source: GTP/trunk/App/Demos/Geom/OgreStuff/include/OgreParticleEmitterFactory.h @ 1812

Revision 1812, 2.9 KB checked in by gumbau, 18 years ago (diff)
Line 
1/*
2-----------------------------------------------------------------------------
3This source file is part of OGRE
4        (Object-oriented Graphics Rendering Engine)
5For the latest info, see http://www.ogre3d.org/
6
7Copyright (c) 2000-2005 The OGRE Team
8Also see acknowledgements in Readme.html
9
10This program is free software; you can redistribute it and/or modify it under
11the terms of the GNU Lesser General Public License as published by the Free Software
12Foundation; either version 2 of the License, or (at your option) any later
13version.
14
15This program is distributed in the hope that it will be useful, but WITHOUT
16ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
18
19You should have received a copy of the GNU Lesser General Public License along with
20this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21Place - Suite 330, Boston, MA 02111-1307, USA, or go to
22http://www.gnu.org/copyleft/lesser.txt.
23-----------------------------------------------------------------------------
24*/
25#ifndef __ParticleEmitterFactory_H__
26#define __ParticleEmitterFactory_H__
27
28
29#include "OgrePrerequisites.h"
30#include "OgreParticleEmitter.h"
31#include "OgreString.h"
32
33namespace Ogre {
34
35    /** Abstract class defining the interface to be implemented by creators of ParticleEmitter subclasses.
36    @remarks
37        Plugins or 3rd party applications can add new types of particle emitters to Ogre by creating
38        subclasses of the ParticleEmitter class. Because multiple instances of these emitters may be
39        required, a factory class to manage the instances is also required.
40    @par
41        ParticleEmitterFactory subclasses must allow the creation and destruction of ParticleEmitter
42        subclasses. They must also be registered with the ParticleSystemManager. All factories have
43        a name which identifies them, examples might be 'point', 'cone', or 'box', and these can be
44        also be used from particle system scripts.
45    */
46    class _OgreExport ParticleEmitterFactory
47    {
48    protected:
49        std::vector<ParticleEmitter*> mEmitters;
50    public:
51        ParticleEmitterFactory() {};
52        virtual ~ParticleEmitterFactory();
53
54        /** Returns the name of the factory, the name which identifies the particle emitter type this factory creates. */
55        virtual String getName() const = 0;
56
57        /** Creates a new emitter instance.
58        @remarks
59            The subclass MUST add a pointer to the created instance to mEmitters.
60        */
61        virtual ParticleEmitter* createEmitter(ParticleSystem* psys) = 0;
62
63        /** Destroys the emitter pointed to by the parameter (for early clean up if reauired). */
64        virtual void destroyEmitter(ParticleEmitter* e);
65
66    };
67
68
69}
70
71
72#endif
73
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