private static Vector2 GetProjectionCoord(AutoUVDirection lDir, Vector3 lVertPos)
{
if (lDir == AutoUVDirection.XPos || lDir == AutoUVDirection.XNeg)
{
return(new Vector2(lVertPos.z, lVertPos.y));
}
else if (lDir == AutoUVDirection.YPos || lDir == AutoUVDirection.YNeg)
{
return(new Vector2(lVertPos.x, lVertPos.z));
}
else if (lDir == AutoUVDirection.ZPos || lDir == AutoUVDirection.ZNeg)
{
return(new Vector2(lVertPos.x, lVertPos.y));
}
return(Vector2.zero);
}
public static Mesh[] ConvertToMeshes(UMeshData lMeshData)
{
Vector3[] lPosVerts = lMeshData.PosVertices;
Vector3[] lUVVerts = lMeshData.UVVertices;
int lMeshCount = lMeshData.MeshFaceInfos.Length;
Mesh[] lMeshes = new Mesh[lMeshCount];
for (int m = 0; m < lMeshCount; m++)
{
Mesh lMesh = new Mesh();
FaceInfo[] lFaceInfos = lMeshData.MeshFaceInfos[m];
int lVertCount = 0;
int lTriCount = 0;
for (int f = 0; f < lFaceInfos.Length; f++)
{
lVertCount += lFaceInfos[f].Indices.Length;
if (lFaceInfos[f].Indices.Length > 2)
{
lTriCount += lFaceInfos[f].Indices.Length - 2;
}
}
int[] lTriangles = new int[lTriCount * 3];
int lTriIndex = 0;
if (m == 0)
{
for (int i = 0; i < lFaceInfos.Length; i++)
{
for (int j = 0; j < lFaceInfos[i].Indices.Length - 2; j++)
{
lTriangles[lTriIndex++] = lFaceInfos[i].Indices[0];
lTriangles[lTriIndex++] = lFaceInfos[i].Indices[j + 1];
lTriangles[lTriIndex++] = lFaceInfos[i].Indices[j + 2];
}
}
lMesh.vertices = lMeshData.PosVertices;
lMesh.triangles = lTriangles;
lMesh.RecalculateNormals();
lMesh.RecalculateTangents();
lMesh.RecalculateBounds();
lMesh.name = "Collider Mesh";
lMeshes[0] = lMesh;
}
else
{
Vector3[] lNewVerts = new Vector3[lVertCount];
Vector3[] lNormals = new Vector3[lVertCount];
Vector2[] lUVs = new Vector2[lVertCount];
int lVertIndex = 0;
int[][] lNewIndices = new int[lFaceInfos.Length][];
for (int f = 0; f < lFaceInfos.Length; f++)
{
FaceInfo lFaceInfo = lFaceInfos[f];
Plane lPlane = lFaceInfo.Plane;
TextureData lTexData = lPlane.TextureData;
int[] lIndices = lFaceInfo.Indices;
float lMinAngle = 360f;
AutoUVDirection lDir = AutoUVDirection.XPos;
for (int j = 0; j < s_Directions.Length; j++)
{
float lAngle = Vector3.Angle(-lPlane.Normal, s_Directions[j]) - s_DirectionTolerance[j];
if (lMinAngle > lAngle)
{
lMinAngle = lAngle;
lDir = (AutoUVDirection)j;
}
}
lNewIndices[f] = new int[lIndices.Length];
for (int j = 0; j < lIndices.Length; j++)
{
Vector3 lVertPos = lPosVerts[lIndices[j]];
Vector3 lVertUV = lUVVerts[lIndices[j]];
//lVertPos.x = (int)((lVertPos.x + 0.5f) * 64f + 0f) / 64f;
//lVertPos.y = (int)((lVertPos.y + 0.5f) * 64f + 0f) / 64f;
//lVertPos.z = (int)((lVertPos.z + 0.5f) * 64f + 0f) / 64f;
lNewVerts[lVertIndex] = lVertPos;
lNormals[lVertIndex] = -lPlane.Normal;
lUVs[lVertIndex] = GetProjectionCoord(lDir, lVertUV);
lUVs[lVertIndex] = Quaternion.Euler(0f, 0f, -lTexData.Angle) * lUVs[lVertIndex];
lUVs[lVertIndex] *= lTexData.Scale;
lUVs[lVertIndex] += lTexData.Offset;
lNewIndices[f][j] = lVertIndex;
lVertIndex++;
}
for (int j = 0; j < lNewIndices[f].Length - 2; j++)
{
lTriangles[lTriIndex++] = lNewIndices[f][0];
lTriangles[lTriIndex++] = lNewIndices[f][j + 1];
lTriangles[lTriIndex++] = lNewIndices[f][j + 2];
}
}
if (lVertIndex >= 3)
{
lMesh.vertices = lNewVerts;
lMesh.triangles = lTriangles;
lMesh.normals = lNormals;
lMesh.uv = lUVs;
lMesh.RecalculateTangents();
lMesh.RecalculateBounds();
lMesh.name = "Visible Mesh";
lMeshes[m] = lMesh;
}
else
{
lMeshes[m] = null;
}
}
}
return(lMeshes);
}