billboard.cpp

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// © Copyright 2010 - 2014 BlackTopp Studios Inc.
/* This file is part of The Mezzanine Engine.

    The Mezzanine Engine 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
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    The Mezzanine Engine is distributed in the hope that it will be useful,
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    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 The Mezzanine Engine.  If not, see <http://www.gnu.org/licenses/>.
*/
/* The original authors have included a copy of the license specified above in the
   'Docs' folder. See 'gpl.txt'
*/
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*/
#ifndef _graphicsbillboard_cpp
#define _graphicsbillboard_cpp

/// @file
/// @brief This file contains the implementation for the Billboard class used by BillboardSetProxy.

#include "Graphics/billboard.h"

#include "exception.h"
#include "serialization.h"
#include "stringtool.h"

#include <Ogre.h>

namespace Mezzanine
{
    namespace Graphics
    {
        Billboard::Billboard(Ogre::Billboard* InternalBillboard) :
            GraphicsBillboard(InternalBillboard)
            {  }

        Billboard::~Billboard()
            {  }

        ///////////////////////////////////////////////////////////////////////////////
        // Utility

        Boolean Billboard::HasOwnDimensions() const
            { return this->GraphicsBillboard->hasOwnDimensions(); }

        void Billboard::ResetDimensions()
            { this->GraphicsBillboard->resetDimensions(); }

        Boolean Billboard::IsUsingTextureCoordRect() const
            { return this->GraphicsBillboard->isUseTexcoordRect(); }

        ///////////////////////////////////////////////////////////////////////////////
        // Billboard Properties

        void Billboard::SetLocation(const Vector3& Loc)
            { this->GraphicsBillboard->setPosition( Loc.GetOgreVector3() ); }

        Vector3 Billboard::GetLocation() const
            { return Vector3( this->GraphicsBillboard->getPosition() ); }

        void Billboard::SetDirection(const Vector3& Dir)
            { this->GraphicsBillboard->mDirection = Dir.GetOgreVector3(); }

        Vector3 Billboard::GetDirection() const
            { return Vector3( this->GraphicsBillboard->mDirection ); }

        void Billboard::SetRotation(const Real Rot)
            { this->GraphicsBillboard->setRotation( Ogre::Radian(Rot) ); }

        Real Billboard::GetRotation() const
            { return this->GraphicsBillboard->getRotation().valueRadians(); }

        void Billboard::SetColour(const ColourValue& Colour)
            { this->GraphicsBillboard->setColour( Colour.GetOgreColourValue() ); }

        ColourValue Billboard::GetColour() const
            { return ColourValue( this->GraphicsBillboard->getColour() ); }

        void Billboard::SetDimensions(const Real Width, const Real Height)
            { this->GraphicsBillboard->setDimensions(Width,Height); }

        Real Billboard::GetOwnWidth() const
            { return this->GraphicsBillboard->getOwnWidth(); }

        Real Billboard::GetOwnHeight() const
            { return this->GraphicsBillboard->getOwnHeight(); }

        void Billboard::SetTextureCoordRect(const Real Left, const Real Top, const Real Right, const Real Bottom)
            { this->GraphicsBillboard->setTexcoordRect(Left,Top,Right,Bottom); }

        Real Billboard::GetLeftTextureCoord() const
            { return this->GraphicsBillboard->getTexcoordRect().left; }

        Real Billboard::GetTopTextureCoord() const
            { return this->GraphicsBillboard->getTexcoordRect().top; }

        Real Billboard::GetRightTextureCoord() const
            { return this->GraphicsBillboard->getTexcoordRect().right; }

        Real Billboard::GetBottomTextureCoord() const
            { return this->GraphicsBillboard->getTexcoordRect().bottom; }

        ///////////////////////////////////////////////////////////////////////////////
        // Serialization

        void Billboard::ProtoSerialize(XML::Node& ParentNode) const
        {
            XML::Node SelfRoot = SelfRoot.AppendChild( Billboard::GetSerializableName() );

            if( SelfRoot.AppendAttribute("Version").SetValue("1") &&
                SelfRoot.AppendAttribute("Rotation").SetValue( this->GetRotation() ) )
            {
                if( this->HasOwnDimensions() ) {
                    if( !( SelfRoot.AppendAttribute("OwnWidth").SetValue( this->GetOwnWidth() ) &&
                           SelfRoot.AppendAttribute("OwnHeight").SetValue( this->GetOwnHeight() ) ) )
                    {
                        SerializeError("Create XML Attribute Values",Billboard::GetSerializableName(),true);
                    }
                }

                if( this->IsUsingTextureCoordRect() ) {
                    if( !( SelfRoot.AppendAttribute("LeftTexCoord").SetValue( this->GetLeftTextureCoord() ) &&
                           SelfRoot.AppendAttribute("TopTexCoord").SetValue( this->GetTopTextureCoord() ) &&
                           SelfRoot.AppendAttribute("RightTexCoord").SetValue( this->GetRightTextureCoord() ) &&
                           SelfRoot.AppendAttribute("BottomTexCoord").SetValue( this->GetBottomTextureCoord() ) ) )
                    {
                        SerializeError("Create XML Attribute Values",Billboard::GetSerializableName(),true);
                    }
                }

