//! Adds a standard data block (type: CLOD mesh declaration) to the chain of all data blocks.
//! Returns the total # of data blocks in the data block chain.
size_t U3DFileWriter::addStandardBlock_CLODMeshDeclaration(const mlU3D::CLODMeshGenerator& meshGenerator)
{
U3DDataBlockWriter CLODMeshDeclarationBlock;
CLODMeshDeclarationBlock.blockType = mlU3D::BLOCKTYPE_CLODMESHDECLARATION;
CLODMeshDeclarationBlock.writeString(meshGenerator.resourceName); // Write Mesh Name (9.6.1.1.1)
CLODMeshDeclarationBlock.writeU32(mlU3D::ReservedZero); // Write Chain Index (9.6.1.1.2) (shall be zero)
CLODMeshDeclarationBlock.writeU32(meshGenerator.meshAttributes); // Write Max Mesh Description - Mesh Attributes (9.6.1.1.3.1)
CLODMeshDeclarationBlock.writeU32(meshGenerator.faceCount); // Write Max Mesh Description - Face Count (9.6.1.1.3.2) (# of faces)
CLODMeshDeclarationBlock.writeU32(meshGenerator.vertexCount); // Write Max Mesh Description - Position Count (9.6.1.1.3.3) (# of vertices)
CLODMeshDeclarationBlock.writeU32(meshGenerator.normalCount); // Write Max Mesh Description - Normal Count (9.6.1.1.3.4) (# of normals)
CLODMeshDeclarationBlock.writeU32(meshGenerator.diffuseColorCount); // Write Max Mesh Description - Diffuse Color Count (9.6.1.1.3.5)
CLODMeshDeclarationBlock.writeU32(meshGenerator.specularColorCount); // Write Max Mesh Description - Specular Color Count (9.6.1.1.3.6)
CLODMeshDeclarationBlock.writeU32(0x00000001); // Write Max Mesh Description - Texture Coord Count (9.6.1.1.3.7)
CLODMeshDeclarationBlock.writeU32(0x00000001); // Write Max Mesh Description - Shading Count (9.6.1.1.3.8) (shall be 1 since only one shader is supported by this version)
CLODMeshDeclarationBlock.writeU32(meshGenerator.shadingAttributes); // Write Max Mesh Description - Shading Description - Shading Attributes (9.6.1.1.3.9.1)
CLODMeshDeclarationBlock.writeU32(0x00000000); // Write Max Mesh Description - Shading Description - Texture Layer Count (9.6.1.1.3.9.2) (shall be zero since textures are not supported by this version)
//CLODMeshDeclarationBlock.writeU32(0x00000002); // Write Max Mesh Description - Shading Description - Texture Coord Dimensions (9.6.1.1.3.9.3)
CLODMeshDeclarationBlock.writeU32(0x00000000); // Write Max Mesh Description - Shading Description - Original Shading ID (9.6.1.1.3.9.4)
CLODMeshDeclarationBlock.writeU32(meshGenerator.vertexCount); // Write CLOD Description - Minimum Resolution (9.6.1.1.4.1) // Min resolution = max resolution -> base mesh only!
