Updates to osgFX, from Marco Jez, to map Effect across to being derived
from osg::Group rather than from osg::Node.
This commit is contained in:
parent
5c3c0ed17c
commit
584f805327
@ -180,7 +180,8 @@ protected:
|
||||
root_->removeChild(0, root_->getNumChildren());
|
||||
osg::ref_ptr<osgFX::Effect> effect = effects_[selected_fx_].get();
|
||||
effect->setEnabled(fxen_);
|
||||
effect->setChild(scene_.get());
|
||||
effect->removeChild(0, effect->getNumChildren());
|
||||
effect->addChild(scene_.get());
|
||||
effect->setUpDemo();
|
||||
root_->addChild(effect.get());
|
||||
}
|
||||
|
@ -25,11 +25,11 @@ namespace osgFX
|
||||
{
|
||||
|
||||
/**
|
||||
This effect makes surfaces appear bumpy. The child node must use two textures,
|
||||
This effect makes surfaces appear bumpy. Children nodes must use two textures,
|
||||
one for diffuse color and one for the normal map (which can be created
|
||||
from a height map with tools like nVIDIA's normal map generator). Furthermore,
|
||||
tangent-space basis vectors must be created and assigned to each Geometry; this
|
||||
can be done quickly by calling BumpMapping::prepareChild(). Note that both
|
||||
can be done quickly by calling BumpMapping::prepareChildren(). Note that both
|
||||
diffuse and normal map textures must have corresponding UV maps defined in
|
||||
Geometry objects.
|
||||
This effect defines a preferred technique which uses ARB vertex & fragment
|
||||
@ -46,11 +46,11 @@ namespace osgFX
|
||||
|
||||
"Bump Mapping",
|
||||
|
||||
"This effect makes surfaces appear bumpy. The child node must use two textures, "
|
||||
"This effect makes surfaces appear bumpy. Children nodes must use two textures, "
|
||||
"one for diffuse color and one for the normal map (which can be created "
|
||||
"from a height map with tools like nVIDIA's normal map generator). Furthermore, "
|
||||
"tangent-space basis vectors must be created and assigned to each Geometry; this "
|
||||
"can be done quickly by calling BumpMapping::prepareChild(). Note that both "
|
||||
"can be done quickly by calling BumpMapping::prepareChildren(). Note that both "
|
||||
"diffuse and normal map textures must have corresponding UV maps defined in "
|
||||
"Geometry objects.\n"
|
||||
"This effect defines a preferred technique which uses ARB vertex & fragment "
|
||||
@ -79,22 +79,22 @@ namespace osgFX
|
||||
/** set the texture unit that contains normal map texture. Default is 0 */
|
||||
inline void setNormalMapTextureUnit(int n);
|
||||
|
||||
/** get the diffuse color texture that overrides the child's texture */
|
||||
/** get the diffuse color texture that overrides children's texture */
|
||||
inline osg::Texture2D *getOverrideDiffuseTexture();
|
||||
|
||||
/** get the const diffuse color texture that overrides the child's texture */
|
||||
/** get the const diffuse color texture that overrides children's texture */
|
||||
inline const osg::Texture2D *getOverrideDiffuseTexture() const;
|
||||
|
||||
/** set the diffuse color texture that overrides the child's texture */
|
||||
/** set the diffuse color texture that overrides children's texture */
|
||||
inline void setOverrideDiffuseTexture(osg::Texture2D *texture);
|
||||
|
||||
/** get the normal map texture that overrides the child's texture */
|
||||
/** get the normal map texture that overrides children's texture */
|
||||
inline osg::Texture2D *getOverrideNormalMapTexture();
|
||||
|
||||
/** get the const normal map texture that overrides the child's texture */
|
||||
/** get the const normal map texture that overrides children's texture */
|
||||
inline const osg::Texture2D *getOverrideNormalMapTexture() const;
|
||||
|
||||
/** set the normal map texture that overrides the child's texture */
|
||||
/** set the normal map texture that overrides children's texture */
|
||||
inline void setOverrideNormalMapTexture(osg::Texture2D *texture);
|
||||
|
||||
/**
|
||||
@ -106,8 +106,8 @@ namespace osgFX
|
||||
/** prepare a Node for bump lighting, calling prepareGeometry() for each Geometry */
|
||||
void prepareNode(osg::Node *node);
|
||||
|
||||
/** prepare the current child for bump lighting. Actually calls prepareNode(getChild()) */
|
||||
void prepareChild();
|
||||
/** prepare children for bump lighting. Actually calls prepareNode() for each child */
|
||||
void prepareChildren();
|
||||
|
||||
/** set up a demo environment with predefined diffuse and normal maps, as well as texture coordinates */
|
||||
void setUpDemo();
|
||||
|
@ -52,10 +52,9 @@ namespace osgFX
|
||||
selected either manually, with selectTechnique(), or automatically, in which
|
||||
case the first technique that is supported by all active rendering contexts
|
||||
is chosen.
