From 4c69a495c948b1698a1634b506bf660bd49cdd76 Mon Sep 17 00:00:00 2001
From: Max Hilbrunner <mhilbrunner@users.noreply.github.com>
Date: Tue, 29 May 2018 11:47:52 +0200
Subject: Revert "RPCMode refactor, more sync modes"

---
 .../include/nativescript/godot_nativescript.h      |  3 --
 modules/gdnative/nativescript/nativescript.cpp     | 38 +++++++----------
 modules/gdnative/nativescript/nativescript.h       |  4 +-
 .../pluginscript/pluginscript_instance.cpp         |  4 +-
 .../gdnative/pluginscript/pluginscript_instance.h  |  4 +-
 .../gdnative/pluginscript/pluginscript_script.cpp  | 24 +++++------
 .../gdnative/pluginscript/pluginscript_script.h    |  8 ++--
 modules/gdscript/gdscript.cpp                      | 13 +++---
 modules/gdscript/gdscript.h                        |  6 +--
 modules/gdscript/gdscript_function.cpp             |  2 +-
 modules/gdscript/gdscript_function.h               | 12 +++++-
 modules/gdscript/gdscript_parser.cpp               | 49 ++++------------------
 modules/gdscript/gdscript_parser.h                 |  8 ++--
 modules/gdscript/gdscript_tokenizer.cpp            |  9 ----
 modules/gdscript/gdscript_tokenizer.h              |  3 --
 modules/mono/csharp_script.cpp                     | 32 ++++++--------
 modules/mono/csharp_script.h                       |  6 +--
 modules/mono/glue/cs_files/RPCAttributes.cs        |  9 ----
 modules/mono/mono_gd/gd_mono_utils.cpp             |  6 ---
 modules/visual_script/visual_script.cpp            | 10 ++---
 modules/visual_script/visual_script.h              |  4 +-
 modules/visual_script/visual_script_nodes.cpp      |  8 ++--
 modules/visual_script/visual_script_nodes.h        |  6 +--
 23 files changed, 100 insertions(+), 168 deletions(-)

(limited to 'modules')

diff --git a/modules/gdnative/include/nativescript/godot_nativescript.h b/modules/gdnative/include/nativescript/godot_nativescript.h
index f28ba352ab..cfbe16fa7d 100644
--- a/modules/gdnative/include/nativescript/godot_nativescript.h
+++ b/modules/gdnative/include/nativescript/godot_nativescript.h
@@ -43,9 +43,6 @@ typedef enum {
 	GODOT_METHOD_RPC_MODE_SYNC,
 	GODOT_METHOD_RPC_MODE_MASTER,
 	GODOT_METHOD_RPC_MODE_SLAVE,
-	GODOT_METHOD_RPC_MODE_REMOTESYNC,
-	GODOT_METHOD_RPC_MODE_MASTERSYNC,
-	GODOT_METHOD_RPC_MODE_SLAVESYNC,
 } godot_method_rpc_mode;
 
 typedef enum {
diff --git a/modules/gdnative/nativescript/nativescript.cpp b/modules/gdnative/nativescript/nativescript.cpp
index d6abbc1bcf..cf8977f3ea 100644
--- a/modules/gdnative/nativescript/nativescript.cpp
+++ b/modules/gdnative/nativescript/nativescript.cpp
@@ -747,7 +747,7 @@ Ref<Script> NativeScriptInstance::get_script() const {
 	return script;
 }
 
-MultiplayerAPI::RPCMode NativeScriptInstance::get_rpc_mode(const StringName &p_method) const {
+NativeScriptInstance::RPCMode NativeScriptInstance::get_rpc_mode(const StringName &p_method) const {
 
 	NativeScriptDesc *script_data = GET_SCRIPT_DESC();
 
@@ -757,33 +757,27 @@ MultiplayerAPI::RPCMode NativeScriptInstance::get_rpc_mode(const StringName &p_m
 		if (E) {
 			switch (E->get().rpc_mode) {
 				case GODOT_METHOD_RPC_MODE_DISABLED:
-					return MultiplayerAPI::RPC_MODE_DISABLED;
+					return RPC_MODE_DISABLED;
 				case GODOT_METHOD_RPC_MODE_REMOTE:
-					return MultiplayerAPI::RPC_MODE_REMOTE;
+					return RPC_MODE_REMOTE;
 				case GODOT_METHOD_RPC_MODE_SYNC:
-					return MultiplayerAPI::RPC_MODE_SYNC;
+					return RPC_MODE_SYNC;
 				case GODOT_METHOD_RPC_MODE_MASTER:
-					return MultiplayerAPI::RPC_MODE_MASTER;
+					return RPC_MODE_MASTER;
 				case GODOT_METHOD_RPC_MODE_SLAVE:
-					return MultiplayerAPI::RPC_MODE_SLAVE;
-				case GODOT_METHOD_RPC_MODE_REMOTESYNC:
-					return MultiplayerAPI::RPC_MODE_REMOTESYNC;
-				case GODOT_METHOD_RPC_MODE_MASTERSYNC:
-					return MultiplayerAPI::RPC_MODE_MASTERSYNC;
-				case GODOT_METHOD_RPC_MODE_SLAVESYNC:
-					return MultiplayerAPI::RPC_MODE_SLAVESYNC;
+					return RPC_MODE_SLAVE;
 				default:
-					return MultiplayerAPI::RPC_MODE_DISABLED;
+					return RPC_MODE_DISABLED;
 			}
 		}
 
 		script_data = script_data->base_data;
 	}
 
-	return MultiplayerAPI::RPC_MODE_DISABLED;
+	return RPC_MODE_DISABLED;
 }
 
-MultiplayerAPI::RPCMode NativeScriptInstance::get_rset_mode(const StringName &p_variable) const {
+NativeScriptInstance::RPCMode NativeScriptInstance::get_rset_mode(const StringName &p_variable) const {
 
