/usr/include/simgear/scene/model/animation.hxx is in libsimgear-dev 3.4.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Written by David Megginson, started 2002.
//
// This file is in the Public Domain, and comes with no warranty.
#ifndef _SG_ANIMATION_HXX
#define _SG_ANIMATION_HXX 1
#ifndef __cplusplus
# error This library requires C++
#endif
#include <osg/ref_ptr>
#include <osg/Group>
#include <osg/Node>
#include <osg/NodeVisitor>
#include <osg/Texture2D>
#include <osgDB/ReaderWriter>
#include <simgear/scene/util/SGNodeMasks.hxx>
#include <simgear/props/props.hxx>
#include <simgear/props/condition.hxx>
#include <simgear/structure/SGExpression.hxx>
// Has anyone done anything *really* stupid, like making min and max macros?
#ifdef min
#undef min
#endif
#ifdef max
#undef max
#endif
SGExpressiond*
read_value(const SGPropertyNode* configNode, SGPropertyNode* modelRoot,
const char* unit, double defMin, double defMax);
SGVec3d readTranslateAxis(const SGPropertyNode* configNode);
/**
* Base class for animation installers
*/
class SGAnimation : protected osg::NodeVisitor {
public:
SGAnimation(const SGPropertyNode* configNode, SGPropertyNode* modelRoot);
virtual ~SGAnimation();
static bool animate(osg::Node* node, const SGPropertyNode* configNode,
SGPropertyNode* modelRoot,
const osgDB::Options* options,
const std::string &path, int i);
protected:
void apply(osg::Node* node);
virtual void install(osg::Node& node);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
virtual void apply(osg::Group& group);
/**
* Read a 3d vector from the configuration property node.
*
* Reads values from @a name/[xyz]@a prefix and defaults to the according
* value of @a def for each value which is not set.
*
* @param name Name of the root node containing all coordinates
* @param suffix Suffix appended to each child node (x,y,z)
* @param def Vector containing default values
*/
SGVec3d readVec3( const SGPropertyNode& cfg,
const std::string& name,
const std::string& suffix = "",
const SGVec3d& def = SGVec3d::zeros() ) const;
SGVec3d readVec3( const std::string& name,
const std::string& suffix = "",
const SGVec3d& def = SGVec3d::zeros() ) const;
void readRotationCenterAndAxis(SGVec3d& center, SGVec3d& axis) const;
SGExpressiond* readOffsetValue(const char* tag_name) const;
void removeMode(osg::Node& node, osg::StateAttribute::GLMode mode);
void removeAttribute(osg::Node& node, osg::StateAttribute::Type type);
void removeTextureMode(osg::Node& node, unsigned unit,
osg::StateAttribute::GLMode mode);
void removeTextureAttribute(osg::Node& node, unsigned unit,
osg::StateAttribute::Type type);
void setRenderBinToInherit(osg::Node& node);
void cloneDrawables(osg::Node& node);
std::string getType() const
{ return std::string(_configNode->getStringValue("type", "")); }
const SGPropertyNode* getConfig() const
{ return _configNode; }
SGPropertyNode* getModelRoot() const
{ return _modelRoot; }
const SGCondition* getCondition() const;
std::list<std::string> _objectNames;
private:
void installInGroup(const std::string& name, osg::Group& group,
osg::ref_ptr<osg::Group>& animationGroup);
class RemoveModeVisitor;
class RemoveAttributeVisitor;
class RemoveTextureModeVisitor;
class RemoveTextureAttributeVisitor;
class BinToInheritVisitor;
class DrawableCloneVisitor;
bool _found;
std::string _name;
SGSharedPtr<SGPropertyNode const> _configNode;
SGPropertyNode* _modelRoot;
std::list<osg::ref_ptr<osg::Node> > _installedAnimations;
bool _enableHOT;
};
//////////////////////////////////////////////////////////////////////
// Null animation installer
//////////////////////////////////////////////////////////////////////
class SGGroupAnimation : public SGAnimation {
public:
SGGroupAnimation(const SGPropertyNode*, SGPropertyNode*);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
};
//////////////////////////////////////////////////////////////////////
// Translate animation installer
//////////////////////////////////////////////////////////////////////
class SGTranslateAnimation : public SGAnimation {
public:
SGTranslateAnimation(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
private:
class UpdateCallback;
SGSharedPtr<const SGCondition> _condition;
SGSharedPtr<const SGExpressiond> _animationValue;
SGVec3d _axis;
double _initialValue;
};
//////////////////////////////////////////////////////////////////////
// Rotate/Spin animation installer
//////////////////////////////////////////////////////////////////////
class SGRotateAnimation : public SGAnimation {
public:
SGRotateAnimation(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
private:
SGSharedPtr<const SGCondition> _condition;
SGSharedPtr<const SGExpressiond> _animationValue;
SGVec3d _axis;
SGVec3d _center;
double _initialValue;
bool _isSpin;
};
//////////////////////////////////////////////////////////////////////
// Scale animation installer
//////////////////////////////////////////////////////////////////////
class SGScaleAnimation : public SGAnimation {
public:
SGScaleAnimation(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
private:
class UpdateCallback;
SGSharedPtr<const SGCondition> _condition;
SGSharedPtr<const SGExpressiond> _animationValue[3];
SGVec3d _initialValue;
SGVec3d _center;
};
//////////////////////////////////////////////////////////////////////