|
||||
If you are an Effect user, then simply use it as a single-child group.
|
||||
Create an instance of your desired effect, add it to your scene graph (it
|
||||
is a Node) and call its setChild() method to set its child node as you
|
||||
would do with a Group.
|
||||
If you are an Effect user, then simply use it as a node group. Create an
|
||||
instance of your desired effect, add it to your scene graph and call its
|
||||
addChild() method to add a child node as you would do with a Group.
|
||||
If you are an Effect developer, you will have to implement the method
|
||||
define_techniques() to define the different techniques that can be used
|
||||
for obtaining the desired effect. In define_techniques() you will usually
|
||||
@ -64,7 +63,7 @@ namespace osgFX
|
||||
techniques added first will have higher priority and will be used first as
|
||||
soon as all rendering contexts support it.
|
||||
*/
|
||||
class OSGFX_EXPORT Effect: public osg::Node {
|
||||
class OSGFX_EXPORT Effect: public osg::Group {
|
||||
public:
|
||||
Effect();
|
||||
Effect(const Effect ©, const osg::CopyOp ©op = osg::CopyOp::SHALLOW_COPY);
|
||||
@ -95,15 +94,6 @@ namespace osgFX
|
||||
*/
|
||||
inline virtual void setUpDemo() {}
|
||||
|
||||
/** get the const child node */
|
||||
inline const osg::Node *getChild() const;
|
||||
|
||||
/** get the child node */
|
||||
inline osg::Node *getChild();
|
||||
|
||||
/** set the child node */
|
||||
inline void setChild(osg::Node *child);
|
||||
|
||||
/** get the number of techniques defined for this effect */
|
||||
inline int getNumTechniques() const;
|
||||
|
||||
@ -123,13 +113,15 @@ namespace osgFX
|
||||
/** select a technique or enable automatic detection */
|
||||
inline void selectTechnique(int i = AUTO_DETECT);
|
||||
|
||||
/** custom traversal */
|
||||
virtual void traverse(osg::NodeVisitor &nv);
|
||||
|
||||
protected:
|
||||
virtual ~Effect() {}
|
||||
Effect &operator=(const Effect &) { return *this; }
|
||||
/** default traversal */
|
||||
inline void inherited_traverse(osg::NodeVisitor &nv);
|
||||
|
||||
virtual bool computeBound() const;
|
||||
protected:
|
||||
virtual ~Effect();
|
||||
Effect &operator=(const Effect &) { return *this; }
|
||||
|
||||
/** force rebuilding of techniques on next traversal */
|
||||
inline void dirtyTechniques();
|
||||
@ -157,11 +149,11 @@ namespace osgFX
|
||||
|
||||
// use int instead of bool to avoid errors
|
||||
mutable osg::buffered_value<int> tech_selected_;
|
||||
|
||||
int global_sel_tech_;
|
||||
|
||||
bool techs_defined_;
|
||||
|
||||
osg::ref_ptr<osg::Node> child_;
|
||||
osg::ref_ptr<osg::Geode> dummy_for_validation_;
|
||||
|
||||
void build_dummy_node();
|
||||
@ -179,33 +171,6 @@ namespace osgFX
|
||||
enabled_ = v;
|
||||
}
|
||||
|
||||
inline const osg::Node *Effect::getChild() const
|
||||
{
|
||||
return child_.get();
|
||||
}
|
||||
|
||||
inline osg::Node *Effect::getChild()
|
||||
{
|
||||
return child_.get();
|
||||
}
|
||||
|
||||
inline void Effect::setChild(osg::Node *child)
|
||||
{
|
||||
child_ = child;
|
||||
setNumChildrenRequiringUpdateTraversal(0);
|
||||
setNumChildrenWithCullingDisabled(0);
|
||||
setNumChildrenWithOccluderNodes(0);
|
||||
if (child) {
|
||||
if (child->getNumChildrenRequiringUpdateTraversal() > 0 || child->getUpdateCallback())
|
||||
setNumChildrenRequiringUpdateTraversal(1);
|
||||
if (child->getNumChildrenWithCullingDisabled() > 0 || !child->getCullingActive())
|
||||
setNumChildrenWithCullingDisabled(1);
|
||||
if (child->getNumChildrenWithOccluderNodes() > 0 || dynamic_cast<osg::OccluderNode *>(child))
|
||||
setNumChildrenWithOccluderNodes(1);
|
||||
}
|
||||