 	NativeScriptDesc *script_data = GET_SCRIPT_DESC();
 
@@ -793,24 +787,24 @@ MultiplayerAPI::RPCMode NativeScriptInstance::get_rset_mode(const StringName &p_
 		if (E) {
 			switch (E.get().rset_mode) {
 				case GODOT_METHOD_RPC_MODE_DISABLED:
-					return MultiplayerAPI::RPC_MODE_DISABLED;
+					return RPC_MODE_DISABLED;
 				case GODOT_METHOD_RPC_MODE_REMOTE:
-					return MultiplayerAPI::RPC_MODE_REMOTE;
+					return RPC_MODE_REMOTE;
 				case GODOT_METHOD_RPC_MODE_SYNC:
-					return MultiplayerAPI::RPC_MODE_SYNC;
+					return RPC_MODE_SYNC;
 				case GODOT_METHOD_RPC_MODE_MASTER:
-					return MultiplayerAPI::RPC_MODE_MASTER;
+					return RPC_MODE_MASTER;
 				case GODOT_METHOD_RPC_MODE_SLAVE:
-					return MultiplayerAPI::RPC_MODE_SLAVE;
+					return RPC_MODE_SLAVE;
 				default:
-					return MultiplayerAPI::RPC_MODE_DISABLED;
+					return RPC_MODE_DISABLED;
 			}
 		}
 
 		script_data = script_data->base_data;
 	}
 
-	return MultiplayerAPI::RPC_MODE_DISABLED;
+	return RPC_MODE_DISABLED;
 }
 
 ScriptLanguage *NativeScriptInstance::get_language() {
diff --git a/modules/gdnative/nativescript/nativescript.h b/modules/gdnative/nativescript/nativescript.h
index b47962dc37..68a8126a32 100644
--- a/modules/gdnative/nativescript/nativescript.h
+++ b/modules/gdnative/nativescript/nativescript.h
@@ -196,8 +196,8 @@ public:
 	virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error);
 	virtual void notification(int p_notification);
 	virtual Ref<Script> get_script() const;
-	virtual MultiplayerAPI::RPCMode get_rpc_mode(const StringName &p_method) const;
-	virtual MultiplayerAPI::RPCMode get_rset_mode(const StringName &p_variable) const;
+	virtual RPCMode get_rpc_mode(const StringName &p_method) const;
+	virtual RPCMode get_rset_mode(const StringName &p_variable) const;
 	virtual ScriptLanguage *get_language();
 
 	virtual void call_multilevel(const StringName &p_method, const Variant **p_args, int p_argcount);
diff --git a/modules/gdnative/pluginscript/pluginscript_instance.cpp b/modules/gdnative/pluginscript/pluginscript_instance.cpp
index 13026e8e7a..931ab0bfe4 100644
--- a/modules/gdnative/pluginscript/pluginscript_instance.cpp
+++ b/modules/gdnative/pluginscript/pluginscript_instance.cpp
@@ -138,11 +138,11 @@ void PluginScriptInstance::notification(int p_notification) {
 	_desc->notification(_data, p_notification);
 }
 
-MultiplayerAPI::RPCMode PluginScriptInstance::get_rpc_mode(const StringName &p_method) const {
+ScriptInstance::RPCMode PluginScriptInstance::get_rpc_mode(const StringName &p_method) const {
 	return _script->get_rpc_mode(p_method);
 }
 
-MultiplayerAPI::RPCMode PluginScriptInstance::get_rset_mode(const StringName &p_variable) const {
+ScriptInstance::RPCMode PluginScriptInstance::get_rset_mode(const StringName &p_variable) const {
 	return _script->get_rset_mode(p_variable);
 }
 
diff --git a/modules/gdnative/pluginscript/pluginscript_instance.h b/modules/gdnative/pluginscript/pluginscript_instance.h
index 8be6a4ccaa..3c7b360ad9 100644
--- a/modules/gdnative/pluginscript/pluginscript_instance.h
+++ b/modules/gdnative/pluginscript/pluginscript_instance.h
@@ -76,8 +76,8 @@ public:
 
 	void set_path(const String &p_path);
 
-	virtual MultiplayerAPI::RPCMode get_rpc_mode(const StringName &p_method) const;
-	virtual MultiplayerAPI::RPCMode get_rset_mode(const StringName &p_variable) const;
+	virtual RPCMode get_rpc_mode(const StringName &p_method) const;
+	virtual RPCMode get_rset_mode(const StringName &p_variable) const;
 
