GeometryRefPtr buildTerrain(Vec2f Dimensions, UInt32 XSubdivisions, UInt32 YSubdivisions)
{
GeoUInt8PropertyRefPtr type = GeoUInt8Property::create();
type->addValue(GL_TRIANGLES);
GeoPnt3fPropertyRefPtr pnts = GeoPnt3fProperty ::create();
GeoVec3fPropertyRefPtr norms = GeoVec3fProperty ::create();
Real32 ZScale(8.0);
for(UInt32 i(0) ; i<XSubdivisions ; ++i)
{
for(UInt32 j(0) ; j<YSubdivisions ; ++j)
{
Real32 Theta(5*3.14159*(static_cast<Real32>(i)/static_cast<Real32>(XSubdivisions))),
ThetaNext(5*3.14159*(static_cast<Real32>(i+1)/static_cast<Real32>(XSubdivisions)));
// the points of the Tris
pnts->addValue(Pnt3f(-Dimensions.x()/2.0+i*(Dimensions.x()/static_cast<Real32>(XSubdivisions)), Dimensions.y()/2.0-j*(Dimensions.y()/static_cast<Real32>(YSubdivisions)), ZScale*osgCos(Theta)));
norms->addValue(Vec3f( 0.0,0.0,1.0));
pnts->addValue(Pnt3f(-Dimensions.x()/2.0+i*(Dimensions.x()/static_cast<Real32>(XSubdivisions)), Dimensions.y()/2.0-(j+1)*(Dimensions.y()/static_cast<Real32>(YSubdivisions)), ZScale*osgCos(Theta)));
norms->addValue(Vec3f( 0.0,0.0,1.0));
pnts->addValue(Pnt3f(-Dimensions.x()/2.0+(i+1)*(Dimensions.x()/static_cast<Real32>(XSubdivisions)), Dimensions.y()/2.0-j*(Dimensions.y()/static_cast<Real32>(YSubdivisions)), ZScale*osgCos(ThetaNext)));
norms->addValue(Vec3f( 0.0,0.0,1.0));
pnts->addValue(Pnt3f(-Dimensions.x()/2.0+i*(Dimensions.x()/static_cast<Real32>(XSubdivisions)), Dimensions.y()/2.0-(j+1)*(Dimensions.y()/static_cast<Real32>(YSubdivisions)), ZScale*osgCos(Theta)));
norms->addValue(Vec3f( 0.0,0.0,1.0));
pnts->addValue(Pnt3f(-Dimensions.x()/2.0+(i+1)*(Dimensions.x()/static_cast<Real32>(XSubdivisions)), Dimensions.y()/2.0-(j+1)*(Dimensions.y()/static_cast<Real32>(YSubdivisions)), ZScale*osgCos(ThetaNext)));
norms->addValue(Vec3f( 0.0,0.0,1.0));
pnts->addValue(Pnt3f(-Dimensions.x()/2.0+(i+1)*(Dimensions.x()/static_cast<Real32>(XSubdivisions)), Dimensions.y()/2.0-j*(Dimensions.y()/static_cast<Real32>(YSubdivisions)), ZScale*osgCos(ThetaNext)));
norms->addValue(Vec3f( 0.0,0.0,1.0));
}
}
GeoUInt32PropertyUnrecPtr lens = GeoUInt32Property::create();
lens->addValue(pnts->size());
GeometryRefPtr Terrain = Geometry::create();
Terrain->setTypes (type);
Terrain->setLengths (lens);
Terrain->setPositions(pnts);
Terrain->setNormals(norms);
calcVertexNormals(Terrain);
return Terrain;
}
void
OgreMeshReader::readSubMesh(SubMeshStore &subMeshInfo,
VertexElementStore &sharedVertexElements,
bool skelAnim )
{
OSG_OGRE_LOG(("OgreMeshReader::readSubMesh\n"));
subMeshInfo.push_back((SubMeshInfo()));
SubMeshInfo &smInfo = subMeshInfo.back();
smInfo.matName = readString(_is);
smInfo.sharedVertex = readBool (_is);
UInt32 idxCount = readUInt32(_is);
bool idx32Bit = readBool (_is);
OSG_OGRE_LOG(("OgreMeshReader::readSubMesh: matName '%s' sharedVert '%d' "
"idxCount '%d' idx32Bit '%d'\n",
smInfo.matName.c_str(), smInfo.sharedVertex, idxCount, idx32Bit));
smInfo.skelAnim = skelAnim;
smInfo.meshOp = SMO_TRIANGLE_LIST;
if(idx32Bit == true)
{
GeoUInt32PropertyUnrecPtr pi = GeoUInt32Property::create();
pi->resize(idxCount);
_is.read(reinterpret_cast<Char8 *>(&pi->editField().front()),
idxCount * sizeof(UInt32));
smInfo.propIdx = pi;
}
else
{
GeoUInt16PropertyUnrecPtr pi = GeoUInt16Property::create();
pi->resize(idxCount);
_is.read(reinterpret_cast<Char8 *>(&pi->editField().front()),
idxCount * sizeof(UInt16));
smInfo.propIdx = pi;
}
Int16 boneIdxVE = -1;
Int16 boneWeightVE = -1;
bool stop = false;
while(_is)
{
readChunkHeader(_is);
switch(_header.chunkId)
{
case CHUNK_GEOMETRY:
readGeometry(smInfo.vertexElements);
break;
case CHUNK_SUBMESH_OPERATION:
readSubMeshOperation(smInfo);
break;
case CHUNK_SUBMESH_BONE_ASSIGNMENT:
readSubMeshBoneAssignment(smInfo, boneIdxVE, boneWeightVE);
break;
case CHUNK_SUBMESH_TEXTURE_ALIAS:
readSubMeshTextureAlias();
break;
default:
OSG_OGRE_LOG(("OgreMeshReader::readSubMesh: Unknown chunkId '0x%x'\n",
_header.chunkId));
stop = true;
break;
};
if(stop == true)
{
skip(_is, -_chunkHeaderSize);
break;
}
}
if(boneIdxVE >= 0 || boneWeightVE >= 0)
{
verifyBoneAssignment(smInfo.vertexElements, boneIdxVE, boneWeightVE);
}
}
int main(int argc, char **argv)
{
// OSG init
osgInit(argc,argv);
// Set up Window
TutorialWindow = createNativeWindow();
TutorialWindow->initWindow();
TutorialWindow->setDisplayCallback(display);
TutorialWindow->setReshapeCallback(reshape);
//Add Window Listener
TutorialKeyListener TheKeyListener;
TutorialWindow->addKeyListener(&TheKeyListener);
TutorialMouseListener TheTutorialMouseListener;
TutorialMouseMotionListener TheTutorialMouseMotionListener;
TutorialWindow->addMouseListener(&TheTutorialMouseListener);
TutorialWindow->addMouseMotionListener(&TheTutorialMouseMotionListener);
// Create the SimpleSceneManager helper
mgr = new SimpleSceneManager;
// Tell the Manager what to manage
mgr->setWindow(TutorialWindow);
//Print key command info
std::cout << "\n\nKEY COMMANDS:" << std::endl;
std::cout << "space Play/Pause the animation" << std::endl;
std::cout << "B Show/Hide the bind pose skeleton" << std::endl;
std::cout << "SHIFT-B Show/Hide the bind pose mesh" << std::endl;
std::cout << "P Show/Hide the current pose skeleton" << std::endl;
