private void cacheNumInstances()
{
var obj_idx = prAsset.findObjectByNodeId(prObjectId);
HAPI_ObjectInfo object_info = prAsset.prObjects[obj_idx];
// Get Detail info.
HAPI_GeoInfo geo_info = HoudiniHost.getDisplayGeoInfo(prObjectId);
if (geo_info.partCount == 0)
{
return;
}
HAPI_PartInfo part_info = HoudiniHost.getPartInfo(geo_info.nodeId, 0);
if (prAsset.prEnableLogging)
{
Debug.Log("Instancer #" + prObjectId + " (" + object_info.name + "): "
+ "points: " + part_info.pointCount);
}
if (part_info.pointCount > 65000)
{
throw new HoudiniError("Point count (" + part_info.pointCount + ") above limit (" + 65000 + ")!");
}
myNumInstances = part_info.pointCount;
}
public void createSphereCollider(HAPI_PartInfo part_info)
{
GameObject sphere_collider_obj =
new GameObject(part_info.name + "_sphere_collider_" + prGeoControl.prNodeId);
sphere_collider_obj.transform.SetParent(gameObject.transform);
sphere_collider_obj.isStatic = gameObject.isStatic;
// Need to reset position here because the assignment above will massage the child's
// position in order to be in the same place it was in the global namespace.
sphere_collider_obj.transform.localPosition = new Vector3();
sphere_collider_obj.transform.localRotation = new Quaternion();
sphere_collider_obj.transform.localScale = new Vector3(1.0f, 1.0f, 1.0f);
sphere_collider_obj.AddComponent <SphereCollider>();
HAPI_SphereInfo sphere_info = HoudiniHost.getSphereInfo(prGeoControl.prNodeId, part_info.id);
SphereCollider sphere_collider = sphere_collider_obj.GetComponent <SphereCollider>();
sphere_collider.center = new Vector3(
-sphere_info.center[0],
sphere_info.center[1],
sphere_info.center[2]);
sphere_collider.radius = sphere_info.radius;
sphere_collider.enabled = false;
sphere_collider.enabled = true;
removeComponent <MeshCollider>();
}
private void cacheNumInstances()
{
HAPI_ObjectInfo object_info = prAsset.prObjects[prObjectId];
// Get Detail info.
HAPI_GeoInfo geo_info = new HAPI_GeoInfo();
HoudiniHost.getGeoInfo(prAsset.prAssetId, prObjectId, 0, out geo_info);
if (geo_info.partCount == 0)
{
return;
}
HAPI_PartInfo part_info = new HAPI_PartInfo();
HoudiniHost.getPartInfo(prAsset.prAssetId, prObjectId, 0, 0, out part_info);
if (prAsset.prEnableLogging)
{
Debug.Log("Instancer #" + prObjectId + " (" + object_info.name + "): "
+ "points: " + part_info.pointCount);
}
if (part_info.pointCount > 65000)
{
throw new HoudiniError("Point count (" + part_info.pointCount + ") above limit (" + 65000 + ")!");
}
myNumInstances = part_info.pointCount;
}
//[ MenuItem( HoudiniConstants.HAPI_PRODUCT_NAME + "/Create Simple Input Geo", false, 1000 ) ]
static private void createSimpleInputGeo()
{
int asset_id = HoudiniHost.createInputNode("simple_input_geo_test");
HoudiniHost.cookNode(
asset_id,
HoudiniHost.prSplitGeosByGroup,
HoudiniHost.prSplitPointsByVertexAttributes,
HoudiniHost.prImportTemplatedGeos);
HAPI_PartInfo new_part = new HAPI_PartInfo();
new_part.vertexCount = 3;
new_part.pointCount = 3;
new_part.faceCount = 1;
new_part.type = HAPI_PartType.HAPI_PARTTYPE_MESH;
HoudiniHost.setPartInfo(0, 0, ref new_part);
HAPI_AttributeInfo attrib_info = new HAPI_AttributeInfo("P");
attrib_info.exists = true;
attrib_info.count = 3; // 3 points
attrib_info.tupleSize = 3; // 3 floats per point (x, y, z)
attrib_info.owner = HAPI_AttributeOwner.HAPI_ATTROWNER_POINT;
attrib_info.storage = HAPI_StorageType.HAPI_STORAGETYPE_FLOAT;
HoudiniHost.addAttribute(0, 0, "P", ref attrib_info);
float[] positions = new float[9] {
0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f
};
HoudiniHost.setAttributeFloatData(0, 0, "P", ref attrib_info, positions, 0, 3);
int[] vertices = new int[3] {
0, 1, 2
};
HoudiniHost.setVertexList(0, 0, vertices, 0, 3);
int[] face_counts = new int[1] {
3
}; // 3 edges for the first face (the only face)
HoudiniHost.setFaceCounts(0, 0, face_counts, 0, 1);
bool[] point_group_mem = new bool[3] {
true, true, false
};
HoudiniHost.addGroup(0, 0, HAPI_GroupType.HAPI_GROUPTYPE_POINT, "test_pt_group");
HoudiniHost.setGroupMembership(
0, 0, HAPI_GroupType.HAPI_GROUPTYPE_POINT, "test_pt_group", point_group_mem, 3);
bool[] prim_group_mem = new bool[1] {
true
};
HoudiniHost.addGroup(0, 0, HAPI_GroupType.HAPI_GROUPTYPE_PRIM, "test_prim_group");
HoudiniHost.setGroupMembership(
0, 0, HAPI_GroupType.HAPI_GROUPTYPE_PRIM, "test_prim_group", prim_group_mem, 1);
HoudiniHost.commitGeo(0);
}
//[ MenuItem( HoudiniConstants.HAPI_PRODUCT_NAME + "/Create Two Curves and a Merge", false, 1000 ) ]
static private void blah()
{
int curve1 = HoudiniHost.createInputAsset("curve1");
{
HAPI_PartInfo new_part = new HAPI_PartInfo();
new_part.vertexCount = 3;
new_part.pointCount = 3;
new_part.faceCount = 2;
new_part.type = HAPI_PartType.HAPI_PARTTYPE_CURVE;
HoudiniHost.setPartInfo(curve1, 0, 0, ref new_part);
HAPI_AttributeInfo attrib_info = new HAPI_AttributeInfo("P");
attrib_info.exists = true;
attrib_info.count = 3; // 3 points
attrib_info.tupleSize = 3; // 3 floats per point (x, y, z)
attrib_info.owner = HAPI_AttributeOwner.HAPI_ATTROWNER_POINT;
attrib_info.storage = HAPI_StorageType.HAPI_STORAGETYPE_FLOAT;
HoudiniHost.addAttribute(curve1, 0, 0, "P", ref attrib_info);
float[] positions = new float[9] {
0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f
};
HoudiniHost.setAttributeFloatData(curve1, 0, 0, "P", ref attrib_info, positions, 0, 3);
int[] vertices = new int[3] {
0, 1, 2
};
HoudiniHost.setVertexList(curve1, 0, 0, vertices, 0, 3);
int[] face_counts = new int[2] {
2, 2
}; // 3 edges for the first face (the only face)
HoudiniHost.setFaceCounts(curve1, 0, 0, face_counts, 0, 2);
HoudiniHost.commitGeo(curve1, 0, 0);
}
int curve2 = HoudiniHost.createInputAsset("curve2");
int merge = HoudiniHost.instantiateAsset("SOP/merge", true);
int convert = HoudiniHost.instantiateAsset("SOP/convert", true);
HoudiniHost.connectAssetGeometry(curve1, 0, merge, 0);
HoudiniHost.connectAssetGeometry(curve2, 0, merge, 1);
HoudiniHost.connectAssetGeometry(merge, 0, convert, 0);
HAPI_AssetInfo convert_info = HoudiniHost.getAssetInfo(convert);
Debug.Log(HoudiniHost.getNodeInfo(HoudiniHost.getAssetInfo(merge).nodeId).parmCount);
int convert_to_parm_id = HoudiniHost.getParmIdFromName(convert_info.nodeId, "totype");
//HAPI_ParmInfo[] convert_to_parm_info = new HAPI_ParmInfo[ 1 ];
int[] value_arr = new int[1];
value_arr[0] = 2;
HoudiniHost.setParmIntValues(convert_info.nodeId, value_arr, convert_to_parm_id, 1);
HoudiniHost.cookAsset(convert, true, false);
}
//[ MenuItem( HoudiniConstants.HAPI_PRODUCT_NAME + "/Create Two Curves and a Merge", false, 1000 ) ]
private static void blah()
{
int curve1 = HoudiniHost.createInputAsset( "curve1" );
{
HAPI_PartInfo new_part = new HAPI_PartInfo();
new_part.vertexCount = 3;
new_part.pointCount = 3;
new_part.faceCount = 2;
new_part.type = HAPI_PartType.HAPI_PARTTYPE_CURVE;
HoudiniHost.setPartInfo( curve1, 0, 0, ref new_part );
HAPI_AttributeInfo attrib_info = new HAPI_AttributeInfo( "P" );
attrib_info.exists = true;
attrib_info.count = 3; // 3 points
attrib_info.tupleSize = 3; // 3 floats per point (x, y, z)
attrib_info.owner = HAPI_AttributeOwner.HAPI_ATTROWNER_POINT;
attrib_info.storage = HAPI_StorageType.HAPI_STORAGETYPE_FLOAT;
HoudiniHost.addAttribute( curve1, 0, 0, "P", ref attrib_info );
float[] positions = new float[ 9 ] { 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f };
HoudiniHost.setAttributeFloatData( curve1, 0, 0, "P", ref attrib_info, positions, 0, 3 );
int[] vertices = new int[ 3 ] { 0, 1, 2 };
HoudiniHost.setVertexList( curve1, 0, 0, vertices, 0, 3 );
int[] face_counts = new int[ 2 ] { 2, 2 }; // 3 edges for the first face (the only face)
HoudiniHost.setFaceCounts( curve1, 0, 0, face_counts, 0, 2 );
HoudiniHost.commitGeo( curve1, 0, 0 );
}
int curve2 = HoudiniHost.createInputAsset( "curve2" );
int merge = HoudiniHost.instantiateAsset( "SOP/merge", true );
int convert = HoudiniHost.instantiateAsset( "SOP/convert", true );
HoudiniHost.connectAssetGeometry( curve1, 0, merge, 0 );
HoudiniHost.connectAssetGeometry( curve2, 0, merge, 1 );
HoudiniHost.connectAssetGeometry( merge, 0, convert, 0 );
HAPI_AssetInfo convert_info = HoudiniHost.getAssetInfo( convert );
Debug.Log( HoudiniHost.getNodeInfo( HoudiniHost.getAssetInfo( merge ).nodeId ).parmCount );
int convert_to_parm_id = HoudiniHost.getParmIdFromName( convert_info.nodeId, "totype" );
//HAPI_ParmInfo[] convert_to_parm_info = new HAPI_ParmInfo[ 1 ];
int[] value_arr = new int[ 1 ];
value_arr[ 0 ] = 2;
HoudiniHost.setParmIntValues( convert_info.nodeId, value_arr, convert_to_parm_id, 1 );
HoudiniHost.cookAsset( convert, true, false );
}
/// <summary>
/// Query each geometry container's parts to get the actual geometry data.
