mirror of
https://github.com/MaSzyna-EU07/maszyna.git
synced 2026-10-18 12:39:18 +02:00
Until now the server ran the physics of everything and a client re-ran it from the server's frame times, corrected a few times a second. That is the worst of both: the client's own train never moved smoothly, its controls answered a round trip late, and the two copies still sat metres apart between corrections. Simulation authority now follows the train: - the first person aboard a train runs its physics on their own machine, and what they produce is what the rest of the session is told about it. A train with nobody in it belongs to the host. Every peer works the owner out the same way, from the crew of its lowest numbered car, so nobody has to be told - a peer never applies corrections to a train it runs itself. Its own physics is the authority on it, and overwriting that is precisely what made the owner's ride stutter - a client publishes the state of its own trains upstream, ten times a second. The server takes it, filtered so a peer can only move the trains it is entitled to move, and passes it on to everybody else in its own stream - so the picture is: your train is smooth for you and may stutter for the others; their trains may stutter for you and are smooth for them Two things follow from it: - commands for the train you run take effect the moment you press the key instead of after a trip to the server and back. They are still sent, so everybody else sees them, and the echo is dropped when it returns - the client no longer replays the server's frame times out of a jitter buffer. It runs on its own clock, like the host does, and simply carries out the commands as they arrive. Playing back somebody else's frame times meant the world ran at the wrong speed whenever the two machines drew at different rates, and every buffered frame sat between the player and their controls Also: the server only sends a frame when it has commands in it, or every tenth one to carry the tick, instead of one per rendered frame.
293 lines
7.2 KiB
C++
293 lines
7.2 KiB
C++
/*
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This Source Code Form is subject to the
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terms of the Mozilla Public License, v.
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2.0. If a copy of the MPL was not
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distributed with this file, You can
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obtain one at
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http://mozilla.org/MPL/2.0/.
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*/
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#include "stdafx.h"
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#include "application/driveruilayer.h"
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#include "utilities/Globals.h"
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#include "application/application.h"
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#include "utilities/translation.h"
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#include "simulation/simulation.h"
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#include "vehicle/Train.h"
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#include "model/AnimModel.h"
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#include "rendering/renderer.h"
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driver_ui::driver_ui()
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{
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clear_panels();
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// bind the panels with ui object. maybe not the best place for this but, eh
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add_external_panel(&m_aidpanel);
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add_external_panel(&m_scenariopanel);
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add_external_panel(&m_timetablepanel);
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add_external_panel(&m_debugpanel);
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if (Global.gui_showtranscripts)
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add_external_panel(&m_transcriptspanel);
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add_external_panel(&m_trainingcardpanel);
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add_external_panel(&m_vehiclelist);
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add_external_panel(&m_timepanel);
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add_external_panel(&m_mappanel);
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add_external_panel(&m_logpanel);
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add_external_panel(&m_perfgraphpanel);
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add_external_panel(&m_cameraviewpanel);
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add_external_panel(&m_multiplayerlobby);
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m_logpanel.is_open = false;
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m_aidpanel.title = STR("Driving Aid");
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m_scenariopanel.title = STR("Scenario");
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m_scenariopanel.size_min = {435, 85};
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m_scenariopanel.size_max = {Global.fb_size.x * 0.95f, Global.fb_size.y * 0.95};
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m_timetablepanel.title = STR("%-*.*s Time: %d:%02d:%02d");
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m_timetablepanel.size_min = {435, 70};
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m_timetablepanel.size_max = {435, Global.fb_size.y * 0.95};
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m_transcriptspanel.title = STR("Transcripts");
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m_transcriptspanel.size_min = {435, 85};
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m_transcriptspanel.size_max = {Global.fb_size.x * 0.95, Global.fb_size.y * 0.95};
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m_multiplayerlobby.title = STR("Multiplayer lobby");
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m_multiplayerlobby.size_min = {560, 320};
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m_multiplayerlobby.size_max = {Global.fb_size.x * 0.95f, Global.fb_size.y * 0.95f};
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if (Global.gui_defaultwindows)
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{
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m_aidpanel.is_open = true;
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m_scenariopanel.is_open = true;
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}
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if (Global.gui_trainingdefault)
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{
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m_mappanel.is_open = true;
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m_trainingcardpanel.is_open = true;
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m_vehiclelist.is_open = true;
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}
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}
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void driver_ui::render_menu_contents()
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{
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ui_layer::render_menu_contents();
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if (ImGui::BeginMenu(STR_C("Mode windows")))
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{
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ImGui::MenuItem(m_aidpanel.title.c_str(), "F1", &m_aidpanel.is_open);
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ImGui::MenuItem(m_scenariopanel.title.c_str(), "F1", &m_aidpanel.is_open);
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ImGui::MenuItem(STR_C("Timetable"), "F2", &m_timetablepanel.is_open);
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ImGui::MenuItem(m_debugpanel.name().c_str(), "F12", &m_debugpanel.is_open);
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ImGui::MenuItem(m_mappanel.name().c_str(), "Tab", &m_mappanel.is_open);
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ImGui::MenuItem(m_vehiclelist.name().c_str(), nullptr, &m_vehiclelist.is_open);
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ImGui::MenuItem(m_trainingcardpanel.name().c_str(), nullptr, &m_trainingcardpanel.is_open);
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ImGui::MenuItem(m_cameraviewpanel.name().c_str(), nullptr, &m_cameraviewpanel.is_open);
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if (DebugModeFlag)
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ImGui::MenuItem(m_perfgraphpanel.name().c_str(), nullptr, &m_perfgraphpanel.is_open);
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if (ImGui::MenuItem(m_timepanel.name().c_str()))
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m_timepanel.open();
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if (Application.is_server() || Application.is_client())
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ImGui::MenuItem(m_multiplayerlobby.name().c_str(), nullptr, &m_multiplayerlobby.is_open);
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ImGui::EndMenu();
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}
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}
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void driver_ui::show_multiplayer_lobby(bool const Show)
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{
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m_multiplayerlobby.is_open = Show;
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}
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void driver_ui::showDebugUI()
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{
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m_debugpanel.is_open = !m_debugpanel.is_open;
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}
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// potentially processes provided input key. returns: true if key was processed, false otherwise
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bool driver_ui::on_key(int const Key, int const Action)
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{
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if (ui_layer::on_key(Key, Action))
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return true;
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switch (Key)
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{
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case GLFW_KEY_TAB:
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case GLFW_KEY_F1:
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case GLFW_KEY_F2:
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case GLFW_KEY_F3:
