// Copyright (C) 2018 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

import Qt3D.Core 2.0
import Qt3D.Render 2.0
import Qt3D.Extras 2.0
import QtQuick.Window 2.0

Entity {
    id: sceneRoot

    Window {
        id: _view
        width: 600
        height: 600
        visible: true
    }

    Camera {
        id: camera
        projectionType: CameraLens.PerspectiveProjection
        fieldOfView: 45
        aspectRatio: _view.width / 2 / _view.height
        nearPlane : 0.1
        farPlane : 1000.0
        position: Qt.vector3d( 0.0, 0.0, -10.0 )
        upVector: Qt.vector3d( 0.0, 1.0, 0.0 )
        viewCenter: Qt.vector3d( 0.0, 0.0, 0.0 )
    }

    Camera {
        id: camera2
        projectionType: CameraLens.PerspectiveProjection
        fieldOfView: 45
        aspectRatio: _view.width / _view.height
        nearPlane : 0.1
        farPlane : 1000.0
        position: Qt.vector3d( 0.0, 0.0, -20.0 )
        upVector: Qt.vector3d( 0.0, 1.0, 0.0 )
        viewCenter: Qt.vector3d( 0.0, 0.0, 0.0 )
    }

    FirstPersonCameraController {
        camera: camera
    }

    DirectionalLight {
        worldDirection: camera.viewVector.times(-1)
    }

    // Draw 2 viewports
    // one with the content, the other with content + debug volumes
    components: [
        RenderSettings {
            Viewport {
                normalizedRect: Qt.rect(0.0, 0.0, 1.0, 1.0)

                RenderSurfaceSelector {
                    surface: _view

                    Viewport {
                        normalizedRect: Qt.rect(0.0, 0.0, 0.5, 1.0)
                        ClearBuffers {
                            buffers : ClearBuffers.ColorDepthBuffer
                            clearColor: "white"
                            CameraSelector {
                                camera: camera
                            }
                        }
                    }

                    Viewport {
                        normalizedRect: Qt.rect(0.5, 0.0, 0.5, 1.0)
                        CameraSelector {
                            camera: camera2
                        }
                    }
                }
            }
        }
    ]

    CuboidMesh { id: cubeMesh }

    Entity {
        readonly property ObjectPicker objectPicker: ObjectPicker {
            onClicked: console.log("o1")
        }
        readonly property Transform transform: Transform {
            scale: 3
            translation: Qt.vector3d(3, 0, 0)
        }
        readonly property PhongMaterial material: PhongMaterial { diffuse: "red" }

        components: [cubeMesh, transform, material, objectPicker ]
    }

    Entity {
        readonly property ObjectPicker objectPicker: ObjectPicker {
            objectName: "Picker2"
            onClicked: console.log("o2")
        }
        readonly property Transform transform: Transform {
            scale: 3
            translation: Qt.vector3d(-3, 0, 0)
        }
        readonly property PhongMaterial material: PhongMaterial { diffuse: "green" }

        components: [cubeMesh, transform, material, objectPicker ]
    }
}