FGFS-4.1/OpenSceneGraph
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First cut at class interfaces and stubs for implementations for the new osgShadow NodeKit

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This commit is contained in:
Robert Osfield 2006-10-06 14:16:11 +00:00
parent d445995432
commit 5163c4a762
27 changed files with 1697 additions and 3 deletions
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8
Make/makedirdefs
View File

@ -20,6 +20,7 @@ SRC_DIRS = \
osgParticle \ osgParticle \
osgText \ osgText \
osgFX \ osgFX \
osgShadow \
osgSim osgSim
ifeq ($(PRODUCER_INSTALLED),yes) ifeq ($(PRODUCER_INSTALLED),yes)
@ -200,15 +201,14 @@ ifeq ($(PRODUCER_INSTALLED),yes)
osgbillboard \ osgbillboard \
osgblendequation \ osgblendequation \
osgcallback \ osgcallback \
osgcatch \
osgcamera \ osgcamera \
osgcameragroup \ osgcameragroup \
osgcatch \
osgclip \ osgclip \
osgcluster \ osgcluster \
osgcopy \ osgcopy \
osgcubemap \ osgcubemap \
osgdelaunay \ osgdelaunay \
osgdepthshadow \
osgdepthpartition \ osgdepthpartition \
osgdistortion \ osgdistortion \
osgforest \ osgforest \
@ -227,8 +227,8 @@ ifeq ($(PRODUCER_INSTALLED),yes)
osglogo \ osglogo \
osgmotionblur \ osgmotionblur \
osgmovie \ osgmovie \
osgmultitexture \
osgmultiplecameras \ osgmultiplecameras \
osgmultitexture \
osgoccluder \ osgoccluder \
osgpagedlod \ osgpagedlod \
osgparametric \ osgparametric \
@ -247,7 +247,9 @@ ifeq ($(PRODUCER_INSTALLED),yes)
osgsequence \ osgsequence \
osgshaders \ osgshaders \
osgshaderterrain \ osgshaderterrain \
osgshadow \
osgshadowtexture \ osgshadowtexture \
osgdepthshadow \
osgshape \ osgshape \
osgsimple \ osgsimple \
osgsimplepager \ osgsimplepager \

48
VisualStudio/OpenSceneGraph.dsw
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@ -99,6 +99,24 @@ Package=<4>
############################################################################### ###############################################################################
Project: "Core osgShadow"=.\osgShadow\osgShadow.dsp - Package Owner=<4>
Package=<5>
{{{
}}}
Package=<4>
{{{
Begin Project Dependency
Project_Dep_Name Core osg
End Project Dependency
Begin Project Dependency
Project_Dep_Name Core osgUtil
End Project Dependency
}}}
###############################################################################
Project: "Core osgParticle"=.\osgParticle\osgParticle.dsp - Package Owner=<4> Project: "Core osgParticle"=.\osgParticle\osgParticle.dsp - Package Owner=<4>
Package=<5> Package=<5>
@ -1842,6 +1860,36 @@ Package=<4>
############################################################################### ###############################################################################
Project: "Example osgshadow"=.\examples\osgshadow\osgshadow.dsp - Package Owner=<4>
Package=<5>
{{{
}}}
Package=<4>
{{{
Begin Project Dependency
Project_Dep_Name Core osg
End Project Dependency
Begin Project Dependency
Project_Dep_Name Core osgDB
End Project Dependency
Begin Project Dependency
Project_Dep_Name Core osgGA
End Project Dependency
Begin Project Dependency
Project_Dep_Name Core osgProducer
End Project Dependency
Begin Project Dependency
Project_Dep_Name Core osgUtil
End Project Dependency
Begin Project Dependency
Project_Dep_Name Core osgShadow
End Project Dependency
}}}
###############################################################################
Project: "Example osgslice"=.\examples\osgslice\osgslice.dsp - Package Owner=<4> Project: "Example osgslice"=.\examples\osgslice\osgslice.dsp - Package Owner=<4>
Package=<5> Package=<5>

