FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
Files
02783e1dfd6a8962a7cce3dcbe0a71eb5ccd32eb
OpenSceneGraph/src/osgPlugins/OpenFlight/PrimaryRecords.cpp

904 lines
27 KiB
C++
Raw Blame History

//
// OpenFlight® loader for OpenSceneGraph
//
// Copyright (C) 2005-2006 Brede Johansen
//
#include <assert.h>
#include <typeinfo>
#include <osg/Notify>
#include <osg/ShadeModel>
#include <osg/ProxyNode>
#include <osg/Sequence>
#include <osg/LOD>
#include <osg/ProxyNode>
#include <osgDB/FileUtils>
#include <osgSim/DOFTransform>
#include <osgSim/MultiSwitch>
#include <osgSim/GeographicLocation>
#include "Registry.h"
#include "Document.h"
#include "RecordInputStream.h"
namespace flt {
/** Header
*/
class Header : public PrimaryRecord
{
static const unsigned int SAVE_VERTEX_NORMALS_BIT = 0x80000000u >> 0;
static const unsigned int PACKED_COLOR_MODE_BIT = 0x80000000u >> 1;
static const unsigned int CAD_VIEW_MODE_BIT = 0x80000000u >> 2;
osg::ref_ptr<osg::Group> _header;
public:
Header() {}
META_Record(Header)
META_setID(_header)
META_setComment(_header)
// META_setMatrix(_header)
META_setMultitexture(_header)
META_addChild(_header)
protected:
virtual ~Header() {}
virtual void readRecord(RecordInputStream& in, Document& document)
{
std::string id = in.readString(8);
osg::notify(osg::DEBUG_INFO) << "ID: " << id << std::endl;
uint32 format = in.readUInt32();
osg::notify(osg::DEBUG_INFO) << "Format: " << format << std::endl;
document._version = format;
/*uint32 revision =*/ in.readUInt32();
std::string revisionTime = in.readString(32);
osg::notify(osg::INFO) << "Last revision: " << revisionTime << std::endl;
in.forward(4*2);
// Flight v.11 & 12 use integer coordinates
int16 multDivUnits = in.readInt16(); // Units multiplier/divisor
uint8 units = in.readUInt8(); // 0=Meters 1=Kilometers 4=Feet 5=Inches 8=Nautical miles
/*uint8 textureWhite =*/ in.readUInt8();
/*uint32 flags =*/ in.readUInt32();
in.forward( 4*6 );
/*int32 projectionType =*/ in.readInt32();
in.forward( 4*7 );
/*int16 nextDOF =*/ in.readInt16();
/*int16 vertStorage =*/ in.readInt16();
/*int32 dbOrigin =*/ in.readInt32();
/*float64 swX =*/ in.readFloat64();
/*float64 swY =*/ in.readFloat64();
/*float64 deltaX =*/ in.readFloat64();
/*float64 deltaY =*/ in.readFloat64();
in.forward( 2*2 ); /* some "next bead" IDs */
in.forward( 4*2 ); /* reserved */
in.forward( 4*2 ); /* more "next bead" IDs */
in.forward( 4 ); /* reserved */
/*float64 swLat =*/ in.readFloat64();
/*float64 swLong =*/ in.readFloat64();
/*float64 neLat =*/ in.readFloat64();
/*float64 neLong =*/ in.readFloat64();
float64 originLat = in.readFloat64();
float64 originLong = in.readFloat64();
if (document.getDoUnitsConversion())
document._unitScale = unitsToMeters((CoordUnits)units) / unitsToMeters(document.getDesiredUnits());
if (document._version < VERSION_13)
{
if (multDivUnits >= 0)
document._unitScale *= (double)multDivUnits;
else
document._unitScale /= (double)(-multDivUnits);
}
_header = new osg::Group;
_header->setName(id);
// Store model origin in returned Node userData.