//CLODMeshDeclarationBlock.writeU32(0); // Write CLOD Description - Minimum Resolution (9.6.1.1.4.1)
CLODMeshDeclarationBlock.writeU32(meshGenerator.vertexCount); // Write CLOD Description - Final Maximum Resolution (9.6.1.1.4.2)
CLODMeshDeclarationBlock.writeU32(0x000003E8); // Write Resource Description - Quality Factors - Position Quality Factor (9.6.1.1.5.1.1)
CLODMeshDeclarationBlock.writeU32(0x000003E8); // Write Resource Description - Quality Factors - Normal Quality Factor (9.6.1.1.5.1.2)
CLODMeshDeclarationBlock.writeU32(0x000003E8); // Write Resource Description - Quality Factors - Texture Coord Quality Factor (9.6.1.1.5.1.3)
CLODMeshDeclarationBlock.writeF32(1.f/mlU3D::Quant_Position); // Write Resource Description - Inverse Quantization - Position Inverse Quant (9.6.1.1.5.2.1)
CLODMeshDeclarationBlock.writeF32(1.f/mlU3D::Quant_Normal); // Write Resource Description - Inverse Quantization - Normal Inverse Quant (9.6.1.1.5.2.2)
CLODMeshDeclarationBlock.writeF32(1.f/mlU3D::Quant_TextureCoord); // Write Resource Description - Inverse Quantization - Texture Coord Inverse Quant (9.6.1.1.5.2.3)
CLODMeshDeclarationBlock.writeF32(1.f/mlU3D::Quant_DiffuseColor); // Write Resource Description - Inverse Quantization - Diffuse Color Inverse Quant (9.6.1.1.5.2.4)
CLODMeshDeclarationBlock.writeF32(1.f/mlU3D::Quant_SpecularColor); // Write Resource Description - Inverse Quantization - Specular Color Inverse Quant (9.6.1.1.5.2.5)
CLODMeshDeclarationBlock.writeF32(0.9f); // Write Resource Description - Resource Parameters - Normal Crease Parameter (9.6.1.1.5.3.1)
CLODMeshDeclarationBlock.writeF32(0.5f); // Write Resource Description - Resource Parameters - Normal Update Parameter (9.6.1.1.5.3.2)
CLODMeshDeclarationBlock.writeF32(0.985f); // Write Resource Description - Resource Parameters - Normal Tolerance Parameter (9.6.1.1.5.3.3)
CLODMeshDeclarationBlock.writeU32(0x00000000); // Write Skeleton Description - Bone Count (9.6.1.1.6.1) (shall be zero since skeltons are not supported by this version) [UNUSED BY ACROBAT]
return addDataBlock(CLODMeshDeclarationBlock);
}
//! Write parent node data to the respective position of a (child) node block. (private)
void U3DFileWriter::_writeParentNodeData(U3DDataBlockWriter& dataBlock, const std::string& parentNodeName)
{
dataBlock.writeU32(0x00000001); // Write Parent Node Count (9.5.1.2.1)
dataBlock.writeString(parentNodeName); // Write empty Parent Node Name (9.5.1.2.2)
dataBlock.writeIdentityMatrix(); // Write Parent Node Transform Matrix (9.5.1.2.3) (identity matrix)
}
//! Adds a standard data block (type: line set declaration) to the chain of all data blocks.
//! Returns the total # of data blocks in the data block chain.
size_t U3DFileWriter::addStandardBlock_LineSetDeclaration(const U3DLineSetInfoStruct& lineSetInfo)
{
U3DDataBlockWriter LineSetDeclarationBlock;
LineSetDeclarationBlock.blockType = U3D_BLOCKTYPE_LINESETDECLARATION;
LineSetDeclarationBlock.writeString(lineSetInfo.ResourceName); // Write Line Set Name (9.6.1.1.1)
LineSetDeclarationBlock.writeU32(U3D_ReservedZero); // Write Chain Index (9.6.1.1.2) (shall be zero)
LineSetDeclarationBlock.writeU32(U3D_ReservedZero); // Write Line Set Description - Line Set Reserved (9.6.3.1.3.1) (shall be zero)
LineSetDeclarationBlock.writeU32(lineSetInfo.LineCount); // Write Line Set Description - Line Count (9.6.3.1.3.2) (# of lines)
LineSetDeclarationBlock.writeU32(lineSetInfo.PointCount); // Write Line Set Description - Position Count (9.6.3.1.3.3) (# of positions - one point more than lines)
