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sprite_he.cpp

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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.
 *
 * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-11-1/engines/scumm/he/sprite_he.cpp $
 * $Id: sprite_he.cpp 30944 2008-02-23 22:50:18Z sev $
 *
 */



#include "scumm/he/intern_he.h"
#include "scumm/resource.h"
#include "scumm/saveload.h"
#include "scumm/scumm.h"
#include "scumm/he/sprite_he.h"
#include "scumm/usage_bits.h"
#include "scumm/util.h"
#include "scumm/he/wiz_he.h"

namespace Scumm {

Sprite::Sprite(ScummEngine_v90he *vm) : _vm(vm) {
}

Sprite::~Sprite() {
      free(_spriteGroups);
      free(_spriteTable);
      free(_activeSpritesTable);
}

void ScummEngine_v90he::allocateArrays() {
      ScummEngine::allocateArrays();
      _sprite->allocTables(_numSprites, MAX(64, _numSprites / 4), 64);
}

void Sprite::getSpriteBounds(int spriteId, bool checkGroup, Common::Rect &bound) {
      assertRange(1, spriteId, _varNumSprites, "sprite");
      int32 spr_wiz_x, spr_wiz_y;
      int angle, scale, x1, y1;
      int32 w, h;

      SpriteInfo *spi = &_spriteTable[spriteId];

      _vm->_wiz->getWizImageSpot(spi->image, spi->imageState, spr_wiz_x, spr_wiz_y);
      if (checkGroup && spi->group) {
            SpriteGroup *spg = &_spriteGroups[spi->group];

            if (spg->scaling) {
                  x1 = spi->tx * spg->scale_x_ratio_mul / spg->scale_x_ratio_div - spr_wiz_x + spg->tx;
                  y1 = spi->ty * spg->scale_y_ratio_mul / spg->scale_y_ratio_div - spr_wiz_y + spg->ty;
            } else {
                  x1 = spi->tx - spr_wiz_x + spg->tx;
                  y1 = spi->ty - spr_wiz_y + spg->ty;
            }
      } else {
            x1 = spi->tx - spr_wiz_x;
            y1 = spi->ty - spr_wiz_y;
      }

      if (spi->image) {
            angle = spi->angle;
            scale = spi->scale;
            _vm->_wiz->getWizImageDim(spi->image, spi->imageState, w, h);
            if (spi->flags & (kSFScaled | kSFRotated)) {
                  Common::Point pts[4];
                  _vm->_wiz->polygonTransform(spi->image, spi->imageState, x1, y1, angle, scale, pts);
                  _vm->_wiz->polygonCalcBoundBox(pts, 4, bound);
            } else {
                  bound.left = x1;
                  bound.top = y1;
                  bound.right = x1 + w;
                  bound.bottom = y1 + h;
            }
      } else {
            bound.left = 1234;
            bound.top = 1234;
            bound.right = -1234;
            bound.bottom = -1234;
      }
}

//
// spriteInfoGet functions
//
int Sprite::findSpriteWithClassOf(int x_pos, int y_pos, int spriteGroupId, int type, int num, int *args) {
      debug(2, "findSprite: x %d, y %d, spriteGroup %d, type %d, num %d", x_pos, y_pos, spriteGroupId, type, num);
      Common::Point pos[1];
      bool cond;
      int code, classId;

      for (int i = (_numSpritesToProcess - 1); i >= 0; i--) {
            SpriteInfo *spi = _activeSpritesTable[i];
            if (!spi->curImage)
                  continue;

            if (spriteGroupId && spi->group != spriteGroupId)
                  continue;

            cond = true;
            for (int j = 0; j < num; j++) {
                  code = classId = args[j];
                  classId &= 0x7F;
                  assertRange(1, classId, 32, "class");
                  if (code & 0x80) {
                        if (!(spi->classFlags & (1 << (classId - 1))))
                              cond = 0;
                  } else {
                        if ((spi->classFlags & (1 << (classId - 1))))
                              cond = 0;
                  }
            }
            if (!cond)
                  continue;

            if (type) {
                  if (spi->bbox.left > spi->bbox.right)
                        continue;
                  if (spi->bbox.top > spi->bbox.bottom)
                        continue;
                  if (spi->bbox.left > x_pos)
                        continue;
                  if (spi->bbox.top > y_pos)
                        continue;
                  if (spi->bbox.right < x_pos)
                        continue;
                  if (spi->bbox.bottom < y_pos)
                        continue;
                  return spi->id;
            } else {
                  int image, imageState, angle, scale;
                  int32 w, h;

                  image = spi->curImage;
                  if (spi->maskImage) {
                        int32 x1, x2, y1, y2;

                        imageState = spi->curImageState % _vm->_wiz->getWizImageStates(spi->maskImage);

                        pos[0].x = x_pos - spi->pos.x;
                        pos[0].y = y_pos - spi->pos.y;

                        _vm->_wiz->getWizImageSpot(spi->curImage, imageState, x1, y1);
                        _vm->_wiz->getWizImageSpot(spi->maskImage, imageState, x2, y2);

                        pos[0].x += (x2 - x1);
                        pos[0].y += (y2 - y1);
                  } else {
                        if (spi->bbox.left > spi->bbox.right)
                              continue;
                        if (spi->bbox.top > spi->bbox.bottom)
                              continue;
                        if (spi->bbox.left > x_pos)
                              continue;
                        if (spi->bbox.top > y_pos)
                              continue;
                        if (spi->bbox.right < x_pos)
                              continue;
                        if (spi->bbox.bottom < y_pos)
                              continue;

                        pos[0].x = x_pos - spi->pos.x;
                        pos[0].y = y_pos - spi->pos.y;
                        imageState = spi->curImageState;
                  }

                  angle = spi->curAngle;
                  scale = spi->curScale;
                  if ((spi->flags & kSFScaled) || (spi->flags & kSFRotated)) {
                        if (spi->flags & kSFScaled && scale) {
                              pos[0].x = pos[0].x * 256 / scale;
                              pos[0].y = pos[0].y * 256 / scale;
                        }
                        if (spi->flags & kSFRotated && angle) {
                              angle = (360 - angle) % 360;
                              _vm->_wiz->polygonRotatePoints(pos, 1, angle);
                        }