/// A HAPI_GeoInfo represents a SOP geometry container that might have one or more
/// HAPI_PartInfos.A geometry containing more than one part could mean different
/// geometry types merged together, or different layers in a heightfield volume.
/// </summary>
/// <param name="session">Houdini Engine session</param>
/// <param name="geoInfo">The HEU_GeoInfo pertaining to the geometry to query</param>
public static void QueryGeoParts(HEU_SessionBase session, ref HAPI_GeoInfo geoInfo)
{
int numParts = geoInfo.partCount;
for (int i = 0; i < numParts; ++i)
{
HAPI_PartInfo partInfo = new HAPI_PartInfo();
if (!session.GetPartInfo(geoInfo.nodeId, 0, ref partInfo))
{
continue;
}
StringBuilder sb = new StringBuilder();
// Process each geometry by its type
if (partInfo.type == HAPI_PartType.HAPI_PARTTYPE_MESH)
{
// Meshes
sb.AppendLine(string.Format("Mesh part at {0} with vertex count {1}, point count {2}, and primitive count {3}",
i, partInfo.vertexCount, partInfo.pointCount, partInfo.faceCount));
}
else if (partInfo.type == HAPI_PartType.HAPI_PARTTYPE_VOLUME)
{
// Heightfield / terrain
sb.AppendLine(string.Format("Volume part at {0}", i));
}
else if (partInfo.type == HAPI_PartType.HAPI_PARTTYPE_CURVE)
{
// Curves
sb.AppendLine(string.Format("Curve part at {0}", i));
}
else if (partInfo.type == HAPI_PartType.HAPI_PARTTYPE_INSTANCER)
{
// Instancer
sb.AppendLine(string.Format("Instancer part at {0}", i));
}
else if (partInfo.type == HAPI_PartType.HAPI_PARTTYPE_INVALID)
{
// Not valid Houdini Engine type - ignore
sb.AppendLine(string.Format("Invalid part at {0}", i));
}
// Query attributes for each part
QueryPartAttributeByOwner(session, geoInfo.nodeId, i, HAPI_AttributeOwner.HAPI_ATTROWNER_DETAIL, partInfo.detailAttributeCount, sb);
QueryPartAttributeByOwner(session, geoInfo.nodeId, i, HAPI_AttributeOwner.HAPI_ATTROWNER_PRIM, partInfo.primitiveAttributeCount, sb);
QueryPartAttributeByOwner(session, geoInfo.nodeId, i, HAPI_AttributeOwner.HAPI_ATTROWNER_POINT, partInfo.pointAttributeCount, sb);
QueryPartAttributeByOwner(session, geoInfo.nodeId, i, HAPI_AttributeOwner.HAPI_ATTROWNER_VERTEX, partInfo.vertexAttributeCount, sb);
Debug.Log("Part: \n" + sb.ToString());
}
}
public void createBoxCollider(HAPI_PartInfo part_info)
{
GameObject box_collider_obj =
new GameObject(part_info.name + "_box_collider_" + prGeoControl.prNodeId);
box_collider_obj.transform.SetParent(gameObject.transform);
box_collider_obj.isStatic = gameObject.isStatic;
// Need to reset position here because the assignment above will massage the child's
// position in order to be in the same place it was in the global namespace.
box_collider_obj.transform.localPosition = new Vector3();
box_collider_obj.transform.localRotation = new Quaternion();
box_collider_obj.transform.localScale = new Vector3(1.0f, 1.0f, 1.0f);
box_collider_obj.AddComponent <BoxCollider>();
HAPI_BoxInfo box_info = HoudiniHost.getBoxInfo(prGeoControl.prNodeId, part_info.id);
BoxCollider box_collider = box_collider_obj.GetComponent <BoxCollider>();
box_collider.center = new Vector3(
-box_info.center[0],
box_info.center[1],
box_info.center[2]);
box_collider.size = new Vector3(
box_info.size[0] * 2,
box_info.size[1] * 2,
box_info.size[2] * 2);
box_collider.transform.rotation = Quaternion.Euler(
box_info.rotation[2],
-box_info.rotation[1],
-box_info.rotation[0]);
box_collider.enabled = false;
box_collider.enabled = true;
removeComponent <MeshCollider>();
}
public static HAPI_MaterialInfo getMaterialOnPart(
HAPI_AssetId asset_id, HAPI_ObjectId object_id, HAPI_GeoId geo_id, HAPI_PartId part_id )
{
#if ( UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX || ( UNITY_METRO && UNITY_EDITOR ) )
#if true
HAPI_MaterialInfo material_info = new HAPI_MaterialInfo();
HAPI_Result status_code = HAPI_GetMaterialOnPart(
ref mySession, asset_id, object_id, geo_id, part_id, out material_info );
processStatusCode( status_code );
#else
HAPI_PartInfo part_info = new HAPI_PartInfo();
HAPI_Result status_code = HAPI_GetPartInfo(
asset_id, object_id, geo_id, part_id, out part_info );
processStatusCode( status_code );
bool are_all_the_same = false;
int[] material_ids = new int[ 1 ];
status_code = HAPI_GetMaterialIdsOnFaces(
asset_id, object_id, geo_id, part_id, ref are_all_the_same, material_ids, 0, 1 );
processStatusCode( status_code );
HAPI_MaterialInfo material_info = new HAPI_MaterialInfo();
status_code = HAPI_GetMaterialInfo( asset_id, material_ids[ 0 ], out material_info );
processStatusCode( status_code );
#endif
return material_info;
#else
throw new HoudiniErrorUnsupportedPlatform();
#endif
}
// MATERIALS ------------------------------------------------------------------------------------------------
public static HAPI_MaterialInfo[] getMaterialsOnFaces(
HAPI_AssetId asset_id, HAPI_ObjectId object_id, HAPI_GeoId geo_id, HAPI_PartId part_id )
{
#if ( UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX || ( UNITY_METRO && UNITY_EDITOR ) )
HAPI_PartInfo part_info = new HAPI_PartInfo();
HAPI_Result status_code = HAPI_GetPartInfo(
ref mySession, asset_id, object_id, geo_id, part_id, out part_info );
processStatusCode( status_code );
bool are_all_the_same = false;
int[] material_ids = new int[ part_info.faceCount ];
status_code = HAPI_GetMaterialIdsOnFaces(
ref mySession, asset_id, object_id, geo_id, part_id,
ref are_all_the_same, material_ids, 0, part_info.faceCount );
processStatusCode( status_code );
HAPI_MaterialInfo material_info = new HAPI_MaterialInfo();
HAPI_MaterialInfo[] material_infos = new HAPI_MaterialInfo[ part_info.faceCount ];
for ( int m = 0; m < part_info.faceCount; ++m )
{
status_code = HAPI_GetMaterialInfo( ref mySession, asset_id, material_ids[ m ], out material_info );
processStatusCode( status_code );
material_infos[ m ] = material_info;
}
return material_infos;
#else
throw new HoudiniErrorUnsupportedPlatform();
#endif
}
public static HAPI_Transform[] getInstancerPartTransforms(
HAPI_AssetId asset_id, HAPI_ObjectId object_id, HAPI_GeoId geo_id, HAPI_PartId part_id,
HAPI_RSTOrder rst_order )
{
#if ( UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX || ( UNITY_METRO && UNITY_EDITOR ) )
HAPI_PartInfo part_info = new HAPI_PartInfo();
HAPI_Result status_code = HAPI_GetPartInfo( ref mySession, asset_id, object_id, geo_id, part_id, out part_info );
processStatusCode( status_code );
int count = part_info.instanceCount;
HAPI_Transform[] transforms = new HAPI_Transform[ count ];
if ( count > 0 )
{
status_code = HAPI_GetInstancerPartTransforms(
ref mySession, asset_id, object_id, geo_id, part_id, rst_order, transforms, 0, count );
processStatusCode( status_code );
}
return transforms;
#else
throw new HoudiniErrorUnsupportedPlatform();
#endif
}
public static bool[] getGroupMembership(
HAPI_AssetId asset_id, HAPI_ObjectId object_id, HAPI_GeoId geo_id, HAPI_PartId part_id,
HAPI_GroupType group_type,
string group_name )
{
#if ( UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX || ( UNITY_METRO && UNITY_EDITOR ) )
HAPI_PartInfo part_info = new HAPI_PartInfo();
HAPI_Result status_code = HAPI_GetPartInfo( ref mySession, asset_id, object_id, geo_id, part_id, out part_info );
processStatusCode( status_code );
int count = part_info.getElementCountByGroupType( group_type );
int[] membership = new int[ count ];
if ( count > 0 )
{
status_code = HAPI_GetGroupMembership(
ref mySession, asset_id, object_id, geo_id, part_id, group_type, group_name, membership, 0, count );
processStatusCode( status_code );
}
bool[] membership_bools = new bool[ count ];
for ( int i = 0; i < count; ++i )
membership_bools[ i ] = membership[ i ] > 0;
return membership_bools;
#else
throw new HoudiniErrorUnsupportedPlatform();
#endif
}
public bool sync(
int asset_id, int object_id, int geo_id, int part_id,
Mesh mesh, HAPI_AttributeInfo attribute_info)
{
int tuple_size = attribute_info.tupleSize;
prStorageType = attribute_info.storage;
prTupleSize = tuple_size;
myVertexCount = mesh.vertexCount;
Type type = prType;
if (myInitializedVertexCount != mesh.vertexCount)
{
int new_size = mesh.vertexCount * tuple_size;
if (type == Type.BOOL || type == Type.INT)
{
System.Array.Resize <int>(ref myIntData, new_size);
}
else if (type == Type.FLOAT)
{
System.Array.Resize <float>(ref myFloatData, new_size);
}
else if (type == Type.STRING)
{
System.Array.Resize <string>(ref myStringData, new_size);
}
}
if (myInitializedVertexCount < mesh.vertexCount)
{
// Get Vertex list.