osgSim::GeographicLocation* loc = new osgSim::GeographicLocation;
loc->set( originLat, originLong );
_header->setUserData( loc );
osg::notify(osg::INFO) << "DB lat=" << originLat << " lon=" << originLong << std::endl;
document.setHeaderNode(_header.get());
}
};
RegisterRecordProxy<Header> g_Header(HEADER_OP);
/** Group
*/
class Group : public PrimaryRecord
{
static const unsigned int FORWARD_ANIM = 0x80000000u >> 1;
static const unsigned int SWING_ANIM = 0x80000000u >> 2;
static const unsigned int BOUND_BOX_FOLLOW = 0x80000000u >> 3;
static const unsigned int FREEZE_BOUND_BOX = 0x80000000u >> 4;
static const unsigned int DEFAULT_PARENT = 0x80000000u >> 5;
static const unsigned int BACKWARD_ANIM = 0x80000000u >> 6;
osg::ref_ptr<osg::Group> _group;
bool _forwardAnim;
bool _backwardAnim;
float32 _loopDuration;
public:
Group():
_forwardAnim(false),
_backwardAnim(false)
{}
META_Record(Group)
META_setID(_group)
META_setComment(_group)
META_setMatrix(_group)
META_setMultitexture(_group)
META_addChild(_group)
bool hasAnimation() const { return _forwardAnim || _backwardAnim; }
protected:
virtual ~Group()
{
if (!_group.valid())
return;
if ( (_group->getNumChildren() > 0) &&
(_forwardAnim || _backwardAnim) )
{
// Now that we know the number of children, set the loop duration
// to the best of our ability (currently, osg::Sequence doesn't
// support the OpenFlight last frame duration concept).
osg::Sequence* sequence = dynamic_cast<osg::Sequence*>( _group.get() );
assert( sequence != NULL );
sequence->setDuration( _loopDuration / (float)(_group->getNumChildren()) );
}
}
void readRecord(RecordInputStream& in, Document& document)
{
std::string id = in.readString(8);
osg::notify(osg::DEBUG_INFO) << "ID: " << id << std::endl;
/*int16 relativePriority =*/ in.readInt16();
in.forward(2);
uint32 flags = in.readUInt32();
/*uint16 specialId0 =*/ in.readUInt16();
/*uint16 specialId1 =*/ in.readUInt16();
/*uint16 significance =*/ in.readUInt16();
/*int8 layer =*/ in.readInt8();
in.forward(5);
/*uint32 loopCount =*/ in.readUInt32();
_loopDuration = in.readFloat32();
/*float32 lastFrameDuration =*/ in.readFloat32();
// Check for forward animation (sequence)
_forwardAnim = (flags & FORWARD_ANIM) != 0;
// For versions prior to 15.8, the swing bit can be set independently
// of the animation bit. This implies forward animation (with swing)
if ((document.version() < VERSION_15_8) && (flags & SWING_ANIM))
_forwardAnim = true;
// OpenFlight 15.8 adds backwards animations
_backwardAnim = ( (document.version() >= VERSION_15_8) &&
((flags & BACKWARD_ANIM) != 0) );
if (_forwardAnim || _backwardAnim)
{
osg::ref_ptr<osg::Sequence> sequence = new osg::Sequence;
// Regardless of forwards or backwards, animation could have swing bit set
const osg::Sequence::LoopMode loopMode = ((flags & SWING_ANIM) == 0) ?
osg::Sequence::LOOP : osg::Sequence::SWING;
if (_forwardAnim)
sequence->setInterval(loopMode, 0, -1);
else
sequence->setInterval(loopMode, -1, 0);
// Set the duration, temporarily. We'll set the correct value
// in the destructor, when we know the number of children.
float speed=0.1f;
sequence->setDuration(speed);
sequence->setMode(osg::Sequence::START);
_group = sequence.get();
}
else
{
_group = new osg::Group;
}
_group->setName(id);
// Add this implementation to parent implementation.
