openrw/rwgame/RWGame.cpp

#include "RWGame.hpp"
#include "DrawUI.hpp"
#include "State.hpp"
#include "states/BenchmarkState.hpp"
#include "states/IngameState.hpp"
#include "states/LoadingState.hpp"
#include "states/MenuState.hpp"

#include <core/Profiler.hpp>
#include <core/Logger.hpp>

#include <engine/GameState.hpp>
#include <engine/GameWorld.hpp>
#include <engine/SaveGame.hpp>
#include <objects/GameObject.hpp>
#include <render/DebugDraw.hpp>
#include <render/GameRenderer.hpp>

#include <script/ScriptMachine.hpp>
#include <script/modules/GTA3Module.hpp>

#include <ai/PlayerController.hpp>
#include <data/CutsceneData.hpp>
#include <objects/CharacterObject.hpp>
#include <objects/VehicleObject.hpp>

#include <boost/algorithm/string/predicate.hpp>
#include <boost/program_options.hpp>
#include <functional>

#include "GitSHA1.h"

// Use first 8 chars of git hash as the build string
const std::string kBuildStr(kGitSHA1Hash, 8);
const std::string kWindowTitle = "RWGame";

std::map<GameRenderer::SpecialModel, std::string> kSpecialModels = {
    {GameRenderer::ZoneCylinderA, "zonecyla.dff"},
    {GameRenderer::ZoneCylinderB, "zonecylb.dff"},
    {GameRenderer::Arrow, "arrow.dff"}};

#define MOUSE_SENSITIVITY_SCALE 2.5f

DebugDraw* debug = nullptr;

RWGame::RWGame(Logger& log, int argc, char* argv[]) : log(log) {
    if (!config.isValid()) {
        throw std::runtime_error("Invalid configuration file at: " +
                                 config.getConfigFile());
    }

    size_t w = GAME_WINDOW_WIDTH, h = GAME_WINDOW_HEIGHT;
    bool fullscreen = false;
    bool newgame = false;
    bool test = false;
    bool help = false;
    std::string startSave;
    std::string benchFile;

    // Define and parse command line options
    namespace po = boost::program_options;
    po::options_description desc("Available options");
    desc.add_options()("help", "Show this help message")(
        "width,w", po::value<size_t>(), "Game resolution width in pixel")(
        "height,h", po::value<size_t>(), "Game resolution height in pixel")(
        "fullscreen,f", "Enable fullscreen mode")("newgame,n",
                                                  "Directly start a new game")(
        "test,t", "Starts a new game in a test location")(
        "load,l", po::value<std::string>(), "Load save file")(
        "benchmark,b", po::value<std::string>(), "Run benchmark from file");

    po::variables_map vm;
    try {
        po::store(po::parse_command_line(argc, argv, desc), vm);
        po::notify(vm);
    } catch (po::error& ex) {
        help = true;
        std::cout << "Error parsing arguments: " << ex.what() << std::endl;
    }

    if (help || vm.count("help")) {
        std::cout << desc;
        throw std::invalid_argument("");
    }
    if (vm.count("width")) {
        w = vm["width"].as<size_t>();
    }
    if (vm.count("height")) {
        h = vm["height"].as<size_t>();
    }
    if (vm.count("fullscreen")) {
        fullscreen = true;
    }
    if (vm.count("newgame")) {
        newgame = true;
    }
    if (vm.count("test")) {
        test = true;
    }
    if (vm.count("load")) {
        startSave = vm["load"].as<std::string>();
    }
    if (vm.count("benchmark")) {
        benchFile = vm["benchmark"].as<std::string>();
    }

    if (SDL_Init(SDL_INIT_VIDEO) < 0)
        throw std::runtime_error("Failed to initialize SDL2!");

    window = new GameWindow();
    window->create(kWindowTitle + " [" + kBuildStr + "]", w, h, fullscreen);

    work = new WorkContext();

    log.info("Game", "Game directory: " + config.getGameDataPath());
    log.info("Game", "Build: " + kBuildStr);

    if (!GameData::isValidGameDirectory(config.getGameDataPath())) {
        throw std::runtime_error("Invalid game directory path: " +
                                 config.getGameDataPath());
    }

    data = new GameData(&log, work, config.getGameDataPath());

    data->load();