226
VisualStudio/osgShadow/osgShadow.dsp Normal file
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@ -0,0 +1,226 @@
# Microsoft Developer Studio Project File - Name="Core osgShadow" - Package Owner=<4>
# Microsoft Developer Studio Generated Build File, Format Version 6.00
# ** DO NOT EDIT **
# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102
# TARGTYPE "Win32 (x86) Static Library" 0x0104
CFG=Core osgShadow - Win32 Release
!MESSAGE This is not a valid makefile. To build this project using NMAKE,
!MESSAGE use the Export Makefile command and run
!MESSAGE
!MESSAGE NMAKE /f "osgShadow.mak".
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!MESSAGE
!MESSAGE "Core osgShadow - Win32 Release" (based on "Win32 (x86) Dynamic-Link Library")
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!MESSAGE "Core osgShadow - Win32 Debug Static" (based on "Win32 (x86) Static Library")
!MESSAGE
# Begin Project
# PROP AllowPerConfigDependencies 0
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CPP=cl.exe
MTL=midl.exe
RSC=rc.exe
!IF "$(CFG)" == "Core osgShadow - Win32 Release"
# PROP BASE Use_MFC 0
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# ADD LINK32 OpenThreadsWin32.lib opengl32.lib glu32.lib /nologo /dll /debug /machine:I386 /opt:ref /opt:icf /out:"$(OutDir)/osgShadow.dll" /implib:"../../lib/$(PlatformName)/osgShadow.lib" /libpath:"../../lib/$(PlatformName)" /libpath:"../../../OpenThreads/lib/$(PlatformName)" /libpath:"../../../Producer/lib/$(PlatformName)" /libpath:"../../../3rdParty/lib/$(PlatformName)" /libpath:"../../../3rdParty/lib"
!ELSEIF "$(CFG)" == "Core osgShadow - Win32 Debug"
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# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
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BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
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LINK32=link.exe
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# ADD LINK32 OpenThreadsWin32d.lib opengl32.lib glu32.lib /nologo /dll /debug /machine:I386 /out:"$(OutDir)/osgShadowd.dll" /pdbtype:sept /implib:"../../lib/$(PlatformName)/osgShadowd.lib" /libpath:"../../lib/$(PlatformName)" /libpath:"../../../OpenThreads/lib/$(PlatformName)" /libpath:"../../../Producer/lib/$(PlatformName)" /libpath:"../../../3rdParty/lib/$(PlatformName)" /libpath:"../../../3rdParty/lib"
# SUBTRACT LINK32 /pdb:none
!ELSEIF "$(CFG)" == "Core osgShadow - Win32 Release Static"
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# PROP Ignore_Export_Lib 0
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F90=df.exe
# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "OSG_LIBRARY_STATIC" "OT_LIBRARY_STATIC" "PR_LIBRARY_STATIC" /YX /FD /c
# ADD CPP /nologo /MT /W3 /GR /GX /O2 /I "../../include" /I "../../../OpenThreads/include" /I "../../../Producer/include" /I "../../../3rdParty/include" /D "NDEBUG" /D "_MBCS" /D "OSG_LIBRARY_STATIC" /D "OT_LIBRARY_STATIC" /D "PR_LIBRARY_STATIC" /D "WIN32" /D "_WINDOWS" /D "_CRT_SECURE_NO_DEPRECATE" /YX /FD /Zm200 /c
# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32
# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
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# ADD RSC /l 0x809 /d "NDEBUG"
BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
# ADD BSC32 /nologo
LIB32=link.exe -lib
# ADD BASE LIB32 /nologo
# ADD LIB32 /nodefaultlib /nologo /out:"$(OutDir)/osgShadow_s.lib"
!ELSEIF "$(CFG)" == "Core osgShadow - Win32 Debug Static"
# PROP BASE Use_MFC 0
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# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Z7 /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "OSG_LIBRARY_STATIC" "OT_LIBRARY_STATIC" "PR_LIBRARY_STATIC" /YX /FD /GZ /c
# ADD CPP /nologo /MTd /W3 /Gm /vmg /GR /GX /Z7 /Od /I "../../include" /I "../../../OpenThreads/include" /I "../../../Producer/include" /I "../../../3rdParty/include" /D "OSG_LIBRARY_STATIC" /D "OT_LIBRARY_STATIC" /D "PR_LIBRARY_STATIC" /D "_WINDOWS" /D "WIN32" /D "_DEBUG" /D "_CRT_SECURE_NO_DEPRECATE" /YX /FD /GZ /Zm200 /c
# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
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# ADD RSC /l 0x809 /d "_DEBUG"
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# ADD BSC32 /nologo
LIB32=link.exe -lib
# ADD BASE LIB32 /nologo
# ADD LIB32 /nodefaultlib /nologo /out:"$(OutDir)/osgShadowd_s.lib"
# SUBTRACT LIB32 /pdb:none
!ENDIF
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SOURCE=..\..\src\osgShadow\ShadowTechnique.cpp
# End Source File
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SOURCE=..\..\src\osgShadow\ShadowTexture.cpp
# End Source File
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SOURCE=..\..\src\osgShadow\ShadowMap.cpp
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SOURCE=..\..\src\osgShadow\ShadowVolume.cpp
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137
VisualStudio/osgWrappers/osgShadow/wrapper_osgShadow.dsp Normal file
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@ -0,0 +1,137 @@
# Microsoft Developer Studio Project File - Name="osgWrapper osgShadow" - Package Owner=<4>
# Microsoft Developer Studio Generated Build File, Format Version 6.00
# ** DO NOT EDIT **
# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102
CFG=osgWrapper osgShadow - Win32 Release
!MESSAGE This is not a valid makefile. To build this project using NMAKE,
!MESSAGE use the Export Makefile command and run
!MESSAGE
!MESSAGE NMAKE /f "wrapper_osgShadow.mak".
!MESSAGE
!MESSAGE You can specify a configuration when running NMAKE
!MESSAGE by defining the macro CFG on the command line. For example:
!MESSAGE
!MESSAGE NMAKE /f "wrapper_osgShadow.mak" CFG="osgWrapper osgShadow - Win32 Release"
!MESSAGE
!MESSAGE Possible choices for configuration are:
!MESSAGE
!MESSAGE "osgWrapper osgShadow - Win32 Release" (based on "Win32 (x86) Dynamic-Link Library")
!MESSAGE "osgWrapper osgShadow - Win32 Debug" (based on "Win32 (x86) Dynamic-Link Library")
!MESSAGE
# Begin Project
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# ADD LINK32 opengl32.lib OpenThreadsWin32.lib /nologo /dll /debug /machine:I386 /nodefaultlib:"LIBC" /opt:ref /opt:icf /out:"$(OutDir)/osgwrapper_osgShadow.dll" /implib:"../../../lib/$(PlatformName)/osgwrapper_osgShadow.lib" /libpath:"../../../lib/$(PlatformName)" /libpath:"../../../../OpenThreads/lib/$(PlatformName)" /libpath:"../../../../Producer/lib/$(PlatformName)" /libpath:"../../../../3rdParty/lib/$(PlatformName)" /libpath:"../../../../3rdParty/lib"
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17
examples/osgshadow/GNUmakefile Normal file
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@ -0,0 +1,17 @@
TOPDIR = ../..
include $(TOPDIR)/Make/makedefs
CXXFILES =\
osgshadow.cpp\
LIBS += -losgProducer -lProducer -losgShadow -losgText -losgGA -losgDB -losgUtil -losg $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
INSTFILES = \
$(CXXFILES)\
GNUmakefile.inst=GNUmakefile
EXEC = osgshadow
INC += $(X_INC)
include $(TOPDIR)/Make/makerules

14
examples/osgshadow/GNUmakefile.inst Normal file
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@ -0,0 +1,14 @@
TOPDIR = ../..
include $(TOPDIR)/Make/makedefs
CXXFILES =\
osgshadow.cpp\
LIBS += -losgProducer -lProducer -losgShadow -losgText -losgDB -losgUtil -losg $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
EXEC = osgshadow
INC += $(PRODUCER_INCLUDE_DIR) $(X_INC)
LDFLAGS += $(PRODUCER_LIB_DIR)
include $(TOPDIR)/Make/makerules

