entityproxy.h

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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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   Joseph Toppi - toppij@gmail.com
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*/
#ifndef _graphicsentityproxy_h
#define _graphicsentityproxy_h

/// @file
/// @brief This file contains the declaration for the World proxy wrapping basic entity(mesh) functionality.

#include "Graphics/renderableproxy.h"

namespace Ogre
{
    class Entity;
}

namespace Mezzanine
{
    namespace Graphics
    {
        class Mesh;
        ///////////////////////////////////////////////////////////////////////////////
        /// @brief This is the proxy class for placing and manipulating a mesh in the scene.
        /// @details
        ///////////////////////////////////////
        class MEZZ_LIB EntityProxy : public RenderableProxy
        {
        protected:
            // We want to be able to preserve all our settings and set a mesh seemlessly, but the underlying implementation doesn't support that.
            // So we need a cache of all the settings we can access.  Our base class already handles two such settings, so we can skip those.

            /// @internal
            /// @brief A pointer to the internal Entity this proxy is based on.
            Ogre::Entity* GraphicsEntity;
            /// @internal
            /// @brief A pointer to the mesh being used by this proxy.
            Mesh* ProxyMesh;

            /// @internal
            /// @brief Stores the maximum distance this object can be from the camera before it is clipped/culled.
            Real RenderDist;
            /// @internal
            /// @brief A bitmask which will be compared against to determine which lights apply to this object.
            UInt32 LightMask;
            /// @internal
            /// @brief Stores whether or not this object should be rendered, regardless of other criteria.
            Boolean SceneVisible;
            /// @internal
            /// @brief Stores whether or not this object can cast shadows on other objects.
            Boolean CanCastShadows;

            /// @internal
            /// @brief Creates an internal entity based on the provided mesh.
            /// @param ObjectMesh A pointer to the mesh to be applied to this proxy.
            virtual void CreateEntity(Mesh* ObjectMesh);
            /// @internal
            /// @brief Creates an internal entity based on the provided mesh.
            /// @param MeshName The name of the mesh to be loaded and applied to this proxy.
            /// @param GroupName The resource group name where the mesh can be found.
            virtual void CreateEntity(const String& MeshName, const String& GroupName);
            /// @internal
            /// @brief Destroys the internal entity in use by this proxy.
            virtual void DestroyEntity();
        public:
            /// @brief Blank constructor.
            /// @param Creator A pointer to the manager that created this proxy.
            EntityProxy(SceneManager* Creator);
            /// @brief Loaded Mesh constructor.
            /// @param TheMesh A pointer to the mesh to be applied to this proxy.
            /// @param Creator A pointer to the manager that created this proxy.
            EntityProxy(Mesh* TheMesh, SceneManager* Creator);
            /// @brief Standard constructor.
            /// @param MeshName The name of the mesh to be loaded and applied to this proxy.
            /// @param GroupName The resource group name where the mesh can be found.
            /// @param Creator A pointer to the manager that created this proxy.
            EntityProxy(const String& MeshName, const String& GroupName, SceneManager* Creator);
            /// @brief XML constructor.
            /// @param SelfRoot An XML::Node containing the data to populate this class with.
            /// @param Creator A pointer to the manager that created this proxy.
            EntityProxy(const XML::Node& SelfRoot, SceneManager* Creator);
            /// @brief Class destructor.
            virtual ~EntityProxy();

            /// @todo Create sub-entity access methods on this class.
            /// @todo Create minor material manipulation methods on this class.
            /// @todo Create Animation state and Skeleton access methods on this class.

