PxBoxController.h

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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  
 
#ifndef PX_BOX_CONTROLLER_H
#define PX_BOX_CONTROLLER_H
#include "characterkinematic/PxController.h"
 
#if !PX_DOXYGEN
namespace physx
{
#endif
 
class PxBoxControllerDesc : public PxControllerDesc
{
public:
    PX_INLINE                               PxBoxControllerDesc();
    PX_INLINE virtual                       ~PxBoxControllerDesc() {}
 
    PX_INLINE                               PxBoxControllerDesc(const PxBoxControllerDesc&);
 
    PX_INLINE PxBoxControllerDesc&          operator=(const PxBoxControllerDesc&);
 
    PX_INLINE virtual   void                setToDefault();
 
    PX_INLINE virtual   bool                isValid()       const;
 
    PxF32               halfHeight;         // Half-height in the "up" direction
 
    PxF32               halfSideExtent;     // Half-extent in the "side" direction
 
    PxF32               halfForwardExtent;  // Half-extent in the "forward" direction
 
protected:
    PX_INLINE void copy(const PxBoxControllerDesc&);
};
 
PX_INLINE PxBoxControllerDesc::PxBoxControllerDesc() :
    PxControllerDesc    (PxControllerShapeType::eBOX),
    halfHeight          (1.0f),
    halfSideExtent      (0.5f),
    halfForwardExtent   (0.5f)
{
}
 
PX_INLINE PxBoxControllerDesc::PxBoxControllerDesc(const PxBoxControllerDesc& other) : PxControllerDesc(other)
{
    copy(other);
}
 
PX_INLINE PxBoxControllerDesc& PxBoxControllerDesc::operator=(const PxBoxControllerDesc& other)
{
    PxControllerDesc::operator=(other);
    copy(other);
    return *this;
}
 
PX_INLINE void PxBoxControllerDesc::copy(const PxBoxControllerDesc& other)
{
    halfHeight          = other.halfHeight;
    halfSideExtent      = other.halfSideExtent;
    halfForwardExtent   = other.halfForwardExtent;
}
 
PX_INLINE void PxBoxControllerDesc::setToDefault()
{
    *this = PxBoxControllerDesc();
}
 
PX_INLINE bool PxBoxControllerDesc::isValid() const
{
    if(!PxControllerDesc::isValid())    return false;
    if(halfHeight<=0.0f)                return false;
    if(halfSideExtent<=0.0f)            return false;
    if(halfForwardExtent<=0.0f)         return false;
    if(stepOffset>2.0f*halfHeight)      return false;   // Prevents obvious mistakes
    return true;
}
 
class PxBoxController : public PxController
{
public:
 
    virtual     PxF32           getHalfHeight()         const   = 0;
 
    virtual     PxF32           getHalfSideExtent()     const   = 0;
 
    virtual     PxF32           getHalfForwardExtent()  const   = 0;
 
    virtual     bool            setHalfHeight(PxF32 halfHeight)                 = 0;
 
    virtual     bool            setHalfSideExtent(PxF32 halfSideExtent)         = 0;
 
    virtual     bool            setHalfForwardExtent(PxF32 halfForwardExtent)   = 0;
 
protected:
    PX_INLINE                   PxBoxController()   {}
    virtual                     ~PxBoxController()  {}
};
 
#if !PX_DOXYGEN
} // namespace physx
#endif
 
#endif