if (_parent.valid())
_parent->addChild(*_group);
}
};
RegisterRecordProxy<Group> g_Group(GROUP_OP);
/** DegreeOfFreedom
*/
class DegreeOfFreedom : public PrimaryRecord
{
// Flags
static const unsigned long LIMIT_TRANSLATION_X = 0x80000000u >> 0;
static const unsigned long LIMIT_TRANSLATION_Y = 0x80000000u >> 1;
static const unsigned long LIMIT_TRANSLATION_Z = 0x80000000u >> 2;
static const unsigned long LIMIT_PITCH = 0x80000000u >> 3;
static const unsigned long LIMIT_ROLL = 0x80000000u >> 4;
static const unsigned long LIMIT_YAW = 0x80000000u >> 5;
static const unsigned long LIMIT_SCALE_X = 0x80000000u >> 6;
static const unsigned long LIMIT_SCALE_Y = 0x80000000u >> 7;
static const unsigned long LIMIT_SCALE_Z = 0x80000000u >> 8;
struct Range
{
float64 min; // Minimum value with respect to the local coord system
float64 max; // Maximum value with respect to the local coordsystem
float64 current; // Current value with respect to the local coord system
float64 increment; // Increment
};
osg::ref_ptr<osgSim::DOFTransform> _dof;
public:
DegreeOfFreedom():
_dof(new osgSim::DOFTransform) {}
META_Record(DegreeOfFreedom)
META_setID(_dof)
META_setComment(_dof)
META_setMatrix(_dof)
META_setMultitexture(_dof)
META_addChild(_dof)
protected:
virtual ~DegreeOfFreedom() {}
virtual void readRecord(RecordInputStream& in, Document& document)
{
std::string id = in.readString(8);
in.forward(4); // Reserved
osg::Vec3d localOrigin = in.readVec3d();
osg::Vec3d pointOnXAxis = in.readVec3d();
osg::Vec3d pointInXYPlane = in.readVec3d();
Range rangeZ = readRange(in); // Legal z values with respect to the local coord system
Range rangeY = readRange(in); // Legal y values with respect to the local coord system
Range rangeX = readRange(in); // Legal x values with respect to the local coord system
Range rangePitch = readRange(in); // Legal pitch values (rotation about the x-axis)
Range rangeRoll = readRange(in); // Legal roll values( rotation about the y-axis)
Range rangeYaw = readRange(in); // Legal yaw values (rotation about the z-axis)
Range rangeScaleZ = readRange(in); // Legal z scale values (about local origin)
Range rangeScaleY = readRange(in); // Legal y scale values about local origin)
Range rangeScaleX = readRange(in); // Legal x scale values (about local origin)
uint32 flags = in.readUInt32(); // Flags, bits from left to right (see OF doc)
// out of range check, required for racecar.flt (Creator Gallery)
if (!valid(localOrigin))
localOrigin = osg::Vec3d(0,0,0);
if (!valid(pointOnXAxis))
pointOnXAxis = osg::X_AXIS;
if (!valid(pointInXYPlane))
pointInXYPlane = osg::Y_AXIS;
_dof->setName(id);
//tranlsations:
_dof->setMinTranslate(osg::Vec3(rangeX.min,rangeY.min,rangeZ.min)*document.unitScale());
_dof->setMaxTranslate(osg::Vec3(rangeX.max,rangeY.max,rangeZ.max)*document.unitScale());
_dof->setCurrentTranslate(osg::Vec3(rangeX.current,rangeY.current,rangeZ.current)*document.unitScale());
_dof->setIncrementTranslate(osg::Vec3(rangeX.increment,rangeY.increment,rangeZ.increment)*document.unitScale());
//rotations:
_dof->setMinHPR(osg::Vec3(osg::inDegrees(rangeYaw.min),osg::inDegrees(rangePitch.min),osg::inDegrees(rangeRoll.min)));
_dof->setMaxHPR(osg::Vec3(osg::inDegrees(rangeYaw.max),osg::inDegrees(rangePitch.max),osg::inDegrees(rangeRoll.max)));
_dof->setCurrentHPR(osg::Vec3(osg::inDegrees(rangeYaw.current),osg::inDegrees(rangePitch.current),osg::inDegrees(rangeRoll.current)));
_dof->setIncrementHPR(osg::Vec3(osg::inDegrees(rangeYaw.increment),osg::inDegrees(rangePitch.increment),osg::inDegrees(rangeRoll.increment)));
//scales:
_dof->setMinScale(osg::Vec3(rangeScaleX.min,rangeScaleY.min,rangeScaleZ.min));
_dof->setMaxScale(osg::Vec3(rangeScaleX.max,rangeScaleY.max,rangeScaleZ.max));
_dof->setCurrentScale(osg::Vec3(rangeScaleX.current,rangeScaleY.current,rangeScaleZ.current));
_dof->setIncrementScale(osg::Vec3(rangeScaleX.increment,rangeScaleY.increment,rangeScaleZ.increment));
// compute axis.