    // Initialize renderer
    renderer = new GameRenderer(&log, data);

    for (const auto& p : kSpecialModels) {
        auto model = data->loadClump(p.second);
        renderer->setSpecialModel(p.first, model);
    }

    // Set up text renderer
    renderer->text.setFontTexture(0, "pager");
    renderer->text.setFontTexture(1, "font1");
    renderer->text.setFontTexture(2, "font2");

    debug = new DebugDraw;
    debug->setDebugMode(btIDebugDraw::DBG_DrawWireframe |
                        btIDebugDraw::DBG_DrawConstraints |
                        btIDebugDraw::DBG_DrawConstraintLimits);
    debug->setShaderProgram(renderer->worldProg);

    data->loadDynamicObjects(config.getGameDataPath() + "/data/object.dat");

    data->loadGXT("text/" + config.getGameLanguage() + ".gxt");

    getRenderer()->water.setWaterTable(data->waterHeights, 48, data->realWater,
                                       128 * 128);

    for (int m = 0; m < MAP_BLOCK_SIZE; ++m) {
        std::string num = (m < 10 ? "0" : "");
        std::string name = "radar" + num + std::to_string(m);
        data->loadTXD(name + ".txd");
    }

    auto loading = new LoadingState(this);
    if (!benchFile.empty()) {
        loading->setNextState(new BenchmarkState(this, benchFile));
    } else if (test) {
        loading->setNextState(new IngameState(this, true, "test"));
    } else if (newgame) {
        loading->setNextState(new IngameState(this, true));
    } else if (!startSave.empty()) {
        loading->setNextState(new IngameState(this, true, startSave));
    } else {
        loading->setNextState(new MenuState(this));
    }

    StateManager::get().enter(loading);

    log.info("Game", "Started");
}

RWGame::~RWGame() {
    log.info("Game", "Beginning cleanup");

    log.info("Game", "Stopping work queue");
    work->stop();

    log.info("Game", "Cleaning up scripts");
    delete script;

    log.info("Game", "Cleaning up renderer");
    delete renderer;

    log.info("Game", "Cleaning up world");
    delete world;

    log.info("Game", "Cleaning up state");
    delete state;

    log.info("Game", "Cleaning up window");
    delete window;

    log.info("Game", "Cleaning up work queue");
    delete work;

    SDL_Quit();

    log.info("Game", "Done cleaning up");
}

void RWGame::newGame() {
    if (state != nullptr) {
        log.error("Game", "Cannot start a new game: game is already running.");
        return;
    }

    state = new GameState();
    world = new GameWorld(&log, work, data);
    world->dynamicsWorld->setDebugDrawer(debug);

    // Associate the new world with the new state and vice versa
    state->world = world;
    world->state = state;

    for (std::map<std::string, std::string>::iterator it =
             world->data->iplLocations.begin();
         it != world->data->iplLocations.end(); ++it) {
        world->data->loadZone(it->second);
        world->placeItems(it->second);
    }
}

void RWGame::saveGame(const std::string& savename) {
    RW_UNUSED(savename);
}

void RWGame::loadGame(const std::string& savename) {
    delete state->world;
    delete state->script;
    state = nullptr;

    log.info("Game", "Loading game " + savename);

    newGame();

    startScript("data/main.scm");

    if (!SaveGame::loadGame(*state, savename)) {
        log.error("Game", "Failed to load game");
    }
}

void RWGame::startScript(const std::string& name) {
    SCMFile* f = world->data->loadSCM(name);
    if (f) {
        if (script) delete script;

        SCMOpcodes* opcodes = new SCMOpcodes;
        opcodes->modules.push_back(new GTA3Module);

        script = new ScriptMachine(state, f, opcodes);

        state->script = script;
    } else {
        log.error("Game", "Failed to load SCM: " + name);
    }
}

PlayerController* RWGame::getPlayer() {
    auto object = world->pedestrianPool.find(state->playerObject);
    if (object) {
        auto controller = static_cast<CharacterObject*>(object)->controller;
        return static_cast<PlayerController*>(controller);
    }
    return nullptr;
}

// Modifiers for GTA3 we try to recreate
#define RW_GAME_VERSION 1100
#define RW_GAME_GTA3_GERMAN 0
#define RW_GAME_GTA3_ANNIVERSARY 0

void RWGame::handleCheatInput(char symbol) {
    cheatInputWindow = cheatInputWindow.substr(1) + symbol;

