A stab at generating room points. This might need to be thrown out. Committing for fututre reference. Also fixed the other tools menu options.

editor/prop_editor_plugin.cpp

@@ -81,6 +81,18 @@ void PropEditorPlugin::convert_scene(Node *root, const String &path) {
 	}
 }
 
+void PropEditorPlugin::find_room_points(Variant param) {
+	SceneTree *st = SceneTree::get_singleton();
+
+	if (st) {
+		Node *scene = st->get_edited_scene_root();
+
+		if (scene) {
+			PropUtils::get_singleton()->generate_room_points_node(scene);
+		}
+	}
+}
+
 void PropEditorPlugin::_quick_convert_button_pressed() {
 	convert_active_scene_to_prop_data();
 }
@@ -98,6 +110,7 @@ PropEditorPlugin::PropEditorPlugin(EditorNode *p_node) {
 #if VERSION_MAJOR < 4
 	editor->add_tool_menu_item("Convert active scene to PropData", this, "convert_active_scene_to_prop_data");
 	editor->add_tool_menu_item("Convert selected scene(s) to PropData", this, "convert_selected_scene_to_prop_data");
+	editor->add_tool_menu_item("(Prop) Find room points.", this, "find_room_points");
 #else
 #endif
 
@@ -120,8 +133,10 @@ PropEditorPlugin::~PropEditorPlugin() {
 }
 
 void PropEditorPlugin::_bind_methods() {
-	ClassDB::bind_method(D_METHOD("convert_active_scene_to_prop_data"), &PropEditorPlugin::convert_active_scene_to_prop_data);
-	ClassDB::bind_method(D_METHOD("convert_selected_scene_to_prop_data"), &PropEditorPlugin::convert_selected_scene_to_prop_data);
+	ClassDB::bind_method(D_METHOD("convert_active_scene_to_prop_data"), &PropEditorPlugin::_convert_active_scene_to_prop_data);
+	ClassDB::bind_method(D_METHOD("convert_selected_scene_to_prop_data"), &PropEditorPlugin::_convert_active_scene_to_prop_data);
+
+	ClassDB::bind_method(D_METHOD("find_room_points"), &PropEditorPlugin::find_room_points);
 
 	ClassDB::bind_method(D_METHOD("_quick_convert_button_pressed"), &PropEditorPlugin::_quick_convert_button_pressed);
 }

editor/prop_editor_plugin.h

@@ -47,6 +47,8 @@ public:
 	void convert_selected_scene_to_prop_data();
 	void convert_scene(Node *root, const String &path);
 
+	void find_room_points(Variant param);
+
 	void _convert_active_scene_to_prop_data(Variant param);
 	void _convert_selected_scene_to_prop_data(Variant param);
 	void _quick_convert_button_pressed();

singleton/prop_utils.cpp

@@ -28,6 +28,8 @@ SOFTWARE.
 #include "scene/3d/room.h"
 
 #include "core/version.h"
+#include "scene/3d/room.h"
+#include "scene/3d/room_manager.h"
 
 #if VERSION_MAJOR > 3
 #include "core/config/engine.h"
@@ -105,10 +107,6 @@ void PropUtils::_convert_tree(Ref<PropData> prop_data, Node *node, const Transfo
 
 				PoolVector3Array points = r->get_points();
 
-				if (points.size() == 0) {
-					//TODO generate points
-				}
-
 				prop_data->set_room_bounds(points);
 			}
 		}
@@ -128,6 +126,92 @@ void PropUtils::_convert_tree(Ref<PropData> prop_data, Node *node, const Transfo
 	}
 }
 
+bool PropUtils::generate_room_points_node(Node *node) {
+	ERR_FAIL_COND_V(!ObjectDB::instance_validate(node), false);
+
+	Room *r = Object::cast_to<Room>(node);
+
+	if (r)  {
+		generate_room_points(r);
+
+		return true;
+	}
+
+	for (int i = 0; i < node->get_child_count(); ++i) {
+		if (generate_room_points_node(node->get_child(i))) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+void PropUtils::generate_room_points(Room *room) {
+	ERR_FAIL_COND(!ObjectDB::instance_validate(room));
+
+	Node *rn = room->duplicate();
+
+	rn = substitute_prop_classes(rn);
+
+	Room *r = Object::cast_to<Room>(rn);
+	r->set_name("room");
+
+	RoomManager *rm = memnew(RoomManager);
+	rm->set_merge_meshes(false);
+	rm->add_child(r);
+	rm->set_roomlist_path(NodePath("./room"));
+
+	//don't set owner, so it won't show up in the editor
+	room->add_child(rm);
+
+	r->generate_points();
+
+	print_error(String::num(r->get_points().size()));
+
+	room->remove_child(rm);
+
+	room->set_points(r->get_points());
+
+	memdelete(rm);
+}
+
+Node *PropUtils::substitute_prop_classes(Node *node) {
+	ERR_FAIL_COND_V(!ObjectDB::instance_validate(node), nullptr);
+
+	//start with children
+	for (int i = 0; i < node->get_child_count(); ++i) {
+		substitute_prop_classes(node->get_child(i));
+	}
+
+	Node *n = get_substitute_prop_class(node);
+
+	if (n) {
+		for (int i = 0; i < node->get_child_count();) {
+			Node *c = node->get_child(i);
+
+			node->remove_child(c);
+
+			n->add_child(c);
+		}
+
+		memdelete(node);
+
+		return n;
+	}
+
+	return node;
+}
+
+Node *PropUtils::get_substitute_prop_class(Node *node) {
+	if (node->has_method("get_substitute_for_room")) {
+		Node *n = node->call("get_substitute_for_room");
+
+		return n;
+	}
+
+	return nullptr;
+}
+
 int PropUtils::add_processor(const Ref<PropDataEntry> &processor) {
 	ERR_FAIL_COND_V(!processor.is_valid(), 0);
 

singleton/prop_utils.h

@@ -41,6 +41,7 @@ SOFTWARE.
 
 class PropData;
 class PropDataEntry;
+class Room;
 
 class PropUtils : public Object {
 	GDCLASS(PropUtils, Object);
@@ -51,6 +52,11 @@ public:
 	Ref<PropData> convert_tree(Node *root);
 	void _convert_tree(Ref<PropData> prop_data, Node *node, const Transform &transform);
 
+	bool generate_room_points_node(Node *node);
+	void generate_room_points(Room *room);
+	Node *substitute_prop_classes(Node *node);
+	Node *get_substitute_prop_class(Node *node);
+
 	static int add_processor(const Ref<PropDataEntry> &processor);
 	static Ref<PropDataEntry> get_processor(const int index);
 	static void swap_processors(const int index1, const int index2);