Huge Debugger/EditorDebugger refactor.

2 files changed, 1461 insertions, 0 deletions

diff --git a/core/script_debugger_remote.cpp b/core/script_debugger_remote.cpp
new file mode 100644
index 0000000000..fdb6135edd
--- /dev/null
+++ b/core/script_debugger_remote.cpp
@@ -0,0 +1,1145 @@
+/*************************************************************************/
+/*  script_debugger_remote.cpp                                           */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "script_debugger_remote.h"
+
+#include "core/engine.h"
+#include "core/io/ip.h"
+#include "core/io/marshalls.h"
+#include "core/os/input.h"
+#include "core/os/os.h"
+#include "core/project_settings.h"
+#include "servers/visual_server.h"
+
+#define CHECK_SIZE(arr, expected, what) ERR_FAIL_COND_V_MSG((uint32_t)arr.size() < (uint32_t)(expected), false, String("Malformed ") + what + " message from script debugger, message too short. Exptected size: " + itos(expected) + ", actual size: " + itos(arr.size()))
+#define CHECK_END(arr, expected, what) ERR_FAIL_COND_V_MSG((uint32_t)arr.size() > (uint32_t)expected, false, String("Malformed ") + what + " message from script debugger, message too short. Exptected size: " + itos(expected) + ", actual size: " + itos(arr.size()))
+
+Array ScriptDebuggerRemote::ScriptStackDump::serialize() {
+	Array arr;
+	arr.push_back(frames.size() * 3);
+	for (int i = 0; i < frames.size(); i++) {
+		arr.push_back(frames[i].file);
+		arr.push_back(frames[i].line);
+		arr.push_back(frames[i].func);
+	}
+	return arr;
+}
+
+bool ScriptDebuggerRemote::ScriptStackDump::deserialize(const Array &p_arr) {
+	CHECK_SIZE(p_arr, 1, "ScriptStackDump");
+	uint32_t size = p_arr[0];
+	CHECK_SIZE(p_arr, size, "ScriptStackDump");
+	int idx = 1;
+	for (uint32_t i = 0; i < size / 3; i++) {
+		ScriptLanguage::StackInfo sf;
+		sf.file = p_arr[idx];
+		sf.line = p_arr[idx + 1];
+		sf.func = p_arr[idx + 2];
+		frames.push_back(sf);
+		idx += 3;
+	}
+	CHECK_END(p_arr, idx, "ScriptStackDump");
+	return true;
+}
+
+Array ScriptDebuggerRemote::ScriptStackVariable::serialize(int max_size) {
+	Array arr;
+	arr.push_back(name);
+	arr.push_back(type);
+
+	Variant var = value;
+	if (value.get_type() == Variant::OBJECT && value.get_validated_object() == nullptr) {
+		var = Variant();
+	}
+
+	int len = 0;
+	Error err = encode_variant(var, NULL, len, true);
+	if (err != OK)
+		ERR_PRINT("Failed to encode variant.");
+
+	if (len > max_size) {
+		arr.push_back(Variant());
+	} else {
+		arr.push_back(var);
+	}
+	return arr;
+}
+
+bool ScriptDebuggerRemote::ScriptStackVariable::deserialize(const Array &p_arr) {
+	CHECK_SIZE(p_arr, 3, "ScriptStackVariable");
+	name = p_arr[0];
+	type = p_arr[1];
+	value = p_arr[2];
+	CHECK_END(p_arr, 3, "ScriptStackVariable");
+	return true;
+}
+
+Array ScriptDebuggerRemote::OutputError::serialize() {
+	Array arr;
+	arr.push_back(hr);
+	arr.push_back(min);
+	arr.push_back(sec);
+	arr.push_back(msec);
+	arr.push_back(source_file);
+	arr.push_back(source_func);
+	arr.push_back(source_line);
+	arr.push_back(error);
+	arr.push_back(error_descr);
+	arr.push_back(warning);
+	unsigned int size = callstack.size();
+	const ScriptLanguage::StackInfo *r = callstack.ptr();
+	arr.push_back(size * 3);
+	for (int i = 0; i < callstack.size(); i++) {
+		arr.push_back(r[i].file);
+		arr.push_back(r[i].func);
+		arr.push_back(r[i].line);
+	}
+	return arr;
+}
+
+bool ScriptDebuggerRemote::OutputError::deserialize(const Array &p_arr) {
+	CHECK_SIZE(p_arr, 11, "OutputError");
+	hr = p_arr[0];
+	min = p_arr[1];
+	sec = p_arr[2];
+	msec = p_arr[3];
+	source_file = p_arr[4];
+	source_func = p_arr[5];
+	source_line = p_arr[6];
+	error = p_arr[7];
+	error_descr = p_arr[8];
+	warning = p_arr[9];
+	unsigned int stack_size = p_arr[10];
+	CHECK_SIZE(p_arr, stack_size, "OutputError");
+	int idx = 11;
+	callstack.resize(stack_size / 3);
+	ScriptLanguage::StackInfo *w = callstack.ptrw();
+	for (unsigned int i = 0; i < stack_size / 3; i++) {
+		w[i].file = p_arr[idx];
+		w[i].func = p_arr[idx + 1];
+		w[i].line = p_arr[idx + 2];
+		idx += 3;
+	}
+	CHECK_END(p_arr, idx, "OutputError");
+	return true;
+}
+
+Array ScriptDebuggerRemote::ResourceUsage::serialize() {
+	infos.sort();
+
+	Array arr;
+	arr.push_back(infos.size() * 4);
+	for (List<ResourceInfo>::Element *E = infos.front(); E; E = E->next()) {
+		arr.push_back(E->get().path);
+		arr.push_back(E->get().format);
+		arr.push_back(E->get().type);
+		arr.push_back(E->get().vram);
+	}
+	return arr;
+}
+
+bool ScriptDebuggerRemote::ResourceUsage::deserialize(const Array &p_arr) {
+	CHECK_SIZE(p_arr, 1, "ResourceUsage");
+	uint32_t size = p_arr[0];
+	CHECK_SIZE(p_arr, size, "ResourceUsage");
+	int idx = 1;
+	for (uint32_t i = 0; i < size / 4; i++) {
+		ResourceInfo info;
+		info.path = p_arr[idx];
+		info.format = p_arr[idx + 1];
+		info.type = p_arr[idx + 2];
+		info.vram = p_arr[idx + 3];
+		infos.push_back(info);
+	}
+	CHECK_END(p_arr, idx, "ResourceUsage");
+	return true;
+}
+
+Array ScriptDebuggerRemote::ProfilerSignature::serialize() {
+	Array arr;
+	arr.push_back(name);
+	arr.push_back(id);
+	return arr;
+}
+
+bool ScriptDebuggerRemote::ProfilerSignature::deserialize(const Array &p_arr) {
+	CHECK_SIZE(p_arr, 2, "ProfilerSignature");
+	name = p_arr[0];
+	id = p_arr[1];
+	CHECK_END(p_arr, 2, "ProfilerSignature");
+	return true;
+}
+
+Array ScriptDebuggerRemote::ProfilerFrame::serialize() {
+	Array arr;
+	arr.push_back(frame_number);
+	arr.push_back(frame_time);
+	arr.push_back(idle_time);
+	arr.push_back(physics_time);
+	arr.push_back(physics_frame_time);
+	arr.push_back(USEC_TO_SEC(script_time));
+
+	arr.push_back(frames_data.size());
+	arr.push_back(frame_functions.size() * 4);
+
+	// Servers profiling info.
