skindata.cpp

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/*
**  Command & Conquer Generals Zero Hour(tm)
**  Copyright 2025 Electronic Arts Inc.
**
**  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 3 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, see <http://www.gnu.org/licenses/>.
*/
 
/* $Header: /Commando/Code/Tools/max2w3d/skindata.cpp 7     5/28/98 12:15p Greg_h $ */
/*********************************************************************************************** 
 ***                            Confidential - Westwood Studios                              *** 
 *********************************************************************************************** 
 *                                                                                             * 
 *                 Project Name : Commando Tools - WWSkin                                      * 
 *                                                                                             * 
 *                     $Archive:: /Commando/Code/Tools/max2w3d/skindata.cpp                   $* 
 *                                                                                             * 
 *                      $Author:: Greg_h                                                      $* 
 *                                                                                             * 
 *                     $Modtime:: 5/28/98 12:15p                                              $* 
 *                                                                                             * 
 *                    $Revision:: 7                                                           $* 
 *                                                                                             * 
 *---------------------------------------------------------------------------------------------* 
 * Functions:                                                                                  * 
 *   SkinDataClass::Save -- save the skindata in the MAX file                                  * 
 *   SkinDataClass::Load -- load the skindata from a MAX file                                  * 
 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
 
 
#include "skindata.h"
 
 
/*********************************************************************************************** 
 * SkinDataClass::Save -- save the skindata in the MAX file                                    * 
 *                                                                                             * 
 * INPUT:                                                                                      * 
 *                                                                                             * 
 * OUTPUT:                                                                                     * 
 *                                                                                             * 
 * WARNINGS:                                                                                   * 
 *                                                                                             * 
 * HISTORY:                                                                                    * 
 *   10/26/1997 GH  : Created.                                                                 * 
 *=============================================================================================*/
IOResult SkinDataClass::Save(ISave *isave)
{
    ULONG nb;
 
    /*
    ** save the flags
    */
    short flags = 0;
    if (Valid) flags |= 0x01;
    if (Held) flags |= 0x02;
 
    isave->BeginChunk(FLAGS_CHUNK);
    isave->Write(&flags,sizeof(flags),&nb);
    isave->EndChunk();
 
    /*
    ** Save the bit array of currently selected vertices
    */
    if (VertSel.NumberSet() > 0) {
        isave->BeginChunk(VERT_SEL_CHUNK);
        VertSel.Save(isave);
        isave->EndChunk();
    }
 
    /*
    ** Save the named selection sets of vertices 
    */
#if 0
    if (VertSelSets.Count() > 0) {
        isave->BeginChunk(INFLUENCE_DATA_CHUNK);    
        VertSelSets.Save(isave);
        isave->EndChunk();
    }
#endif
 
    /*
    ** Save the vertex influence data
    */
    if (VertData.Count() > 0) {
        isave->BeginChunk(INFLUENCE_DATA_CHUNK);
        isave->Write(VertData.Addr(0),VertData.Count() * sizeof(InfluenceStruct), &nb);
        isave->EndChunk();
    }
 
    return IO_OK;
}
 
 
/*********************************************************************************************** 
 * SkinDataClass::Load -- load the skindata from a MAX file                                    * 
 *                                                                                             * 
 * INPUT:                                                                                      * 
 *                                                                                             * 
 * OUTPUT:                                                                                     * 
 *                                                                                             * 
 * WARNINGS:                                                                                   * 
 *                                                                                             * 
 * HISTORY:                                                                                    * 
 *   10/26/1997 GH  : Created.                                                                 * 
 *=============================================================================================*/
IOResult SkinDataClass::Load(ILoad *iload)
{
    ULONG nb;
    short flags;
    int n;
    IOResult res;
 
    while (IO_OK == (res=iload->OpenChunk())) {
 
        switch (iload->CurChunkID())  {
 
            case FLAGS_CHUNK: 
                res = iload->Read(&flags,sizeof(flags),&nb);
                Valid = (flags & 0x01);
                Held = (flags & 0x02);
                break;
            
            case VERT_SEL_CHUNK:
                res = VertSel.Load(iload);
                break;
            
            case NAMED_SEL_SETS_CHUNK:
                res = VertSelSets.Load(iload);
                break;
 
            case INFLUENCE_DATA_CHUNK:
                n = iload->CurChunkLength() / sizeof(InfluenceStruct);
                VertData.SetCount(n);
                res = iload->Read(VertData.Addr(0),n*sizeof(InfluenceStruct),&nb);
                break;
        }
        
        iload->CloseChunk();
 
        if (res != IO_OK) {
            return res;
        }
    }
 
    /*
    ** ensure that the arrays are sized correctly
    */
    Invalidate();
    
    return IO_OK;
}