 	virtual void refcount_incremented();
 	virtual bool refcount_decremented();
diff --git a/modules/gdnative/pluginscript/pluginscript_script.cpp b/modules/gdnative/pluginscript/pluginscript_script.cpp
index eb2e7903e5..5ae7926f1b 100644
--- a/modules/gdnative/pluginscript/pluginscript_script.cpp
+++ b/modules/gdnative/pluginscript/pluginscript_script.cpp
@@ -245,9 +245,9 @@ Error PluginScript::reload(bool p_keep_state) {
 		// rpc_mode is passed as an optional field and is not part of MethodInfo
 		Variant var = v["rpc_mode"];
 		if (var == Variant()) {
-			_methods_rpc_mode[mi.name] = MultiplayerAPI::RPC_MODE_DISABLED;
+			_methods_rpc_mode[mi.name] = ScriptInstance::RPC_MODE_DISABLED;
 		} else {
-			_methods_rpc_mode[mi.name] = MultiplayerAPI::RPCMode(int(var));
+			_methods_rpc_mode[mi.name] = ScriptInstance::RPCMode(int(var));
 		}
 	}
 	Array *signals = (Array *)&manifest.signals;
@@ -265,9 +265,9 @@ Error PluginScript::reload(bool p_keep_state) {
 		// rset_mode is passed as an optional field and is not part of PropertyInfo
 		Variant var = v["rset_mode"];
 		if (var == Variant()) {
-			_methods_rpc_mode[pi.name] = MultiplayerAPI::RPC_MODE_DISABLED;
+			_methods_rpc_mode[pi.name] = ScriptInstance::RPC_MODE_DISABLED;
 		} else {
-			_methods_rpc_mode[pi.name] = MultiplayerAPI::RPCMode(int(var));
+			_methods_rpc_mode[pi.name] = ScriptInstance::RPCMode(int(var));
 		}
 	}
 	// Manifest's attributes must be explicitly freed
@@ -402,23 +402,23 @@ int PluginScript::get_member_line(const StringName &p_member) const {
 		return -1;
 }
 
-MultiplayerAPI::RPCMode PluginScript::get_rpc_mode(const StringName &p_method) const {
-	ASSERT_SCRIPT_VALID_V(MultiplayerAPI::RPC_MODE_DISABLED);
-	const Map<StringName, MultiplayerAPI::RPCMode>::Element *e = _methods_rpc_mode.find(p_method);
+ScriptInstance::RPCMode PluginScript::get_rpc_mode(const StringName &p_method) const {
+	ASSERT_SCRIPT_VALID_V(ScriptInstance::RPC_MODE_DISABLED);
+	const Map<StringName, ScriptInstance::RPCMode>::Element *e = _methods_rpc_mode.find(p_method);
 	if (e != NULL) {
 		return e->get();
 	} else {
-		return MultiplayerAPI::RPC_MODE_DISABLED;
+		return ScriptInstance::RPC_MODE_DISABLED;
 	}
 }
 
-MultiplayerAPI::RPCMode PluginScript::get_rset_mode(const StringName &p_variable) const {
-	ASSERT_SCRIPT_VALID_V(MultiplayerAPI::RPC_MODE_DISABLED);
-	const Map<StringName, MultiplayerAPI::RPCMode>::Element *e = _variables_rset_mode.find(p_variable);
+ScriptInstance::RPCMode PluginScript::get_rset_mode(const StringName &p_variable) const {
+	ASSERT_SCRIPT_VALID_V(ScriptInstance::RPC_MODE_DISABLED);
+	const Map<StringName, ScriptInstance::RPCMode>::Element *e = _variables_rset_mode.find(p_variable);
 	if (e != NULL) {
 		return e->get();
 	} else {
-		return MultiplayerAPI::RPC_MODE_DISABLED;
+		return ScriptInstance::RPC_MODE_DISABLED;
 	}
 }
 
diff --git a/modules/gdnative/pluginscript/pluginscript_script.h b/modules/gdnative/pluginscript/pluginscript_script.h
index 31c6c4d67f..1be9e907c2 100644
--- a/modules/gdnative/pluginscript/pluginscript_script.h
+++ b/modules/gdnative/pluginscript/pluginscript_script.h
@@ -62,8 +62,8 @@ private:
 	Map<StringName, PropertyInfo> _properties_info;
 	Map<StringName, MethodInfo> _signals_info;
 	Map<StringName, MethodInfo> _methods_info;
-	Map<StringName, MultiplayerAPI::RPCMode> _variables_rset_mode;
-	Map<StringName, MultiplayerAPI::RPCMode> _methods_rpc_mode;
+	Map<StringName, ScriptInstance::RPCMode> _variables_rset_mode;
+	Map<StringName, ScriptInstance::RPCMode> _methods_rpc_mode;
 
 	Set<Object *> _instances;
 	//exported members
@@ -116,8 +116,8 @@ public:
 
 	virtual int get_member_line(const StringName &p_member) const;
 
-	MultiplayerAPI::RPCMode get_rpc_mode(const StringName &p_method) const;
-	MultiplayerAPI::RPCMode get_rset_mode(const StringName &p_variable) const;
+	ScriptInstance::RPCMode get_rpc_mode(const StringName &p_method) const;
+	ScriptInstance::RPCMode get_rset_mode(const StringName &p_variable) const;
 
 	PluginScript();
 	void init(PluginScriptLanguage *language);
diff --git a/modules/gdscript/gdscript.cpp b/modules/gdscript/gdscript.cpp
index f23e7854a5..14bdce50ec 100644
--- a/modules/gdscript/gdscript.cpp
+++ b/modules/gdscript/gdscript.cpp
@@ -1220,7 +1220,7 @@ ScriptLanguage *GDScriptInstance::get_language() {
 	return GDScriptLanguage::get_singleton();
 }
 