    // Helper to check for cheats
    auto checkForCheat = [this](std::string cheat,
                                std::function<void()> action) {
        RW_CHECK(cheatInputWindow.length() >= cheat.length(), "Cheat too long");
        size_t offset = cheatInputWindow.length() - cheat.length();
        if (cheat == cheatInputWindow.substr(offset)) {
            log.info("Game", "Cheat triggered: '" + cheat + "'");
            if (action) {
                action();
            }
        }
    };

    // Player related cheats
    {
        auto player = static_cast<CharacterObject*>(
            world->pedestrianPool.find(state->playerObject));

#ifdef RW_GAME_GTA3_GERMAN  // Germans got their own cheat
        std::string health_cheat = "GESUNDHEIT";
#else
        std::string health_cheat = "HEALTH";
#endif
        checkForCheat(health_cheat, [&] {
            player->getCurrentState().health = 100.f;
            // @todo ShowHelpMessage("CHEAT3"); // III / VC: Inputting health
            // cheat.
        });

#if RW_GAME_VERSION >= 1100  // Changed cheat name in version 1.1
        std::string armor_cheat = "TORTOISE";
#else
        std::string armor_cheat = "TURTOISE";
#endif
        checkForCheat(armor_cheat, [&] {
            player->getCurrentState().armour = 100.f;
            // @todo ShowHelpMessage("CHEAT4"); // III / VC: Inputting armor
            // cheat.
        });

        checkForCheat("GUNSGUNSGUNS", [&] {
            // @todo give player weapons
            // @todo ShowHelpMessage("CHEAT2"); // III / VC: Inputting weapon
            // cheats.
        });

        checkForCheat("IFIWEREARICHMAN", [&] {
            world->state->playerInfo.money += 250000;
            // @todo ShowHelpMessage("CHEAT6"); // III: Inputting money cheat.
        });

        checkForCheat("MOREPOLICEPLEASE", [&] {
            // @todo raise to next wanted level
            // @todo ShowHelpMessage("CHEAT5"); // III / VC: Inputting wanted
            // level cheats.
        });

        checkForCheat("NOPOLICEPLEASE", [&] {
            // @todo lower to next lower wanted level
            // @todo ShowHelpMessage("CHEAT5"); // III / VC: Inputting wanted
            // level cheats.
        });
    }

    // Misc cheats.
    {
        checkForCheat("BANGBANGBANG", [&] {
            // @todo Explode nearby vehicles
            // @todo What radius?
            // @todo ShowHelpMessage("CHEAT1"); // III / VC: Inputting most
            // cheats.
        });

        checkForCheat("GIVEUSATANK", [&] {
// The iPod / Android version of the game (10th year anniversary) spawns random
// (?) vehicles instead of always rhino
#ifdef RW_GAME_GTA3_ANNIVERSARY
            uint16_t vehicleModel = 110;  // @todo Which cars are spawned?!
#else
			uint16_t vehicleModel = 122;
#endif
            // @todo Spawn rhino
            // @todo ShowHelpMessage("CHEAT1"); // III / VC: Inputting most
            // cheats.
        });

        checkForCheat("CORNERSLIKEMAD", [&] {
            // @todo Weird car handling
            // @todo ShowHelpMessage("CHEAT1"); // III / VC: Inputting most
            // cheats.
        });

        checkForCheat("ANICESETOFWHEELS", [&] {
            // @todo Hide car bodies
            // @todo ShowHelpMessage("CHEAT1"); // III / VC: Inputting most
            // cheats.
        });

        checkForCheat("CHITTYCHITTYBB", [&] {
            // @todo Cars can fly
            // @todo ShowHelpMessage("CHEAT1"); // III / VC: Inputting most
            // cheats.
        });

        checkForCheat("NASTYLIMBCHEAT", [&] {
            // @todo Makes it possible to shoot limbs off, iirc?
            // @todo ShowHelpMessage("CHEAT1"); // III / VC: Inputting most
            // cheats.
        });

        checkForCheat("ILIKEDRESSINGUP", [&] {
            // @todo Which skins will be chosen?
            // @todo ShowHelpMessage("CHEAT1"); // III / VC: Inputting most
            // cheats.
        });
    }