506
examples/osgshadow/osgshadow.cpp Normal file
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@ -0,0 +1,506 @@
#include <osgProducer/Viewer>
#include <osg/Projection>
#include <osg/Geometry>
#include <osg/Texture>
#include <osg/TexGen>
#include <osg/Geode>
#include <osg/ShapeDrawable>
#include <osg/PolygonOffset>
#include <osg/Texture2D>
#include <osg/MatrixTransform>
#include <osg/Light>
#include <osg/LightSource>
#include <osg/PolygonOffset>
#include <osg/CullFace>
#include <osg/Material>
#include <osg/TexEnvCombine>
#include <osg/TexEnv>
#include <osg/CameraNode>
#include <osg/TexGenNode>
#include <osgDB/ReadFile>
using namespace osg;
class LightTransformCallback: public osg::NodeCallback
{
public:
LightTransformCallback(float angular_velocity, float height, float radius):
_angular_velocity(angular_velocity),
_height(height),
_radius(radius),
_previous_traversal_number(-1),
_previous_time(-1.0f),
_angle(0)
{
}
void operator()(Node* node, NodeVisitor* nv);
protected:
float _angular_velocity;
float _height;
float _radius;
int _previous_traversal_number;
double _previous_time;
float _angle;
};
void
LightTransformCallback::operator()(Node* node, NodeVisitor* nv)
{
MatrixTransform* transform = dynamic_cast<MatrixTransform*>(node);
if (nv && transform)
{
const FrameStamp* fs = nv->getFrameStamp();
if (!fs) return; // not frame stamp, no handle on the time so can't move.
double new_time = fs->getReferenceTime();
if (nv->getTraversalNumber() != _previous_traversal_number)
{
_angle += _angular_velocity * (new_time - _previous_time);
Matrix matrix = Matrix::rotate(atan(_height / _radius), -X_AXIS) *
Matrix::rotate(PI_2, Y_AXIS) *
Matrix::translate(Vec3(_radius, 0, 0)) *
Matrix::rotate(_angle, Y_AXIS) *
Matrix::translate(Vec3(0, _height, 0));
// update the specified transform
transform->setMatrix(matrix);
_previous_traversal_number = nv->getTraversalNumber();
}
_previous_time = new_time;
}
// must call any nested node callbacks and continue subgraph traversal.
traverse(node,nv);
}
ref_ptr<MatrixTransform> _create_lights()
{
ref_ptr<MatrixTransform> transform_0 = new MatrixTransform;
// create a spot light.
ref_ptr<Light> light_0 = new Light;
light_0->setLightNum(0);
light_0->setPosition(Vec4(0, 0, 0, 1.0f));
light_0->setAmbient(Vec4(0.0f, 0.0f, 0.0f, 1.0f));
light_0->setDiffuse(Vec4(1.0f, 0.8f, 0.8f, 1.0f));
light_0->setSpotCutoff(60.0f);
light_0->setSpotExponent(2.0f);
ref_ptr<LightSource> light_source_0 = new LightSource;
light_source_0->setLight(light_0.get());
light_source_0->setLocalStateSetModes(StateAttribute::ON);
transform_0->setUpdateCallback(new LightTransformCallback(inDegrees(90.0f), 8, 5));
transform_0->addChild(light_source_0.get());
ref_ptr<Geode> geode = new Geode;
ref_ptr<ShapeDrawable> shape;
ref_ptr<TessellationHints> hints = new TessellationHints;
hints->setDetailRatio(0.3f);
shape = new ShapeDrawable(new Sphere(Vec3(0.0f, 0.0f, 0.0f), 0.15f), hints.get());
shape->setColor(Vec4(1.0f, 0.5f, 0.5f, 1.0f));
geode->addDrawable(shape.get());
shape = new ShapeDrawable(new Cylinder(Vec3(0.0f, 0.0f, -0.4f), 0.05f, 0.8f), hints.get());
shape->setColor(Vec4(1.0f, 0.5f, 0.5f, 1.0f));
geode->addDrawable(shape.get());
geode->getOrCreateStateSet()->setMode(GL_LIGHTING, StateAttribute::OFF);
transform_0->addChild(geode.get());
return transform_0;
}
ref_ptr<Group> _create_scene()
{
ref_ptr<Group> scene = new Group;
ref_ptr<Geode> geode_1 = new Geode;
scene->addChild(geode_1.get());
ref_ptr<Geode> geode_2 = new Geode;
ref_ptr<MatrixTransform> transform_2 = new MatrixTransform;
transform_2->addChild(geode_2.get());
transform_2->setUpdateCallback(new osg::AnimationPathCallback(Vec3(0, 0, 0), Y_AXIS, inDegrees(45.0f)));
scene->addChild(transform_2.get());
ref_ptr<Geode> geode_3 = new Geode;
ref_ptr<MatrixTransform> transform_3 = new MatrixTransform;
transform_3->addChild(geode_3.get());
transform_3->setUpdateCallback(new osg::AnimationPathCallback(Vec3(0, 0, 0), Y_AXIS, inDegrees(-22.5f)));
scene->addChild(transform_3.get());
const float radius = 0.8f;
const float height = 1.0f;
ref_ptr<TessellationHints> hints = new TessellationHints;
hints->setDetailRatio(2.0f);
ref_ptr<ShapeDrawable> shape;
shape = new ShapeDrawable(new Box(Vec3(0.0f, -2.0f, 0.0f), 10, 0.1f, 10), hints.get());
shape->setColor(Vec4(0.5f, 0.5f, 0.7f, 1.0f));
geode_1->addDrawable(shape.get());
shape = new ShapeDrawable(new Sphere(Vec3(0.0f, 0.0f, 0.0f), radius * 2), hints.get());
shape->setColor(Vec4(0.8f, 0.8f, 0.8f, 1.0f));
geode_1->addDrawable(shape.get());
shape = new ShapeDrawable(new Sphere(Vec3(-3.0f, 0.0f, 0.0f), radius), hints.get());
shape->setColor(Vec4(0.6f, 0.8f, 0.8f, 1.0f));
geode_2->addDrawable(shape.get());
shape = new ShapeDrawable(new Box(Vec3(3.0f, 0.0f, 0.0f), 2 * radius), hints.get());
shape->setColor(Vec4(0.4f, 0.9f, 0.3f, 1.0f));
geode_2->addDrawable(shape.get());
shape = new ShapeDrawable(new Cone(Vec3(0.0f, 0.0f, -3.0f), radius, height), hints.get());
shape->setColor(Vec4(0.2f, 0.5f, 0.7f, 1.0f));
geode_2->addDrawable(shape.get());
shape = new ShapeDrawable(new Cylinder(Vec3(0.0f, 0.0f, 3.0f), radius, height), hints.get());
shape->setColor(Vec4(1.0f, 0.3f, 0.3f, 1.0f));
geode_2->addDrawable(shape.get());
shape = new ShapeDrawable(new Box(Vec3(0.0f, 3.0f, 0.0f), 2, 0.1f, 2), hints.get());
shape->setColor(Vec4(0.8f, 0.8f, 0.4f, 1.0f));
geode_3->addDrawable(shape.get());
// material
ref_ptr<Material> matirial = new Material;
matirial->setColorMode(Material::DIFFUSE);
matirial->setAmbient(Material::FRONT_AND_BACK, Vec4(0, 0, 0, 1));
matirial->setSpecular(Material::FRONT_AND_BACK, Vec4(1, 1, 1, 1));
matirial->setShininess(Material::FRONT_AND_BACK, 64.0f);
scene->getOrCreateStateSet()->setAttributeAndModes(matirial.get(), StateAttribute::ON);
return scene;
}
class UpdateCameraAndTexGenCallback : public osg::NodeCallback
{
public:
UpdateCameraAndTexGenCallback(osg::MatrixTransform* light_transform, osg::CameraNode* cameraNode, osg::TexGenNode* texgenNode):
_light_transform(light_transform),
_cameraNode(cameraNode),
_texgenNode(texgenNode)
{
}
virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
{
// first update subgraph to make sure objects are all moved into postion
traverse(node,nv);
// now compute the camera's view and projection matrix to point at the shadower (the camera's children)
osg::BoundingSphere bs;
for(unsigned int i=0; i<_cameraNode->getNumChildren(); ++i)
{
bs.expandBy(_cameraNode->getChild(i)->getBound());
}
if (!bs.valid())
{
osg::notify(osg::WARN) << "bb invalid"<<_cameraNode.get()<<std::endl;
return;
}
osg::Vec3 position = _light_transform->getMatrix().getTrans();
float centerDistance = (position-bs.center()).length();
float znear = centerDistance-bs.radius();
float zfar = centerDistance+bs.radius();
float zNearRatio = 0.001f;
if (znear<zfar*zNearRatio) znear = zfar*zNearRatio;
#if 0
// hack to illustrate the precision problems of excessive gap between near far range.
znear = 0.00001*zfar;
#endif
float top = (bs.radius()/centerDistance)*znear;
float right = top;
_cameraNode->setReferenceFrame(osg::CameraNode::ABSOLUTE_RF);
_cameraNode->setProjectionMatrixAsFrustum(-right,right,-top,top,znear,zfar);
_cameraNode->setViewMatrixAsLookAt(position,bs.center(),osg::Vec3(0.0f,1.0f,0.0f));
// compute the matrix which takes a vertex from local coords into tex coords
// will use this later to specify osg::TexGen..
osg::Matrix MVPT = _cameraNode->getViewMatrix() *
_cameraNode->getProjectionMatrix() *
osg::Matrix::translate(1.0,1.0,1.0) *
osg::Matrix::scale(0.5f,0.5f,0.5f);
_texgenNode->getTexGen()->setMode(osg::TexGen::EYE_LINEAR);
_texgenNode->getTexGen()->setPlanesFromMatrix(MVPT);
}
protected:
virtual ~UpdateCameraAndTexGenCallback() {}
osg::ref_ptr<osg::MatrixTransform> _light_transform;
osg::ref_ptr<osg::CameraNode> _cameraNode;
osg::ref_ptr<osg::TexGenNode> _texgenNode;
};
//////////////////////////////////////////////////////////////////