HAPI_PartInfo part_info = new HAPI_PartInfo();
HoudiniHost.getPartInfo(
asset_id, object_id, geo_id, part_id, out part_info);
int[] vertex_list = new int[part_info.vertexCount];
HoudiniAssetUtility.getArray4Id(
asset_id, object_id, geo_id, part_id, HoudiniHost.getVertexList,
vertex_list, part_info.vertexCount);
if (type == Type.BOOL || type == Type.INT)
{
int[] data = new int[0];
HoudiniAssetUtility.getAttribute(
asset_id, object_id, geo_id, part_id,
myName,
ref attribute_info,
ref data,
HoudiniHost.getAttributeIntData);
for (int i = myInitializedVertexCount; i < part_info.vertexCount; ++i)
{
for (int tuple = 0; tuple < tuple_size; ++tuple)
{
prIntData[i * tuple_size + tuple] =
data[vertex_list[i] * tuple_size + tuple];
}
}
}
else if (type == Type.FLOAT)
{
float[] data = new float[0];
HoudiniAssetUtility.getAttribute(
asset_id, object_id, geo_id, part_id,
myName,
ref attribute_info,
ref data,
HoudiniHost.getAttributeFloatData);
for (int i = myInitializedVertexCount; i < part_info.vertexCount; ++i)
{
for (int tuple = 0; tuple < tuple_size; ++tuple)
{
prFloatData[i * tuple_size + tuple] =
data[vertex_list[i] * tuple_size + tuple];
}
}
}
else if (type == Type.STRING)
{
int[] data = new int[0];
HoudiniAssetUtility.getAttribute(
asset_id, object_id, geo_id, part_id,
myName,
ref attribute_info,
ref data,
HoudiniHost.getAttributeStringData);
for (int i = myInitializedVertexCount; i < part_info.vertexCount; ++i)
{
for (int tuple = 0; tuple < tuple_size; ++tuple)
{
prStringData[i * tuple_size + tuple] =
HoudiniHost.getString(data[vertex_list[i] * tuple_size + tuple]);
}
}
}
}
// If some of the data was already
bool needs_recook = myInitializedVertexCount > 0;
myInitializedVertexCount = mesh.vertexCount;
return(needs_recook);
}
public void refresh(bool reload_asset, bool has_geo_changed, bool has_material_changed)
{
if (prGeoControl == null)
{
Debug.LogError("Why is my geo control null on a refresh?");
return;
}
GameObject part_node = gameObject;
// Get Part info.
HAPI_PartInfo part_info = new HAPI_PartInfo();
HoudiniHost.getPartInfo(prAssetId, prObjectId, prGeoId, prPartId, out part_info);
bool is_empty = part_info.vertexCount <= 0 && part_info.pointCount <= 0;
bool is_mesh = (part_info.vertexCount > 0);
// For Debugging.
#if false
Debug.Log("ATTRIBS");
HoudiniAssetUtility.printAllAttributeNames(prAssetId, prObjectId, prGeoId, prPartId);
Debug.Log("GROUPS");
HoudiniAssetUtility.printAllGroups(prAssetId, prObjectId, prGeoId, prPartId);
Debug.Log("DONE");
Debug.Log("");
#endif
// TODO: Make this info a permanent UI display.
//if ( prEnableLogging && ( reload_asset || has_geo_changed || has_material_changed ) )
// Debug.Log( "Obj #" + part_control.prObjectId + " (" + part_control.prObjectName + "): "
// + "verts: " + part_info.vertexCount + " faces: " + part_info.faceCount );
if (reload_asset || has_geo_changed)
{
// Initialize our part control.
init(-1, part_info.id, part_info.name);
// Overwrite name.
part_node.name = part_info.name;
if (is_empty)
{
// Add required components.
MeshFilter mesh_filter = getOrCreateComponent <MeshFilter>();
// Get or create mesh.
Mesh part_mesh = mesh_filter.sharedMesh;
if (part_mesh == null)
{
mesh_filter.mesh = new Mesh();
part_mesh = mesh_filter.sharedMesh;
}
part_mesh.Clear();
}
else if (is_mesh) // Valid mesh.
{
// Add required components.
MeshFilter mesh_filter = getOrCreateComponent <MeshFilter>();
// Get or create mesh.
Mesh part_mesh = mesh_filter.sharedMesh;
if (part_mesh == null)
{
mesh_filter.mesh = new Mesh();
part_mesh = mesh_filter.sharedMesh;
}
part_mesh.Clear();
// Get mesh.
try
{
HoudiniAssetUtility.getMesh(
this, part_mesh, prAsset.prGenerateTangents && HoudiniHost.prGenerateTangents);
}
catch (HoudiniErrorIgnorable) {}
catch (HoudiniError error)
{
Debug.LogWarning(error.ToString());
return;
}
// Add collider if group name matches. (Should be added after the mesh is set so that it
// picks up the mesh automagically)
if (part_info.name.Contains(HoudiniHost.prRenderedCollisionGroupName))
{
MeshCollider mesh_collider = getOrCreateComponent <MeshCollider>();
getOrCreateComponent <MeshRenderer>();
mesh_collider.enabled = false;
mesh_collider.enabled = true;
}
else if (part_info.name.Contains(HoudiniHost.prCollisionGroupName))
{
MeshCollider mesh_collider = getOrCreateComponent <MeshCollider>();
mesh_collider.enabled = false;
mesh_collider.enabled = true;
}
else
{
getOrCreateComponent <MeshRenderer>();
}
#if !HAPI_PAINT_SUPPORT
if (myGeoControl.prGeoType == HAPI_GeoType.HAPI_GEOTYPE_INTERMEDIATE)
{
MeshRenderer mesh_renderer = getOrCreateComponent <MeshRenderer>();
MeshCollider mesh_collider = getOrCreateComponent <MeshCollider>();
if (myGeoControl.prGeoAttributeManager)
{
myGeoControl.prGeoAttributeManager.reInit(
part_mesh, mesh_renderer, mesh_collider, transform);
}
mesh_collider.enabled = false;
mesh_collider.enabled = true;
}
#endif // !HAPI_PAINT_SUPPORT
// Add Mesh-to-Prefab component.
HoudiniMeshToPrefab mesh_saver = getOrCreateComponent <HoudiniMeshToPrefab>();
mesh_saver.prGameObject = part_node;
mesh_saver.prMeshName = prAsset.prAssetName + "_" + part_node.name;
}
else if (HoudiniHost.prEnablePointsAsParticles && part_info.vertexCount <= 0 && part_info.pointCount > 0) // Particles?
{
// Get position attributes.
HAPI_AttributeInfo pos_attr_info = new HAPI_AttributeInfo(HoudiniConstants.HAPI_ATTRIB_POSITION);
float[] pos_attr = new float[0];
HoudiniAssetUtility.getAttribute(
prAssetId, prObjectId, prGeoId, prPartId, HoudiniConstants.HAPI_ATTRIB_POSITION,
ref pos_attr_info, ref pos_attr, HoudiniHost.getAttributeFloatData);
if (!pos_attr_info.exists)
{
throw new HoudiniError("No position attribute found.");
}
else if (pos_attr_info.owner != HAPI_AttributeOwner.HAPI_ATTROWNER_POINT)
{
throw new HoudiniErrorIgnorable("I only understand position as point attributes!");
}
// Get colour attributes.
HAPI_AttributeInfo colour_attr_info = new HAPI_AttributeInfo(HoudiniConstants.HAPI_ATTRIB_COLOR);
float[] colour_attr = new float[0];
HoudiniAssetUtility.getAttribute(
prAssetId, prObjectId, prGeoId, prPartId, HoudiniConstants.HAPI_ATTRIB_COLOR,
ref colour_attr_info, ref colour_attr, HoudiniHost.getAttributeFloatData);
ParticleEmitter particle_emitter = part_node.GetComponent <ParticleEmitter>();
if (particle_emitter == null)
{
#if UNITY_4_3 || UNITY_4_4 || UNITY_4_5 || UNITY_4_6
particle_emitter = part_node.AddComponent("EllipsoidParticleEmitter") as ParticleEmitter;
#else
particle_emitter = part_node.AddComponent <EllipsoidParticleEmitter>() as ParticleEmitter;
#endif // UNITY_4_3 || UNITY_4_4 || UNITY_4_5 || UNITY_4_6
}
particle_emitter.ClearParticles();
particle_emitter.emit = false;
particle_emitter.useWorldSpace = true;
particle_emitter.maxSize = 0.06f;
particle_emitter.minSize = 0.02f;
ParticleRenderer renderer = getOrCreateComponent <ParticleRenderer>();
Material mat = new Material(Shader.Find("Particles/Additive (Soft)"));
int width = 20;
int length = 20;
Texture2D tex = new Texture2D(width, length, TextureFormat.RGBA32, false);
for (int x = 0; x < width; ++x)
{
for (int y = 0; y < length; ++y)
{
float dist = (x - 10) * (x - 10) + (y - 10) * (y - 10);
dist = Mathf.Sqrt(dist);
float alpha_f = 1.0f - dist / 10.0f;
Color col = new Color(0.8f, 0.8f, 0.8f, alpha_f);
tex.SetPixel(x, y, col);
}
}
tex.Apply();
mat.mainTexture = tex;
mat.color = new Color(1.0f, 1.0f, 0.5f);
renderer.material = mat;
particle_emitter.Emit(part_info.pointCount);
Particle[] particles = particle_emitter.particles;
if (particle_emitter.particles.Length < part_info.pointCount)
{
Debug.LogWarning("Geo has too many particles. Expected less than "
+ particle_emitter.particles.Length
+ " but found " + part_info.pointCount + ". "
+ " Only using the first "
+ particle_emitter.particles.Length + ".");
}
for (int i = 0; i < particle_emitter.particles.Length; ++i)
{
particles[i].position = new Vector3(pos_attr[i * 3 + 0],
pos_attr[i * 3 + 1],
pos_attr[i * 3 + 2]);
if (colour_attr_info.exists && colour_attr_info.owner == HAPI_AttributeOwner.HAPI_ATTROWNER_POINT)
{
float alpha =
colour_attr_info.tupleSize == 4
? colour_attr[i * colour_attr_info.tupleSize + 3]
: 1.0f;
particles[i].color = new Color(colour_attr[i * colour_attr_info.tupleSize + 0],
colour_attr[i * colour_attr_info.tupleSize + 1],
colour_attr[i * colour_attr_info.tupleSize + 2],
alpha);
}
}
particle_emitter.particles = particles;
}
if (part_info.hasVolume)
{
// Clear previous volume tiles.
destroyChildren(part_node.transform);
// If we have a volume, retrieve the volume info
HAPI_VolumeInfo volume = new HAPI_VolumeInfo();
HoudiniHost.getVolumeInfo(prAssetId, prObjectId, prGeoId, prPartId, ref volume);
// The volume.transform.scale is the voxel size. Both the particle
// delta and the point size are affected by the voxel size.
