Transform.hxx

// 
// Copyright (C) 2006 James M. Lawrence.  All rights reserved.
// 
// software: esve-1.0.3
// file: esve/engine/dim4/impl/Transform.hxx
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 
// 2. The origin of this software must not be misrepresented; you must
//    not claim that you wrote the original software.  If you use this
//    software in a product, an acknowledgment in the product 
//    documentation would be appreciated but is not required.
// 
// 3. Altered source versions must be plainly marked as such, and must
//    not be misrepresented as being the original software.
// 
// 4. The name of the author may not be used to endorse or promote
//    products derived from this software without specific prior written
//    permission.
// 
// THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY,
// AND WITH NO CLAIM AS TO ITS SUITABILITY FOR ANY PURPOSE.  IN NO EVENT
// SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM WHATSOEVER MADE IN CONNECTION
// TO THIS SOFTWARE.
// 
#ifndef esve_engine_dim4_impl_Transform_hxx
#define esve_engine_dim4_impl_Transform_hxx

#include <esve/engine/dim4/Transform.hxx>
#include <esve/base/dim4/Transform.hxx>
#include <esve/types/quat.hxx>
#include <esve/types/pure.hxx>

namespace esve { namespace engine { namespace dim4 { namespace impl {


class Transform
    : virtual public dim4::Transform
{
private:
    typedef base::dim4::Transform<types::real> m_Transform ;

    m_Transform m ;

public:
    Transform()
        : engine::dim4::Transform(),
          m() { }


    Transform( const types::quat & a,
               const types::quat & b,
               const types::quat & c,
               const types::quat & d )
        : engine::dim4::Transform(),
          m(a,
            b,
            c,
            d) { }

    Transform( const Transform & h )
        : engine::dim4::Transform(),
          m(h.m) { }

    Transform( const engine::dim4::Transform & h )
        : engine::dim4::Transform(),
          m(h.a(),
            h.b(),
            h.c(),
            h.d()) { }

    Transform & operator=( const Transform & h )
    {
        m = h.m ;
        return *this ;
    }

    Transform & operator=( const engine::dim4::Transform & h )
    {
        m.a(h.a()) ;
        m.b(h.b()) ;
        m.c(h.c()) ;
        m.d(h.d()) ;
        return *this ;
    }

    const types::quat & a() const
    {
        return m.a() ;
    }

    void a( const types::quat & a )
    {
        m.a(a) ;
    }

    const types::quat & b() const
    {
        return m.b() ;
    }

    void b( const types::quat & b )
    {
        m.b(b) ;
    }

    const types::quat & c() const
    {
        return m.c() ;
    }

    void c( const types::quat & c )
    {
        m.c(c) ;
    }

    const types::quat & d() const
    {
        return m.d() ;
    }

    void d( const types::quat & d )
    {
        m.d(d) ;
    }

    void left_act( const Transform & left )
    {
        m.left_act(left.m) ;
    }

    void left_act( const engine::dim4::Transform & left )
    {
        m.left_act(m_Transform(left.a(),
                               left.b(),
                               left.c(),
                               left.d())) ;
    }

    void right_act( const Transform & right )
    {
        m.right_act(right.m) ;
    }

    void right_act( const engine::dim4::Transform & right )
    {
        m.right_act(m_Transform(right.a(),
                                right.b(),
                                right.c(),
                                right.d())) ;
    }

    void act( const Transform & action,
              const Transform & basis )
    {
        m.act(action.m, basis.m) ;
    }

    void act( const engine::dim4::Transform & action,
              const engine::dim4::Transform & basis )
    {
        m.act(m_Transform(action.a(),
                          action.b(),
                          action.c(),
                          action.d()),
              m_Transform(basis.a(),
                          basis.b(),
                          basis.c(),
                          basis.d())) ;
    }

    void rotate( types::real alpha,
                 types::real beta,
                 const types::quat & r,
                 const types::quat & s,
                 const engine::dim4::Transform & basis = IDENTITY ) ;

    void rotate( types::real alpha,
                 types::real beta,
                 const types::pure & u,
                 const engine::dim4::Transform & basis = IDENTITY ) ;

    void translate( const types::quat & r,
                    const engine::dim4::Transform & basis = IDENTITY ) ;

    void invertate( const types::quat & r,
                    const engine::dim4::Transform & basis = IDENTITY ) ;

    void scalate( types::real gamma,
                  const engine::dim4::Transform & basis = IDENTITY ) ;

    void identity()
    {
        m.identity() ;
    }

    void invert()
    {
        m.invert() ;
    }

    void assign( const Transform & h )
    {
        m = h.m ;
    }

    void assign( const engine::dim4::Transform & h )
    {
        m = m_Transform(h.a(),
                        h.b(),
                        h.c(),
                        h.d()) ;
    }

    void normalize()
    {
        m.normalize() ;
    }

    bool operator==( const Transform & h ) const
    {
        return m.operator==(h.m) ;
    }

    bool operator==( const engine::dim4::Transform & h ) const
    {
        return m.operator==(m_Transform(h.a(),
                                        h.b(),
                                        h.c(),
                                        h.d())) ;
    }

    bool operator!=( const Transform & h ) const
    {
        return m.operator!=(h.m) ;
    }

    bool operator!=( const engine::dim4::Transform & h ) const
    {
        return m.operator!=(m_Transform(h.a(),
                                        h.b(),
                                        h.c(),
                                        h.d())) ;
    }

    ~Transform() { }
} ;

}}}} // namespace esve::engine::dim4::impl

#endif

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