Developer Documentation
ACG::SceneGraph::LightNode Class Reference

#include <ACG/Scenegraph/LightNode.hh>

Inheritance diagram for ACG::SceneGraph::LightNode:
ACG::SceneGraph::ACG::SceneGraph::BaseNode

Public Member Functions

 LightNode (BaseNode *_parent=0, const std::string &_name="<LightNode>")
 Default constructor. Applies all properties.
 
virtual ~LightNode ()
 Destructor.
 
void setLightSource (LightSource _light)
 Set the light source parameters.
 
void getLightSource (LightSource *_light) const
 Get the light source parameters.
 
void getLightSourceViewSpace (LightSource *_light) const
 
 ACG_CLASSNAME (LightNode)
 
void boundingBox (ACG::Vec3d &, ACG::Vec3d &)
 Get bounding box (for visualization purposes)
 
void enter (GLState &_state, const DrawModes::DrawMode &_drawmode)
 set current Light Sources More...
 
void leave (GLState &_state, const DrawModes::DrawMode &_drawmode)
 restores original Light Sources
 
void draw (GLState &_state, const DrawModes::DrawMode &_drawMode)
 Draw light source node.
 
void pick (GLState &_state, PickTarget _target)
 Picking.
 
bool visualize ()
 Should node be visualized?
 
void visualize (bool _visualize)
 Set whether node should be visualized.
 
void getRenderObjects (IRenderer *_renderer, GLState &_state, const DrawModes::DrawMode &_drawMode, const Material *_mat)
 Add this light to shader render interface.
 
- Public Member Functions inherited from ACG::SceneGraph::ACG::SceneGraph::BaseNode
 BaseNode (BaseNode *_parent=0, std::string _name="<unknown>")
 Default constructor.
 
 BaseNode (BaseNode *_parent, BaseNode *_child, std::string _name="<unknown>")
 Put this node between _parent and _child.
 
virtual ~BaseNode ()
 Destructor.
 
void delete_subtree ()
 Delete the whole subtree of this node. More...
 
virtual const std::string & className () const =0
 Return class name (implemented by the ACG_CLASSNAME macro)
 
virtual DrawModes::DrawMode availableDrawModes () const
 
virtual void enter (GLState &, const DrawModes::DrawMode &)
 
virtual void enter (IRenderer *, GLState &_state, const DrawModes::DrawMode &_drawMode)
 
virtual void draw (GLState &, const DrawModes::DrawMode &)
 Draw this node using the draw modes _drawMode. More...
 
virtual void getRenderObjects (IRenderer *_renderer, GLState &_state, const DrawModes::DrawMode &_drawMode, const Material *_mat)
 Deferred draw call with shader based renderer. More...
 
virtual void leave (GLState &, const DrawModes::DrawMode &)
 
virtual void leave (IRenderer *, GLState &_state, const DrawModes::DrawMode &_drawMode)
 
virtual void enterPick (GLState &_state, PickTarget _target, const DrawModes::DrawMode &_drawMode)
 
virtual void pick (GLState &, PickTarget)
 
virtual void leavePick (GLState &_state, PickTarget _target, const DrawModes::DrawMode &_drawMode)
 
void enablePicking (bool _enable)
 
bool pickingEnabled ()
 
virtual void mouseEvent (GLState &, QMouseEvent *)
 Handle mouse event (some interaction, e.g. modeling)
 
void setDirty (bool _dirty=true)
 mark node for redrawn
 
bool isDirty () const
 Check if node should be redrawn.
 
ChildIter childrenBegin ()
 Returns: begin-iterator of children.
 
ConstChildIter childrenBegin () const
 Same but cont.
 
ChildIter childrenEnd ()
 Returns: end-iterator of children.
 
ConstChildIter childrenEnd () const
 Same but const.
 
ChildRIter childrenRBegin ()
 Returns: reverse begin-iterator of children.
 
ConstChildRIter childrenRBegin () const
 Same but const.
 
ChildRIter childrenREnd ()
 Returns: reverse end-iterator of children.
 
ConstChildRIter childrenREnd () const
 Same but const.
 
void push_back (BaseNode *_node)
 Insert _node at the end of the list of children.
 
void remove (ChildIter _pos)
 
size_t nChildren () const
 number of children
 
ChildIter find (BaseNode *_node)
 
BaseNodefind (const std::string &_name)
 
BaseNodeparent ()
 Get the nodes parent node.
 
const BaseNodeparent () const
 Get the nodes parent node.
 
void set_parent (BaseNode *_parent)
 Set the parent of this node. More...
 
StatusMode status () const
 Get node's status.
 
void set_status (StatusMode _s)
 Set the status of this node.
 
void hide ()
 Hide Node: set status to HideNode.
 
void show ()
 Show node: set status to Active.
 
bool visible ()
 Is node visible (status == Active)?
 
bool hidden ()
 Is node not visible (status != Active)?
 
std::string name () const
 Returns: name of node (needs not be unique)
 
void name (const std::string &_name)
 rename a node
 
unsigned int id () const
 
DrawModes::DrawMode drawMode () const
 Return the own draw modes of this node.
 
void drawMode (DrawModes::DrawMode _drawMode)
 
unsigned int traverseMode () const
 Return how the node should be traversed.
 
void setTraverseMode (unsigned int _mode)
 Set traverse mode for node.
 