HoudiniAssetUtility.applyTransform(volume.transform, part_node.transform);
float particle_delta = HoudiniConstants.HAPI_VOLUME_SURFACE_DELTA_MULT * Mathf.Max(Mathf.Max(
volume.transform.scale[0],
volume.transform.scale[1]),
volume.transform.scale[2]);
float point_size = HoudiniConstants.HAPI_VOLUME_SURFACE_PT_SIZE_MULT * particle_delta;
List <Vector3> acc_vertices = new List <Vector3>();
List <Vector3> acc_normals = new List <Vector3>();
float[] values = new float[volume.tileSize * volume.tileSize * volume.tileSize];
int tile_index = 0;
int current_container_particle_index = 0;
// Iterate through the voxels and print out the data, for now.
HAPI_VolumeTileInfo tile = new HAPI_VolumeTileInfo();
HoudiniHost.getFirstVolumeTile(prAssetId, prObjectId, prGeoId, prPartId, ref tile);
while (tile.isValid)
{
for (int i = 0; i < values.Length; ++i)
{
values[i] = 0;
}
HoudiniHost.getVolumeTileFloatData(
prAssetId, prObjectId, prGeoId, prPartId, ref tile, values);
Vector3 tileMin = new Vector3(tile.minX, tile.minY, tile.minZ);
int part_index = 0;
for (int z = 0; z < volume.tileSize; ++z)
{
for (int y = 0; y < volume.tileSize; ++y)
{
for (int x = 0; x < volume.tileSize; ++x)
{
int index = z * volume.tileSize * volume.tileSize + y * volume.tileSize + x;
if (values[index] > -particle_delta && values[index] < particle_delta)
{
// Make sure we have enough room in our arrays.
if (current_container_particle_index
> HoudiniConstants.HAPI_VOLUME_SURFACE_MAX_PT_PER_C)
{
createVolumeTilesObject(
point_size, part_node.transform, acc_vertices, acc_normals);
current_container_particle_index = 0;
acc_vertices.Clear();
acc_normals.Clear();
}
// Get particle position.
Vector3 pos = new Vector3((float)x, (float)y, (float)z);
pos = HoudiniConstants.HAPI_VOLUME_POSITION_MULT * (pos + tileMin);
pos.x = -pos.x;
acc_vertices.Add(part_node.transform.TransformPoint(pos));
// Get particle normal.
int amount = 1;
int sample_count = 0;
Vector3 average_normal = Vector3.zero;
for (int xi = -1; xi <= 1; ++xi)
{
for (int yi = -1; yi <= 1; ++yi)
{
for (int zi = -1; zi <= 1; ++zi)
{
if (xi == 0 && yi == 0 && zi == 0)
{
continue;
}
float result = getVolumeData(
values, volume, particle_delta, x + xi * amount, y + yi * amount, z + zi * amount);
Vector3 normal = Vector3.zero;
if (result < -0.5f)
{
normal = new Vector3(-xi, -yi, -zi);
}
else if (result > 0.5f)
{
normal = new Vector3(xi, yi, zi);
}
else
{
continue;
}
average_normal += normal;
sample_count++;
}
}
}
average_normal /= sample_count;
average_normal.Normalize();
acc_normals.Add(average_normal);
part_index++;
current_container_particle_index++;
}
}
}
}
HoudiniHost.getNextVolumeTile(prAssetId, prObjectId, prGeoId, prPartId, ref tile);
tile_index++;
} // tile iteration
// If we have left-over particles in our arrays we need another container.
createVolumeTilesObject(point_size, part_node.transform, acc_vertices, acc_normals);
} // if has volume
else // Restore part node if previously used to store volume.
{
// Clear previous volume tiles.
destroyChildren(part_node.transform);
part_node.transform.localScale = Vector3.one;
part_node.transform.localPosition = Vector3.zero;
part_node.transform.localRotation = Quaternion.identity;
}
}
// Refresh enabled flags.
if (gameObject.GetComponent <MeshCollider>())
{
gameObject.GetComponent <MeshCollider>().enabled =
prObjectVisible &&
(prAsset.prIsGeoVisible || prGeoType == HAPI_GeoType.HAPI_GEOTYPE_INTERMEDIATE);
}
if (gameObject.GetComponent <MeshRenderer>())
{
gameObject.GetComponent <MeshRenderer>().enabled =
prObjectVisible &&
(prAsset.prIsGeoVisible || prGeoType == HAPI_GeoType.HAPI_GEOTYPE_INTERMEDIATE);
}
// Assign materials.
HoudiniAssetUtility.assignMaterial(this, prAsset, (reload_asset || has_material_changed));
// Assign unity tag.
assignUnityTag();
}
public bool sync(
int asset_id, int object_id, int geo_id, int part_id,
Mesh mesh, HAPI_AttributeInfo attribute_info )
{
int tuple_size = attribute_info.tupleSize;
prStorageType = attribute_info.storage;
prTupleSize = tuple_size;
myVertexCount = mesh.vertexCount;
Type type = prType;
if ( myInitializedVertexCount != mesh.vertexCount )
{
int new_size = mesh.vertexCount * tuple_size;
if ( type == Type.BOOL || type == Type.INT )
System.Array.Resize< int >( ref myIntData, new_size );
else if ( type == Type.FLOAT )
System.Array.Resize< float >( ref myFloatData, new_size );
else if ( type == Type.STRING )
System.Array.Resize< string >( ref myStringData, new_size );
}
if ( myInitializedVertexCount < mesh.vertexCount )
{
// Get Vertex list.
HAPI_PartInfo part_info = new HAPI_PartInfo();
HoudiniHost.getPartInfo(
asset_id, object_id, geo_id, part_id, out part_info );
int[] vertex_list = new int[ part_info.vertexCount ];
HoudiniAssetUtility.getArray4Id(
asset_id, object_id, geo_id, part_id, HoudiniHost.getVertexList,
vertex_list, part_info.vertexCount );
if ( type == Type.BOOL || type == Type.INT )
{
int[] data = new int[ 0 ];
HoudiniAssetUtility.getAttribute(
asset_id, object_id, geo_id, part_id,
myName,
ref attribute_info,
ref data,
HoudiniHost.getAttributeIntData );
for ( int i = myInitializedVertexCount; i < part_info.vertexCount; ++i )
for ( int tuple = 0; tuple < tuple_size; ++tuple )
prIntData[ i * tuple_size + tuple ] =
data[ vertex_list[ i ] * tuple_size + tuple ];
}
else if ( type == Type.FLOAT )
{
float[] data = new float[ 0 ];
HoudiniAssetUtility.getAttribute(
asset_id, object_id, geo_id, part_id,
myName,
ref attribute_info,
ref data,
HoudiniHost.getAttributeFloatData );
for ( int i = myInitializedVertexCount; i < part_info.vertexCount; ++i )
for ( int tuple = 0; tuple < tuple_size; ++tuple )
prFloatData[ i * tuple_size + tuple ] =
data[ vertex_list[ i ] * tuple_size + tuple ];
}
else if ( type == Type.STRING )
{
int[] data = new int[ 0 ];
HoudiniAssetUtility.getAttribute(
asset_id, object_id, geo_id, part_id,
myName,
ref attribute_info,
ref data,
HoudiniHost.getAttributeStringData );
for ( int i = myInitializedVertexCount; i < part_info.vertexCount; ++i )
for ( int tuple = 0; tuple < tuple_size; ++tuple )
prStringData[ i * tuple_size + tuple ] =
HoudiniHost.getString( data[ vertex_list[ i ] * tuple_size + tuple ] );
}
}
// If some of the data was already
bool needs_recook = myInitializedVertexCount > 0;
myInitializedVertexCount = mesh.vertexCount;
return needs_recook;
}
//[ MenuItem( HoudiniConstants.HAPI_PRODUCT_NAME + "/Create Simple Input Geo", false, 1000 ) ]
private static void createSimpleInputGeo()
{
int asset_id = HoudiniHost.createInputAsset( "simple_input_geo_test" );
HoudiniHost.cookAsset( asset_id, HoudiniHost.prSplitGeosByGroup, HoudiniHost.prImportTemplatedGeos );
HAPI_PartInfo new_part = new HAPI_PartInfo();
new_part.vertexCount = 3;
new_part.pointCount = 3;
new_part.faceCount = 1;
new_part.type = HAPI_PartType.HAPI_PARTTYPE_MESH;
HoudiniHost.setPartInfo( asset_id, 0, 0, ref new_part );
HAPI_AttributeInfo attrib_info = new HAPI_AttributeInfo( "P" );
attrib_info.exists = true;
attrib_info.count = 3; // 3 points
attrib_info.tupleSize = 3; // 3 floats per point (x, y, z)
attrib_info.owner = HAPI_AttributeOwner.HAPI_ATTROWNER_POINT;
attrib_info.storage = HAPI_StorageType.HAPI_STORAGETYPE_FLOAT;
HoudiniHost.addAttribute( asset_id, 0, 0, "P", ref attrib_info );
float[] positions = new float[ 9 ] { 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f };
HoudiniHost.setAttributeFloatData( asset_id, 0, 0, "P", ref attrib_info, positions, 0, 3 );
int[] vertices = new int[ 3 ] { 0, 1, 2 };
HoudiniHost.setVertexList( asset_id, 0, 0, vertices, 0, 3 );
int[] face_counts = new int[ 1 ] { 3 }; // 3 edges for the first face (the only face)
HoudiniHost.setFaceCounts( asset_id, 0, 0, face_counts, 0, 1 );
bool[] point_group_mem = new bool[ 3 ] { true, true, false };
HoudiniHost.addGroup( asset_id, 0, 0, HAPI_GroupType.HAPI_GROUPTYPE_POINT, "test_pt_group" );
HoudiniHost.setGroupMembership(
asset_id, 0, 0, HAPI_GroupType.HAPI_GROUPTYPE_POINT, "test_pt_group", point_group_mem, 3 );
bool[] prim_group_mem = new bool[ 1 ] { true };
HoudiniHost.addGroup( asset_id, 0, 0, HAPI_GroupType.HAPI_GROUPTYPE_PRIM, "test_prim_group" );
HoudiniHost.setGroupMembership(
asset_id, 0, 0, HAPI_GroupType.HAPI_GROUPTYPE_PRIM, "test_prim_group", prim_group_mem, 1 );
HoudiniHost.commitGeo( asset_id, 0, 0 );
}
HAPI_GetPartInfo(
ref HAPI_Session session,
HAPI_AssetId asset_id, HAPI_ObjectId object_id, HAPI_GeoId geo_id, HAPI_PartId part_id,
out HAPI_PartInfo part_info);
HAPI_GetPartInfo(
HAPI_AssetId asset_id, HAPI_ObjectId object_id, HAPI_GeoId geo_id, HAPI_PartId part_id,
out HAPI_PartInfo part_info);
public static void getPartInfo(
HAPI_AssetId asset_id, HAPI_ObjectId object_id, HAPI_GeoId geo_id, HAPI_PartId part_id,
out HAPI_PartInfo part_info )
{
#if ( UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX || ( UNITY_METRO && UNITY_EDITOR ) )
HAPI_Result status_code = HAPI_GetPartInfo( ref mySession, asset_id, object_id, geo_id, part_id, out part_info );
processStatusCode( status_code );
#else
throw new HoudiniErrorUnsupportedPlatform();
#endif
}
HAPI_SetPartInfo(
HAPI_AssetId asset_id, HAPI_ObjectId object_id, HAPI_GeoId geo_id,
ref HAPI_PartInfo part_info);
private void cacheNumInstances()
{
HAPI_ObjectInfo object_info = prAsset.prObjects[ prObjectId ];
// Get Detail info.