std::cout << "SHIFT-P Show/Hide the current pose mesh" << std::endl;
std::cout << "CTRL-Q Exit\n\n" << std::endl;
//SkeletonDrawer System Material
LineChunkUnrecPtr ExampleLineChunk = LineChunk::create();
ExampleLineChunk->setWidth(2.0f);
ExampleLineChunk->setSmooth(true);
BlendChunkUnrecPtr ExampleBlendChunk = BlendChunk::create();
ExampleBlendChunk->setSrcFactor(GL_SRC_ALPHA);
ExampleBlendChunk->setDestFactor(GL_ONE_MINUS_SRC_ALPHA);
MaterialChunkUnrecPtr ExampleMaterialChunk = MaterialChunk::create();
ExampleMaterialChunk->setAmbient(Color4f(1.0f,1.0f,1.0f,1.0f));
ExampleMaterialChunk->setDiffuse(Color4f(0.0f,0.0f,0.0f,1.0f));
ExampleMaterialChunk->setSpecular(Color4f(0.0f,0.0f,0.0f,1.0f));
ChunkMaterialUnrecPtr ExampleMaterial = ChunkMaterial::create();
ExampleMaterial->addChunk(ExampleLineChunk);
ExampleMaterial->addChunk(ExampleMaterialChunk);
ExampleMaterial->addChunk(ExampleBlendChunk);
//Skeleton
ExampleSkeleton = SkeletonBlendedGeometry::create();
//===========================================Joints==================================================================
Matrix TempMat;
Matrix InvBind;
/*================================================================================================*/
/* Pelvis */
Pelvis = Joint::create(); //create a joint called Pelvis
TempMat.setTranslate(0.0,7.0,0.0);
Pelvis->setJointTransformation(TempMat);
NodeRecPtr PelvisNode = makeNodeFor(Pelvis);
InvBind = PelvisNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(Pelvis, InvBind);
setName(Pelvis, "Pelvis Joint");
setName(PelvisNode, "Pelvis Node");
/*================================================================================================*/
/* Clavicle */
Clavicle = Joint::create(); //create a joint called Clavicle
TempMat.setTranslate(0.0,5.0,0.0);
Clavicle->setJointTransformation(TempMat);
NodeRecPtr ClavicleNode = makeNodeFor(Clavicle);
PelvisNode->addChild(ClavicleNode);
InvBind = ClavicleNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(Clavicle, InvBind);
setName(Clavicle, "Clavicle Joint");
setName(ClavicleNode, "Clavicle Node");
/*================================================================================================*/
/* Left Shoulder */
LeftShoulder = Joint::create(); //create a joint called LeftShoulder
TempMat.setTranslate(1.0,-0.5,0.0);
LeftShoulder->setJointTransformation(TempMat);
NodeRecPtr LeftShoulderNode = makeNodeFor(LeftShoulder);
ClavicleNode->addChild(LeftShoulderNode);
InvBind = LeftShoulderNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(LeftShoulder, InvBind);
setName(LeftShoulder, "Left Shoulder Joint");
setName(LeftShoulderNode, "Left Shoulder Node");
/*================================================================================================*/
/* Left Elbow */
LeftElbow = Joint::create(); //create a joint called LeftElbow
TempMat.setTranslate(2.0,0.0,0.0);
LeftElbow->setJointTransformation(TempMat);
NodeRecPtr LeftElbowNode = makeNodeFor(LeftElbow);
LeftShoulderNode->addChild(LeftElbowNode);
InvBind = LeftElbowNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(LeftElbow, InvBind);
setName(LeftElbow, "Left Elbow Joint");
setName(LeftElbowNode, "Left Elbow Node");
/*================================================================================================*/
/* Left Hand */
LeftHand = Joint::create(); //create a joint called LeftHand
TempMat.setTranslate(2.0,0.0,0.0);
LeftHand->setJointTransformation(TempMat);
NodeRecPtr LeftHandNode = makeNodeFor(LeftHand);
LeftElbowNode->addChild(LeftHandNode);
InvBind = LeftHandNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(LeftHand, InvBind);
setName(LeftHand, "Left Hand Joint");
setName(LeftHandNode, "Left Hand Node");
/*================================================================================================*/
/* Left Fingers */
LeftFingers = Joint::create(); //create a joint called LeftFingers
TempMat.setTranslate(1.0,0.0,0.0);
LeftFingers->setJointTransformation(TempMat);
NodeRecPtr LeftFingersNode = makeNodeFor(LeftFingers);
LeftHandNode->addChild(LeftFingersNode);
InvBind = LeftFingersNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(LeftFingers, InvBind);
setName(LeftFingers, "Left Fingers Joint");
setName(LeftFingersNode, "Left Fingers Node");
/*================================================================================================*/
/* Right Shoulder */
RightShoulder = Joint::create(); //create a joint called RightShoulder
TempMat.setTranslate(-1.0,-0.5,0.0);
RightShoulder->setJointTransformation(TempMat);
NodeRecPtr RightShoulderNode = makeNodeFor(RightShoulder);
ClavicleNode->addChild(RightShoulderNode);
InvBind = RightShoulderNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(RightShoulder, InvBind);
setName(RightShoulder, "Right Shoulder Joint");
setName(RightShoulderNode, "Right Shoulder Node");
/*================================================================================================*/
/* Right Elbow */
RightElbow = Joint::create(); //create a joint called RightElbow
TempMat.setTranslate(-2.0,0.0,0.0);
RightElbow->setJointTransformation(TempMat);
NodeRecPtr RightElbowNode = makeNodeFor(RightElbow);
RightShoulderNode->addChild(RightElbowNode);
