mirror of
https://github.com/stride3d/stride
synced 2026-05-24 10:19:21 +00:00
271 lines
13 KiB
C#
271 lines
13 KiB
C#
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// Copyright (c) Xenko contributors (https://xenko.com) and Silicon Studio Corp. (https://www.siliconstudio.co.jp)
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// Distributed under the MIT license. See the LICENSE.md file in the project root for more information.
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using System;
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using System.Collections.Generic;
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using Xenko.Core.Mathematics;
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using Xenko.Engine;
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using Xenko.Rendering;
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using Xenko.Rendering.Compositing;
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using Xenko.Graphics;
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using Xenko.Input;
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namespace TouchInputs
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{
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public class TouchInputsScript : SyncScript
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{
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private const float TextSpaceY = 3;
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private const float TextSubSectionOffsetX = 15;
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private const string KeyboardSessionString = "Keyboard :";
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public SpriteFont Font;
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public Texture RoundTexture;
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private Vector2 roundTextureSize;
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private readonly Color fontColor = Color.WhiteSmoke;
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private float textHeight;
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private readonly Vector2 textLeftTopCorner = new Vector2(5, 5);
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// keyboard
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private string keyEvents;
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private string keyDown;
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// mouse
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private Vector2 mousePosition;
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private string mouseButtonPressed;
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private string mouseButtonDown;
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private string mouseButtonReleased;
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private readonly Color mouseColor = Color.DarkGray;
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// pointers
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private readonly Queue<Tuple<Vector2, TimeSpan>> pointerPressed = new Queue<Tuple<Vector2, TimeSpan>>();
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private readonly Queue<Tuple<Vector2, TimeSpan>> pointerMoved = new Queue<Tuple<Vector2, TimeSpan>>();
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private readonly Queue<Tuple<Vector2, TimeSpan>> pointerReleased = new Queue<Tuple<Vector2, TimeSpan>>();
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private readonly TimeSpan displayPointerDuration = TimeSpan.FromSeconds(1.5f);
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// Gestures
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private string dragEvent;
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private string flickEvent;
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private string longPressEvent;
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private string compositeEvent;
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private string tapEvent;
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private Tuple<GestureEvent, TimeSpan> lastFlickEvent = new Tuple<GestureEvent, TimeSpan>(null, TimeSpan.Zero);
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private Tuple<GestureEvent, TimeSpan> lastLongPressEvent = new Tuple<GestureEvent, TimeSpan>(null, TimeSpan.Zero);
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private Tuple<GestureEvent, TimeSpan> lastTapEvent = new Tuple<GestureEvent, TimeSpan>(null, TimeSpan.Zero);
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// GamePads
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private string gamePadText;
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private readonly TimeSpan displayGestureDuration = TimeSpan.FromSeconds(1f);
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public override void Start()
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{
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// initialize parameters
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textHeight = Font.MeasureString(KeyboardSessionString).Y;
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roundTextureSize = new Vector2(RoundTexture.Width, RoundTexture.Height);
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// activate the gesture recognitions
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if (!IsLiveReloading) // Live Scripting: do it only on first launch
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{
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Input.Gestures.Add(new GestureConfigDrag());
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Input.Gestures.Add(new GestureConfigFlick());
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Input.Gestures.Add(new GestureConfigLongPress());
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Input.Gestures.Add(new GestureConfigComposite());
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Input.Gestures.Add(new GestureConfigTap());
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}
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}
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public override void Update()
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{
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var currentTime = Game.DrawTime.Total;
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keyDown = "";
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keyEvents = "";
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mouseButtonPressed = "";
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mouseButtonDown = "";
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mouseButtonReleased = "";
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dragEvent = "";
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flickEvent = "";
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longPressEvent = "";
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compositeEvent = "";
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tapEvent = "";
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gamePadText = "";
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// Keyboard
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if (Input.HasKeyboard)
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{
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foreach (var keyEvent in Input.KeyEvents)