-MultiplayerAPI::RPCMode GDScriptInstance::get_rpc_mode(const StringName &p_method) const {
+GDScriptInstance::RPCMode GDScriptInstance::get_rpc_mode(const StringName &p_method) const {
 
 	const GDScript *cscript = script.ptr();
 
@@ -1228,17 +1228,17 @@ MultiplayerAPI::RPCMode GDScriptInstance::get_rpc_mode(const StringName &p_metho
 		const Map<StringName, GDScriptFunction *>::Element *E = cscript->member_functions.find(p_method);
 		if (E) {
 
-			if (E->get()->get_rpc_mode() != MultiplayerAPI::RPC_MODE_DISABLED) {
+			if (E->get()->get_rpc_mode() != RPC_MODE_DISABLED) {
 				return E->get()->get_rpc_mode();
 			}
 		}
 		cscript = cscript->_base;
 	}
 
-	return MultiplayerAPI::RPC_MODE_DISABLED;
+	return RPC_MODE_DISABLED;
 }
 
-MultiplayerAPI::RPCMode GDScriptInstance::get_rset_mode(const StringName &p_variable) const {
+GDScriptInstance::RPCMode GDScriptInstance::get_rset_mode(const StringName &p_variable) const {
 
 	const GDScript *cscript = script.ptr();
 
@@ -1253,7 +1253,7 @@ MultiplayerAPI::RPCMode GDScriptInstance::get_rset_mode(const StringName &p_vari
 		cscript = cscript->_base;
 	}
 
-	return MultiplayerAPI::RPC_MODE_DISABLED;
+	return RPC_MODE_DISABLED;
 }
 
 void GDScriptInstance::reload_members() {
@@ -1769,9 +1769,6 @@ void GDScriptLanguage::get_reserved_words(List<String> *p_words) const {
 		"sync",
 		"master",
 		"slave",
-		"remotesync",
-		"mastersync",
-		"slavesync",
 		0
 	};
 
diff --git a/modules/gdscript/gdscript.h b/modules/gdscript/gdscript.h
index a35b0a10d5..6885fbb7fe 100644
--- a/modules/gdscript/gdscript.h
+++ b/modules/gdscript/gdscript.h
@@ -63,7 +63,7 @@ class GDScript : public Script {
 		int index;
 		StringName setter;
 		StringName getter;
-		MultiplayerAPI::RPCMode rpc_mode;
+		ScriptInstance::RPCMode rpc_mode;
 	};
 
 	friend class GDScriptInstance;
@@ -248,8 +248,8 @@ public:
 
 	void reload_members();
 
-	virtual MultiplayerAPI::RPCMode get_rpc_mode(const StringName &p_method) const;
-	virtual MultiplayerAPI::RPCMode get_rset_mode(const StringName &p_variable) const;
+	virtual RPCMode get_rpc_mode(const StringName &p_method) const;
+	virtual RPCMode get_rset_mode(const StringName &p_variable) const;
 
 	GDScriptInstance();
 	~GDScriptInstance();
diff --git a/modules/gdscript/gdscript_function.cpp b/modules/gdscript/gdscript_function.cpp
index 61130cb58f..dac7da3a28 100644
--- a/modules/gdscript/gdscript_function.cpp
+++ b/modules/gdscript/gdscript_function.cpp
@@ -1455,7 +1455,7 @@ GDScriptFunction::GDScriptFunction() :
 
 	_stack_size = 0;
 	_call_size = 0;
-	rpc_mode = MultiplayerAPI::RPC_MODE_DISABLED;
+	rpc_mode = ScriptInstance::RPC_MODE_DISABLED;
 	name = "<anonymous>";
 #ifdef DEBUG_ENABLED
 	_func_cname = NULL;
diff --git a/modules/gdscript/gdscript_function.h b/modules/gdscript/gdscript_function.h
index 836325f0fe..ea009dcd96 100644
--- a/modules/gdscript/gdscript_function.h
+++ b/modules/gdscript/gdscript_function.h
@@ -96,6 +96,14 @@ public:
 		ADDR_TYPE_NIL = 9
 	};
 
+	enum RPCMode {
+		RPC_DISABLED,
+		RPC_ENABLED,
+		RPC_SYNC,
+		RPC_SYNC_MASTER,
+		RPC_SYNC_SLAVE
+	};
+
 	struct StackDebug {
 
 		int line;
@@ -127,7 +135,7 @@ private:
 	int _call_size;
 	int _initial_line;
 	bool _static;
-	MultiplayerAPI::RPCMode rpc_mode;
+	ScriptInstance::RPCMode rpc_mode;
 
 	GDScript *_script;
 
@@ -222,7 +230,7 @@ public:
 
 	Variant call(GDScriptInstance *p_instance, const Variant **p_args, int p_argcount, Variant::CallError &r_err, CallState *p_state = NULL);
 
-	_FORCE_INLINE_ MultiplayerAPI::RPCMode get_rpc_mode() const { return rpc_mode; }
+	_FORCE_INLINE_ ScriptInstance::RPCMode get_rpc_mode() const { return rpc_mode; }
 	GDScriptFunction();
 	~GDScriptFunction();
 };
diff --git a/modules/gdscript/gdscript_parser.cpp b/modules/gdscript/gdscript_parser.cpp
index fdb92a68a9..5e93b377d2 100644
--- a/modules/gdscript/gdscript_parser.cpp
+++ b/modules/gdscript/gdscript_parser.cpp
@@ -3373,7 +3373,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
 				function->line = fnline;
 
 				function->rpc_mode = rpc_mode;
-				rpc_mode = MultiplayerAPI::RPC_MODE_DISABLED;
+				rpc_mode = ScriptInstance::RPC_MODE_DISABLED;
 
 				if (_static)
 					p_class->static_functions.push_back(function);
@@ -3931,10 +3931,10 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
 					tokenizer->advance();
 				}
 