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

            /// @copydoc WorldProxy::GetProxyType() const
            virtual Mezzanine::ProxyType GetProxyType() const;

            /// @copydoc WorldProxy::AddToWorld()
            virtual void AddToWorld();
            /// @copydoc WorldProxy::RemoveFromWorld()
            virtual void RemoveFromWorld();

            ///////////////////////////////////////////////////////////////////////////////
            // Mesh Management

            /// @brief Sets the mesh to be used by this proxy.
            /// @param MeshName The name of the mesh to apply to this proxy.
            /// @param Group The resource group to which the mesh belongs.
            virtual void SetMesh(const String& MeshName, const String& Group);
            /// @brief Sets the mesh to be used by this proxy.
            /// @param ObjectMesh The mesh to apply to this proxy.
            virtual void SetMesh(Mesh* ObjectMesh);
            /// @brief Gets the mesh currently being used by this proxy.
            /// @return Returns a pointer to the mesh currently being used by this proxy.
            virtual Mesh* GetMesh() const;

            ///////////////////////////////////////////////////////////////////////////////
            // RenderableProxy Properties

            /// @copydoc RenderableProxy::SetVisible(const Bool)
            virtual void SetVisible(const Boolean Visible);
            /// @copydoc RenderableProxy::GetVisible() const
            virtual Boolean GetVisible() const;
            /// @copydoc RenderableProxy::SetCastShadows(const Bool)
            virtual void SetCastShadows(const Boolean CastShadows);
            /// @copydoc RenderableProxy::GetCastShadows() const
            virtual Boolean GetCastShadows() const;
            /// @copydoc RenderableProxy::GetReceiveShadows() const
            virtual Boolean GetReceiveShadows() const;

            /// @copydoc RenderableProxy::SetLightMask(const UInt32)
            virtual void SetLightMask(const UInt32 Mask);
            /// @copydoc RenderableProxy::GetLightMask() const
            virtual UInt32 GetLightMask() const;
            /// @copydoc RenderableProxy::SetVisibilityMask(const UInt32)
            virtual void SetVisibilityMask(const UInt32 Mask);
            /// @copydoc RenderableProxy::GetVisibilityMask() const
            virtual UInt32 GetVisibilityMask() const;
            /// @copydoc RenderableProxy::SetQueryMask(const UInt32)
            virtual void SetQueryMask(const UInt32 Mask);
            /// @copydoc RenderableProxy::GetQueryMask() const
            virtual UInt32 GetQueryMask() const;

            /// @copydoc RenderableProxy::SetRenderDistance(const Real)
            virtual void SetRenderDistance(const Real Distance);
            /// @copydoc RenderableProxy::GetRenderDistance() const
            virtual Real GetRenderDistance() const;

            ///////////////////////////////////////////////////////////////////////////////
            // Entity Properties

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

            /// @copydoc WorldProxy::ProtoSerialize(XML::Node&) const
            virtual void ProtoSerialize(XML::Node& ParentNode) const;
            /// @copydoc WorldProxy::ProtoSerializeProperties(XML::Node& SelfRoot) const
            virtual void ProtoSerializeProperties(XML::Node& SelfRoot) const;
            /// @brief Convert the mesh of this class to an XML::Node ready for serialization.
            /// @param SelfRoot The root node containing all the serialized data for this instance.
            virtual void ProtoSerializeMesh(XML::Node& SelfRoot) const;

            /// @copydoc WorldProxy::ProtoDeSerialize(const XML::Node&)
            virtual void ProtoDeSerialize(const XML::Node& SelfRoot);
            /// @copydoc WorldProxy::ProtoDeSerializeProperties(const XML::Node& SelfRoot)
            virtual void ProtoDeSerializeProperties(const XML::Node& SelfRoot);
            /// @brief Take the data stored in an XML Node and overwrite the mesh of this object with it.
            /// @param SelfRoot An XML::Node containing the data to populate this class with.
            virtual void ProtoDeSerializeMesh(const XML::Node& SelfRoot);

            /// @copydoc WorldProxy::GetDerivedSerializableName() const
            virtual String GetDerivedSerializableName() const;
            /// @copydoc WorldProxy::GetSerializableName()
            static String GetSerializableName();

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

            /// @internal
            /// @brief Accessor for the internal entity.
            /// @return Returns a pointer to the internal entity this proxy is based on.
            virtual Ogre::Entity* _GetGraphicsObject() const;
            /// @copydoc RenderableProxy::_GetBaseGraphicsObject() const
            virtual Ogre::MovableObject* _GetBaseGraphicsObject() const;
        };//EntityProxy
    }//Graphics
}//Mezzanine

#endif