+	for (int i = 0; i < frames_data.size(); i++) {
+		arr.push_back(frames_data[i].name); // Type (physics/process/audio/...)
+		arr.push_back(frames_data[i].data.size());
+		for (int j = 0; j < frames_data[i].data.size() / 2; j++) {
+			arr.push_back(frames_data[i].data[2 * j]); // NAME
+			arr.push_back(frames_data[i].data[2 * j + 1]); // TIME
+		}
+	}
+	for (int i = 0; i < frame_functions.size(); i++) {
+		arr.push_back(frame_functions[i].sig_id);
+		arr.push_back(frame_functions[i].call_count);
+		arr.push_back(frame_functions[i].self_time);
+		arr.push_back(frame_functions[i].total_time);
+	}
+	return arr;
+}
+
+bool ScriptDebuggerRemote::ProfilerFrame::deserialize(const Array &p_arr) {
+	CHECK_SIZE(p_arr, 8, "ProfilerFrame");
+	frame_number = p_arr[0];
+	frame_time = p_arr[1];
+	idle_time = p_arr[2];
+	physics_time = p_arr[3];
+	physics_frame_time = p_arr[4];
+	script_time = p_arr[5];
+	uint32_t frame_data_size = p_arr[6];
+	int frame_func_size = p_arr[7];
+	int idx = 8;
+	while (frame_data_size) {
+		CHECK_SIZE(p_arr, idx + 2, "ProfilerFrame");
+		frame_data_size--;
+		FrameData fd;
+		fd.name = p_arr[idx];
+		int sub_data_size = p_arr[idx + 1];
+		idx += 2;
+		CHECK_SIZE(p_arr, idx + sub_data_size, "ProfilerFrame");
+		for (int j = 0; j < sub_data_size / 2; j++) {
+			fd.data.push_back(p_arr[idx]); // NAME
+			fd.data.push_back(p_arr[idx + 1]); // TIME
+			idx += 2;
+		}
+		frames_data.push_back(fd);
+	}
+	CHECK_SIZE(p_arr, idx + frame_func_size, "ProfilerFrame");
+	for (int i = 0; i < frame_func_size / 4; i++) {
+		FrameFunction ff;
+		ff.sig_id = p_arr[idx];
+		ff.call_count = p_arr[idx + 1];
+		ff.self_time = p_arr[idx + 2];
+		ff.total_time = p_arr[idx + 3];
+		frame_functions.push_back(ff);
+		idx += 4;
+	}
+	CHECK_END(p_arr, idx, "ProfilerFrame");
+	return true;
+}
+
+Array ScriptDebuggerRemote::NetworkProfilerFrame::serialize() {
+	Array arr;
+	arr.push_back(infos.size() * 6);
+	for (int i = 0; i < infos.size(); ++i) {
+		arr.push_back(uint64_t(infos[i].node));
+		arr.push_back(infos[i].node_path);
+		arr.push_back(infos[i].incoming_rpc);
+		arr.push_back(infos[i].incoming_rset);
+		arr.push_back(infos[i].outgoing_rpc);
+		arr.push_back(infos[i].outgoing_rset);
+	}
+	return arr;
+}
+
+bool ScriptDebuggerRemote::NetworkProfilerFrame::deserialize(const Array &p_arr) {
+	CHECK_SIZE(p_arr, 1, "NetworkProfilerFrame");
+	uint32_t size = p_arr[0];
+	CHECK_SIZE(p_arr, size, "NetworkProfilerFrame");
+	infos.resize(size);
+	int idx = 1;
+	for (uint32_t i = 0; i < size / 6; ++i) {
+		infos.write[i].node = uint64_t(p_arr[idx]);
+		infos.write[i].node_path = p_arr[idx + 1];
+		infos.write[i].incoming_rpc = p_arr[idx + 2];
+		infos.write[i].incoming_rset = p_arr[idx + 3];
+		infos.write[i].outgoing_rpc = p_arr[idx + 4];
+		infos.write[i].outgoing_rset = p_arr[idx + 5];
+	}
+	CHECK_END(p_arr, idx, "NetworkProfilerFrame");
+	return true;
+}
+
+void ScriptDebuggerRemote::_put_msg(String p_message, Array p_data) {
+	Array msg;
+	msg.push_back(p_message);
+	msg.push_back(p_data);
+	packet_peer_stream->put_var(msg);
+}
+
+bool ScriptDebuggerRemote::is_peer_connected() {
+	return tcp_client->is_connected_to_host() && tcp_client->get_status() == StreamPeerTCP::STATUS_CONNECTED;
+}
+
+void ScriptDebuggerRemote::_send_video_memory() {
+
+	ResourceUsage usage;
+	if (resource_usage_func)
+		resource_usage_func(&usage);
+
+	_put_msg("message:video_mem", usage.serialize());
+}
+
+Error ScriptDebuggerRemote::connect_to_host(const String &p_host, uint16_t p_port) {
+
+	IP_Address ip;
+	if (p_host.is_valid_ip_address())
+		ip = p_host;
+	else
+		ip = IP::get_singleton()->resolve_hostname(p_host);
+
+	int port = p_port;
+
+	const int tries = 6;
+	int waits[tries] = { 1, 10, 100, 1000, 1000, 1000 };
+
+	tcp_client->connect_to_host(ip, port);
+
+	for (int i = 0; i < tries; i++) {
+
+		if (tcp_client->get_status() == StreamPeerTCP::STATUS_CONNECTED) {
+			print_verbose("Remote Debugger: Connected!");
+			break;
+		} else {
+
+			const int ms = waits[i];
+			OS::get_singleton()->delay_usec(ms * 1000);
+			print_verbose("Remote Debugger: Connection failed with status: '" + String::num(tcp_client->get_status()) + "', retrying in " + String::num(ms) + " msec.");
+		};
+	};
+
+	if (tcp_client->get_status() != StreamPeerTCP::STATUS_CONNECTED) {
+
+		ERR_PRINT("Remote Debugger: Unable to connect. Status: " + String::num(tcp_client->get_status()) + ".");
+		return FAILED;
+	};
+
