Mercurial > fife-parpg
annotate engine/core/view/rendererbase.h @ 202:1d9154c535cf
fixed bug where the root directory path name was being added to the filename twice. It was initially added in the listFiles/listDirectories functions and then added again in the private function list. I modified the code so it is only added in the list function now.
author | vtchill@33b003aa-7bff-0310-803a-e67f0ece8222 |
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date | Fri, 13 Mar 2009 03:05:14 +0000 |
parents | 90005975cdbb |
children | 44919eb74c40 |
rev | line source |
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1 /*************************************************************************** |
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2 * Copyright (C) 2005-2008 by the FIFE team * |
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3 * http://www.fifengine.de * |
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4 * This file is part of FIFE. * |
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5 * * |
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6 * FIFE is free software; you can redistribute it and/or * |
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7 * modify it under the terms of the GNU Lesser General Public * |
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8 * License as published by the Free Software Foundation; either * |
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9 * version 2.1 of the License, or (at your option) any later version. * |
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10 * * |
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11 * This library is distributed in the hope that it will be useful, * |
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * |
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14 * Lesser General Public License for more details. * |
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15 * * |
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16 * You should have received a copy of the GNU Lesser General Public * |
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17 * License along with this library; if not, write to the * |
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18 * Free Software Foundation, Inc., * |
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * |
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20 ***************************************************************************/ |
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21 |
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22 #ifndef FIFE_RENDERERBASE_H |
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23 #define FIFE_RENDERERBASE_H |
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24 |
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25 // Standard C++ library includes |
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26 #include <list> |
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27 |
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28 // 3rd party library includes |
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29 |
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30 // FIFE includes |
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31 // These includes are split up in two parts, separated by one empty line |
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32 // First block: files included from the FIFE root src directory |
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33 // Second block: files included from the same folder |
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34 |
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35 namespace FIFE { |
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36 class Camera; |
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37 class Layer; |
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38 class Map; |
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39 class Instance; |
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40 class RenderBackend; |
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41 |
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42 class RendererBase; |
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43 /** RendererListener allows reaction to changes in renderer |
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44 * Having this implemented via callback mechanism should speed up the rendering a bit |
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45 * (e.g. no need to sort pipeline order per each frame) |
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46 */ |
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47 class IRendererListener { |
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48 public: |
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49 virtual ~IRendererListener() {} |
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50 |
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51 /** Renderer's pipeline position has been changed |
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52 */ |
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53 virtual void onRendererPipelinePositionChanged(RendererBase* renderer) = 0; |
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54 |
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55 /** Renderer is enabled / disabled |
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56 */ |
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57 virtual void onRendererEnabledChanged(RendererBase* renderer) = 0; |
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58 }; |
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59 |
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60 /** Interface to class owning the renderers |
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61 * Used to get correct subclass of renderer in scripting side (via renderer's static method) |
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62 */ |
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63 class IRendererContainer { |
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64 public: |
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65 virtual ~IRendererContainer() {} |
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66 |
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67 /** Returns renderer with given name |
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68 */ |
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69 virtual RendererBase* getRenderer(const std::string& renderername) = 0; |
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70 }; |
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71 |
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72 /** Base class for all view renderers |
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73 * View renderer renders one aspect of the view shown on screen |
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74 */ |
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75 class RendererBase { |
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76 public: |
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77 /** Constructor |
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78 * @param renderbackend to use |
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79 * @param position position for this renderer in rendering pipeline |
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80 */ |
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81 RendererBase(RenderBackend* renderbackend, int position); |
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82 |
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83 /** Copy Constructor |
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84 */ |
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85 RendererBase(const RendererBase& old); |
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86 |
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87 /** Makes copy of this renderer |
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88 */ |
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89 virtual RendererBase* clone() = 0; |
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90 |
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91 /** Destructor |
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92 */ |
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93 virtual ~RendererBase() {}; |
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94 |
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95 /** This method is called by the view to ask renderer to draw its rendering aspect based on |
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96 * given parameters. Renderers receive non-clipped instance stack since there is no |
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97 * way to know which information is relevant for the renderer. E.g. effect renderer |
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98 * might need to know offscreen instance locations to be able to draw radiation coming from |
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99 * some instance not visible on the screen. |
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100 * |
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101 * @param cam camera view to draw |
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102 * @param layer current layer to be rendered |
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103 * @param instances instances on the current layer |
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104 * @ see setPipelinePosition |
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105 */ |
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106 virtual void render(Camera* cam, Layer* layer, std::vector<Instance*>& instances) = 0; |
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107 |
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108 /** Name of the renderer |
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109 */ |
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110 virtual std::string getName() = 0; |
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111 |
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112 /** Gets renderer position in the rendering pipeline |
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113 */ |
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114 int getPipelinePosition() const { return m_pipeline_position; } |
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115 |
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116 /** Sets renderer position in the rendering pipeline |
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117 * Pipeline position defines in which order view calls the renderers when update occurs |
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118 * Note that renderers are called once per rendered layer, thus to update the |
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119 * whole screen, renderer might receive multiple calls |
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120 */ |
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121 void setPipelinePosition(int position); |
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122 |
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123 /** Enables renderer |
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124 */ |
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125 virtual void setEnabled(bool enabled); |
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126 |
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127 /** Resets information in the renderer |
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128 */ |
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129 virtual void reset() {} |
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130 |
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131 /** Is renderer enabled |
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132 */ |
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133 bool isEnabled() const { return m_enabled; } |
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134 |
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135 /** Sets listener for renderer |
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136 */ |
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137 void setRendererListener(IRendererListener* listener) { m_listener = listener; } |
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138 |
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139 /** Adds active layer to renderer. Only active layers are rendered |
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140 */ |
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141 void addActiveLayer(Layer* layer); |
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142 |
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143 /** Removes active layer from renderer. |
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144 */ |
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145 void removeActiveLayer(Layer* layer); |
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146 |
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147 /** Clears all active layers from renderer |
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148 */ |
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149 void clearActiveLayers(); |
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150 |
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151 /** Activates all layers from given elevation |
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152 */ |
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153 void activateAllLayers(Map* elevation); |
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154 |
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155 /** Returns if given layer is currently activated |
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156 */ |
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157 bool isActivedLayer(Layer* layer); |
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158 |
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159 |
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160 protected: |
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161 RendererBase(); |
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162 |
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163 std::list<Layer*> m_active_layers; |
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164 RenderBackend* m_renderbackend; |
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165 |
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166 private: |
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167 bool m_enabled; |
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168 int m_pipeline_position; |
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169 IRendererListener* m_listener; |
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170 }; |
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171 } |
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172 |
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173 #endif |