osg::Vec3 xAxis = pointOnXAxis - localOrigin;
osg::Vec3 xyPlaneVector = pointInXYPlane - localOrigin;
osg::Vec3 zAxis = xAxis ^ xyPlaneVector;
osg::Vec3 yAxis = zAxis ^ xAxis;
// normalize
xAxis.normalize();
yAxis.normalize();
zAxis.normalize();
// scale origin
osg::Vec3 origin = localOrigin * document.unitScale();
// create putmatrix
osg::Matrix inv_putmat(xAxis.x(), xAxis.y(), xAxis.z(), 0.0,
yAxis.x(), yAxis.y(), yAxis.z(), 0.0,
zAxis.x(), zAxis.y(), zAxis.z(), 0.0,
origin.x(), origin.y(), origin.z(), 1.0);
_dof->setInversePutMatrix(inv_putmat);
_dof->setPutMatrix(osg::Matrix::inverse(inv_putmat));
_dof->setLimitationFlags(flags);
_dof->setAnimationOn(document.getDefaultDOFAnimationState());
// _dof->setHPRMultOrder(osgSim::DOFTransform::HPR);
// Add this implementation to parent implementation.
if (_parent.valid())
_parent->addChild(*_dof);
}
Range readRange(RecordInputStream& in) const
{
Range range;
range.min = in.readFloat64();
range.max = in.readFloat64();
range.current = in.readFloat64();
range.increment = in.readFloat64();
// Extend valid range (See Creator help on DOF).
if (range.current < range.min) range.min = range.current;
if (range.current > range.max) range.max = range.current;
const float64 epsilon = 1.0e-7;
if (fabs(range.max-range.min) < epsilon)
range.increment = 0;
return range;
}
bool valid(const osg::Vec3d& v) const
{
const osg::Vec3d bad(-1.0e8,-1.0e8,-1.0e8);
const float64 epsilon = 1.0e-7;
return (fabs(v.x()-bad.x()) > epsilon) ||
(fabs(v.y()-bad.y()) > epsilon) ||
(fabs(v.z()-bad.z()) > epsilon);
}
};
RegisterRecordProxy<DegreeOfFreedom> g_DegreeOfFreedom(DOF_OP);
/** LevelOfDetail - To recreate the LevelOfDetail record in OSG we have to create a LOD node with one Group node under it.
* OSG representation Children of the LevelOfDetail record will be added to
*/
class LevelOfDetail : public PrimaryRecord
{
osg::ref_ptr<osg::LOD> _lod;
osg::ref_ptr<osg::Group> _impChild0;
public:
LevelOfDetail() {}
META_Record(LevelOfDetail)
META_setID(_lod)
META_setComment(_lod)
META_setMatrix(_lod)
META_setMultitexture(_lod)
META_addChild(_impChild0)
protected:
virtual ~LevelOfDetail() {}
virtual void readRecord(RecordInputStream& in, Document& document)
{
std::string id = in.readString(8);
in.forward(4);
float64 switchInDistance = in.readFloat64();
float64 switchOutDistance = in.readFloat64();
/*int16 specialEffectID1 =*/ in.readInt16();
/*int16 specialEffectID2 =*/ in.readInt16();
/*uint32 flags =*/ in.readUInt32();
osg::Vec3d center = in.readVec3d();
_lod = new osg::LOD;
_lod->setName(id);
_lod->setCenter(center*document.unitScale());
_impChild0 = new osg::Group;
_impChild0->setName("LOD child0");
// Add child to lod.