+	packet_peer_stream->set_stream_peer(tcp_client);
+	Array msg;
+	msg.push_back(OS::get_singleton()->get_process_id());
+	send_message("set_pid", msg);
+
+	return OK;
+}
+
+void ScriptDebuggerRemote::_parse_message(const String p_command, const Array &p_data, ScriptLanguage *p_script) {
+
+	if (p_command == "request_video_mem") {
+		_send_video_memory();
+
+	} else if (p_command == "start_profiling") {
+		ERR_FAIL_COND(p_data.size() < 1);
+
+		for (int i = 0; i < ScriptServer::get_language_count(); i++) {
+			ScriptServer::get_language(i)->profiling_start();
+		}
+
+		max_frame_functions = p_data[0];
+		profiler_function_signature_map.clear();
+		profiling = true;
+		frame_time = 0;
+		idle_time = 0;
+		physics_time = 0;
+		physics_frame_time = 0;
+		print_line("PROFILING ALRIGHT!");
+
+	} else if (p_command == "stop_profiling") {
+		for (int i = 0; i < ScriptServer::get_language_count(); i++) {
+			ScriptServer::get_language(i)->profiling_stop();
+		}
+		profiling = false;
+		_send_profiling_data(false);
+		print_line("PROFILING END!");
+
+	} else if (p_command == "start_visual_profiling") {
+
+		visual_profiling = true;
+		VS::get_singleton()->set_frame_profiling_enabled(true);
+	} else if (p_command == "stop_visual_profiling") {
+
+		visual_profiling = false;
+		VS::get_singleton()->set_frame_profiling_enabled(false);
+
+	} else if (p_command == "start_network_profiling") {
+
+		network_profiling = true;
+		multiplayer->profiling_start();
+
+	} else if (p_command == "stop_network_profiling") {
+
+		network_profiling = false;
+		multiplayer->profiling_end();
+
+	} else if (p_command == "reload_scripts") {
+		reload_all_scripts = true;
+
+	} else if (p_command == "breakpoint") {
+		ERR_FAIL_COND(p_data.size() < 3);
+		bool set = p_data[2];
+		if (set)
+			insert_breakpoint(p_data[1], p_data[0]);
+		else
+			remove_breakpoint(p_data[1], p_data[0]);
+
+	} else if (p_command == "set_skip_breakpoints") {
+		ERR_FAIL_COND(p_data.size() < 1);
+		skip_breakpoints = p_data[0];
+
+	} else if (p_command == "get_stack_dump") {
+		ERR_FAIL_COND(!p_script);
+		ScriptStackDump dump;
+		int slc = p_script->debug_get_stack_level_count();
+		for (int i = 0; i < slc; i++) {
+			ScriptLanguage::StackInfo frame;
+			frame.file = p_script->debug_get_stack_level_source(i);
+			frame.line = p_script->debug_get_stack_level_line(i);
+			frame.func = p_script->debug_get_stack_level_function(i);
+			dump.frames.push_back(frame);
+		}
+		_put_msg("stack_dump", dump.serialize());
+
+	} else if (p_command == "get_stack_frame_vars") {
+		ERR_FAIL_COND(p_data.size() != 1);
+		ERR_FAIL_COND(!p_script);
+		int lv = p_data[0];
+
+		List<String> members;
+		List<Variant> member_vals;
+		if (ScriptInstance *inst = p_script->debug_get_stack_level_instance(lv)) {
+			members.push_back("self");
+			member_vals.push_back(inst->get_owner());
+		}
+		p_script->debug_get_stack_level_members(lv, &members, &member_vals);
+		ERR_FAIL_COND(members.size() != member_vals.size());
+
+		List<String> locals;
+		List<Variant> local_vals;
+		p_script->debug_get_stack_level_locals(lv, &locals, &local_vals);
+		ERR_FAIL_COND(locals.size() != local_vals.size());
+
+		List<String> globals;
+		List<Variant> globals_vals;
+		p_script->debug_get_globals(&globals, &globals_vals);
+		ERR_FAIL_COND(globals.size() != globals_vals.size());
+
+		_put_msg("stack_frame_vars", Array());
+
+		ScriptStackVariable stvar;
+		{ //locals
+			List<String>::Element *E = locals.front();
+			List<Variant>::Element *F = local_vals.front();
+			while (E) {
+				stvar.name = E->get();
+				stvar.value = F->get();
+				stvar.type = 0;
+				_put_msg("stack_frame_var", stvar.serialize());
+
+				E = E->next();
+				F = F->next();
+			}
+		}
+
+		{ //members
+			List<String>::Element *E = members.front();
+			List<Variant>::Element *F = member_vals.front();
+			while (E) {
+				stvar.name = E->get();
+				stvar.value = F->get();
+				stvar.type = 1;
+				_put_msg("stack_frame_var", stvar.serialize());
+
+				E = E->next();
+				F = F->next();
+			}
+		}
+
+		{ //globals
+			List<String>::Element *E = globals.front();
+			List<Variant>::Element *F = globals_vals.front();
+			while (E) {
+				stvar.name = E->get();
+				stvar.value = F->get();
+				stvar.type = 2;
+				_put_msg("stack_frame_var", stvar.serialize());
+
+				E = E->next();
+				F = F->next();
+			}
+		}
+
+	} else {
+		if (scene_tree_parse_func) {
+			scene_tree_parse_func(p_command, p_data);
+		}
+		// Unknown message...
