Merge pull request #3 from akien-mga/classref-4.3

Add class reference support with godot-cpp#1374.

SConstruct

@@ -7,6 +7,13 @@ env = SConscript("godot-cpp/SConstruct")
 env.Append(CPPPATH=["src/"])
 sources = Glob("src/*.cpp")
 
+if env["target"] in ["editor", "template_debug"]:
+    try:
+        doc_data = env.GodotCPPDocData("src/gen/doc_data.gen.cpp", source=Glob("doc_classes/*.xml"))
+        sources.append(doc_data)
+    except AttributeError:
+        print("Not including class reference as we're targeting a pre-4.3 baseline.")
+
 if env["platform"] == "macos":
     platlibname = "{}.{}.{}".format(libname, env["platform"], env["target"])
     library = env.SharedLibrary(

demo/project.godot

@@ -12,5 +12,5 @@ config_version=5
 
 config/name="GDExtension Threen Demo"
 run/main_scene="res://node_2d.tscn"
-config/features=PackedStringArray("4.1")
+config/features=PackedStringArray("4.3")
 config/icon="res://icon.png"