/*
 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
 * 
 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
 * Copyright (©) 1992,2007 Frank Tore Johansen
 * 
 * Crossfire TRT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 * for more details.
 * 
 * You should have received a copy of the GNU General Public License along
 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 * 
 * The authors can be reached via e-mail to <crossfire@schmorp.de>
 */

#include <global.h>
#include <stdio.h>

#include "face.h"
#include "crc.h"

faceidx blank_face, empty_face;

facehash_t facehash;
std::vector<faceinfo> faces;

/* the only thing this table is used for now is to
 * translate the colorname in the magicmap field of the
 * face into a numeric index that is then sent to the
 * client for magic map commands.  The order of this table
 * must match that of the NDI colors in include/newclient.h.
 */
static const char *const colorname[] = {
  "black",                      /* 0  */
  "white",                      /* 1  */
  "blue",                       /* 2  */
  "red",                        /* 3  */
  "orange",                     /* 4  */
  "light_blue",                 /* 5  */
  "dark_orange",                /* 6  */
  "green",                      /* 7  */
  "light_green",                /* 8  */
  "grey",                       /* 9  */
  "brown",                      /* 10 */
  "yellow",                     /* 11 */
  "khaki"                       /* 12 */
};

/*
 * Returns the matching color in the coloralias if found,
 * 0 otherwise.  Note that 0 will actually be black, so there is no
 * way the calling function can tell if an error occurred or not
 */
static uint8
find_color (const char *name)
{
  uint8 i;

  for (i = 0; i < sizeof (colorname) / sizeof (*colorname); i++)
    if (!strcmp (name, colorname[i]))
      return i;

  LOG (llevError, "Unknown color: %s\n", name);
  return 0;
}

faceidx
face_find (const char *name, faceidx defidx)
{
  if (!name)
    return defidx;

  facehash_t::iterator i = facehash.find (name);

  return i == facehash.end ()
         ? defidx : i->second;
}

faceinfo *
face_info (faceidx idx)
{
  assert (0 < (faceidx)-1); // faceidx must be unsigned

  if (idx >= faces.size ())
    return 0;

  return &faces [idx];
}

facedata *
face_data (faceidx idx, int faceset)
{
  if (faceinfo *f = face_info (idx))
    return &(faceset && !f->type ? f->data64 : f->data32);

  return 0;
}