dirtyBound();
|
||||
}
|
||||
|
||||
inline int Effect::getNumTechniques() const
|
||||
{
|
||||
return static_cast<int>(techs_.size());
|
||||
@ -241,6 +206,12 @@ namespace osgFX
|
||||
techs_defined_ = false;
|
||||
}
|
||||
|
||||
inline void Effect::inherited_traverse(osg::NodeVisitor &nv)
|
||||
{
|
||||
typedef osg::Group inherited;
|
||||
inherited::traverse(nv);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
|
@ -37,6 +37,8 @@
|
||||
namespace osgFX
|
||||
{
|
||||
|
||||
class Effect;
|
||||
|
||||
/**
|
||||
This is the base class for effect techniques. A technique represents one
|
||||
of the possible ways to implement a special effect. This base class is
|
||||
@ -79,12 +81,6 @@ namespace osgFX
|
||||
/** get the number of rendering passes defined in this technique */
|
||||
inline int getNumPasses() const;
|
||||
|
||||
/** get the Group object associated to the i-th pass */
|
||||
inline osg::Group *getPassGroup(int i);
|
||||
|
||||
/** get the const Group object associated to the i-th pass */
|
||||
inline const osg::Group *getPassGroup(int i) const;
|
||||
|
||||
/** get the StateSet object associated to the i-th pass */
|
||||
inline osg::StateSet *getPassStateSet(int i);
|
||||
|
||||
@ -92,10 +88,12 @@ namespace osgFX
|
||||
inline const osg::StateSet *getPassStateSet(int i) const;
|
||||
|
||||
/**
|
||||
traverses the child nodes with multipass if necessary.
|
||||
traverse children with multipass if necessary. By default this method
|
||||
simply calls the protected method traverse_implementation(); you can
|
||||
override it to change the default behavior.
|
||||
Don't call this method directly as it is called by osgFX::Effect
|
||||
*/
|
||||
virtual void accept(osg::NodeVisitor &nv, osg::Node *child);
|
||||
inline virtual void traverse(osg::NodeVisitor &nv, Effect *fx);
|
||||
|
||||
protected:
|
||||
Technique(const Technique &): osg::Referenced() {} // copying is nonsense ;)
|
||||
@ -105,28 +103,11 @@ namespace osgFX
|
||||
/** force rebuilding of pass nodes on next traversal */
|
||||
inline void dirtyPasses();
|
||||
|
||||
/** optional: return a node that overrides the child node on a specified pass */
|
||||
inline virtual osg::Node *getOverrideChild(int) { return 0; }
|
||||
|
||||
/** create a new pass node, add it to the technique and associate a StateSet */
|
||||
void addPass(osg::StateSet *ss = 0);
|
||||
|
||||
/**
|
||||
add a new pass to the technique specifying an user-defined pass node.
|
||||
You should call this version of addPass() only when you need to gain direct
|
||||
control over the pass node (i.e. for setting up a cull callback); otherwise
|
||||
please use addPass(StateSet*) and let the class create the pass node for you.
|
||||
*/
|
||||
void addPass(osg::Group *pass);
|
||||
|
||||
/**
|
||||
get the control node which holds the user's subgraph.
|
||||
You may want to do something on it like applying a cull callback.
|
||||
*/
|
||||
inline osg::Group *getControlNode();
|
||||
|
||||
/** get the const control node which holds the user's subgraph */
|
||||
inline const osg::Group *getControlNode() const;
|
||||
/** optional: return a node that overrides the child node on a specified pass */
|
||||
inline virtual osg::Node *getOverrideChild(int) { return 0; }
|
||||
|
||||
/**
|
||||
define the rendering passes that make up this technique. You must
|
||||
@ -134,53 +115,42 @@ namespace osgFX
|
||||
*/
|
||||
virtual void define_passes() = 0;
|
||||
|
||||
private:
|
||||
bool passes_defined_;
|
||||
/**
|
||||
traverse children with multipass if necessary. Don't call this method
|
||||
directly unless you are in a customized version of traverse().