LineSetDeclarationBlock.writeU32(lineSetInfo.NormalCount); // Write Line Set Description - Normal Count (9.6.3.1.3.4) (# of normals)
//LineSetDeclarationBlock.writeU32(lineSetInfo.DiffuseColorCount); // Write Line Set Description - Diffuse Color Count (9.6.3.1.3.5)
LineSetDeclarationBlock.writeU32(0x00000000); // Write Line Set Description - Diffuse Color Count (9.6.3.1.3.5)
//LineSetDeclarationBlock.writeU32(lineSetInfo.SpecularColorCount); // Write Line Set Description - Specular Color Count (9.6.3.1.3.6)
LineSetDeclarationBlock.writeU32(0x00000000); // Write Line Set Description - Specular Color Count (9.6.3.1.3.6)
//LineSetDeclarationBlock.writeU32(lineSetInfo.TextureCoordCount); // Write Line Set Description - Texture Coord Count (9.6.3.1.3.7)
LineSetDeclarationBlock.writeU32(0x00000000); // Write Line Set Description - Texture Coord Count (9.6.3.1.3.7)
LineSetDeclarationBlock.writeU32(0x00000001); // Write Line Set Description - Shading Count (9.6.3.1.3.8)
LineSetDeclarationBlock.writeU32(lineSetInfo.ShadingAttributes); // Write Line Set Description - Shading Description - Shading Attributes (9.6.1.1.3.9.1)
LineSetDeclarationBlock.writeU32(0x00000000); // Write Line Set Description - Shading Description - Texture Layer Count (9.6.1.1.3.9.2)
//LineSetDeclarationBlock.writeU32(0x00000000); // Write Line Set Description - Shading Description - Texture Coord Dimensions (9.6.1.1.3.9.3) - only if Texture Layer Count > 0
LineSetDeclarationBlock.writeU32(0x00000000); // Write Line Set Description - Shading Description - Original Shading ID (9.6.1.1.3.9.4)
LineSetDeclarationBlock.writeU32(0x000003E8); // Write Resource Description - Quality Factors - Position Quality Factor (9.6.1.1.5.1.1)
LineSetDeclarationBlock.writeU32(0x000003E8); // Write Resource Description - Quality Factors - Normal Quality Factor (9.6.1.1.5.1.2)
LineSetDeclarationBlock.writeU32(0x000003E8); // Write Resource Description - Quality Factors - Texture Coord Quality Factor (9.6.1.1.5.1.3)
LineSetDeclarationBlock.writeF32(1.f/U3DQuant_Position); // Write Resource Description - Inverse Quantization - Position Inverse Quant (9.6.1.1.5.2.1)
LineSetDeclarationBlock.writeF32(1.f/U3DQuant_Normal); // Write Resource Description - Inverse Quantization - Normal Inverse Quant (9.6.1.1.5.2.2)
LineSetDeclarationBlock.writeF32(1.f/U3DQuant_TextureCoord); // Write Resource Description - Inverse Quantization - Texture Coord Inverse Quant (9.6.1.1.5.2.3)
LineSetDeclarationBlock.writeF32(1.f/U3DQuant_DiffuseColor); // Write Resource Description - Inverse Quantization - Diffuse Color Inverse Quant (9.6.1.1.5.2.4)
LineSetDeclarationBlock.writeF32(1.f/U3DQuant_SpecularColor); // Write Resource Description - Inverse Quantization - Specular Color Inverse Quant (9.6.1.1.5.2.5)
LineSetDeclarationBlock.writeU32(U3D_ReservedZero); // Write Resource Description - Resource Parameters - Reserved Line Set Parameter 1 (9.6.3.1.4.3.1) (shall be zero)
LineSetDeclarationBlock.writeU32(U3D_ReservedZero); // Write Resource Description - Resource Parameters - Reserved Line Set Parameter 2 (9.6.3.1.4.3.2) (shall be zero)
LineSetDeclarationBlock.writeU32(U3D_ReservedZero); // Write Resource Description - Resource Parameters - Reserved Line Set Parameter 3 (9.6.3.1.4.3.3) (shall be zero)
LineSetDeclarationBlock.writeU32(0x00000000); // Write Skeleton Description - Bone Count (9.6.1.1.6.1) (shall be zero since skeltons are not supported by this version) [UNUSED BY ACROBAT]
return addDataBlock(LineSetDeclarationBlock);
