C++ (Cpp) VertexMaskFlags示例

示例#1

文件： CustomGeometry.cpp 项目： 1vanK/Urho3D

void CustomGeometry::SetGeometryDataAttr(const PODVector<unsigned char>& value)
{
    if (value.Empty())
        return;

    MemoryBuffer buffer(value);

    SetNumGeometries(buffer.ReadVLE());
    elementMask_ = VertexMaskFlags(buffer.ReadUInt());

    for (unsigned i = 0; i < geometries_.Size(); ++i)
    {
        unsigned numVertices = buffer.ReadVLE();
        vertices_[i].Resize(numVertices);
        primitiveTypes_[i] = (PrimitiveType)buffer.ReadUByte();

        for (unsigned j = 0; j < numVertices; ++j)
        {
            if (elementMask_ & MASK_POSITION)
                vertices_[i][j].position_ = buffer.ReadVector3();
            if (elementMask_ & MASK_NORMAL)
                vertices_[i][j].normal_ = buffer.ReadVector3();
            if (elementMask_ & MASK_COLOR)
                vertices_[i][j].color_ = buffer.ReadUInt();
            if (elementMask_ & MASK_TEXCOORD1)
                vertices_[i][j].texCoord_ = buffer.ReadVector2();
            if (elementMask_ & MASK_TANGENT)
                vertices_[i][j].tangent_ = buffer.ReadVector4();
        }
    }

    Commit();
}

示例#2

文件： VertexBuffer.cpp 项目： iSLC/Urho3D

void VertexBuffer::UpdateOffsets()
{
    unsigned elementOffset = 0;
    elementHash_ = 0;
    elementMask_ = MASK_NONE;

    for (PODVector<VertexElement>::Iterator i = elements_.Begin(); i != elements_.End(); ++i)
    {
        i->offset_ = elementOffset;
        elementOffset += ELEMENT_TYPESIZES[i->type_];
        elementHash_ <<= 6;
        elementHash_ += (((int)i->type_ + 1) * ((int)i->semantic_ + 1) + i->index_);

        for (unsigned j = 0; j < MAX_LEGACY_VERTEX_ELEMENTS; ++j)
        {
            const VertexElement& legacy = LEGACY_VERTEXELEMENTS[j];
            if (i->type_ == legacy.type_ && i->semantic_ == legacy.semantic_ && i->index_ == legacy.index_)
                elementMask_ |= VertexMaskFlags(1u << j);
        }
    }

    vertexSize_ = elementOffset;
}