[1425] | 1 | #pragma once
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| 2 |
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| 3 | //disable inheritance warning caused by multiple inheritance
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| 4 | #if _WIN32
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| 5 | #if _MSC_VER
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| 6 | #pragma warning(disable: 4250)
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| 7 | #endif
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| 8 | #endif
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| 9 |
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| 10 | #include "OgreRenderingRun.h"
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| 11 | #include "LightVolumeRenderingRun.h"
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| 12 | #include "OgreSharedRuns.h"
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| 13 |
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| 14 |
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| 15 | /**
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[2264] | 16 | @brief LightVolumeRenderingRun used in an OGRE environment.
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[1425] | 17 | */
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| 18 | class OgreLightVolumeRenderingRun : public OgreRenderingRun,
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| 19 | public LightVolumeRenderingRun
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| 20 | {
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| 21 | public:
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| 22 |
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| 23 | /**
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| 24 | @brief Constructor.
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| 25 |
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| 26 | @param sharedRuns a pointer to the OgreSharedRuns this run belongs to
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[2264] | 27 | @param name the name of the light volume texture to be created
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[1425] | 28 | @param startFrame adds an offset to the current frame number to help evenly distribute updates between frames
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| 29 | @param updateInterval update frequency
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[2264] | 30 | @param resolution light volume texture resolution
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| 31 | @param materialName the name of the material should be used when rendering the light volume
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[1425] | 32 | */
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| 33 | OgreLightVolumeRenderingRun(OgreSharedRuns* sharedRuns,
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| 34 | String name,
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| 35 | unsigned long startFrame,
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| 36 | unsigned long updateInterval,
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| 37 | unsigned int resolution,
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| 38 | unsigned int textureDepth,
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| 39 | String materialName);
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| 40 | /**
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[2264] | 41 | @brief returns the name of the resulting light volume texture
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[1425] | 42 | */
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| 43 | String getLightVolumeTextureName()
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| 44 | {
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| 45 | if(textureDepth == 1)
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[2041] | 46 | return lightVolumeTexture2->getName();
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[1425] | 47 | else
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| 48 | return lightVolumeTexture3D->getName();
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| 49 | }
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| 50 | /**
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| 51 | @brief Refreshes light camera matrices, called in each update.
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| 52 | */
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| 53 | void refreshLight();
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[2264] | 54 | /**
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| 55 | @brief Returns the light matrix used while rendering the light volume.
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| 56 | */
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[1425] | 57 | Matrix4 getLightViewProjectionMatrix()
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| 58 | {
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| 59 | Matrix4 m = lightVolumeCamera->getProjectionMatrixWithRSDepth() * lightVolumeCamera->getViewMatrix();
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| 60 | Vector4 unitX(1,0,0,1);
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| 61 | Vector4 unitY(0,1,0,1);
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| 62 | Vector4 unitZ(0,0,1,1);
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| 63 | Vector4 tX = m * unitX;
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| 64 | Vector4 tY = m * unitY;
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| 65 | Vector4 tZ = m * unitZ;
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| 66 | return m;
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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 | /**
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[2264] | 72 | @brief the name of the material should be used when rendering the light volume
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[1425] | 73 | */
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| 74 | String materialName;
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| 75 | /**
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[2264] | 76 | @brief pointer to the nearest light source to the particle system
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[1425] | 77 | */
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| 78 | Light* light;
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| 79 | /**
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[2264] | 80 | @brief pointer to the camera used while rendering the light volume
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[1425] | 81 | */
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| 82 | Camera* lightVolumeCamera;
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| 83 | /**
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| 84 | @brief a pointer to the OgreSharedRuns this run belongs to
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| 85 | */
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| 86 | OgreSharedRuns* sharedRuns;
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| 87 | /**
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[2264] | 88 | @brief the name of the light volume texture that was created by this run
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[1425] | 89 | */
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| 90 | String name;
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[2264] | 91 |
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[1425] | 92 | Texture* lightVolumeTexture;
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[1987] | 93 | Texture* lightVolumeTexture2;
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| 94 | Texture* lightVolumeTextureThis;
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| 95 | Texture* lightVolumeTextureLast;
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[2264] | 96 |
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| 97 | Texture* lightVolumeTexture3D;
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| 98 |
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| 99 | unsigned char* volumeBuffer;
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[1425] | 100 | /**
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[2264] | 101 | @brief the radius of the particle system
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[1425] | 102 | */
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| 103 | float systemRadius;
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| 104 | void createVolumeBuffer();
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| 105 |
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| 106 | //inherited
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| 107 | void updateFrame(unsigned long frameNum);
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| 108 | //inherited
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| 109 | inline void createLightVolumeMap();
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| 110 |
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| 111 | };
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