Add Vector2/3 linking to more properties

- Camera2D.zoom
- CanvasLayer.scale
- ParallaxBackground.scroll_base_scale
- ParallaxLayer.motion_scale
- Polygon2D.texture_scale
- SpatialMaterial.uv1_scale
- SpatialMaterial.uv2_scale

(cherry picked from commit 92817aa72fe68ebe6f6a0ae74b3d3a7be8cca16c)

scene/2d/camera_2d.cpp

@@ -713,7 +713,7 @@ void Camera2D::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "anchor_mode", PROPERTY_HINT_ENUM, "Fixed TopLeft,Drag Center"), "set_anchor_mode", "get_anchor_mode");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "rotating"), "set_rotating", "is_rotating");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "current"), "_set_current", "is_current");
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "zoom"), "set_zoom", "get_zoom");
+	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "zoom", PROPERTY_HINT_LINK), "set_zoom", "get_zoom");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "custom_viewport", PROPERTY_HINT_RESOURCE_TYPE, "Viewport", 0), "set_custom_viewport", "get_custom_viewport");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "process_mode", PROPERTY_HINT_ENUM, "Physics,Idle"), "set_process_mode", "get_process_mode");
 

scene/2d/parallax_background.cpp

@@ -178,7 +178,7 @@ void ParallaxBackground::_bind_methods() {
 	ADD_GROUP("Scroll", "scroll_");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scroll_offset"), "set_scroll_offset", "get_scroll_offset");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scroll_base_offset"), "set_scroll_base_offset", "get_scroll_base_offset");
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scroll_base_scale"), "set_scroll_base_scale", "get_scroll_base_scale");
+	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scroll_base_scale", PROPERTY_HINT_LINK), "set_scroll_base_scale", "get_scroll_base_scale");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scroll_limit_begin"), "set_limit_begin", "get_limit_begin");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scroll_limit_end"), "set_limit_end", "get_limit_end");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scroll_ignore_camera_zoom"), "set_ignore_camera_zoom", "is_ignore_camera_zoom");

scene/2d/parallax_layer.cpp

@@ -156,7 +156,7 @@ void ParallaxLayer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_mirroring"), &ParallaxLayer::get_mirroring);
 
 	ADD_GROUP("Motion", "motion_");
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "motion_scale"), "set_motion_scale", "get_motion_scale");
+	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "motion_scale", PROPERTY_HINT_LINK), "set_motion_scale", "get_motion_scale");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "motion_offset"), "set_motion_offset", "get_motion_offset");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "motion_mirroring"), "set_mirroring", "get_mirroring");
 }

scene/2d/polygon_2d.cpp

@@ -617,13 +617,16 @@ void Polygon2D::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_color", "get_color");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "offset"), "set_offset", "get_offset");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "antialiased"), "set_antialiased", "get_antialiased");
+
 	ADD_GROUP("Texture", "");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_texture", "get_texture");
+
 	ADD_GROUP("Texture", "texture_");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "texture_offset"), "set_texture_offset", "get_texture_offset");
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "texture_scale"), "set_texture_scale", "get_texture_scale");
+	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "texture_scale", PROPERTY_HINT_LINK), "set_texture_scale", "get_texture_scale");
 	ADD_PROPERTY(PropertyInfo(Variant::REAL, "texture_rotation_degrees", PROPERTY_HINT_RANGE, "-360,360,0.1,or_lesser,or_greater"), "set_texture_rotation_degrees", "get_texture_rotation_degrees");
 	ADD_PROPERTY(PropertyInfo(Variant::REAL, "texture_rotation", PROPERTY_HINT_NONE, "", 0), "set_texture_rotation", "get_texture_rotation");
+
 	ADD_GROUP("Skeleton", "");
 	ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "skeleton", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "Skeleton2D"), "set_skeleton", "get_skeleton");
 

scene/main/canvas_layer.cpp

@@ -332,7 +332,7 @@ void CanvasLayer::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "offset"), "set_offset", "get_offset");
 	ADD_PROPERTY(PropertyInfo(Variant::REAL, "rotation_degrees", PROPERTY_HINT_RANGE, "-1080,1080,0.1,or_lesser,or_greater", PROPERTY_USAGE_EDITOR), "set_rotation_degrees", "get_rotation_degrees");
 	ADD_PROPERTY(PropertyInfo(Variant::REAL, "rotation", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_rotation", "get_rotation");
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scale"), "set_scale", "get_scale");
+	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scale", PROPERTY_HINT_LINK), "set_scale", "get_scale");
 	ADD_PROPERTY(PropertyInfo(Variant::TRANSFORM2D, "transform"), "set_transform", "get_transform");
 	ADD_GROUP("", "");
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "custom_viewport", PROPERTY_HINT_RESOURCE_TYPE, "Viewport", 0), "set_custom_viewport", "get_custom_viewport");

scene/resources/material.cpp

@@ -2174,13 +2174,13 @@ void SpatialMaterial::_bind_methods() {
 	ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "detail_normal", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_texture", "get_texture", TEXTURE_DETAIL_NORMAL);
 
 	ADD_GROUP("UV1", "uv1_");
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "uv1_scale"), "set_uv1_scale", "get_uv1_scale");
+	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "uv1_scale", PROPERTY_HINT_LINK), "set_uv1_scale", "get_uv1_scale");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "uv1_offset"), "set_uv1_offset", "get_uv1_offset");
 	ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "uv1_triplanar"), "set_flag", "get_flag", FLAG_UV1_USE_TRIPLANAR);
 	ADD_PROPERTY(PropertyInfo(Variant::REAL, "uv1_triplanar_sharpness", PROPERTY_HINT_EXP_EASING), "set_uv1_triplanar_blend_sharpness", "get_uv1_triplanar_blend_sharpness");
 
 	ADD_GROUP("UV2", "uv2_");
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "uv2_scale"), "set_uv2_scale", "get_uv2_scale");
+	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "uv2_scale", PROPERTY_HINT_LINK), "set_uv2_scale", "get_uv2_scale");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "uv2_offset"), "set_uv2_offset", "get_uv2_offset");
 	ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "uv2_triplanar"), "set_flag", "get_flag", FLAG_UV2_USE_TRIPLANAR);
 	ADD_PROPERTY(PropertyInfo(Variant::REAL, "uv2_triplanar_sharpness", PROPERTY_HINT_EXP_EASING), "set_uv2_triplanar_blend_sharpness", "get_uv2_triplanar_blend_sharpness");