/*
-----------------------------------------------------------------------------
Copyright (c) 2013-09-05 Tobias Peters <tobias.peters@kreativeffekt.at>

This file is part of Q-Gears

Q-Gears 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, version 2.0 (GPLv2) of the License.

Q-Gears 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.
-----------------------------------------------------------------------------
*/
#include "map/FF7WalkmeshFileSerializer.h"

#include <OgreLogManager.h>
#include <OgreException.h>

namespace QGears
{
    namespace FF7
    {
        //----------------------------------------------------------------------
        WalkmeshFileSerializer::WalkmeshFileSerializer() :
            Serializer()
        {
        }

        //----------------------------------------------------------------------
        WalkmeshFileSerializer::~WalkmeshFileSerializer()
        {
        }

        //----------------------------------------------------------------------
        template<typename ValueType>
        void
        WalkmeshFileSerializer::readVector( Ogre::DataStreamPtr &stream
                                           ,std::vector<ValueType> &pDest
                                           ,size_t count )
        {
            pDest.clear();
            pDest.reserve( count );
            for( size_t i( count ); i--; )
            {
                ValueType in_tmp;
                readObject( stream, in_tmp );
                pDest.push_back( in_tmp );
            }
        }

        //----------------------------------------------------------------------
        void
        WalkmeshFileSerializer::importWalkmeshFile( Ogre::DataStreamPtr &stream
                                                   ,WalkmeshFile *pDest )
        {
            uint32 triangle_count( 0 );
            readUInt32( stream, triangle_count );

            TriangleList triangles;
            readVector( stream, triangles, triangle_count );

            AccessList access;
            readVector( stream, access, triangle_count );

            WalkmeshTriangleList   &triangle_list( pDest->getTriangles() );
            triangle_list.clear();
            triangle_list.reserve( triangle_count );

            for( uint32 i(0); i < triangle_count; ++i )
            {
                Triangle   &in_triangle( triangles[i] );
                Access     &in_access( access[i] );
                WalkmeshTriangle tmp_triangle;
                tmp_triangle.a = in_triangle.a;
                tmp_triangle.b = in_triangle.b;
                tmp_triangle.c = in_triangle.c;
                tmp_triangle.access_side[0] = in_access.a;
                tmp_triangle.access_side[1] = in_access.b;
                tmp_triangle.access_side[2] = in_access.c;
                triangle_list.push_back( tmp_triangle );
            }
        }

        //----------------------------------------------------------------------
        void WalkmeshFileSerializer::readObject( Ogre::DataStreamPtr &stream
                                                ,WalkmeshFileSerializer::Triangle &pDest)
        {
            readObject( stream, pDest.a );
            readObject( stream, pDest.b );
            readObject( stream, pDest.c );
        }

        //----------------------------------------------------------------------
        void WalkmeshFileSerializer::readObject( Ogre::DataStreamPtr &stream
                                                ,Ogre::Vector3 &pDest )
        {
            sint16 tmp[ VERTEX_COMPONENT_COUNT ];
            readShorts( stream, reinterpret_cast<uint16*>( tmp ), VERTEX_COMPONENT_COUNT );
            pDest.x = static_cast<Ogre::Real>( tmp[0] );
            pDest.y = static_cast<Ogre::Real>( tmp[1] );
            pDest.z = static_cast<Ogre::Real>( tmp[2] );
        }

        //----------------------------------------------------------------------
        void WalkmeshFileSerializer::readObject( Ogre::DataStreamPtr &stream
                                                ,WalkmeshFileSerializer::Access &pDest )
        {
            uint16 tmp[ ACCESS_COMPONENT_COUNT ];
            readShorts( stream, tmp, ACCESS_COMPONENT_COUNT );
            pDest.a = tmp[0];
            pDest.b = tmp[1];
            pDest.c = tmp[2];
        }

        //----------------------------------------------------------------------
    }
}