[3255] | 1 | #pragma once
|
---|
| 2 |
|
---|
| 3 | //disable inheritance warning caused by multiple inheritance
|
---|
| 4 | #if _WIN32
|
---|
| 5 | #if _MSC_VER
|
---|
| 6 | #pragma warning(disable: 4250)
|
---|
| 7 | #endif
|
---|
| 8 | #endif
|
---|
| 9 |
|
---|
| 10 | #include "OgreRenderingRun.h"
|
---|
| 11 | #include "LightVolumeRenderingRun.h"
|
---|
| 12 | #include "OgreSharedRuns.h"
|
---|
| 13 |
|
---|
| 14 |
|
---|
| 15 | /**
|
---|
| 16 | @brief LightVolumeRenderingRun used in an OGRE environment.
|
---|
| 17 | */
|
---|
| 18 | class __declspec( dllexport ) OgreLightVolumeRenderingRun : public OgreRenderingRun,
|
---|
| 19 | public LightVolumeRenderingRun
|
---|
| 20 | {
|
---|
| 21 | public:
|
---|
| 22 |
|
---|
| 23 | /**
|
---|
| 24 | @brief Constructor.
|
---|
| 25 |
|
---|
| 26 | @param sharedRuns a pointer to the OgreSharedRuns this run belongs to
|
---|
| 27 | @param name the name of the light volume texture to be created
|
---|
| 28 | @param startFrame adds an offset to the current frame number to help evenly distribute updates between frames
|
---|
| 29 | @param updateInterval update frequency
|
---|
| 30 | @param resolution light volume texture resolution
|
---|
| 31 | @param materialName the name of the material should be used when rendering the light volume
|
---|
| 32 | */
|
---|
| 33 | OgreLightVolumeRenderingRun(OgreSharedRuns* sharedRuns,
|
---|
| 34 | String name,
|
---|
| 35 | unsigned long startFrame,
|
---|
| 36 | unsigned long updateInterval,
|
---|
| 37 | unsigned int resolution,
|
---|
| 38 | unsigned int textureDepth,
|
---|
| 39 | String materialName);
|
---|
| 40 |
|
---|
| 41 | virtual ~OgreLightVolumeRenderingRun(){}
|
---|
| 42 |
|
---|
| 43 | /**
|
---|
| 44 | @brief returns the name of the resulting light volume texture
|
---|
| 45 | */
|
---|
| 46 | String getLightVolumeTextureName()
|
---|
| 47 | {
|
---|
| 48 | if(textureDepth == 1)
|
---|
| 49 | return lightVolumeTexture2->getName();
|
---|
| 50 | else
|
---|
| 51 | return lightVolumeTexture3D->getName();
|
---|
| 52 | }
|
---|
| 53 | /**
|
---|
| 54 | @brief Refreshes light camera matrices, called in each update.
|
---|
| 55 | */
|
---|
| 56 | void refreshLight();
|
---|
| 57 | /**
|
---|
| 58 | @brief Returns the light matrix used while rendering the light volume.
|
---|
| 59 | */
|
---|
| 60 | Matrix4 getLightViewProjectionMatrix()
|
---|
| 61 | {
|
---|
| 62 | Matrix4 m = lightVolumeCamera->getProjectionMatrixWithRSDepth() * lightVolumeCamera->getViewMatrix();
|
---|
| 63 | Vector4 unitX(1,0,0,1);
|
---|
| 64 | Vector4 unitY(0,1,0,1);
|
---|
| 65 | Vector4 unitZ(0,0,1,1);
|
---|
| 66 | Vector4 tX = m * unitX;
|
---|
| 67 | Vector4 tY = m * unitY;
|
---|
| 68 | Vector4 tZ = m * unitZ;
|
---|
| 69 | return m;
|
---|
| 70 |
|
---|
| 71 | }
|
---|
| 72 |
|
---|
| 73 | void freeAllResources();
|
---|
| 74 |
|
---|
| 75 | protected:
|
---|
| 76 | /**
|
---|
| 77 | @brief the name of the material should be used when rendering the light volume
|
---|
| 78 | */
|
---|
| 79 | String materialName;
|
---|
| 80 | /**
|
---|
| 81 | @brief pointer to the nearest light source to the particle system
|
---|
| 82 | */
|
---|
| 83 | Light* light;
|
---|
| 84 | /**
|
---|
| 85 | @brief pointer to the camera used while rendering the light volume
|
---|
| 86 | */
|
---|
| 87 | Camera* lightVolumeCamera;
|
---|
| 88 | /**
|
---|
| 89 | @brief a pointer to the OgreSharedRuns this run belongs to
|
---|
| 90 | */
|
---|
| 91 | OgreSharedRuns* sharedRuns;
|
---|
| 92 | /**
|
---|
| 93 | @brief the name of the light volume texture that was created by this run
|
---|
| 94 | */
|
---|
| 95 | String name;
|
---|
| 96 |
|
---|
| 97 | Texture* lightVolumeTexture;
|
---|
| 98 | Texture* lightVolumeTexture2;
|
---|
| 99 | Texture* lightVolumeTextureThis;
|
---|
| 100 | Texture* lightVolumeTextureLast;
|
---|
| 101 |
|
---|
| 102 | Texture* lightVolumeTexture3D;
|
---|
| 103 |
|
---|
| 104 | unsigned char* volumeBuffer;
|
---|
| 105 | /**
|
---|
| 106 | @brief the radius of the particle system
|
---|
| 107 | */
|
---|
| 108 | float systemRadius;
|
---|
| 109 | void createVolumeBuffer();
|
---|
| 110 |
|
---|
| 111 | //inherited
|
---|
| 112 | void updateFrame(unsigned long frameNum);
|
---|
| 113 | //inherited
|
---|
| 114 | inline void createLightVolumeMap();
|
---|
| 115 |
|
---|
| 116 | };
|
---|