1 | #ifndef _PlatformQueryManager_H__ |
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2 | #define _PlatformQueryManager_H__ |
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3 | |
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4 | #include "VisibilityInfo.h" |
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5 | #include "QueryManager.h" |
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6 | #include "OgrePlatformHierarchyInterface.h" |
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7 | |
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8 | namespace Ogre {
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9 |
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10 | /**
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11 | Class which implements the QueryManager for Ogre scene queries.
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12 | */
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13 | class __declspec(dllexport) PlatformQueryManager: public GtpVisibility::QueryManager
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14 | {
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15 | public:
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16 | /** Constructor taking a hierarchy interface as an argument. This allows to operate
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17 | onm different hierarchy types, while reusing the implementation of the query methods.
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18 | */
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19 | PlatformQueryManager(PlatformHierarchyInterface *hierarchyInterface, Viewport *vp);
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20 |
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21 | /**
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22 | Uses the specified point to execute the visibility query in all directions.
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23 | @sa ComputeCameraVisibility()
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24 | */
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25 | void ComputeFromPointVisibility(const Vector3 &point,
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26 | InfoContainer<GtpVisibility::NodeInfo> *visibleNodes,
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27 | InfoContainer<GtpVisibility::MeshInfo> *visibleGeometry,
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28 | bool relativeVisibility = false);
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29 |
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30 | /**
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31 | Ray shooting interface: finds an intersection with objects in the scene.
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32 |
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33 | @param ray The given input ray (assuming the ray direction is normalized)
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34 |
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35 | @param visibleMeshes List of meshes intersecting the ray
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36 |
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37 | @param isGlobalLine If false only first intersection with opaque object is returned.
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38 | Otherwise all intersections of the ray with the scene are found.
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39 |
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40 | @return true if there is any intersection.
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41 | */
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42 | virtual bool
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43 | ShootRay(const Ray &ray,
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44 | std::vector<Mesh *> *visibleMeshes,
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45 | bool isGlobalLine = false
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46 | );
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47 |
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48 | /** Sets a viewport for rendering.
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49 | */
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50 | void SetViewport(Viewport *vp);
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51 |
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52 | protected:
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53 | Viewport *mViewport;
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54 | bool mWasInitialised;
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55 | };
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56 |
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57 | } // namespace Ogre
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58 |
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59 | #endif // PlatformQueryManager
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