1 files changed, 25 insertions, 13 deletions

diff --git a/modules/mono/csharp_script.cpp b/modules/mono/csharp_script.cpp
index 24292b77ed..46c40b2690 100644
--- a/modules/mono/csharp_script.cpp
+++ b/modules/mono/csharp_script.cpp
@@ -1310,21 +1310,27 @@ bool CSharpInstance::refcount_decremented() {
 	return ref_dying;
 }
 
-ScriptInstance::RPCMode CSharpInstance::_member_get_rpc_mode(GDMonoClassMember *p_member) const {
+MultiplayerAPI::RPCMode CSharpInstance::_member_get_rpc_mode(GDMonoClassMember *p_member) const {
 
 	if (p_member->has_attribute(CACHED_CLASS(RemoteAttribute)))
-		return RPC_MODE_REMOTE;
+		return MultiplayerAPI::RPC_MODE_REMOTE;
 	if (p_member->has_attribute(CACHED_CLASS(SyncAttribute)))
-		return RPC_MODE_SYNC;
+		return MultiplayerAPI::RPC_MODE_SYNC;
 	if (p_member->has_attribute(CACHED_CLASS(MasterAttribute)))
-		return RPC_MODE_MASTER;
+		return MultiplayerAPI::RPC_MODE_MASTER;
 	if (p_member->has_attribute(CACHED_CLASS(SlaveAttribute)))
-		return RPC_MODE_SLAVE;
+		return MultiplayerAPI::RPC_MODE_SLAVE;
+	if (p_member->has_attribute(CACHED_CLASS(RemoteSyncAttribute)))
+		return MultiplayerAPI::RPC_MODE_REMOTESYNC;
+	if (p_member->has_attribute(CACHED_CLASS(MasterSyncAttribute)))
+		return MultiplayerAPI::RPC_MODE_MASTERSYNC;
+	if (p_member->has_attribute(CACHED_CLASS(SlaveSyncAttribute)))
+		return MultiplayerAPI::RPC_MODE_SLAVESYNC;
 
-	return RPC_MODE_DISABLED;
+	return MultiplayerAPI::RPC_MODE_DISABLED;
 }
 
-ScriptInstance::RPCMode CSharpInstance::get_rpc_mode(const StringName &p_method) const {
+MultiplayerAPI::RPCMode CSharpInstance::get_rpc_mode(const StringName &p_method) const {
 
 	GDMonoClass *top = script->script_class;
 
@@ -1337,10 +1343,10 @@ ScriptInstance::RPCMode CSharpInstance::get_rpc_mode(const StringName &p_method)
 		top = top->get_parent_class();
 	}
 
-	return RPC_MODE_DISABLED;
+	return MultiplayerAPI::RPC_MODE_DISABLED;
 }
 
-ScriptInstance::RPCMode CSharpInstance::get_rset_mode(const StringName &p_variable) const {
+MultiplayerAPI::RPCMode CSharpInstance::get_rset_mode(const StringName &p_variable) const {
 
 	GDMonoClass *top = script->script_class;
 
@@ -1358,7 +1364,7 @@ ScriptInstance::RPCMode CSharpInstance::get_rset_mode(const StringName &p_variab
 		top = top->get_parent_class();
 	}
 
-	return RPC_MODE_DISABLED;
+	return MultiplayerAPI::RPC_MODE_DISABLED;
 }
 
 void CSharpInstance::notification(int p_notification) {
@@ -1726,6 +1732,12 @@ void CSharpScript::_clear() {
 
 Variant CSharpScript::call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
 
+	if (unlikely(GDMono::get_singleton() == NULL)) {
+		// Probably not the best error but eh.
+		r_error.error = Variant::CallError::CALL_ERROR_INSTANCE_IS_NULL;
+		return Variant();
+	}
+
 	GDMonoClass *top = script_class;
 
 	while (top && top != native) {
@@ -1967,15 +1979,15 @@ ScriptInstance *CSharpScript::instance_create(Object *p_this) {
 		return NULL;
 #endif
 	}
-	
+
 	if (!script_class) {
 		if (GDMono::get_singleton()->get_project_assembly() == NULL) {
 			// The project assembly is not loaded
 			ERR_EXPLAIN("Cannot instance script because the project assembly is not loaded. Script: " + get_path());
 			ERR_FAIL_V(NULL);
 		}
-		
-			// The project assembly is loaded, but the class could not found
+
+		// The project assembly is loaded, but the class could not found
 		ERR_EXPLAIN("Cannot instance script because the class '" + name + "' could not be found. Script: " + get_path());
 		ERR_FAIL_V(NULL);
 	}