// dist scale animation installer
//////////////////////////////////////////////////////////////////////
class SGDistScaleAnimation : public SGAnimation {
public:
SGDistScaleAnimation(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
class Transform;
};
//////////////////////////////////////////////////////////////////////
// dist scale animation installer
//////////////////////////////////////////////////////////////////////
class SGFlashAnimation : public SGAnimation {
public:
SGFlashAnimation(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
public:
class Transform;
};
//////////////////////////////////////////////////////////////////////
// dist scale animation installer
//////////////////////////////////////////////////////////////////////
class SGBillboardAnimation : public SGAnimation {
public:
SGBillboardAnimation(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
class Transform;
};
//////////////////////////////////////////////////////////////////////
// Range animation installer
//////////////////////////////////////////////////////////////////////
class SGRangeAnimation : public SGAnimation {
public:
SGRangeAnimation(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
private:
class UpdateCallback;
SGSharedPtr<const SGCondition> _condition;
SGSharedPtr<const SGExpressiond> _minAnimationValue;
SGSharedPtr<const SGExpressiond> _maxAnimationValue;
SGVec2d _initialValue;
};
//////////////////////////////////////////////////////////////////////
// Select animation installer
//////////////////////////////////////////////////////////////////////
class SGSelectAnimation : public SGAnimation {
public:
SGSelectAnimation(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
};
//////////////////////////////////////////////////////////////////////
// Alpha test animation installer
//////////////////////////////////////////////////////////////////////
class SGAlphaTestAnimation : public SGAnimation {
public:
SGAlphaTestAnimation(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot);
virtual void install(osg::Node& node);
};
//////////////////////////////////////////////////////////////////////
// Blend animation installer
//////////////////////////////////////////////////////////////////////
class SGBlendAnimation : public SGAnimation {
public:
SGBlendAnimation(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
virtual void install(osg::Node& node);
private:
class BlendVisitor;
class UpdateCallback;
SGSharedPtr<SGExpressiond> _animationValue;
};
//////////////////////////////////////////////////////////////////////
// Timed animation installer
//////////////////////////////////////////////////////////////////////
class SGTimedAnimation : public SGAnimation {
public:
SGTimedAnimation(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
private:
class UpdateCallback;
};
//////////////////////////////////////////////////////////////////////
// Shadow animation installer
//////////////////////////////////////////////////////////////////////
class SGShadowAnimation : public SGAnimation {
public:
SGShadowAnimation(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
private:
class UpdateCallback;
};
//////////////////////////////////////////////////////////////////////
// TextureTransform animation
//////////////////////////////////////////////////////////////////////
class SGTexTransformAnimation : public SGAnimation {
public:
SGTexTransformAnimation(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
private:
class Transform;
class Translation;
class Rotation;
class Trapezoid;
class UpdateCallback;
SGExpressiond* readValue( const SGPropertyNode& cfg,
const std::string& suffix = "" );
void appendTexTranslate( const SGPropertyNode& cfg,
UpdateCallback* updateCallback);
void appendTexRotate( const SGPropertyNode& cfg,
UpdateCallback* updateCallback);
void appendTexTrapezoid( const SGPropertyNode& cfg,
UpdateCallback* updateCallback);
};
//////////////////////////////////////////////////////////////////////
// Shader animation
//////////////////////////////////////////////////////////////////////
class SGShaderAnimation : public SGAnimation {
public:
SGShaderAnimation(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot,
const osgDB::Options* options);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
private:
class UpdateCallback;
osg::ref_ptr<osg::Texture2D> _effect_texture;
};
//////////////////////////////////////////////////////////////////////
// Light animation
//////////////////////////////////////////////////////////////////////
class SGLightAnimation : public SGAnimation {
public:
SGLightAnimation(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot,
const osgDB::Options* options,
const std::string &path, int i);
virtual osg::Group* createAnimationGroup(osg::Group& parent);
virtual void install(osg::Node& node);
private:
std::string _light_type;
SGVec3d _position;
SGVec3d _direction;
SGVec4d _ambient;
SGVec4d _diffuse;
SGVec4d _specular;
SGVec3d _attenuation;
double _exponent;
double _cutoff;
double _near;
double _far;
std::string _key;
class UpdateCallback;
friend class UpdateCallback;
SGSharedPtr<SGExpressiond> _animationValue;
osg::ref_ptr<const osgDB::Options> _options;
};
#endif // _SG_ANIMATION_HXX
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