import { __decorate } from "../tslib.es6.js";
import { serializeAsVector3, serialize } from "../Misc/decorators.js";
import { Vector3, Vector2 } from "../Maths/math.vector.js";
import { Engine } from "../Engines/engine.js";
import { TargetCamera } from "./targetCamera.js";
import { FreeCameraInputsManager } from "./freeCameraInputsManager.js";
import { Tools } from "../Misc/tools.js";
/**
 * This represents a free type of camera. It can be useful in First Person Shooter game for instance.
 * Please consider using the new UniversalCamera instead as it adds more functionality like the gamepad.
 * @see https://doc.babylonjs.com/features/featuresDeepDive/cameras/camera_introduction#universal-camera
 */
export class FreeCamera extends TargetCamera {
    /**
     * Gets the input sensibility for a mouse input. (default is 2000.0)
     * Higher values reduce sensitivity.
     */
    get angularSensibility() {
        const mouse = this.inputs.attached["mouse"];
        if (mouse) {
            return mouse.angularSensibility;
        }
        return 0;
    }
    /**
     * Sets the input sensibility for a mouse input. (default is 2000.0)
     * Higher values reduce sensitivity.
     */
    set angularSensibility(value) {
        const mouse = this.inputs.attached["mouse"];
        if (mouse) {
            mouse.angularSensibility = value;
        }
    }
    /**
     * Gets or Set the list of keyboard keys used to control the forward move of the camera.
     */
    get keysUp() {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            return keyboard.keysUp;
        }
        return [];
    }
    set keysUp(value) {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            keyboard.keysUp = value;
        }
    }
    /**
     * Gets or Set the list of keyboard keys used to control the upward move of the camera.
     */
    get keysUpward() {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            return keyboard.keysUpward;
        }
        return [];
    }
    set keysUpward(value) {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            keyboard.keysUpward = value;
        }
    }
    /**
     * Gets or Set the list of keyboard keys used to control the backward move of the camera.
     */
    get keysDown() {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            return keyboard.keysDown;
        }
        return [];
    }
    set keysDown(value) {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            keyboard.keysDown = value;
        }
    }
    /**
     * Gets or Set the list of keyboard keys used to control the downward move of the camera.
     */
    get keysDownward() {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            return keyboard.keysDownward;
        }
        return [];
    }
    set keysDownward(value) {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            keyboard.keysDownward = value;
        }
    }
    /**
     * Gets or Set the list of keyboard keys used to control the left strafe move of the camera.
     */
    get keysLeft() {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            return keyboard.keysLeft;
        }
        return [];
    }
    set keysLeft(value) {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            keyboard.keysLeft = value;
        }
    }
    /**
     * Gets or Set the list of keyboard keys used to control the right strafe move of the camera.
     */
    get keysRight() {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            return keyboard.keysRight;
        }
        return [];
    }
    set keysRight(value) {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            keyboard.keysRight = value;
        }
    }
    /**
     * Gets or Set the list of keyboard keys used to control the left rotation move of the camera.
     */
    get keysRotateLeft() {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            return keyboard.keysRotateLeft;
        }
        return [];
    }
    set keysRotateLeft(value) {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            keyboard.keysRotateLeft = value;
        }
    }
    /**
     * Gets or Set the list of keyboard keys used to control the right rotation move of the camera.
     */
    get keysRotateRight() {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            return keyboard.keysRotateRight;
        }
        return [];
    }
    set keysRotateRight(value) {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            keyboard.keysRotateRight = value;
        }
    }
    /**
     * Gets or Set the list of keyboard keys used to control the up rotation move of the camera.
     */
    get keysRotateUp() {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            return keyboard.keysRotateUp;
        }
        return [];
    }
    set keysRotateUp(value) {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            keyboard.keysRotateUp = value;
        }
    }
    /**
     * Gets or Set the list of keyboard keys used to control the down rotation move of the camera.
     */
    get keysRotateDown() {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            return keyboard.keysRotateDown;
        }
        return [];
    }
    set keysRotateDown(value) {
        const keyboard = this.inputs.attached["keyboard"];
        if (keyboard) {
            keyboard.keysRotateDown = value;
        }
    }
    /**
     * Instantiates a Free Camera.
     * This represents a free type of camera. It can be useful in First Person Shooter game for instance.
     * Please consider using the new UniversalCamera instead as it adds more functionality like touch to this camera.
     * @see https://doc.babylonjs.com/features/featuresDeepDive/cameras/camera_introduction#universal-camera
     * @param name Define the name of the camera in the scene
     * @param position Define the start position of the camera in the scene
     * @param scene Define the scene the camera belongs to
     * @param setActiveOnSceneIfNoneActive Defines whether the camera should be marked as active if not other active cameras have been defined
     */
    constructor(name, position, scene, setActiveOnSceneIfNoneActive = true) {
        super(name, position, scene, setActiveOnSceneIfNoneActive);
        /**
         * Define the collision ellipsoid of the camera.
         * This is helpful to simulate a camera body like the player body around the camera
         * @see https://doc.babylonjs.com/features/featuresDeepDive/cameras/camera_collisions#arcrotatecamera
         */
        this.ellipsoid = new Vector3(0.5, 1, 0.5);
        /**
         * Define an offset for the position of the ellipsoid around the camera.
         * This can be helpful to determine the center of the body near the gravity center of the body
         * instead of its head.
