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Diffstat (limited to 'libraries/irrlicht-1.8/source/Irrlicht/CShadowVolumeSceneNode.h')
-rw-r--r-- | libraries/irrlicht-1.8/source/Irrlicht/CShadowVolumeSceneNode.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/CShadowVolumeSceneNode.h b/libraries/irrlicht-1.8/source/Irrlicht/CShadowVolumeSceneNode.h new file mode 100644 index 0000000..c66b8f9 --- /dev/null +++ b/libraries/irrlicht-1.8/source/Irrlicht/CShadowVolumeSceneNode.h | |||
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1 | // Copyright (C) 2002-2012 Nikolaus Gebhardt | ||
2 | // This file is part of the "Irrlicht Engine". | ||
3 | // For conditions of distribution and use, see copyright notice in irrlicht.h | ||
4 | |||
5 | #ifndef __C_SHADOW_VOLUME_SCENE_NODE_H_INCLUDED__ | ||
6 | #define __C_SHADOW_VOLUME_SCENE_NODE_H_INCLUDED__ | ||
7 | |||
8 | #include "IShadowVolumeSceneNode.h" | ||
9 | |||
10 | namespace irr | ||
11 | { | ||
12 | namespace scene | ||
13 | { | ||
14 | |||
15 | //! Scene node for rendering a shadow volume into a stencil buffer. | ||
16 | class CShadowVolumeSceneNode : public IShadowVolumeSceneNode | ||
17 | { | ||
18 | public: | ||
19 | |||
20 | //! constructor | ||
21 | CShadowVolumeSceneNode(const IMesh* shadowMesh, ISceneNode* parent, ISceneManager* mgr, | ||
22 | s32 id, bool zfailmethod=true, f32 infinity=10000.0f); | ||
23 | |||
24 | //! destructor | ||
25 | virtual ~CShadowVolumeSceneNode(); | ||
26 | |||
27 | //! Sets the mesh from which the shadow volume should be generated. | ||
28 | /** To optimize shadow rendering, use a simpler mesh for shadows. | ||
29 | */ | ||
30 | virtual void setShadowMesh(const IMesh* mesh); | ||
31 | |||
32 | //! Updates the shadow volumes for current light positions. | ||
33 | /** Called each render cycle from Animated Mesh SceneNode render method. */ | ||
34 | virtual void updateShadowVolumes(); | ||
35 | |||
36 | //! pre render method | ||
37 | virtual void OnRegisterSceneNode(); | ||
38 | |||
39 | //! renders the node. | ||
40 | virtual void render(); | ||
41 | |||
42 | //! returns the axis aligned bounding box of this node | ||
43 | virtual const core::aabbox3d<f32>& getBoundingBox() const; | ||
44 | |||
45 | //! Returns type of the scene node | ||
46 | virtual ESCENE_NODE_TYPE getType() const { return ESNT_SHADOW_VOLUME; } | ||
47 | |||
48 | private: | ||
49 | |||
50 | typedef core::array<core::vector3df> SShadowVolume; | ||
51 | |||
52 | void createShadowVolume(const core::vector3df& pos, bool isDirectional=false); | ||
53 | u32 createEdgesAndCaps(const core::vector3df& light, SShadowVolume* svp, core::aabbox3d<f32>* bb); | ||
54 | |||
55 | //! Generates adjacency information based on mesh indices. | ||
56 | void calculateAdjacency(); | ||
57 | |||
58 | core::aabbox3d<f32> Box; | ||
59 | |||
60 | // a shadow volume for every light | ||
61 | core::array<SShadowVolume> ShadowVolumes; | ||
62 | |||
63 | // a back cap bounding box for every light | ||
64 | core::array<core::aabbox3d<f32> > ShadowBBox; | ||
65 | |||
66 | core::array<core::vector3df> Vertices; | ||
67 | core::array<u16> Indices; | ||
68 | core::array<u16> Adjacency; | ||
69 | core::array<u16> Edges; | ||
70 | // tells if face is front facing | ||
71 | core::array<bool> FaceData; | ||
72 | |||
73 | const scene::IMesh* ShadowMesh; | ||
74 | |||
75 | u32 IndexCount; | ||
76 | u32 VertexCount; | ||
77 | u32 ShadowVolumesUsed; | ||
78 | |||
79 | f32 Infinity; | ||
80 | |||
81 | bool UseZFailMethod; | ||
82 | }; | ||
83 | |||
84 | } // end namespace scene | ||
85 | } // end namespace irr | ||
86 | |||
87 | #endif | ||