OgreBillboardParticleRenderer.h

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/*
-----------------------------------------------------------------------------
This source file is part of OGRE
(Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2012 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-----------------------------------------------------------------------------
*/
#ifndef __BillboardParticleRenderer_H__
#define __BillboardParticleRenderer_H__

#include "OgrePrerequisites.h"
#include "OgreParticleSystemRenderer.h"
#include "OgreBillboardSet.h"

namespace Ogre {

    class _OgreExport BillboardParticleRenderer : public ParticleSystemRenderer
    {
    protected:
        BillboardSet* mBillboardSet;
    public:
        BillboardParticleRenderer();
        ~BillboardParticleRenderer();

        class _OgrePrivate CmdBillboardType : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
        class _OgrePrivate CmdBillboardOrigin : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
        class _OgrePrivate CmdBillboardRotationType : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
        class _OgrePrivate CmdCommonDirection : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
        class _OgrePrivate CmdCommonUpVector : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
        class _OgrePrivate CmdPointRendering : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
        class _OgrePrivate CmdAccurateFacing : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };

        void setBillboardType(BillboardType bbt);

        BillboardType getBillboardType(void) const;

        void setUseAccurateFacing(bool acc);
        bool getUseAccurateFacing(void) const;

        void setBillboardOrigin(BillboardOrigin origin) { mBillboardSet->setBillboardOrigin(origin); }

        BillboardOrigin getBillboardOrigin(void) const { return mBillboardSet->getBillboardOrigin(); }

        void setBillboardRotationType(BillboardRotationType rotationType);

        BillboardRotationType getBillboardRotationType(void) const;

        void setCommonDirection(const Vector3& vec);

        const Vector3& getCommonDirection(void) const;

        void setCommonUpVector(const Vector3& vec);

        const Vector3& getCommonUpVector(void) const;

        void setPointRenderingEnabled(bool enabled);

        bool isPointRenderingEnabled(void) const;



        const String& getType(void) const;
        void _updateRenderQueue(RenderQueue* queue, 
            list<Particle*>::type& currentParticles, bool cullIndividually);
        void visitRenderables(Renderable::Visitor* visitor, 
            bool debugRenderables = false);
        void _setMaterial(MaterialPtr& mat);
        void _notifyCurrentCamera(Camera* cam);
        void _notifyParticleRotated(void);
        void _notifyParticleResized(void);
        void _notifyParticleQuota(size_t quota);
        void _notifyAttached(Node* parent, bool isTagPoint = false);
        void _notifyDefaultDimensions(Real width, Real height);
        void setRenderQueueGroup(uint8 queueID);
        void setKeepParticlesInLocalSpace(bool keepLocal);
        SortMode _getSortMode(void) const;

        BillboardSet* getBillboardSet(void) const { return mBillboardSet; }

    protected:
        static CmdBillboardType msBillboardTypeCmd;
        static CmdBillboardOrigin msBillboardOriginCmd;
        static CmdBillboardRotationType msBillboardRotationTypeCmd;
        static CmdCommonDirection msCommonDirectionCmd;
        static CmdCommonUpVector msCommonUpVectorCmd;
        static CmdPointRendering msPointRenderingCmd;
        static CmdAccurateFacing msAccurateFacingCmd;


    };

    class _OgreExport BillboardParticleRendererFactory : public ParticleSystemRendererFactory
    {
    public:
        const String& getType() const;
        ParticleSystemRenderer* createInstance( const String& name );    
        void destroyInstance( ParticleSystemRenderer* inst);    
    };
}

#endif