1 | #ifndef FRAMECAPTURE_H
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2 | #define FRAMECAPTURE_H
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3 |
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4 | #include "Ogre.h"
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5 |
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6 | using namespace Ogre;
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7 |
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8 | class FrameCapture: public FrameListener
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9 | {
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10 | class SceneNodeTransformKey
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11 | {
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12 | public:
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13 | Vector3 translate;
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14 | Quaternion rotation;
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15 | SceneNode* node;
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16 |
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17 | SceneNodeTransformKey(SceneNode* node)
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18 | {
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19 | this->node = node;
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20 | translate = node->getPosition();
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21 | rotation = node->getOrientation();
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22 | }
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23 |
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24 | void applyKey()
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25 | {
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26 | node->setPosition(translate);
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27 | node->setOrientation(rotation);
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28 | }
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29 | };
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30 |
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31 | class SceneNodeTransformAnimation
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32 | {
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33 | protected:
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34 |
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35 | std::vector<SceneNodeTransformKey*> keys;
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36 | SceneNode* node;
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37 | std::vector<SceneNodeTransformKey*>::iterator iter;
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38 | std::vector<SceneNodeTransformKey*>::iterator iterEnd;
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39 |
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40 | public:
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41 |
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42 | SceneNodeTransformAnimation(SceneNode* node)
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43 | {
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44 | this->node = node;
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45 | }
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46 | void addKey()
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47 | {
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48 | keys.push_back(new SceneNodeTransformKey(node));
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49 | }
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50 | void startPlay()
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51 | {
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52 | iter = keys.begin();
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53 | iterEnd = keys.end();
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54 | }
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55 | bool stepFrame()
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56 | {
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57 | if(iter == iterEnd)
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58 | return false;
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59 |
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60 | (*iter)->applyKey();
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61 | iter++;
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62 | return true;
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63 | }
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64 | void reset()
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65 | {
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66 | keys.clear();
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67 | }
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68 | };
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69 |
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70 | protected:
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71 | std::vector< SceneNodeTransformAnimation*> animables;
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72 |
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73 | public:
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74 |
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75 | FrameCapture(RenderTarget* rendertarget)
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76 | {
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77 | target = rendertarget;
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78 | isPlaying = false;
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79 | isRecording = false;
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80 | isSaving = false;
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81 | framerate = 15;
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82 | frameTime = 1000 / framerate;
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83 | lastTime = 0;
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84 | }
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85 | void addAnimableNode(SceneNode* node)
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86 | {
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87 | SceneNodeTransformAnimation* newTrack = new SceneNodeTransformAnimation(node);
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88 | animables.push_back(newTrack);
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89 | }
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90 | void recordEvent()
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91 | {
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92 | if(!isRecording && !isPlaying)
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93 | startRecording();
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94 | else if(isRecording) stopRecording();
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95 | }
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96 | void playEvent()
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97 | {
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98 | if(!isRecording && !isPlaying)
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99 | startPlaying();
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100 | else if(isPlaying) stopPlaying();
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101 | }
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102 | void setSaving(){isSaving = true;}
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103 | void setFrameRate(int fr)
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104 | {
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105 | framerate = fr;
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106 | frameTime = 1000 / framerate;
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107 | }
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108 |
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109 | protected:
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110 | bool isPlaying;
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111 | bool isRecording;
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112 | bool isSaving;
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113 | int framerate;
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114 | unsigned long currentFrame;
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115 | unsigned long frameTime;
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116 | unsigned long lastTime;
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117 | RenderTarget* target;
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118 |
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119 | void startPlaying()
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120 | {
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121 | isPlaying = true;
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122 | std::vector< SceneNodeTransformAnimation*>::iterator iter = animables.begin();
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123 | std::vector< SceneNodeTransformAnimation*>::iterator iterEnd = animables.end();
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124 | while(iter != iterEnd)
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125 | {
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126 | (*iter)->startPlay();
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127 | iter++;
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128 | }
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129 | currentFrame = 0;
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130 | }
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131 | void stopPlaying()
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132 | {
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133 | isPlaying = false;
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134 | }
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135 | void startRecording()
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136 | {
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137 | isRecording = true;
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138 | std::vector< SceneNodeTransformAnimation*>::iterator iter = animables.begin();
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139 | std::vector< SceneNodeTransformAnimation*>::iterator iterEnd = animables.end();
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140 | while(iter != iterEnd)
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141 | {
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142 | (*iter)->reset();
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143 | iter++;
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144 | }
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145 | }
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146 | void stopRecording()
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147 | {
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148 | isRecording = false;
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149 | }
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150 | void play()
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151 | {
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152 | std::vector< SceneNodeTransformAnimation*>::iterator iter = animables.begin();
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153 | std::vector< SceneNodeTransformAnimation*>::iterator iterEnd = animables.end();
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154 | while(iter != iterEnd)
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155 | {
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156 | if(!(*iter)->stepFrame())
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157 | {
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158 | isPlaying = false;
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159 | isSaving = false;
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160 | return;
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161 | }
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162 | iter++;
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163 | }
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164 | currentFrame++;
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165 | }
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166 | void record()
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167 | {
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168 | unsigned long thisTime = Root::getSingleton().getTimer()->getMilliseconds();
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169 | unsigned long timeElapsed = thisTime - lastTime;
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170 |
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171 | if(timeElapsed < frameTime)
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172 | return;
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173 |
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174 | lastTime = thisTime;
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175 |
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176 | std::vector< SceneNodeTransformAnimation*>::iterator iter = animables.begin();
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177 | std::vector< SceneNodeTransformAnimation*>::iterator iterEnd = animables.end();
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178 | while(iter != iterEnd)
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179 | {
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180 | (*iter)->addKey();
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181 | iter++;
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182 | }
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183 | }
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184 |
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185 | bool frameStarted(const FrameEvent& evt)
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186 | {
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187 | if(isPlaying)
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188 | play();
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189 | if(isRecording)
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190 | record();
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191 | return true;
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192 | }
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193 | bool frameEnded(const FrameEvent& evt)
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194 | {
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195 | if(isSaving)
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196 | {
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197 | String filename = "capture" + StringConverter::toString(currentFrame) + ".tga";
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198 | target->writeContentsToFile(filename);
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199 | }
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200 |
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201 | return true;
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202 | }
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203 | };
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204 |
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205 | #endif |
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