Add Navigation function to get all navigation maps

Added new function that returns all created navigation map RIDs from the NavigationServer. The function returns both 2D and 3D created navigation maps as technically there is no distinction between them.

8 files changed, 36 insertions, 0 deletions

diff --git a/doc/classes/NavigationServer2D.xml b/doc/classes/NavigationServer2D.xml
index 220c12ce7f..187d916fba 100644
--- a/doc/classes/NavigationServer2D.xml
+++ b/doc/classes/NavigationServer2D.xml
@@ -127,6 +127,12 @@
 				Destroys the given RID.
 			</description>
 		</method>
+		<method name="get_maps" qualifiers="const">
+			<return type="Array" />
+			<description>
+				Returns all created navigation map [RID]s on the NavigationServer. This returns both 2D and 3D created navigation maps as there is technically no distinction between them.
+			</description>
+		</method>
 		<method name="map_create" qualifiers="const">
 			<return type="RID" />
 			<description>
diff --git a/doc/classes/NavigationServer3D.xml b/doc/classes/NavigationServer3D.xml
index d2eef49cfd..e605cf6645 100644
--- a/doc/classes/NavigationServer3D.xml
+++ b/doc/classes/NavigationServer3D.xml
@@ -127,6 +127,12 @@
 				Destroys the given RID.
 			</description>
 		</method>
+		<method name="get_maps" qualifiers="const">
+			<return type="Array" />
+			<description>
+				Returns all created navigation map [RID]s on the NavigationServer. This returns both 2D and 3D created navigation maps as there is technically no distinction between them.
+			</description>
+		</method>
 		<method name="map_create" qualifiers="const">
 			<return type="RID" />
 			<description>
diff --git a/modules/navigation/godot_navigation_server.cpp b/modules/navigation/godot_navigation_server.cpp
index 2f8cb6c230..927748dbd9 100644
--- a/modules/navigation/godot_navigation_server.cpp
+++ b/modules/navigation/godot_navigation_server.cpp
@@ -123,6 +123,18 @@ void GodotNavigationServer::add_command(SetCommand *command) const {
 	}
 }
 
+Array GodotNavigationServer::get_maps() const {
+	Array all_map_rids;
+	List<RID> maps_owned;
+	map_owner.get_owned_list(&maps_owned);
+	if (maps_owned.size()) {
+		for (const RID &E : maps_owned) {
+			all_map_rids.push_back(E);
+		}
+	}
+	return all_map_rids;
+}
+
 RID GodotNavigationServer::map_create() const {
 	GodotNavigationServer *mut_this = const_cast<GodotNavigationServer *>(this);
 	MutexLock lock(mut_this->operations_mutex);
diff --git a/modules/navigation/godot_navigation_server.h b/modules/navigation/godot_navigation_server.h
index d931dbaee0..d4306e7931 100644
--- a/modules/navigation/godot_navigation_server.h
+++ b/modules/navigation/godot_navigation_server.h
@@ -85,6 +85,8 @@ public:
 
 	void add_command(SetCommand *command) const;
 
+	virtual Array get_maps() const override;
+
 	virtual RID map_create() const override;
 	COMMAND_2(map_set_active, RID, p_map, bool, p_active);
 	virtual bool map_is_active(RID p_map) const override;
diff --git a/servers/navigation_server_2d.cpp b/servers/navigation_server_2d.cpp
index 0442089503..ba64dc607e 100644
--- a/servers/navigation_server_2d.cpp
+++ b/servers/navigation_server_2d.cpp
@@ -159,6 +159,8 @@ void NavigationServer2D::_emit_map_changed(RID p_map) {
 }
 
 void NavigationServer2D::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("get_maps"), &NavigationServer2D::get_maps);
+
 	ClassDB::bind_method(D_METHOD("map_create"), &NavigationServer2D::map_create);
 	ClassDB::bind_method(D_METHOD("map_set_active", "map", "active"), &NavigationServer2D::map_set_active);
 	ClassDB::bind_method(D_METHOD("map_is_active", "nap"), &NavigationServer2D::map_is_active);
@@ -217,6 +219,8 @@ NavigationServer2D::~NavigationServer2D() {
 	singleton = nullptr;
 }
 
+Array FORWARD_0_C(get_maps);
+
 Array FORWARD_1_C(map_get_regions, RID, p_map, rid_to_rid);
 
 Array FORWARD_1_C(map_get_agents, RID, p_map, rid_to_rid);
diff --git a/servers/navigation_server_2d.h b/servers/navigation_server_2d.h
index 30f553d10b..23d833ddcb 100644
--- a/servers/navigation_server_2d.h
+++ b/servers/navigation_server_2d.h
@@ -53,6 +53,8 @@ public:
 	/// MUST be used in single thread!
 	static NavigationServer2D *get_singleton_mut() { return singleton; }
 
+	virtual Array get_maps() const;
+
 	/// Create a new map.
 	virtual RID map_create() const;
 
diff --git a/servers/navigation_server_3d.cpp b/servers/navigation_server_3d.cpp
index 60bbcec8d4..da675133c9 100644
--- a/servers/navigation_server_3d.cpp
+++ b/servers/navigation_server_3d.cpp
@@ -33,6 +33,8 @@
 NavigationServer3D *NavigationServer3D::singleton = nullptr;
 
 void NavigationServer3D::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("get_maps"), &NavigationServer3D::get_maps);
+
 	ClassDB::bind_method(D_METHOD("map_create"), &NavigationServer3D::map_create);
 	ClassDB::bind_method(D_METHOD("map_set_active", "map", "active"), &NavigationServer3D::map_set_active);
 	ClassDB::bind_method(D_METHOD("map_is_active", "nap"), &NavigationServer3D::map_is_active);
diff --git a/servers/navigation_server_3d.h b/servers/navigation_server_3d.h
index 9c04d68622..5bf5d8ecdb 100644
--- a/servers/navigation_server_3d.h
+++ b/servers/navigation_server_3d.h
@@ -56,6 +56,8 @@ public:
 	/// MUST be used in single thread!
 	static NavigationServer3D *get_singleton_mut();
 
+	virtual Array get_maps() const = 0;
+
 	/// Create a new map.
 	virtual RID map_create() const = 0;