// fragment shader
//
char fragmentShaderSource_noBaseTexture[] =
"uniform sampler2DShadow shadowTexture; \n"
"uniform vec2 ambientBias; \n"
"\n"
"void main(void) \n"
"{ \n"
" gl_FragColor = gl_Color * (ambientBias.x + shadow2DProj( shadowTexture, gl_TexCoord[0] ) * ambientBias.y); \n"
"}\n";
//////////////////////////////////////////////////////////////////
// fragment shader
//
char fragmentShaderSource_withBaseTexture[] =
"uniform sampler2D baseTexture; \n"
"uniform sampler2DShadow shadowTexture; \n"
"uniform vec2 ambientBias; \n"
"\n"
"void main(void) \n"
"{ \n"
" vec4 color = gl_Color * texture2D( baseTexture, gl_TexCoord[0].xy ); \n"
" gl_FragColor = color * (ambientBias.x + shadow2DProj( shadowTexture, gl_TexCoord[1] ) * ambientBias.y); \n"
"}\n";
osg::Group* createShadowedScene(osg::Node* shadowed,osg::MatrixTransform* light_transform, unsigned int unit)
{
osg::Group* group = new osg::Group;
unsigned int tex_width = 1024;
unsigned int tex_height = 1024;
osg::Texture2D* texture = new osg::Texture2D;
texture->setTextureSize(tex_width, tex_height);
texture->setInternalFormat(GL_DEPTH_COMPONENT);
texture->setShadowComparison(true);
texture->setShadowTextureMode(Texture::LUMINANCE);
texture->setFilter(osg::Texture2D::MIN_FILTER,osg::Texture2D::LINEAR);
texture->setFilter(osg::Texture2D::MAG_FILTER,osg::Texture2D::LINEAR);
// set up the render to texture camera.
{
// create the camera
osg::CameraNode* camera = new osg::CameraNode;
camera->setClearMask(GL_DEPTH_BUFFER_BIT);
camera->setClearColor(osg::Vec4(1.0f,1.0f,1.0f,1.0f));
camera->setComputeNearFarMode(osg::CameraNode::DO_NOT_COMPUTE_NEAR_FAR);
// set viewport
camera->setViewport(0,0,tex_width,tex_height);
osg::StateSet* _local_stateset = camera->getOrCreateStateSet();
_local_stateset->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
float factor = 0.0f;
float units = 1.0f;
ref_ptr<PolygonOffset> polygon_offset = new PolygonOffset;
polygon_offset->setFactor(factor);
polygon_offset->setUnits(units);
_local_stateset->setAttribute(polygon_offset.get(), StateAttribute::ON | StateAttribute::OVERRIDE);
_local_stateset->setMode(GL_POLYGON_OFFSET_FILL, StateAttribute::ON | StateAttribute::OVERRIDE);
ref_ptr<CullFace> cull_face = new CullFace;
cull_face->setMode(CullFace::FRONT);
_local_stateset->setAttribute(cull_face.get(), StateAttribute::ON | StateAttribute::OVERRIDE);
_local_stateset->setMode(GL_CULL_FACE, StateAttribute::ON | StateAttribute::OVERRIDE);
// set the camera to render before the main camera.
camera->setRenderOrder(osg::CameraNode::PRE_RENDER);
// tell the camera to use OpenGL frame buffer object where supported.
camera->setRenderTargetImplementation(osg::CameraNode::FRAME_BUFFER_OBJECT);
// attach the texture and use it as the color buffer.
camera->attach(osg::CameraNode::DEPTH_BUFFER, texture);
// add subgraph to render
camera->addChild(shadowed);
group->addChild(camera);
// create the texgen node to project the tex coords onto the subgraph
osg::TexGenNode* texgenNode = new osg::TexGenNode;
texgenNode->setTextureUnit(unit);
group->addChild(texgenNode);
// set an update callback to keep moving the camera and tex gen in the right direction.
group->setUpdateCallback(new UpdateCameraAndTexGenCallback(light_transform, camera, texgenNode));
}
// set the shadowed subgraph so that it uses the texture and tex gen settings.
{
osg::Group* shadowedGroup = new osg::Group;
shadowedGroup->addChild(shadowed);
group->addChild(shadowedGroup);
osg::StateSet* stateset = shadowedGroup->getOrCreateStateSet();
stateset->setTextureAttributeAndModes(unit,texture,osg::StateAttribute::ON);
stateset->setTextureMode(unit,GL_TEXTURE_GEN_S,osg::StateAttribute::ON);
stateset->setTextureMode(unit,GL_TEXTURE_GEN_T,osg::StateAttribute::ON);
stateset->setTextureMode(unit,GL_TEXTURE_GEN_R,osg::StateAttribute::ON);
stateset->setTextureMode(unit,GL_TEXTURE_GEN_Q,osg::StateAttribute::ON);
osg::Program* program = new osg::Program;
stateset->setAttribute(program);
if (unit==0)
{
osg::Shader* fragment_shader = new osg::Shader(osg::Shader::FRAGMENT, fragmentShaderSource_noBaseTexture);
program->addShader(fragment_shader);
osg::Uniform* shadowTextureSampler = new osg::Uniform("shadowTexture",(int)unit);
stateset->addUniform(shadowTextureSampler);
}
else
{
osg::Shader* fragment_shader = new osg::Shader(osg::Shader::FRAGMENT, fragmentShaderSource_withBaseTexture);
program->addShader(fragment_shader);
osg::Uniform* baseTextureSampler = new osg::Uniform("baseTexture",0);
stateset->addUniform(baseTextureSampler);
osg::Uniform* shadowTextureSampler = new osg::Uniform("shadowTexture",(int)unit);
stateset->addUniform(shadowTextureSampler);
}
osg::Uniform* ambientBias = new osg::Uniform("ambientBias",osg::Vec2(0.3f,1.2f));
stateset->addUniform(ambientBias);
}
// add the shadower and shadowed.
group->addChild(light_transform);
return group;
}
int main(int argc, char** argv)
{
// use an ArgumentParser object to manage the program arguments.
ArgumentParser arguments(&argc, argv);
// set up the usage document, in case we need to print out how to use this program.
arguments.getApplicationUsage()->setDescription(arguments.getApplicationName() + " is the example which demonstrates using of GL_ARB_shadow extension implemented in osg::Texture class");
arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName());
arguments.getApplicationUsage()->addCommandLineOption("-h or --help", "Display this information");
arguments.getApplicationUsage()->addCommandLineOption("--with-base-texture", "Adde base texture to shadowed model.");
arguments.getApplicationUsage()->addCommandLineOption("--no-base-texture", "Adde base texture to shadowed model.");
// construct the viewer.
osgProducer::Viewer viewer(arguments);
// set up the value with sensible default event handlers.
viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS);
// get details on keyboard and mouse bindings used by the viewer.
viewer.getUsage(*arguments. getApplicationUsage());
bool withBaseTexture = true;
while(arguments.read("--with-base-texture")) { withBaseTexture = true; }
while(arguments.read("--no-base-texture")) { withBaseTexture = false; }
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))
{
arguments.getApplicationUsage()->write(std::cout);
return 1;
}
// any option left unread are converted into errors to write out later.
arguments.reportRemainingOptionsAsUnrecognized();
// report any errors if they have occured when parsing the program aguments.
if (arguments.errors())
{
arguments.writeErrorMessages(std::cout);
return 1;
}
ref_ptr<MatrixTransform> scene = new MatrixTransform;
scene->setMatrix(osg::Matrix::rotate(osg::DegreesToRadians(125.0),1.0,0.0,0.0));
ref_ptr<Group> shadowed_scene = _create_scene();
if (!shadowed_scene.valid()) return 1;
ref_ptr<MatrixTransform> light_transform = _create_lights();
if (!light_transform.valid()) return 1;
ref_ptr<Group> shadowedScene;
if (withBaseTexture)
{
shadowed_scene->getOrCreateStateSet()->setTextureAttributeAndModes( 0, new osg::Texture2D(osgDB::readImageFile("Images/lz.rgb")), osg::StateAttribute::ON);
shadowedScene = createShadowedScene(shadowed_scene.get(),light_transform.get(),1);
}
else
{
shadowedScene = createShadowedScene(shadowed_scene.get(),light_transform.get(),0);
}
scene->addChild(shadowedScene.get());
viewer.setSceneData(scene.get());
// create the windows and run the threads.
viewer.realize();
while (!viewer.done())
{
// wait for all cull and draw threads to complete.
viewer.sync();
// update the scene by traversing it with the the update visitor which will
// call all node update callbacks and animations.
viewer.update();
// fire off the cull and draw traversals of the scene.
viewer.frame();
}
// wait for all cull and draw threads to complete.
viewer.sync();
// run a clean up frame to delete all OpenGL objects.
viewer.cleanup_frame();
// wait for all the clean up frame to complete.
viewer.sync();
return 0;
}

