public M2 GetOrReadM2(MapDoodadDefinition definition)
{
M2 wmo;
if (!M2s.TryGetValue(definition.FilePath, out wmo))
{
M2s.Add(definition.FilePath, wmo = M2Reader.ReadM2(WCellTerrainSettings.GetDefaultMPQFinder(), definition));
}
return wmo;
}
public static M2 ReadM2(MpqLibrarian librarian, MapDoodadDefinition doodadDefinition)
{
var model = M2Reader.ReadM2(librarian, doodadDefinition.FilePath, false);
var tempIndices = new List<int>();
foreach (var tri in model.BoundingTriangles)
{
tempIndices.Add(tri.Index0);
tempIndices.Add(tri.Index1);
tempIndices.Add(tri.Index2);
}
var currentM2 = TransformM2(model, tempIndices, doodadDefinition);
currentM2.Bounds = new BoundingBox(currentM2.Vertices.ToArray());
return currentM2;
}
static M2 TransformM2(M2Model model, IEnumerable<int> indicies, MapDoodadDefinition mddf)
{
var currentM2 = new M2();
currentM2.Vertices.Clear();
currentM2.Indices.Clear();
var posX = (mddf.Position.X - TerrainConstants.CenterPoint) * -1;
var posY = (mddf.Position.Y - TerrainConstants.CenterPoint) * -1;
var origin = new Vector3(posX, posY, mddf.Position.Z);
// Create the scale matrix used in the following loop.
Matrix scaleMatrix;
Matrix.CreateScale(mddf.Scale, out scaleMatrix);
// Creation the rotations
var rotateZ = Matrix.CreateRotationZ(MathHelper.ToRadians(mddf.OrientationB + 180));
var rotateY = Matrix.CreateRotationY(MathHelper.ToRadians(mddf.OrientationA));
var rotateX = Matrix.CreateRotationX(MathHelper.ToRadians(mddf.OrientationC));
var worldMatrix = Matrix.Multiply(scaleMatrix, rotateZ);
worldMatrix = Matrix.Multiply(worldMatrix, rotateX);
worldMatrix = Matrix.Multiply(worldMatrix, rotateY);
for (var i = 0; i < model.BoundingVertices.Length; i++)
{
var position = model.BoundingVertices[i];
var normal = model.BoundingNormals[i];
// Scale and Rotate
Vector3 rotatedPosition;
Vector3.Transform(ref position, ref worldMatrix, out rotatedPosition);
Vector3 rotatedNormal;
Vector3.Transform(ref normal, ref worldMatrix, out rotatedNormal);
rotatedNormal.Normalize();
// Translate
Vector3 finalVector;
Vector3.Add(ref rotatedPosition, ref origin, out finalVector);
currentM2.Vertices.Add(finalVector);
}
currentM2.Indices.AddRange(indicies);
return currentM2;
}
public static M2 ReadM2(MpqLibrarian librarian, MapDoodadDefinition doodadDefinition)
{
var filePath = doodadDefinition.FilePath;
var ext = Path.GetExtension(filePath);
if (ext.Equals(".mdx") ||
ext.Equals(".mdl"))
{
filePath = Path.ChangeExtension(filePath, ".m2");
}
var model = M2Reader.ReadM2(librarian, doodadDefinition.FilePath);
var tempIndices = new List<int>();
foreach (var tri in model.BoundingTriangles)
{
tempIndices.Add(tri.Index2);
tempIndices.Add(tri.Index1);
tempIndices.Add(tri.Index0);
}
var currentM2 = TransformM2(model, tempIndices, doodadDefinition);
var tempVertices = currentM2.Vertices;
var bounds = new BoundingBox(tempVertices.ToArray());
currentM2.Bounds = bounds;
return currentM2;
}
static void ReadMDDF(BinaryReader fileReader, ADT adt)
{
var type = fileReader.ReadUInt32();
var size = fileReader.ReadUInt32();
var endPos = fileReader.BaseStream.Position + size;
while (fileReader.BaseStream.Position < endPos)
{
var doodadDefinition = new MapDoodadDefinition();
var nameIndex = fileReader.ReadInt32();
doodadDefinition.FilePath = adt.ModelFiles[nameIndex]; // 4 bytes
doodadDefinition.UniqueId = fileReader.ReadUInt32(); // 4 bytes
var Y = fileReader.ReadSingle();
var Z = fileReader.ReadSingle();
var X = fileReader.ReadSingle();
doodadDefinition.Position = new Vector3(X, Y, Z); // 12 bytes
doodadDefinition.OrientationA = fileReader.ReadSingle(); // 4 Bytes
doodadDefinition.OrientationB = fileReader.ReadSingle(); // 4 Bytes
doodadDefinition.OrientationC = fileReader.ReadSingle(); // 4 Bytes
doodadDefinition.Scale = fileReader.ReadUInt16() / 1024f; // 2 bytes
doodadDefinition.Flags = fileReader.ReadUInt16(); // 2 bytes
adt.DoodadDefinitions.Add(doodadDefinition);
}
}