                XML::Node LocationNode = SelfRoot.AppendChild("Location");
                this->GetLocation().ProtoSerialize( LocationNode );
                XML::Node DirectionNode = SelfRoot.AppendChild("Direction");
                this->GetDirection().ProtoSerialize( DirectionNode );
                XML::Node ColourNode = SelfRoot.AppendChild("Colour");
                this->GetColour().ProtoSerialize( ColourNode );

                return;
            }else{
                SerializeError("Create XML Attribute Values",Billboard::GetSerializableName(),true);
            }
        }

        void Billboard::ProtoDeSerialize(const XML::Node& SelfRoot)
        {
            XML::Attribute CurrAttrib;

            if( String( SelfRoot.Name() ) == Billboard::GetSerializableName() ) {
                if(SelfRoot.GetAttribute("Version").AsInt() == 1) {
                    Real OwnWidth = -1.0, OwnHeight = -1.0;
                    Real LeftTexCoord = -1.0, TopTexCoord = -1.0, RightTexCoord = -1.0, BottomTexCoord = -1.0;

                    CurrAttrib = SelfRoot.GetAttribute("Rotation");
                    if( !CurrAttrib.Empty() )
                        this->SetRotation( CurrAttrib.AsReal() );

                    CurrAttrib = SelfRoot.GetAttribute("OwnWidth");
                    if( !CurrAttrib.Empty() )
                        OwnWidth = CurrAttrib.AsReal();

                    CurrAttrib = SelfRoot.GetAttribute("OwnHeight");
                    if( !CurrAttrib.Empty() )
                        OwnHeight = CurrAttrib.AsReal();

                    if( OwnWidth >= 0 && OwnHeight >= 0 ) {
                        this->SetDimensions(OwnWidth,OwnHeight);
                    }

                    CurrAttrib = SelfRoot.GetAttribute("LeftTexCoord");
                    if( !CurrAttrib.Empty() )
                        LeftTexCoord = CurrAttrib.AsReal();

                    CurrAttrib = SelfRoot.GetAttribute("TopTexCoord");
                    if( !CurrAttrib.Empty() )
                        TopTexCoord = CurrAttrib.AsReal();

                    CurrAttrib = SelfRoot.GetAttribute("RightTexCoord");
                    if( !CurrAttrib.Empty() )
                        RightTexCoord = CurrAttrib.AsReal();

                    CurrAttrib = SelfRoot.GetAttribute("BottomTexCoord");
                    if( !CurrAttrib.Empty() )
                        BottomTexCoord = CurrAttrib.AsReal();

                    if( LeftTexCoord >= 0 && TopTexCoord >= 0 && RightTexCoord >= 0 && BottomTexCoord >= 0 ) {
                        this->SetTextureCoordRect(LeftTexCoord,TopTexCoord,RightTexCoord,BottomTexCoord);
                    }

                    XML::Node LocationNode = SelfRoot.GetChild("Location").GetFirstChild();
                    if( !LocationNode.Empty() ) {
                        Vector3 Loc(LocationNode);
                        this->SetLocation(Loc);
                    }

                    XML::Node DirectionNode = SelfRoot.GetChild("Direction").GetFirstChild();
                    if( !DirectionNode.Empty() ) {
                        Vector3 Dir(DirectionNode);
                        this->SetDirection(Dir);
                    }

                    XML::Node ColourNode = SelfRoot.GetChild("Colour").GetFirstChild();
                    if( !ColourNode.Empty() ) {
                        ColourValue Colour(ColourNode);
                        this->SetColour(Colour);
                    }
                }else{
                    MEZZ_EXCEPTION(Exception::INVALID_VERSION_EXCEPTION,"Incompatible XML Version for " + Billboard::GetSerializableName() + ": Not Version 1.");
                }
            }else{
                MEZZ_EXCEPTION(Exception::II_IDENTITY_NOT_FOUND_EXCEPTION,Billboard::GetSerializableName() + " was not found in the provided XML node, which was expected.");
            }
        }

        String Billboard::GetSerializableName()
            { return "Billboard"; }

        ///////////////////////////////////////////////////////////////////////////////
        // Internal Methods

        Ogre::Billboard* Billboard::_GetGraphicsObject() const
            { return this->GraphicsBillboard; }
    }//Graphics
}//Mezzanine

#endif