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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGSHADOW_EXPORT_
#define OSGSHADOW_EXPORT_ 1
#if defined(_MSC_VER)
#pragma warning( disable : 4244 )
#pragma warning( disable : 4251 )
#pragma warning( disable : 4267 )
#pragma warning( disable : 4275 )
#pragma warning( disable : 4290 )
#pragma warning( disable : 4786 )
#pragma warning( disable : 4305 )
#pragma warning( disable : 4996 )
#endif
#if defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW32__) || defined( __BCPLUSPLUS__)
# if defined( OSG_LIBRARY_STATIC )
# define OSGSHADOW_EXPORT
# elif defined( OSGSHADOW_LIBRARY )
# define OSGSHADOW_EXPORT __declspec(dllexport)
# else
# define OSGSHADOW_EXPORT __declspec(dllimport)
# endif
#else
# define OSGSHADOW_EXPORT
#endif
/**
\namespace osgShadow
The osgShadow is a NodeKit library that extends the core scene graph to add support for a range of shadow techniques.
*/
#endif

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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGSHADOW_PARALLELSPLITSHADOWMAP
#define OSGSHADOW_PARALLELSPLITSHADOWMAP 1
#include <osg/CameraNode>
#include <osgShadow/ShadowTechnique>
namespace osgShadow {
/** ShadowedTexture provides an implementation of shadow textures.*/
class OSGSHADOW_EXPORT ParallelSplitShadowMap : public ShadowTechnique
{
public :
ParallelSplitShadowMap();
ParallelSplitShadowMap(const ParallelSplitShadowMap& es, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Object(osgShadow, ParallelSplitShadowMap);
protected :
virtual ~ParallelSplitShadowMap() {}
};
}
#endif

