<?php

namespace App\System;

use App\Component\GameCamera2DComponent;

use App\Debug\DebugTextOverlay;

use GL\Math\Vec2;

use GL\Math\Vec3;

use VISU\ECS\EntitiesInterface;

use VISU\Graphics\Camera;

use VISU\Graphics\CameraProjectionMode;

use VISU\Graphics\Rendering\RenderContext;

use VISU\OS\Input;

use VISU\OS\InputContextMap;

use VISU\Signal\Dispatcher;

use VISU\Signals\Input\CursorPosSignal;

use VISU\Signals\Input\ScrollSignal;

use VISU\System\VISUCameraSystem;

class CameraSystem extends VISUCameraSystem

{

/**

* Default camera mode is game in the game...

*/

protected int $visuCameraMode = self::CAMERA_MODE_FLYING;

/**

* Constructor

*/

public function __construct(

Input $input,

Dispatcher $dispatcher,

protected InputContextMap $inputContext,

)

{

parent::__construct($input, $dispatcher);

}

/**

* Registers the system, this is where you should register all required components.

*

* @return void

*/

public function register(EntitiesInterface $entities) : void

{

parent::register($entities);

// create an inital camera entity

$cameraEntity = $entities->create();

$camera = $entities->attach($cameraEntity, new Camera(CameraProjectionMode::perspective));

$camera->nearPlane = 0.1;

$camera->farPlane = 16000;

// make the camera the active camera

$this->setActiveCameraEntity($cameraEntity);

}

/**

* Unregisters the system, this is where you can handle any cleanup.

*

* @return void

*/

public function unregister(EntitiesInterface $entities) : void

{

parent::unregister($entities);

$entities->removeSingleton(GameCamera2DComponent::class);

}

/**

* Override this method to handle the cursor position in game mode

*

* @param CursorPosSignal $signal

* @return void

*/

protected function handleCursorPosVISUGame(EntitiesInterface $entities, CursorPosSignal $signal) : void

{

// handle mouse movement

}

/**

* Override this method to handle the scroll wheel in game mode

*

* @param ScrollSignal $signal

* @return void

*/

protected function handleScrollVISUGame(EntitiesInterface $entities, ScrollSignal $signal) : void

{

// handle mouse scroll

}

/**

* Override this method to update the camera in game mode

*

* @param EntitiesInterface $entities

*/

public function updateGameCamera(EntitiesInterface $entities, Camera $camera) : void

{

}

/**

* Handles rendering of the scene, here you can attach additional render passes,

* modify the render pipeline or customize rendering related data.

*

* @param RenderContext $context

*/

public function render(EntitiesInterface $entities, RenderContext $context) : void

{

parent::render($entities, $context);

}

}