-				if (tokenizer->get_token() != GDScriptTokenizer::TK_PR_VAR && tokenizer->get_token() != GDScriptTokenizer::TK_PR_ONREADY && tokenizer->get_token() != GDScriptTokenizer::TK_PR_REMOTE && tokenizer->get_token() != GDScriptTokenizer::TK_PR_MASTER && tokenizer->get_token() != GDScriptTokenizer::TK_PR_SLAVE && tokenizer->get_token() != GDScriptTokenizer::TK_PR_SYNC && tokenizer->get_token() != GDScriptTokenizer::TK_PR_REMOTESYNC && tokenizer->get_token() != GDScriptTokenizer::TK_PR_MASTERSYNC && tokenizer->get_token() != GDScriptTokenizer::TK_PR_SLAVESYNC) {
+				if (tokenizer->get_token() != GDScriptTokenizer::TK_PR_VAR && tokenizer->get_token() != GDScriptTokenizer::TK_PR_ONREADY && tokenizer->get_token() != GDScriptTokenizer::TK_PR_REMOTE && tokenizer->get_token() != GDScriptTokenizer::TK_PR_MASTER && tokenizer->get_token() != GDScriptTokenizer::TK_PR_SLAVE && tokenizer->get_token() != GDScriptTokenizer::TK_PR_SYNC) {
 
 					current_export = PropertyInfo();
-					_set_error("Expected 'var', 'onready', 'remote', 'master', 'slave', 'sync', 'remotesync', 'mastersync', 'slavesync'.");
+					_set_error("Expected 'var', 'onready', 'remote', 'master', 'slave' or 'sync'.");
 					return;
 				}
 
@@ -3967,7 +3967,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
 						return;
 					}
 				}
-				rpc_mode = MultiplayerAPI::RPC_MODE_REMOTE;
+				rpc_mode = ScriptInstance::RPC_MODE_REMOTE;
 
 				continue;
 			} break;
@@ -3988,7 +3988,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
 					}
 				}
 
-				rpc_mode = MultiplayerAPI::RPC_MODE_MASTER;
+				rpc_mode = ScriptInstance::RPC_MODE_MASTER;
 				continue;
 			} break;
 			case GDScriptTokenizer::TK_PR_SLAVE: {
@@ -4008,10 +4008,9 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
 					}
 				}
 
-				rpc_mode = MultiplayerAPI::RPC_MODE_SLAVE;
+				rpc_mode = ScriptInstance::RPC_MODE_SLAVE;
 				continue;
 			} break;
-			case GDScriptTokenizer::TK_PR_REMOTESYNC:
 			case GDScriptTokenizer::TK_PR_SYNC: {
 
 				//may be fallthrough from export, ignore if so
@@ -4024,37 +4023,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
 					return;
 				}
 
-				rpc_mode = MultiplayerAPI::RPC_MODE_SYNC;
-				continue;
-			} break;
-			case GDScriptTokenizer::TK_PR_MASTERSYNC: {
-
-				//may be fallthrough from export, ignore if so
-				tokenizer->advance();
-				if (tokenizer->get_token() != GDScriptTokenizer::TK_PR_VAR && tokenizer->get_token() != GDScriptTokenizer::TK_PR_FUNCTION) {
-					if (current_export.type)
-						_set_error("Expected 'var'.");
-					else
-						_set_error("Expected 'var' or 'func'.");
-					return;
-				}
-
-				rpc_mode = MultiplayerAPI::RPC_MODE_MASTERSYNC;
-				continue;
-			} break;
-			case GDScriptTokenizer::TK_PR_SLAVESYNC: {
-
-				//may be fallthrough from export, ignore if so
-				tokenizer->advance();
-				if (tokenizer->get_token() != GDScriptTokenizer::TK_PR_VAR && tokenizer->get_token() != GDScriptTokenizer::TK_PR_FUNCTION) {
-					if (current_export.type)
-						_set_error("Expected 'var'.");
-					else
-						_set_error("Expected 'var' or 'func'.");
-					return;
-				}
-
-				rpc_mode = MultiplayerAPI::RPC_MODE_SLAVESYNC;
+				rpc_mode = ScriptInstance::RPC_MODE_SYNC;
 				continue;
 			} break;
 			case GDScriptTokenizer::TK_PR_VAR: {
@@ -4084,7 +4053,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
 
 				tokenizer->advance();
 
