shooter/PlayerController.cpp

//
// Created by Иван Ильин on 19.09.2021.
//

#include "PlayerController.h"
#include "engine/utils/Log.h"
#include "ShooterConsts.h"
#include "engine/animation/Animations.h"

PlayerController::PlayerController(std::shared_ptr<Player> player,
                                   std::shared_ptr<Keyboard> keyboard,
                                   std::shared_ptr<Mouse> mouse) : _player(player), _keyboard(keyboard),
                                                                   _mouse(mouse) {}

void PlayerController::update() {
    // friction
    if (_player->inCollision()) {
        _player->setVelocity(_player->velocity() * (1.0 - Time::deltaTime() * 2));
    }

    if (_isInSlowMo) {
        if (_player->ability() > 0) {
            _player->setAbility(_player->ability() - Time::deltaTime());
        } else {
            _player->setAbility(0);
            _isInSlowMo = false;
            _player->setVelocity(_player->velocity() * ShooterConsts::SLOW_MO_COEFFICIENT);
            _player->setAcceleration(
                    _player->acceleration() * ShooterConsts::SLOW_MO_COEFFICIENT * ShooterConsts::SLOW_MO_COEFFICIENT);
            SoundController::stopSound(SoundTag("slowMo"));
            SoundController::loadAndPlay(SoundTag("unSlowMo"), ShooterConsts::UN_SLOW_MO_SOUND);
        }
    }

    double coeff = _isInSlowMo ? 1.0 / ShooterConsts::SLOW_MO_COEFFICIENT : 1.0;

    bool inRunning_old = _inRunning;
    _inRunning = (Keyboard::isKeyPressed(sf::Keyboard::A) ||
                  Keyboard::isKeyPressed(sf::Keyboard::D) ||
                  Keyboard::isKeyPressed(sf::Keyboard::W) ||
                  Keyboard::isKeyPressed(sf::Keyboard::S));

    std::shared_ptr<Object> camera = _player->attached(ObjectNameTag("Camera"));

    if(camera != nullptr) {
        // random motion during high speed
        if (!Timeline::isInAnimList(AnimationListTag("high_speed_motion"))) {
            double d_alpha = _player->velocity().abs()/3000*rand()/RAND_MAX;
            double dt = 0.07;

            Timeline::addAnimation<ARotateLeftUpLookAt>(AnimationListTag("high_speed_motion"),
                                               camera, Vec3D(0, 0, d_alpha), dt,
                                               Animation::LoopOut::None,
                                               Animation::InterpolationType::Cos);
            Timeline::addAnimation<AWait>(AnimationListTag("high_speed_motion"), 0);
            Timeline::addAnimation<ARotateLeftUpLookAt>(AnimationListTag("high_speed_motion"),
                                                        camera, Vec3D(0, 0, -d_alpha), dt,
                                                        Animation::LoopOut::None,
                                                        Animation::InterpolationType::Cos);
            Timeline::addAnimation<AWait>(AnimationListTag("high_speed_motion"), 0);

        }
    }


    if (camera != nullptr && _inRunning && _player->inCollision()) {
        if (!Timeline::isInAnimList(AnimationListTag("camera_hor_oscil"))) {
            Timeline::addAnimation<ATranslate>(AnimationListTag("camera_hor_oscil"),
                                               camera, -camera->left() / 6, 0.3,
                                               Animation::LoopOut::None,
                                               Animation::InterpolationType::Cos);
            Timeline::addAnimation<AWait>(AnimationListTag("camera_hor_oscil"), 0);
            Timeline::addAnimation<ATranslate>(AnimationListTag("camera_hor_oscil"),
                                               camera, camera->left() / 6, 0.3,
                                               Animation::LoopOut::None,
                                               Animation::InterpolationType::Cos);