                        _vm->_wiz->getWizImageDim(image, imageState, w, h);
                        pos[0].x += w / 2;
                        pos[0].y += h / 2;
                  }

                  if (_vm->_wiz->isWizPixelNonTransparent(image, imageState, pos[0].x, pos[0].y, spi->curImgFlags))
                        return spi->id;
            }
      }

      return 0;
}

int Sprite::getSpriteClass(int spriteId, int num, int *args) {
      assertRange(1, spriteId, _varNumSprites, "sprite");
      int code, classId;

      if (num == 0)
            return _spriteTable[spriteId].classFlags;

      for (int i = 0; i < num; i++) {
            code = classId = args[i];
            classId &= 0x7F;
            assertRange(1, classId, 32, "class");
            if (code & 0x80) {
                  if (!(_spriteTable[spriteId].classFlags & (1 << (classId - 1))))
                        return 0;
            } else {
                  if ((_spriteTable[spriteId].classFlags & (1 << (classId - 1))))
                        return 0;
            }
      }

      return 1;
}

int Sprite::getSpriteFlagDoubleBuffered(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return ((_spriteTable[spriteId].flags & kSFDoubleBuffered) != 0) ? 1 : 0;
}

int Sprite::getSpriteFlagYFlipped(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return ((_spriteTable[spriteId].flags & kSFYFlipped) != 0) ? 1 : 0;
}

int Sprite::getSpriteFlagXFlipped(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return ((_spriteTable[spriteId].flags & kSFXFlipped) != 0) ? 1 : 0;
}

int Sprite::getSpriteFlagActive(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return ((_spriteTable[spriteId].flags & kSFActive) != 0) ? 1 : 0;
}

int Sprite::getSpriteFlagRemapPalette(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return ((_spriteTable[spriteId].flags & kSFRemapPalette) != 0) ? 1 : 0;
}

int Sprite::getSpriteFlagAutoAnim(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return ((_spriteTable[spriteId].flags & kSFAutoAnim) != 0) ? 1 : 0;
}

int Sprite::getSpriteFlagUpdateType(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return ((_spriteTable[spriteId].flags & kSFMarkDirty) != 0) ? 1 : 0;
}

int Sprite::getSpriteFlagEraseType(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return ((_spriteTable[spriteId].flags & kSFImageless) != 0) ? 1 : 0;
}

int Sprite::getSpriteImage(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return _spriteTable[spriteId].image;
}

int Sprite::getSpriteImageState(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return _spriteTable[spriteId].imageState;
}

int Sprite::getSpriteGroup(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return _spriteTable[spriteId].group;
}

int Sprite::getSpritePalette(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return _spriteTable[spriteId].palette;
}

int Sprite::getSpritePriority(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return _spriteTable[spriteId].priority;
}

int Sprite::getSpriteDisplayX(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      if (_spriteTable[spriteId].group)
            return _spriteTable[spriteId].tx + _spriteGroups[_spriteTable[spriteId].group].tx;
      else
            return _spriteTable[spriteId].tx;
}

int Sprite::getSpriteDisplayY(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      if (_spriteTable[spriteId].group)
            return _spriteTable[spriteId].ty + _spriteGroups[_spriteTable[spriteId].group].ty;
      else
            return _spriteTable[spriteId].ty;
}

int Sprite::getSpriteUserValue(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return _spriteTable[spriteId].userValue;
}

int Sprite::getSpriteShadow(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return _spriteTable[spriteId].shadow;
}

int Sprite::getSpriteImageStateCount(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return _spriteTable[spriteId].imageStateCount;
}

int Sprite::getSpriteScale(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return _spriteTable[spriteId].scale;
}

int Sprite::getSpriteAnimSpeed(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return _spriteTable[spriteId].animSpeed;
}

int Sprite::getSpriteSourceImage(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return _spriteTable[spriteId].sourceImage;
}

int Sprite::getSpriteMaskImage(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      return _spriteTable[spriteId].maskImage;
}

int Sprite::getSpriteGeneralProperty(int spriteId, int type) {
      debug(0, "getSpriteGeneralProperty: spriteId %d type 0x%x", spriteId, type);
      assertRange(1, spriteId, _varNumSprites, "sprite");

      // XXX U32 related check

      switch (type) {
      case 0x7B:
            return _spriteTable[spriteId].imgFlags;
      case 0x7D:
            return _spriteTable[spriteId].field_90;
      case 0x7E:
            return _spriteTable[spriteId].animProgress;
      default:
            error("getSpriteGeneralProperty: Invalid type %d", type);
      }
}

void Sprite::getSpriteImageDim(int spriteId, int32 &w, int32 &h) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      if (_spriteTable[spriteId].image) {
            _vm->_wiz->getWizImageDim(_spriteTable[spriteId].image, _spriteTable[spriteId].imageState, w, h);
      } else {
            w = 0;
            h = 0;
      }
}

void Sprite::getSpritePosition(int spriteId, int32 &tx, int32 &ty) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      tx = _spriteTable[spriteId].tx;
      ty = _spriteTable[spriteId].ty;
}

void Sprite::getSpriteDist(int spriteId, int32 &dx, int32 &dy) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      dx = _spriteTable[spriteId].dx;
      dy = _spriteTable[spriteId].dy;
}

