pivot.h

Go to the documentation of this file.

/*
**  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/ww3d2/pivot.h 1     1/22/01 3:36p Greg_h $ */
/*********************************************************************************************** 
 ***                            Confidential - Westwood Studios                              *** 
 *********************************************************************************************** 
 *                                                                                             * 
 *                 Project Name : Commando / G 3D Library                                      * 
 *                                                                                             * 
 *                     $Archive:: /Commando/Code/ww3d2/pivot.h                                $* 
 *                                                                                             * 
 *                       Author:: Greg_h                                                       * 
 *                                                                                             * 
 *                     $Modtime:: 1/08/01 10:04a                                              $* 
 *                                                                                             * 
 *                    $Revision:: 1                                                           $* 
 *                                                                                             * 
 *---------------------------------------------------------------------------------------------* 
 * Functions:                                                                                  * 
 * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
 
#if defined(_MSC_VER)
#pragma once
#endif
 
#ifndef PIVOT_H
#define PIVOT_H
 
#include "always.h"
#include "vector3.h"
#include "matrix3d.h"
#include "quat.h"
#include "w3d_file.h"
 
 
/*
 
    PivotClass
 
    Each node of the hierarchy tree is represented by a 
    PivotClass.
    
*/
 
//#define LAZY_CAP_MTX_ALLOC
 
struct PivotClass
{
public:
 
    PivotClass(void);
    PivotClass(const PivotClass& that);
    PivotClass& operator=(const PivotClass& that);
 
    ~PivotClass(void) 
    {
#ifdef LAZY_CAP_MTX_ALLOC
        if (CapTransformPtr)
            delete CapTransformPtr;
#endif
    }
 
    void Capture_Update(void);
    bool Is_Captured() const
    {
#ifdef LAZY_CAP_MTX_ALLOC
        return CapTransformPtr != NULL;
#else
        return IsCaptured;
#endif
    }
 
public:
    char                            Name[W3D_NAME_LEN];
    PivotClass *          Parent;
    Matrix3D                    BaseTransform;     // base-pose transform (relative to parent).
    Matrix3D                    Transform;             // computed transform for this pivot
    // User control.  When a pivot is 'captured' animation data is ignored and the
    // user data is used to control the pivot.
#ifdef LAZY_CAP_MTX_ALLOC
    DynamicMatrix3D* CapTransformPtr;
    short                           Index;
    bool                            IsVisible;             // result of the visibility channel
    bool                            WorldSpaceTranslation;
#else
    Matrix3D                    CapTransform;
    int                             Index;
    bool                            IsVisible;             // result of the visibility channel
    bool                            WorldSpaceTranslation;
    bool                            IsCaptured;
    bool                            Unused;                       // padding
#endif
 
};
 
 
 
#endif