_lod->addChild(_impChild0.get(),
(float)switchOutDistance * document.unitScale(),
(float)switchInDistance * document.unitScale());
// Add this implementation to parent implementation.
if (_parent.valid())
_parent->addChild(*_lod);
}
};
RegisterRecordProxy<LevelOfDetail> g_LevelOfDetail(LOD_OP);
/** OldLevelOfDetail
*/
class OldLevelOfDetail : public PrimaryRecord
{
osg::ref_ptr<osg::LOD> _lod;
osg::ref_ptr<osg::Group> _impChild0;
public:
OldLevelOfDetail() {}
META_Record(OldLevelOfDetail)
META_setID(_lod)
META_setComment(_lod)
META_setMatrix(_lod)
META_setMultitexture(_lod)
META_addChild(_impChild0)
protected:
virtual ~OldLevelOfDetail() {}
virtual void readRecord(RecordInputStream& in, Document& document)
{
std::string id = in.readString(8);
uint32 switchInDistance = in.readUInt32();
uint32 switchOutDistance = in.readUInt32();
/*int16 specialEffectID1 =*/ in.readInt16();
/*int16 specialEffectID2 =*/ in.readInt16();
/*uint32 flags =*/ in.readUInt32();
osg::Vec3 center;
center.x() = (float)in.readInt32();
center.y() = (float)in.readInt32();
center.z() = (float)in.readInt32();
_lod = new osg::LOD;
_lod->setName(id);
_lod->setCenter(center*document.unitScale());
_lod->setRange(0, (float)switchOutDistance * document.unitScale(),
(float)switchInDistance * document.unitScale());
// Add child to lod.
_impChild0 = new osg::Group;
_lod->addChild(_impChild0.get());
// Add this implementation to parent implementation.
if (_parent.valid())
_parent->addChild(*_lod);
}
};
RegisterRecordProxy<OldLevelOfDetail> g_OldLevelOfDetail(OLD_LOD_OP);
/** Switch
*/
class Switch : public PrimaryRecord
{
uint32 _currentMask;
uint32 _numberOfMasks;
uint32 _wordsInMask;
std::vector<uint32> _masks;
osg::ref_ptr<osgSim::MultiSwitch> _multiSwitch;
public:
Switch() {}
META_Record(Switch)
META_setID(_multiSwitch)
META_setComment(_multiSwitch)
META_setMatrix(_multiSwitch)
META_setMultitexture(_multiSwitch)
virtual void addChild(osg::Node& child)
{
if (_multiSwitch.valid())
{
unsigned int nChild = _multiSwitch->getNumChildren();
for (unsigned int nMask=0; nMask<_numberOfMasks; ++nMask)
{
// test if this child is active in the current mask (itMask)
unsigned int nMaskBit = nChild % 32;
unsigned int nMaskWord = nMask * _wordsInMask + nChild / 32;
_multiSwitch->setValue(nMask, nChild, (_masks[nMaskWord] & (uint32(1) << nMaskBit))!=0 );
}
_multiSwitch->addChild(&child);
}
}
protected:
virtual ~Switch() {}
virtual void readRecord(RecordInputStream& in, Document& /*document*/)
{
std::string id = in.readString(8);
in.forward(4);
_currentMask = in.readUInt32();
_numberOfMasks = in.readUInt32();
_wordsInMask = in.readUInt32();
_multiSwitch = new osgSim::MultiSwitch;
_multiSwitch->setName(id);
/* Example:
| word #0 || word #1 || word #2 | <- Mask #0
| word #0 || word #1 || word #2 | <- Mask #1
In this example numberOfMasks=2 and wordsInMask=3, currentMask can be 0 or 1.
*/
for (unsigned int n=0; n<_numberOfMasks*_wordsInMask; n++)
{
uint32 maskWord = in.readUInt32();
_masks.push_back(maskWord);
}
_multiSwitch->setActiveSwitchSet(_currentMask);
// Add this implementation to parent implementation.