//
// spriteGroupGet functions
//
int ScummEngine_v90he::getGroupSpriteArray(int spriteGroupId) {
      int i, numSprites = 0;

      assertRange(1, spriteGroupId, _sprite->_varNumSpriteGroups, "sprite group");

      for (i = (_sprite->_varNumSprites - 1); i > 0; i--) {
            if (_sprite->_spriteTable[i].group == spriteGroupId)
                  numSprites++;
      }

      if (!numSprites)
            return 0;

      writeVar(0, 0);
      defineArray(0, kDwordArray, 0, 0, 0, numSprites);
      writeArray(0, 0, 0, numSprites);

      numSprites = 1;
      for (i = (_sprite->_varNumSprites - 1); i > 0; i--) {
            if (_sprite->_spriteTable[i].group == spriteGroupId) {
                  writeArray(0, 0, numSprites, i);
                  numSprites++;
            }
      }

      return readVar(0);
}

int Sprite::getGroupPriority(int spriteGroupId) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      return _spriteGroups[spriteGroupId].priority;
}

int Sprite::getGroupDstResNum(int spriteGroupId) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      return _spriteGroups[spriteGroupId].image;
}

int Sprite::getGroupXMul(int spriteGroupId) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      return _spriteGroups[spriteGroupId].scale_x_ratio_mul;
}

int Sprite::getGroupXDiv(int spriteGroupId) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      return _spriteGroups[spriteGroupId].scale_x_ratio_div;
}

int Sprite::getGroupYMul(int spriteGroupId) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      return _spriteGroups[spriteGroupId].scale_y_ratio_mul;
}

int Sprite::getGroupYDiv(int spriteGroupId) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      return _spriteGroups[spriteGroupId].scale_y_ratio_div;
}

void Sprite::getGroupPosition(int spriteGroupId, int32 &tx, int32 &ty) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      tx = _spriteGroups[spriteGroupId].tx;
      ty = _spriteGroups[spriteGroupId].ty;
}

//
// spriteInfoSet functions
//
void Sprite::setSpritePalette(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      if (_spriteTable[spriteId].palette != value) {
            _spriteTable[spriteId].palette = value;
            _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
      }
}

void Sprite::setSpriteSourceImage(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      if (_spriteTable[spriteId].sourceImage != value) {
            _spriteTable[spriteId].sourceImage = value;
            _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
      }
}

void Sprite::setSpriteMaskImage(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      _spriteTable[spriteId].maskImage = value;
}

void Sprite::setSpriteImageState(int spriteId, int state) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      if (_spriteTable[spriteId].image) {
            int imageStateCount = _spriteTable[spriteId].imageStateCount - 1;
            state = MAX(0, state);
            state = MIN(state, imageStateCount);

            if (_spriteTable[spriteId].imageState != state) {
                  _spriteTable[spriteId].imageState = state;
                  _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
            }
      }
}

void Sprite::setSpritePosition(int spriteId, int tx, int ty) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      if (_spriteTable[spriteId].tx != tx || _spriteTable[spriteId].ty != ty) {
            _spriteTable[spriteId].tx = tx;
            _spriteTable[spriteId].ty = ty;
            _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
      }
}

void Sprite::setSpriteGroup(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");
      assertRange(0, value, _varNumSpriteGroups, "sprite group");

      _spriteTable[spriteId].group = value;
      _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
}

void Sprite::setSpriteDist(int spriteId, int value1, int value2) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      _spriteTable[spriteId].dx = value1;
      _spriteTable[spriteId].dy = value2;
}

void Sprite::setSpriteShadow(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      _spriteTable[spriteId].shadow = value;
      if (_spriteTable[spriteId].image)
            _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
}

void Sprite::setSpriteUserValue(int spriteId, int value1, int value2) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      _spriteTable[spriteId].userValue = value2;
}

void Sprite::setSpritePriority(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      _spriteTable[spriteId].priority = value;
}

void Sprite::moveSprite(int spriteId, int value1, int value2) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      _spriteTable[spriteId].tx += value1;
      _spriteTable[spriteId].ty += value2;

      if  (value1 || value2)
            _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
}

void Sprite::setSpriteScale(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      _spriteTable[spriteId].flags |= kSFScaled;

      if (_spriteTable[spriteId].scale != value) {
            _spriteTable[spriteId].scale = value;

            if (_spriteTable[spriteId].image)
                  _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
      }
}

void Sprite::setSpriteAngle(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      _spriteTable[spriteId].flags |= kSFRotated;

      if (_spriteTable[spriteId].angle != value) {
            _spriteTable[spriteId].angle = value;

            if (_spriteTable[spriteId].image)
                  _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
      }
}

void Sprite::setSpriteFlagDoubleBuffered(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      int oldFlags = _spriteTable[spriteId].flags;
      if (value)
            _spriteTable[spriteId].flags |= kSFDoubleBuffered;
      else
            _spriteTable[spriteId].flags &= ~kSFDoubleBuffered;

      if (_spriteTable[spriteId].image && _spriteTable[spriteId].flags != oldFlags)
            _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
}

void Sprite::setSpriteFlagYFlipped(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      int oldFlags = _spriteTable[spriteId].flags;
      if (value)
            _spriteTable[spriteId].flags |= kSFYFlipped;
      else
            _spriteTable[spriteId].flags &= ~kSFYFlipped;

      if (_spriteTable[spriteId].image && _spriteTable[spriteId].flags != oldFlags)
            _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
}

void Sprite::setSpriteFlagXFlipped(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      int oldFlags = _spriteTable[spriteId].flags;
      if (value)
            _spriteTable[spriteId].flags |= kSFXFlipped;
      else
            _spriteTable[spriteId].flags &= ~kSFXFlipped;

      if (_spriteTable[spriteId].image && _spriteTable[spriteId].flags != oldFlags)
            _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
}

void Sprite::setSpriteFlagActive(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      if (value)
            _spriteTable[spriteId].flags |= kSFActive;
      else
            _spriteTable[spriteId].flags &= ~kSFActive;
}

void Sprite::setSpriteFlagRemapPalette(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      int oldFlags = _spriteTable[spriteId].flags;
      if (value)
            _spriteTable[spriteId].flags |= kSFRemapPalette;
      else
            _spriteTable[spriteId].flags &= ~kSFRemapPalette;

      if (_spriteTable[spriteId].image && _spriteTable[spriteId].flags != oldFlags)
            _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
}

void Sprite::setSpriteFlagAutoAnim(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      if (value)
            _spriteTable[spriteId].flags |= kSFAutoAnim;
      else
            _spriteTable[spriteId].flags &= ~kSFAutoAnim;
}