    // Pedestrian cheats
    {
        checkForCheat("WEAPONSFORALL", [&] {
            // @todo Give all pedestrians weapons.. this is also saved in the
            // savegame?!
            // @todo Which weapons do they get?
            // @todo ShowHelpMessage("CHEAT1"); // III / VC: Inputting most
            // cheats.
        });

        checkForCheat("NOBODYLIKESME", [&] {
            // @todo Set all pedestrians hostile towards player.. this is also
            // saved in the savegame?!
            // @todo ShowHelpMessage("CHEAT1"); // III / VC: Inputting most
            // cheats.
        });

        checkForCheat("ITSALLGOINGMAAAD", [&] {
            // @todo Set all pedestrians to fighting each other.. this is also
            // saved in the savegame?!
            // @todo ShowHelpMessage("CHEAT1"); // III / VC: Inputting most
            // cheats.
        });

        // Game speed cheats

        checkForCheat("TIMEFLIESWHENYOU", [&] {
            // @todo Set fast gamespeed
            // @todo ShowHelpMessage("CHEAT1"); // III / VC: Inputting most
            // cheats.
        });

        checkForCheat("BOOOOORING", [&] {
            // @todo Set slow gamespeed
            // @todo ShowHelpMessage("CHEAT1"); // III / VC: Inputting most
            // cheats.
        });
    }

    // Weather cheats
    {
        checkForCheat("ILIKESCOTLAND", [&] {
            // @todo Set weather to cloudy
            // @todo ShowHelpMessage("CHEAT7"); // III / VC: Inputting weather
            // cheats.
        });

        checkForCheat("SKINCANCERFORME", [&] {
            // @todo Set sunny / normal weather
            // @todo ShowHelpMessage("CHEAT7"); // III / VC: Inputting weather
            // cheats.
        });

        checkForCheat("MADWEATHER", [&] {
            // @todo Set bad weather
            // @todo ShowHelpMessage("CHEAT7"); // III / VC: Inputting weather
            // cheats.
        });

        checkForCheat("ILOVESCOTLAND", [&] {
            // @todo Set weather to rainy
            // @todo ShowHelpMessage("CHEAT7"); // III / VC: Inputting weather
            // cheats.
        });

        checkForCheat("PEASOUP", [&] {
            // @todo Set weather to foggy
            // @todo ShowHelpMessage("CHEAT7"); // III / VC: Inputting weather
            // cheats.
        });
    }
}

int RWGame::run() {
    last_clock_time = clock.now();

    // Loop until we run out of states.
    while (StateManager::get().states.size()) {
        State* state = StateManager::get().states.back();

        RW_PROFILE_FRAME_BOUNDARY();

        RW_PROFILE_BEGIN("Input");
        SDL_Event event;
        while (SDL_PollEvent(&event)) {
            switch (event.type) {
                case SDL_QUIT:
                    StateManager::get().clear();
                    break;

                case SDL_WINDOWEVENT:
                    switch (event.window.event) {
                        case SDL_WINDOWEVENT_FOCUS_GAINED:
                            inFocus = true;
                            break;

                        case SDL_WINDOWEVENT_FOCUS_LOST:
                            inFocus = false;
                            break;
                    }
                    break;

                case SDL_KEYDOWN:
                    globalKeyEvent(event);
                    break;

                case SDL_MOUSEMOTION:
                    event.motion.xrel *= MOUSE_SENSITIVITY_SCALE;
                    event.motion.yrel *= MOUSE_SENSITIVITY_SCALE;
                    break;
            }

            RW_PROFILE_BEGIN("State");
            state->handleEvent(event);
            RW_PROFILE_END()
        }
        RW_PROFILE_END();

        auto now = clock.now();
        float timer =
            std::chrono::duration<float>(now - last_clock_time).count();
        last_clock_time = now;
        accum += timer * timescale;

        RW_PROFILE_BEGIN("Update");
        if (accum >= GAME_TIMESTEP) {
            if (StateManager::get().states.size() == 0) {
                break;
            }

            RW_PROFILE_BEGIN("state");
            StateManager::get().tick(GAME_TIMESTEP);
            RW_PROFILE_END();

            RW_PROFILE_BEGIN("engine");
            tick(GAME_TIMESTEP);
            RW_PROFILE_END();

            accum -= GAME_TIMESTEP;