|
||||
*/
|
||||
void traverse_implementation(osg::NodeVisitor &nv, Effect *fx);
|
||||
|
||||
osg::ref_ptr<osg::Group> control_node_;
|
||||
osg::ref_ptr<osg::Node> prev_child_;
|
||||
private:
|
||||
typedef std::vector<osg::ref_ptr<osg::StateSet> > Pass_list;
|
||||
Pass_list passes_;
|
||||
};
|
||||
|
||||
// INLINE METHODS
|
||||
|
||||
inline int Technique::getNumPasses() const
|
||||
{
|
||||
return static_cast<int>(control_node_->getNumChildren());
|
||||
}
|
||||
|
||||
inline osg::Group *Technique::getPassGroup(int i)
|
||||
{
|
||||
return static_cast<osg::Group *>(control_node_->getChild(i));
|
||||
}
|
||||
|
||||
inline const osg::Group *Technique::getPassGroup(int i) const
|
||||
{
|
||||
return static_cast<const osg::Group *>(control_node_->getChild(i));
|
||||
return static_cast<int>(passes_.size());
|
||||
}
|
||||
|
||||
inline osg::StateSet *Technique::getPassStateSet(int i)
|
||||
{
|
||||
return control_node_->getChild(i)->getStateSet();
|
||||
return passes_[i].get();
|
||||
}
|
||||
|
||||
inline const osg::StateSet *Technique::getPassStateSet(int i) const
|
||||
{
|
||||
return control_node_->getChild(i)->getStateSet();
|
||||
}
|
||||
|
||||
inline osg::Group *Technique::getControlNode()
|
||||
{
|
||||
return control_node_.get();
|
||||
}
|
||||
|
||||
inline const osg::Group *Technique::getControlNode() const
|
||||
{
|
||||
return control_node_.get();
|
||||
return passes_[i].get();
|
||||
}
|
||||
|
||||
inline void Technique::dirtyPasses()
|
||||
{
|
||||
passes_defined_ = false;
|
||||
passes_.clear();
|
||||
}
|
||||
|
||||
inline void Technique::traverse(osg::NodeVisitor &nv, Effect *fx)
|
||||
{
|
||||
traverse_implementation(nv, fx);
|
||||
}
|
||||
|
||||
}
|
||||
|
@ -34,22 +34,28 @@ namespace osgFX
|
||||
*/
|
||||
class OSGFX_EXPORT Validator: public osg::StateAttribute {
|
||||
public:
|
||||
enum {
|
||||
VALIDATOR = 0x56616C69
|
||||
};
|
||||
|
||||
Validator();
|
||||
Validator(Effect *effect);
|
||||
Validator(const Validator ©, const osg::CopyOp ©op = osg::CopyOp::SHALLOW_COPY);
|
||||
|
||||
META_StateAttribute(osgFX, Validator, 0x56616C69);
|
||||
META_StateAttribute(osgFX, Validator, VALIDATOR);
|
||||
|
||||
void apply(osg::State &state) const;
|
||||
|
||||
inline int compare(const osg::StateAttribute &sa) const;
|
||||
|
||||
inline void disable() { effect_ = 0; }
|
||||
|
||||
protected:
|
||||
virtual ~Validator() {}
|
||||
Validator &operator=(const Validator &) { return *this; }
|
||||
|
||||
private:
|
||||
mutable osg::ref_ptr<Effect> effect_;
|
||||
mutable Effect *effect_;
|
||||
};
|
||||
|
||||
// INLINE METHODS
|
||||
@ -59,8 +65,8 @@ namespace osgFX
|
||||
const Validator *v = dynamic_cast<const Validator *>(&sa);
|
||||
if (!v) return -1;
|
||||
|
||||
if (effect_.get() < v->effect_.get()) return -1;
|
||||
if (effect_.get() > v->effect_.get()) return 1;
|
||||
if (effect_ < v->effect_) return -1;
|
||||
if (effect_ > v->effect_) return 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