void Sprite::setSpriteFlagUpdateType(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      switch (value) {
      case 2:
            _spriteTable[spriteId].flags &= ~(kSFMarkDirty);
            _spriteTable[spriteId].flags |= kSFBlitDirectly;
            break;
      case 1:
            _spriteTable[spriteId].flags |= kSFMarkDirty | kSFBlitDirectly;
            break;
      case 0:
            _spriteTable[spriteId].flags &= ~(kSFMarkDirty | kSFBlitDirectly);
            break;
      default:
            error("setSpriteFlagUpdateType: Invalid value %d", value);
      }
}

void Sprite::setSpriteFlagEraseType(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      // Note that condition is inverted
      if (!value)
            _spriteTable[spriteId].flags |= kSFImageless;
      else
            _spriteTable[spriteId].flags &= ~kSFImageless;
}

void Sprite::setSpriteAnimSpeed(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      _spriteTable[spriteId].animSpeed = value;
      _spriteTable[spriteId].animProgress = value;
}

void Sprite::setSpriteSetClass(int spriteId, int classId, int toggle) {
      assertRange(1, spriteId, _varNumSprites, "sprite");
      assertRange(1, classId, 32, "class");

      if (toggle) {
            _spriteTable[spriteId].classFlags |= (1 << (classId - 1));
      } else {
            _spriteTable[spriteId].classFlags &= ~(1 << (classId - 1));
      }
}

void Sprite::setSpriteResetClass(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      _spriteTable[spriteId].classFlags = 0;
}

void Sprite::setSpriteField84(int spriteId, int value) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      _spriteTable[spriteId].field_84 = value;
}

void Sprite::setSpriteGeneralProperty(int spriteId, int type, int value) {
      debug(0, "setSpriteGeneralProperty: spriteId %d type 0x%x", spriteId, type);
      assertRange(1, spriteId, _varNumSprites, "sprite");
      int32 delay;

      // XXX U32 related check

      switch (type) {
      case 0x7B:
            _spriteTable[spriteId].imgFlags = value;
            _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
            break;
      case 0x7D:
            _spriteTable[spriteId].field_90 = value;
            _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
            break;
      case 0x7E:
            delay = MAX(0, value);
            delay = MIN(delay, _spriteTable[spriteId].animSpeed);

            _spriteTable[spriteId].animProgress = delay;
            break;
      default:
            error("setSpriteGeneralProperty: Invalid value %d", type);
      }
}

void Sprite::resetSprite(int spriteId) {
      assertRange(1, spriteId, _varNumSprites, "sprite");

      _spriteTable[spriteId].angle = 0;
      _spriteTable[spriteId].scale = 0;

      setSpriteImage(spriteId, 0);

      _spriteTable[spriteId].shadow = 0;
      _spriteTable[spriteId].tx = 0;
      _spriteTable[spriteId].ty = 0;

      _spriteTable[spriteId].flags &= ~(kSFYFlipped | kSFXFlipped);
      _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
      _spriteTable[spriteId].dx = 0;
      _spriteTable[spriteId].dy = 0;
      _spriteTable[spriteId].userValue = 0;
      _spriteTable[spriteId].group = 0;
      _spriteTable[spriteId].animSpeed = 0;
      _spriteTable[spriteId].animProgress = 0;
      _spriteTable[spriteId].classFlags = 0;
      _spriteTable[spriteId].palette = 0;
      _spriteTable[spriteId].sourceImage = 0;
      _spriteTable[spriteId].maskImage = 0;
      _spriteTable[spriteId].priority = 0;
      _spriteTable[spriteId].field_84 = 0;
      _spriteTable[spriteId].imgFlags = 0;
      _spriteTable[spriteId].field_90 = 0;
}

void Sprite::setSpriteImage(int spriteId, int imageNum) {
      int origResId, origResWizStates;

      assertRange(1, spriteId, _varNumSprites, "sprite");

      origResId = _spriteTable[spriteId].image;
      origResWizStates = _spriteTable[spriteId].imageStateCount;

      _spriteTable[spriteId].image = imageNum;
      _spriteTable[spriteId].field_74 = 0;
      _spriteTable[spriteId].imageState = 0;

      if (_spriteTable[spriteId].image) {
            _spriteTable[spriteId].imageStateCount = _vm->_wiz->getWizImageStates(_spriteTable[spriteId].image);
            _spriteTable[spriteId].flags |= kSFActive | kSFAutoAnim | kSFMarkDirty | kSFBlitDirectly;

            if (_spriteTable[spriteId].image != origResId || _spriteTable[spriteId].imageStateCount != origResWizStates)
                  _spriteTable[spriteId].flags |= kSFChanged | kSFNeedRedraw;
      } else {
            if (_spriteTable[spriteId].flags & kSFImageless)
                  _spriteTable[spriteId].flags = 0;
            else
                  _spriteTable[spriteId].flags = kSFChanged | kSFBlitDirectly;
            _spriteTable[spriteId].curImage = 0;
            _spriteTable[spriteId].curImageState = 0;
            _spriteTable[spriteId].imageStateCount = 0;
      }
}

//
// spriteGroupSet functions
//
void Sprite::redrawSpriteGroup(int spriteGroupId) {
      for (int i = 0; i < _numSpritesToProcess; ++i) {
            SpriteInfo *spi = _activeSpritesTable[i];
            if (spi->group == spriteGroupId) {
                  spi->flags |= kSFChanged | kSFNeedRedraw;
            }
      }
}

void Sprite::moveGroupMembers(int spriteGroupId, int value1, int value2) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      for (int i = 1; i < _varNumSprites; i++) {
            if (_spriteTable[i].group == spriteGroupId) {
                  _spriteTable[i].tx += value1;
                  _spriteTable[i].ty += value2;

                  if (value1 || value2)
                        _spriteTable[i].flags |= kSFChanged | kSFNeedRedraw;
            }
      }
}

void Sprite::setGroupMembersPriority(int spriteGroupId, int value) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      for (int i = 1; i < _varNumSprites; i++) {
            if (_spriteTable[i].group == spriteGroupId)
                  _spriteTable[i].priority = value;
      }
}