}
U3DDataBlockWriter U3DSave::_createCLODBaseMeshContinuationBlock(WEMTrianglePatch* meshPatch, mlU3D::CLODMeshGenerator& meshGenerator) const
{
mlU3D::ColorMap baseDiffuseColorsMap;
float progressStart = 0.2f;
float progressEnd = 0.9f;
float progressRangeforAllMeshes = progressEnd - progressStart; // 0.7
float progressIntervalForOneWEMPatch = progressRangeforAllMeshes / _inU3DObject->meshes.size();
float progressStartForThisMesh = progressStart + progressIntervalForOneWEMPatch * meshGenerator.meshNumber;
_progressFld->setFloatValue(progressStartForThisMesh);
_statusFld->setStringValue("Assembling data for Mesh: " + meshGenerator.resourceName + ".");
U3DDataBlockWriter thisCLODBaseMeshContinuationBlock;
thisCLODBaseMeshContinuationBlock.blockType = mlU3D::BLOCKTYPE_CLODBASEMESHCONTINUATION;
thisCLODBaseMeshContinuationBlock.writeString(meshGenerator.resourceName); // Write Mesh Name (9.6.1.2.1)
thisCLODBaseMeshContinuationBlock.writeU32(mlU3D::ReservedZero); // Write Chain Index (9.6.1.2.2) (shall be zero)
thisCLODBaseMeshContinuationBlock.writeU32(meshGenerator.faceCount); // Write Base Mesh Description - Face Count (9.6.1.2.3.1) (# of faces)
thisCLODBaseMeshContinuationBlock.writeU32(meshGenerator.vertexCount); // Write Base Mesh Description - Position Count (9.6.1.2.3.2) (# of vertices)
thisCLODBaseMeshContinuationBlock.writeU32(meshGenerator.normalCount); // Write Base Mesh Description - Normal Count (9.6.1.2.3.3) (# of normals)
thisCLODBaseMeshContinuationBlock.writeU32(meshGenerator.diffuseColorCount); // Write Base Mesh Description - Diffuse Color Count (9.6.1.2.3.4)
thisCLODBaseMeshContinuationBlock.writeU32(meshGenerator.specularColorCount); // Write Base Mesh Description - Specular Color Count (9.6.1.2.3.5)
thisCLODBaseMeshContinuationBlock.writeU32(0x00000001); // Write Base Mesh Description - Texture Coord Count (9.6.1.2.3.6)
// Write all vertex positions (in U3D, vertices are called "positions")
for (MLuint32 thisVertex = 0; thisVertex < meshGenerator.vertexCount; thisVertex++)
{
Vector3 wemPosition = meshPatch->getNodeAt(thisVertex)->getPosition();
thisCLODBaseMeshContinuationBlock.writeF32(wemPosition[0]); // Write Base Position - X (9.6.1.2.4.1.1)
thisCLODBaseMeshContinuationBlock.writeF32(wemPosition[1]); // Write Base Position - Y (9.6.1.2.4.1.2)
thisCLODBaseMeshContinuationBlock.writeF32(wemPosition[2]); // Write Base Position - Z (9.6.1.2.4.1.3)
}
for (MLuint32 thisNormal = 0; thisNormal < meshGenerator.normalCount; thisNormal++)
{
Vector3 nodeNormal = meshPatch->getNodeAt(thisNormal)->getNormal();
thisCLODBaseMeshContinuationBlock.writeF32(nodeNormal[0]); // Write Base Normal - X (9.6.1.2.4.2.1)
thisCLODBaseMeshContinuationBlock.writeF32(nodeNormal[1]); // Write Base Normal - Y (9.6.1.2.4.2.2)
thisCLODBaseMeshContinuationBlock.writeF32(nodeNormal[2]); // Write Base Normal - Z (9.6.1.2.4.2.3)
}
if (meshGenerator.diffuseColorCount > 0)
{
baseDiffuseColorsMap = _writeVertexColors(meshPatch, thisCLODBaseMeshContinuationBlock); // Write all Base Diffuse Colors (9.6.1.2.4.3)
}
for (MLuint32 thisSpecularColor = 0; thisSpecularColor < meshGenerator.specularColorCount; thisSpecularColor++)
{
thisCLODBaseMeshContinuationBlock.writeF32Color(_inU3DObject->defaultValues.defaultMaterialSpecularColor, 1.0f); // Write Base Specular Color (9.6.1.2.4.4)
}
// Write Write Base Texture Coord (9.6.1.2.4.5)
thisCLODBaseMeshContinuationBlock.writeF32(0.0f); // Write Base Texture Coord U (9.6.1.2.4.5.1)