InvBind = RightElbowNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(RightElbow, InvBind);
setName(RightElbow, "Right Elbow Joint");
setName(RightElbowNode, "Right Elbow Node");
/*================================================================================================*/
/* Right Hand */
RightHand = Joint::create(); //create a joint called RightHand
TempMat.setTranslate(-2.0,0.0,0.0);
RightHand->setJointTransformation(TempMat);
NodeRecPtr RightHandNode = makeNodeFor(RightHand);
RightElbowNode->addChild(RightHandNode);
InvBind = RightHandNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(RightHand, InvBind);
setName(RightHand, "Right Hand Joint");
setName(RightHandNode, "Right Hand Node");
/*================================================================================================*/
/* Right Fingers */
RightFingers = Joint::create(); //create a joint called RightFingers
TempMat.setTranslate(-1.0,0.0,0.0);
RightFingers->setJointTransformation(TempMat);
NodeRecPtr RightFingersNode = makeNodeFor(RightFingers);
RightHandNode->addChild(RightFingersNode);
InvBind = RightFingersNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(RightFingers, InvBind);
setName(RightFingers, "Right Fingers Joint");
setName(RightFingersNode, "Right Fingers Node");
/*================================================================================================*/
/* Head */
Head = Joint::create(); //create a joint called Head
TempMat.setTranslate(0.0,1.0,0.0);
Head->setJointTransformation(TempMat);
NodeRecPtr HeadNode = makeNodeFor(Head);
ClavicleNode->addChild(HeadNode);
InvBind = HeadNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(Head, InvBind);
setName(Head, "Head Joint");
setName(HeadNode, "Head Node");
/*================================================================================================*/
/* Left Hip */
LeftHip = Joint::create(); //create a joint called LeftHip
TempMat.setTranslate(1.0,-1.0,0.0);
LeftHip->setJointTransformation(TempMat);
NodeRecPtr LeftHipNode = makeNodeFor(LeftHip);
PelvisNode->addChild(LeftHipNode);
InvBind = LeftHipNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(LeftHip, InvBind);
setName(LeftHip, "Left Hip Joint");
setName(LeftHipNode, "Left Hip Node");
/*================================================================================================*/
/* Left Knee */
LeftKnee = Joint::create(); //create a joint called LeftKnee
TempMat.setTranslate(0.0,-3.0,0.0);
LeftKnee->setJointTransformation(TempMat);
NodeRecPtr LeftKneeNode = makeNodeFor(LeftKnee);
LeftHipNode->addChild(LeftKneeNode);
InvBind = LeftKneeNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(LeftKnee, InvBind);
setName(LeftKnee, "Left Knee Joint");
setName(LeftKneeNode, "Left Knee Node");
/*================================================================================================*/
/* Left Foot */
LeftFoot = Joint::create(); //create a joint called LeftFoot
TempMat.setTranslate(0.0,-3.0,0.0);
LeftFoot->setJointTransformation(TempMat);
NodeRecPtr LeftFootNode = makeNodeFor(LeftFoot);
LeftKneeNode->addChild(LeftFootNode);
InvBind = LeftFootNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(LeftFoot, InvBind);
setName(LeftFoot, "Left Foot Joint");
setName(LeftFootNode, "Left Foot Node");
/*================================================================================================*/
/* Left Toes */
LeftToes = Joint::create(); //create a bone called ExampleChildbone
TempMat.setTranslate(0.0,0.0,1.0);
LeftToes->setJointTransformation(TempMat);
NodeRecPtr LeftToesNode = makeNodeFor(LeftToes);
LeftFootNode->addChild(LeftToesNode);
InvBind = LeftToesNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(LeftToes, InvBind);
setName(LeftToes, "Left Toes Joint");
setName(LeftToesNode, "Left Toes Node");
/*================================================================================================*/
/* Right Hip */
RightHip = Joint::create(); //create a joint called RightHip
TempMat.setTranslate(-1.0,-1.0,0.0);
RightHip->setJointTransformation(TempMat);
NodeRecPtr RightHipNode = makeNodeFor(RightHip);
PelvisNode->addChild(RightHipNode);
InvBind = RightHipNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(RightHip, InvBind);
setName(RightHip, "Right Hip Joint");
setName(RightHipNode, "Right Hip Node");
/*================================================================================================*/
/* Right Knee */
RightKnee = Joint::create(); //create a joint called RightKnee
TempMat.setTranslate(0.0,-3.0,0.0);
RightKnee->setJointTransformation(TempMat);
NodeRecPtr RightKneeNode = makeNodeFor(RightKnee);
RightHipNode->addChild(RightKneeNode);
InvBind = RightKneeNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(RightKnee, InvBind);
setName(RightKnee, "Right Knee Joint");
setName(RightKneeNode, "Right Knee Node");
/*================================================================================================*/
/* Right Foot */
RightFoot = Joint::create(); //create a joint called RightFoot
TempMat.setTranslate(0.0,-3.0,0.0);
RightFoot->setJointTransformation(TempMat);
NodeRecPtr RightFootNode = makeNodeFor(RightFoot);
RightKneeNode->addChild(RightFootNode);