void Sprite::setGroupMembersGroup(int spriteGroupId, int value) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      for (int i = 1; i < _varNumSprites; i++) {
            if (_spriteTable[i].group == spriteGroupId) {
                  _spriteTable[i].group = value;
                  _spriteTable[i].flags |= kSFChanged | kSFNeedRedraw;
            }
      }
}

void Sprite::setGroupMembersUpdateType(int spriteGroupId, int value) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      for (int i = 1; i < _varNumSprites; i++) {
            if (_spriteTable[i].group == spriteGroupId)
                  setSpriteFlagUpdateType(i, value);
      }
}

void Sprite::setGroupMembersResetSprite(int spriteGroupId) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      for (int i = 1; i < _varNumSprites; i++) {
            if (_spriteTable[i].group == spriteGroupId)
                  resetSprite(i);
      }
}

void Sprite::setGroupMembersAnimationSpeed(int spriteGroupId, int value) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      for (int i = 1; i < _varNumSprites; i++) {
            if (_spriteTable[i].group == spriteGroupId) {
                  _spriteTable[i].animSpeed = value;
                  _spriteTable[i].animProgress = value;
            }
      }
}

void Sprite::setGroupMembersAutoAnimFlag(int spriteGroupId, int value) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      for (int i = 1; i < _varNumSprites; i++) {
            if (_spriteTable[i].group == spriteGroupId) {
                  if (value)
                        _spriteTable[i].flags |= kSFAutoAnim;
                  else
                        _spriteTable[i].flags &= ~kSFAutoAnim;
            }
      }
}

void Sprite::setGroupMembersShadow(int spriteGroupId, int value) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      for (int i = 1; i < _varNumSprites; i++) {
            if (_spriteTable[i].group == spriteGroupId) {
                  _spriteTable[i].shadow = value;
                  if (_spriteTable[i].image)
                        _spriteTable[i].flags |= kSFChanged | kSFNeedRedraw;
            }
      }
}

void Sprite::setGroupBounds(int spriteGroupId, int x1, int y1, int x2, int y2) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      _spriteGroups[spriteGroupId].flags |= kSGFClipBox;
      _spriteGroups[spriteGroupId].bbox.left = x1;
      _spriteGroups[spriteGroupId].bbox.top = y1;
      _spriteGroups[spriteGroupId].bbox.right = x2;
      _spriteGroups[spriteGroupId].bbox.bottom = y2;
      _vm->adjustRect(_spriteGroups[spriteGroupId].bbox);

      redrawSpriteGroup(spriteGroupId);
}

void Sprite::setGroupPriority(int spriteGroupId, int value) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      if (_spriteGroups[spriteGroupId].priority != value) {
            _spriteGroups[spriteGroupId].priority = value;
            redrawSpriteGroup(spriteGroupId);
      }
}

void Sprite::setGroupPosition(int spriteGroupId, int value1, int value2) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      if (_spriteGroups[spriteGroupId].tx != value1 || _spriteGroups[spriteGroupId].ty != value2) {
            _spriteGroups[spriteGroupId].tx = value1;
            _spriteGroups[spriteGroupId].ty = value2;
            redrawSpriteGroup(spriteGroupId);
      }
}

void Sprite::moveGroup(int spriteGroupId, int value1, int value2) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      if (value1 || value2) {
            _spriteGroups[spriteGroupId].tx += value1;
            _spriteGroups[spriteGroupId].ty += value2;
            redrawSpriteGroup(spriteGroupId);
      }
}

void Sprite::setGroupImage(int spriteGroupId, int value) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      if (_spriteGroups[spriteGroupId].image != value) {
            _spriteGroups[spriteGroupId].image = value;
            redrawSpriteGroup(spriteGroupId);
      }
}

void Sprite::setGroupScaling(int spriteGroupId) {
      if ((_spriteGroups[spriteGroupId].scale_x_ratio_mul != _spriteGroups[spriteGroupId].scale_x_ratio_div) || (_spriteGroups[spriteGroupId].scale_y_ratio_mul != _spriteGroups[spriteGroupId].scale_y_ratio_div))
            _spriteGroups[spriteGroupId].scaling = 1;
      else
            _spriteGroups[spriteGroupId].scaling = 0;

}

void Sprite::setGroupXMul(int spriteGroupId, int value) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      if (_spriteGroups[spriteGroupId].scale_x_ratio_mul != value) {
            _spriteGroups[spriteGroupId].scale_x_ratio_mul = value;
            setGroupScaling(spriteGroupId);
            redrawSpriteGroup(spriteGroupId);
      }
}

void Sprite::setGroupXDiv(int spriteGroupId, int value) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      if (value == 0)
            error("setGroupXDiv: Divisor must not be 0");

      if (_spriteGroups[spriteGroupId].scale_x_ratio_div != value) {
            _spriteGroups[spriteGroupId].scale_x_ratio_div = value;
            setGroupScaling(spriteGroupId);
            redrawSpriteGroup(spriteGroupId);
      }
}

void Sprite::setGroupYMul(int spriteGroupId, int value) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      if (_spriteGroups[spriteGroupId].scale_y_ratio_mul != value) {
            _spriteGroups[spriteGroupId].scale_y_ratio_mul = value;
            setGroupScaling(spriteGroupId);
            redrawSpriteGroup(spriteGroupId);
      }
}

void Sprite::setGroupYDiv(int spriteGroupId, int value) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      if (value == 0)
            error("setGroupYDiv: Divisor must not be 0");

      if (_spriteGroups[spriteGroupId].scale_y_ratio_div != value) {
            _spriteGroups[spriteGroupId].scale_y_ratio_div = value;
            setGroupScaling(spriteGroupId);
            redrawSpriteGroup(spriteGroupId);
      }
}

void Sprite::resetGroupBounds(int spriteGroupId) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");