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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGSHADOW_SHADOWEDTEXTURE
#define OSGSHADOW_SHADOWEDTEXTURE 1
#include <osg/CameraNode>
#include <osgShadow/ShadowTechnique>
namespace osgShadow {
/** ShadowedTexture provides an implementation of shadow textures.*/
class OSGSHADOW_EXPORT ShadowMap : public ShadowTechnique
{
public :
ShadowMap();
ShadowMap(const ShadowMap& es, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Object(osgShadow, ShadowMap);
protected :
virtual ~ShadowMap() {}
};
}
#endif

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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGSHADOW_SHADOWEDTECHNIQUE
#define OSGSHADOW_SHADOWEDTECHNIQUE 1
#include <osg/buffered_value>
#include <osg/CameraNode>
#include <osg/Texture2D>
#include <osg/TexGenNode>
#include <osgShadow/Export>
namespace osgShadow {
// forward declare ShadowedScene
class ShadowedScene;
/** ShadowedScene provides a mechansim for decorating a scene that the needs to have shadows cast upon it.*/
class OSGSHADOW_EXPORT ShadowTechnique : public osg::Object
{
public :
ShadowTechnique();
ShadowTechnique(const ShadowTechnique& es, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Object(osgShadow, ShadowTechnique);
protected :
virtual ~ShadowTechnique() {}
};
}
#endif

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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGSHADOW_SHADOWEDTEXTURE
#define OSGSHADOW_SHADOWEDTEXTURE 1
#include <osg/CameraNode>
#include <osgShadow/ShadowTechnique>
namespace osgShadow {
/** ShadowedTexture provides an implementation of shadow textures.*/
class OSGSHADOW_EXPORT ShadowTexture : public ShadowTechnique
{
public :
ShadowTexture();
ShadowTexture(const ShadowTexture& es, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Object(osgShadow, ShadowTexture);
protected :
virtual ~ShadowTexture() {}
};
}
#endif

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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGSHADOW_SHADOWVOLUME
#define OSGSHADOW_SHADOWVOLUME 1
#include <osg/CameraNode>
#include <osgShadow/ShadowTechnique>
namespace osgShadow {
/** ShadowedTexture provides an implementation of shadow textures.*/
class OSGSHADOW_EXPORT ShadowVolume : public ShadowTechnique
{
public :
ShadowVolume();
ShadowVolume(const ShadowVolume& es, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Object(osgShadow, ShadowVolume);
protected :
virtual ~ShadowVolume() {}
};
}
#endif

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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGSHADOW_SHADOWEDSCENE
#define OSGSHADOW_SHADOWEDSCENE 1
#include <osg/buffered_value>
#include <osg/CameraNode>
#include <osg/Texture2D>
#include <osg/TexGenNode>
#include <osgShadow/ShadowTechnique>
namespace osgShadow {
/** ShadowedScene provides a mechansim for decorating a scene that the needs to have shadows cast upon it.*/
class OSGSHADOW_EXPORT ShadowedScene : public osg::Group
{
public :
ShadowedScene();
ShadowedScene(const ShadowedScene& es, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Node(osgShadow, ShadowedScene);
virtual void traverse(osg::NodeVisitor& nv);
void setRecievesShadowTraversalMask(unsigned int mask) { _recievesShadowTraversalMask = mask; }
unsigned int getRecievesShadowTraversalMask() const { return _recievesShadowTraversalMask; }
void setCastsShadowTraversalMask(unsigned int mask) { _castsShadowTraversalMask = mask; }
unsigned int getCastsShadowTraversalMask() const { return _castsShadowTraversalMask; }
void setShadowTechnique(ShadowTechnique* technique);
ShadowTechnique* getShadowTechnique() { return _shadowTechnique.get(); }
const ShadowTechnique* getShadowTechnique() const { return _shadowTechnique.get(); }
protected :
virtual ~ShadowedScene() {}
unsigned int _recievesShadowTraversalMask;
unsigned int _castsShadowTraversalMask;
osg::ref_ptr<ShadowTechnique> _shadowTechnique;
};
}
#endif