+	}
+}
+
+void ScriptDebuggerRemote::debug(ScriptLanguage *p_script, bool p_can_continue, bool p_is_error_breakpoint) {
+
+	//this function is called when there is a debugger break (bug on script)
+	//or when execution is paused from editor
+
+	if (skip_breakpoints && !p_is_error_breakpoint)
+		return;
+
+	ERR_FAIL_COND_MSG(!is_peer_connected(), "Script Debugger failed to connect, but being used anyway.");
+
+	Array msg;
+	msg.push_back(p_can_continue);
+	msg.push_back(p_script->debug_get_error());
+	_put_msg("debug_enter", msg);
+
+	skip_profile_frame = true; // to avoid super long frame time for the frame
+
+	Input::MouseMode mouse_mode = Input::get_singleton()->get_mouse_mode();
+	if (mouse_mode != Input::MOUSE_MODE_VISIBLE)
+		Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_VISIBLE);
+
+	uint64_t loop_begin_usec = 0;
+	uint64_t loop_time_sec = 0;
+	while (true) {
+		loop_begin_usec = OS::get_singleton()->get_ticks_usec();
+
+		_get_output();
+
+		if (packet_peer_stream->get_available_packet_count() > 0) {
+
+			Variant var;
+			Error err = packet_peer_stream->get_var(var);
+
+			ERR_CONTINUE(err != OK);
+			ERR_CONTINUE(var.get_type() != Variant::ARRAY);
+
+			Array cmd = var;
+
+			ERR_CONTINUE(cmd.size() != 2);
+			ERR_CONTINUE(cmd[0].get_type() != Variant::STRING);
+			ERR_CONTINUE(cmd[1].get_type() != Variant::ARRAY);
+
+			String command = cmd[0];
+			Array data = cmd[1];
+			if (command == "step") {
+
+				set_depth(-1);
+				set_lines_left(1);
+				break;
+			} else if (command == "next") {
+
+				set_depth(0);
+				set_lines_left(1);
+				break;
+
+			} else if (command == "continue") {
+				set_depth(-1);
+				set_lines_left(-1);
+				OS::get_singleton()->move_window_to_foreground();
+				break;
+			} else if (command == "break") {
+				ERR_PRINT("Got break when already broke!");
+				break;
+			}
+
+			_parse_message(command, data, p_script);
+		} else {
+			OS::get_singleton()->delay_usec(10000);
+			OS::get_singleton()->process_and_drop_events();
+		}
+
+		// This is for the camera override to stay live even when the game is paused from the editor
+		loop_time_sec = (OS::get_singleton()->get_ticks_usec() - loop_begin_usec) / 1000000.0f;
+		VisualServer::get_singleton()->sync();
+		if (VisualServer::get_singleton()->has_changed()) {
+			VisualServer::get_singleton()->draw(true, loop_time_sec * Engine::get_singleton()->get_time_scale());
+		}
+	}
+
+	_put_msg("debug_exit", Array());
+
+	if (mouse_mode != Input::MOUSE_MODE_VISIBLE)
+		Input::get_singleton()->set_mouse_mode(mouse_mode);
+}
+
+void ScriptDebuggerRemote::_get_output() {
+
+	mutex->lock();
+	if (output_strings.size()) {
+
+		locking = true;
+
+		while (output_strings.size()) {
+
+			Array arr;
+			arr.push_back(output_strings.front()->get());
+			_put_msg("output", arr);
+			output_strings.pop_front();
+		}
+		locking = false;
+	}
+
+	if (n_messages_dropped > 0) {
+		Message msg;
+		msg.message = "Too many messages! " + String::num_int64(n_messages_dropped) + " messages were dropped.";
+		messages.push_back(msg);
+		n_messages_dropped = 0;
+	}
+
+	while (messages.size()) {
+		locking = true;
+		Message msg = messages.front()->get();
+		_put_msg("message:" + msg.message, msg.data);
+		messages.pop_front();
+		locking = false;
+	}
+
+	if (n_errors_dropped == 1) {
+		// Only print one message about dropping per second
+		OutputError oe;
+		oe.error = "TOO_MANY_ERRORS";
+		oe.error_descr = "Too many errors! Ignoring errors for up to 1 second.";
+		oe.warning = false;
+		uint64_t time = OS::get_singleton()->get_ticks_msec();
+		oe.hr = time / 3600000;
+		oe.min = (time / 60000) % 60;
+		oe.sec = (time / 1000) % 60;
+		oe.msec = time % 1000;
+		errors.push_back(oe);
+	}
+
+	if (n_warnings_dropped == 1) {
+		// Only print one message about dropping per second
+		OutputError oe;
+		oe.error = "TOO_MANY_WARNINGS";
+		oe.error_descr = "Too many warnings! Ignoring warnings for up to 1 second.";
+		oe.warning = true;
+		uint64_t time = OS::get_singleton()->get_ticks_msec();
+		oe.hr = time / 3600000;
+		oe.min = (time / 60000) % 60;
+		oe.sec = (time / 1000) % 60;
+		oe.msec = time % 1000;
+		errors.push_back(oe);
+	}
+
+	while (errors.size()) {
+		locking = true;
+		OutputError oe = errors.front()->get();
+		_put_msg("error", oe.serialize());
+		errors.pop_front();
+		locking = false;
+	}
+	mutex->unlock();
+}
+
+void ScriptDebuggerRemote::line_poll() {
+
+	//the purpose of this is just processing events every now and then when the script might get too busy
+	//otherwise bugs like infinite loops can't be caught
+	if (poll_every % 2048 == 0)
+		_poll_events();
+	poll_every++;
+}
+
+void ScriptDebuggerRemote::_err_handler(void *ud, const char *p_func, const char *p_file, int p_line, const char *p_err, const char *p_descr, ErrorHandlerType p_type) {
+