InvBind = RightFootNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(RightFoot, InvBind);
setName(RightFoot, "Right Foot Joint");
setName(RightFootNode, "Right Foot Node");
/*================================================================================================*/
/* Right Toes */
RightToes = Joint::create(); //create a joint called RightToes
TempMat.setTranslate(0.0,0.0,1.0);
RightToes->setJointTransformation(TempMat);
NodeRecPtr RightToesNode = makeNodeFor(RightToes);
RightFootNode->addChild(RightToesNode);
InvBind = RightToesNode->getToWorld();
InvBind.invert();
ExampleSkeleton->pushToJoints(RightToes, InvBind);
setName(RightToes, "Right Toes Joint");
setName(RightToesNode, "Right Toes Node");
//Create a geometry to attach to the skeleton (i.e-> skin)
GeoUInt8PropertyUnrecPtr type = GeoUInt8Property::create();
type->push_back(GL_QUADS);
GeoUInt32PropertyUnrecPtr lens = GeoUInt32Property::create();
lens->push_back(72);
GeoPnt3fPropertyUnrecPtr pnts = GeoPnt3fProperty ::create();
// the points of the Quads
//Back
pnts->push_back(Pnt3f(-0.5, 6.0, 0));
pnts->push_back(Pnt3f( 0.5, 6.0, 0));
pnts->push_back(Pnt3f( 0.5, 12.0, 0));
pnts->push_back(Pnt3f(-0.5, 12.0, 0));
//Head
pnts->push_back(Pnt3f(-0.5, 12, 0));
pnts->push_back(Pnt3f( 0.5, 12, 0));
pnts->push_back(Pnt3f( 0.5, 13, 0));
pnts->push_back(Pnt3f(-0.5, 13, 0));
//Left Shoulder
pnts->push_back(Pnt3f(0.0, 11.5, 0));
pnts->push_back(Pnt3f(0.0, 12.5, 0));
pnts->push_back(Pnt3f(1.0, 12.0, 0));
pnts->push_back(Pnt3f(1.0, 11.0, 0));
//Left Humerus
pnts->push_back(Pnt3f(1.0, 11.0, 0));
pnts->push_back(Pnt3f(1.0, 12.0, 0));
pnts->push_back(Pnt3f(3.0, 12.0, 0));
pnts->push_back(Pnt3f(3.0, 11.0, 0));
//Left Radius
pnts->push_back(Pnt3f(3.0, 11.0, 0));
pnts->push_back(Pnt3f(3.0, 12.0, 0));
pnts->push_back(Pnt3f(5.0, 12.0, 0));
pnts->push_back(Pnt3f(5.0, 11.0, 0));
//Left Hand
pnts->push_back(Pnt3f(5.0, 11.0, 0));
pnts->push_back(Pnt3f(5.0, 12.0, 0));
pnts->push_back(Pnt3f(6.0, 12.0, 0));
pnts->push_back(Pnt3f(6.0, 11.0, 0));
//Right Shoulder
pnts->push_back(Pnt3f(0.0, 11.5, 0));
pnts->push_back(Pnt3f(0.0, 12.5, 0));
pnts->push_back(Pnt3f(-1.0, 12.0, 0));
pnts->push_back(Pnt3f(-1.0, 11.0, 0));
//Right Humerus
pnts->push_back(Pnt3f(-1.0, 11.0, 0));
pnts->push_back(Pnt3f(-1.0, 12.0, 0));
pnts->push_back(Pnt3f(-3.0, 12.0, 0));
pnts->push_back(Pnt3f(-3.0, 11.0, 0));
//Right Radius
pnts->push_back(Pnt3f(-3.0, 11.0, 0));
pnts->push_back(Pnt3f(-3.0, 12.0, 0));
pnts->push_back(Pnt3f(-5.0, 12.0, 0));
pnts->push_back(Pnt3f(-5.0, 11.0, 0));
//Right Hand
pnts->push_back(Pnt3f(-5.0, 11.0, 0));
pnts->push_back(Pnt3f(-5.0, 12.0, 0));
pnts->push_back(Pnt3f(-6.0, 12.0, 0));
pnts->push_back(Pnt3f(-6.0, 11.0, 0));
//Left Hip
pnts->push_back(Pnt3f(0.0, 6.5, 0));
pnts->push_back(Pnt3f(0.5, 7.5, 0));
pnts->push_back(Pnt3f( 1.5, 6.0, 0));
pnts->push_back(Pnt3f(0.5, 6.0, 0));
//Left Femur
pnts->push_back(Pnt3f(0.5, 6.0, 0));
pnts->push_back(Pnt3f( 1.5, 6.0, 0));
pnts->push_back(Pnt3f( 1.5, 3.0, 0));
pnts->push_back(Pnt3f(0.5, 3.0, 0));
//Left Tibia
pnts->push_back(Pnt3f(0.5, 3.0, 0));
pnts->push_back(Pnt3f( 1.5, 3.0, 0));
pnts->push_back(Pnt3f( 1.5, 0.0, 0));
pnts->push_back(Pnt3f(0.5, 0.0, 0));
//Left Foot
pnts->push_back(Pnt3f(0.5, 0.0, 0));
pnts->push_back(Pnt3f( 1.5, 0.0, 0));
pnts->push_back(Pnt3f( 1.5, 0.0, 1.0));
pnts->push_back(Pnt3f(0.5, 0.0, 1.0));
//Right Hip
pnts->push_back(Pnt3f(0.0, 6.5, 0));
pnts->push_back(Pnt3f(-0.5, 7.5, 0));
pnts->push_back(Pnt3f( -1.5, 6.0, 0));
pnts->push_back(Pnt3f(-0.5, 6.0, 0));
//Right Femur
pnts->push_back(Pnt3f(-0.5, 6.0, 0));
pnts->push_back(Pnt3f( -1.5, 6.0, 0));
pnts->push_back(Pnt3f( -1.5, 3.0, 0));
pnts->push_back(Pnt3f(-0.5, 3.0, 0));
//Right Tibia
pnts->push_back(Pnt3f(-0.5, 3.0, 0));
pnts->push_back(Pnt3f( -1.5, 3.0, 0));
pnts->push_back(Pnt3f( -1.5, 0.0, 0));
pnts->push_back(Pnt3f(-0.5, 0.0, 0));
//Right Foot
pnts->push_back(Pnt3f(-0.5, 0.0, 0));
pnts->push_back(Pnt3f( -1.5, 0.0, 0));
pnts->push_back(Pnt3f( -1.5, 0.0, 1.0));
pnts->push_back(Pnt3f(-0.5, 0.0, 1.0));
//Normals
GeoVec3fPropertyUnrecPtr norms = GeoVec3fProperty ::create();
geo=Geometry::create();
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
//Left Hip
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
//Left Femur
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
//Left Tibia
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
//Left Foot
norms->push_back(Vec3f( 0.0,1.0,0.0));
norms->push_back(Vec3f( 0.0,1.0,0.0));
norms->push_back(Vec3f( 0.0,1.0,0.0));
norms->push_back(Vec3f( 0.0,1.0,0.0));
//Right Hip
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
//Right Femur
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
//Right Tibia
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
norms->push_back(Vec3f( 0.0,0.0,1.0));
//Right Foot
norms->push_back(Vec3f( 0.0,1.0,0.0));
norms->push_back(Vec3f( 0.0,1.0,0.0));
norms->push_back(Vec3f( 0.0,1.0,0.0));
norms->push_back(Vec3f( 0.0,1.0,0.0));
//Tell the geometry (geo) to use the points and normals we just defined
geo->setTypes (type);
geo->setLengths (lens);
geo->setPositions(pnts);
geo->setNormals(norms);
// assign a material to the geometry to make it visible. The details
// of materials are defined later.
