map.size.x; } }
 
   // Initialize window system and windows.
   WINDOW * screen = initscr();