public static void getAssetTransform(
HAPI_AssetId asset_id, HAPI_RSTOrder rst_order, HAPI_XYZOrder rot_order,
out HAPI_TransformEuler transform )
{
#if ( UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX || ( UNITY_METRO && UNITY_EDITOR ) )
HAPI_Result status_code = HAPI_GetAssetTransform( ref mySession, asset_id, rst_order, rot_order, out transform );
processStatusCode( status_code );
#else
throw new HoudiniErrorUnsupportedPlatform();
#endif
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Public
public void handlesOnSceneGUI()
{
if (myAssetOTL.prShowPinnedInstances)
{
drawPinnedInstances();
}
// On mouse up the drag operation is completed.
if (Event.current.type == EventType.MouseUp)
{
myOpInProgress = false;
}
string currentGlobalManipTool = Tools.current.ToString();
if (currentGlobalManipTool == "Rotate")
{
myManipMode = XformManipMode.Rotate;
}
else if (currentGlobalManipTool == "Move")
{
myManipMode = XformManipMode.Translate;
}
else if (currentGlobalManipTool == "Scale")
{
myManipMode = XformManipMode.Scale;
}
if (myAssetOTL == null)
{
return;
}
int node_id = myAssetOTL.prNodeId;
HAPI_HandleInfo[] handleInfos = myAssetOTL.prHandleInfos;
if (handleInfos == null)
{
return;
}
// Detect changes and build asset only when changed.
bool changed = false;
for (int ii = 0; ii < handleInfos.Length; ++ii)
{
HAPI_HandleInfo handleInfo = handleInfos[ii];
if (handleInfo.typeName == "xform")
{
float tx = 0, ty = 0, tz = 0;
float rx = 0, ry = 0, rz = 0;
float sx = 1, sy = 1, sz = 1;
HAPI_RSTOrder rstOrder = HAPI_RSTOrder.HAPI_SRT;
HAPI_XYZOrder xyzOrder = HAPI_XYZOrder.HAPI_XYZ;
HAPI_HandleBindingInfo[] bindingInfos = myAssetOTL.prHandleBindingInfos[ii];
int[] parm_int_values = myAssetOTL.prParms.prParmIntValues;
float[] parm_float_values = myAssetOTL.prParms.prParmFloatValues;
if (parm_int_values == null || parm_float_values == null)
{
Debug.LogError("No parm int/float values yet handles exist?");
continue;
}
int translate_parm_id = -1;
int rotate_parm_id = -1;
int scale_parm_id = -1;
int rst_order_parm_id = -1;
int xyz_order_parm_id = -1;
foreach (HAPI_HandleBindingInfo bindingInfo in bindingInfos)
{
string parm_name = bindingInfo.handleParmName;
if (parm_name == "tx")
{
translate_parm_id = bindingInfo.assetParmId;
}
else if (parm_name == "rx")
{
rotate_parm_id = bindingInfo.assetParmId;
}
else if (parm_name == "sx")
{
scale_parm_id = bindingInfo.assetParmId;
}
else if (parm_name == "trs_order")
{
rst_order_parm_id = bindingInfo.assetParmId;
}
else if (parm_name == "xyz_order")
{
xyz_order_parm_id = bindingInfo.assetParmId;
}
}
if (translate_parm_id >= 0)
{
HAPI_ParmInfo parm_info = myAssetOTL.prParms.findParm(translate_parm_id);
tx = parm_float_values[parm_info.floatValuesIndex + 0];
ty = parm_float_values[parm_info.floatValuesIndex + 1];
tz = parm_float_values[parm_info.floatValuesIndex + 2];
}
if (rotate_parm_id >= 0)
{
HAPI_ParmInfo parm_info = myAssetOTL.prParms.findParm(rotate_parm_id);
rx = parm_float_values[parm_info.floatValuesIndex + 0];
ry = parm_float_values[parm_info.floatValuesIndex + 1];
rz = parm_float_values[parm_info.floatValuesIndex + 2];
}
if (scale_parm_id >= 0)
{
HAPI_ParmInfo parm_info = myAssetOTL.prParms.findParm(scale_parm_id);
sx = parm_float_values[parm_info.floatValuesIndex + 0];
sy = parm_float_values[parm_info.floatValuesIndex + 1];
sz = parm_float_values[parm_info.floatValuesIndex + 2];
}
if (rst_order_parm_id >= 0)
{
HAPI_ParmInfo parm_info = myAssetOTL.prParms.findParm(rst_order_parm_id);
rstOrder = (HAPI_RSTOrder)parm_int_values[parm_info.intValuesIndex];
}
if (xyz_order_parm_id >= 0)
{
HAPI_ParmInfo parm_info = myAssetOTL.prParms.findParm(xyz_order_parm_id);
xyzOrder = (HAPI_XYZOrder)parm_int_values[parm_info.intValuesIndex];
}
HAPI_TransformEuler xform = new HAPI_TransformEuler(true);
// This bit is a little tricky. We will eventually call Handle.PositionHandle
// or Handle.RotationHandle to display the translation and rotation handles.