geo->setMaterial(getDefaultMaterial());
//Create unbound geometry node (for displaying mesh in its bind pose)
UnboundGeometry = Node::create();
UnboundGeometry->setCore(geo);
UnboundGeometry->setTravMask(0); //By default, we won't show the mesh's bind pose
//SkeletonDrawer
SkeletonDrawableUnrecPtr ExampleSkeletonDrawable = SkeletonDrawable::create();
ExampleSkeletonDrawable->setSkeleton(ExampleSkeleton);
ExampleSkeletonDrawable->setMaterial(ExampleMaterial);
ExampleSkeletonDrawable->setDrawBindPose(false); //By default, we don't draw the skeleton's bind pose
ExampleSkeletonDrawable->setBindPoseColor(Color4f(0.0, 1.0, 0.0, 1.0)); //When drawn, the skeleton's bind pose renders green
ExampleSkeletonDrawable->setDrawPose(true); //By default, we do draw the skeleton's current pose
ExampleSkeletonDrawable->setPoseColor(Color4f(0.0, 0.0, 1.0, 1.0)); //The skeleton's current pose renders blue
//Skeleton Node
SkeletonNode = Node::create();
SkeletonNode->setCore(ExampleSkeletonDrawable);
// Skeleton Blended Geometry
// Here we are attaching the "skin" to the skeleton so that when the skeleton is animated, the skin moves with it
ExampleSkeleton->setBaseGeometry(geo);
//Back
ExampleSkeleton->addJointBlending(0,Pelvis,1.0f);
ExampleSkeleton->addJointBlending(1,Pelvis,1.0f);
ExampleSkeleton->addJointBlending(2,Clavicle,1.0f);
ExampleSkeleton->addJointBlending(3,Clavicle,1.0f);
//Head
ExampleSkeleton->addJointBlending(4,Clavicle,1.0f);
ExampleSkeleton->addJointBlending(5,Clavicle,1.0f);
ExampleSkeleton->addJointBlending(6,Head,1.0f);
ExampleSkeleton->addJointBlending(7,Head,1.0f);
//Left Shoulder
ExampleSkeleton->addJointBlending(8,Clavicle,1.0f);
ExampleSkeleton->addJointBlending(9,Clavicle,1.0f);
ExampleSkeleton->addJointBlending(10,LeftShoulder,1.0f);
ExampleSkeleton->addJointBlending(11,LeftShoulder,1.0f);
//Left Humerus
ExampleSkeleton->addJointBlending(12,LeftShoulder,1.0f);
ExampleSkeleton->addJointBlending(13,LeftShoulder,1.0f);
ExampleSkeleton->addJointBlending(14,LeftElbow,0.8f);
ExampleSkeleton->addJointBlending(15,LeftElbow,0.8f);
ExampleSkeleton->addJointBlending(14,LeftHand,0.2f);
ExampleSkeleton->addJointBlending(15,LeftHand,0.2f);
//Left Radius
ExampleSkeleton->addJointBlending(16,LeftElbow,1.0f);
ExampleSkeleton->addJointBlending(17,LeftElbow,1.0f);
ExampleSkeleton->addJointBlending(18,LeftHand,1.0f);
ExampleSkeleton->addJointBlending(19,LeftHand,1.0f);
//Left Hand
ExampleSkeleton->addJointBlending(20,LeftHand,1.0f);
ExampleSkeleton->addJointBlending(21,LeftHand,1.0f);
ExampleSkeleton->addJointBlending(22,LeftFingers,1.0f);
ExampleSkeleton->addJointBlending(23,LeftFingers,1.0f);
//Right Shoulder
ExampleSkeleton->addJointBlending(24,Clavicle,1.0f);
ExampleSkeleton->addJointBlending(25,Clavicle,1.0f);
ExampleSkeleton->addJointBlending(26,RightShoulder,1.0f);
ExampleSkeleton->addJointBlending(27,RightShoulder,1.0f);
//Right Humerus
ExampleSkeleton->addJointBlending(28,RightShoulder,1.0f);
ExampleSkeleton->addJointBlending(29,RightShoulder,1.0f);
ExampleSkeleton->addJointBlending(30,RightElbow,1.0f);
ExampleSkeleton->addJointBlending(31,RightElbow,1.0f);
//Right Radius
ExampleSkeleton->addJointBlending(32,RightElbow,1.0f);
ExampleSkeleton->addJointBlending(33,RightElbow,1.0f);
ExampleSkeleton->addJointBlending(34,RightHand,1.0f);
ExampleSkeleton->addJointBlending(35,RightHand,1.0f);
//Right Hand
ExampleSkeleton->addJointBlending(36,RightHand,1.0f);
ExampleSkeleton->addJointBlending(37,RightHand,1.0f);
ExampleSkeleton->addJointBlending(38,RightFingers,1.0f);
ExampleSkeleton->addJointBlending(39,RightFingers,1.0f);
//Left Hip
ExampleSkeleton->addJointBlending(40,Pelvis,1.0f);
ExampleSkeleton->addJointBlending(41,Pelvis,1.0f);
ExampleSkeleton->addJointBlending(42,LeftHip,1.0f);
ExampleSkeleton->addJointBlending(43,LeftHip,1.0f);
//Left Femur
ExampleSkeleton->addJointBlending(44,LeftHip,1.0f);
ExampleSkeleton->addJointBlending(45,LeftHip,1.0f);
ExampleSkeleton->addJointBlending(46,LeftKnee,1.0f);
ExampleSkeleton->addJointBlending(47,LeftKnee,1.0f);
//Left Tibia
ExampleSkeleton->addJointBlending(48,LeftKnee,1.0f);
ExampleSkeleton->addJointBlending(49,LeftKnee,1.0f);
ExampleSkeleton->addJointBlending(50,LeftFoot,1.0f);
ExampleSkeleton->addJointBlending(51,LeftFoot,1.0f);
//Left Foot
ExampleSkeleton->addJointBlending(52,LeftFoot,1.0f);
ExampleSkeleton->addJointBlending(53,LeftFoot,1.0f);
ExampleSkeleton->addJointBlending(54,LeftToes,1.0f);
ExampleSkeleton->addJointBlending(55,LeftToes,1.0f);
//Right Hip
ExampleSkeleton->addJointBlending(56,Pelvis,1.0f);
ExampleSkeleton->addJointBlending(57,Pelvis,1.0f);
ExampleSkeleton->addJointBlending(58,RightHip,1.0f);
ExampleSkeleton->addJointBlending(59,RightHip,1.0f);
//Right Femur
ExampleSkeleton->addJointBlending(60,RightHip,1.0f);
ExampleSkeleton->addJointBlending(61,RightHip,1.0f);
ExampleSkeleton->addJointBlending(62,RightKnee,1.0f);
ExampleSkeleton->addJointBlending(63,RightKnee,1.0f);
//Right Tibia
ExampleSkeleton->addJointBlending(64,RightKnee,1.0f);
ExampleSkeleton->addJointBlending(65,RightKnee,1.0f);
