void
OgreMeshReader::readMeshLODUsage(void)
{
OSG_OGRE_LOG(("OgreMeshReader::readMeshLODUsage\n"));
//Real32 lodValue
readReal32(_is);
bool stop = false;
while(_is)
{
readChunkHeader(_is);
switch(_header.chunkId)
{
case CHUNK_MESH_LOD_MANUAL:
readMeshLODManual();
break;
case CHUNK_MESH_LOD_GENERATED:
readMeshLODGenerated();
break;
default:
OSG_OGRE_LOG(("OgreMeshReader::readMeshLODUsage: Unknown chunkId '0x%x'\n",
_header.chunkId));
stop = true;
break;
}
if(stop == true)
{
skip(_is, -_chunkHeaderSize);
break;
}
}
}
void
OgreMeshReader::readMeshBounds(void)
{
OSG_OGRE_LOG(("OgreMeshReader::readMeshBounds\n"));
Pnt3f bbMin;
bbMin[0] = readReal32(_is);
bbMin[1] = readReal32(_is);
bbMin[2] = readReal32(_is);
Pnt3f bbMax;
bbMax[0] = readReal32(_is);
bbMax[1] = readReal32(_is);
bbMax[2] = readReal32(_is);
//Real32 radius
readReal32(_is);
OSG_OGRE_LOG(("OgreMeshReader::readMeshBounds: bbMin '(%f %f %f)' bbMax '(%f %f %f)'\n",
bbMin[0], bbMin[1], bbMin[2], bbMax[0], bbMax[1], bbMax[2]));
_rootN->editVolume().setBounds(bbMin, bbMax);
_rootN->editVolume().setStatic(true);
}
void
OgreMeshReader::readBoneAssignment(VertexElementStore &vertexElements,
Int16 &boneIdxVE,
Int16 &boneWeightVE )
{
// OSG_OGRE_LOG(("OgreMeshReader::readBoneAssignment\n");
UInt32 vertIdx = readUInt32(_is);
UInt16 boneIdx = readUInt16(_is);
Real32 boneWeight = readReal32(_is);
GeoVec4fPropertyUnrecPtr boneIdxProp;
GeoVec4fPropertyUnrecPtr boneWeightProp;
if(boneIdxVE < 0)
{
boneIdxProp = GeoVec4fProperty::create();
VertexElement vElem;
vElem.bufferIdx = 0;
vElem.type = VET_FLOAT4;
vElem.semantic = VES_BLEND_INDICES;
vElem.offset = 0;
vElem.index = 0;
vElem.prop = boneIdxProp;
boneIdxVE = UInt32(vertexElements.size());
vertexElements.push_back(vElem);
}
if(boneWeightVE < 0)
{
boneWeightProp = GeoVec4fProperty::create();
VertexElement vElem;
vElem.bufferIdx = 0;
vElem.type = VET_FLOAT4;
vElem.semantic = VES_BLEND_WEIGHTS;
vElem.offset = 0;
vElem.index = 0;
vElem.prop = boneWeightProp;
boneWeightVE = UInt32(vertexElements.size());
vertexElements.push_back(vElem);
}
boneIdxProp = dynamic_pointer_cast<GeoVec4fProperty>(vertexElements[boneIdxVE ].prop);
boneWeightProp = dynamic_pointer_cast<GeoVec4fProperty>(vertexElements[boneWeightVE].prop);
GeoVec4fProperty::StoredFieldType* boneIdxF = boneIdxProp ->editFieldPtr();
GeoVec4fProperty::StoredFieldType* boneWeightF = boneWeightProp->editFieldPtr();
if(vertIdx >= boneIdxF->size())
boneIdxF->resize(vertIdx + 1, Vec4f(-1.f, -1.f, -1.f, -1.f));
if(vertIdx >= boneWeightF->size())
boneWeightF->resize(vertIdx + 1, Vec4f(0.f, 0.f, 0.f, 0.f));
bool found = false;
for(UInt16 i = 0; i < 4; ++i)
{
if((*boneIdxF)[vertIdx][i] < 0.f)
{
if((*boneIdxF)[vertIdx][i] != -1.f)
{
SINFO << "OgreMeshReader::readBoneAssignment: "
<< "vertex '" << vertIdx
<< "' has negative influence from ("
<< (*boneIdxF )[vertIdx][i] << ", "
<< (*boneWeightF)[vertIdx][i]
<< ")" << std::endl;
}
(*boneIdxF )[vertIdx][i] = boneIdx;
(*boneWeightF)[vertIdx][i] = boneWeight;
found = true;
break;
}
else if((*boneIdxF)[vertIdx][i] == boneIdx)
{
if((*boneWeightF)[vertIdx][i] < boneWeight)
{
OSG_OGRE_LOG(("OgreMeshReader::readBoneAssignment: "
"vertex '%u' changing bone influence from "
"(%f, %f) to (%f %f).\n",
vertIdx,
(*boneIdxF )[vertIdx][i],
(*boneWeightF)[vertIdx][i],
