/// <summary>
/// Reads MP from a byte array.
/// </summary>
/// <param name="data">The byte array containing the MP data.</param>
public MP(byte[] data)
{
// Define a binary reader to read with.
DhBinaryReader br = new DhBinaryReader(data, DhEndian.Big);
// Read Grid Scale.
GridScale = br.ReadVec3();
// Read Minimum Bounds.
MinimumBounds = br.ReadVec3();
// Read Axis Lengths.
AxisLengths = br.ReadVec3();
// Define new array to hold offsets.
Offsets = new int[7];
// Loop through our offsets.
for (int i = 0; i < 7; i++)
{
// Read offset and store it to the offsets array.
Offsets[i] = br.ReadS32();
}
// Go to mp's vertex data offset.
br.Goto(Offsets[0]);
// Calculate amount of vertices.
int verticeCount = (Offsets[1] - Offsets[0]) / 12;
// Define new list to hold vertices.
Vertices = new List <Vec3>();
// Loop through vertices.
for (int i = 0; i < verticeCount; i++)
{
// Read vertex and add it to the list of vertices.
Vertices.Add(br.ReadVec3());
}
// Go to mp's normals offset.
br.Goto(Offsets[1]);
// Calculate amount of normals.
int normalCount = (Offsets[2] - Offsets[1]) / 12;
// Define new list to hold normals.
Normals = new List <Vec3>();
// Loop through normals.
for (int i = 0; i < normalCount; i++)
{
// Read normal and add it to the normal list.
Normals.Add(br.ReadVec3());
}
// Go to mp's triangle data offset.
br.Goto(Offsets[2]);
// Calculate amount of triangles.
int triangleDataCount = (Offsets[3] - Offsets[2]) / 24;
// Define new list to hold triangle data.
TriangleData = new List <TriangleData>();
// Loop through triangles.
for (int i = 0; i < triangleDataCount; i++)
{
// Read triangle and add it to the triangle data list.
TriangleData.Add(new TriangleData(br));
}
// Go to mp's triangle group offset.
br.Goto(Offsets[3]);
// Define new list to hold triangle groups.
TriangleGroups = new List <TriangleGroup>();
// Make sure first ushort is 0xFFFF.
if (br.ReadU16() != 0xFFFF)
{
throw new FormatException("Start of triangle groups section was not 0xFFFF!");
}
// We'll read triangle groups as long as we're not entering the next section.
while (br.Position() < Offsets[4] - 2)
{
// Read group and add it to the groups list.
TriangleGroups.Add(new TriangleGroup(br));
}
// Make sure last ushort is 0xFFFF.
if (br.ReadU16() != 0xFFFF)
{
throw new FormatException("End of triangle groups section was not 0xFFFF!");
}
// Go to mp's grid index offset.
br.Goto(Offsets[4]);
// Calculate amount of grid index entries. (Offset 5 is a duplicate of offset 4)
int gridIndexCount = (Offsets[6] - Offsets[4]) / 8;
// Define new list to hold grid indices.
GridIndices = new List <GridIndex>();
// Loop through grid indices.
for (int i = 0; i < gridIndexCount; i++)
{
GridIndices.Add(new GridIndex(br));
}
// Go to mp's unknown offset.
br.Goto(Offsets[6]);
// Define new list to hold unknown data.
Unknowns = new List <Unknown>();
// We'll read unknowns as long as we're not reading padding EOF.
while (br.Position() < br.GetStream().Length)
{
// Check if next byte is 0xFF. (More data)
if (br.Read() == 0xFF)
{
// Jump back a byte, since we checked for data.
br.Sail(-1);
// Read unknown and add it to the unknowns list.
Unknowns.Add(new Unknown(br));
}
else
{
// We've reached padding, stop reading.
break;
}
}
}