ExampleSkeleton->addJointBlending(66,RightFoot,1.0f);
ExampleSkeleton->addJointBlending(67,RightFoot,1.0f);
//Right Foot
ExampleSkeleton->addJointBlending(68,RightFoot,1.0f);
ExampleSkeleton->addJointBlending(69,RightFoot,1.0f);
ExampleSkeleton->addJointBlending(70,RightToes,1.0f);
ExampleSkeleton->addJointBlending(71,RightToes,1.0f);
MeshNode = Node::create();
MeshNode->setCore(ExampleSkeleton);
//Create scene node
NodeUnrecPtr scene = Node::create();
scene->setCore(Group::create());
scene->addChild(UnboundGeometry);
scene->addChild(SkeletonNode);
scene->addChild(MeshNode);
mgr->setRoot(scene);
//Setup the Animation
setupAnimation();
//Save to an xml file
FCFileType::FCPtrStore Containers;
Containers.insert(ExampleSkeleton);
Containers.insert(PelvisNode);
Containers.insert(TheSkeletonAnimation);
//Use an empty Ignore types vector
FCFileType::FCTypeVector IgnoreTypes;
//IgnoreTypes.push_back(Node::getClassType().getId());
//Write the Field Containers to a xml file
FCFileHandler::the()->write(Containers,BoostPath("./13Output.xml"),IgnoreTypes);
// Show the whole Scene
mgr->showAll();
//Open Window
Vec2f WinSize(TutorialWindow->getDesktopSize() * 0.85f);
Pnt2f WinPos((TutorialWindow->getDesktopSize() - WinSize) *0.5);
TutorialWindow->openWindow(WinPos,
WinSize,
"13MeshBlending");
//Main Loop
TutorialWindow->mainLoop();
osgExit();
return 0;
}
void
OgreMeshReader::constructSubMesh(SubMeshInfo &smInfo,
VertexElementStore &vertexElements)
{
OSG_OGRE_LOG(("OgreMeshReader::constructSubMesh: meshName '%s'"
"matName '%s'\n",
smInfo.name.c_str(), smInfo.matName.c_str()));
if(smInfo.skelAnim == true)
{
smInfo.mesh = SkinnedGeometry::create();
}
else
{
smInfo.mesh = Geometry::create();
}
smInfo.meshN = makeNodeFor(smInfo.mesh);
smInfo.meshN->editSFVolume()->setValue(_rootN->getVolume());
setName(smInfo.meshN, smInfo.name);
UInt16 nextIdx = Geometry::TexCoordsIndex;
for(UInt32 i = 0; i < vertexElements.size(); ++i)
{
Int32 usage = -1;
Int16 propSlot = -1;
switch(vertexElements[i].semantic)
{
case VES_POSITION:
usage = GeoProperty::UsageObjectSpace;
propSlot = Geometry::PositionsIndex;
break;
case VES_BLEND_WEIGHTS:
case VES_BLEND_INDICES:
case VES_TEXTURE_COORDINATES:
usage = GeoProperty::UsageParameterSpace;
propSlot = nextIdx++;
break;
case VES_BINORMAL:
case VES_TANGENT:
usage = GeoProperty::UsageTangentSpace;
propSlot = nextIdx++;
break;
case VES_NORMAL:
usage = GeoProperty::UsageTangentSpace;
propSlot = Geometry::NormalsIndex;
break;
case VES_DIFFUSE:
usage = GeoProperty::UsageColorSpace;
propSlot = Geometry::ColorsIndex;
break;
case VES_SPECULAR:
usage = GeoProperty::UsageColorSpace;
propSlot = Geometry::SecondaryColorsIndex;
break;
}
if(usage >= 0)
{
vertexElements[i].prop->setUsage(usage);
}
if(propSlot >= 0)
{
OSG_OGRE_LOG(("OgreMeshReader::constructSubMesh: vertex elem semantic '%s'"
" using property '%u'\n",
getVertexElementSemanticString(vertexElements[i].semantic).c_str(),
propSlot));
smInfo.mesh->setProperty(vertexElements[i].prop, propSlot);
smInfo.mesh->setIndex (smInfo.propIdx, propSlot);
}
else
{
SWARNING << "OgreMeshReader::constructSubMesh: no property slot found for "
<< "vertex elem semantic '"
<< getVertexElementSemanticString(vertexElements[i].semantic)
<< "'. Skipping." << std::endl;
}
if(vertexElements[i].semantic == VES_BLEND_INDICES)
{
SkinnedGeometry* skin =
dynamic_pointer_cast<SkinnedGeometry>(smInfo.mesh);
skin->setJointIndexProperty(propSlot);
}
if(vertexElements[i].semantic == VES_BLEND_WEIGHTS)
{
SkinnedGeometry* skin =
dynamic_pointer_cast<SkinnedGeometry>(smInfo.mesh);
skin->setJointWeightProperty(propSlot);
}
}
GeoUInt8PropertyUnrecPtr types = GeoUInt8Property::create();
switch(smInfo.meshOp)
{
case SMO_POINT_LIST:
types->addValue(GL_POINTS);
break;
case SMO_LINE_LIST:
types->addValue(GL_LINES);
break;
case SMO_LINE_STRIP:
types->addValue(GL_LINE_STRIP);
break;
case SMO_TRIANGLE_LIST:
types->addValue(GL_TRIANGLES);
break;
case SMO_TRIANGLE_STRIP:
types->addValue(GL_TRIANGLE_STRIP);
break;
case SMO_TRIANGLE_FAN:
types->addValue(GL_TRIANGLE_FAN);
break;
}
GeoUInt32PropertyUnrecPtr lengths = GeoUInt32Property::create();
lengths->addValue(smInfo.propIdx->size());
smInfo.mesh->setTypes (types);
smInfo.mesh->setLengths(lengths);
constructMaterial(smInfo);
if(smInfo.skelAnim == true && _skel != NULL)
{
SkinnedGeometry* skin = dynamic_pointer_cast<SkinnedGeometry>(smInfo.mesh);
if(skin != NULL)
{
skin->setSkeleton (_skel);
skin->setRenderMode(SkinnedGeometry::RMSkeleton);
}
}
_rootN->addChild(smInfo.meshN);
}
//----------------------------------------------------------------------
// Fills a geometry with a new text
// Author: afischle, pdaehne
//----------------------------------------------------------------------
void TextVectorFace::fillGeo(Geometry *geoPtr, const TextLayoutResult &layoutResult,
Real32 scale, Real32 depth, UInt32 level,
Real32 creaseAngle)
{
// cast the field containers down to the needed type and create them
// when they have the wrong type
GeoPnt3fPropertyUnrecPtr posPtr =
dynamic_cast<GeoPnt3fProperty *>(geoPtr->getPositions());