HAPI_GeoInfo geo_info = new HAPI_GeoInfo();
HoudiniHost.getGeoInfo( prAsset.prAssetId, prObjectId, 0, out geo_info );
if ( geo_info.partCount == 0 )
return;
HAPI_PartInfo part_info = new HAPI_PartInfo();
HoudiniHost.getPartInfo( prAsset.prAssetId, prObjectId, 0, 0, out part_info );
if ( prAsset.prEnableLogging )
Debug.Log( "Instancer #" + prObjectId + " (" + object_info.name + "): "
+ "points: " + part_info.pointCount );
if ( part_info.pointCount > 65000 )
throw new HoudiniError( "Point count (" + part_info.pointCount + ") above limit (" + 65000 + ")!" );
myNumInstances = part_info.pointCount;
}
public void refresh(bool reload_asset, bool has_geo_changed, bool has_material_changed)
{
if (prGeoControl == null)
{
Debug.LogError("Why is my geo control null on a refresh?");
return;
}
// Clean up first.
destoryChildrenWithComponent <BoxCollider>();
destoryChildrenWithComponent <SphereCollider>();
GameObject part_node = gameObject;
// Get Part info.
HAPI_PartInfo part_info = HoudiniHost.getPartInfo(prGeoId, prPartId);
myPartType = part_info.type;
bool is_empty = part_info.vertexCount <= 0 && part_info.pointCount <= 0;
bool is_mesh = (part_info.vertexCount > 0);
bool is_collision_geo = (part_info.name.Contains(HoudiniHost.prCollisionGroupName));
bool is_rendered_collision_geo = (part_info.name.Contains(HoudiniHost.prRenderedCollisionGroupName));
if (is_rendered_collision_geo)
{
is_collision_geo = false;
}
// For Debugging.
#if false
Debug.Log("ATTRIBS");
HoudiniAssetUtility.printAllAttributeNames(prAssetId, prObjectId, prGeoId, prPartId);
Debug.Log("GROUPS");
HoudiniAssetUtility.printAllGroups(prAssetId, prObjectId, prGeoId, prPartId);
Debug.Log("DONE");
Debug.Log("");
#endif
// TODO: Make this info a permanent UI display.
//if ( prEnableLogging && ( reload_asset || has_geo_changed || has_material_changed ) )
// Debug.Log( "Obj #" + part_control.prObjectId + " (" + part_control.prObjectName + "): "
// + "verts: " + part_info.vertexCount + " faces: " + part_info.faceCount );
if (reload_asset || has_geo_changed)
{
// Initialize our part control.
init(-1, part_info.id, part_info.name);
// Overwrite name.
var part_name = part_info.name;
if (prAsset.prOmitPartNameEnumeration)
{
part_name = part_name.Substring(0, part_name.LastIndexOf('_'));
}
part_node.name = part_name;
if (is_empty)
{
// Add required components.
MeshFilter mesh_filter = getOrCreateComponent <MeshFilter>();
// Get or create mesh.
Mesh part_mesh = mesh_filter.sharedMesh;
if (part_mesh == null)
{
mesh_filter.mesh = new Mesh();
part_mesh = mesh_filter.sharedMesh;
}
part_mesh.Clear();
}
else if (is_mesh) // Valid mesh.
{
// Add required components.
MeshFilter mesh_filter = getOrCreateComponent <MeshFilter>();
// Get or create mesh.
Mesh part_mesh = mesh_filter.sharedMesh;
if (part_mesh == null)
{
mesh_filter.mesh = new Mesh();
part_mesh = mesh_filter.sharedMesh;
part_mesh.name = getAbsolutePath() + "/Mesh";
}
part_mesh.Clear();
// Get mesh.
bool has_visible_geometry = false;
try
{
has_visible_geometry = HoudiniAssetUtility.getMesh(
this, part_mesh,
prAsset.prGenerateUVs,
prAsset.prGenerateLightmapUV2s,
prAsset.prGenerateTangents,
prAsset.prSplitPointsByVertexAttribute);
}
catch (HoudiniErrorIgnorable) {}
catch (HoudiniError error)
{
Debug.LogWarning(error.ToString());
return;
}
// Add collider if group name matches. (Should be added after the mesh is set so that it
// picks up the mesh automagically)
if (prAsset.prSplitGeosByGroup)
{
if (is_rendered_collision_geo || is_collision_geo)
{
getOrCreateComponent <MeshRenderer>();
// For simple prim collider (Box / Sphere), recreating the Box/Sphere collider
// will use the mesh renderer to position/size it properly
// Unfortunately for now, the returned part infos can have transform issue for box/sphere prim
// Create the box collider if one exists.
if (myPartType == HAPI_PartType.HAPI_PARTTYPE_BOX)
{
//createBoxCollider( part_info );
removeComponent <BoxCollider>();
BoxCollider mesh_collider = getOrCreateComponent <BoxCollider>();
mesh_collider.enabled = false;
mesh_collider.enabled = true;
}
else if (myPartType == HAPI_PartType.HAPI_PARTTYPE_SPHERE)
{
//createSphereCollider( part_info );
removeComponent <SphereCollider>();
SphereCollider mesh_collider = getOrCreateComponent <SphereCollider>();
mesh_collider.enabled = false;
mesh_collider.enabled = true;
}
else
{
MeshCollider mesh_collider = getOrCreateComponent <MeshCollider>();
mesh_collider.enabled = false;
mesh_collider.enabled = true;
}
if (is_collision_geo)
{
// We're not a rendered collision geo so we dont need a renderer
removeComponent <MeshRenderer>();
}
}
else
{
getOrCreateComponent <MeshRenderer>();
// We're not a collision geo so we dont need a collider
removeComponent <MeshCollider>();
removeComponent <BoxCollider>();
removeComponent <SphereCollider>();
}
}
else if (!prAsset.prSplitGeosByGroup && has_visible_geometry)
{
getOrCreateComponent <MeshRenderer>();
}
// TODO: Intermediate mesh editing currently not supported when not splitting by group.
if (prAsset.prSplitGeosByGroup)
{
if (myGeoControl.prGeoType == HAPI_GeoType.HAPI_GEOTYPE_INTERMEDIATE)
{
MeshRenderer mesh_renderer = getOrCreateComponent <MeshRenderer>();
MeshCollider mesh_collider = getOrCreateComponent <MeshCollider>();
if (myGeoControl.prGeoAttributeManager)
{
myGeoControl.prGeoAttributeManager.reInit(
part_mesh, mesh_renderer, mesh_collider, transform);
}
mesh_collider.enabled = false;
mesh_collider.enabled = true;
}
}
}
/*
* if ( part_info.type == HAPI_PartType.HAPI_PARTTYPE_VOLUME )
* {
* // Clear previous volume tiles.
* destroyChildren( part_node.transform );
*
* // If we have a volume, retrieve the volume info
* HAPI_VolumeInfo volume = new HAPI_VolumeInfo();
* HoudiniHost.getVolumeInfo( prAssetId, prObjectId, prGeoId, prPartId, ref volume );
*
* // The volume.transform.scale is the voxel size. Both the particle
* // delta and the point size are affected by the voxel size.
* HoudiniAssetUtility.applyTransform( volume.transform, part_node.transform );
* float particle_delta = HoudiniConstants.HAPI_VOLUME_SURFACE_DELTA_MULT * Mathf.Max( Mathf.Max(
* volume.transform.scale[ 0 ],
* volume.transform.scale[ 1 ] ),
* volume.transform.scale[ 2 ] );
* float point_size = HoudiniConstants.HAPI_VOLUME_SURFACE_PT_SIZE_MULT * particle_delta;
*
* List< Vector3 > acc_vertices = new List< Vector3 >();
* List< Vector3 > acc_normals = new List< Vector3 >();
*
* float[] values = new float[ volume.tileSize * volume.tileSize * volume.tileSize ];
* int tile_index = 0;
* int current_container_particle_index = 0;
*
* // Iterate through the voxels and print out the data, for now.
* HAPI_VolumeTileInfo tile = new HAPI_VolumeTileInfo();
* HoudiniHost.getFirstVolumeTile( prAssetId, prObjectId, prGeoId, prPartId, ref tile );
* while ( tile.isValid )
* {
* for ( int i = 0; i < values.Length; ++i )
* values[ i ] = 0;
* HoudiniHost.getVolumeTileFloatData(
* prAssetId, prObjectId, prGeoId, prPartId, ref tile, values );
*
* Vector3 tileMin = new Vector3( tile.minX, tile.minY, tile.minZ );
* int part_index = 0;
* for ( int z = 0; z < volume.tileSize; ++z )
* for ( int y = 0; y < volume.tileSize; ++y )
* for ( int x = 0; x < volume.tileSize; ++x )
* {
* int index = z * volume.tileSize * volume.tileSize + y * volume.tileSize + x;
* if ( values[ index ] > -particle_delta && values[ index ] < particle_delta )
* {
* // Make sure we have enough room in our arrays.
