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comparison engine/core/view/camera.h @ 482:16c2b3ee59ce

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* Merged the view performance branch back into trunk. fixes[ticket:419]
author helios2000@33b003aa-7bff-0310-803a-e67f0ece8222
date Thu, 29 Apr 2010 13:51:45 +0000
parents 9d94f4676d17
children c9113e23b004
comparison
equal deleted inserted replaced
481:1f37adc9a685 482:16c2b3ee59ce
45 class Rect; 45 class Rect;
46 class Instance; 46 class Instance;
47 class ImagePool; 47 class ImagePool;
48 class AnimationPool; 48 class AnimationPool;
49 class RenderBackend; 49 class RenderBackend;
50 typedef std::map<Layer*, std::vector<Instance*> > t_layer_to_instances; 50 class LayerCache;
51 class MapObserver;
52 typedef std::map<Layer*, RenderList > t_layer_to_instances;
51 53
52 /** Camera describes properties of a view port shown in the main screen 54 /** Camera describes properties of a view port shown in the main screen
53 * Main screen can have multiple cameras active simultanously 55 * Main screen can have multiple cameras active simultanously
54 * Different cameras can have different properties, like location 56 * Different cameras can have different properties, like location
55 * to shoot, zoom or tilt 57 * to shoot, zoom or tilt
56 */ 58 */
57 class Camera: public IRendererListener, public IRendererContainer { 59 class Camera: public IRendererListener, public IRendererContainer {
58 public: 60 public:
61 enum Transform {
62 NormalTransform = 0,
63 WarpedTransform = 1
64 };
65
59 /** Constructor 66 /** Constructor
60 * Camera needs to be added to the view. If not done so, it is not rendered. 67 * Camera needs to be added to the view. If not done so, it is not rendered.
61 * @param id identifier for the camera 68 * @param id identifier for the camera
62 * @param layer layer where camera is bound. Camera is bound to a layer for two reasons: 69 * @param layer layer where camera is bound. Camera is bound to a layer for two reasons:
63 * * camera's scaling is done based on cell image dimensions. Cell image is layer based (@see setCellImageDimensions) 70 * * camera's scaling is done based on cell image dimensions. Cell image is layer based (@see setCellImageDimensions)
147 /** Gets the location camera is rendering 154 /** Gets the location camera is rendering
148 * @return camera location 155 * @return camera location
149 */ 156 */
150 Location getLocation() const; 157 Location getLocation() const;
151 158
159 Point3D getOrigin() const;
160
152 /** Gets a reference to the camera location 161 /** Gets a reference to the camera location
153 * @note if you change returned location without calling Camera::setLocation(...), 162 * @note if you change returned location without calling Camera::setLocation(...),
154 * remember to call Camera::refresh() (otherwise camera transforms are not updated) 163 * remember to call Camera::refresh() (otherwise camera transforms are not updated)
155 * @return reference to the camera location 164 * @return reference to the camera location
156 */ 165 */
190 199
191 /** Transforms given point from map coordinates to screen coordinates 200 /** Transforms given point from map coordinates to screen coordinates
192 * @return point in screen coordinates 201 * @return point in screen coordinates
193 */ 202 */
194 ScreenPoint toScreenCoordinates(ExactModelCoordinate map_coords); 203 ScreenPoint toScreenCoordinates(ExactModelCoordinate map_coords);
204
205 /** Transforms given point from map coordinates to virtual screen coordinates
206 * @return point in screen coordinates
207 */
208 DoublePoint3D toVirtualScreenCoordinates(ExactModelCoordinate map_coords);
209
210 ScreenPoint virtualScreenToScreen(const DoublePoint3D& p);
211 DoublePoint3D screenToVirtualScreen(const ScreenPoint& p);
195 212
196 /** Sets camera enabled / disabled 213 /** Sets camera enabled / disabled
197 */ 214 */
198 void setEnabled(bool enabled); 215 void setEnabled(bool enabled);
199 216
264 void onRendererEnabledChanged(RendererBase* renderer); 281 void onRendererEnabledChanged(RendererBase* renderer);
265 282
266 /** Renders camera 283 /** Renders camera
267 */ 284 */
268 void render(); 285 void render();
269
270 private: 286 private:
287 friend class MapObserver;
288 void addLayer(Layer* layer);
289 void removeLayer(Layer* layer);
290 void updateMap(Map* map);
271 std::string m_id; 291 std::string m_id;
292
272 293
273 /** Updates the camera transformation matrix T with requested values. 294 /** Updates the camera transformation matrix T with requested values.
274 * The requests are done using these functions : 295 * The requests are done using these functions :
275 * - setLocation 296 * - setLocation
276 * - setRotation 297 * - setRotation
290 */ 311 */
291 DoublePoint getLogicalCellDimensions(Layer* layer); 312 DoublePoint getLogicalCellDimensions(Layer* layer);
292 313
293 DoubleMatrix m_matrix; 314 DoubleMatrix m_matrix;
294 DoubleMatrix m_inverse_matrix; 315 DoubleMatrix m_inverse_matrix;
316
317 DoubleMatrix m_vs_matrix;
318 DoubleMatrix m_vs_inverse_matrix;
319 DoubleMatrix m_vscreen_2_screen;
320 DoubleMatrix m_screen_2_vscreen;
321
295 double m_tilt; 322 double m_tilt;
296 double m_rotation; 323 double m_rotation;
297 double m_zoom; 324 double m_zoom;
298 Location m_location; 325 Location m_location;
299 ScreenPoint m_prev_origo; 326 ScreenPoint m_prev_origo;
318 ImagePool* m_ipool; 345 ImagePool* m_ipool;
319 AnimationPool* m_apool; 346 AnimationPool* m_apool;
320 347
321 // caches layer -> instances structure between renders e.g. to fast query of mouse picking order 348 // caches layer -> instances structure between renders e.g. to fast query of mouse picking order
322 t_layer_to_instances m_layer_to_instances; 349 t_layer_to_instances m_layer_to_instances;
350
351 std::map<Layer*,LayerCache*> m_cache;
352 MapObserver* m_map_observer;
353 Map* m_map;
323 }; 354 };
324 } 355 }
325 #endif 356 #endif