      _spriteGroups[spriteGroupId].flags &= ~(kSGFClipBox);
      redrawSpriteGroup(spriteGroupId);
}

void Sprite::allocTables(int numSprites, int numGroups, int numMaxSprites) {
      _varNumSpriteGroups = numGroups;
      _numSpritesToProcess = 0;
      _varNumSprites = numSprites;
      _varMaxSprites = numMaxSprites;
      _spriteGroups = (SpriteGroup *)malloc((_varNumSpriteGroups + 1) * sizeof(SpriteGroup));
      _spriteTable = (SpriteInfo *)malloc((_varNumSprites + 1) * sizeof(SpriteInfo));
      _activeSpritesTable = (SpriteInfo **)malloc((_varNumSprites + 1) * sizeof(SpriteInfo *));
}

void Sprite::resetGroup(int spriteGroupId) {
      assertRange(1, spriteGroupId, _varNumSpriteGroups, "sprite group");
      SpriteGroup *spg = &_spriteGroups[spriteGroupId];

      spg->priority = 0;
      spg->tx = spg->ty = 0;

      spg->flags &= ~kSGFClipBox;
      redrawSpriteGroup(spriteGroupId);

      spg->image = 0;
      spg->scaling = 0;
      spg->scale_x_ratio_mul = 1;
      spg->scale_x_ratio_div = 1;
      spg->scale_y_ratio_mul = 1;
      spg->scale_y_ratio_div = 1;
}

void Sprite::resetTables(bool refreshScreen) {
      memset(_spriteTable, 0, (_varNumSprites + 1) * sizeof(SpriteInfo));
      memset(_spriteGroups, 0, (_varNumSpriteGroups + 1) * sizeof(SpriteGroup));
      for (int curGrp = 1; curGrp < _varNumSpriteGroups; ++curGrp)
            resetGroup(curGrp);

      if (refreshScreen) {
            _vm->restoreBackgroundHE(Common::Rect(_vm->_screenWidth, _vm->_screenHeight));
      }
      _numSpritesToProcess = 0;
}

void Sprite::resetBackground() {
      int xmin, xmax, ymin, ymax;
      xmin = ymin = 1234;
      xmax = ymax = -1234;
      bool firstLoop = true;
      bool refreshScreen = false;

      for (int i = 0; i < _numSpritesToProcess; ++i) {
            SpriteInfo *spi = _activeSpritesTable[i];
            if (!(spi->flags & kSFImageless) && (spi->flags & kSFChanged)) {
                  spi->flags &= ~kSFChanged;
                  if (spi->bbox.left <= spi->bbox.right && spi->bbox.top <= spi->bbox.bottom) {
                        if (spi->flags & kSFBlitDirectly) {
                              _vm->restoreBackgroundHE(spi->bbox, USAGE_BIT_RESTORED);
                        } else if (firstLoop) {
                              xmin = spi->bbox.left;
                              ymin = spi->bbox.top;
                              xmax = spi->bbox.right;
                              ymax = spi->bbox.bottom;
                              firstLoop = false;
                              refreshScreen = true;
                        } else {
                              if (xmin > spi->bbox.left) {
                                    xmin = spi->bbox.left;
                              }
                              if (ymin > spi->bbox.top) {
                                    ymin = spi->bbox.top;
                              }
                              if (xmax < spi->bbox.right) {
                                    xmax = spi->bbox.right;
                              }
                              if (ymax < spi->bbox.bottom) {
                                    ymax = spi->bbox.bottom;
                              }
                              refreshScreen = true;
                        }
                        if (!(spi->flags & kSFNeedRedraw) && spi->image)
                              spi->flags |= kSFNeedRedraw;
                  }
            }
      }
      if (refreshScreen) {
            _vm->restoreBackgroundHE(Common::Rect(xmin, ymin, xmax, ymax), USAGE_BIT_RESTORED);
      }
}

void Sprite::setRedrawFlags(bool checkZOrder) {
      VirtScreen *vs = &_vm->_virtscr[kMainVirtScreen];
      for (int i = 0; i < _numSpritesToProcess; ++i) {
            SpriteInfo *spi = _activeSpritesTable[i];
            if (!(spi->flags & kSFNeedRedraw)) {
                  if ((!checkZOrder || spi->priority >= 0) && (spi->flags & kSFMarkDirty)) {
                        int32 lp = spi->bbox.left / 8;
                        lp = MAX((int32)0, lp);
                        lp = MIN(lp, _vm->_gdi->_numStrips);
                        int32 rp = (spi->bbox.right + 7) / 8;
                        rp = MAX((int32)0, rp);
                        rp = MIN(rp, _vm->_gdi->_numStrips);
                        for (; lp < rp; lp++) {
                              if (vs->tdirty[lp] < vs->h && spi->bbox.bottom >= vs->tdirty[lp] && spi->bbox.top <= vs->bdirty[lp]) {
                                    spi->flags |= kSFNeedRedraw;
                                    break;
                              }
                        }
                  }
            }
      }
}

void Sprite::updateImages() {
      for (int i = 0; i < _numSpritesToProcess; ++i) {
            SpriteInfo *spi = _activeSpritesTable[i];
            if (spi->dx || spi->dy) {
                  int tx = spi->tx;
                  int ty = spi->ty;
                  spi->tx += spi->dx;
                  spi->ty += spi->dy;
                  if (tx != spi->tx || ty != spi->ty) {
                        spi->flags |= kSFChanged | kSFNeedRedraw;
                  }
            }
            if (spi->flags & kSFAutoAnim) {
                  if (spi->animSpeed) {
                        --spi->animProgress;
                        if (spi->animProgress)
                              continue;

                        spi->animProgress = spi->animSpeed;
                  }
                  int imageState = spi->imageState;
                  ++spi->imageState;
                  if (spi->imageState >= spi->imageStateCount) {
                        spi->imageState = 0;
                        if (imageState == 0)
                              continue;
                  }
                  spi->flags |= kSFChanged | kSFNeedRedraw;
            }
      }
}

static int compareSprTable(const void *a, const void *b) {
      const SpriteInfo *spr1 = *(const SpriteInfo *const*)a;
      const SpriteInfo *spr2 = *(const SpriteInfo *const*)b;

      if (spr1->zorder > spr2->zorder)
            return 1;

      if (spr1->zorder < spr2->zorder)
            return -1;

      return 0;
}

void Sprite::sortActiveSprites() {
      int groupZorder;