* if ( current_container_particle_index
* > HoudiniConstants.HAPI_VOLUME_SURFACE_MAX_PT_PER_C )
* {
* createVolumeTilesObject(
* point_size, part_node.transform, acc_vertices, acc_normals );
* current_container_particle_index = 0;
* acc_vertices.Clear();
* acc_normals.Clear();
* }
*
* // Get particle position.
* Vector3 pos = new Vector3( (float) x, (float) y, (float) z );
* pos = HoudiniConstants.HAPI_VOLUME_POSITION_MULT * ( pos + tileMin );
* pos.x = -pos.x;
* acc_vertices.Add( part_node.transform.TransformPoint( pos ) );
*
* // Get particle normal.
* int amount = 1;
* int sample_count = 0;
* Vector3 average_normal = Vector3.zero;
* for ( int xi = -1; xi <= 1; ++xi )
* for ( int yi = -1; yi <= 1; ++yi )
* for ( int zi = -1; zi <= 1; ++zi )
* {
* if ( xi == 0 && yi == 0 && zi == 0 )
* continue;
*
* float result = getVolumeData(
* values, volume, particle_delta, x + xi * amount, y + yi * amount, z + zi * amount );
*
* Vector3 normal = Vector3.zero;
* if ( result < -0.5f )
* normal = new Vector3( -xi, -yi, -zi );
* else if ( result > 0.5f )
* normal = new Vector3( xi, yi, zi );
* else
* continue;
*
* average_normal += normal;
* sample_count++;
* }
* average_normal /= sample_count;
* average_normal.Normalize();
* acc_normals.Add( average_normal );
*
* part_index++;
* current_container_particle_index++;
* }
* }
*
* HoudiniHost.getNextVolumeTile( prAssetId, prObjectId, prGeoId, prPartId, ref tile );
*
* tile_index++;
* } // tile iteration
*
* // If we have left-over particles in our arrays we need another container.
* createVolumeTilesObject( point_size, part_node.transform, acc_vertices, acc_normals );
*
* } // if has volume
* else // Restore part node if previously used to store volume.
* {
* // Clear previous volume tiles.
* destroyChildren( part_node.transform );
* part_node.transform.localScale = Vector3.one;
* part_node.transform.localPosition = Vector3.zero;
* part_node.transform.localRotation = Quaternion.identity;
* }
*/
}
// Refresh enabled flags.
{
bool is_visible = prObjectVisible;
is_visible &= (prAsset.prIsGeoVisible || prGeoType == HAPI_GeoType.HAPI_GEOTYPE_INTERMEDIATE);
if (prGeoType == HAPI_GeoType.HAPI_GEOTYPE_INTERMEDIATE && myGeoControl.prGeoAttributeManager != null)
{
is_visible &= myGeoControl.prGeoAttributeManager.prCurrentMode != HoudiniGeoAttributeManager.Mode.NONE;
}
// Do we need to enable the colliders?
bool enable_colliders = is_visible && (is_collision_geo || is_rendered_collision_geo);
if (gameObject.GetComponent <MeshCollider>())
{
gameObject.GetComponent <MeshCollider>().enabled = enable_colliders;
}
if (gameObject.GetComponent <BoxCollider>())
{
gameObject.GetComponent <BoxCollider>().enabled = enable_colliders;
}
if (gameObject.GetComponent <SphereCollider>())
{
gameObject.GetComponent <SphereCollider>().enabled = enable_colliders;
}
// Do we need to enable the mesh renderer ?
bool enable_renderers = is_visible && !is_collision_geo;
if (gameObject.GetComponent <MeshRenderer>())
{
gameObject.GetComponent <MeshRenderer>().enabled = enable_renderers;
}
}
// Assign materials.
HoudiniAssetUtility.assignMaterial(this, prAsset, reload_asset);
// Assign unity tag.
assignUnityTag();
}
public static string[] getAttributeNames(
HAPI_AssetId asset_id, HAPI_ObjectId object_id, HAPI_GeoId geo_id, HAPI_PartId part_id,
HAPI_AttributeOwner owner )
{
#if ( UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX || ( UNITY_METRO && UNITY_EDITOR ) )
HAPI_PartInfo part_info = new HAPI_PartInfo();
HAPI_Result status_code = HAPI_GetPartInfo( ref mySession, asset_id, object_id, geo_id, part_id, out part_info );
processStatusCode( status_code );
int count = part_info.getAttributeCountByOwner( owner );
int[] names = new int[ count ];
status_code = HAPI_GetAttributeNames(
ref mySession, asset_id, object_id, geo_id, part_id, owner, names, count );
processStatusCode( status_code );
string[] name_strings = new string[ count ];
for ( int i = 0; i < count; ++i )
name_strings[ i ] = getString( names[ i ] );
return name_strings;
#else
throw new HoudiniErrorUnsupportedPlatform();
#endif
}
HAPI_SetPartInfo( ref HAPI_Session session, HAPI_AssetId asset_id, HAPI_ObjectId object_id, HAPI_GeoId geo_id, ref HAPI_PartInfo part_info );
public void refresh(bool reload_asset)
{
if (prObjectControl == null)
{
Debug.LogError("Why is my object control null on a refresh?");
return;
}
GameObject geo_node = gameObject;
// Get Geo info.
HAPI_GeoInfo geo_info = new HAPI_GeoInfo();
HoudiniHost.getGeoInfo(prAssetId, prObjectId, prGeoId, out geo_info);
if (geo_info.type == HAPI_GeoType.HAPI_GEOTYPE_INPUT)
{
return;
}
if (!reload_asset && !geo_info.hasGeoChanged && !geo_info.hasMaterialChanged)
{
return;
}
if (reload_asset || geo_info.type == HAPI_GeoType.HAPI_GEOTYPE_CURVE)
{
for (int i = 0; i < myParts.Count; ++i)
{
HoudiniAssetUtility.destroyGameObject(myParts[i]);
}
myParts.Clear();
}
if (reload_asset || geo_info.hasGeoChanged)
{
// Initialize our geo control.
init(
geo_info.nodeId, prGeoId, geo_info.name, (HAPI_GeoType)geo_info.type,
geo_info.isEditable, geo_info.isDisplayGeo);
// Set node name.
geo_node.name = prGeoName;
}
if (!geo_info.isDisplayGeo &&
(geo_info.type != HAPI_GeoType.HAPI_GEOTYPE_CURVE &&
!myObjectControl.prAsset.prImportTemplatedGeos &&
geo_info.isTemplated))
{
return;
}
if (geo_info.type == HAPI_GeoType.HAPI_GEOTYPE_CURVE)
{
createAndInitCurve(prNodeId, prObjectId, prGeoId, prIsEditable);
}
else
{
if (reload_asset || geo_info.hasGeoChanged)
{
// Add new geos as needed.
while (myParts.Count < geo_info.partCount)
{
myParts.Add(createPart(myParts.Count));
}
// Remove stale geos.
while (myParts.Count > geo_info.partCount)
{
HoudiniAssetUtility.destroyGameObject(myParts[geo_info.partCount]);
myParts.RemoveAt(geo_info.partCount);
}
}
// Refresh all geos.
for (int i = 0; i < myParts.Count; ++i)
{
myParts[i].GetComponent <HoudiniPartControl>().refresh(
reload_asset, geo_info.hasGeoChanged, geo_info.hasMaterialChanged);
}
// Handle Edit/Paint Nodes
#if !HAPI_PAINT_SUPPORT
if (geo_info.type == HAPI_GeoType.HAPI_GEOTYPE_INTERMEDIATE)
{
// We are limited to using the first part, always.
if (myGeoAttributeManager == null && myParts.Count > 0)
{
const int part_id = 0;
GameObject part_gameobject = myParts[part_id];
HoudiniPartControl part_control = part_gameobject.GetComponent <HoudiniPartControl>();
MeshFilter mesh_filter = part_control.getOrCreateComponent <MeshFilter>();
MeshRenderer mesh_renderer = part_control.getOrCreateComponent <MeshRenderer>();
MeshCollider mesh_collider = part_control.getOrCreateComponent <MeshCollider>();
Mesh mesh = mesh_filter.sharedMesh;
myGeoAttributeManager = ScriptableObject.CreateInstance <HoudiniGeoAttributeManager>();
myGeoAttributeManager.init(mesh, mesh_renderer, mesh_collider, part_gameobject.transform);
// Fetch all point attributes.
string[] point_attribute_names = HoudiniHost.getAttributeNames(
prAssetId, prObjectId, prGeoId, part_id, HAPI_AttributeOwner.HAPI_ATTROWNER_POINT);
foreach (string point_attribute_name in point_attribute_names)
{
if (point_attribute_name == "P")
{
continue;
}
HAPI_AttributeInfo point_attribute_info = HoudiniHost.getAttributeInfo(
prAssetId, prObjectId, prGeoId, part_id, point_attribute_name,
HAPI_AttributeOwner.HAPI_ATTROWNER_POINT);
if (point_attribute_info.storage == HAPI_StorageType.HAPI_STORAGETYPE_INT)
{
int[] data = new int[0];
HoudiniAssetUtility.getAttribute(
prAssetId, prObjectId, prGeoId, part_id,
point_attribute_name,
ref point_attribute_info,
ref data,
HoudiniHost.getAttributeIntData);
HoudiniGeoAttribute attribute =
myGeoAttributeManager.createAttribute(point_attribute_name);
attribute.init(
mesh, point_attribute_name, HoudiniGeoAttribute.Type.INT,
point_attribute_info.tupleSize);
attribute.prOriginalAttributeOwner = HAPI_AttributeOwner.HAPI_ATTROWNER_POINT;
if (data.Length != attribute.prIntData.Length)
{
Debug.LogError("Size mis-match in paint tools.");
}
else
{
for (int i = 0; i < data.Length; ++i)
{
attribute.prIntData[i] = data[i];
}
}
}
else if (point_attribute_info.storage == HAPI_StorageType.HAPI_STORAGETYPE_FLOAT)
{
int tuple_size = point_attribute_info.tupleSize;
float[] data = new float[0];
HoudiniAssetUtility.getAttribute(
prAssetId, prObjectId, prGeoId, part_id,
point_attribute_name,
ref point_attribute_info,
ref data,
HoudiniHost.getAttributeFloatData);
HoudiniGeoAttribute attribute =
myGeoAttributeManager.createAttribute(point_attribute_name);
attribute.init(
mesh, point_attribute_name, HoudiniGeoAttribute.Type.FLOAT,
tuple_size);
attribute.prOriginalAttributeOwner = HAPI_AttributeOwner.HAPI_ATTROWNER_POINT;
// Get Vertex list.