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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGSHADOW_VERSION
#define OSGSHADOW_VERSION 1
#include <osgShadow/Export>
extern "C" {
/**
* osgShadowGetVersion() returns the library version number.
* Numbering convention : OpenSceneGraph-1.0 will return 1.0 from osgShadowGetVersion.
*
* This C function can be also used to check for the existence of the OpenSceneGraph
* library using autoconf and its m4 macro AC_CHECK_LIB.
*
* Here is the code to add to your configure.in:
\verbatim
#
# Check for the OpenSceneGraph (OSG) library
#
AC_CHECK_LIB(osg, osgShadowGetVersion, ,
[AC_MSG_ERROR(OpenSceneGraph library not found. See http://www.openscenegraph.org)],)
\endverbatim
*/
extern OSGSHADOW_EXPORT const char* osgShadowGetVersion();
/**
* osgShadowGetLibraryName() returns the library name in human friendly form.
*/
extern OSGSHADOW_EXPORT const char* osgShadowGetLibraryName();
}
#endif

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TOPDIR = ../..
include $(TOPDIR)/Make/makedefs
CXXFILES = \
ShadowedScene.cpp\
ShadowTechnique.cpp\
ShadowMap.cpp\
ShadowTexture.cpp\
ShadowVolume.cpp\
ParallelSplitShadowMap.cpp\
Version.cpp\
DEF += -DOSGTEXT_LIBRARY
LIBS += -losgDB -losg $(GL_LIBS) $(OTHER_LIBS)
TARGET_BASENAME = osgText
LIB = $(LIB_PREFIX)$(TARGET_BASENAME).$(LIB_EXT)
include $(TOPDIR)/Make/makerules

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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include <osgShadow/ParallelSplitShadowMap>
#include <osg/Notify>
using namespace osgShadow;
ParallelSplitShadowMap::ParallelSplitShadowMap()
{
osg::notify(osg::NOTICE)<<"Warning: osgShadow::ParallelSplitShadowMap technique not implemented yet."<<std::endl;
}
ParallelSplitShadowMap::ParallelSplitShadowMap(const ParallelSplitShadowMap& copy, const osg::CopyOp& copyop):
ShadowTechnique(copy,copyop)
{
}

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src/osgShadow/ShadowMap.cpp Normal file
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include <osgShadow/ShadowMap>
#include <osg/Notify>
using namespace osgShadow;
ShadowMap::ShadowMap()
{
osg::notify(osg::NOTICE)<<"Warning: osgShadow::ShadowMap technique not implemented yet."<<std::endl;
}
ShadowMap::ShadowMap(const ShadowMap& copy, const osg::CopyOp& copyop):
ShadowTechnique(copy,copyop)
{
}

25
src/osgShadow/ShadowTechnique.cpp Normal file
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include <osgShadow/ShadowTechnique>
using namespace osgShadow;
ShadowTechnique::ShadowTechnique()
{
}
ShadowTechnique::ShadowTechnique(const ShadowTechnique& copy, const osg::CopyOp& copyop):
osg::Object(copy,copyop)
{
}

27
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include <osgShadow/ShadowTexture>
#include <osg/Notify>
using namespace osgShadow;
ShadowTexture::ShadowTexture()
{
osg::notify(osg::NOTICE)<<"Warning: osgShadow::ShadowTexture technique not implemented yet."<<std::endl;
}
ShadowTexture::ShadowTexture(const ShadowTexture& copy, const osg::CopyOp& copyop):
ShadowTechnique(copy,copyop)
{
}

27
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include <osgShadow/ShadowVolume>
#include <osg/Notify>
using namespace osgShadow;
ShadowVolume::ShadowVolume()
{
osg::notify(osg::NOTICE)<<"Warning: osgShadow::ShadowVolume technique not implemented yet."<<std::endl;
}
ShadowVolume::ShadowVolume(const ShadowVolume& copy, const osg::CopyOp& copyop):
ShadowTechnique(copy,copyop)
{
}

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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include <osg/Texture2D>
#include <osg/CoordinateSystemNode>
#include <osg/TexEnv>
#include <osg/io_utils>
#include <osgUtil/CullVisitor>
#include <osgShadow/ShadowedScene>
using namespace osgShadow;
using namespace osg;
ShadowedScene::ShadowedScene()
{
setNumChildrenRequiringUpdateTraversal(1);
}
ShadowedScene::ShadowedScene(const ShadowedScene& copy, const osg::CopyOp& copyop):
osg::Group(copy,copyop)
{
setNumChildrenRequiringUpdateTraversal(getNumChildrenRequiringUpdateTraversal()+1);
}
void ShadowedScene::traverse(osg::NodeVisitor& nv)
{
if (nv.getVisitorType() == osg::NodeVisitor::UPDATE_VISITOR)
{
Group::traverse(nv);
return;
}
if (nv.getVisitorType() != osg::NodeVisitor::CULL_VISITOR)
{
Group::traverse(nv);
return;
}
osgUtil::CullVisitor* cv = dynamic_cast<osgUtil::CullVisitor*>(&nv);
if (!cv)
{
Group::traverse(nv);
return;
}
Group::traverse(nv);
}

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#include <osgShadow/Version>
const char* osgShadowGetVersion()
{
return "1.2";
}
const char* osgShaodowGetLibraryName()
{
return "OpenSceneGraph Shadow Library";
}

