Added Label3D auto localization

doc/classes/Label3D.xml

@@ -48,6 +48,10 @@
 		<member name="alpha_scissor_threshold" type="float" setter="set_alpha_scissor_threshold" getter="get_alpha_scissor_threshold" default="0.5">
 			Threshold at which the alpha scissor will discard values.
 		</member>
+		<member name="auto_translate" type="bool" setter="set_auto_translate" getter="is_auto_translating" default="true">
+			Toggles if any text should automatically change to its translated version depending on the current locale.
+			Also decides if the node's strings should be parsed for POT generation.
+		</member>
 		<member name="autowrap_mode" type="int" setter="set_autowrap_mode" getter="get_autowrap_mode" enum="TextServer.AutowrapMode" default="0">
 			If set to something other than [constant TextServer.AUTOWRAP_OFF], the text gets wrapped inside the node's bounding rectangle. If you resize the node, it will change its height automatically to show all the text. To see how each mode behaves, see [enum TextServer.AutowrapMode].
 		</member>

scene/3d/label_3d.cpp

@@ -57,6 +57,9 @@ void Label3D::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_language", "language"), &Label3D::set_language);
 	ClassDB::bind_method(D_METHOD("get_language"), &Label3D::get_language);
 
+	ClassDB::bind_method(D_METHOD("set_auto_translate", "enable"), &Label3D::set_auto_translate);
+	ClassDB::bind_method(D_METHOD("is_auto_translating"), &Label3D::is_auto_translating);
+
 	ClassDB::bind_method(D_METHOD("set_structured_text_bidi_override", "parser"), &Label3D::set_structured_text_bidi_override);
 	ClassDB::bind_method(D_METHOD("get_structured_text_bidi_override"), &Label3D::get_structured_text_bidi_override);
 
@@ -164,6 +167,9 @@ void Label3D::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "structured_text_bidi_override", PROPERTY_HINT_ENUM, "Default,URI,File,Email,List,None,Custom"), "set_structured_text_bidi_override", "get_structured_text_bidi_override");
 	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "structured_text_bidi_override_options"), "set_structured_text_bidi_override_options", "get_structured_text_bidi_override_options");
 
+	ADD_GROUP("Localization", "");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "auto_translate"), "set_auto_translate", "is_auto_translating");
+
 	BIND_ENUM_CONSTANT(FLAG_SHADED);
 	BIND_ENUM_CONSTANT(FLAG_DOUBLE_SIDED);
 	BIND_ENUM_CONSTANT(FLAG_DISABLE_DEPTH_TEST);
@@ -208,7 +214,7 @@ void Label3D::_notification(int p_what) {
 			viewport->disconnect("size_changed", callable_mp(this, &Label3D::_font_changed));
 		} break;
 		case NOTIFICATION_TRANSLATION_CHANGED: {
-			String new_text = tr(text);
+			String new_text = atr(text);
 			if (new_text == xl_text) {
 				return; // Nothing new.
 			}
@@ -635,8 +641,11 @@ void Label3D::_shape() {
 }
 
 void Label3D::set_text(const String &p_string) {
+	if (text == p_string) {
+		return;
+	}
 	text = p_string;
-	xl_text = tr(p_string);
+	xl_text = atr(p_string);
 	dirty_text = true;
 	_queue_update();
 }
@@ -685,6 +694,20 @@ TextServer::Direction Label3D::get_text_direction() const {
 	return text_direction;
 }
 
+void Label3D::set_auto_translate(bool p_enable) {
+	if (p_enable == auto_translate) {
+		return;
+	}
+
+	auto_translate = p_enable;
+
+	notification(MainLoop::NOTIFICATION_TRANSLATION_CHANGED);
+}
+
+bool Label3D::is_auto_translating() const {
+	return auto_translate;
+}
+
 void Label3D::set_language(const String &p_language) {
 	if (language != p_language) {
 		language = p_language;

scene/3d/label_3d.h

@@ -133,6 +133,8 @@ class Label3D : public GeometryInstance3D {
 	TextServer::StructuredTextParser st_parser = TextServer::STRUCTURED_TEXT_DEFAULT;
 	Array st_args;
 
+	bool auto_translate = true;
+
 	RID text_rid;
 	Vector<RID> lines_rid;
 
@@ -182,6 +184,13 @@ class Label3D : public GeometryInstance3D {
 	void set_text_direction(TextServer::Direction p_text_direction);
 	TextServer::Direction get_text_direction() const;
 
+	void set_auto_translate(bool p_enable);
+	bool is_auto_translating() const;
+
+	_FORCE_INLINE_ String atr(const String p_string) const {
+		return is_auto_translating() ? tr(p_string) : p_string;
+	}
+
 	void set_language(const String &p_language);
 	String get_language() const;