HAPI_PartInfo part_info = new HAPI_PartInfo();
HoudiniHost.getPartInfo(
prAssetId, prObjectId, prGeoId, part_id, out part_info);
int[] vertex_list = new int[part_info.vertexCount];
HoudiniAssetUtility.getArray4Id(
prAssetId, prObjectId, prGeoId, part_id, HoudiniHost.getVertexList,
vertex_list, part_info.vertexCount);
if (part_info.vertexCount * tuple_size != attribute.prFloatData.Length)
{
Debug.LogError("Size mis-match in paint tools.");
}
else
{
for (int i = 0; i < part_info.vertexCount; ++i)
{
for (int tuple = 0; tuple < tuple_size; ++tuple)
{
attribute.prFloatData[i * tuple_size + tuple] =
data[vertex_list[i] * tuple_size + tuple];
}
}
}
}
else if (point_attribute_info.storage == HAPI_StorageType.HAPI_STORAGETYPE_STRING)
{
}
}
}
}
#endif // !HAPI_PAINT_SUPPORT
// Handle script attaching.
if (reload_asset && geo_info.partCount > 0)
{
HAPI_AttributeInfo script_attr_info = new HAPI_AttributeInfo("Unity_Script");
int[] script_attr = new int[0];
HoudiniAssetUtility.getAttribute(
prAssetId, prObjectId, prGeoId, 0, "Unity_Script",
ref script_attr_info, ref script_attr, HoudiniHost.getAttributeStringData);
if (script_attr_info.exists && script_attr_info.owner != HAPI_AttributeOwner.HAPI_ATTROWNER_DETAIL)
{
throw new HoudiniErrorIgnorable("I only understand Unity_Script as detail attributes!");
}
if (script_attr_info.exists && script_attr.Length > 0)
{
string script_to_attach = HoudiniHost.getString(script_attr[0]);
HoudiniAssetUtility.attachScript(geo_node, script_to_attach);
}
}
}
}
public void refresh( bool reload_asset, bool has_geo_changed, bool has_material_changed )
{
if ( prGeoControl == null )
{
Debug.LogError( "Why is my geo control null on a refresh?" );
return;
}
GameObject part_node = gameObject;
// Get Part info.
HAPI_PartInfo part_info = new HAPI_PartInfo();
HoudiniHost.getPartInfo( prAssetId, prObjectId, prGeoId, prPartId, out part_info );
bool is_empty = part_info.vertexCount <= 0 && part_info.pointCount <= 0;
bool is_mesh = ( part_info.vertexCount > 0 );
// For Debugging.
#if false
Debug.Log( "ATTRIBS" );
HoudiniAssetUtility.printAllAttributeNames( prAssetId, prObjectId, prGeoId, prPartId );
Debug.Log( "GROUPS" );
HoudiniAssetUtility.printAllGroups( prAssetId, prObjectId, prGeoId, prPartId );
Debug.Log( "DONE" );
Debug.Log( "" );
#endif
// TODO: Make this info a permanent UI display.
//if ( prEnableLogging && ( reload_asset || has_geo_changed || has_material_changed ) )
// Debug.Log( "Obj #" + part_control.prObjectId + " (" + part_control.prObjectName + "): "
// + "verts: " + part_info.vertexCount + " faces: " + part_info.faceCount );
if ( reload_asset || has_geo_changed )
{
// Initialize our part control.
init( -1, part_info.id, part_info.name );
// Overwrite name.
part_node.name = part_info.name;
if ( is_empty )
{
// Add required components.
MeshFilter mesh_filter = getOrCreateComponent< MeshFilter >();
// Get or create mesh.
Mesh part_mesh = mesh_filter.sharedMesh;
if ( part_mesh == null )
{
mesh_filter.mesh = new Mesh();
part_mesh = mesh_filter.sharedMesh;
}
part_mesh.Clear();
}
else if ( is_mesh ) // Valid mesh.
{
// Add required components.
MeshFilter mesh_filter = getOrCreateComponent< MeshFilter >();
// Get or create mesh.
Mesh part_mesh = mesh_filter.sharedMesh;
if ( part_mesh == null )
{
mesh_filter.mesh = new Mesh();
part_mesh = mesh_filter.sharedMesh;
part_mesh.name = getAbsolutePath() + "/Mesh";
}
part_mesh.Clear();
// Get mesh.
try
{
HoudiniAssetUtility.getMesh(
this, part_mesh,
prAsset.prGenerateUVs,
prAsset.prGenerateLightmapUV2s,
prAsset.prGenerateTangents );
}
catch ( HoudiniErrorIgnorable ) {}
catch ( HoudiniError error )
{
Debug.LogWarning( error.ToString() );
return;
}
// Add collider if group name matches. (Should be added after the mesh is set so that it
// picks up the mesh automagically)
if ( part_info.name.Contains( HoudiniHost.prRenderedCollisionGroupName ) )
{
MeshCollider mesh_collider = getOrCreateComponent< MeshCollider >();
getOrCreateComponent< MeshRenderer >();
mesh_collider.enabled = false;
mesh_collider.enabled = true;
}
else if ( part_info.name.Contains( HoudiniHost.prCollisionGroupName ) )
{
MeshCollider mesh_collider = getOrCreateComponent< MeshCollider >();
mesh_collider.enabled = false;
mesh_collider.enabled = true;
}
else
{
getOrCreateComponent< MeshRenderer >();
}
if ( myGeoControl.prGeoType == HAPI_GeoType.HAPI_GEOTYPE_INTERMEDIATE )
{
MeshRenderer mesh_renderer = getOrCreateComponent< MeshRenderer >();
MeshCollider mesh_collider = getOrCreateComponent< MeshCollider >();
if ( myGeoControl.prGeoAttributeManager )
{
myGeoControl.prGeoAttributeManager.reInit(
part_mesh, mesh_renderer, mesh_collider, transform );
}
mesh_collider.enabled = false;
mesh_collider.enabled = true;
}
// Add Mesh-to-Prefab component.
HoudiniMeshToPrefab mesh_saver = getOrCreateComponent< HoudiniMeshToPrefab >();
mesh_saver.prGameObject = part_node;
mesh_saver.prMeshName = prAsset.prAssetName + "_" + part_node.name;
}
else if ( HoudiniHost.prEnablePointsAsParticles && part_info.vertexCount <= 0 && part_info.pointCount > 0 ) // Particles?
{
// Get position attributes.
HAPI_AttributeInfo pos_attr_info = new HAPI_AttributeInfo( HoudiniConstants.HAPI_ATTRIB_POSITION );
float[] pos_attr = new float[ 0 ];
HoudiniAssetUtility.getAttribute(
prAssetId, prObjectId, prGeoId, prPartId, HoudiniConstants.HAPI_ATTRIB_POSITION,
ref pos_attr_info, ref pos_attr, HoudiniHost.getAttributeFloatData );
if ( !pos_attr_info.exists )
throw new HoudiniError( "No position attribute found." );
else if ( pos_attr_info.owner != HAPI_AttributeOwner.HAPI_ATTROWNER_POINT )
throw new HoudiniErrorIgnorable( "I only understand position as point attributes!" );
// Get colour attributes.
HAPI_AttributeInfo colour_attr_info = new HAPI_AttributeInfo( HoudiniConstants.HAPI_ATTRIB_COLOR );
float[] colour_attr = new float[ 0 ];
HoudiniAssetUtility.getAttribute(
prAssetId, prObjectId, prGeoId, prPartId, HoudiniConstants.HAPI_ATTRIB_COLOR,
ref colour_attr_info, ref colour_attr, HoudiniHost.getAttributeFloatData );
ParticleEmitter particle_emitter = part_node.GetComponent< ParticleEmitter >();
if ( particle_emitter == null )
{
#if UNITY_4_3 || UNITY_4_4 || UNITY_4_5 || UNITY_4_6
particle_emitter = part_node.AddComponent( "EllipsoidParticleEmitter" ) as ParticleEmitter;
#else
particle_emitter = part_node.AddComponent< EllipsoidParticleEmitter >() as ParticleEmitter;
#endif // UNITY_4_3 || UNITY_4_4 || UNITY_4_5 || UNITY_4_6
}
particle_emitter.ClearParticles();
particle_emitter.emit = false;
particle_emitter.useWorldSpace = true;
particle_emitter.maxSize = 0.06f;
particle_emitter.minSize = 0.02f;
ParticleRenderer renderer = getOrCreateComponent< ParticleRenderer >();
Material mat = new Material( Shader.Find( "Particles/Additive (Soft)" ) );
int width = 20;
int length = 20;
Texture2D tex = new Texture2D( width, length, TextureFormat.RGBA32, false );
for ( int x = 0; x < width; ++x )
{
for ( int y = 0; y < length; ++y )
{
float dist = (x - 10) * (x-10) + (y-10) * (y-10);
dist = Mathf.Sqrt( dist );
float alpha_f = 1.0f - dist / 10.0f;
Color col = new Color( 0.8f, 0.8f, 0.8f, alpha_f );
tex.SetPixel( x, y, col );
}
}
tex.Apply();
mat.mainTexture = tex;
mat.color = new Color( 1.0f, 1.0f, 0.5f );
renderer.material = mat;
particle_emitter.Emit( part_info.pointCount );
Particle[] particles = particle_emitter.particles;
if ( particle_emitter.particles.Length < part_info.pointCount )
Debug.LogWarning( "Geo has too many particles. Expected less than "
+ particle_emitter.particles.Length
+ " but found " + part_info.pointCount + ". "
+ " Only using the first "
+ particle_emitter.particles.Length + ".");
for ( int i = 0; i < particle_emitter.particles.Length; ++i )
{
particles[ i ].position = new Vector3( pos_attr[ i * 3 + 0 ],
pos_attr[ i * 3 + 1 ],
pos_attr[ i * 3 + 2 ] );
if ( colour_attr_info.exists && colour_attr_info.owner == HAPI_AttributeOwner.HAPI_ATTROWNER_POINT )
{
float alpha =
colour_attr_info.tupleSize == 4
? colour_attr[ i * colour_attr_info.tupleSize + 3 ]
: 1.0f;
particles[ i ].color = new Color( colour_attr[ i * colour_attr_info.tupleSize + 0 ],
colour_attr[ i * colour_attr_info.tupleSize + 1 ],
colour_attr[ i * colour_attr_info.tupleSize + 2 ],
alpha );
}
}
particle_emitter.particles = particles;
}
if ( part_info.type == HAPI_PartType.HAPI_PARTTYPE_VOLUME )
{
// Clear previous volume tiles.
destroyChildren( part_node.transform );
// If we have a volume, retrieve the volume info
HAPI_VolumeInfo volume = new HAPI_VolumeInfo();
HoudiniHost.getVolumeInfo( prAssetId, prObjectId, prGeoId, prPartId, ref volume );
// The volume.transform.scale is the voxel size. Both the particle
// delta and the point size are affected by the voxel size.