35
src/osgWrappers/osgShadow/ParallelSplitShadowMap.cpp Normal file
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// ***************************************************************************
//
// Generated automatically by genwrapper.
// Please DO NOT EDIT this file!
//
// ***************************************************************************
#include <osgIntrospection/ReflectionMacros>
#include <osgIntrospection/TypedMethodInfo>
#include <osgIntrospection/StaticMethodInfo>
#include <osgIntrospection/Attributes>
#include <osg/CopyOp>
#include <osg/Object>
#include <osgShadow/ParallelSplitShadowMap>
// Must undefine IN and OUT macros defined in Windows headers
#ifdef IN
#undef IN
#endif
#ifdef OUT
#undef OUT
#endif
BEGIN_OBJECT_REFLECTOR(osgShadow::ParallelSplitShadowMap)
I_BaseType(osgShadow::ShadowTechnique);
I_Constructor0();
I_ConstructorWithDefaults2(IN, const osgShadow::ParallelSplitShadowMap &, es, , IN, const osg::CopyOp &, copyop, osg::CopyOp::SHALLOW_COPY);
I_Method0(osg::Object *, cloneType);
I_Method1(osg::Object *, clone, IN, const osg::CopyOp &, copyop);
I_Method1(bool, isSameKindAs, IN, const osg::Object *, obj);
I_Method0(const char *, libraryName);
I_Method0(const char *, className);
END_REFLECTOR

35
src/osgWrappers/osgShadow/ShadowTechnique.cpp Normal file
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// ***************************************************************************
//
// Generated automatically by genwrapper.
// Please DO NOT EDIT this file!
//
// ***************************************************************************
#include <osgIntrospection/ReflectionMacros>
#include <osgIntrospection/TypedMethodInfo>
#include <osgIntrospection/StaticMethodInfo>
#include <osgIntrospection/Attributes>
#include <osg/CopyOp>
#include <osg/Object>
#include <osgShadow/ShadowTechnique>
// Must undefine IN and OUT macros defined in Windows headers
#ifdef IN
#undef IN
#endif
#ifdef OUT
#undef OUT
#endif
BEGIN_OBJECT_REFLECTOR(osgShadow::ShadowTechnique)
I_BaseType(osg::Object);
I_Constructor0();
I_ConstructorWithDefaults2(IN, const osgShadow::ShadowTechnique &, es, , IN, const osg::CopyOp &, copyop, osg::CopyOp::SHALLOW_COPY);
I_Method0(osg::Object *, cloneType);
I_Method1(osg::Object *, clone, IN, const osg::CopyOp &, copyop);
I_Method1(bool, isSameKindAs, IN, const osg::Object *, obj);
I_Method0(const char *, libraryName);
I_Method0(const char *, className);
END_REFLECTOR

35
src/osgWrappers/osgShadow/ShadowVolume.cpp Normal file
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// ***************************************************************************
//
// Generated automatically by genwrapper.
// Please DO NOT EDIT this file!
//
// ***************************************************************************
#include <osgIntrospection/ReflectionMacros>
#include <osgIntrospection/TypedMethodInfo>
#include <osgIntrospection/StaticMethodInfo>
#include <osgIntrospection/Attributes>
#include <osg/CopyOp>
#include <osg/Object>
#include <osgShadow/ShadowVolume>
// Must undefine IN and OUT macros defined in Windows headers
#ifdef IN
#undef IN
#endif
#ifdef OUT
#undef OUT
#endif
BEGIN_OBJECT_REFLECTOR(osgShadow::ShadowVolume)
I_BaseType(osgShadow::ShadowTechnique);
I_Constructor0();
I_ConstructorWithDefaults2(IN, const osgShadow::ShadowVolume &, es, , IN, const osg::CopyOp &, copyop, osg::CopyOp::SHALLOW_COPY);
I_Method0(osg::Object *, cloneType);
I_Method1(osg::Object *, clone, IN, const osg::CopyOp &, copyop);
I_Method1(bool, isSameKindAs, IN, const osg::Object *, obj);
I_Method0(const char *, libraryName);
I_Method0(const char *, className);
END_REFLECTOR

49
src/osgWrappers/osgShadow/ShadowedScene.cpp Normal file
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// ***************************************************************************
//
// Generated automatically by genwrapper.
// Please DO NOT EDIT this file!
//
// ***************************************************************************
#include <osgIntrospection/ReflectionMacros>
#include <osgIntrospection/TypedMethodInfo>
#include <osgIntrospection/StaticMethodInfo>
#include <osgIntrospection/Attributes>
#include <osg/CopyOp>
#include <osg/NodeVisitor>
#include <osg/Object>
#include <osgShadow/ShadowTechnique>
#include <osgShadow/ShadowedScene>
// Must undefine IN and OUT macros defined in Windows headers
#ifdef IN
#undef IN
#endif
#ifdef OUT
#undef OUT
#endif
BEGIN_OBJECT_REFLECTOR(osgShadow::ShadowedScene)
I_BaseType(osg::Group);
I_Constructor0();
I_ConstructorWithDefaults2(IN, const osgShadow::ShadowedScene &, es, , IN, const osg::CopyOp &, copyop, osg::CopyOp::SHALLOW_COPY);
I_Method0(osg::Object *, cloneType);
I_Method1(osg::Object *, clone, IN, const osg::CopyOp &, copyop);
I_Method1(bool, isSameKindAs, IN, const osg::Object *, obj);
I_Method0(const char *, className);
I_Method0(const char *, libraryName);
I_Method1(void, accept, IN, osg::NodeVisitor &, nv);
I_Method1(void, traverse, IN, osg::NodeVisitor &, nv);
I_Method1(void, setRecievesShadowTraversalMask, IN, unsigned int, mask);
I_Method0(unsigned int, getRecievesShadowTraversalMask);
I_Method1(void, setCastsShadowTraversalMask, IN, unsigned int, mask);
I_Method0(unsigned int, getCastsShadowTraversalMask);
I_Method1(void, setShadowTechnique, IN, osgShadow::ShadowTechnique *, technique);
I_Method0(osgShadow::ShadowTechnique *, getShadowTechnique);
I_Method0(const osgShadow::ShadowTechnique *, getShadowTechnique);
I_Property(unsigned int, CastsShadowTraversalMask);
I_Property(unsigned int, RecievesShadowTraversalMask);
I_Property(osgShadow::ShadowTechnique *, ShadowTechnique);
END_REFLECTOR