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keyEvents += keyEvent + ", ";
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foreach (var key in Input.DownKeys)
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keyDown += key + ", ";
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}
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// Mouse
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if (Input.HasMouse)
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{
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mousePosition = Input.MousePosition;
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for (int i = 0; i <= (int)MouseButton.Extended2; i++)
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{
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var button = (MouseButton)i;
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if (Input.IsMouseButtonPressed(button))
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mouseButtonPressed += button + ", ";
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if (Input.IsMouseButtonDown(button))
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mouseButtonDown += button + ", ";
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if (Input.IsMouseButtonReleased(button))
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mouseButtonReleased += button + ", ";
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}
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}
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// Pointers
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if (Input.HasPointer)
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{
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foreach (var pointerEvent in Input.PointerEvents)
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{
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switch (pointerEvent.EventType)
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{
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case PointerEventType.Pressed:
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pointerPressed.Enqueue(Tuple.Create(pointerEvent.Position, currentTime));
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break;
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case PointerEventType.Moved:
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pointerMoved.Enqueue(Tuple.Create(pointerEvent.Position, currentTime));
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break;
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case PointerEventType.Released:
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pointerReleased.Enqueue(Tuple.Create(pointerEvent.Position, currentTime));
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break;
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case PointerEventType.Canceled:
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break;
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default:
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throw new ArgumentOutOfRangeException();
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}
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}
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// remove too old pointer events
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RemoveOldPointerEventInfo(pointerPressed);
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RemoveOldPointerEventInfo(pointerMoved);
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RemoveOldPointerEventInfo(pointerReleased);
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}
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// Gestures
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foreach (var gestureEvent in Input.GestureEvents)
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{
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switch (gestureEvent.Type)
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{
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case GestureType.Drag:
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var dragGestureEvent = (GestureEventDrag)gestureEvent;
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dragEvent = "Translation = " + dragGestureEvent.TotalTranslation;
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break;
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case GestureType.Flick:
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lastFlickEvent = Tuple.Create(gestureEvent, currentTime);
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break;
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case GestureType.LongPress:
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lastLongPressEvent = Tuple.Create(gestureEvent, currentTime);
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break;
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case GestureType.Composite:
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var compositeGestureEvent = (GestureEventComposite)gestureEvent;
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compositeEvent = "Rotation = " + compositeGestureEvent.TotalRotation + " - Scale = " + compositeGestureEvent.TotalScale + " - Translation = " + compositeGestureEvent.TotalTranslation;
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break;
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case GestureType.Tap:
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lastTapEvent = Tuple.Create(gestureEvent, currentTime);
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break;
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default:
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throw new ArgumentOutOfRangeException();
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}
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}
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if (Input.HasGamePad)
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{
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for (int i = 0; i < Input.GamePadCount; i++)
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{
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var gamePadState = Input.GetGamePadByIndex(i);
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gamePadText += "\n[" + i + "] " + gamePadState;
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}
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}
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if (currentTime - lastFlickEvent.Item2 < displayGestureDuration && lastFlickEvent.Item1 != null)
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{
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var flickGestureEvent = (GestureEventFlick)lastFlickEvent.Item1;
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flickEvent = " Start Position = " + flickGestureEvent.StartPosition + " - Speed = " + flickGestureEvent.AverageSpeed;
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}
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if (currentTime - lastLongPressEvent.Item2 < displayGestureDuration && lastLongPressEvent.Item1 != null)
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{
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var longPressGestureEvent = (GestureEventLongPress)lastLongPressEvent.Item1;
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longPressEvent = " Position = " + longPressGestureEvent.Position;
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}