// These function take a translation parameter and a rotation parameter in
// order to display the handle in its proper location and orientation.
// These functions have an assumed order that it will put the rotation
// and translation back together. Depending whether the order of translation
// and roation matches that of the rstOrder setting, we may, or may not
// need to convert the translation parameter for use with the handle.
if (rstOrder == HAPI_RSTOrder.HAPI_TSR || rstOrder == HAPI_RSTOrder.HAPI_STR || rstOrder == HAPI_RSTOrder.HAPI_SRT)
{
xform.position[0] = tx;
xform.position[1] = ty;
xform.position[2] = tz;
xform.rotationEuler[0] = rx;
xform.rotationEuler[1] = ry;
xform.rotationEuler[2] = rz;
xform.scale[0] = 1;
xform.scale[1] = 1;
xform.scale[2] = 1;
xform.rotationOrder = xyzOrder;
xform.rstOrder = rstOrder;
}
else
{
xform.position[0] = 0;
xform.position[1] = 0;
xform.position[2] = 0;
xform.rotationEuler[0] = rx;
xform.rotationEuler[1] = ry;
xform.rotationEuler[2] = rz;
xform.scale[0] = 1;
xform.scale[1] = 1;
xform.scale[2] = 1;
xform.rotationOrder = xyzOrder;
xform.rstOrder = rstOrder;
}
xform = HoudiniHost.convertTransform(xform, HAPI_RSTOrder.HAPI_SRT, HAPI_XYZOrder.HAPI_ZXY);
// Axis and Rotation conversions:
// Note that Houdini's X axis points in the opposite direction that Unity's does. Also, Houdini's
// rotation is right handed, whereas Unity is left handed. To account for this, we need to invert
// the x coordinate of the translation, and do the same for the rotations (except for the x rotation,
// which doesn't need to be flipped because the change in handedness AND direction of the left x axis
// causes a double negative - yeah, I know).
xform.position[0] = -xform.position[0];
xform.rotationEuler[1] = -xform.rotationEuler[1];
xform.rotationEuler[2] = -xform.rotationEuler[2];
tx = -tx;
Handles.matrix = myAssetOTL.transform.localToWorldMatrix;
Vector3 position;
if (rstOrder == HAPI_RSTOrder.HAPI_TSR || rstOrder == HAPI_RSTOrder.HAPI_STR || rstOrder == HAPI_RSTOrder.HAPI_SRT)
{
position = new Vector3(xform.position[0], xform.position[1], xform.position[2]);
}
else
{
position = new Vector3(tx, ty, tz);
}
Quaternion rotation = Quaternion.Euler(
xform.rotationEuler[0], xform.rotationEuler[1], xform.rotationEuler[2]);
Vector3 scale = new Vector3(sx, sy, sz);
if (myManipMode == XformManipMode.Translate)
{
if (translate_parm_id < 0)
{
continue;
}
HAPI_ParmInfo parm_info = myAssetOTL.prParms.findParm(translate_parm_id);
if (parm_info.invisible)
{
continue;
}
GUIStyle style = new GUIStyle(EditorStyles.textField);
style.contentOffset = new Vector2(1.4f, 1.4f);
string handle_name = handleInfo.name;
if (parm_info.disabled)
{
handle_name = handle_name + " (disabled)";
}
GUIContent content = new GUIContent(handle_name);
content.tooltip = handle_name;
Handles.Label(position, content, style);
if (parm_info.disabled)
{
Handles.lighting = false;
Handles.PositionHandle(position, rotation);
Handles.lighting = true;
continue;
}
Vector3 new_position = Handles.PositionHandle(position, rotation);
if (new_position != position)
{
changed = true;
if (!myOpInProgress)
{
Undo.RecordObject(myAssetOTL.prParms.prParmsUndoInfo, handleInfo.name);