            // Throw away time if the accumulator reaches too high.
            if (accum > GAME_TIMESTEP * 5.f) {
                accum = 0.f;
            }
        }
        RW_PROFILE_END();

        float alpha = fmod(accum, GAME_TIMESTEP) / GAME_TIMESTEP;
        if (!state->shouldWorldUpdate()) {
            alpha = 1.f;
        }

        RW_PROFILE_BEGIN("Render");
        RW_PROFILE_BEGIN("engine");
        render(alpha, timer);
        RW_PROFILE_END();

        RW_PROFILE_BEGIN("state");
        if (StateManager::get().states.size() > 0) {
            StateManager::get().draw(renderer);
        }
        RW_PROFILE_END();
        RW_PROFILE_END();

        renderProfile();

        window->swap();
    }

    return 0;
}

void RWGame::tick(float dt) {
    // Process the Engine's background work.
    world->_work->update();

    State* currState = StateManager::get().states.back();

    world->chase.update(dt);

    static float clockAccumulator = 0.f;
    if (currState->shouldWorldUpdate()) {
        // Clear out any per-tick state.
        world->clearTickData();

        state->gameTime += dt;

        clockAccumulator += dt;
        while (clockAccumulator >= 1.f) {
            world->state->basic.gameMinute++;
            while (state->basic.gameMinute >= 60) {
                state->basic.gameMinute = 0;
                state->basic.gameHour++;
                while (state->basic.gameHour >= 24) {
                    state->basic.gameHour = 0;
                }
            }
            clockAccumulator -= 1.f;
        }

        // Clean up old VisualFX
        for (int i = 0; i < static_cast<int>(world->effects.size()); ++i) {
            VisualFX* effect = world->effects[i];
            if (effect->getType() == VisualFX::Particle) {
                auto& part = effect->particle;
                if (part.lifetime < 0.f) continue;
                if (world->getGameTime() >= part.starttime + part.lifetime) {
                    world->destroyEffect(effect);
                    --i;
                }
            }
        }

        for (auto& object : world->allObjects) {
            object->_updateLastTransform();
            object->tick(dt);
        }

        world->destroyQueuedObjects();

        state->text.tick(dt);

        world->dynamicsWorld->stepSimulation(dt, 2, dt);

        if (script) {
            try {
                script->execute(dt);
            } catch (SCMException& ex) {
                std::cerr << ex.what() << std::endl;
                log.error("Script", ex.what());
                throw;
            }
        }

        /// @todo this doesn't make sense as the condition
        if (state->playerObject) {
            nextCam.frustum.update(nextCam.frustum.projection() *
                                   nextCam.getView());
            // Use the current camera position to spawn pedestrians.
            world->cleanupTraffic(nextCam);
            world->createTraffic(nextCam);
        }
    }

    // render() needs two cameras to smoothly interpolate between ticks.
    lastCam = nextCam;
    nextCam = currState->getCamera();
}

void RWGame::render(float alpha, float time) {
    lastDraws = getRenderer()->getRenderer()->getDrawCount();

    getRenderer()->getRenderer()->swap();

    glm::ivec2 windowSize = window->getSize();
    renderer->setViewport(windowSize.x, windowSize.y);

    ViewCamera viewCam;
    viewCam.frustum.fov = glm::radians(90.f);
    if (state->currentCutscene != nullptr && state->cutsceneStartTime >= 0.f) {
        auto cutscene = state->currentCutscene;
        float cutsceneTime =
            std::min(world->getGameTime() - state->cutsceneStartTime,
                     cutscene->tracks.duration);
        cutsceneTime += GAME_TIMESTEP * alpha;
        glm::vec3 cameraPos = cutscene->tracks.getPositionAt(cutsceneTime),
                  targetPos = cutscene->tracks.getTargetAt(cutsceneTime);
        float zoom = cutscene->tracks.getZoomAt(cutsceneTime);
        viewCam.frustum.fov = glm::radians(zoom);
        float tilt = cutscene->tracks.getRotationAt(cutsceneTime);

        auto direction = glm::normalize(targetPos - cameraPos);
        auto right =
            glm::normalize(glm::cross(glm::vec3(0.f, 0.f, 1.f), direction));
        auto up = glm::normalize(glm::cross(direction, right));

        glm::mat3 m;
        m[0][0] = direction.x;
        m[0][1] = right.x;
        m[0][2] = up.x;

        m[1][0] = direction.y;
        m[1][1] = right.y;
        m[1][2] = up.y;