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if (currentTime - lastTapEvent.Item2 < displayGestureDuration && lastTapEvent.Item1 != null)
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{
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var tapGestureEvent = (GestureEventTap)lastTapEvent.Item1;
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tapEvent = " Position = " + tapGestureEvent.TapPosition + " - number of taps = " + tapGestureEvent.NumberOfTaps;
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}
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}
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public void Render(RenderDrawContext context, SpriteBatch spriteBatch)
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{
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var screenSize = spriteBatch.VirtualResolution.Value;
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// depth test off mode
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spriteBatch.Begin(context.GraphicsContext, depthStencilState: DepthStencilStates.None);
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// render the keyboard key states
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spriteBatch.DrawString(Font, KeyboardSessionString, textLeftTopCorner, fontColor);
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spriteBatch.DrawString(Font, "Key pressed/released: " + keyEvents, textLeftTopCorner + new Vector2(TextSubSectionOffsetX, 1 * (textHeight + TextSpaceY)), fontColor);
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spriteBatch.DrawString(Font, "Key down: " + keyDown, textLeftTopCorner + new Vector2(TextSubSectionOffsetX, 2 * (textHeight + TextSpaceY)), fontColor);
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// render the mouse key states
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spriteBatch.DrawString(Font, "Mouse :", textLeftTopCorner + new Vector2(0, 4 * (textHeight + TextSpaceY)), fontColor);
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spriteBatch.DrawString(Font, "Mouse position: " + mousePosition, textLeftTopCorner + new Vector2(TextSubSectionOffsetX, 5 * (textHeight + TextSpaceY)), fontColor);
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spriteBatch.DrawString(Font, "Mouse button pressed: " + mouseButtonPressed, textLeftTopCorner + new Vector2(TextSubSectionOffsetX, 6 * (textHeight + TextSpaceY)), fontColor);
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spriteBatch.DrawString(Font, "Mouse button down: " + mouseButtonDown, textLeftTopCorner + new Vector2(TextSubSectionOffsetX, 7 * (textHeight + TextSpaceY)), fontColor);
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spriteBatch.DrawString(Font, "Mouse button released: " + mouseButtonReleased, textLeftTopCorner + new Vector2(TextSubSectionOffsetX, 8 * (textHeight + TextSpaceY)), fontColor);
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var mouseScreenPosition = new Vector2(mousePosition.X * screenSize.X, mousePosition.Y * screenSize.Y);
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spriteBatch.Draw(RoundTexture, mouseScreenPosition, mouseColor, 0, roundTextureSize / 2, 0.1f);
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// render the pointer states
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foreach (var tuple in pointerPressed)
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DrawPointers(spriteBatch, tuple, 1.5f, Color.Blue);
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foreach (var tuple in pointerMoved)
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DrawPointers(spriteBatch, tuple, 1f, Color.Green);
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foreach (var tuple in pointerReleased)
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DrawPointers(spriteBatch, tuple, 2f, Color.Red);
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// render the gesture states
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spriteBatch.DrawString(Font, "Gestures :", textLeftTopCorner + new Vector2(0, 10 * (textHeight + TextSpaceY)), fontColor);
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spriteBatch.DrawString(Font, "Drag: " + dragEvent, textLeftTopCorner + new Vector2(TextSubSectionOffsetX, 11 * (textHeight + TextSpaceY)), fontColor);
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spriteBatch.DrawString(Font, "Flick: " + flickEvent, textLeftTopCorner + new Vector2(TextSubSectionOffsetX, 12 * (textHeight + TextSpaceY)), fontColor);
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spriteBatch.DrawString(Font, "LongPress: " + longPressEvent, textLeftTopCorner + new Vector2(TextSubSectionOffsetX, 13 * (textHeight + TextSpaceY)), fontColor);
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spriteBatch.DrawString(Font, "Composite: " + compositeEvent, textLeftTopCorner + new Vector2(TextSubSectionOffsetX, 14 * (textHeight + TextSpaceY)), fontColor);
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spriteBatch.DrawString(Font, "Tap: " + tapEvent, textLeftTopCorner + new Vector2(TextSubSectionOffsetX, 15 * (textHeight + TextSpaceY)), fontColor);
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spriteBatch.DrawString(Font, "GamePads: " + gamePadText, textLeftTopCorner + new Vector2(TextSubSectionOffsetX, 17 * (textHeight + TextSpaceY)), fontColor);
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spriteBatch.End();
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}
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private void DrawPointers(SpriteBatch spriteBatch, Tuple<Vector2, TimeSpan> tuple, float baseScale, Color baseColor)
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{
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var screenSize = spriteBatch.VirtualResolution.Value;
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var position = tuple.Item1;
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var duration = Game.DrawTime.Total - tuple.Item2;
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var scale = (float)(0.2f * (1f - duration.TotalSeconds / displayPointerDuration.TotalSeconds));
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var pointerScreenPosition = new Vector2(position.X * screenSize.X, position.Y * screenSize.Y);
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spriteBatch.Draw(RoundTexture, pointerScreenPosition, baseColor, 0, roundTextureSize / 2, scale * baseScale);
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}
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/// <summary>
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/// Utility function to remove old pointer event from the queues
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/// </summary>
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/// <param name="tuples">the pointers event position and triggered time.</param>
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private void RemoveOldPointerEventInfo(Queue<Tuple<Vector2, TimeSpan>> tuples)
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{
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while (tuples.Count > 0 && Game.UpdateTime.Total - tuples.Peek().Item2 > displayPointerDuration)
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tuples.Dequeue();
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}
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}
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}
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