@ -599,22 +599,23 @@ void BumpMapping::prepareNode(osg::Node *node)
|
||||
node->accept(tv);
|
||||
}
|
||||
|
||||
void BumpMapping::prepareChild()
|
||||
void BumpMapping::prepareChildren()
|
||||
{
|
||||
if (getChild())
|
||||
prepareNode(getChild());
|
||||
for (unsigned i=0; i<getNumChildren(); ++i)
|
||||
prepareNode(getChild(i));
|
||||
}
|
||||
|
||||
void BumpMapping::setUpDemo()
|
||||
{
|
||||
// generate texture coordinates
|
||||
TexCoordGenerator tcg(diffuseunit_, normalunit_);
|
||||
getChild()->accept(tcg);
|
||||
for (unsigned i=0; i<getNumChildren(); ++i)
|
||||
getChild(i)->accept(tcg);
|
||||
|
||||
// set up diffuse texture
|
||||
if (!diffuse_tex_.valid()) {
|
||||
diffuse_tex_ = new osg::Texture2D;
|
||||
diffuse_tex_->setImage(osgDB::readImageFile("whitemetal_diffuse.jpg"));
|
||||
diffuse_tex_->setImage(osgDB::readImageFile("Images/whitemetal_diffuse.jpg"));
|
||||
diffuse_tex_->setFilter(osg::Texture::MIN_FILTER, osg::Texture::LINEAR_MIPMAP_LINEAR);
|
||||
diffuse_tex_->setFilter(osg::Texture::MAG_FILTER, osg::Texture::LINEAR);
|
||||
diffuse_tex_->setWrap(osg::Texture::WRAP_S, osg::Texture::REPEAT);
|
||||
@ -625,7 +626,7 @@ void BumpMapping::setUpDemo()
|
||||
// set up normal map texture
|
||||
if (!normal_tex_.valid()) {
|
||||
normal_tex_ = new osg::Texture2D;
|
||||
normal_tex_->setImage(osgDB::readImageFile("whitemetal_normal.jpg"));
|
||||
normal_tex_->setImage(osgDB::readImageFile("Images/whitemetal_normal.jpg"));
|
||||
normal_tex_->setFilter(osg::Texture::MIN_FILTER, osg::Texture::LINEAR_MIPMAP_LINEAR);
|
||||
normal_tex_->setFilter(osg::Texture::MAG_FILTER, osg::Texture::LINEAR);
|
||||
normal_tex_->setWrap(osg::Texture::WRAP_S, osg::Texture::REPEAT);
|
||||
@ -634,7 +635,7 @@ void BumpMapping::setUpDemo()
|
||||
}
|
||||
|
||||
// generate tangent-space basis vector
|
||||
prepareChild();
|
||||
prepareChildren();
|
||||
|
||||
// recreate techniques on next step
|
||||
dirtyTechniques();
|
||||
|
@ -6,10 +6,12 @@
|
||||
#include <osg/StateAttribute>
|
||||
#include <osg/Geometry>
|
||||
|
||||
#include <osgUtil/CullVisitor>
|
||||
|
||||
using namespace osgFX;
|
||||
|
||||
Effect::Effect()
|
||||
: osg::Node(),
|
||||
: osg::Group(),
|
||||
enabled_(true),
|
||||
global_sel_tech_(AUTO_DETECT),
|
||||
techs_defined_(false)
|
||||
@ -18,56 +20,59 @@ Effect::Effect()
|
||||
}
|
||||
|
||||
Effect::Effect(const Effect ©, const osg::CopyOp ©op)
|
||||
: osg::Node(copy, copyop),
|
||||
: osg::Group(copy, copyop),
|
||||
enabled_(copy.enabled_),
|
||||
global_sel_tech_(copy.global_sel_tech_),
|
||||
techs_defined_(false),
|
||||
child_(static_cast<osg::Node *>(copyop(copy.child_.get())))
|
||||
techs_defined_(false)
|
||||
{
|
||||
build_dummy_node();
|
||||
}
|
||||
|
||||
bool Effect::computeBound() const
|
||||
Effect::~Effect()
|
||||
{
|
||||
_bsphere.init();
|
||||
_bsphere_computed = true;
|
||||
|
||||
if (child_.valid()) {
|
||||
_bsphere.expandBy(child_->getBound());
|
||||
// disable the validator for safety, so it won't try to access us