+	if (p_type == ERR_HANDLER_SCRIPT)
+		return; //ignore script errors, those go through debugger
+
+	Vector<ScriptLanguage::StackInfo> si;
+
+	for (int i = 0; i < ScriptServer::get_language_count(); i++) {
+		si = ScriptServer::get_language(i)->debug_get_current_stack_info();
+		if (si.size())
+			break;
+	}
+
+	ScriptDebuggerRemote *sdr = (ScriptDebuggerRemote *)ud;
+	sdr->send_error(p_func, p_file, p_line, p_err, p_descr, p_type, si);
+}
+
+void ScriptDebuggerRemote::_poll_events() {
+
+	//this si called from ::idle_poll, happens only when running the game,
+	//does not get called while on debug break
+
+	while (packet_peer_stream->get_available_packet_count() > 0) {
+
+		_get_output();
+
+		//send over output_strings
+
+		Variant var;
+		Error err = packet_peer_stream->get_var(var);
+
+		ERR_CONTINUE(err != OK);
+		ERR_CONTINUE(var.get_type() != Variant::ARRAY);
+
+		Array cmd = var;
+
+		ERR_CONTINUE(cmd.size() < 2);
+		ERR_CONTINUE(cmd[0].get_type() != Variant::STRING);
+		ERR_CONTINUE(cmd[1].get_type() != Variant::ARRAY);
+
+		String command = cmd[0];
+		Array data = cmd[1];
+
+		if (command == "break") {
+
+			if (get_break_language())
+				debug(get_break_language());
+		} else {
+			_parse_message(command, data);
+		}
+	}
+}
+
+void ScriptDebuggerRemote::_send_profiling_data(bool p_for_frame) {
+
+	int ofs = 0;
+
+	for (int i = 0; i < ScriptServer::get_language_count(); i++) {
+		if (p_for_frame)
+			ofs += ScriptServer::get_language(i)->profiling_get_frame_data(&profile_info.write[ofs], profile_info.size() - ofs);
+		else
+			ofs += ScriptServer::get_language(i)->profiling_get_accumulated_data(&profile_info.write[ofs], profile_info.size() - ofs);
+	}
+
+	for (int i = 0; i < ofs; i++) {
+		profile_info_ptrs.write[i] = &profile_info.write[i];
+	}
+
+	SortArray<ScriptLanguage::ProfilingInfo *, ProfileInfoSort> sa;
+	sa.sort(profile_info_ptrs.ptrw(), ofs);
+
+	int to_send = MIN(ofs, max_frame_functions);
+
+	//check signatures first
+	uint64_t total_script_time = 0;
+
+	for (int i = 0; i < to_send; i++) {
+
+		if (!profiler_function_signature_map.has(profile_info_ptrs[i]->signature)) {
+
+			int idx = profiler_function_signature_map.size();
+			ProfilerSignature sig;
+			sig.name = profile_info_ptrs[i]->signature;
+			sig.id = idx;
+			_put_msg("profile_sig", sig.serialize());
+			profiler_function_signature_map[profile_info_ptrs[i]->signature] = idx;
+		}
+
+		total_script_time += profile_info_ptrs[i]->self_time;
+	}
+
+	//send frames then
+	ProfilerFrame metric;
+	metric.frame_number = Engine::get_singleton()->get_frames_drawn();
+	metric.frame_time = frame_time;
+	metric.idle_time = idle_time;
+	metric.physics_time = physics_time;
+	metric.physics_frame_time = physics_frame_time;
+	metric.script_time = total_script_time;
+
+	// Add script functions information.
+	metric.frame_functions.resize(to_send);
+	FrameFunction *w = metric.frame_functions.ptrw();
+	for (int i = 0; i < to_send; i++) {
+
+		if (profiler_function_signature_map.has(profile_info_ptrs[i]->signature)) {
+			w[i].sig_id = profiler_function_signature_map[profile_info_ptrs[i]->signature];
+		}
+
+		w[i].call_count = profile_info_ptrs[i]->call_count;
+		w[i].total_time = profile_info_ptrs[i]->total_time / 1000000.0;
+		w[i].self_time = profile_info_ptrs[i]->self_time / 1000000.0;
+	}
+	if (p_for_frame) {
+		// Add profile frame data information.
+		metric.frames_data.append_array(profile_frame_data);
+		_put_msg("profile_frame", metric.serialize());
+		profile_frame_data.clear();
+	} else {
+		_put_msg("profile_total", metric.serialize());
+	}
+}
+
+void ScriptDebuggerRemote::idle_poll() {
+
+	// this function is called every frame, except when there is a debugger break (::debug() in this class)
+	// execution stops and remains in the ::debug function
+
+	_get_output();
+
+	if (requested_quit) {
+
+		_put_msg("kill_me", Array());
+		requested_quit = false;
+	}
+
+	if (performance) {
+
+		uint64_t pt = OS::get_singleton()->get_ticks_msec();
+		if (pt - last_perf_time > 1000) {
+
+			last_perf_time = pt;
+			int max = performance->get("MONITOR_MAX");
+			Array arr;
+			arr.resize(max);
+			for (int i = 0; i < max; i++) {
+				arr[i] = performance->call("get_monitor", i);
+			}
+			_put_msg("performance", arr);
+		}
+	}
+
+	if (visual_profiling) {
+		Vector<VS::FrameProfileArea> profile_areas = VS::get_singleton()->get_frame_profile();
+		if (profile_areas.size()) {
+			Vector<String> area_names;
+			Vector<real_t> area_times;
+			area_names.resize(profile_areas.size());
+			area_times.resize(profile_areas.size() * 2);
+			{
+				String *area_namesw = area_names.ptrw();
+				real_t *area_timesw = area_times.ptrw();
+
+				for (int i = 0; i < profile_areas.size(); i++) {
+					area_namesw[i] = profile_areas[i].name;
+					area_timesw[i * 2 + 0] = profile_areas[i].cpu_msec;
