C:/Users/Marc/Desktop/Phystank/trunk/src/game/BaseVisual.h

//This file is part of PhysTank.
//
//PhysTank 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.
//
//PhysTank 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 PhysTank.  If not, see <http://www.gnu.org/licenses/>.
//
// © Marc Johnson, 2009

#ifndef _BASEVISUAL_
#define _BASEVISUAL_

#include <string>

#include "util/AbstractStreamedObject.h"
#include "util/Attribute.h"
#include "util/Vector2.h"

#define DEFAULT_VISUAL_CONSTRUCTOR(class_name, initialization_list) \
        class_name##(const std::string & type) \
        :BaseVisual(type) initialization_list \
        {\
        }

class AbstractRenderer;
class GameEntity;

class BaseVisual : public AbstractStreamedObject
{
private:
        std::string m_type;
        GameEntity* m_pOwner;
        Vector2 m_position;
        float m_fRotation;
        float m_fScale;
        bool m_bRelativeXForm;
public:
        BaseVisual(const std::string& type)
        :m_type(type), m_pOwner(0), m_fRotation(0.0f), m_fScale(1.0f), m_bRelativeXForm(true)
        {
        }
        
        BaseVisual(const std::string & type, GameEntity* pOwner, const Vector2 & position, const float fRotation, const float fScale, bool bRelativeXForm)
        :m_type(type), m_pOwner(pOwner), m_position(position), m_fRotation(fRotation), m_bRelativeXForm(bRelativeXForm)
        {
        }

        virtual ~BaseVisual() { }

        void SetPosition(const Vector2 & position) { m_position = position; }
        const Vector2 & GetPosition() const { return m_position; }

        void SetRotation(const float fRotation) { m_fRotation = fRotation; }
        float GetRotation() const { return m_fRotation; }

        void SetScale(const float fScale) { m_fScale = fScale; }
        float GetScale() const { return m_fScale; }

        GameEntity * GetOwner() const { return m_pOwner; }
        void SetOwner(GameEntity * pOwner) { m_pOwner = pOwner; }

        bool IsRelativeXForm() const { return m_bRelativeXForm; }
        void SetRelativeXForm(bool bRelative) { m_bRelativeXForm = bRelative; }

        const std::string & GetType() const { return m_type; }

        Vector2 GetAbsolutePosition() const;
        float GetAbsoluteRotation() const;

        virtual void RenderVisual(AbstractRenderer * pRenderer, const int nDelta) = 0;
        
        virtual bool FromAttribute(const Attribute * pRoot);
        virtual void ToStream(std::ostream& stream) const;
        virtual void FromStream(std::istream& stream);
};

#endif

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