if (posPtr == NULL)
{
posPtr = GeoPnt3fProperty::create();
geoPtr->setPositions(posPtr);
}
else
posPtr->clear();
GeoVec3fPropertyUnrecPtr normalsPtr =
dynamic_cast<GeoVec3fProperty *>(geoPtr->getNormals());
if (normalsPtr == NULL)
{
normalsPtr = GeoVec3fProperty::create();
geoPtr->setNormals(normalsPtr);
}
else
normalsPtr->clear();
GeoVec2fPropertyUnrecPtr texPtr =
dynamic_cast<GeoVec2fProperty *>(geoPtr->getTexCoords());
if (texPtr == NULL)
{
texPtr = GeoVec2fProperty::create();
geoPtr->setTexCoords(texPtr);
}
else
texPtr->clear();
GeoUInt32PropertyUnrecPtr lensPtr =
dynamic_cast<GeoUInt32Property *>(geoPtr->getLengths());
if (lensPtr == NULL)
{
lensPtr = GeoUInt32Property::create();
geoPtr->setLengths(lensPtr);
}
else
lensPtr->clear();
GeoUInt32PropertyUnrecPtr posIndicesPtr =
dynamic_cast<GeoUInt32Property *>(
geoPtr->getIndex(Geometry::PositionsIndex));
if (posIndicesPtr == NULL)
{
posIndicesPtr = GeoUInt32Property::create();
geoPtr->setIndex(posIndicesPtr, Geometry::PositionsIndex);
}
else
posIndicesPtr->clear();
GeoUInt32PropertyUnrecPtr normalIndicesPtr =
dynamic_cast<GeoUInt32Property *>(
geoPtr->getIndex(Geometry::NormalsIndex));
if (normalIndicesPtr == NULL)
{
normalIndicesPtr = GeoUInt32Property::create();
geoPtr->setIndex(normalIndicesPtr, Geometry::NormalsIndex);
}
else
normalIndicesPtr->clear();
GeoUInt32PropertyUnrecPtr texCoordIndicesPtr =
dynamic_cast<GeoUInt32Property *>(
geoPtr->getIndex(Geometry::TexCoordsIndex));
if (texCoordIndicesPtr == NULL)
{
texCoordIndicesPtr = GeoUInt32Property::create();
geoPtr->setIndex(texCoordIndicesPtr, Geometry::TexCoordsIndex);
}
else
texCoordIndicesPtr->clear();
GeoUInt8PropertyUnrecPtr typesPtr =
dynamic_cast<GeoUInt8Property *>(geoPtr->getTypes());
if (typesPtr == NULL)
{
typesPtr = GeoUInt8Property::create();
geoPtr->setTypes(typesPtr);
}
else
typesPtr->clear();
geoPtr->setColors(NULL);
geoPtr->setSecondaryColors(NULL);
geoPtr->setTexCoords1(NULL);
geoPtr->setTexCoords2(NULL);
geoPtr->setTexCoords3(NULL);
UInt32 numGlyphs = layoutResult.getNumGlyphs();
if (numGlyphs == 0)
{
return;
}
// the interleaved multi-index blocks have the layout
// Position | Normal | TexCoord
/*
geoPtr->getIndexMapping().push_back(Geometry::MapPosition);
geoPtr->getIndexMapping().push_back(Geometry::MapNormal);
geoPtr->getIndexMapping().push_back(Geometry::MapTexCoords);
*/
// store the normal for the front face
normalsPtr->push_back(Vec3f(0.f, 0.f, 1.f));
if (depth > 0.f)
// store the normal for the back face
normalsPtr->push_back(Vec3f(0.f, 0.f, -1.f));
UInt32 i;
for (i = 0; i < numGlyphs; ++i)
{
const TextVectorGlyph &glyph = getVectorGlyph(layoutResult.indices[i]);
const TextVectorGlyph::PolygonOutline &outline = glyph.getLines(level);
const Vec2f &pos = layoutResult.positions[i];
// add the front face to the geometry
// store positions and texture coordinates
UInt32 coordOffset = posPtr->size();
UInt32 texCoordOffset = texPtr->size();
Real32 coordZ = 0.5f * depth;
vector<Vec2f>::const_iterator cIt;
for (cIt = outline.coords.begin(); cIt != outline.coords.end(); ++cIt)
{
Vec2f coord = *cIt + pos;
Vec2f texCoord = coord;
coord *= scale;
posPtr->push_back(Vec3f(coord.x(), coord.y(), coordZ));
texCoord -= layoutResult.positions.front();
texPtr->push_back(texCoord);
}
// Store types, lengths and indices
vector<TextVectorGlyph::PolygonOutline::TypeIndex>::const_iterator tIt;
UInt32 indexBegin = 0, indexEnd;
for (tIt = outline.types.begin(); tIt != outline.types.end(); ++tIt)
{
typesPtr->push_back(tIt->first);
indexEnd = tIt->second;
OSG_ASSERT(indexEnd >= indexBegin);
lensPtr->push_back(indexEnd - indexBegin);
UInt32 i;
for (i = indexBegin; i < indexEnd; ++i)
{
// the interleaved multi-index blocks have the layout
// Position | Normal | TexCoord
OSG_ASSERT(i < outline.indices.size());
UInt32 index = outline.indices[i];
OSG_ASSERT(coordOffset + index < posPtr->size());
posIndicesPtr->push_back(coordOffset + index);
normalIndicesPtr->push_back(0);
OSG_ASSERT(texCoordOffset + index < texPtr->size());
texCoordIndicesPtr->push_back(texCoordOffset + index);
}
indexBegin = indexEnd;
}
// add the back and side faces only if depth > 0
if (depth > 0.f)
{
// add the back face to the geometry
// store positions
// No need to store texture coordinates - we reuse the
// texture coordinates from the front side
UInt32 backCoordOffset = posPtr->size();
coordZ = -0.5f * depth;
for (cIt = outline.coords.begin(); cIt != outline.coords.end(); ++cIt)
{
Vec2f coord = *cIt + pos;
coord *= scale;
posPtr->push_back(Vec3f(coord.x(), coord.y(), coordZ));
}
// Store types, lengths and indices
// We have to flip all triangles to enable correct backface culling.
// For GL_TRIANGLES, we simply flip the vertices.
// For GL_TRIANGLE_FANs, we leave the first vertex at its place and flip the
// remaining vertices.
// For GL_TRIANGLE_STRIPs, things are more complicated. When the number of
// vertices is uneven, we simply flip the vertices. When the number of
// vertices is even, we have to add an additional vertex before we flip the
// vertices.