boneIdx, boneWeight));
(*boneWeightF)[vertIdx][i] = boneWeight;
}
else
{
OSG_OGRE_LOG(("OgreMeshReader::readBoneAssignment: "
"vertex '%u' already influenced by bone "
"(%u, %f) ignoring new weight %f.\n",
vertIdx, boneIdx,
(*boneWeightF)[vertIdx][i], boneWeight));
}
found = true;
break;
}
}
if(found == false)
{
SWARNING << "OgreMeshReader::readBoneAssignment: "
<< "vertex '" << vertIdx
<< "' has more than 4 bones assigned." << std::endl;
UInt16 smallestWeightIdx = 0;
Real32 smallestWeight = TypeTraits<Real32>::getMax();
for(UInt16 i = 0; i < 4; ++i)
{
if((*boneWeightF)[vertIdx][i] < smallestWeight)
{
smallestWeightIdx = i;
smallestWeight = (*boneWeightF)[vertIdx][i];
}
}
if((*boneWeightF)[vertIdx][smallestWeightIdx] < boneWeight)
{
OSG_OGRE_LOG(("OgreMeshReader::readBoneAssignment: "
"vertex '%u' replacing smallest influence "
"(%f, %f) with (%f, %f).\n",
vertIdx,
(*boneIdxF )[vertIdx][smallestWeightIdx],
(*boneWeightF)[vertIdx][smallestWeightIdx],
boneIdx, boneWeight));
(*boneIdxF )[vertIdx][smallestWeightIdx] = boneIdx;
(*boneWeightF)[vertIdx][smallestWeightIdx] = boneWeight;
}
else
{
OSG_OGRE_LOG(("OgreMeshReader::readBoneAssignment: "
"vertex '%u' smallest existing influence "
"(%f, %f) is larger than (%f, %f).\n",
(*boneIdxF )[vertIdx][smallestWeightIdx],
(*boneWeightF)[vertIdx][smallestWeightIdx],
boneIdx, boneWeight));
}
}
}
void
OgreMeshReader::readGeometryVertexBufferData(UInt32 vertCount,
UInt16 bindIdx,
VertexElementStore &vertexElements,
BufferVertexMap &bufferMap )
{
OSG_OGRE_LOG(("OgreMeshReader::readGeometryVertexBufferData\n"));
for(UInt32 i = 0; i < vertCount; ++i)
{
for(UInt32 j = 0; j < bufferMap[bindIdx].size(); ++j)
{
UInt32 veIdx = bufferMap[bindIdx][j];
switch(vertexElements[veIdx].type)
{
case VET_FLOAT1:
{
Vec1f v(readReal32(_is));
vertexElements[veIdx].prop->addValue(v);
}
break;
case VET_FLOAT2:
{
Vec2f v;
v[0] = readReal32(_is);
v[1] = readReal32(_is);
vertexElements[veIdx].prop->addValue(v);
}
break;
case VET_FLOAT3:
{
Vec3f v;
v[0] = readReal32(_is);
v[1] = readReal32(_is);
v[2] = readReal32(_is);
vertexElements[veIdx].prop->addValue(v);
}
break;
case VET_FLOAT4:
{
Vec4f v;
v[0] = readReal32(_is);
v[1] = readReal32(_is);
v[2] = readReal32(_is);
v[3] = readReal32(_is);
vertexElements[veIdx].prop->addValue(v);
}
break;
case VET_COLOUR:
break;
case VET_SHORT1:
{
Vec1s v(readInt16(_is));
vertexElements[veIdx].prop->addValue(v);
}
break;
case VET_SHORT2:
{
Vec2s v;
v[0] = readInt16(_is);
v[1] = readInt16(_is);
vertexElements[veIdx].prop->addValue(v);
}
break;
case VET_SHORT3:
{
Vec3s v;
v[0] = readInt16(_is);
v[1] = readInt16(_is);
v[2] = readInt16(_is);
vertexElements[veIdx].prop->addValue(v);
}
break;
case VET_SHORT4:
{
Vec4s v;
v[0] = readInt16(_is);
v[1] = readInt16(_is);
v[2] = readInt16(_is);
v[3] = readInt16(_is);
vertexElements[veIdx].prop->addValue(v);
}
break;
case VET_UBYTE4:
readUInt32(_is);
SWARNING << "OgreMeshReader::readGeometryVertexBufferData: "
<< "type VET_UBYTE4 NIY" << std::endl;
break;
case VET_COLOUR_ARGB:
SWARNING << "OgreMeshReader::readGeometryVertexBufferData: "
<< "type VET_COLOUR_ARGB NIY" << std::endl;
break;
case VET_COLOUR_ABGR:
SWARNING << "OgreMeshReader::readGeometryVertexBufferData: "
<< "type VET_COLOUR_ABGR NIY" << std::endl;
break;
}
}
}
}