-				rpc_mode = MultiplayerAPI::RPC_MODE_DISABLED;
+				rpc_mode = ScriptInstance::RPC_MODE_DISABLED;
 
 				if (tokenizer->get_token() == GDScriptTokenizer::TK_OP_ASSIGN) {
 
@@ -4509,7 +4478,7 @@ void GDScriptParser::clear() {
 	current_class = NULL;
 
 	completion_found = false;
-	rpc_mode = MultiplayerAPI::RPC_MODE_DISABLED;
+	rpc_mode = ScriptInstance::RPC_MODE_DISABLED;
 
 	current_function = NULL;
 
diff --git a/modules/gdscript/gdscript_parser.h b/modules/gdscript/gdscript_parser.h
index b88a59537c..485ba1263d 100644
--- a/modules/gdscript/gdscript_parser.h
+++ b/modules/gdscript/gdscript_parser.h
@@ -89,7 +89,7 @@ public:
 			StringName getter;
 			int line;
 			Node *expression;
-			MultiplayerAPI::RPCMode rpc_mode;
+			ScriptInstance::RPCMode rpc_mode;
 		};
 		struct Constant {
 			StringName identifier;
@@ -125,7 +125,7 @@ public:
 	struct FunctionNode : public Node {
 
 		bool _static;
-		MultiplayerAPI::RPCMode rpc_mode;
+		ScriptInstance::RPCMode rpc_mode;
 		StringName name;
 		Vector<StringName> arguments;
 		Vector<Node *> default_values;
@@ -134,7 +134,7 @@ public:
 		FunctionNode() {
 			type = TYPE_FUNCTION;
 			_static = false;
-			rpc_mode = MultiplayerAPI::RPC_MODE_DISABLED;
+			rpc_mode = ScriptInstance::RPC_MODE_DISABLED;
 		}
 	};
 
@@ -493,7 +493,7 @@ private:
 
 	PropertyInfo current_export;
 
-	MultiplayerAPI::RPCMode rpc_mode;
+	ScriptInstance::RPCMode rpc_mode;
 
 	void _set_error(const String &p_error, int p_line = -1, int p_column = -1);
 	bool _recover_from_completion();
diff --git a/modules/gdscript/gdscript_tokenizer.cpp b/modules/gdscript/gdscript_tokenizer.cpp
index 3c8e1ddbe4..6a844cd651 100644
--- a/modules/gdscript/gdscript_tokenizer.cpp
+++ b/modules/gdscript/gdscript_tokenizer.cpp
@@ -110,9 +110,6 @@ const char *GDScriptTokenizer::token_names[TK_MAX] = {
 	"sync",
 	"master",
 	"slave",
-	"remotesync",
-	"mastersync",
-	"slavesync",
 	"'['",
 	"']'",
 	"'{'",
@@ -204,9 +201,6 @@ static const _kws _keyword_list[] = {
 	{ GDScriptTokenizer::TK_PR_MASTER, "master" },
 	{ GDScriptTokenizer::TK_PR_SLAVE, "slave" },
 	{ GDScriptTokenizer::TK_PR_SYNC, "sync" },
-	{ GDScriptTokenizer::TK_PR_REMOTESYNC, "remotesync" },
-	{ GDScriptTokenizer::TK_PR_MASTERSYNC, "mastersync" },
-	{ GDScriptTokenizer::TK_PR_SLAVESYNC, "slavesync" },
 	{ GDScriptTokenizer::TK_PR_CONST, "const" },
 	{ GDScriptTokenizer::TK_PR_ENUM, "enum" },
 	//controlflow
@@ -253,9 +247,6 @@ bool GDScriptTokenizer::is_token_literal(int p_offset, bool variable_safe) const
 		case TK_PR_MASTER:
 		case TK_PR_SLAVE:
 		case TK_PR_SYNC:
-		case TK_PR_REMOTESYNC:
-		case TK_PR_MASTERSYNC:
-		case TK_PR_SLAVESYNC:
 			return true;
 
 		// Literal for non-variables only:
diff --git a/modules/gdscript/gdscript_tokenizer.h b/modules/gdscript/gdscript_tokenizer.h
index c4f1f9fd94..b020c85199 100644
--- a/modules/gdscript/gdscript_tokenizer.h
+++ b/modules/gdscript/gdscript_tokenizer.h
@@ -115,9 +115,6 @@ public:
 		TK_PR_SYNC,
 		TK_PR_MASTER,
 		TK_PR_SLAVE,
-		TK_PR_REMOTESYNC,
-		TK_PR_MASTERSYNC,
-		TK_PR_SLAVESYNC,
 		TK_BRACKET_OPEN,
 		TK_BRACKET_CLOSE,
 		TK_CURLY_BRACKET_OPEN,
diff --git a/modules/mono/csharp_script.cpp b/modules/mono/csharp_script.cpp
index 3cfc376317..24292b77ed 100644
--- a/modules/mono/csharp_script.cpp
+++ b/modules/mono/csharp_script.cpp
@@ -1310,27 +1310,21 @@ bool CSharpInstance::refcount_decremented() {
 	return ref_dying;
 }
 
-MultiplayerAPI::RPCMode CSharpInstance::_member_get_rpc_mode(GDMonoClassMember *p_member) const {
+ScriptInstance::RPCMode CSharpInstance::_member_get_rpc_mode(GDMonoClassMember *p_member) const {
 
 	if (p_member->has_attribute(CACHED_CLASS(RemoteAttribute)))
-		return MultiplayerAPI::RPC_MODE_REMOTE;
+		return RPC_MODE_REMOTE;
 	if (p_member->has_attribute(CACHED_CLASS(SyncAttribute)))
-		return MultiplayerAPI::RPC_MODE_SYNC;
+		return RPC_MODE_SYNC;
 	if (p_member->has_attribute(CACHED_CLASS(MasterAttribute)))
-		return MultiplayerAPI::RPC_MODE_MASTER;
+		return RPC_MODE_MASTER;
 	if (p_member->has_attribute(CACHED_CLASS(SlaveAttribute)))
-		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_SLAVE;
 