HoudiniAssetUtility.applyTransform( volume.transform, part_node.transform );
float particle_delta = HoudiniConstants.HAPI_VOLUME_SURFACE_DELTA_MULT * Mathf.Max( Mathf.Max(
volume.transform.scale[ 0 ],
volume.transform.scale[ 1 ] ),
volume.transform.scale[ 2 ] );
float point_size = HoudiniConstants.HAPI_VOLUME_SURFACE_PT_SIZE_MULT * particle_delta;
List< Vector3 > acc_vertices = new List< Vector3 >();
List< Vector3 > acc_normals = new List< Vector3 >();
float[] values = new float[ volume.tileSize * volume.tileSize * volume.tileSize ];
int tile_index = 0;
int current_container_particle_index = 0;
// Iterate through the voxels and print out the data, for now.
HAPI_VolumeTileInfo tile = new HAPI_VolumeTileInfo();
HoudiniHost.getFirstVolumeTile( prAssetId, prObjectId, prGeoId, prPartId, ref tile );
while ( tile.isValid )
{
for ( int i = 0; i < values.Length; ++i )
values[ i ] = 0;
HoudiniHost.getVolumeTileFloatData(
prAssetId, prObjectId, prGeoId, prPartId, ref tile, values );
Vector3 tileMin = new Vector3( tile.minX, tile.minY, tile.minZ );
int part_index = 0;
for ( int z = 0; z < volume.tileSize; ++z )
for ( int y = 0; y < volume.tileSize; ++y )
for ( int x = 0; x < volume.tileSize; ++x )
{
int index = z * volume.tileSize * volume.tileSize + y * volume.tileSize + x;
if ( values[ index ] > -particle_delta && values[ index ] < particle_delta )
{
// Make sure we have enough room in our arrays.
if ( current_container_particle_index
> HoudiniConstants.HAPI_VOLUME_SURFACE_MAX_PT_PER_C )
{
createVolumeTilesObject(
point_size, part_node.transform, acc_vertices, acc_normals );
current_container_particle_index = 0;
acc_vertices.Clear();
acc_normals.Clear();
}
// Get particle position.
Vector3 pos = new Vector3( (float) x, (float) y, (float) z );
pos = HoudiniConstants.HAPI_VOLUME_POSITION_MULT * ( pos + tileMin );
pos.x = -pos.x;
acc_vertices.Add( part_node.transform.TransformPoint( pos ) );
// Get particle normal.
int amount = 1;
int sample_count = 0;
Vector3 average_normal = Vector3.zero;
for ( int xi = -1; xi <= 1; ++xi )
for ( int yi = -1; yi <= 1; ++yi )
for ( int zi = -1; zi <= 1; ++zi )
{
if ( xi == 0 && yi == 0 && zi == 0 )
continue;
float result = getVolumeData(
values, volume, particle_delta, x + xi * amount, y + yi * amount, z + zi * amount );
Vector3 normal = Vector3.zero;
if ( result < -0.5f )
normal = new Vector3( -xi, -yi, -zi );
else if ( result > 0.5f )
normal = new Vector3( xi, yi, zi );
else
continue;
average_normal += normal;
sample_count++;
}
average_normal /= sample_count;
average_normal.Normalize();
acc_normals.Add( average_normal );
part_index++;
current_container_particle_index++;
}
}
HoudiniHost.getNextVolumeTile( prAssetId, prObjectId, prGeoId, prPartId, ref tile );
tile_index++;
} // tile iteration
// If we have left-over particles in our arrays we need another container.
createVolumeTilesObject( point_size, part_node.transform, acc_vertices, acc_normals );
} // if has volume
else // Restore part node if previously used to store volume.
{
// Clear previous volume tiles.
destroyChildren( part_node.transform );
part_node.transform.localScale = Vector3.one;
part_node.transform.localPosition = Vector3.zero;
part_node.transform.localRotation = Quaternion.identity;
}
}
// Refresh enabled flags.
{
bool is_visible = prObjectVisible;
is_visible &= ( prAsset.prIsGeoVisible || prGeoType == HAPI_GeoType.HAPI_GEOTYPE_INTERMEDIATE );
if ( prGeoType == HAPI_GeoType.HAPI_GEOTYPE_INTERMEDIATE &&
myGeoControl.prGeoAttributeManager != null )
is_visible &=
myGeoControl.prGeoAttributeManager.prCurrentMode != HoudiniGeoAttributeManager.Mode.NONE;
if ( gameObject.GetComponent< MeshCollider >() )
gameObject.GetComponent< MeshCollider >().enabled = is_visible;
if ( gameObject.GetComponent< MeshRenderer >() )
gameObject.GetComponent< MeshRenderer >().enabled = is_visible;
}
// Assign materials.
HoudiniAssetUtility.assignMaterial( this, prAsset, reload_asset );
// Assign unity tag.
assignUnityTag();
}
public void refresh( bool reload_asset, bool has_geo_changed, bool has_material_changed )
{
if ( prGeoControl == null )
{
Debug.LogError( "Why is my geo control null on a refresh?" );
return;
}
GameObject part_node = gameObject;
// Get Part info.
HAPI_PartInfo part_info = new HAPI_PartInfo();
HoudiniHost.getPartInfo( prAssetId, prObjectId, prGeoId, prPartId, out part_info );
bool is_empty = part_info.vertexCount <= 0 && part_info.pointCount <= 0;
bool is_mesh = ( part_info.vertexCount > 0 );
// For Debugging.
#if false
Debug.Log( "ATTRIBS" );
HoudiniAssetUtility.printAllAttributeNames( prAssetId, prObjectId, prGeoId, prPartId );
Debug.Log( "GROUPS" );
HoudiniAssetUtility.printAllGroups( prAssetId, prObjectId, prGeoId, prPartId );
Debug.Log( "DONE" );
Debug.Log( "" );
#endif
// TODO: Make this info a permanent UI display.
//if ( prEnableLogging && ( reload_asset || has_geo_changed || has_material_changed ) )
// Debug.Log( "Obj #" + part_control.prObjectId + " (" + part_control.prObjectName + "): "
// + "verts: " + part_info.vertexCount + " faces: " + part_info.faceCount );
if ( reload_asset || has_geo_changed )
{
// Initialize our part control.
init( -1, part_info.id, part_info.name );
// Overwrite name.
var part_name = part_info.name;
if ( prAsset.prOmitPartNameEnumeration )
part_name = part_name.Substring( 0, part_name.LastIndexOf( '_' ) );
part_node.name = part_name;
if ( is_empty )
{
// Add required components.
MeshFilter mesh_filter = getOrCreateComponent< MeshFilter >();
// Get or create mesh.
Mesh part_mesh = mesh_filter.sharedMesh;
if ( part_mesh == null )
{
mesh_filter.mesh = new Mesh();
part_mesh = mesh_filter.sharedMesh;
}
part_mesh.Clear();
}
else if ( is_mesh ) // Valid mesh.
{
// Add required components.
MeshFilter mesh_filter = getOrCreateComponent< MeshFilter >();
// Get or create mesh.
Mesh part_mesh = mesh_filter.sharedMesh;
if ( part_mesh == null )
{
mesh_filter.mesh = new Mesh();
part_mesh = mesh_filter.sharedMesh;
part_mesh.name = getAbsolutePath() + "/Mesh";
}
part_mesh.Clear();
// Get mesh.
try
{
HoudiniAssetUtility.getMesh(
this, part_mesh,
prAsset.prGenerateUVs,
prAsset.prGenerateLightmapUV2s,
prAsset.prGenerateTangents );
}
catch ( HoudiniErrorIgnorable ) {}
catch ( HoudiniError error )
{
Debug.LogWarning( error.ToString() );
return;
}
// Add collider if group name matches. (Should be added after the mesh is set so that it
// picks up the mesh automagically)
if ( part_info.name.Contains( HoudiniHost.prRenderedCollisionGroupName ) )
{
MeshCollider mesh_collider = getOrCreateComponent< MeshCollider >();
getOrCreateComponent< MeshRenderer >();
mesh_collider.enabled = false;
mesh_collider.enabled = true;
}
else if ( part_info.name.Contains( HoudiniHost.prCollisionGroupName ) )
{
MeshCollider mesh_collider = getOrCreateComponent< MeshCollider >();
mesh_collider.enabled = false;
mesh_collider.enabled = true;
}
else
{
getOrCreateComponent< MeshRenderer >();
}
if ( myGeoControl.prGeoType == HAPI_GeoType.HAPI_GEOTYPE_INTERMEDIATE )
{
MeshRenderer mesh_renderer = getOrCreateComponent< MeshRenderer >();
MeshCollider mesh_collider = getOrCreateComponent< MeshCollider >();
if ( myGeoControl.prGeoAttributeManager )
{
myGeoControl.prGeoAttributeManager.reInit(
part_mesh, mesh_renderer, mesh_collider, transform );
}
mesh_collider.enabled = false;
mesh_collider.enabled = true;
}
}
}
// Refresh enabled flags.
{
bool is_visible = prObjectVisible;
is_visible &= ( prAsset.prIsGeoVisible || prGeoType == HAPI_GeoType.HAPI_GEOTYPE_INTERMEDIATE );
if ( prGeoType == HAPI_GeoType.HAPI_GEOTYPE_INTERMEDIATE &&
myGeoControl.prGeoAttributeManager != null )
is_visible &=
myGeoControl.prGeoAttributeManager.prCurrentMode != HoudiniGeoAttributeManager.Mode.NONE;
if ( gameObject.GetComponent< MeshCollider >() )
gameObject.GetComponent< MeshCollider >().enabled = is_visible;
if ( gameObject.GetComponent< MeshRenderer >() )
gameObject.GetComponent< MeshRenderer >().enabled = is_visible;
}
// Assign materials.
HoudiniAssetUtility.assignMaterial( this, prAsset, reload_asset );
// Assign unity tag.
assignUnityTag();
}
private static extern HAPI_Result HAPI_SetPartInfo( ref HAPI_Session session, HAPI_AssetId asset_id, HAPI_ObjectId object_id, HAPI_GeoId geo_id, ref HAPI_PartInfo part_info );