|
||||
// even if it stays alive for some reason
|
||||
if (dummy_for_validation_.valid()) {
|
||||
osg::StateSet *ss = dummy_for_validation_->getStateSet();
|
||||
if (ss) {
|
||||
Validator *validator = dynamic_cast<Validator *>(ss->getAttribute(Validator::VALIDATOR));
|
||||
if (validator) {
|
||||
validator->disable();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return _bsphere.valid();
|
||||
}
|
||||
|
||||
void Effect::traverse(osg::NodeVisitor &nv)
|
||||
{
|
||||
typedef osg::Node Inherited;
|
||||
|
||||
if (!child_.valid()) return;
|
||||
|
||||
// we are not a Group, so children will not notify us when their
|
||||
// bounding box has changed. We need to recompute it at each traversal... :(
|
||||
dirtyBound();
|
||||
|
||||
// if this effect is not enabled, then go for default traversal
|
||||
if (!enabled_) {
|
||||
child_->accept(nv);
|
||||
Inherited::traverse(nv);
|
||||
inherited_traverse(nv);
|
||||
return;
|
||||
}
|
||||
|
||||
// ensure that at least one technique is defined
|
||||
if (!techs_defined_) {
|
||||
|
||||
// clear existing techniques if necessary
|
||||
// clear existing techniques
|
||||
techs_.clear();
|
||||
|
||||
// clear technique selection indices
|
||||
sel_tech_.clear();
|
||||
|
||||
// clear technique selection flags
|
||||
tech_selected_.clear();
|
||||
|
||||
// define new techniques
|
||||
techs_defined_ = define_techniques();
|
||||
|
||||
// check for errors, return on failure
|
||||
if (!techs_defined_) {
|
||||
osg::notify(osg::WARN) << "Warning: osgFX::Effect: could not define techniques for effect " << className() << std::endl;
|
||||
return;
|
||||
}
|
||||
|
||||
// ensure that at least one technique has been defined
|
||||
if (techs_.empty()) {
|
||||
osg::notify(osg::WARN) << "Warning: osgFX::Effect: no techniques defined for effect " << className() << std::endl;
|
||||
return;
|
||||
@ -76,7 +81,11 @@ void Effect::traverse(osg::NodeVisitor &nv)
|
||||
|
||||
Technique *tech = 0;
|
||||
|
||||
// if the selection mode is set to AUTO_DETECT then we have to
|
||||
// choose the active technique!
|
||||
if (global_sel_tech_ == AUTO_DETECT) {
|
||||
|
||||
// test whether at least one technique has been selected
|
||||
bool none_selected = true;
|
||||
for (unsigned i=0; i<tech_selected_.size(); ++i) {
|
||||
if (tech_selected_[i] != 0) {
|
||||
@ -85,10 +94,14 @@ void Effect::traverse(osg::NodeVisitor &nv)
|
||||
}
|
||||
}
|
||||
|
||||
// no techniques selected, traverse a dummy node that
|
||||
// contains the Validator (it will select a technique)
|
||||
if (none_selected) {
|
||||
dummy_for_validation_->accept(nv);
|
||||
}
|
||||
|
||||
// find the highest priority technique that could be validated
|
||||
// in all active rendering contexts
|
||||
int max_index = -1;
|
||||
for (unsigned j=0; j<sel_tech_.size(); ++j) {
|
||||
if (tech_selected_[j] != 0) {
|
||||
@ -98,21 +111,23 @@ void Effect::traverse(osg::NodeVisitor &nv)
|
||||
}
|
||||
}
|
||||
|
||||
// found a valid technique?