thisCLODBaseMeshContinuationBlock.writeF32(0.0f); // Write Base Texture Coord V (9.6.1.2.4.5.2)
thisCLODBaseMeshContinuationBlock.writeF32(0.0f); // Write Base Texture Coord S (9.6.1.2.4.5.3)
thisCLODBaseMeshContinuationBlock.writeF32(0.0f); // Write Base Texture Coord T (9.6.1.2.4.5.4)
for (MLuint32 thisFace = 0; thisFace < meshGenerator.faceCount; thisFace++)
{
thisCLODBaseMeshContinuationBlock.writeCompressedU32(mlU3D::Context_cShading, 0); // Write Shading ID (9.6.1.2.4.6.1)
WEMFace* wemFace = meshPatch->getFaceAt(thisFace);
for (MLuint thisNode = 0; thisNode < 3; thisNode++)
{
WEMNode* thisWEMNode = wemFace->getNodeAt(static_cast<unsigned int>(thisNode));
const MLuint32 VertexIndex = thisWEMNode->getEntryNumber();
const Vector4 thisWEMNodeColor = thisWEMNode->getColor();
MLuint32 NormalIndex = VertexIndex;
// Write Base Corner Info - Base Position Index (9.6.1.2.4.6.2.1)
thisCLODBaseMeshContinuationBlock.writeCompressedU32(mlU3D::Context_StaticFull + meshGenerator.vertexCount, VertexIndex);
// Write Base Corner Info - Base Normal Index (9.6.1.2.4.6.2.2)
if (meshGenerator.normalCount > 0)
{
thisCLODBaseMeshContinuationBlock.writeCompressedU32(mlU3D::Context_StaticFull + meshGenerator.normalCount, NormalIndex);
}
// Write Base Corner Info - Base Diffuse Color Index (9.6.1.2.4.6.2.3)
if (meshGenerator.diffuseColorCount > 0)
{
MLuint32 diffuseColorIndex = baseDiffuseColorsMap[thisWEMNodeColor];
thisCLODBaseMeshContinuationBlock.writeCompressedU32(mlU3D::Context_StaticFull + meshGenerator.diffuseColorCount, diffuseColorIndex);
}
// Write Base Corner Info - Base Specular Color Index (9.6.1.2.4.6.2.4)
if (meshGenerator.specularColorCount > 0)
{
thisCLODBaseMeshContinuationBlock.writeCompressedU32(mlU3D::Context_StaticFull + meshGenerator.specularColorCount, 0);
}
// Write Base Corner Info - Base Texture Coord Index (9.6.1.2.4.6.2.5)
//thisCLODBaseMeshContinuationBlock.writeCompressedU32(U3D_StaticFull+1, 0); // No texture layers
}
if (0 == (thisFace % 100)) // Set progress field every 100 faces to save GUI update cost
{
float progressFldThisFaceValue = (progressIntervalForOneWEMPatch / meshGenerator.faceCount) * (thisFace + 1);
float progressFldValue = progressStartForThisMesh + progressFldThisFaceValue;
_progressFld->setFloatValue(progressFldValue);
}
}
return thisCLODBaseMeshContinuationBlock;
}
ML_START_NAMESPACE
//***********************************************************************************
U3DDataBlockWriter U3DSave::_createPointSetContinuationBlock(mlU3D::PointSetGenerator &pointSetGenerator) const
{
MLuint8 signsXYZ;
MLuint32 diffX;
MLuint32 diffY;
MLuint32 diffZ;
_statusFld->setStringValue("Assembling data for PointSet: " + pointSetGenerator.resourceName + ".");
U3DDataBlockWriter thisPointSetContinuationBlock;
thisPointSetContinuationBlock.blockType = mlU3D::BLOCKTYPE_POINTSETCONTINUATION;
thisPointSetContinuationBlock.writeString(pointSetGenerator.resourceName); // Write Point Set Name (9.6.2.2.1)
thisPointSetContinuationBlock.writeU32(mlU3D::ReservedZero); // Write Chain Index (9.6.2.2.2) (shall be zero)
thisPointSetContinuationBlock.writeU32(0x00000000); // Write Point Resolution Range - Start Resolution (9.6.2.2.3.1)
thisPointSetContinuationBlock.writeU32(pointSetGenerator.pointCount); // Write Point Resolution Range - End Resolution (9.6.2.2.3.2) (# of points)
for (MLuint32 currentPosition = 0; currentPosition < pointSetGenerator.pointCount; currentPosition++)
{
MLint32 splitPositionIndex = currentPosition - 1;
if (0 == currentPosition)
// Special case for first position!