-	return MultiplayerAPI::RPC_MODE_DISABLED;
+	return RPC_MODE_DISABLED;
 }
 
-MultiplayerAPI::RPCMode CSharpInstance::get_rpc_mode(const StringName &p_method) const {
+ScriptInstance::RPCMode CSharpInstance::get_rpc_mode(const StringName &p_method) const {
 
 	GDMonoClass *top = script->script_class;
 
@@ -1343,10 +1337,10 @@ MultiplayerAPI::RPCMode CSharpInstance::get_rpc_mode(const StringName &p_method)
 		top = top->get_parent_class();
 	}
 
-	return MultiplayerAPI::RPC_MODE_DISABLED;
+	return RPC_MODE_DISABLED;
 }
 
-MultiplayerAPI::RPCMode CSharpInstance::get_rset_mode(const StringName &p_variable) const {
+ScriptInstance::RPCMode CSharpInstance::get_rset_mode(const StringName &p_variable) const {
 
 	GDMonoClass *top = script->script_class;
 
@@ -1364,7 +1358,7 @@ MultiplayerAPI::RPCMode CSharpInstance::get_rset_mode(const StringName &p_variab
 		top = top->get_parent_class();
 	}
 
-	return MultiplayerAPI::RPC_MODE_DISABLED;
+	return RPC_MODE_DISABLED;
 }
 
 void CSharpInstance::notification(int p_notification) {
@@ -1973,15 +1967,15 @@ 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);
 	}
diff --git a/modules/mono/csharp_script.h b/modules/mono/csharp_script.h
index cae2bbf40a..8666149111 100644
--- a/modules/mono/csharp_script.h
+++ b/modules/mono/csharp_script.h
@@ -192,7 +192,7 @@ class CSharpInstance : public ScriptInstance {
 
 	void _call_multilevel(MonoObject *p_mono_object, const StringName &p_method, const Variant **p_args, int p_argcount);
 
-	MultiplayerAPI::RPCMode _member_get_rpc_mode(GDMonoClassMember *p_member) const;
+	RPCMode _member_get_rpc_mode(GDMonoClassMember *p_member) const;
 
 public:
 	MonoObject *get_mono_object() const;
@@ -213,8 +213,8 @@ public:
 	virtual void refcount_incremented();
 	virtual bool refcount_decremented();
 
-	virtual MultiplayerAPI::RPCMode get_rpc_mode(const StringName &p_method) const;
-	virtual MultiplayerAPI::RPCMode get_rset_mode(const StringName &p_variable) const;
+	virtual RPCMode get_rpc_mode(const StringName &p_method) const;
+	virtual RPCMode get_rset_mode(const StringName &p_variable) const;
 
 	virtual void notification(int p_notification);
 	void call_notification_no_check(MonoObject *p_mono_object, int p_notification);
diff --git a/modules/mono/glue/cs_files/RPCAttributes.cs b/modules/mono/glue/cs_files/RPCAttributes.cs
index 6bf9560bfa..08841ffd76 100644
--- a/modules/mono/glue/cs_files/RPCAttributes.cs
+++ b/modules/mono/glue/cs_files/RPCAttributes.cs
@@ -13,13 +13,4 @@ namespace Godot
 
     [AttributeUsage(AttributeTargets.Method | AttributeTargets.Field)]
     public class SlaveAttribute : Attribute {}
-
-    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Field)]
-    public class RemoteSyncAttribute : Attribute {}
-
-    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Field)]
-    public class MasterSyncAttribute : Attribute {}
-
-    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Field)]
-    public class SlaveSyncAttribute : Attribute {}
 }
diff --git a/modules/mono/mono_gd/gd_mono_utils.cpp b/modules/mono/mono_gd/gd_mono_utils.cpp
index fbdbeaa3f7..db136a1313 100644
--- a/modules/mono/mono_gd/gd_mono_utils.cpp
+++ b/modules/mono/mono_gd/gd_mono_utils.cpp
@@ -120,9 +120,6 @@ void MonoCache::clear_members() {
 	class_SyncAttribute = NULL;
 	class_MasterAttribute = NULL;
 	class_SlaveAttribute = NULL;
-	class_RemoteSyncAttribute = NULL;
-	class_MasterSyncAttribute = NULL;
-	class_SlaveSyncAttribute = NULL;
 	class_GodotMethodAttribute = NULL;
 	field_GodotMethodAttribute_methodName = NULL;
 
@@ -211,9 +208,6 @@ void update_godot_api_cache() {
 	CACHE_CLASS_AND_CHECK(SyncAttribute, GODOT_API_CLASS(SyncAttribute));
 	CACHE_CLASS_AND_CHECK(MasterAttribute, GODOT_API_CLASS(MasterAttribute));
 	CACHE_CLASS_AND_CHECK(SlaveAttribute, GODOT_API_CLASS(SlaveAttribute));
-	CACHE_CLASS_AND_CHECK(RemoteSyncAttribute, GODOT_API_CLASS(RemoteSyncAttribute));
-	CACHE_CLASS_AND_CHECK(MasterSyncAttribute, GODOT_API_CLASS(MasterSyncAttribute));
-	CACHE_CLASS_AND_CHECK(SlaveSyncAttribute, GODOT_API_CLASS(SlaveSyncAttribute));
 	CACHE_CLASS_AND_CHECK(GodotMethodAttribute, GODOT_API_CLASS(GodotMethodAttribute));
 	CACHE_FIELD_AND_CHECK(GodotMethodAttribute, methodName, CACHED_CLASS(GodotMethodAttribute)->get_field("methodName"));
 
diff --git a/modules/visual_script/visual_script.cpp b/modules/visual_script/visual_script.cpp
index 9331092171..318fb7fb9c 100644
--- a/modules/visual_script/visual_script.cpp
+++ b/modules/visual_script/visual_script.cpp
@@ -1971,11 +1971,11 @@ Ref<Script> VisualScriptInstance::get_script() const {
 	return script;
 }
 
