本文整理汇总了C++中U3DDataBlockWriter::writeCompressedU8方法的典型用法代码示例。如果您正苦于以下问题：C++ U3DDataBlockWriter::writeCompressedU8方法的具体用法？C++ U3DDataBlockWriter::writeCompressedU8怎么用？C++ U3DDataBlockWriter::writeCompressedU8使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类U3DDataBlockWriter的用法示例。
在下文中一共展示了U3DDataBlockWriter::writeCompressedU8方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Name
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;
}