|
||||
if (max_index >= 0) {
|
||||
tech = techs_[max_index].get();
|
||||
}
|
||||
|
||||
} else {
|
||||
|
||||
// the active technique was selected manually
|
||||
tech = techs_[global_sel_tech_].get();
|
||||
}
|
||||
|
||||
// if we could find an active technique, then continue with traversal
|
||||
if (tech) {
|
||||
tech->accept(nv, child_.get());
|
||||
} else {
|
||||
child_->accept(nv);
|
||||
tech->traverse(nv, this);
|
||||
}
|
||||
|
||||
Inherited::traverse(nv);
|
||||
// wow, we're finished! :)
|
||||
}
|
||||
|
||||
void Effect::build_dummy_node()
|
||||
|
@ -1,32 +1,25 @@
|
||||
#include <osgFX/Technique>
|
||||
#include <osgFX/Effect>
|
||||
|
||||
#include <osg/GLExtensions>
|
||||
|
||||
#include <osgUtil/CullVisitor>
|
||||
|
||||
using namespace osgFX;
|
||||
|
||||
Technique::Technique()
|
||||
: osg::Referenced(),
|
||||
passes_defined_(false),
|
||||
control_node_(new osg::Group)
|
||||
: osg::Referenced()
|
||||
{
|
||||
}
|
||||
|
||||
void Technique::addPass(osg::StateSet *ss)
|
||||
{
|
||||
osg::ref_ptr<osg::Group> pass = new osg::Group;
|
||||
control_node_->addChild(pass.get());
|
||||
|
||||
if (ss) {
|
||||
ss->setRenderBinDetails(static_cast<int>(control_node_->getNumChildren()), "RenderBin");
|
||||
pass->setStateSet(ss);
|
||||
passes_.push_back(ss);
|
||||
ss->setRenderBinDetails(static_cast<int>(passes_.size()), "RenderBin");
|
||||
}
|
||||
}
|
||||
|
||||
void Technique::addPass(osg::Group *pass)
|
||||
{
|
||||
control_node_->addChild(pass);
|
||||
}
|
||||
|
||||
bool Technique::validate(osg::State &) const
|
||||
{
|
||||
typedef std::vector<std::string> String_list;
|
||||
@ -41,39 +34,36 @@ bool Technique::validate(osg::State &) const
|
||||
return true;
|
||||
}
|
||||
|
||||
void Technique::accept(osg::NodeVisitor &nv, osg::Node *child)
|
||||
void Technique::traverse_implementation(osg::NodeVisitor &nv, Effect *fx)
|
||||
{
|
||||
// define passes if necessary
|
||||
if (!passes_defined_) {
|
||||
|
||||
// clear existing pass nodes
|
||||
if (control_node_->getNumChildren() > 0) {
|
||||
control_node_->removeChild(0, control_node_->getNumChildren());
|
||||
}
|
||||
|
||||
if (passes_.empty()) {
|
||||
define_passes();
|
||||
passes_defined_ = true;
|
||||
}
|
||||
|
||||
// update pass children if necessary
|
||||
if (child != prev_child_.get()) {
|
||||
for (unsigned i=0; i<control_node_->getNumChildren(); ++i) {
|
||||
osg::Group *pass = dynamic_cast<osg::Group *>(control_node_->getChild(i));
|
||||
if (pass) {
|
||||
if (pass->getNumChildren() > 0) {
|
||||
pass->removeChild(0, pass->getNumChildren());
|
||||
// special actions must be taken if the node visitor is actually a CullVisitor
|
||||
osgUtil::CullVisitor *cv = dynamic_cast<osgUtil::CullVisitor *>(&nv);
|
||||
|
||||
// traverse all passes
|
||||
for (int i=0; i<getNumPasses(); ++i) {
|
||||
|
||||
// push the i-th pass' StateSet if necessary
|
||||
if (cv) {
|
||||
cv->pushStateSet(passes_[i].get());
|
||||
}
|
||||
osg::Node *oc = getOverrideChild(i);
|
||||
if (oc) {
|
||||
pass->addChild(oc);
|
||||
|
||||
// traverse the override node if defined, otherwise
|
||||
// traverse children as a Group would do
|
||||
osg::Node *override = getOverrideChild(i);
|
||||
if (override) {
|
||||
override->accept(nv);
|
||||
} else {
|
||||
pass->addChild(child);
|
||||
}
|
||||
}
|
||||
}
|
||||
prev_child_ = child;
|
||||
fx->inherited_traverse(nv);
|
||||
}
|
||||
|
||||
// traverse the control node
|
||||
control_node_->accept(nv);
|
||||
// pop the StateSet if necessary