myOpInProgress = true;
}
if (rstOrder == HAPI_RSTOrder.HAPI_TSR ||
rstOrder == HAPI_RSTOrder.HAPI_STR ||
rstOrder == HAPI_RSTOrder.HAPI_SRT)
{
xform.position[0] = new_position[0];
xform.position[1] = new_position[1];
xform.position[2] = new_position[2];
xform = HoudiniHost.convertTransform(xform, rstOrder, xyzOrder);
new_position.x = xform.position[0];
new_position.y = xform.position[1];
new_position.z = xform.position[2];
}
// the - in the x coordinate is to convert back to "Houdini" coordinates
parm_float_values[parm_info.floatValuesIndex + 0] = -new_position.x;
parm_float_values[parm_info.floatValuesIndex + 1] = new_position.y;
parm_float_values[parm_info.floatValuesIndex + 2] = new_position.z;
float[] temp_float_values = new float[HoudiniConstants.HAPI_POSITION_VECTOR_SIZE];
for (int pp = 0; pp < HoudiniConstants.HAPI_POSITION_VECTOR_SIZE; ++pp)
{
temp_float_values[pp] = parm_float_values[parm_info.floatValuesIndex + pp];
}
HoudiniHost.setParmFloatValues(node_id, temp_float_values, parm_info.floatValuesIndex,
parm_info.size);
myAsset.savePreset();
} // if changed
}
else if (myManipMode == XformManipMode.Rotate)
{
if (rotate_parm_id < 0)
{
continue;
}
HAPI_ParmInfo parm_info = myAssetOTL.prParms.findParm(rotate_parm_id);
if (parm_info.invisible)
{
continue;
}
GUIStyle style = new GUIStyle(EditorStyles.textField);
style.contentOffset = new Vector2(1.4f, 1.4f);
string handle_name = handleInfo.name;
if (parm_info.disabled)
{
handle_name = handle_name + " (disabled)";
}
GUIContent content = new GUIContent(handle_name);
content.tooltip = handle_name;
Handles.Label(position, content, style);
if (parm_info.disabled)
{
Handles.lighting = false;
Handles.RotationHandle(rotation, position);
Handles.lighting = true;
continue;
}
Quaternion new_rotation = Handles.RotationHandle(rotation, position);
if (new_rotation != rotation)
{
changed = true;
if (!myOpInProgress)
{
Undo.RecordObject(myAssetOTL.prParms.prParmsUndoInfo, handleInfo.name);
myOpInProgress = true;
}
Vector3 newRot = new_rotation.eulerAngles;
xform.position[0] = 0;
xform.position[1] = 0;
xform.position[2] = 0;
xform.rotationEuler[0] = newRot.x;
xform.rotationEuler[1] = newRot.y;
xform.rotationEuler[2] = newRot.z;
xform.scale[0] = 1;
xform.scale[1] = 1;
xform.scale[2] = 1;
xform.rotationOrder = HAPI_XYZOrder.HAPI_ZXY;
xform.rstOrder = HAPI_RSTOrder.HAPI_SRT;
xform = HoudiniHost.convertTransform(xform, rstOrder, xyzOrder);
parm_float_values[parm_info.floatValuesIndex + 0] = xform.rotationEuler[0];
// the - in the y & z coordinate is to convert back to "Houdini" coordinates
parm_float_values[parm_info.floatValuesIndex + 1] = -xform.rotationEuler[1];
parm_float_values[parm_info.floatValuesIndex + 2] = -xform.rotationEuler[2];
float[] temp_float_values = new float[HoudiniConstants.HAPI_POSITION_VECTOR_SIZE];
for (int pp = 0; pp < HoudiniConstants.HAPI_POSITION_VECTOR_SIZE; ++pp)
{
temp_float_values[pp] = parm_float_values[parm_info.floatValuesIndex + pp];
}
HoudiniHost.setParmFloatValues(
node_id, temp_float_values, parm_info.floatValuesIndex, parm_info.size);
myAsset.savePreset();
} // if changed
}
else if (myManipMode == XformManipMode.Scale)
{
if (scale_parm_id < 0)
{
continue;
}