        m[2][0] = direction.z;
        m[2][1] = right.z;
        m[2][2] = up.z;

        auto qtilt = glm::angleAxis(glm::radians(tilt), direction);

        cameraPos += cutscene->meta.sceneOffset;
        targetPos += cutscene->meta.sceneOffset;

        viewCam.position = cameraPos;
        viewCam.rotation = glm::inverse(glm::quat_cast(m)) * qtilt;
    } else if (state->cameraFixed) {
        viewCam.position = state->cameraPosition;
        viewCam.rotation = state->cameraRotation;
    } else {
        // There's no cutscene playing - use the camera returned by the State.
        viewCam.position = glm::mix(lastCam.position, nextCam.position, alpha);
        viewCam.rotation =
            glm::slerp(lastCam.rotation, nextCam.rotation, alpha);
    }

    viewCam.frustum.aspectRatio =
        windowSize.x / static_cast<float>(windowSize.y);

    if (state->isCinematic) {
        viewCam.frustum.fov *= viewCam.frustum.aspectRatio;
    }

    glEnable(GL_DEPTH_TEST);
    glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);

    renderer->getRenderer()->pushDebugGroup("World");

    RW_PROFILE_BEGIN("world");
    renderer->renderWorld(world, viewCam, alpha);
    RW_PROFILE_END();

    renderer->getRenderer()->popDebugGroup();

    RW_PROFILE_BEGIN("debug");
    switch (debugview_) {
        case DebugViewMode::General:
            renderDebugStats(time);
            break;
        case DebugViewMode::Physics:
            if (world) {
                world->dynamicsWorld->debugDrawWorld();
                debug->flush(renderer);
            }
            break;
        case DebugViewMode::Navigation:
            renderDebugPaths(time);
            break;
        case DebugViewMode::Objects:
            renderDebugObjects(time, viewCam);
            break;
        default:
            break;
    }
    RW_PROFILE_END();

    drawOnScreenText(world, renderer);
}

void RWGame::renderDebugStats(float time) {
    // Turn time into milliseconds
    float time_ms = time * 1000.f;
    constexpr size_t average_every_frame = 15;
    static float times[average_every_frame];
    static size_t times_index = 0;
    static float time_average = 0;
    times[times_index++] = time_ms;
    if (times_index >= average_every_frame) {
        times_index = 0;
        time_average = 0;

        for (size_t i = 0; i < average_every_frame; ++i) {
            time_average += times[i];
        }
        time_average /= average_every_frame;
    }

    std::stringstream ss;
    ss << "FPS: " << (1000.f / time_average) << " (" << time_average << "ms)\n"
       << "Frame: " << time_ms << "ms\n"
       << "Draws/Textures/Buffers: " << lastDraws << "/"
       << renderer->getRenderer()->getTextureCount() << "/"
       << renderer->getRenderer()->getBufferCount() << "\n";

    TextRenderer::TextInfo ti;
    ti.text = GameStringUtil::fromString(ss.str());
    ti.font = 2;
    ti.screenPosition = glm::vec2(10.f, 10.f);
    ti.size = 15.f;
    ti.baseColour = glm::u8vec3(255);
    renderer->text.renderText(ti);

    /*while( engine->log.size() > 0 && engine->log.front().time + 10.f <
    engine->gameTime ) {
        engine->log.pop_front();
    }

    ti.screenPosition = glm::vec2( 10.f, 500.f );
    ti.size = 15.f;
    for(auto it = engine->log.begin(); it != engine->log.end(); ++it) {
        ti.text = it->message;
        switch(it->type) {
        case GameWorld::LogEntry::Error:
            ti.baseColour = glm::vec3(1.f, 0.f, 0.f);
            break;
        case GameWorld::LogEntry::Warning:
            ti.baseColour = glm::vec3(1.f, 1.f, 0.f);
            break;
        default:
            ti.baseColour = glm::vec3(1.f, 1.f, 1.f);
            break;
        }

