From aee99ab59ff73f54dcf834d870432a62f17ccc82 Mon Sep 17 00:00:00 2001
From: Ignacio Etcheverry <ignalfonsore@gmail.com>
Date: Sun, 6 Aug 2017 02:04:10 +0200
Subject: [PATCH] ClassDB: Adds get_property_index method

---
 core/class_db.cpp | 22 ++++++++++++++++++++++
 core/class_db.h   |  1 +
 2 files changed, 23 insertions(+)

diff --git a/core/class_db.cpp b/core/class_db.cpp
index 6b8c290a992..24d71f86b02 100644
--- a/core/class_db.cpp
+++ b/core/class_db.cpp
@@ -937,6 +937,28 @@ bool ClassDB::get_property(Object *p_object, const StringName &p_property, Varia
 	return false;
 }
 
+int ClassDB::get_property_index(const StringName &p_class, const StringName &p_property, bool *r_is_valid) {
+
+	ClassInfo *type = classes.getptr(p_class);
+	ClassInfo *check = type;
+	while (check) {
+		const PropertySetGet *psg = check->property_setget.getptr(p_property);
+		if (psg) {
+
+			if (r_is_valid)
+				*r_is_valid = true;
+
+			return psg->index;
+		}
+
+		check = check->inherits_ptr;
+	}
+	if (r_is_valid)
+		*r_is_valid = false;
+
+	return -1;
+}
+
 Variant::Type ClassDB::get_property_type(const StringName &p_class, const StringName &p_property, bool *r_is_valid) {
 
 	ClassInfo *type = classes.getptr(p_class);
diff --git a/core/class_db.h b/core/class_db.h
index 4f00a16e915..02eac0dbbca 100644
--- a/core/class_db.h
+++ b/core/class_db.h
@@ -480,6 +480,7 @@ public:
 	static bool set_property(Object *p_object, const StringName &p_property, const Variant &p_value, bool *r_valid = NULL);
 	static bool get_property(Object *p_object, const StringName &p_property, Variant &r_value);
 	static bool has_property(const StringName &p_class, const StringName &p_property, bool p_no_inheritance = false);
+	static int get_property_index(const StringName &p_class, const StringName &p_property, bool *r_is_valid = NULL);
 	static Variant::Type get_property_type(const StringName &p_class, const StringName &p_property, bool *r_is_valid = NULL);
 	static StringName get_property_setter(StringName p_class, const StringName p_property);
 	static StringName get_property_getter(StringName p_class, const StringName p_property);