MultipassBitMask multipassStatus () const
 Get the current multipass settings for the nodes status functions. More...
 
void setMultipassStatus (const MultipassBitMask _passStatus)
 Set multipass settings for the nodes status functions. More...
 
void multipassStatusSetActive (const unsigned int _i, bool _active)
 Set multipass status to traverse in a specific pass. More...
 
bool multipassStatusActive (const unsigned int _i) const
 Get multipass status to traverse in a specific pass. More...
 
MultipassBitMask multipassNode () const
 Get the current multipass settings for the node. More...
 
void setMultipassNode (const MultipassBitMask _passNode)
 Set multipass settings for the node. More...
 
void multipassNodeSetActive (const unsigned int _i, bool _active)
 Set Node status to traverse in a specific pass. More...
 
bool multipassNodeActive (const unsigned int _i) const
 Get Node status to traverse in a specific pass. More...
 
void setRenderObjectShaders (const std::string &_vertexShaderFile, const std::string &_geometryShaderFile, const std::string &_fragmentShaderFile, bool _relativePaths=true, DrawModes::DrawModePrimitive _primitiveType=DrawModes::PRIMITIVE_POLYGON)
 Set custom shaders. More...
 
void setRenderObjectShaders (const std::string &_vertexShaderFile, const std::string &_tessControlShaderFile, const std::string &_tessEvalShaderFile, const std::string &_geometryShaderFile, const std::string &_fragmentShaderFile, bool _relativePaths=true, DrawModes::DrawModePrimitive _primitiveType=DrawModes::PRIMITIVE_POLYGON)
 Set custom shaders. More...
 
void setRenderObjectUniformPool (const GLSL::UniformPool *_pool)
 Set uniforms for shader based rendering. More...
 
const GLSL::UniformPoolgetRenderObjectUniformPool ()
 Get uniforms for shader based rendering. More...
 
void setRenderObjectTexture (int _samplerSlot, GLuint _texId, GLenum _texType=GL_TEXTURE_2D)
 Set textures for shader based rendering. More...
 
void setRenderObjectModifier (RenderObjectModifier *_modifier)
 Set modifier for render objects. More...
 
RenderObjectModifiergetRenderObjectModifier ()
 Get render-object modifier. More...
 
void applyRenderObjectSettings (DrawModes::DrawModePrimitive _primitive, RenderObject *_obj) const
 Set shaders, textures and uniforms as provided by user to a render-object. More...
 

Private Member Functions

void setParameters (GLState &_state, GLenum _index, LightSource &_light)
 set _light Options in OpenGL for GL_LIGHT::_index
 
void getParameters (GLState &_state, GLenum _index, LightSource &_light)
 get _light Options in OpenGL for GL_LIGHT::_index
 

Private Attributes

LightSource light_
 store LightSources of this node
 
LightSource transformedLight_
 pretransformed light position and direction in view space
 
LightSource lightSave_
 save old LightSources
 
bool visualize_
 Indicates whether light node should be visualized or not.
 
GLenum lightId_
 Internal light id.
 
ACG::GLConecone_
 
ACG::GLSpheresphere_
 

Additional Inherited Members

- Public Types inherited from ACG::SceneGraph::ACG::SceneGraph::BaseNode
enum  StatusMode { Active = 0x1, HideNode = 0x2, HideChildren = 0x4, HideSubtree = 0x8 }
 Status modi. More...
 
enum  TraverseMode { NodeFirst = 0x1, ChildrenFirst = 0x2, SecondPass = 0x4 }
 Node traverse types. More...
 
typedef std::vector< BaseNode * >::const_iterator ConstChildIter
 allows to iterate over children
 
typedef std::vector< BaseNode * >::iterator ChildIter
 allows to iterate over children
 
typedef std::vector< BaseNode * >::const_reverse_iterator ConstChildRIter
 allows to reverse iterate over children
 
typedef std::vector< BaseNode * >::reverse_iterator ChildRIter
 allows to reverse iterate over children
 
enum  PASSES {
  NOPASS = 0, ALLPASSES = 1 << 0, PASS_1 = 1 << 1, PASS_2 = 1 << 2,
  PASS_3 = 1 << 3, PASS_4 = 1 << 4, PASS_5 = 1 << 5, PASS_6 = 1 << 6,
  PASS_7 = 1 << 7, PASS_8 = 1 << 8
}
 This enum should be used to enable rendering of a node in different.
 
typedef unsigned int MultipassBitMask
 Multipass pass bit mask type.
 

Detailed Description

Set LightSources (0 to 7) for this node and all its children. All changes will be done in the enter() method undone in the leave() method.

Definition at line 249 of file LightNode.hh.

Member Function Documentation

◆ enter()

void ACG::SceneGraph::LightNode::enter ( GLState _state,
const DrawModes::DrawMode _drawmode 
)

set current Light Sources

transfer GL-preferences to lightSave_

Definition at line 502 of file LightNode.cc.

◆ getLightSourceViewSpace()

void ACG::SceneGraph::LightNode::getLightSourceViewSpace ( LightSource _light) const

Get transformed light source parameters where position and direction are in view space

Definition at line 260 of file LightNode.cc.


The documentation for this class was generated from the following files: