/// <summary>
/// Returns HEU_UploadMeshData with mesh data found on meshGameObject.
/// </summary>
/// <param name="meshGameObject">The GameObject to query mesh data from</param>
/// <returns>A valid HEU_UploadMeshData if mesh data found or null</returns>
public static HEU_UploadMeshData CreateSingleMeshData(GameObject meshGameObject)
{
HEU_UploadMeshData meshData = new HEU_UploadMeshData();
MeshFilter meshfilter = meshGameObject.GetComponent<MeshFilter>();
if (meshfilter == null)
{
return null;
}
if (meshfilter.sharedMesh == null)
{
return null;
}
meshData._mesh = meshfilter.sharedMesh;
meshData._numVertices = meshData._mesh.vertexCount;
meshData._numSubMeshes = meshData._mesh.subMeshCount;
meshData._meshName = meshGameObject.name;
meshData._meshPath = HEU_AssetDatabase.GetAssetOrScenePath(meshGameObject);
if (string.IsNullOrEmpty(meshData._meshPath))
{
meshData._meshPath = meshGameObject.name;
}
MeshRenderer meshRenderer = meshGameObject.GetComponent<MeshRenderer>();
if (meshRenderer != null)
{
meshData._materials = meshRenderer.sharedMaterials;
}
return meshData;
}
/// <summary>
/// Generate list of HEU_UploadMeshData with data from meshes found on and under inputObject.
/// If inputObject is a LODGroup, this will create mesh data for each LOD mesh under it.
/// Otherwise a single HEU_UploadMeshData is returned in the list.
/// </summary>
/// <param name="inputObject">The GameObject to query mesh data from</param>
/// <param name="bHasLODGroup">Set whether LOD group was found</param>
/// <returns>List of HEU_UploadMeshData</returns>
public static List<HEU_UploadMeshData> GenerateMeshDatasFromInputObject(GameObject inputObject, out bool bHasLODGroup)
{
List<HEU_UploadMeshData> meshDatas = new List<HEU_UploadMeshData>();
bHasLODGroup = false;
LODGroup lodGroup = inputObject.GetComponent<LODGroup>();
if (lodGroup != null)
{
bHasLODGroup = true;
LOD[] lods = lodGroup.GetLODs();
for (int i = 0; i < lods.Length; ++i)
{
if (lods[i].renderers != null && lods[i].renderers.Length > 0)
{
GameObject childGO = lods[i].renderers[0].gameObject;
HEU_UploadMeshData meshData = CreateSingleMeshData(childGO);
if (meshData != null)
{
meshData._LODScreenTransition = lods[i].screenRelativeTransitionHeight;
meshDatas.Add(meshData);
}
}
}
}
else
{
HEU_UploadMeshData meshData = CreateSingleMeshData(inputObject);
if (meshData != null)
{
meshDatas.Add(meshData);
}
}
return meshDatas;
}