+					area_timesw[i * 2 + 1] = profile_areas[i].gpu_msec;
+				}
+			}
+			Array msg;
+			msg.push_back(VS::get_singleton()->get_frame_profile_frame());
+			msg.push_back(area_names);
+			msg.push_back(area_times);
+			_put_msg("visual_profile", msg);
+		}
+	}
+
+	if (profiling) {
+
+		if (skip_profile_frame) {
+			skip_profile_frame = false;
+		} else {
+			//send profiling info normally
+			_send_profiling_data(true);
+		}
+	}
+
+	if (network_profiling) {
+		uint64_t pt = OS::get_singleton()->get_ticks_msec();
+		if (pt - last_net_bandwidth_time > 200) {
+			last_net_bandwidth_time = pt;
+			_send_network_bandwidth_usage();
+		}
+		if (pt - last_net_prof_time > 100) {
+			last_net_prof_time = pt;
+			_send_network_profiling_data();
+		}
+	}
+
+	if (reload_all_scripts) {
+
+		for (int i = 0; i < ScriptServer::get_language_count(); i++) {
+			ScriptServer::get_language(i)->reload_all_scripts();
+		}
+		reload_all_scripts = false;
+	}
+
+	_poll_events();
+}
+
+void ScriptDebuggerRemote::_send_network_profiling_data() {
+	ERR_FAIL_COND(multiplayer.is_null());
+
+	int n_nodes = multiplayer->get_profiling_frame(&network_profile_info.write[0]);
+
+	NetworkProfilerFrame frame;
+	for (int i = 0; i < n_nodes; i++) {
+		frame.infos.push_back(network_profile_info[i]);
+	}
+	_put_msg("network_profile", frame.serialize());
+}
+
+void ScriptDebuggerRemote::_send_network_bandwidth_usage() {
+	ERR_FAIL_COND(multiplayer.is_null());
+
+	int incoming_bandwidth = multiplayer->get_incoming_bandwidth_usage();
+	int outgoing_bandwidth = multiplayer->get_outgoing_bandwidth_usage();
+
+	Array arr;
+	arr.push_back(incoming_bandwidth);
+	arr.push_back(outgoing_bandwidth);
+	_put_msg("network_bandwidth", arr);
+}
+
+void ScriptDebuggerRemote::send_message(const String &p_message, const Array &p_args) {
+
+	mutex->lock();
+	if (!locking && is_peer_connected()) {
+
+		if (messages.size() >= max_messages_per_frame) {
+			n_messages_dropped++;
+		} else {
+			Message msg;
+			msg.message = p_message;
+			msg.data = p_args;
+			messages.push_back(msg);
+		}
+	}
+	mutex->unlock();
+}
+
+void ScriptDebuggerRemote::send_error(const String &p_func, const String &p_file, int p_line, const String &p_err, const String &p_descr, ErrorHandlerType p_type, const Vector<ScriptLanguage::StackInfo> &p_stack_info) {
+
+	OutputError oe;
+	oe.error = p_err;
+	oe.error_descr = p_descr;
+	oe.source_file = p_file;
+	oe.source_line = p_line;
+	oe.source_func = p_func;
+	oe.warning = p_type == ERR_HANDLER_WARNING;
+	uint64_t time = OS::get_singleton()->get_ticks_msec();
+	oe.hr = time / 3600000;
+	oe.min = (time / 60000) % 60;
+	oe.sec = (time / 1000) % 60;
+	oe.msec = time % 1000;
+	Array cstack;
+
+	uint64_t ticks = OS::get_singleton()->get_ticks_usec() / 1000;
+	msec_count += ticks - last_msec;
+	last_msec = ticks;
+
+	if (msec_count > 1000) {
+		msec_count = 0;
+
+		err_count = 0;
+		n_errors_dropped = 0;
+		warn_count = 0;
+		n_warnings_dropped = 0;
+	}
+
+	cstack.resize(p_stack_info.size() * 3);
+	for (int i = 0; i < p_stack_info.size(); i++) {
+		cstack[i * 3 + 0] = p_stack_info[i].file;
+		cstack[i * 3 + 1] = p_stack_info[i].func;
+		cstack[i * 3 + 2] = p_stack_info[i].line;
+	}
+
+	//oe.callstack = cstack;
+	if (oe.warning) {
+		warn_count++;
+	} else {
+		err_count++;
+	}
+
+	mutex->lock();
+
+	if (!locking && is_peer_connected()) {
+
+		if (oe.warning) {
+			if (warn_count > max_warnings_per_second) {
+				n_warnings_dropped++;
+			} else {
+				errors.push_back(oe);
+			}
+		} else {
+			if (err_count > max_errors_per_second) {
+				n_errors_dropped++;
+			} else {
+				errors.push_back(oe);
+			}
+		}
+	}
+
+	mutex->unlock();
+}
+
+void ScriptDebuggerRemote::_print_handler(void *p_this, const String &p_string, bool p_error) {
+
+	ScriptDebuggerRemote *sdr = (ScriptDebuggerRemote *)p_this;
+
+	uint64_t ticks = OS::get_singleton()->get_ticks_usec() / 1000;
+	sdr->msec_count += ticks - sdr->last_msec;
+	sdr->last_msec = ticks;
+
+	if (sdr->msec_count > 1000) {
+		sdr->char_count = 0;
+		sdr->msec_count = 0;
+	}
+
+	String s = p_string;
+	int allowed_chars = MIN(MAX(sdr->max_cps - sdr->char_count, 0), s.length());
+
+	if (allowed_chars == 0)
+		return;
+
+	if (allowed_chars < s.length()) {
+		s = s.substr(0, allowed_chars);
+	}
+
+	sdr->char_count += allowed_chars;
+	bool overflowed = sdr->char_count >= sdr->max_cps;
+
+	sdr->mutex->lock();
+	if (!sdr->locking && sdr->is_peer_connected()) {
+
+		if (overflowed)
+			s += "[...]";
+
+		sdr->output_strings.push_back(s);
+
+		if (overflowed) {
+			sdr->output_strings.push_back("[output overflow, print less text!]");
+		}
+	}
+	sdr->mutex->unlock();
+}
+
+void ScriptDebuggerRemote::request_quit() {
+
+	requested_quit = true;
+}
+
+void ScriptDebuggerRemote::set_multiplayer(Ref<MultiplayerAPI> p_multiplayer) {
