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object.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/cruise/object.cpp $
 * $Id: object.cpp 30944 2008-02-23 22:50:18Z sev $
 *
 */

#include "cruise/cruise_main.h"

namespace Cruise {

//10 values:
/*

0 = X
1 = Y
3 = fileIdx
4 = scale

*/

objDataStruct *getObjectDataFromOverlay(int ovlIdx, int objIdx) {
      objDataStruct *var_6;

      if (ovlIdx < 1 || objIdx < 0)
            return NULL;

      if (!overlayTable[ovlIdx].ovlData)
            return NULL;

      if (overlayTable[ovlIdx].ovlData->numObj <= objIdx)
            return NULL;

      var_6 = overlayTable[ovlIdx].ovlData->arrayObject;

      if (!var_6)
            return NULL;

      return (&var_6[objIdx]);
}

int16 getMultipleObjectParam(int16 overlayIdx, int16 objectIdx, objectParamsQuery *returnParam) {
      objectParams *ptr2;
      objDataStruct *ptr;
      ovlDataStruct *ovlData;
//  int16 type;

      int state = 0;
      int state2 = 0;

      ptr = getObjectDataFromOverlay(overlayIdx, objectIdx);

      if (!ptr)
            return -11;

      ovlData = overlayTable[overlayIdx].ovlData;

      switch (ptr->_class) {
      case THEME:
      case MULTIPLE:
            {
                  state = globalVars[overlayTable[overlayIdx].state + ptr->_stateTableIdx];

                  ptr2 = &ovlData->arrayStates[ptr->_firstStateIdx + state];
                  state2 = ptr2->state;
                  break;
            }
      case VARIABLE:
            {
                  ptr2 = &ovlData->arrayObjVar[ptr->_varTableIdx];

                  state = ptr2->state;
                  state2 = state;
                  if(ptr->_firstStateIdx + state < ovlData->size8)
                  {
                        objectParams *ptr3 = &ovlData->arrayStates[ptr->_firstStateIdx + state];
                        state2 = ptr3->state;
                  }
                  break;
            }
      default:
            {
                  printf("Unsupported case %d in getMultipleObjectParam\n",ptr->_class);
                  exit(1);
            }
      }

      returnParam->X = ptr2->X;
      returnParam->Y = ptr2->Y;
      returnParam->baseFileIdx = ptr2->Z;
      returnParam->fileIdx = ptr2->frame;
      returnParam->scale = ptr2->scale;
      returnParam->state = state;
      returnParam->state2 = state2;
      returnParam->nbState = ptr->_numStates;

      return 0;
}

void setObjectPosition(int16 ovlIdx, int16 objIdx, int16 param3, int16 param4) {
      objDataStruct *ptr;
      objectParams *ptr2;

      ptr = getObjectDataFromOverlay(ovlIdx, objIdx);

      if (!ptr) {
            return;
            ASSERT(0);
      }
      //overlayTable[param1].ovlData

      switch (ptr->_class) {
      case THEME:
      case MULTIPLE:
            {
                  if(param3 != 5)
                        return;
                  globalVars[overlayTable[ovlIdx].state + ptr->_stateTableIdx] = param4;
                  sortCells(ovlIdx, objIdx, &cellHead);
                  break;
            }
      case UNIQUE:
            return;
      case VARIABLE:
            {
                  ptr2 =  &overlayTable[ovlIdx].ovlData->arrayObjVar[ptr->_varTableIdx];

                  switch (param3) {
                  case 0:     // x
                        {
                              ptr2->X = param4;
                              break;
                        }
                  case 1:     // y
                        {
                              ptr2->Y = param4;
                              break;
                        }
                  case 2:     // z
                        {
                              ptr2->Z = param4;
                              sortCells(ovlIdx, objIdx, &cellHead);
                              break;
                        }
                  case 3:
                        {
                              ptr2->frame = param4;
                              break;
                        }
                  case 4:     // scale
                        {
                              ptr2->scale = param4;
                              break;
                        }
                  case 5:     // state
                        {
                              ptr2->state = param4;
                              break;
                        }
                  default:
                        {
                              ASSERT(0);
                        }
                  }