      _numSpritesToProcess = 0;

      if (_varNumSprites <= 1)
            return;

      for (int i = 1; i < _varNumSprites; i++) {
            SpriteInfo *spi = &_spriteTable[i];

            if (spi->flags & kSFActive) {
                  if (!(spi->flags & kSFMarkDirty)) {
                        spi->flags |= kSFNeedRedraw;
                        if (!(spi->flags & kSFImageless))
                              spi->flags |= kSFChanged;
                  }
                  if (spi->group)
                        groupZorder = _spriteGroups[spi->group].priority;
                  else
                        groupZorder = 0;

                  spi->id = i;
                  spi->zorder = spi->priority + groupZorder;

                  _activeSpritesTable[_numSpritesToProcess++] = spi;
            }
      }

      if (_numSpritesToProcess < 2)
            return;

      qsort(_activeSpritesTable, _numSpritesToProcess, sizeof(SpriteInfo *), compareSprTable);
}

void Sprite::processImages(bool arg) {
      int spr_flags;
      int32 spr_wiz_x, spr_wiz_y;
      int image, imageState;
      Common::Rect *bboxPtr;
      int angle, scale;
      int32 w, h;
      WizParameters wiz;

      for (int i = 0; i < _numSpritesToProcess; i++) {
            SpriteInfo *spi = _activeSpritesTable[i];

            if (!(spi->flags & kSFNeedRedraw))
                  continue;

            spr_flags = spi->flags;

            if (arg) {
                  if (spi->zorder >= 0)
                        return;
            } else {
                  if (spi->zorder < 0)
                        continue;
            }

            spi->flags &= ~kSFNeedRedraw;
            image = spi->image;
            imageState = spi->imageState;
            _vm->_wiz->getWizImageSpot(spi->image, spi->imageState, spr_wiz_x, spr_wiz_y);

            if (spi->group) {
                  SpriteGroup *spg = &_spriteGroups[spi->group];

                  if (spg->scaling) {
                        wiz.img.x1 = spi->tx * spg->scale_x_ratio_mul / spg->scale_x_ratio_div - spr_wiz_x + spg->tx;
                        wiz.img.y1 = spi->ty * spg->scale_y_ratio_mul / spg->scale_y_ratio_div - spr_wiz_y + spg->ty;
                  } else {
                        wiz.img.x1 = spi->tx - spr_wiz_x + spg->tx;
                        wiz.img.y1 = spi->ty - spr_wiz_y + spg->ty;
                  }
            } else {
                  wiz.img.x1 = spi->tx - spr_wiz_x;
                  wiz.img.y1 = spi->ty - spr_wiz_y;
            }

            wiz.spriteId = spi->id;
            wiz.spriteGroup = spi->group;
            wiz.field_23EA = spi->field_90;
            spi->curImageState = wiz.img.state = imageState;
            spi->curImage = wiz.img.resNum = image;
            wiz.processFlags = kWPFNewState | kWPFSetPos;
            spi->curAngle = spi->angle;
            spi->curScale = spi->scale;
            spi->pos.x = wiz.img.x1;
            spi->pos.y = wiz.img.y1;
            bboxPtr = &spi->bbox;
            if (image) {
                  angle = spi->angle;
                  scale = spi->scale;
                  _vm->_wiz->getWizImageDim(image, imageState, w, h);
                  if (spi->flags & (kSFScaled | kSFRotated)) {
                        Common::Point pts[4];
                        _vm->_wiz->polygonTransform(image, imageState, wiz.img.x1, wiz.img.y1, angle, scale, pts);
                        _vm->_wiz->polygonCalcBoundBox(pts, 4, spi->bbox);
                  } else {
                        bboxPtr->left = wiz.img.x1;
                        bboxPtr->top = wiz.img.y1;
                        bboxPtr->right = wiz.img.x1 + w;
                        bboxPtr->bottom = wiz.img.y1 + h;
                  }
            } else {
                  bboxPtr->left = 1234;
                  bboxPtr->top = 1234;
                  bboxPtr->right = -1234;
                  bboxPtr->bottom = -1234;
            }

            wiz.img.flags = kWIFMarkBufferDirty;
            wiz.img.zorder = 0;
            if (spr_flags & kSFXFlipped)
                  wiz.img.flags |= kWIFFlipX;
            if (spr_flags & kSFYFlipped)
                  wiz.img.flags |= kWIFFlipY;
            if (spr_flags & kSFDoubleBuffered) {
                  wiz.img.flags &= ~kWIFMarkBufferDirty;
                  wiz.img.flags |= kWIFBlitToFrontVideoBuffer;
            }
            if (spi->shadow) {
                  wiz.img.flags |= 0x200;
                  wiz.processFlags |= kWPFShadow;
                  wiz.img.shadow = spi->shadow;
            }
            if (spr_flags & kSFRemapPalette)
                  wiz.img.flags |= kWIFRemapPalette;
            if (spi->field_84) {
                  wiz.processFlags |= 0x200000;
                  wiz.img.field_390 = spi->field_84;
                  wiz.img.zorder = spi->priority;
            }
            if (spi->sourceImage) {
                  wiz.processFlags |= kWPFMaskImg;
                  wiz.sourceImage = spi->sourceImage;
            }
            wiz.processFlags |= kWPFNewFlags;
            wiz.img.flags |= spi->imgFlags;

            if (spr_flags & kSFRotated) {
                  wiz.processFlags |= kWPFRotate;
                  wiz.angle = spi->angle;
            }
            if (spr_flags & kSFScaled) {
                  wiz.processFlags |= kWPFScaled;
                  wiz.scale = spi->scale;
            }
            spi->curImgFlags = wiz.img.flags;