            Timeline::addAnimation<ATranslate>(AnimationListTag("camera_vert_oscil"),
                                               camera, -Vec3D{0, 1, 0} / 12, 0.15,
                                               Animation::LoopOut::None,
                                               Animation::InterpolationType::Cos);
            Timeline::addAnimation<AWait>(AnimationListTag("camera_vert_oscil"), 0);
            Timeline::addAnimation<ATranslate>(AnimationListTag("camera_vert_oscil"),
                                               camera, Vec3D{0, 1, 0} / 12, 0.15,
                                               Animation::LoopOut::None,
                                               Animation::InterpolationType::Cos);
            Timeline::addAnimation<AWait>(AnimationListTag("camera_vert_oscil"), 0);
            Timeline::addAnimation<ATranslate>(AnimationListTag("camera_vert_oscil"),
                                               camera, -Vec3D{0, 1, 0} / 12, 0.15,
                                               Animation::LoopOut::None,
                                               Animation::InterpolationType::Cos);
            Timeline::addAnimation<AWait>(AnimationListTag("camera_vert_oscil"), 0);
            Timeline::addAnimation<ATranslate>(AnimationListTag("camera_vert_oscil"),
                                               camera, Vec3D{0, 1, 0} / 12, 0.15,
                                               Animation::LoopOut::None,
                                               Animation::InterpolationType::Cos);

            Timeline::addAnimation<ATranslateToPoint>(AnimationListTag("camera_init"),
                                                      camera, _player->position() + Vec3D{0, 1.8, 0},
                                                      0.3,
                                                      Animation::LoopOut::None,
                                                      Animation::InterpolationType::Cos);
        }
    } else if (camera != nullptr && inRunning_old && !_inRunning) {
        Timeline::deleteAnimationList(AnimationListTag("camera_hor_oscil"));
        Timeline::deleteAnimationList(AnimationListTag("camera_vert_oscil"));
        Timeline::deleteAnimationList(AnimationListTag("camera_init"));
        Timeline::addAnimation<ATranslateToPoint>(AnimationListTag("camera_init"),
                               camera, _player->position() + Vec3D{0, 1.8, 0}, 0.15,
                               Animation::LoopOut::None,
                               Animation::InterpolationType::Cos);
    }

    // Left and right

    if (Keyboard::isKeyPressed(sf::Keyboard::A)) {
        _player->translate(_player->left() * Time::deltaTime() * ShooterConsts::WALK_SPEED * coeff);
        if (_player->inCollision()) {
            _player->setVelocity(Vec3D{0, 0, 0});
        }
    }
    if (Keyboard::isKeyPressed(sf::Keyboard::D)) {
        _player->translate(-_player->left() * Time::deltaTime() * ShooterConsts::WALK_SPEED * coeff);
        if (_player->inCollision()) {
            _player->setVelocity(Vec3D{0, 0, 0});
        }
    }

    // Forward and backward
    if (Keyboard::isKeyPressed(sf::Keyboard::W)) {
        _player->translate(_player->lookAt() * Time::deltaTime() * ShooterConsts::WALK_SPEED * coeff);
        if (_player->inCollision()) {
            _player->setVelocity(Vec3D{0, 0, 0});
        }
    }

    if (Keyboard::isKeyPressed(sf::Keyboard::S)) {
        _player->translate(-_player->lookAt() * Time::deltaTime() * ShooterConsts::WALK_SPEED * coeff);

        if (_player->inCollision()) {
            _player->setVelocity(Vec3D{0, 0, 0});
        }
    }

    if (_player->ability() > 0 && !_isInSlowMo && Keyboard::isKeyPressed(sf::Keyboard::LShift)) {
        // slow mo
        _isInSlowMo = true;
        _player->setVelocity(_player->velocity() / ShooterConsts::SLOW_MO_COEFFICIENT);
        _player->setAcceleration(Vec3D(0, -ShooterConsts::GRAVITY /
                                          (ShooterConsts::SLOW_MO_COEFFICIENT * ShooterConsts::SLOW_MO_COEFFICIENT),
                                       0));
        SoundController::stopSound(SoundTag("unSlowMo"));
        SoundController::loadAndPlay(SoundTag("slowMo"), ShooterConsts::SLOW_MO_SOUND);
    } else if (_isInSlowMo && !Keyboard::isKeyPressed(sf::Keyboard::LShift)) {
        _isInSlowMo = false;
        _player->setVelocity(_player->velocity() * ShooterConsts::SLOW_MO_COEFFICIENT);
        _player->setAcceleration(Vec3D(0, -ShooterConsts::GRAVITY, 0));
        SoundController::stopSound(SoundTag("slowMo"));
        SoundController::loadAndPlay(SoundTag("unSlowMo"), ShooterConsts::UN_SLOW_MO_SOUND);
    }