                  break;
            }
      default:
            {
                  ASSERT(0);
            }
      }
}

int16 objInit(int ovlIdx, int objIdx, int newState) {
      objDataStruct *ptr;
//  uint16 param;
      ovlDataStruct *ovlData;

      ptr = getObjectDataFromOverlay(ovlIdx, objIdx);

      if (!ptr)
            return -11;

      ovlData = overlayTable[ovlIdx].ovlData;

      switch (ptr->_class) {
      case THEME:
      case MULTIPLE:
            {
                  globalVars[overlayTable[ovlIdx].state + ptr->_stateTableIdx] = newState;
                  sortCells(ovlIdx, objIdx, &cellHead);
                  break;
            }
      case UNIQUE:
            break;
      case VARIABLE:
            {
                  objectParams *destEntry;
                  objectParams *sourceEntry;

                  if (ptr->_firstStateIdx + newState > ovlData->size8) {
                        return 0;
                  }

                  destEntry = &ovlData->arrayObjVar[ptr->_varTableIdx];
                  sourceEntry = &ovlData->arrayStates[ptr->_firstStateIdx + newState];

                  memcpy(destEntry, sourceEntry, sizeof(objectParams));

                  destEntry->state = newState;

                  sortCells(ovlIdx, objIdx, &cellHead);
                  break;
            }
      default:
            {
                  printf("Unsupported param = %d in objInit\n", ptr->_class);
                  // exit(1);
            }
      }

      return 0;
}

int16 getSingleObjectParam(int16 overlayIdx, int16 param2, int16 param3, int16 *returnParam) {
      int state = 0;
      //char* ptr3 = NULL;
      objDataStruct *ptr;
      ovlDataStruct *ovlData;
      objectParams *ptr2;

      ptr = getObjectDataFromOverlay(overlayIdx, param2);

      if (!ptr)
            return -11;

      ovlData = overlayTable[overlayIdx].ovlData;

      switch (ptr->_class) {
      case THEME:
      case MULTIPLE:
            {
                  state = globalVars[overlayTable[overlayIdx].state + ptr->_stateTableIdx];

                  ptr2 = &ovlData->arrayStates[ptr->_firstStateIdx + state];
                  break;
            }
      case VARIABLE:
            {
                  ptr2 = &ovlData->arrayObjVar[ptr->_varTableIdx];

                  state = ptr2->state;
                  break;
            }
      default:
            {
                  printf("Unsupported case %d in getSingleObjectParam\n",ptr->_class);
                  exit(1);
            }
      }

      switch (param3) {
      case 0:
            {
                  *returnParam = ptr2->X;
                  break;
            }
      case 1:
            {
                  *returnParam = ptr2->Y;
                  break;
            }
      case 2:
            {
                  *returnParam = ptr2->Z;
                  break;
            }
      case 3:
            {
                  *returnParam = ptr2->frame;
                  break;
            }
      case 4:
            {
                  *returnParam = ptr2->scale;
                  break;
            }
      case 5:
            {
                  *returnParam = state;
                  break;
            }
      default:
            {
                  printf("Unsupported case %d in getSingleObjectParam case 1\n", param3);
                  exit(1);
            }
      }

      return 0;
}

void objectReset(void) {
      for(int i=1; i<numOfLoadedOverlay; i++)   {
            if(overlayTable[i].alreadyLoaded && overlayTable[i].ovlData) {
                  if(overlayTable[i].ovlData->arrayObject) {
                        for(int j=0; j<overlayTable[i].ovlData->numObj; j++) {
                              int stateIdx = overlayTable[i].state + overlayTable[i].ovlData->arrayObject[j]._stateTableIdx;
                              if((overlayTable[i].ovlData->arrayObject[j]._class == THEME) && (globalVars[stateIdx] == -2))
                                    globalVars[stateIdx] = 0;
                        }
                  }
            }
      }
}

} // End of namespace Cruise

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