         */
        this.ellipsoidOffset = new Vector3(0, 0, 0);
        /**
         * Enable or disable collisions of the camera with the rest of the scene objects.
         */
        this.checkCollisions = false;
        /**
         * Enable or disable gravity on the camera.
         */
        this.applyGravity = false;
        this._needMoveForGravity = false;
        this._oldPosition = Vector3.Zero();
        this._diffPosition = Vector3.Zero();
        this._newPosition = Vector3.Zero();
        // Collisions
        this._collisionMask = -1;
        this._onCollisionPositionChange = (collisionId, newPosition, collidedMesh = null) => {
            this._newPosition.copyFrom(newPosition);
            this._newPosition.subtractToRef(this._oldPosition, this._diffPosition);
            if (this._diffPosition.length() > Engine.CollisionsEpsilon) {
                this.position.addToRef(this._diffPosition, this._deferredPositionUpdate);
                if (!this._deferOnly) {
                    this.position.copyFrom(this._deferredPositionUpdate);
                }
                else {
                    this._deferredUpdated = true;
                }
                // call onCollide, if defined. Note that in case of deferred update, the actual position change might happen in the next frame.
                if (this.onCollide && collidedMesh) {
                    this.onCollide(collidedMesh);
                }
            }
        };
        this.inputs = new FreeCameraInputsManager(this);
        this.inputs.addKeyboard().addMouse();
    }
    /**
     * Attached controls to the current camera.
     * @param ignored defines an ignored parameter kept for backward compatibility.
     * @param noPreventDefault Defines whether event caught by the controls should call preventdefault() (https://developer.mozilla.org/en-US/docs/Web/API/Event/preventDefault)
     */
    attachControl(ignored, noPreventDefault) {
        // eslint-disable-next-line prefer-rest-params
        noPreventDefault = Tools.BackCompatCameraNoPreventDefault(arguments);
        this.inputs.attachElement(noPreventDefault);
    }
    /**
     * Detach the current controls from the specified dom element.
     */
    detachControl() {
        this.inputs.detachElement();
        this.cameraDirection = new Vector3(0, 0, 0);
        this.cameraRotation = new Vector2(0, 0);
    }
    /**
     * Define a collision mask to limit the list of object the camera can collide with
     */
    get collisionMask() {
        return this._collisionMask;
    }
    set collisionMask(mask) {
        this._collisionMask = !isNaN(mask) ? mask : -1;
    }
    /**
     * @internal
     */
    _collideWithWorld(displacement) {
        let globalPosition;
        if (this.parent) {
            globalPosition = Vector3.TransformCoordinates(this.position, this.parent.getWorldMatrix());
        }
        else {
            globalPosition = this.position;
        }
        globalPosition.subtractFromFloatsToRef(0, this.ellipsoid.y, 0, this._oldPosition);
        this._oldPosition.addInPlace(this.ellipsoidOffset);
        const coordinator = this.getScene().collisionCoordinator;
        if (!this._collider) {
            this._collider = coordinator.createCollider();
        }
        this._collider._radius = this.ellipsoid;
        this._collider.collisionMask = this._collisionMask;
        //no need for clone, as long as gravity is not on.
        let actualDisplacement = displacement;
        //add gravity to the direction to prevent the dual-collision checking
        if (this.applyGravity) {
            //this prevents mending with cameraDirection, a global variable of the free camera class.
            actualDisplacement = displacement.add(this.getScene().gravity);
        }
        coordinator.getNewPosition(this._oldPosition, actualDisplacement, this._collider, 3, null, this._onCollisionPositionChange, this.uniqueId);
    }
    /** @internal */
    _checkInputs() {
        if (!this._localDirection) {
            this._localDirection = Vector3.Zero();
            this._transformedDirection = Vector3.Zero();
        }
        this.inputs.checkInputs();
        super._checkInputs();
    }
    /**
     * Enable movement without a user input. This allows gravity to always be applied.
     */
    set needMoveForGravity(value) {
        this._needMoveForGravity = value;
    }
    /**
     * When true, gravity is applied whether there is user input or not.
     */
    get needMoveForGravity() {
        return this._needMoveForGravity;
    }
    /** @internal */
    _decideIfNeedsToMove() {
        return this._needMoveForGravity || Math.abs(this.cameraDirection.x) > 0 || Math.abs(this.cameraDirection.y) > 0 || Math.abs(this.cameraDirection.z) > 0;
    }
    /** @internal */
    _updatePosition() {
        if (this.checkCollisions && this.getScene().collisionsEnabled) {
            this._collideWithWorld(this.cameraDirection);
        }
        else {
            super._updatePosition();
        }
    }
    /**
     * Destroy the camera and release the current resources hold by it.
     */
    dispose() {
        this.inputs.clear();
        super.dispose();
    }
    /**
     * Gets the current object class name.
     * @returns the class name
     */
    getClassName() {
        return "FreeCamera";
    }
}
__decorate([
    serializeAsVector3()
], FreeCamera.prototype, "ellipsoid", void 0);
__decorate([
    serializeAsVector3()
], FreeCamera.prototype, "ellipsoidOffset", void 0);
__decorate([
    serialize()
], FreeCamera.prototype, "checkCollisions", void 0);
__decorate([
    serialize()
], FreeCamera.prototype, "applyGravity", void 0);
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