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Adding edgraph functions reconstruct_node() and remove_node() #741

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Jun 18, 2019
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121 changes: 121 additions & 0 deletions Source/UnrealEnginePython/Private/Blueprint/UEPyEdGraph.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -381,6 +381,127 @@ PyObject *py_ue_graph_add_node(ue_PyUObject * self, PyObject * args)
Py_RETURN_UOBJECT(node);
}

PyObject *py_ue_graph_remove_node(ue_PyUObject * self, PyObject * args)
{

ue_py_check(self);

PyObject *py_node_class;
int x = 0;
int y = 0;

char *metadata = nullptr;
PyObject *py_data = nullptr;

if (!PyArg_ParseTuple(args, "O|iisO:graph_remove_node", &py_node_class, &x, &y, &metadata, &py_data))
{
return nullptr;
}

UEdGraph *graph = ue_py_check_type<UEdGraph>(self);
if (!graph)
return PyErr_Format(PyExc_Exception, "uobject is not a UEdGraph");

UObject *u_obj = ue_py_check_type<UObject>(py_node_class);
if (!u_obj)
return PyErr_Format(PyExc_Exception, "argument is not a UObject");

UEdGraphNode *node = nullptr;

if (UClass *u_class = Cast<UClass>(u_obj))
{
if (!u_class->IsChildOf<UEdGraphNode>())
{
return PyErr_Format(PyExc_Exception, "argument is not a child of UEdGraphNode");
}
node = NewObject<UEdGraphNode>(graph, u_class);
node->PostLoad();
}
else
{
node = Cast<UEdGraphNode>(u_obj);
if (node)
{
if (node->GetOuter() != graph)

node->Rename(*node->GetName(), graph);
}
}

if (!node)
return PyErr_Format(PyExc_Exception, "argument is not a supported type");

graph->RemoveNode(node);

if (UBlueprint *bp = Cast<UBlueprint>(node->GetGraph()->GetOuter()))
{
FBlueprintEditorUtils::MarkBlueprintAsStructurallyModified(bp);
}

Py_RETURN_NONE;
}

PyObject *py_ue_graph_reconstruct_node(ue_PyUObject * self, PyObject * args)
{

ue_py_check(self);

PyObject *py_node_class;
int x = 0;
int y = 0;

char *metadata = nullptr;
PyObject *py_data = nullptr;

if (!PyArg_ParseTuple(args, "O|iisO:graph_reconstruct_node", &py_node_class, &x, &y, &metadata, &py_data))
{
return nullptr;
}

UEdGraph *graph = ue_py_check_type<UEdGraph>(self);
if (!graph)
return PyErr_Format(PyExc_Exception, "uobject is not a UEdGraph");

UObject *u_obj = ue_py_check_type<UObject>(py_node_class);
if (!u_obj)
return PyErr_Format(PyExc_Exception, "argument is not a UObject");

UEdGraphNode *node = nullptr;

if (UClass *u_class = Cast<UClass>(u_obj))
{
if (!u_class->IsChildOf<UEdGraphNode>())
{
return PyErr_Format(PyExc_Exception, "argument is not a child of UEdGraphNode");
}
node = NewObject<UEdGraphNode>(graph, u_class);
node->PostLoad();
}
else
{
node = Cast<UEdGraphNode>(u_obj);
if (node)
{
if (node->GetOuter() != graph)

node->Rename(*node->GetName(), graph);
}
}

if (!node)
return PyErr_Format(PyExc_Exception, "argument is not a supported type");

//graph->RemoveNode(node);
node->ReconstructNode();

if (UBlueprint *bp = Cast<UBlueprint>(node->GetGraph()->GetOuter()))
{
FBlueprintEditorUtils::MarkBlueprintAsStructurallyModified(bp);
}

Py_RETURN_NONE;
}

PyObject *py_ue_graph_add_node_dynamic_cast(ue_PyUObject * self, PyObject * args)
{

Expand Down
3 changes: 3 additions & 0 deletions Source/UnrealEnginePython/Private/Blueprint/UEPyEdGraph.h
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,9 @@ PyObject *py_ue_graph_add_node(ue_PyUObject *, PyObject *);
PyObject *py_ue_graph_add_node_dynamic_cast(ue_PyUObject *, PyObject *);
PyObject *py_ue_graph_add_node_event(ue_PyUObject *, PyObject *);

PyObject *py_ue_graph_reconstruct_node(ue_PyUObject *, PyObject *);
PyObject *py_ue_graph_remove_node(ue_PyUObject *, PyObject *);

PyObject *py_ue_graph_get_good_place_for_new_node(ue_PyUObject *, PyObject *);

PyObject *py_ue_node_pins(ue_PyUObject *, PyObject *);
Expand Down
3 changes: 3 additions & 0 deletions Source/UnrealEnginePython/Private/UEPyModule.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -664,6 +664,9 @@ static PyMethodDef ue_PyUObject_methods[] = {
{ "graph_add_node_event", (PyCFunction)py_ue_graph_add_node_event, METH_VARARGS, "" },
{ "graph_get_good_place_for_new_node", (PyCFunction)py_ue_graph_get_good_place_for_new_node, METH_VARARGS, "" },

{ "graph_reconstruct_node", (PyCFunction)py_ue_graph_reconstruct_node, METH_VARARGS, "" },
{ "graph_remove_node", (PyCFunction)py_ue_graph_remove_node, METH_VARARGS, "" },

{ "node_pins", (PyCFunction)py_ue_node_pins, METH_VARARGS, "" },
{ "node_get_title", (PyCFunction)py_ue_node_get_title, METH_VARARGS, "" },
{ "node_find_pin", (PyCFunction)py_ue_node_find_pin, METH_VARARGS, "" },
Expand Down