[3255] | 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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