// No split position and no diff - instead the position itself is written
{
thisPointSetContinuationBlock.writeCompressedU32(mlU3D::Context_StaticFull + 0x00000001, 0); // Write Split Position Index (9.6.2.2.4.1)
}
else
{
thisPointSetContinuationBlock.writeCompressedU32(mlU3D::Context_StaticFull + currentPosition, splitPositionIndex); // Write Split Position Index (9.6.2.2.4.1)
}
// Write New Position Info (9.6.2.2.4.2)
mlU3D::PositionStruct currentPositionData = pointSetGenerator.positions[currentPosition];
mlU3D::PositionStruct predictedPositionData;
if (splitPositionIndex >= 0) { predictedPositionData = pointSetGenerator.positions[splitPositionIndex]; }
Vector3 positionDifferenceVec3 = currentPositionData.position - predictedPositionData.position;
mlU3D::U3DTools::quantizePosition(positionDifferenceVec3, signsXYZ, diffX, diffY, diffZ);
thisPointSetContinuationBlock.writeCompressedU8(mlU3D::Context_cPosDiffSign, signsXYZ); // Write New Position Info - Position Difference Signs (9.6.1.3.4.10.1)
thisPointSetContinuationBlock.writeCompressedU32(mlU3D::Context_cPosDiffX, diffX); // Write New Position Info - Position Difference X (9.6.1.3.4.10.2)
thisPointSetContinuationBlock.writeCompressedU32(mlU3D::Context_cPosDiffY, diffY); // Write New Position Info - Position Difference Y (9.6.1.3.4.10.3)
thisPointSetContinuationBlock.writeCompressedU32(mlU3D::Context_cPosDiffZ, diffZ); // Write New Position Info - Position Difference Z (9.6.1.3.4.10.4)
MLuint32 newPointCount = 1; // Always add 1 new point in this version
MLuint32 newNormalCount = ((pointSetGenerator.normalCount > 0) ? newPointCount : 0); // Should be zero -> no normals in this version
thisPointSetContinuationBlock.writeCompressedU32(mlU3D::Context_cNormlCnt, newNormalCount); // Write Point Description - New Normal Count (9.6.2.2.4.3) - always 1 normal per point
// Write New Normal Info (9.6.2.2.4.4) [UNUSED BY ACROBAT]
for (MLuint32 newNormalIndex = 0; newNormalIndex < newNormalCount; newNormalIndex++)
{
//Vector3 currentNormalVec3; currentNormalVec3.x = 0; currentNormalVec3.y = 0; currentNormalVec3.z = 0;
//Vector3 predictedNormalVec3 = currentNormalVec3; // Normals are always 0,0,0 in this version
Vector3 normalDifferenceVec3;// = currentNormalVec3 - predictedNormalVec3;
mlU3D::U3DTools::quantizeNormal(normalDifferenceVec3, signsXYZ, diffX, diffY, diffZ);
// Write normal at line start
thisPointSetContinuationBlock.writeCompressedU8(mlU3D::Context_cDiffNormalSign, signsXYZ); // Write Normal Difference Signs (9.6.2.2.4.4.1)
thisPointSetContinuationBlock.writeCompressedU32(mlU3D::Context_cDiffNormalX, diffX); // Write Normal Difference X (9.6.2.2.4.4.2)
thisPointSetContinuationBlock.writeCompressedU32(mlU3D::Context_cDiffNormalY, diffY); // Write Normal Difference Y (9.6.2.2.4.4.3)
thisPointSetContinuationBlock.writeCompressedU32(mlU3D::Context_cDiffNormalZ, diffZ); // Write Normal Difference Z (9.6.2.2.4.4.4)
}
thisPointSetContinuationBlock.writeCompressedU32(mlU3D::Context_cPointCnt_cLineCnt_cFaceCnt, newPointCount); // Write Point Description - New Point Count (9.6.2.2.4.5)
// Write New Point Info (9.6.2.2.4.6)
for (MLuint32 newPointInfoNumber = 0; newPointInfoNumber < newPointCount; newPointInfoNumber++)
{
thisPointSetContinuationBlock.writeCompressedU32(mlU3D::Context_cShading, 0x00000000); // Write Shading ID (9.6.2.2.4.6.1)
thisPointSetContinuationBlock.writeCompressedU32(mlU3D::Context_cNormlIdx, newPointInfoNumber); // Write Normal Local Index (9.6.2.2.4.6.2) - Must be written although no normals are used at all in this version!
