public int GetHashCode(VertexInfo a)
{
return(GetHashCode(a.Position) * GetHashCode(a.TexCoords));
}
public bool Create(MeshPartInfo info, Vector3 Offset)
{
if (info.VertexPositions.Count == 0)
{
return(false);
}
Color = info.Color;
Texture = info.Texture;
TransparentTexture = info.TransparentTexture;
Indices.Clear();
var positions = new List <Vector3>();
var texCoords = new List <Vector2>();
var pointnsDict = new Dictionary <VertexInfo, int>(new VectorEqualityComparer());
var positionsDict = new Dictionary <Vector3, int>(new VectorEqualityComparer());
for (var i = 0; i < info.VertexPositions.Count; i++)
{
var vertexInfo = new VertexInfo
{
Position = info.VertexPositions[i] + Offset,
TexCoords = info.TextureCoords[i]
};
if (!pointnsDict.ContainsKey(vertexInfo))
{
var index = positions.Count;
if (!positionsDict.ContainsKey(vertexInfo.Position))
{
positionsDict.Add(vertexInfo.Position, MorphPoints.Count);
PointIndices.Add(MorphPoints.Count);
MorphPoints.Add(new MorphingPoint
{
Indices = new List <int> {
index
},
Position = vertexInfo.Position
});
}
else
{
var id = positionsDict[vertexInfo.Position];
PointIndices.Add(id);
MorphPoints[id].Indices.Add(index);
}
pointnsDict.Add(vertexInfo, index);
Indices.Add((uint)index);
positions.Add(vertexInfo.Position);
texCoords.Add(vertexInfo.TexCoords);
}
else
{
PointIndices.Add(positionsDict[vertexInfo.Position]);
Indices.Add((uint)pointnsDict[vertexInfo]);
}
}
CountIndices = Indices.Count;
Vertices = new Vertex3d[positions.Count];
var normals = Normal.CalculateNormals(positions, Indices);
for (var i = 0; i < Vertices.Length; i++)
{
Vertices[i].OriginalPosition = Vertices[i].Position = positions[i];
Vertices[i].Normal = normals[i];
Vertices[i].TexCoord = texCoords[i];
Vertices[i].Color = Vector4.One;
}
Destroy();
GL.GenBuffers(1, out VertexBuffer);
GL.GenBuffers(1, out IndexBuffer);
return(true);
}
public bool Equals(VertexInfo a, VertexInfo b)
{
return(EqualsVector3(a.Position, b.Position) && Equals(a.TexCoords, b.TexCoords));
}