rendererbase.h

00001 /***************************************************************************
00002  *   Copyright (C) 2005-2008 by the FIFE team                              *
00003  *   http://www.fifengine.de                                               *
00004  *   This file is part of FIFE.                                            *
00005  *                                                                         *
00006  *   FIFE is free software; you can redistribute it and/or                 *
00007  *   modify it under the terms of the GNU Lesser General Public            *
00008  *   License as published by the Free Software Foundation; either          *
00009  *   version 2.1 of the License, or (at your option) any later version.    *
00010  *                                                                         *
00011  *   This library is distributed in the hope that it will be useful,       *
00012  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00013  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00014  *   Lesser General Public License for more details.                       *
00015  *                                                                         *
00016  *   You should have received a copy of the GNU Lesser General Public      *
00017  *   License along with this library; if not, write to the                 *
00018  *   Free Software Foundation, Inc.,                                       *
00019  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
00020  ***************************************************************************/
00021 
00022 #ifndef FIFE_RENDERERBASE_H
00023 #define FIFE_RENDERERBASE_H
00024 
00025 // Standard C++ library includes
00026 #include <list>
00027 #include <vector>
00028 
00029 // 3rd party library includes
00030 
00031 // FIFE includes
00032 // These includes are split up in two parts, separated by one empty line
00033 // First block: files included from the FIFE root src directory
00034 // Second block: files included from the same folder
00035 
00036 namespace FIFE {
00037     class Camera;
00038     class Layer;
00039     class Map;
00040     class Instance;
00041     class RenderBackend;
00042     
00043     class RendererBase;
00048     class IRendererListener {
00049     public:
00050         virtual ~IRendererListener() {}
00051         
00054         virtual void onRendererPipelinePositionChanged(RendererBase* renderer) = 0;
00055         
00058         virtual void onRendererEnabledChanged(RendererBase* renderer) = 0;
00059     };
00060     
00064     class IRendererContainer {
00065     public:
00066         virtual ~IRendererContainer() {}
00067         
00070         virtual RendererBase* getRenderer(const std::string& renderername) = 0;
00071     };
00072     
00076     class RendererBase {
00077     public:
00082         RendererBase(RenderBackend* renderbackend, int position);
00083         
00086         RendererBase(const RendererBase& old);
00087         
00090         virtual RendererBase* clone() = 0;
00091         
00094         virtual ~RendererBase() {};
00095         
00107         virtual void render(Camera* cam, Layer* layer, std::vector<Instance*>& instances) = 0;
00108         
00111         virtual std::string getName() = 0;
00112         
00115         int getPipelinePosition() const { return m_pipeline_position; }
00116         
00122         void setPipelinePosition(int position);
00123         
00126         virtual void setEnabled(bool enabled);
00127         
00130         virtual void reset() {}
00131         
00134         bool isEnabled() const { return m_enabled; }
00135         
00138         void setRendererListener(IRendererListener* listener) { m_listener = listener; }
00139         
00142         void addActiveLayer(Layer* layer);
00143         
00146         void removeActiveLayer(Layer* layer);
00147         
00150         void clearActiveLayers();
00151         
00154         void activateAllLayers(Map* elevation);
00155         
00158         bool isActivedLayer(Layer* layer);
00159         
00160     
00161     protected:
00162         RendererBase();
00163         
00164         std::list<Layer*> m_active_layers;
00165         RenderBackend* m_renderbackend;
00166     
00167     private:
00168         bool m_enabled;
00169         int m_pipeline_position;
00170         IRendererListener* m_listener;
00171     };
00172 }
00173 
00174 #endif
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