static bool ReadBisomething(MZFile& file)
{
u32 bcount; V(file.Read(bcount));
for (u32 i = 0; i < bcount; ++i)
{
u32 bi; V(file.Read(bi));
V(file.Seek(8 * bi));
}
V(file.Seek(4));
return true;
}
static bool SkipVector(MZFile& file)
{
u32 size;
V(file.Read(size));
V(file.Seek(size * sizeof(T)));
return true;
}
static bool LoadSubmeshData(MZFile& file, EluMesh& mesh)
{
u32 nsubmesh; V(file.Read(nsubmesh));
mesh.DrawProps.resize(nsubmesh);
for (u32 i = 0; i < nsubmesh; ++i)
{
auto& dp = mesh.DrawProps[i];
u32 mat; V(file.Read(mat));
dp.material = mat;
u16 idx; V(file.Read(idx));
dp.indexBase = idx;
u16 cnt; V(file.Read(cnt));
dp.count = cnt;
dp.vertexBase = 0;
V(file.Seek(4));
if (dp.material < 0)
{
if (mesh.DrawProps.size() == 1)
{
mesh.DrawProps.clear();
return true;
}
mesh.DrawProps.erase(mesh.DrawProps.begin() + i);
mesh.DrawProps.resize(mesh.DrawProps.size() - 1);
--i;
}
}
return true;
}
static bool ReadSubindices(MZFile& file, std::vector<std::array<u16, 6>>& subindices)
{
V(ReadVector(file, subindices));
u32 size; V(file.Read(size));
V(file.Seek((64 + 2) * size));
return true;
}
static bool ReadIndices(MZFile& file)
{
u32 ntris;
V(file.Read(ntris));
if (ntris > 0)
{
V(file.Seek(4));
V(file.Read(ntris));
for (u32 i = 0; i < ntris; ++i)
{
u32 nverts;
V(file.Read(nverts));
V(file.Seek(12 * nverts + 2));
}
}
V(SkipVector<v3>(file));
V(file.Seek(4));
return true;
}
static bool LoadMesh5013(MZFile& file, EluMesh &mesh)
{
V(ReadName(file, mesh));
V(file.Seek(4));
V(SkipVector<char>(file));
V(ReadWorld(file, mesh));
V(file.Seek(16));
VertexData vertexData;
V(ReadVertexData(file, mesh, vertexData, { Pos, Tex, SkipVecV3, Nor, Tan, SkipVecV3 }));
V(ReadIndices(file));
V(ReadBisomething(file));
std::vector<std::array<u16, 6>> subindices;
V(ReadSubindices(file, subindices));
V(LoadSubmeshData(file, mesh));
V(ReadMeshData(file, mesh, subindices, vertexData));
V(file.Seek(2 * sizeof(v3)));
return true;
}
static bool ReadVertexData(MZFile& file, EluMesh& mesh, VertexData& data,
const VertexAttributeOrder (&Order)[6])
{
for (auto& Attribute : Order)
{
switch (Attribute)
{
case Pos: V(ReadVector(file, data.Positions)); break;
case Nor: V(ReadVector(file, data.Normals)); break;
case Tan: V(ReadVector(file, data.Tangents)); break;
case Tex: V(ReadVector(file, data.TexCoords)); break;
case Skip4: V(file.Seek(4)); break;
case SkipVecV3: V(SkipVector<v3>(file)); break;
}
}
return true;
}