maxworldinfo.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/>.
*/
 
/***********************************************************************************************
 ***              C O N F I D E N T I A L  ---  W E S T W O O D  S T U D I O S               ***
 ***********************************************************************************************
 *                                                                                             *
 *                 Project Name : Max2W3d                                                      *
 *                                                                                             *
 *                     $Archive:: /Commando/Code/Tools/max2w3d/maxworldinfo.cpp               $*
 *                                                                                             *
 *              Original Author:: Patrick Smith                                                *
 *                                                                                             *
 *                      $Author:: Greg_h                                                      $*
 *                                                                                             *
 *                     $Modtime:: 10/27/00 7:11p                                              $*
 *                                                                                             *
 *                    $Revision:: 2                                                           $*
 *                                                                                             *
 *---------------------------------------------------------------------------------------------*
 * Functions:                                                                                  *
 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
 
#include "maxworldinfo.h"
#include "geometryexporttask.h"
 
/*
** Get_Shared_Vertex_Normal
** Loops through all the other meshes in the world and builds a vertex normal for
** the verticies that share the same space and are part of the same smoothing group.
*/
Vector3 MaxWorldInfoClass::Get_Shared_Vertex_Normal (Vector3 pos, int smgroup)
{
    Point3 normal(0,0,0);
    Point3 world_pos = ExportTrans * Point3(pos.X,pos.Y,pos.Z);
 
    //
    //  Loop through all the meshes in the world and see which ones contain
    // verticies that share the same space and are part of the same smoothing group.
    //
    for(unsigned int index = 0; index < MeshList.Count(); index ++) {
        GeometryExportTaskClass * task = MeshList[index];
        if (task != CurrentTask) {
            normal += task->Get_Shared_Vertex_Normal(world_pos,smgroup);            
        }
    }
 
    return Vector3(normal.x,normal.y,normal.z);
}