if (_parent.valid())
_parent->addChild(*_multiSwitch);
}
};
RegisterRecordProxy<Switch> g_Switch(SWITCH_OP);
/** ExternalReference
*/
class ExternalReference : public PrimaryRecord
{
osg::ref_ptr<osg::ProxyNode> _external;
// Parent pool override flags
static const unsigned long COLOR_PALETTE_OVERRIDE = 0x80000000u >> 0;
static const unsigned long MATERIAL_PALETTE_OVERRIDE = 0x80000000u >> 1;
static const unsigned long TEXTURE_PALETTE_OVERRIDE = 0x80000000u >> 2;
static const unsigned long LINE_STYLE_PALETTE_OVERRIDE = 0x80000000u >> 3;
static const unsigned long SOUND_PALETTE_OVERRIDE = 0x80000000u >> 4;
static const unsigned long LIGHT_SOURCE_PALETTE_OVERRIDE = 0x80000000u >> 5;
static const unsigned long LIGHT_POINT_PALETTE_OVERRIDE = 0x80000000u >> 6;
static const unsigned long SHADER_PALETTE_OVERRIDE = 0x80000000u >> 7;
public:
ExternalReference() {}
META_Record(ExternalReference)
META_setID(_external)
META_setComment(_external)
META_setMatrix(_external)
META_setMultitexture(_external)
META_addChild(_external)
protected:
virtual ~ExternalReference() {}
virtual void readRecord(RecordInputStream& in, Document& document)
{
std::string strFile = in.readString(200);
_external = new osg::ProxyNode;
_external->setCenterMode(osg::ProxyNode::USE_BOUNDING_SPHERE_CENTER);
_external->setFileName(0,strFile);
// Set parent pools as user data
if (document.version() >= VERSION_14_2)
{
in.forward(2);
if (document.version() >= VERSION_15_1)
in.forward(2);
uint32 mask = in.readUInt32(~0);
// Possible bug in models with version number 15.4.1 ?
// Symptoms: Black trees in VegaPlayer town.
if (document.version() == 1541)
mask = ~0;
// Only override light points and shader palettes if
// we are the correct version.
bool parentLightPoints( (document.version() >= VERSION_15_8) &&
((mask & LIGHT_POINT_PALETTE_OVERRIDE) == 0) );
bool parentShaders( (document.version() >= VERSION_16_0) &&
((mask & SHADER_PALETTE_OVERRIDE) == 0) );
_external->setUserData(new ParentPools(
((mask & COLOR_PALETTE_OVERRIDE) ? NULL : document.getColorPool()),
((mask & MATERIAL_PALETTE_OVERRIDE) ? NULL : document.getOrCreateMaterialPool()),
((mask & TEXTURE_PALETTE_OVERRIDE) ? NULL : document.getOrCreateTexturePool()),
((!parentLightPoints) ? NULL : document.getOrCreateLightPointAppearancePool()),
((!parentShaders) ? NULL : document.getOrCreateShaderPool()) ));
}
// Add this implementation to parent implementation.
if (_parent.valid())
_parent->addChild(*_external);
}
};
RegisterRecordProxy<ExternalReference> g_ExternalReference(EXTERNAL_REFERENCE_OP);
/** InstanceDefinition
*/
class InstanceDefinition : public PrimaryRecord
{
osg::ref_ptr<osg::Group> _instanceDefinition;
public:
InstanceDefinition() {}
META_Record(InstanceDefinition)
META_setID(_instanceDefinition)
META_setComment(_instanceDefinition)
META_setMultitexture(_instanceDefinition)
META_addChild(_instanceDefinition)
virtual void setMatrix(osg::Matrix& matrix)
{
osg::ref_ptr<osg::MatrixTransform> transform = new osg::MatrixTransform(matrix);
transform->setDataVariance(osg::Object::STATIC);
transform->addChild(_instanceDefinition.get());
_instanceDefinition = transform.get();
}
protected:
virtual ~InstanceDefinition() {}
virtual void readRecord(RecordInputStream& in, Document& document)
{
in.forward(2);
uint16 number = in.readUInt16();
_instanceDefinition = new osg::Group;
// Add to instance definition table.
document.setInstanceDefinition(number,_instanceDefinition.get());
}
};
RegisterRecordProxy<InstanceDefinition> g_InstanceDefinition(INSTANCE_DEFINITION_OP);
/** InstanceReference
* The InstanceReference is a leaf record.
