Implement native extension system

* Deprecates GDNative in favor of a simpler, lower level interface.
* New extension system allows registering core engine classes.
* Simple header interface in gdnative_interace.h

1 files changed, 29 insertions, 0 deletions

diff --git a/core/object/method_bind.cpp b/core/object/method_bind.cpp
index 9c5ed60708..c53104fe3f 100644
--- a/core/object/method_bind.cpp
+++ b/core/object/method_bind.cpp
@@ -34,6 +34,35 @@
 
 #include "method_bind.h"
 
+uint32_t MethodBind::get_hash() const {
+	uint32_t hash = hash_djb2_one_32(has_return() ? 1 : 0);
+	hash = hash_djb2_one_32(get_argument_count(), hash);
+
+#ifndef _MSC_VER
+#warning This needs proper class name and argument type for hashing
+#endif
+#if 0
+
+	for (int i = (has_return() ? -1 : 0); i < get_argument_count(); i++) {
+		PropertyInfo pi = i == -1 ? get_return_info() : get_argument_info(i);
+		hash = hash_djb2_one_32(get_argument_type(i), hash);
+		if (pi.class_name != StringName()) {
+			hash = hash_djb2_one_32(pi.class_name.operator String().hash(), hash);
+		}
+	}
+#endif
+	hash = hash_djb2_one_32(get_default_argument_count(), hash);
+	for (int i = 0; i < get_default_argument_count(); i++) {
+		Variant v = get_default_argument(i);
+		hash = hash_djb2_one_32(v.hash(), hash);
+	}
+
+	hash = hash_djb2_one_32(is_const(), hash);
+	hash = hash_djb2_one_32(is_vararg(), hash);
+
+	return hash;
+}
+
 #ifdef DEBUG_METHODS_ENABLED
 PropertyInfo MethodBind::get_argument_info(int p_argument) const {
 	ERR_FAIL_INDEX_V(p_argument, get_argument_count(), PropertyInfo());