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1// Copyright (C) 2007-2012 Dean Wadsworth
2// This file is part of the "Irrlicht Engine".
3// For conditions of distribution and use, see copyright notice in irrlicht.h
4
5#include "CVolumeLightSceneNode.h"
6#include "IVideoDriver.h"
7#include "ISceneManager.h"
8#include "S3DVertex.h"
9#include "os.h"
10
11namespace irr
12{
13namespace scene
14{
15
16//! constructor
17CVolumeLightSceneNode::CVolumeLightSceneNode(ISceneNode* parent, ISceneManager* mgr,
18 s32 id, const u32 subdivU, const u32 subdivV,
19 const video::SColor foot,
20 const video::SColor tail,
21 const core::vector3df& position,
22 const core::vector3df& rotation, const core::vector3df& scale)
23 : IVolumeLightSceneNode(parent, mgr, id, position, rotation, scale),
24 Mesh(0), LPDistance(8.0f),
25 SubdivideU(subdivU), SubdivideV(subdivV),
26 FootColor(foot), TailColor(tail),
27 LightDimensions(core::vector3df(1.0f, 1.2f, 1.0f))
28{
29 #ifdef _DEBUG
30 setDebugName("CVolumeLightSceneNode");
31 #endif
32
33 constructLight();
34}
35
36
37CVolumeLightSceneNode::~CVolumeLightSceneNode()
38{
39 if (Mesh)
40 Mesh->drop();
41}
42
43
44void CVolumeLightSceneNode::constructLight()
45{
46 if (Mesh)
47 Mesh->drop();
48 Mesh = SceneManager->getGeometryCreator()->createVolumeLightMesh(SubdivideU, SubdivideV, FootColor, TailColor, LPDistance, LightDimensions);
49}
50
51
52//! renders the node.
53void CVolumeLightSceneNode::render()
54{
55 if (!Mesh)
56 return;
57
58 video::IVideoDriver* driver = SceneManager->getVideoDriver();
59 driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
60
61 driver->setMaterial(Mesh->getMeshBuffer(0)->getMaterial());
62 driver->drawMeshBuffer(Mesh->getMeshBuffer(0));
63}
64
65
66//! returns the axis aligned bounding box of this node
67const core::aabbox3d<f32>& CVolumeLightSceneNode::getBoundingBox() const
68{
69 return Mesh->getBoundingBox();
70}
71
72
73void CVolumeLightSceneNode::OnRegisterSceneNode()
74{
75 if (IsVisible)
76 {
77 SceneManager->registerNodeForRendering(this, ESNRP_TRANSPARENT);
78 }
79 ISceneNode::OnRegisterSceneNode();
80}
81
82
83//! returns the material based on the zero based index i. To get the amount
84//! of materials used by this scene node, use getMaterialCount().
85//! This function is needed for inserting the node into the scene hirachy on a
86//! optimal position for minimizing renderstate changes, but can also be used
87//! to directly modify the material of a scene node.
88video::SMaterial& CVolumeLightSceneNode::getMaterial(u32 i)
89{
90 return Mesh->getMeshBuffer(i)->getMaterial();
91}
92
93
94//! returns amount of materials used by this scene node.
95u32 CVolumeLightSceneNode::getMaterialCount() const
96{
97 return 1;
98}
99
100
101void CVolumeLightSceneNode::setSubDivideU (const u32 inU)
102{
103 if (inU != SubdivideU)
104 {
105 SubdivideU = inU;
106 constructLight();
107 }
108}
109
110
111void CVolumeLightSceneNode::setSubDivideV (const u32 inV)
112{
113 if (inV != SubdivideV)
114 {
115 SubdivideV = inV;
116 constructLight();
117 }
118}
119
120
121void CVolumeLightSceneNode::setFootColor(const video::SColor inColor)
122{
123 if (inColor != FootColor)
124 {
125 FootColor = inColor;
126 constructLight();
127 }
128}
129
130
131void CVolumeLightSceneNode::setTailColor(const video::SColor inColor)
132{
133 if (inColor != TailColor)
134 {
135 TailColor = inColor;
136 constructLight();
137 }
138}
139
140
141//! Writes attributes of the scene node.
142void CVolumeLightSceneNode::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const
143{
144 ISceneNode::serializeAttributes(out, options);
145
146 out->addFloat("lpDistance", LPDistance);
147 out->addInt("subDivideU", SubdivideU);
148 out->addInt("subDivideV", SubdivideV);
149
150 out->addColor("footColor", FootColor);
151 out->addColor("tailColor", TailColor);
152
153 out->addVector3d("lightDimension", LightDimensions);
154}
155
156
157//! Reads attributes of the scene node.
158void CVolumeLightSceneNode::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
159{
160 LPDistance = in->getAttributeAsFloat("lpDistance");
161 LPDistance = core::max_(LPDistance, 8.0f);
162
163 SubdivideU = in->getAttributeAsInt("subDivideU");
164 SubdivideU = core::max_(SubdivideU, 1u);
165
166 SubdivideV = in->getAttributeAsInt("subDivideV");
167 SubdivideV = core::max_(SubdivideV, 1u);
168
169 FootColor = in->getAttributeAsColor("footColor");
170 TailColor = in->getAttributeAsColor("tailColor");
171
172 LightDimensions = in->getAttributeAsVector3d("lightDimension");
173
174 constructLight();
175
176 ISceneNode::deserializeAttributes(in, options);
177}
178
179
180//! Creates a clone of this scene node and its children.
181ISceneNode* CVolumeLightSceneNode::clone(ISceneNode* newParent, ISceneManager* newManager)
182{
183 if (!newParent)
184 newParent = Parent;
185 if (!newManager)
186 newManager = SceneManager;
187
188 CVolumeLightSceneNode* nb = new CVolumeLightSceneNode(newParent,
189 newManager, ID, SubdivideU, SubdivideV, FootColor, TailColor, RelativeTranslation);
190
191 nb->cloneMembers(this, newManager);
192 nb->getMaterial(0) = Mesh->getMeshBuffer(0)->getMaterial();
193
194 if ( newParent )
195 nb->drop();
196 return nb;
197}
198
199
200} // end namespace scene
201} // end namespace irr
202
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