*/
class InstanceReference : public PrimaryRecord
{
public:
InstanceReference() {}
META_Record(InstanceReference)
protected:
virtual ~InstanceReference() {}
virtual void readRecord(RecordInputStream& in, Document& document)
{
in.forward(2);
uint16 number = in.readUInt16();
// Get definition.
osg::Node* instance = document.getInstanceDefinition(number);
// Add this implementation to parent implementation.
if (_parent.valid())
_parent->addChild(*instance);
}
};
RegisterRecordProxy<InstanceReference> g_InstanceReference(INSTANCE_REFERENCE_OP);
/** Extension
*/
class Extension : public PrimaryRecord
{
osg::ref_ptr<osg::Group> _extension;
public:
Extension() {}
META_Record(Extension)
META_setID(_extension)
META_setComment(_extension)
META_setMatrix(_extension)
META_setMultitexture(_extension)
META_addChild(_extension)
protected:
virtual ~Extension() {}
virtual void readRecord(RecordInputStream& in, Document& /*document*/)
{
std::string id = in.readString(8);
std::string siteId = in.readString(8);
in.forward(1);
_extension = new osg::Group;
_extension->setName(id);
// Add this implementation to parent implementation.
if (_parent.valid())
_parent->addChild(*_extension);
}
};
RegisterRecordProxy<Extension> g_Extension(EXTENSION_OP);
/** Object
*/
class Object : public PrimaryRecord
{
static const unsigned int HIDE_IN_DAYLIGHT = 0x80000000u >> 0;
static const unsigned int HIDE_AT_DUSK = 0x80000000u >> 1;
static const unsigned int HIDE_AT_NIGHT = 0x80000000u >> 2;
static const unsigned int NO_ILLUMINATION = 0x80000000u >> 3;
static const unsigned int FLAT_SHADED = 0x80000000u >> 4;
static const unsigned int SHADOW_OBJECT = 0x80000000u >> 5;
osg::ref_ptr<osg::Group> _object;
public:
Object() {}
META_Record(Object)
META_setID(_object)
META_setComment(_object)
virtual void setMatrix(osg::Matrix& matrix)
{
if (_object.valid())
insertMatrixTransform(*_object,matrix);
else
{
_object = new osg::MatrixTransform(matrix);
_object->setDataVariance(osg::Object::STATIC);
if (_parent.valid())
_parent->addChild(*_object);
}
}
virtual void addChild(osg::Node& child)
{
// If object excists it means it is preserved.
if (_object.valid())
_object->addChild(&child);
// If no object add child to parent.
else if (_parent.valid())
_parent->addChild(child);
}
protected:
virtual ~Object() {}
virtual void readRecord(RecordInputStream& in, Document& document)
{
// Is it safe to remove the object?
if (!document.getPreserveObject())
{
// The following tests need a valid parent.
if (!_parent.valid())
return;
// LODs adds an empty child group so it is safe to remove this object record.
if (typeid(*_parent)==typeid(flt::LevelOfDetail))
return;
if (typeid(*_parent)==typeid(flt::OldLevelOfDetail))
return;
// If parent is a Group record we have to check for animation.
Group* parentGroup = dynamic_cast<flt::Group*>(_parent.get());
if (parentGroup && !parentGroup->hasAnimation())
return;
}
std::string id = in.readString(8);
_object = new osg::Group;
_object->setName(id);
#if 1
/*uint32 flags =*/ in.readUInt32();
#else
// The Object "Flat Shaded" checkbox in Creator is used by the "Calculate Shading" operation,
// it is not a flat shaded state attribute.
uint32 flags = in.readUInt32();
// Flat shaded?
if (flags & FLAT_SHADED)
{
static osg::ref_ptr<osg::ShadeModel> shademodel;
if (!shademodel.valid())
{
shademodel = new osg::ShadeModel;
shademodel->setMode(osg::ShadeModel::FLAT);
}
_object->getOrCreateStateSet()->setAttribute(shademodel.get());
}
#endif
if (_parent.valid())
_parent->addChild(*_object);
}
};
RegisterRecordProxy<Object> g_Object(OBJECT_OP);
} // end namespace
Reference in New Issue View Git Blame Copy Permalink