HAPI_ParmInfo parm_info = myAssetOTL.prParms.findParm(scale_parm_id);
if (parm_info.invisible)
{
continue;
}
GUIStyle style = new GUIStyle(EditorStyles.textField);
style.contentOffset = new Vector2(1.4f, 1.4f);
string handle_name = handleInfo.name;
if (parm_info.disabled)
{
handle_name = handle_name + " (disabled)";
}
GUIContent content = new GUIContent(handle_name);
content.tooltip = handle_name;
Handles.Label(position, content, style);
if (parm_info.disabled)
{
Handles.lighting = false;
Handles.ScaleHandle(scale, position, rotation, 1.0f);
Handles.lighting = true;
continue;
}
Vector3 new_scale = Handles.ScaleHandle(scale, position, rotation, 1.0f);
if (new_scale != scale)
{
changed = true;
if (!myOpInProgress)
{
Undo.RecordObject(myAssetOTL.prParms.prParmsUndoInfo, handleInfo.name);
myOpInProgress = true;
}
parm_float_values[parm_info.floatValuesIndex + 0] = new_scale.x;
parm_float_values[parm_info.floatValuesIndex + 1] = new_scale.y;
parm_float_values[parm_info.floatValuesIndex + 2] = new_scale.z;
float[] temp_float_values = new float[HoudiniConstants.HAPI_POSITION_VECTOR_SIZE];
for (int pp = 0; pp < HoudiniConstants.HAPI_POSITION_VECTOR_SIZE; ++pp)
{
temp_float_values[pp] = parm_float_values[parm_info.floatValuesIndex + pp];
}
HoudiniHost.setParmFloatValues(
node_id, temp_float_values, parm_info.floatValuesIndex,
parm_info.size);
myAsset.savePreset();
} // if changed
} // if myManipMode
} // if typeName
} // for each handle
if (changed)
{
myAssetOTL.buildClientSide();
}
}
// UTILITY --------------------------------------------------------------------------------------------------
public static HAPI_TransformEuler convertTransform(
HAPI_TransformEuler transform,
HAPI_RSTOrder rst_order, HAPI_XYZOrder rot_order )
{
#if ( UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX || ( UNITY_METRO && UNITY_EDITOR ) )
HAPI_TransformEuler transform_out = new HAPI_TransformEuler();
HAPI_Result status_code = HAPI_ConvertTransform(
ref mySession, ref transform, rst_order, rot_order, out transform_out );
processStatusCode( status_code );
return transform_out;
#else
throw new HoudiniErrorUnsupportedPlatform();
#endif
}
public static HAPI_TransformEuler convertMatrixToEuler(
Matrix4x4 matrix, HAPI_RSTOrder rst_order, HAPI_XYZOrder rot_order )
{
#if ( UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX || ( UNITY_METRO && UNITY_EDITOR ) )
HAPI_TransformEuler transform = new HAPI_TransformEuler();
float[] raw_matrix = new float[ 16 ];
for ( int i = 0; i < 16; ++i )
raw_matrix[ i ] = matrix[ i ];
HAPI_Result status_code = HAPI_ConvertMatrixToEuler(
ref mySession, raw_matrix, rst_order, rot_order, ref transform );
processStatusCode( status_code );
return transform;
#else
throw new HoudiniErrorUnsupportedPlatform();
#endif
}
HAPI_ConvertMatrixToEuler( ref HAPI_Session session, float[] matrix, HAPI_RSTOrder rst_order, HAPI_XYZOrder rot_order, ref HAPI_TransformEuler transform_out );
HAPI_GetAssetTransform( ref HAPI_Session session, HAPI_AssetId asset_id, HAPI_RSTOrder rst_order, HAPI_XYZOrder rot_order, out HAPI_TransformEuler transform );
HAPI_ConvertTransform(
ref HAPI_TransformEuler transform_in_out,
HAPI_RSTOrder rst_order, HAPI_XYZOrder rot_order);