        // Interpolate the color
        // c.a = (engine->gameTime - it->time > 5.f) ? 255 - (((engine->gameTime
    - it->time) - 5.f)/5.f) * 255 : 255;
        // text.setColor(c);

        engine->renderer.text.renderText(ti);
        ti.screenPosition.y -= ti.size;
    }*/
}

void RWGame::renderDebugPaths(float time) {
    RW_UNUSED(time);

    btVector3 roadColour(1.f, 0.f, 0.f);
    btVector3 pedColour(0.f, 0.f, 1.f);

    for (AIGraphNode* n : world->aigraph.nodes) {
        btVector3 p(n->position.x, n->position.y, n->position.z);
        auto& col = n->type == AIGraphNode::Pedestrian ? pedColour : roadColour;
        debug->drawLine(p - btVector3(0.f, 0.f, 1.f),
                        p + btVector3(0.f, 0.f, 1.f), col);
        debug->drawLine(p - btVector3(1.f, 0.f, 0.f),
                        p + btVector3(1.f, 0.f, 0.f), col);
        debug->drawLine(p - btVector3(0.f, 1.f, 0.f),
                        p + btVector3(0.f, 1.f, 0.f), col);

        for (AIGraphNode* c : n->connections) {
            btVector3 f(c->position.x, c->position.y, c->position.z);
            debug->drawLine(p, f, col);
        }
    }

    // Draw Garage bounds
    for (size_t g = 0; g < state->garages.size(); ++g) {
        auto& garage = state->garages[g];
        btVector3 minColor(1.f, 0.f, 0.f);
        btVector3 maxColor(0.f, 1.f, 0.f);
        btVector3 min(garage.min.x, garage.min.y, garage.min.z);
        btVector3 max(garage.max.x, garage.max.y, garage.max.z);
        debug->drawLine(min, min + btVector3(0.5f, 0.f, 0.f), minColor);
        debug->drawLine(min, min + btVector3(0.f, 0.5f, 0.f), minColor);
        debug->drawLine(min, min + btVector3(0.f, 0.f, 0.5f), minColor);

        debug->drawLine(max, max - btVector3(0.5f, 0.f, 0.f), maxColor);
        debug->drawLine(max, max - btVector3(0.f, 0.5f, 0.f), maxColor);
        debug->drawLine(max, max - btVector3(0.f, 0.f, 0.5f), maxColor);
    }

    // Draw vehicle generators
    for (size_t v = 0; v < state->vehicleGenerators.size(); ++v) {
        auto& generator = state->vehicleGenerators[v];
        btVector3 color(1.f, 0.f, 0.f);
        btVector3 position(generator.position.x, generator.position.y,
                           generator.position.z);
        float heading = glm::radians(generator.heading);
        auto back =
            btVector3(0.f, -1.f, 0.f).rotate(btVector3(0.f, 0.f, 1.f), heading);
        auto right = btVector3(0.15f, -0.15f, 0.f)
                         .rotate(btVector3(0.f, 0.f, 1.f), heading);
        auto left = btVector3(-0.15f, -0.15f, 0.f)
                        .rotate(btVector3(0.f, 0.f, 1.f), heading);
        debug->drawLine(position, position + back, color);
        debug->drawLine(position, position + right, color);
        debug->drawLine(position, position + left, color);
    }

    debug->flush(renderer);
}

void RWGame::renderDebugObjects(float time, ViewCamera& camera) {
    RW_UNUSED(time);

    std::stringstream ss;

    ss << "Models: " << data->modelinfo.size() << "\n"
       << "Dynamic Objects:\n"
       << " Vehicles: " << world->vehiclePool.objects.size() << "\n"
       << " Peds: " << world->pedestrianPool.objects.size() << "\n";

    TextRenderer::TextInfo ti;
    ti.text = GameStringUtil::fromString(ss.str());
    ti.font = 2;
    ti.screenPosition = glm::vec2(10.f, 10.f);
    ti.size = 15.f;
    ti.baseColour = glm::u8vec3(255);
    renderer->text.renderText(ti);

    // Render worldspace overlay for nearby objects
    constexpr float kNearbyDistance = 25.f;
    const auto& view = camera.position;
    const auto& model = camera.getView();
    const auto& proj = camera.frustum.projection();
    const auto& size = getWindow().getSize();
    glm::vec4 viewport(0.f, 0.f, size.x, size.y);
    auto isnearby = [&](GameObject* o) {
        return glm::distance2(o->getPosition(), view) <
               kNearbyDistance * kNearbyDistance;
    };
    auto showdata = [&](GameObject* o, std::stringstream& ss) {
        auto screen = glm::project(o->getPosition(), model, proj, viewport);
        if (screen.z >= 1.f) {
            return;
        }
        ti.text = GameStringUtil::fromString(ss.str());
        screen.y = viewport.w - screen.y;
        ti.screenPosition = glm::vec2(screen);
        ti.size = 10.f;
        renderer->text.renderText(ti);
    };