+	multiplayer = p_multiplayer;
+}
+
+bool ScriptDebuggerRemote::is_profiling() const {
+
+	return profiling;
+}
+void ScriptDebuggerRemote::add_profiling_frame_data(const StringName &p_name, const Array &p_data) {
+
+	int idx = -1;
+	for (int i = 0; i < profile_frame_data.size(); i++) {
+		if (profile_frame_data[i].name == p_name) {
+			idx = i;
+			break;
+		}
+	}
+
+	FrameData fd;
+	fd.name = p_name;
+	fd.data = p_data;
+
+	if (idx == -1) {
+		profile_frame_data.push_back(fd);
+	} else {
+		profile_frame_data.write[idx] = fd;
+	}
+}
+
+void ScriptDebuggerRemote::profiling_start() {
+	//ignores this, uses it via connection
+}
+
+void ScriptDebuggerRemote::profiling_end() {
+	//ignores this, uses it via connection
+}
+
+void ScriptDebuggerRemote::profiling_set_frame_times(float p_frame_time, float p_idle_time, float p_physics_time, float p_physics_frame_time) {
+
+	frame_time = p_frame_time;
+	idle_time = p_idle_time;
+	physics_time = p_physics_time;
+	physics_frame_time = p_physics_frame_time;
+}
+
+void ScriptDebuggerRemote::set_skip_breakpoints(bool p_skip_breakpoints) {
+	skip_breakpoints = p_skip_breakpoints;
+}
+
+ScriptDebuggerRemote::ResourceUsageFunc ScriptDebuggerRemote::resource_usage_func = NULL;
+ScriptDebuggerRemote::ParseMessageFunc ScriptDebuggerRemote::scene_tree_parse_func = NULL;
+
+ScriptDebuggerRemote::ScriptDebuggerRemote() :
+		profiling(false),
+		visual_profiling(false),
+		network_profiling(false),
+		max_frame_functions(16),
+		skip_profile_frame(false),
+		reload_all_scripts(false),
+		tcp_client(Ref<StreamPeerTCP>(memnew(StreamPeerTCP))),
+		packet_peer_stream(Ref<PacketPeerStream>(memnew(PacketPeerStream))),
+		last_perf_time(0),
+		last_net_prof_time(0),
+		last_net_bandwidth_time(0),
+		performance(Engine::get_singleton()->get_singleton_object("Performance")),
+		requested_quit(false),
+		mutex(Mutex::create()),
+		max_messages_per_frame(GLOBAL_GET("network/limits/debugger_stdout/max_messages_per_frame")),
+		n_messages_dropped(0),
+		max_errors_per_second(GLOBAL_GET("network/limits/debugger_stdout/max_errors_per_second")),
+		max_warnings_per_second(GLOBAL_GET("network/limits/debugger_stdout/max_warnings_per_second")),
+		n_errors_dropped(0),
+		max_cps(GLOBAL_GET("network/limits/debugger_stdout/max_chars_per_second")),
+		char_count(0),
+		err_count(0),
+		warn_count(0),
+		last_msec(0),
+		msec_count(0),
+		locking(false),
+		poll_every(0) {
+
+	packet_peer_stream->set_stream_peer(tcp_client);
+	packet_peer_stream->set_output_buffer_max_size((1024 * 1024 * 8) - 4); // 8 MiB should be way more than enough, minus 4 bytes for separator.
+
+	phl.printfunc = _print_handler;
+	phl.userdata = this;
+	add_print_handler(&phl);
+
+	eh.errfunc = _err_handler;
+	eh.userdata = this;
+	add_error_handler(&eh);
+
+	profile_info.resize(GLOBAL_GET("debug/settings/profiler/max_functions"));
+	network_profile_info.resize(GLOBAL_GET("debug/settings/profiler/max_functions"));
+	profile_info_ptrs.resize(profile_info.size());
+}
+
+ScriptDebuggerRemote::~ScriptDebuggerRemote() {
+
+	remove_print_handler(&phl);
+	remove_error_handler(&eh);
+	memdelete(mutex);
+}
diff --git a/core/script_debugger_remote.h b/core/script_debugger_remote.h
new file mode 100644
index 0000000000..682da1d276
--- /dev/null
+++ b/core/script_debugger_remote.h
@@ -0,0 +1,316 @@
+/*************************************************************************/
+/*  script_debugger_remote.h                                             */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef SCRIPT_DEBUGGER_REMOTE_H
+#define SCRIPT_DEBUGGER_REMOTE_H
+
+#include "core/io/packet_peer.h"
+#include "core/io/stream_peer_tcp.h"
+#include "core/list.h"
+#include "core/os/os.h"
+#include "core/script_language.h"
+
+class ScriptDebuggerRemote : public ScriptDebugger {
+
+public:
+	class ResourceInfo {
+	public:
+		String path;
+		String format;
+		String type;
+		RID id;
+		int vram;
+		bool operator<(const ResourceInfo &p_img) const { return vram == p_img.vram ? id < p_img.id : vram > p_img.vram; }
+		ResourceInfo() {
+			vram = 0;
+		}
+	};
+
+	class ResourceUsage {
+	public:
+		List<ResourceInfo> infos;
+
+		Array serialize();
+		bool deserialize(const Array &p_arr);
+	};
+
+	class FrameInfo {
+	public:
+		StringName name;
+		float self_time;
+		float total_time;
+
+		FrameInfo() {
+			self_time = 0;
+			total_time = 0;
+		}
+	};
+
+	class FrameFunction {
+	public:
+		int sig_id;
+		int call_count;
+		StringName name;
+		float self_time;
+		float total_time;
+
+		FrameFunction() {
+			sig_id = -1;
+			call_count = 0;
+			self_time = 0;
+			total_time = 0;
+		}
+	};
+
+	class ScriptStackVariable {
+	public:
+		String name;
+		Variant value;
+		int type;
+		ScriptStackVariable() {
+			type = -1;
+		}
+
+		Array serialize(int max_size = 1 << 20); // 1 MiB default.