-MultiplayerAPI::RPCMode VisualScriptInstance::get_rpc_mode(const StringName &p_method) const {
+ScriptInstance::RPCMode VisualScriptInstance::get_rpc_mode(const StringName &p_method) const {
 
 	const Map<StringName, VisualScript::Function>::Element *E = script->functions.find(p_method);
 	if (!E) {
-		return MultiplayerAPI::RPC_MODE_DISABLED;
+		return RPC_MODE_DISABLED;
 	}
 
 	if (E->get().function_id >= 0 && E->get().nodes.has(E->get().function_id)) {
@@ -1987,12 +1987,12 @@ MultiplayerAPI::RPCMode VisualScriptInstance::get_rpc_mode(const StringName &p_m
 		}
 	}
 
-	return MultiplayerAPI::RPC_MODE_DISABLED;
+	return RPC_MODE_DISABLED;
 }
 
-MultiplayerAPI::RPCMode VisualScriptInstance::get_rset_mode(const StringName &p_variable) const {
+ScriptInstance::RPCMode VisualScriptInstance::get_rset_mode(const StringName &p_variable) const {
 
-	return MultiplayerAPI::RPC_MODE_DISABLED;
+	return RPC_MODE_DISABLED;
 }
 
 void VisualScriptInstance::create(const Ref<VisualScript> &p_script, Object *p_owner) {
diff --git a/modules/visual_script/visual_script.h b/modules/visual_script/visual_script.h
index aaa6dfea11..a15360ad39 100644
--- a/modules/visual_script/visual_script.h
+++ b/modules/visual_script/visual_script.h
@@ -433,8 +433,8 @@ public:
 
 	virtual ScriptLanguage *get_language();
 
-	virtual MultiplayerAPI::RPCMode get_rpc_mode(const StringName &p_method) const;
-	virtual MultiplayerAPI::RPCMode get_rset_mode(const StringName &p_variable) const;
+	virtual RPCMode get_rpc_mode(const StringName &p_method) const;
+	virtual RPCMode get_rset_mode(const StringName &p_variable) const;
 
 	VisualScriptInstance();
 	~VisualScriptInstance();
diff --git a/modules/visual_script/visual_script_nodes.cpp b/modules/visual_script/visual_script_nodes.cpp
index 8b7b809ec0..4803f29519 100644
--- a/modules/visual_script/visual_script_nodes.cpp
+++ b/modules/visual_script/visual_script_nodes.cpp
@@ -93,7 +93,7 @@ bool VisualScriptFunction::_set(const StringName &p_name, const Variant &p_value
 	}
 
 	if (p_name == "rpc/mode") {
-		rpc_mode = MultiplayerAPI::RPCMode(int(p_value));
+		rpc_mode = ScriptInstance::RPCMode(int(p_value));
 		return true;
 	}
 
@@ -267,11 +267,11 @@ int VisualScriptFunction::get_argument_count() const {
 	return arguments.size();
 }
 
-void VisualScriptFunction::set_rpc_mode(MultiplayerAPI::RPCMode p_mode) {
+void VisualScriptFunction::set_rpc_mode(ScriptInstance::RPCMode p_mode) {
 	rpc_mode = p_mode;
 }
 
-MultiplayerAPI::RPCMode VisualScriptFunction::get_rpc_mode() const {
+ScriptInstance::RPCMode VisualScriptFunction::get_rpc_mode() const {
 	return rpc_mode;
 }
 
@@ -319,7 +319,7 @@ VisualScriptFunction::VisualScriptFunction() {
 	stack_size = 256;
 	stack_less = false;
 	sequenced = true;
-	rpc_mode = MultiplayerAPI::RPC_MODE_DISABLED;
+	rpc_mode = ScriptInstance::RPC_MODE_DISABLED;
 }
 
 void VisualScriptFunction::set_stack_less(bool p_enable) {
diff --git a/modules/visual_script/visual_script_nodes.h b/modules/visual_script/visual_script_nodes.h
index 9bfbd46e47..a0bc35dd92 100644
--- a/modules/visual_script/visual_script_nodes.h
+++ b/modules/visual_script/visual_script_nodes.h
@@ -46,7 +46,7 @@ class VisualScriptFunction : public VisualScriptNode {
 
 	bool stack_less;
 	int stack_size;
-	MultiplayerAPI::RPCMode rpc_mode;
+	ScriptInstance::RPCMode rpc_mode;
 	bool sequenced;
 
 protected:
@@ -93,8 +93,8 @@ public:
 	void set_return_type(Variant::Type p_type);
 	Variant::Type get_return_type() const;
 
-	void set_rpc_mode(MultiplayerAPI::RPCMode p_mode);
-	MultiplayerAPI::RPCMode get_rpc_mode() const;
+	void set_rpc_mode(ScriptInstance::RPCMode p_mode);
+	ScriptInstance::RPCMode get_rpc_mode() const;
 
 	virtual VisualScriptNodeInstance *instance(VisualScriptInstance *p_instance);
 
-- 
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