    for (auto& p : world->vehiclePool.objects) {
        if (!isnearby(p.second)) continue;
        auto v = static_cast<VehicleObject*>(p.second);

        std::stringstream ss;
        ss << v->getVehicle()->vehiclename_ << "\n"
           << (v->isFlipped() ? "Flipped" : "Upright") << "\n"
           << (v->isStopped() ? "Stopped" : "Moving") << "\n"
           << v->getVelocity() << "m/s\n";

        showdata(v, ss);
    }
    for (auto& p : world->pedestrianPool.objects) {
        if (!isnearby(p.second)) continue;
        auto c = static_cast<CharacterObject*>(p.second);
        const auto& state = c->getCurrentState();
        auto act = c->controller->getCurrentActivity();

        std::stringstream ss;
        ss << "Health: " << state.health << " (" << state.armour << ")\n"
           << (c->isAlive() ? "Alive" : "Dead") << "\n"
           << "Activity: " << (act ? act->name() : "Idle") << "\n";

        showdata(c, ss);
    }
}

void RWGame::renderProfile() {
#if RW_PROFILER
    auto& frame = perf::Profiler::get().getFrame();
    constexpr float upperlimit = 30000.f;
    constexpr float lineHeight = 15.f;
    static std::vector<glm::vec4> perf_colours;
    if (perf_colours.size() == 0) {
        float c = 8.f;
        for (int r = 0; r < c; ++r) {
            for (int g = 0; g < c; ++g) {
                for (int b = 0; b < c; ++b) {
                    perf_colours.push_back({r / c, g / c, b / c, 1.f});
                }
            }
        }
    }

    float xscale = renderer->getRenderer()->getViewport().x / upperlimit;
    TextRenderer::TextInfo ti;
    ti.align = TextRenderer::TextInfo::Left;
    ti.font = 2;
    ti.size = lineHeight - 2.f;
    ti.baseColour = glm::u8vec3(255);
    std::function<void(const perf::ProfileEntry&, int)> renderEntry = [&](
        const perf::ProfileEntry& entry, int depth) {
        int g = 0;
        for (auto& event : entry.childProfiles) {
            auto duration = event.end - event.start;
            float y = 60.f + (depth * (lineHeight + 5.f));
            renderer->drawColour(
                perf_colours[(std::hash<std::string>()(entry.label) * (g++)) %
                             perf_colours.size()],
                {xscale * event.start, y, xscale * duration, lineHeight});
            ti.screenPosition.x = xscale * (event.start);
            ti.screenPosition.y = y + 2.f;
            ti.text = event.label + " " + std::to_string(duration) + " us ";
            renderer->text.renderText(ti);
            renderEntry(event, depth + 1);
        }
    };
    renderEntry(frame, 0);
    ti.screenPosition = glm::vec2(xscale * (16000), 40.f);
    ti.text = ".16 ms";
    renderer->text.renderText(ti);
#endif
}

void RWGame::globalKeyEvent(const SDL_Event& event) {
    const auto toggle_debug = [&](DebugViewMode m) {
        debugview_ = debugview_ == m ? DebugViewMode::Disabled : m;
    };

    switch (event.key.keysym.sym) {
        case SDLK_LEFTBRACKET:
            world->offsetGameTime(-30);
            break;
        case SDLK_RIGHTBRACKET:
            world->offsetGameTime(30);
            break;
        case SDLK_9:
            timescale *= 0.5f;
            break;
        case SDLK_0:
            timescale *= 2.0f;
            break;
        case SDLK_F1:
            toggle_debug(DebugViewMode::General);
            break;
        case SDLK_F2:
            toggle_debug(DebugViewMode::Navigation);
            break;
        case SDLK_F3:
            toggle_debug(DebugViewMode::Physics);
            break;
        case SDLK_F4:
            toggle_debug(DebugViewMode::Objects);
            break;
        default:
            break;
    }

    std::string keyName = SDL_GetKeyName(event.key.keysym.sym);
    if (keyName.length() == 1) {
        char symbol = keyName[0];
        handleCheatInput(symbol);
    }
}