vector<TextVectorGlyph::PolygonOutline::TypeIndex>::const_iterator tIt;
UInt32 indexBegin = 0, indexEnd;
for (tIt = outline.types.begin(); tIt != outline.types.end(); ++tIt)
{
typesPtr->push_back(tIt->first);
indexEnd = tIt->second;
OSG_ASSERT(indexEnd >= indexBegin);
UInt32 len = indexEnd - indexBegin;
UInt32 i = indexEnd;
if (tIt->first == GL_TRIANGLE_FAN)
{
i = indexBegin;
++indexBegin;
}
if ((tIt->first == GL_TRIANGLE_STRIP) && ((len & 1) == 0))
{
OSG_ASSERT((indexEnd >= 2) && (indexEnd - 2 >= indexBegin));
i = indexEnd - 2;
++len;
}
if (i != indexEnd)
{
// the interleaved multi-index blocks have the layout
// Position | Normal | TexCoord
OSG_ASSERT(i < outline.indices.size());
UInt32 index = outline.indices[i];
OSG_ASSERT(backCoordOffset + index < posPtr->size());
posIndicesPtr->push_back(backCoordOffset + index);
normalIndicesPtr->push_back(1);
OSG_ASSERT(texCoordOffset + index < texPtr->size());
texCoordIndicesPtr->push_back(texCoordOffset + index);
i = indexEnd;
}
lensPtr->push_back(len);
while (true)
{
if (i <= indexBegin)
break;
--i;
// the interleaved multi-index blocks have the layout
// Position | Normal | TexCoord
OSG_ASSERT(i < outline.indices.size());
UInt32 index = outline.indices[i];
OSG_ASSERT(backCoordOffset + index < posPtr->size());
posIndicesPtr->push_back(backCoordOffset + index);
normalIndicesPtr->push_back(1);
OSG_ASSERT(texCoordOffset + index < texPtr->size());
texCoordIndicesPtr->push_back(texCoordOffset + index);
}
indexBegin = indexEnd;
}
// Add the side faces to the geometry
const TextVectorGlyph::Normals &normals = glyph.getNormals(level);
// construct the multi index
UInt32 start = 0, end, index = 0;
vector<UInt32>::const_iterator iIt;
vector<TextVectorGlyph::Orientation>::const_iterator oriIt = glyph.getContourOrientations().begin();
for (iIt = outline.contours.begin(); iIt != outline.contours.end(); ++iIt, ++oriIt)
{
OSG_ASSERT(oriIt != glyph.getContourOrientations().end());
UInt32 contourCoordOffset, contourBackCoordOffset;
if (*oriIt == TextVectorGlyph::CCW)
{
contourCoordOffset = coordOffset;
contourBackCoordOffset = backCoordOffset;
}
else
{
contourCoordOffset = backCoordOffset;
contourBackCoordOffset = coordOffset;
}
end = *iIt;
// the side faces are stored as quads
GLenum mode = GL_QUAD_STRIP;
UInt32 len = 0;
UInt32 coordIndex, backCoordIndex;
UInt32 normalOffset, startNormalOffset = normalsPtr->size();
for (index = start; index < end; ++index)
{
normalOffset = normalsPtr->size() - 1;
OSG_ASSERT(index < normals.size());
if (normals[index].edgeAngle > creaseAngle)
{
// We have an edge with two normals, so we need to
// add the vertices twice, but with different normals
// - but only when this is not the start index
if (index > start)
{
if ((mode == GL_QUAD_STRIP) && (len > 2))
{
typesPtr->push_back(GL_QUAD_STRIP);
OSG_ASSERT(((len + 2) & 1) == 0);
lensPtr->push_back(len + 2);
len = 0;
coordIndex = contourCoordOffset + index;
backCoordIndex = contourBackCoordOffset + index;
}
else
{
mode = GL_QUADS;
len += 2;
coordIndex = contourBackCoordOffset + index;
backCoordIndex = contourCoordOffset + index;
}
// back
OSG_ASSERT(backCoordIndex < posPtr->size());
posIndicesPtr->push_back(backCoordIndex);
OSG_ASSERT(normalOffset < normalsPtr->size());
normalIndicesPtr->push_back(normalOffset);
OSG_ASSERT(texCoordOffset + index < texPtr->size());
texCoordIndicesPtr->push_back(texCoordOffset + index);
// front
OSG_ASSERT(coordIndex < posPtr->size());
posIndicesPtr->push_back(coordIndex);
OSG_ASSERT(normalOffset < normalsPtr->size());
normalIndicesPtr->push_back(normalOffset);
OSG_ASSERT(texCoordOffset + index < texPtr->size());
texCoordIndicesPtr->push_back(texCoordOffset + index);
}
const Vec2f &normal = normals[index].nextEdgeNormal;
normalsPtr->push_back(Vec3f(normal.x(), normal.y(), 0.f));
}
else
{
if (mode == GL_QUADS)
{
typesPtr->push_back(GL_QUADS);
mode = GL_QUAD_STRIP;
OSG_ASSERT(len >= 6);
OSG_ASSERT(((len - 2) & 3) == 0);
lensPtr->push_back(len - 2);
len = 2;
}
const Vec2f &normal = normals[index].meanEdgeNormal;
normalsPtr->push_back(Vec3f(normal.x(), normal.y(), 0.f));
}
++normalOffset;
// back
OSG_ASSERT(contourBackCoordOffset + index < posPtr->size());
posIndicesPtr->push_back(contourBackCoordOffset + index);
OSG_ASSERT(normalOffset < normalsPtr->size());
normalIndicesPtr->push_back(normalOffset);
OSG_ASSERT(texCoordOffset + index < texPtr->size());
texCoordIndicesPtr->push_back(texCoordOffset + index);
// front
OSG_ASSERT(contourCoordOffset + index < posPtr->size());
posIndicesPtr->push_back(contourCoordOffset + index);
OSG_ASSERT(normalOffset < normalsPtr->size());
normalIndicesPtr->push_back(normalOffset);
OSG_ASSERT(texCoordOffset + index < texPtr->size());
texCoordIndicesPtr->push_back(texCoordOffset + index);
len += 2;
}
// We have to close the strip, so add the start vertices again
if (normals[start].edgeAngle <= creaseAngle)
normalOffset = startNormalOffset;
if (mode == GL_QUAD_STRIP)
{
coordIndex = contourCoordOffset + start;
backCoordIndex = contourBackCoordOffset + start;
}
else
{
coordIndex = contourBackCoordOffset + start;
backCoordIndex = contourCoordOffset + start;
}
// back
OSG_ASSERT(backCoordIndex < posPtr->size());
posIndicesPtr->push_back(backCoordIndex);
OSG_ASSERT(normalOffset < normalsPtr->size());
normalIndicesPtr->push_back(normalOffset);
OSG_ASSERT(texCoordOffset + start < texPtr->size());
texCoordIndicesPtr->push_back(texCoordOffset + start);
// front
OSG_ASSERT(coordIndex < posPtr->size());
posIndicesPtr->push_back(coordIndex);
OSG_ASSERT(normalOffset < normalsPtr->size());
normalIndicesPtr->push_back(normalOffset);
OSG_ASSERT(texCoordOffset + start < texPtr->size());
texCoordIndicesPtr->push_back(texCoordOffset + start);
len += 2;
// store the number of multi index blocks
typesPtr->push_back(mode);
OSG_ASSERT((mode != GL_QUADS) || ((len & 3) == 0));
OSG_ASSERT((mode != GL_QUAD_STRIP) || ((len & 1) == 0));
lensPtr->push_back(len);
start = end;
}
}
}
}
