/* Started file Sept 1996 - initialization of gods in form of a
 * linked list -b.t.
 */

#include <global.h>
#include <living.h>
#include <spells.h>

//TODO: make a constructor
static godlink *
init_godslist (void)
{
  godlink *gl = new godlink;

  // name=NULL;        /* how to describe the god to the player */
  // arch=NULL;       /* pointer to the archetype of this god */
  // id=0;             /* id of the god */
  // pantheon=NULL;    /* the group to which the god belongs (not implemented) */
  // next=NULL;        /* next god in this linked list */

  return gl;
}

/* init_gods() - this takes a look at all of the archetypes to find
 * the objects which correspond to the GODS (type GOD) */

void
init_gods (void)
{
  archetype *at = NULL;

  LOG (llevDebug, "Initialising gods...\n");
  for (at = first_archetype; at != NULL; at = at->next)
    if (at->clone.type == GOD)
      add_god_to_list (at);

  LOG (llevDebug, "done.\n");
}

/* add_god_to_list()- called only from init_gods */
void
add_god_to_list (archetype *god_arch)
{
  godlink *god;

  if (!god_arch)
    {
      LOG (llevError, "ERROR: Tried to add null god to list!\n");
      return;
    }

  god = init_godslist ();

  god->arch = god_arch;
  god->name = god_arch->clone.name;
  if (!first_god)
    god->id = 1;
  else
    {
      god->id = first_god->id + 1;
      god->next = first_god;
    }
  first_god = god;

#ifdef DEBUG_GODS
  LOG (llevDebug, "Adding god %s (%d) to list\n", &god->name, god->id);
#endif
}

/* baptize_altar() - (cosmetically) change the name to that of the
 * god in question, then set the title for later use. -b.t.
 */

int
baptize_altar (object *op)
{
  char buf[MAX_BUF];

  /* if the title field is pre-set, then that altar is
   * already dedicated. */
  if (!op->title)
    {
      godlink *god = get_rand_god ();

      if (!god || !god->name)
        {
          LOG (llevError, "baptise_altar(): bizarre nameless god!\n");
          return 0;
        }
      /* if the object name hasnt' been changed, we tack on the gods name */
      if (!strcmp (op->name, op->arch->clone.name))
        {
          sprintf (buf, "%s of %s", &op->name, &god->name);
          op->name = buf;
        }
      op->title = god->name;
      return 1;
    }
  return 0;
}

godlink *
get_rand_god (void)
{
  godlink *god = first_god;
  int i;

  if (god)
    for (i = RANDOM () % (god->id) + 1; god; god = god->next)
      if (god->id == i)
        break;

  if (!god)
    LOG (llevError, "get_rand_god(): can't find a random god!\n");
  return god;
}

/* pntr_to_god_obj() - returns a pointer to the object
 * We need to be VERY carefull about using this, as we
 * are returning a pointer to the CLONE object. -b.t.
 */
object *
pntr_to_god_obj (godlink *godlnk)
{
  object *god = NULL;

  if (godlnk && godlnk->arch)
    god = &godlnk->arch->clone;
  return god;
}

void
free_all_god (void)
{
  godlink *god, *godnext;

  LOG (llevDebug, "Freeing god information\n");
  for (god = first_god; god; god = godnext)
    {
      godnext = god->next;
      delete god;
    }
}