            if (spi->group && (_spriteGroups[spi->group].flags & kSGFClipBox)) {
                  Common::Rect &spgBbox = _spriteGroups[spi->group].bbox;
                  if (spgBbox.isValidRect() && spi->bbox.intersects(spgBbox)) {
                        spi->bbox.clip(spgBbox);
                        wiz.processFlags |= kWPFClipBox;
                        wiz.box = spi->bbox;
                  } else {
                        bboxPtr->left = 1234;
                        bboxPtr->top = 1234;
                        bboxPtr->right = -1234;
                        bboxPtr->bottom = -1234;
                        continue;
                  }
            }
            if (spi->palette) {
                  wiz.processFlags |= kWPFPaletteNum;
                  wiz.img.palette = spi->palette;
            }
            if (spi->image && spi->group && _spriteGroups[spi->group].image) {
                  wiz.processFlags |= kWPFDstResNum;
                  wiz.dstResNum = _spriteGroups[spi->group].image;
            }
            _vm->_wiz->displayWizComplexImage(&wiz);
      }
}

void Sprite::saveOrLoadSpriteData(Serializer *s) {
      static const SaveLoadEntry spriteEntries[] = {
            MKLINE(SpriteInfo, id, sleInt32, VER(48)),
            MKLINE(SpriteInfo, zorder, sleInt32, VER(48)),
            MKLINE(SpriteInfo, flags, sleInt32, VER(48)),
            MKLINE(SpriteInfo, image, sleInt32, VER(48)),
            MKLINE(SpriteInfo, imageState, sleInt32, VER(48)),
            MKLINE(SpriteInfo, group, sleInt32, VER(48)),
            MKLINE(SpriteInfo, palette, sleInt32, VER(48)),
            MKLINE(SpriteInfo, priority, sleInt32, VER(48)),
            MKLINE(SpriteInfo, bbox.left, sleInt32, VER(48)),
            MKLINE(SpriteInfo, bbox.top, sleInt32, VER(48)),
            MKLINE(SpriteInfo, bbox.right, sleInt32, VER(48)),
            MKLINE(SpriteInfo, bbox.bottom, sleInt32, VER(48)),
            MKLINE(SpriteInfo, dx, sleInt32, VER(48)),
            MKLINE(SpriteInfo, dy, sleInt32, VER(48)),
            MKLINE(SpriteInfo, pos.x, sleInt32, VER(48)),
            MKLINE(SpriteInfo, pos.y, sleInt32, VER(48)),
            MKLINE(SpriteInfo, tx, sleInt32, VER(48)),
            MKLINE(SpriteInfo, ty, sleInt32, VER(48)),
            MKLINE(SpriteInfo, userValue, sleInt32, VER(48)),
            MKLINE(SpriteInfo, curImageState, sleInt32, VER(48)),
            MKLINE(SpriteInfo, curImage, sleInt32, VER(48)),
            MKLINE(SpriteInfo, imglistNum, sleInt32, VER(48)),
            MKLINE(SpriteInfo, shadow, sleInt32, VER(48)),
            MKLINE(SpriteInfo, imageStateCount, sleInt32, VER(48)),
            MKLINE(SpriteInfo, angle, sleInt32, VER(48)),
            MKLINE(SpriteInfo, scale, sleInt32, VER(48)),
            MKLINE(SpriteInfo, animProgress, sleInt32, VER(48)),
            MKLINE(SpriteInfo, curAngle, sleInt32, VER(48)),
            MKLINE(SpriteInfo, curScale, sleInt32, VER(48)),
            MKLINE(SpriteInfo, curImgFlags, sleInt32, VER(48)),
            MKLINE(SpriteInfo, field_74, sleInt32, VER(48)),
            MKLINE(SpriteInfo, animSpeed, sleInt32, VER(48)),
            MKLINE(SpriteInfo, sourceImage, sleInt32, VER(48)),
            MKLINE(SpriteInfo, maskImage, sleInt32, VER(48)),
            MKLINE(SpriteInfo, field_84, sleInt32, VER(48)),
            MKLINE(SpriteInfo, classFlags, sleInt32, VER(48)),
            MKLINE(SpriteInfo, imgFlags, sleInt32, VER(48)),
            MKLINE(SpriteInfo, field_90, sleInt32, VER(48)),
            MKEND()
      };

      static const SaveLoadEntry spriteGroupEntries[] = {
            MKLINE(SpriteGroup, bbox.left, sleInt32, VER(48)),
            MKLINE(SpriteGroup, bbox.top, sleInt32, VER(48)),
            MKLINE(SpriteGroup, bbox.right, sleInt32, VER(48)),
            MKLINE(SpriteGroup, bbox.bottom, sleInt32, VER(48)),
            MKLINE(SpriteGroup, priority, sleInt32, VER(48)),
            MKLINE(SpriteGroup, flags, sleInt32, VER(48)),
            MKLINE(SpriteGroup, tx, sleInt32, VER(48)),
            MKLINE(SpriteGroup, ty, sleInt32, VER(48)),
            MKLINE(SpriteGroup, image, sleInt32, VER(48)),
            MKLINE(SpriteGroup, scaling, sleInt32, VER(48)),
            MKLINE(SpriteGroup, scale_x_ratio_mul, sleInt32, VER(48)),
            MKLINE(SpriteGroup, scale_x_ratio_div, sleInt32, VER(48)),
            MKLINE(SpriteGroup, scale_y_ratio_mul, sleInt32, VER(48)),
            MKLINE(SpriteGroup, scale_y_ratio_div, sleInt32, VER(48)),
            MKEND()
      };

      if (s->getVersion() >= VER(64)) {
            s->saveLoadArrayOf(_spriteTable, _varNumSprites + 1, sizeof(_spriteTable[0]), spriteEntries);
            s->saveLoadArrayOf(_spriteGroups, _varNumSpriteGroups + 1, sizeof(_spriteGroups[0]), spriteGroupEntries);
      } else {
            s->saveLoadArrayOf(_activeSpritesTable, _varNumSprites, sizeof(_activeSpritesTable[0]), spriteEntries);
            s->saveLoadArrayOf(_spriteTable, _varNumSprites, sizeof(_spriteTable[0]), spriteEntries);
            s->saveLoadArrayOf(_spriteGroups, _varNumSpriteGroups, sizeof(_spriteGroups[0]), spriteGroupEntries);
      }

      // Reset active sprite table
      if (s->isLoading())
            _numSpritesToProcess = 0;

}

} // End of namespace Scumm

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