// Write no New Point Diffuse Color Coords (9.6.2.2.4.6.3) since it is not supported by this version
// Write no New Point Specular Color Coords (9.6.2.2.4.6.4) since it is not supported by this version [UNUSED BY ACROBAT]
// Write no New Point Texture Coords (9.6.2.2.4.6.5) since it is not supported by this version [UNUSED BY ACROBAT]
}
} // for (MLuint32 currentPosition = 0...
return thisPointSetContinuationBlock;
}
U3DDataBlockWriter U3DSave::_createLineSetContinuationBlock(mlU3D::LineSetGenerator &lineSetGenerator) const
{
MLuint8 signsXYZ;
MLuint32 diffX;
MLuint32 diffY;
MLuint32 diffZ;
_statusFld->setStringValue("Assembling data for LineSet: " + lineSetGenerator.resourceName + ".");
U3DDataBlockWriter thisLineSetContinuationBlock;
thisLineSetContinuationBlock.blockType = mlU3D::BLOCKTYPE_LINESETCONTINUATION;
thisLineSetContinuationBlock.writeString(lineSetGenerator.resourceName); // Write Line Set Name (9.6.3.2.1)
thisLineSetContinuationBlock.writeU32(mlU3D::ReservedZero); // Write Chain Index (9.6.3.2.2) (shall be zero)
thisLineSetContinuationBlock.writeU32(0x00000000); // Write Point Resolution Range - Start Resolution (9.6.3.2.3.1)
thisLineSetContinuationBlock.writeU32(lineSetGenerator.pointCount); // Write Point Resolution Range - End Resolution (9.6.3.2.3.2) (# of points)
for (MLuint32 currentPosition = 0; currentPosition < lineSetGenerator.pointCount; currentPosition++)
{
if (0 == currentPosition)
// Special case for first position!
// No split position and no diff - instead the position itself is written
{
mlU3D::PositionStruct startPosition = lineSetGenerator.positions[currentPosition];
mlU3D::U3DTools::quantizePosition(startPosition.position, signsXYZ, diffX, diffY, diffZ);
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_StaticFull + 1, 0); // Write Line Description - Split Position Index (9.6.3.2.4.1) - for first entry with special value 0 and special context "r1" instead of "r0"
thisLineSetContinuationBlock.writeCompressedU8(mlU3D::Context_cPosDiffSign, signsXYZ); // Write Line Description - New Position Info - Position Difference Signs (9.6.1.3.4.10.1)
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cPosDiffX, diffX); // Write Line Description - New Position Info - Position Difference X (9.6.1.3.4.10.2)
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cPosDiffY, diffY); // Write Line Description - New Position Info - Position Difference Y (9.6.1.3.4.10.3)
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cPosDiffZ, diffZ); // Write Line Description - New Position Info - Position Difference Z (9.6.1.3.4.10.4)
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cNormlCnt, 0); // Write Line Description - New Normal Count (9.6.3.2.4.3)
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cPointCnt_cLineCnt_cFaceCnt, 0); // Write Line Description - New Line Count (9.6.3.2.4.5)
}
else
{
MLuint32 splitPosition = currentPosition - 1;
mlU3D::PositionStruct currentPositionData = lineSetGenerator.positions[currentPosition];
mlU3D::PositionStruct predictedPositionData = lineSetGenerator.positions[splitPosition];
Vector3 positionDifferenceVec3 = currentPositionData.position - predictedPositionData.position;
mlU3D::U3DTools::quantizePosition(positionDifferenceVec3, signsXYZ, diffX, diffY, diffZ);
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_StaticFull + currentPosition, splitPosition); // Write Line Description - Split Position Index (9.6.3.2.4.1)
thisLineSetContinuationBlock.writeCompressedU8(mlU3D::Context_cPosDiffSign, signsXYZ); // Write Line Description - New Position Info - Position Difference Signs (9.6.1.3.4.10.1)
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cPosDiffX, diffX); // Write Line Description - New Position Info - Position Difference X (9.6.1.3.4.10.2)