private static extern HAPI_Result HAPI_ConvertTransform( ref HAPI_Session session, ref HAPI_TransformEuler transform_in, HAPI_RSTOrder rst_order, HAPI_XYZOrder rot_order, out HAPI_TransformEuler transform_out );
HAPI_ConvertMatrixToEuler(
float[] mat,
HAPI_RSTOrder rst_order, HAPI_XYZOrder rot_order,
ref HAPI_TransformEuler transform_out);
HAPI_GetAssetTransform(
HAPI_AssetId asset_id,
HAPI_RSTOrder rst_order, HAPI_XYZOrder rot_order,
out HAPI_TransformEuler transform);
HAPI_ConvertMatrixToEuler(
ref HAPI_Session session,
float[] matrix,
HAPI_RSTOrder rst_order,
HAPI_XYZOrder rot_order,
ref HAPI_TransformEuler transform_out);
HAPI_ConvertTransform(
ref HAPI_Session session,
ref HAPI_TransformEuler transform_in,
HAPI_RSTOrder rst_order,
HAPI_XYZOrder rot_order,
out HAPI_TransformEuler transform_out);
private static extern HAPI_Result HAPI_GetAssetTransform( ref HAPI_Session session, HAPI_AssetId asset_id, HAPI_RSTOrder rst_order, HAPI_XYZOrder rot_order, out HAPI_TransformEuler transform );
public virtual bool ConvertTransform(ref HAPI_TransformEuler inTransform, HAPI_RSTOrder RSTOrder, HAPI_XYZOrder ROTOrder, out HAPI_TransformEuler outTransform)
{
outTransform = new HAPI_TransformEuler();
return false;
}
HAPI_ConvertTransform( ref HAPI_Session session, ref HAPI_TransformEuler transform_in, HAPI_RSTOrder rst_order, HAPI_XYZOrder rot_order, out HAPI_TransformEuler transform_out );
// LOGIC -----------------------------------------------------------------------------------------------------
public bool SetupHandle(HEU_SessionBase session, HAPI_NodeId assetID, int handleIndex, string handleName,
HEU_HandleType handleType, ref HAPI_HandleInfo handleInfo, HEU_Parameters parameters)
{
_handleIndex = handleIndex;
_handleName = handleName;
_handleType = handleType;
HAPI_HandleBindingInfo[] handleBindingInfos = new HAPI_HandleBindingInfo[handleInfo.bindingsCount];
if (!session.GetHandleBindingInfo(assetID, _handleIndex, handleBindingInfos, 0, handleInfo.bindingsCount))
{
return false;
}
HAPI_ParmId translateParmID = -1;
HAPI_ParmId rotateParmID = -1;
HAPI_ParmId scaleParmID = -1;
HAPI_ParmId rstOrderParmID = -1;
HAPI_ParmId xyzOrderParmID = -1;
_rstOrder = HAPI_RSTOrder.HAPI_SRT;
_xyzOrder = HAPI_XYZOrder.HAPI_XYZ;
_handleParamTranslateBinding = null;
_handleParamRotateBinding = null;
_handleParamScaleBinding = null;
for (int i = 0; i < handleBindingInfos.Length; ++i)
{
string parmName = HEU_SessionManager.GetString(handleBindingInfos[i].handleParmNameSH, session);
//string assetParmName = HEU_SessionManager.GetString(handleBindingInfos[i].assetParmNameSH, session);
//Debug.LogFormat("Handle {0} has parm {1} with asset parm {2} with asset parm id {3}", handleName, parmName, assetParmName, handleBindingInfos[i].assetParmId);
if (parmName.Equals("tx") || parmName.Equals("ty") || parmName.Equals("tz"))
{
translateParmID = handleBindingInfos[i].assetParmId;
if(_handleParamTranslateBinding == null)
{
HEU_ParameterData parmData = parameters.GetParameterWithParmID(translateParmID);
if (parmData != null && !parmData._parmInfo.invisible)
{
_handleParamTranslateBinding = new HEU_HandleParamBinding();
_handleParamTranslateBinding._paramType = HEU_HandleParamBinding.HEU_HandleParamType.TRANSLATE;