    if (Mouse::isButtonPressed(sf::Mouse::Button::Left)) {
        bool shot = _player->fire();

        if (shot) {
            if (_player->weapon()->name() == ObjectNameTag("shotgun")) {
                _player->addVelocity(-camera->lookAt() * 30 * coeff);
            }
        }
    }

    if (Keyboard::isKeyPressed(sf::Keyboard::Space) && _player->inCollision()) {
        // if we just want to jump, we have to add particular speed

        if (!_isSliding) {
            _player->addVelocity(Vec3D{0, std::abs(_player->collisionNormal().y()) *
                                          sqrt(2 * -_player->acceleration().y() * ShooterConsts::JUMP_HEIGHT) * coeff,
                                       0});
            // if we want to slide, we have to add speed * 60/fps to make it independent on frame rate
        } else {
            _player->addVelocity(Vec3D{0, std::abs(_player->collisionNormal().y()) *
                                          sqrt(2 * -_player->acceleration().y() * ShooterConsts::JUMP_HEIGHT) * coeff *
                                          Time::deltaTime() * 60, 0});
        }
        _player->translate(Vec3D{0, Time::deltaTime() * ShooterConsts::WALK_SPEED * 2 * coeff, 0});

        //_player->setVelocity(Vec3D{_player->velocity().x(), sqrt(2 * -_player->acceleration().y() * ShooterConsts::JUMP_HEIGHT) * coeff,_player->velocity().z()});
        _isSliding = true;
    } else {
        _isSliding = false;
    }

    // Mouse movement
    Vec2D displacement = _mouse->getMouseDisplacement();

    _player->rotate(Vec3D{0, -displacement.x() * ShooterConsts::MOUSE_SENSITIVITY, 0});
    _player->setVelocity(Matrix4x4::RotationY(-displacement.x() * ShooterConsts::MOUSE_SENSITIVITY) * _player->velocity());

    double rotationLeft = displacement.y() * ShooterConsts::MOUSE_SENSITIVITY;

    // You can only see in range [-90 : 90] grad
    if (_player->headAngle() + rotationLeft > Consts::PI / 2) {
        rotationLeft = Consts::PI / 2 - _player->headAngle();
    }
    if (_player->headAngle() + rotationLeft < -Consts::PI / 2) {
        rotationLeft = -Consts::PI / 2 - _player->headAngle();
    }

    _player->setHeadAngle(_player->headAngle() + rotationLeft);
    _player->rotateWeaponsRelativePoint(_player->position() + Vec3D{0, 1.8, 0}, _player->left(), rotationLeft);

    if (camera != nullptr) {
        double lookAtAngle = camera->angleLeftUpLookAt().z();
        camera->rotateLookAt(-lookAtAngle);
        camera->rotateLeft(_player->headAngle() - camera->angleLeftUpLookAt().x());
        camera->rotateLookAt(lookAtAngle);
    }

    if (_keyboard->isKeyTapped(sf::Keyboard::Right) || _keyboard->isKeyTapped(sf::Keyboard::E)) {
        _player->selectNextWeapon();
    }

    if (_keyboard->isKeyTapped(sf::Keyboard::Left) || _keyboard->isKeyTapped(sf::Keyboard::Q)) {
        _player->selectPreviousWeapon();
    }

    if (Keyboard::isKeyPressed(sf::Keyboard::R)) {
        _player->reload();
    }

    bool walkSoundPlayed = false;
    for (int k = 1; k < 7; k++) {
        if (SoundController::getStatus(SoundTag("walkSound_" + std::to_string(k))) == sf::Sound::Status::Playing) {
            walkSoundPlayed = true;
        }
    }
    if ((_inRunning || _player->velocity().sqrAbs() > 3) && _player->inCollision() && !walkSoundPlayed) {
        int soundNum = (int) ((double) rand() / RAND_MAX * 6) + 1;
        SoundController::loadAndPlay(SoundTag("walkSound_" + std::to_string(soundNum)),
                                   "sound/stonestep" + std::to_string(soundNum) + ".ogg");
    }
}