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cPosDiffY, diffY); // Write Line Description - New Position Info - Position Difference Y (9.6.1.3.4.10.3)
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cPosDiffZ, diffZ); // Write Line Description - New Position Info - Position Difference Z (9.6.1.3.4.10.4)
mlU3D::LinesVector newLines = mlU3D::U3DMarkerListTools::getNewLinesFromAllLines(lineSetGenerator.lines, currentPosition);
MLuint32 newLineCount = (MLuint32)newLines.size();
MLuint32 newNormalCount = (MLuint32)((lineSetGenerator.normalCount > 0) ? newLineCount : 0); // Should be zero -> no normals in this version
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cNormlCnt, newNormalCount * 2); // Write Line Description - New Normal Count (9.6.2.2.4.3) - always 2 normals per line
// Write New Normal Info (9.6.3.2.4.4) [UNUSED BY ACROBAT]
for (MLuint32 newNormalIndex = 0; newNormalIndex < newNormalCount; newNormalIndex++)
{
//Vector3 currentNormalVec3; currentNormalVec3.x = 0; currentNormalVec3.y = 0; currentNormalVec3.z = 0;
//Vector3 predictedNormalVec3 = currentNormalVec3; // Normals are always 0,0,0 in this version
Vector3 normalDifferenceVec3;// = currentNormalVec3 - predictedNormalVec3;
mlU3D::U3DTools::quantizeNormal(normalDifferenceVec3, signsXYZ, diffX, diffY, diffZ);
// Write normal at line start
thisLineSetContinuationBlock.writeCompressedU8(mlU3D::Context_cDiffNormalSign, signsXYZ); // Write Normal Difference Signs (9.6.2.2.4.4.1)
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cDiffNormalX, diffX); // Write Normal Difference X (9.6.2.2.4.4.2)
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cDiffNormalY, diffY); // Write Normal Difference Y (9.6.2.2.4.4.3)
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cDiffNormalZ, diffZ); // Write Normal Difference Z (9.6.2.2.4.4.4)
// Write normal at line end
thisLineSetContinuationBlock.writeCompressedU8(mlU3D::Context_cDiffNormalSign, signsXYZ); // Write Normal Difference Signs (9.6.2.2.4.4.1)
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cDiffNormalX, diffX); // Write Normal Difference X (9.6.2.2.4.4.2)
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cDiffNormalY, diffY); // Write Normal Difference Y (9.6.2.2.4.4.3)
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cDiffNormalZ, diffZ); // Write Normal Difference Z (9.6.2.2.4.4.4)
}
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cPointCnt_cLineCnt_cFaceCnt, newLineCount); // Write Point Description - New Line Count (9.6.3.2.4.5)
// Write New Line Info (9.6.3.2.4.6)
for (MLuint32 newLineInfoNumber = 0; newLineInfoNumber < newLineCount; newLineInfoNumber++)
{
MLuint32 startPosition = newLines[newLineInfoNumber].startIndex;
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cShading, 0x00000000); // Write Shading ID (9.6.3.2.4.6.1)
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_StaticFull + currentPosition, startPosition); // Write First Position Index (9.6.3.2.4.6.2)
for (MLuint32 j = 0; j<2; j++)
{
MLuint32 normalLocalIndex = ((newNormalCount > 0) ? 2 * newLineInfoNumber + j : 0); // newLineNumber shall always be be 0, so normalLocalIndex is 0 or 1
thisLineSetContinuationBlock.writeCompressedU32(mlU3D::Context_cNormlIdx, normalLocalIndex); // Write Normal Local Index (9.6.3.2.4.6.3) [UNUSED BY ACROBAT]
// Write no New Line Diffuse Color Coords (9.6.3.2.4.6.4) since it is not supported by this version
// Write no New Line Specular Color Coords (9.6.3.2.4.6.5) since it is not supported by this version [UNUSED BY ACROBAT]
// Write no New Line Texture Coords (9.6.3.2.4.6.6) since it is not supported by this version [UNUSED BY ACROBAT]
}
}
} // if (0 == currentPosition)...
} // for (MLuint32 currentPosition...
return thisLineSetContinuationBlock;
}
