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base-costume.cpp

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001  Ludvig Strigeus
 * Copyright (C) 2001-2005 The ScummVM project
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $Header: /cvsroot/scummvm/scummvm/scumm/base-costume.cpp,v 2.31.2.1 2005/10/18 02:11:21 sev Exp $
 *
 */

#include "common/stdafx.h"
#include "scumm/base-costume.h"
#include "scumm/costume.h"

namespace Scumm {

byte BaseCostumeRenderer::drawCostume(const VirtScreen &vs, int numStrips, const Actor *a, bool drawToBackBuf) {
      int i;
      byte result = 0;

      _out = vs;
      if (drawToBackBuf)
            _out.pixels = vs.getBackPixels(0, 0);
      else
            _out.pixels = vs.getPixels(0, 0);

      _actorX += _vm->virtscr[0].xstart & 7;
      _out.w = _out.pitch;
      _out.pixels = (byte *)_out.pixels - (_vm->virtscr[0].xstart & 7);

      _numStrips = numStrips;

      if (_vm->_version == 1) {
            _xmove = 0;
            _ymove = 0;
      } else if (_vm->_features & GF_OLD_BUNDLE) {
            _xmove = -72;
            _ymove = -100;
      } else {
            _xmove = _ymove = 0;
      }
      for (i = 0; i < 16; i++)
            result |= drawLimb(a, i);
      return result;
}

void BaseCostumeRenderer::codec1_ignorePakCols(Codec1 &v1, int num) {
      num *= _height;

      do {
            v1.replen = *_srcptr++;
            v1.repcolor = v1.replen >> v1.shr;
            v1.replen &= v1.mask;

            if (!v1.replen)
                  v1.replen = *_srcptr++;

            do {
                  if (!--num)
                        return;
            } while (--v1.replen);
      } while (1);
}

bool ScummEngine::isCostumeInUse(int cost) const {
      int i;
      Actor *a;

      if (_roomResource != 0)
            for (i = 1; i < _numActors; i++) {
                  a = derefActor(i);
                  if (a->isInCurrentRoom() && a->_costume == cost)
                        return true;
            }

      return false;
}

} // End of namespace Scumm

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