public override bool Equals(object obj)
{
if (obj == null || GetType() != obj.GetType())
{
return(false);
}
Vector3ToHash other = (Vector3ToHash)obj;
return(other.m_v == m_v);
}
public static Mesh RemoveDoubles(Mesh mesh)
{
int[] trisArray = mesh.triangles;
Vector3[] vertexArray = mesh.vertices;
Vector2[] uvArray = mesh.uv;
Vector2[] uv2Array = mesh.uv2;
Vector2[] uv3Array = mesh.uv3;
Vector2[] uv4Array = mesh.uv4;
Vector3[] normalsArray = mesh.normals;
Vector4[] tangentsArray = mesh.tangents;
Color[] colorsArray = mesh.colors;
bool hasUV = mesh.uv.Length > 0;
bool hasUV2 = mesh.uv2.Length > 0;
bool hasUV3 = mesh.uv3.Length > 0;
bool hasUV4 = mesh.uv4.Length > 0;
bool hasNormals = mesh.normals.Length > 0;
bool hasTangents = mesh.tangents.Length > 0;
bool hasColors = mesh.colors.Length > 0;
List <int> tris = new List <int>();
List <Vector3> vertices = new List <Vector3>();
List <Vector2> uv = new List <Vector2>();
List <Vector2> uv2 = new List <Vector2>();
List <Vector2> uv3 = new List <Vector2>();
List <Vector2> uv4 = new List <Vector2>();
List <Vector3> normals = new List <Vector3>();
List <Vector4> tangents = new List <Vector4>();
List <Color> colors = new List <Color>();
Dictionary <Vector3ToHash, int> m_vertexToIndex = new Dictionary <Vector3ToHash, int>();
int newIndex = 0;
for (int i = 0; i < trisArray.Length; ++i)
{
int index = trisArray[i];
Vector3 vertex = vertexArray[index];
Vector3ToHash vToHash = new Vector3ToHash(vertex);
if (!m_vertexToIndex.ContainsKey(vToHash))
{
vertices.Add(vertex);
m_vertexToIndex.Add(vToHash, newIndex);
if (hasUV)
{
uv.Add(uvArray[index]);
}
if (hasUV2)
{
uv2.Add(uv2Array[index]);
}
if (hasUV3)
{
uv3.Add(uv3Array[index]);
}
if (hasUV4)
{
uv4.Add(uv4Array[index]);
}
if (hasNormals)
{
normals.Add(normalsArray[index]);
}
if (hasTangents)
{
tangents.Add(tangentsArray[index]);
}
if (hasColors)
{
colors.Add(colorsArray[index]);
}
tris.Add(newIndex);
newIndex++;
}
else
{
int existingIndex = m_vertexToIndex[vToHash];
tris.Add(existingIndex);
}
}
Mesh result = new Mesh();
result.indexFormat = IndexFormat.UInt32;
result.vertices = vertices.ToArray();
result.triangles = tris.ToArray();
result.uv = uv.ToArray();
result.uv2 = uv2.ToArray();
result.uv3 = uv3.ToArray();
result.uv4 = uv4.ToArray();
result.normals = normals.ToArray();
result.tangents = tangents.ToArray();
result.colors = colors.ToArray();
return(result);
}