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case GLFW_KEY_F10:
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case GLFW_KEY_F12:
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{ // ui mode selectors
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if (true == Global.ctrlState || true == Global.shiftState)
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{
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// only react to keys without modifiers
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return false;
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}
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if (Action != GLFW_PRESS)
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{
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return true;
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} // recognized, but ignored
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}
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default:
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{ // everything else
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break;
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}
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}
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switch (Key)
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{
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case GLFW_KEY_TAB:
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{
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m_mappanel.is_open = !m_mappanel.is_open;
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return true;
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}
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case GLFW_KEY_F1:
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{
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// basic consist info
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auto state = m_aidpanel.is_open == false ? 0 : m_aidpanel.is_expanded == false ? 1 : 2;
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state = clamp_circular(++state, 3);
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m_aidpanel.is_open = state > 0;
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m_aidpanel.is_expanded = state > 1;
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return true;
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}
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case GLFW_KEY_F2:
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{
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// timetable
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auto state = m_timetablepanel.is_open == false ? 0 : m_timetablepanel.is_expanded == false ? 1 : 2;
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state = clamp_circular(++state, 3);
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m_timetablepanel.is_open = state > 0;
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m_timetablepanel.is_expanded = state > 1;
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return true;
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}
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case GLFW_KEY_F3:
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{
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// debug panel
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m_scenariopanel.is_open = !m_scenariopanel.is_open;
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return true;
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}
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case GLFW_KEY_F12:
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{
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// debug panel
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if (Global.shiftState)
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{
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m_debugpanel.is_open = !m_debugpanel.is_open;
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return true;
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}
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}
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default:
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{
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break;
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}
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}
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return false;
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}
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// potentially processes provided mouse movement. returns: true if the input was processed, false otherwise
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bool driver_ui::on_cursor_pos(double const Horizontal, double const Vertical)
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{
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// intercept mouse movement when the pause window is on
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return m_paused;
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}
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// potentially processes provided mouse button. returns: true if the input was processed, false otherwise
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bool driver_ui::on_mouse_button(int const Button, int const Action)
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{
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// intercept mouse movement when the pause window is on
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return m_paused;
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}
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// updates state of UI elements
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void driver_ui::update()
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{
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auto const pausemask{1 | 2};
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auto ispaused{false == DebugModeFlag && (Global.iPause & pausemask) != 0};
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if (ispaused != m_paused && false == Global.ControlPicking)
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{
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set_cursor(ispaused);
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}
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m_paused = ispaused;
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ui_layer::update();
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}
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void driver_ui::set_cursor(bool const Visible)
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{
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if (Visible)
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{
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Application.set_cursor(GLFW_CURSOR_NORMAL);
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Application.set_cursor_pos(Global.window_size.x / 2, Global.window_size.y / 2);
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}
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else
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{
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Application.set_cursor(GLFW_CURSOR_DISABLED);
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Application.set_cursor_pos(0, 0);
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}
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}
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// render() subclass details
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void driver_ui::render_()
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{
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const std::string *rec_name = m_trainingcardpanel.is_recording();
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if (rec_name && m_cameraviewpanel.set_state(true))
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{
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m_cameraviewpanel.rec_name = *rec_name;
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m_cameraviewpanel.is_open = true;
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}
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else if (!rec_name)
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m_cameraviewpanel.set_state(false);
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// pause/quit modal
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auto const popupheader{STR_C("Simulation Paused")};
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ImGui::SetNextWindowSize(ImVec2(-1, -1));
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if (ImGui::BeginPopupModal(popupheader, nullptr, 0))
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{
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if (ImGui::Button(STR_C("Resume"), ImVec2(150, 0)) || ImGui::IsKeyReleased(ImGui::GetKeyIndex(ImGuiKey_Escape)))
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{
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m_relay.post(user_command::pausetoggle, 0.0, 0.0, GLFW_RELEASE, 0);
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}
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if (ImGui::Button(STR_C("Quit"), ImVec2(150, 0)))
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{
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Application.queue_quit(false);
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}
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if (!m_paused)
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ImGui::CloseCurrentPopup();
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ImGui::EndPopup();
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}
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else if (m_paused)
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{
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ImGui::OpenPopup(popupheader);
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}
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if (Global.network_position_error > 0.5f)
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{
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ImGui::SetNextWindowSize(ImVec2(-1, -1));
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if (ImGui::Begin("network", nullptr, ImGuiWindowFlags_NoCollapse))
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ImGui::Text("%.1f m behind the server (tick %llu)", Global.network_position_error, (unsigned long long)Global.simulation_tick);
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ImGui::End();
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}
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}
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