+		bool deserialize(const Array &p_arr);
+	};
+
+	class ScriptStackDump {
+	public:
+		List<ScriptLanguage::StackInfo> frames;
+		ScriptStackDump() {}
+
+		Array serialize();
+		bool deserialize(const Array &p_arr);
+	};
+
+	class Message {
+
+	public:
+		String message;
+		Array data;
+
+		Message() {}
+	};
+
+	class OutputError {
+	public:
+		int hr;
+		int min;
+		int sec;
+		int msec;
+		String source_file;
+		String source_func;
+		int source_line;
+		String error;
+		String error_descr;
+		bool warning;
+		Vector<ScriptLanguage::StackInfo> callstack;
+
+		OutputError() {
+			hr = -1;
+			min = -1;
+			sec = -1;
+			msec = -1;
+			source_line = -1;
+			warning = false;
+		}
+
+		Array serialize();
+		bool deserialize(const Array &p_arr);
+	};
+
+	struct FrameData {
+
+		StringName name;
+		Array data;
+	};
+
+	class ProfilerSignature {
+	public:
+		StringName name;
+		int id;
+
+		Array serialize();
+		bool deserialize(const Array &p_arr);
+
+		ProfilerSignature() {
+			id = -1;
+		};
+	};
+
+	class ProfilerFrame {
+	public:
+		int frame_number;
+		float frame_time;
+		float idle_time;
+		float physics_time;
+		float physics_frame_time;
+		float script_time;
+
+		Vector<FrameData> frames_data;
+		Vector<FrameFunction> frame_functions;
+
+		ProfilerFrame() {
+			frame_number = 0;
+			frame_time = 0;
+			idle_time = 0;
+			physics_time = 0;
+			physics_frame_time = 0;
+		}
+
+		Array serialize();
+		bool deserialize(const Array &p_arr);
+	};
+
+	class NetworkProfilerFrame {
+	public:
+		Vector<MultiplayerAPI::ProfilingInfo> infos;
+
+		Array serialize();
+		bool deserialize(const Array &p_arr);
+
+		NetworkProfilerFrame(){};
+	};
+
+protected:
+	struct ProfileInfoSort {
+
+		bool operator()(ScriptLanguage::ProfilingInfo *A, ScriptLanguage::ProfilingInfo *B) const {
+			return A->total_time < B->total_time;
+		}
+	};
+
+	Vector<ScriptLanguage::ProfilingInfo> profile_info;
+	Vector<ScriptLanguage::ProfilingInfo *> profile_info_ptrs;
+	Vector<MultiplayerAPI::ProfilingInfo> network_profile_info;
+
+	Map<StringName, int> profiler_function_signature_map;
+	float frame_time, idle_time, physics_time, physics_frame_time;
+
+	bool profiling;
+	bool visual_profiling;
+	bool network_profiling;
+	int max_frame_functions;
+	bool skip_profile_frame;
+	bool reload_all_scripts;
+
+	Ref<StreamPeerTCP> tcp_client;
+	Ref<PacketPeerStream> packet_peer_stream;
+
+	uint64_t last_perf_time;
+	uint64_t last_net_prof_time;
+	uint64_t last_net_bandwidth_time;
+	Object *performance;
+	bool requested_quit;
+	Mutex *mutex;
+
+	List<String> output_strings;
+	List<Message> messages;
+	int max_messages_per_frame;
+	int n_messages_dropped;
+	List<OutputError> errors;
+	int max_errors_per_second;
+	int max_warnings_per_second;
+	int n_errors_dropped;
+	int n_warnings_dropped;
+
+	int max_cps;
+	int char_count;
+	int err_count;
+	int warn_count;
+	uint64_t last_msec;
+	uint64_t msec_count;
+
+	bool locking; //hack to avoid a deadloop
+	static void _print_handler(void *p_this, const String &p_string, bool p_error);
+
+	PrintHandlerList phl;
+
+	void _get_output();
+	void _poll_events();
+	uint32_t poll_every;
+
+	void _parse_message(const String p_command, const Array &p_data, ScriptLanguage *p_script = NULL);
+
+	void _set_object_property(ObjectID p_id, const String &p_property, const Variant &p_value);
+
+	void _send_object_id(ObjectID p_id);
+	void _send_video_memory();
+
+	Ref<MultiplayerAPI> multiplayer;
+
+	ErrorHandlerList eh;
+	static void _err_handler(void *, const char *, const char *, int p_line, const char *, const char *, ErrorHandlerType p_type);
+
+	void _put_msg(String p_message, Array p_data);
+	void _send_profiling_data(bool p_for_frame);
+	void _send_network_profiling_data();
+	void _send_network_bandwidth_usage();
+
+	Vector<FrameData> profile_frame_data;
+
+	bool skip_breakpoints;
+
+public:
+	typedef void (*ResourceUsageFunc)(ResourceUsage *);
+	typedef Error (*ParseMessageFunc)(const String &p_name, const Array &p_msg); // Returns true if something was found (stopping propagation).
+
+	static ResourceUsageFunc resource_usage_func;
+	static ParseMessageFunc scene_tree_parse_func; // Could be made into list, extensible...
+
+	Error connect_to_host(const String &p_host, uint16_t p_port);
+	bool is_peer_connected();
+	virtual void debug(ScriptLanguage *p_script, bool p_can_continue = true, bool p_is_error_breakpoint = false);
+	virtual void idle_poll();
+	virtual void line_poll();
+
+	virtual bool is_remote() const { return true; }
+	virtual void request_quit();
+
+	virtual void send_message(const String &p_message, const Array &p_args);
+	virtual void send_error(const String &p_func, const String &p_file, int p_line, const String &p_err, const String &p_descr, ErrorHandlerType p_type, const Vector<ScriptLanguage::StackInfo> &p_stack_info);
+
+	virtual void set_multiplayer(Ref<MultiplayerAPI> p_multiplayer);
+
+	virtual bool is_profiling() const;
+	virtual void add_profiling_frame_data(const StringName &p_name, const Array &p_data);
+
+	virtual void profiling_start();
+	virtual void profiling_end();
+	virtual void profiling_set_frame_times(float p_frame_time, float p_idle_time, float p_physics_time, float p_physics_frame_time);
+
+	virtual void set_skip_breakpoints(bool p_skip_breakpoints);
+
+	ScriptDebuggerRemote();
+	~ScriptDebuggerRemote();
+};
+
+#endif // SCRIPT_DEBUGGER_REMOTE_H