|
||||
if (cv) {
|
||||
cv->popStateSet();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -6,7 +6,8 @@
|
||||
using namespace osgFX;
|
||||
|
||||
Validator::Validator()
|
||||
: osg::StateAttribute()
|
||||
: osg::StateAttribute(),
|
||||
effect_(0)
|
||||
{
|
||||
}
|
||||
|
||||
@ -18,13 +19,13 @@ Validator::Validator(Effect *effect)
|
||||
|
||||
Validator::Validator(const Validator ©, const osg::CopyOp ©op)
|
||||
: osg::StateAttribute(copy, copyop),
|
||||
effect_(static_cast<Effect *>(copyop(copy.effect_.get())))
|
||||
effect_(static_cast<Effect *>(copyop(copy.effect_)))
|
||||
{
|
||||
}
|
||||
|
||||
void Validator::apply(osg::State &state) const
|
||||
{
|
||||
if (!effect_.valid()) return;
|
||||
if (!effect_) return;
|
||||
|
||||
if (effect_->tech_selected_[state.getContextID()] == 0) {
|
||||
Effect::Technique_list::iterator i;
|
||||
|
@ -11,7 +11,7 @@ osgDB::RegisterDotOsgWrapperProxy AnisotropicLighting_Proxy
|
||||
(
|
||||
new osgFX::AnisotropicLighting,
|
||||
"osgFX::AnisotropicLighting",
|
||||
"Object Node osgFX::Effect osgFX::AnisotropicLighting",
|
||||
"Object Node Group osgFX::Effect osgFX::AnisotropicLighting",
|
||||
AnisotropicLighting_readLocalData,
|
||||
AnisotropicLighting_writeLocalData
|
||||
);
|
||||
|
@ -11,7 +11,7 @@ osgDB::RegisterDotOsgWrapperProxy BumpMapping_Proxy
|
||||
(
|
||||
new osgFX::BumpMapping,
|
||||
"osgFX::BumpMapping",
|
||||
"Object Node osgFX::Effect osgFX::BumpMapping",
|
||||
"Object Node Group osgFX::Effect osgFX::BumpMapping",
|
||||
BumpMapping_readLocalData,
|
||||
BumpMapping_writeLocalData
|
||||
);
|
||||
|
@ -11,7 +11,7 @@ osgDB::RegisterDotOsgWrapperProxy Cartoon_Proxy
|
||||
(
|
||||
new osgFX::Cartoon,
|
||||
"osgFX::Cartoon",
|
||||
"Object Node osgFX::Effect osgFX::Cartoon",
|
||||
"Object Node Group osgFX::Effect osgFX::Cartoon",
|
||||
Cartoon_readLocalData,
|
||||
Cartoon_writeLocalData
|
||||
);
|
||||
|
@ -11,7 +11,7 @@ osgDB::RegisterDotOsgWrapperProxy Effect_Proxy
|
||||
(
|
||||
0,
|
||||
"osgFX::Effect",
|
||||
"Object Node osgFX::Effect",
|
||||
"Object Node Group osgFX::Effect",
|
||||
Effect_readLocalData,
|
||||
Effect_writeLocalData
|
||||
);
|
||||
@ -46,11 +46,6 @@ bool Effect_readLocalData(osg::Object &obj, osgDB::Input &fr)
|
||||
}
|
||||
}
|
||||
|
||||
osg::ref_ptr<osg::Node> node = static_cast<osg::Node *>(fr.readObjectOfType(osgDB::type_wrapper<osg::Node>()));
|
||||
if (node.valid()) {
|
||||
myobj.setChild(node.get());
|
||||
}
|
||||
|
||||
return itAdvanced;
|
||||
}
|
||||
|
||||
@ -65,7 +60,6 @@ bool Effect_writeLocalData(const osg::Object &obj, osgDB::Output &fw)
|
||||
} else {
|
||||
fw << myobj.getSelectedTechnique() << "\n";
|
||||
}
|
||||
fw.writeObject(*myobj.getChild());
|
||||
|
||||
return true;
|
||||
}
|
||||
|
@ -11,7 +11,7 @@ osgDB::RegisterDotOsgWrapperProxy Scribe_Proxy
|
||||
(
|
||||
new osgFX::Scribe,
|
||||
"osgFX::Scribe",
|
||||
"Object Node osgFX::Effect osgFX::Scribe",
|
||||
"Object Node Group osgFX::Effect osgFX::Scribe",
|
||||
Scribe_readLocalData,
|
||||
Scribe_writeLocalData
|
||||
);
|
||||
|
@ -11,7 +11,7 @@ osgDB::RegisterDotOsgWrapperProxy SpecularHighlights_Proxy
|
||||
(
|
||||
new osgFX::SpecularHighlights,
|
||||
"osgFX::SpecularHighlights",
|
||||
"Object Node osgFX::Effect osgFX::SpecularHighlights",
|
||||
"Object Node Group osgFX::Effect osgFX::SpecularHighlights",
|
||||
SpecularHighlights_readLocalData,
|
||||
SpecularHighlights_writeLocalData
|
||||
);
|
||||
|
Loading…
Reference in New Issue
Block a user