_handleParamTranslateBinding._parmID = parmData.ParmID;
_handleParamTranslateBinding._paramName = parmData._name;
_handleParamTranslateBinding._bDisabled = parmData._parmInfo.disabled;
}
}
if(_handleParamTranslateBinding != null)
{
if(parmName.Equals("tx"))
{
_handleParamTranslateBinding._boundChannels[0] = true;
}
else if (parmName.Equals("ty"))
{
_handleParamTranslateBinding._boundChannels[1] = true;
}
else if (parmName.Equals("tz"))
{
_handleParamTranslateBinding._boundChannels[2] = true;
}
}
}
if (parmName.Equals("rx") || parmName.Equals("ry") || parmName.Equals("rz"))
{
rotateParmID = handleBindingInfos[i].assetParmId;
if(_handleParamRotateBinding == null)
{
HEU_ParameterData parmData = parameters.GetParameterWithParmID(rotateParmID);
if (parmData != null && !parmData._parmInfo.invisible)
{
_handleParamRotateBinding = new HEU_HandleParamBinding();
_handleParamRotateBinding._paramType = HEU_HandleParamBinding.HEU_HandleParamType.ROTATE;
_handleParamRotateBinding._parmID = parmData.ParmID;
_handleParamRotateBinding._paramName = parmData._name;
_handleParamRotateBinding._bDisabled = parmData._parmInfo.disabled;
}
}
if (_handleParamRotateBinding != null)
{
if (parmName.Equals("rx"))
{
_handleParamRotateBinding._boundChannels[0] = true;
}
else if (parmName.Equals("ry"))
{
_handleParamRotateBinding._boundChannels[1] = true;
}
else if (parmName.Equals("rz"))
{
_handleParamRotateBinding._boundChannels[2] = true;
}
}
}
if (parmName.Equals("sx") || parmName.Equals("sy") || parmName.Equals("sz"))
{
scaleParmID = handleBindingInfos[i].assetParmId;
if (_handleParamScaleBinding == null)
{
HEU_ParameterData parmData = parameters.GetParameterWithParmID(scaleParmID);
if (parmData != null && !parmData._parmInfo.invisible)
{
_handleParamScaleBinding = new HEU_HandleParamBinding();
_handleParamScaleBinding._paramType = HEU_HandleParamBinding.HEU_HandleParamType.SCALE;
_handleParamScaleBinding._parmID = parmData.ParmID;
_handleParamScaleBinding._paramName = parmData._name;
_handleParamScaleBinding._bDisabled = parmData._parmInfo.disabled;
}
}
if (_handleParamScaleBinding != null)
{
if (parmName.Equals("sx"))
{
_handleParamScaleBinding._boundChannels[0] = true;
}
else if (parmName.Equals("sy"))
{
_handleParamScaleBinding._boundChannels[1] = true;
}
else if (parmName.Equals("sz"))
{
_handleParamScaleBinding._boundChannels[2] = true;
}
}
}
if(parmName.Equals("trs_order"))
{
rstOrderParmID = handleBindingInfos[i].assetParmId;
}
if (parmName.Equals("xyz_order"))
{
xyzOrderParmID = handleBindingInfos[i].assetParmId;
}
}
if (rstOrderParmID >= 0)
{
HEU_ParameterData parmData = parameters.GetParameter(rstOrderParmID);
if (parmData != null)
{
_rstOrder = (HAPI_RSTOrder)parmData._intValues[0];
}
}
if (xyzOrderParmID >= 0)
{
HEU_ParameterData parmData = parameters.GetParameter(xyzOrderParmID);
if (parmData != null)
{
_xyzOrder = (HAPI_XYZOrder)parmData._intValues[0];
}
}
GenerateTransform(session, parameters);
return true;
}
private static extern HAPI_Result HAPI_ConvertMatrixToEuler( ref HAPI_Session session, float[] matrix, HAPI_RSTOrder rst_order, HAPI_XYZOrder rot_order, ref HAPI_TransformEuler transform_out );
