272 lines
12 KiB
C#
272 lines
12 KiB
C#
#region Using Statements
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using ANX.Framework.NonXNA;
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using ANX.Framework.Input;
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using System.IO;
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using System.Runtime.InteropServices;
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#endregion
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#region License
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//
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// This file is part of the ANX.Framework created by the "ANX.Framework developer group".
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//
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// This file is released under the Ms-PL license.
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//
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//
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//
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// Microsoft Public License (Ms-PL)
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//
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// This license governs use of the accompanying software. If you use the software, you accept this license.
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// If you do not accept the license, do not use the software.
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//
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// 1.Definitions
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// The terms "reproduce," "reproduction," "derivative works," and "distribution" have the same meaning
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// here as under U.S. copyright law.
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// A "contribution" is the original software, or any additions or changes to the software.
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// A "contributor" is any person that distributes its contribution under this license.
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// "Licensed patents" are a contributor's patent claims that read directly on its contribution.
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//
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// 2.Grant of Rights
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// (A) Copyright Grant- Subject to the terms of this license, including the license conditions and limitations
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// in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free copyright license to
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// reproduce its contribution, prepare derivative works of its contribution, and distribute its contribution
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// or any derivative works that you create.
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// (B) Patent Grant- Subject to the terms of this license, including the license conditions and limitations in
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// section 3, each contributor grants you a non-exclusive, worldwide, royalty-free license under its licensed
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// patents to make, have made, use, sell, offer for sale, import, and/or otherwise dispose of its contribution
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// in the software or derivative works of the contribution in the software.
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//
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// 3.Conditions and Limitations
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// (A) No Trademark License- This license does not grant you rights to use any contributors' name, logo, or trademarks.
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// (B) If you bring a patent claim against any contributor over patents that you claim are infringed by the software, your
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// patent license from such contributor to the software ends automatically.
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// (C) If you distribute any portion of the software, you must retain all copyright, patent, trademark, and attribution
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// notices that are present in the software.
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// (D) If you distribute any portion of the software in source code form, you may do so only under this license by including
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// a complete copy of this license with your distribution. If you distribute any portion of the software in compiled or
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// object code form, you may only do so under a license that complies with this license.
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// (E) The software is licensed "as-is." You bear the risk of using it. The contributors give no express warranties, guarantees,
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// or conditions. You may have additional consumer rights under your local laws which this license cannot change. To the
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// extent permitted under your local laws, the contributors exclude the implied warranties of merchantability, fitness for a
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// particular purpose and non-infringement.
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#endregion // License
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namespace ANX.InputSystem.Recording
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{
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[Flags]
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public enum MouseRecordInfo : byte
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{
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LeftButton = 1,
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RightButton = 2,
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MiddleButton = 4,
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X1Button = 8,
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X2Button = 16,
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ScrollWheel = 32,
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XPosition = 64,
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YPosition = 128,
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LRMButtons = LeftButton | RightButton | MiddleButton,
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XButtons = X1Button | X2Button,
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AllButtons = LRMButtons | XButtons,
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Position = XPosition | YPosition,
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All = AllButtons | Position | ScrollWheel
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}
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/// <summary>
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/// Used to store the ButtonStates packed to one byte.
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/// </summary>
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[Flags]
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enum MouseButtons : byte
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{
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Left = 1,
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Right = 2,
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Middle = 4,
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X1 = 8,
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X2 = 16
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}
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/// <summary>
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/// Wrapper arround another IMouse, will record all inputs and allows playback.
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/// </summary>
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public class RecordingMouse : RecordableDevice, IMouse
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{
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protected IMouse realMouse;
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protected MouseRecordInfo recordInfo;
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public IntPtr WindowHandle
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{
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get { return realMouse.WindowHandle; }
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set { realMouse.WindowHandle = value; }
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}
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public MouseState GetState() //The main recording/playback logic is placed here
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{
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switch (RecordingState)
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{
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case RecordingState.None:
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return realMouse.GetState();
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case RecordingState.Playback:
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//Read a state from the Stream and recreate the MouseState from it.
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byte[] stateData = ReadState();
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if (stateData == null) //No input at this position
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return new MouseState();
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byte readOffset = 0;
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ButtonState left, right, middle, x1, x2;
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int scrollWheel, xPos, yPos;
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if ((recordInfo & MouseRecordInfo.AllButtons) != 0) //Any of the Buttons is recorded
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{
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MouseButtons buttons = (MouseButtons)stateData[readOffset++];
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left = buttons.HasFlag(MouseButtons.Left) ? ButtonState.Pressed : ButtonState.Released;
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right = buttons.HasFlag(MouseButtons.Right) ? ButtonState.Pressed : ButtonState.Released;
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middle = buttons.HasFlag(MouseButtons.Middle) ? ButtonState.Pressed : ButtonState.Released;
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x1 = buttons.HasFlag(MouseButtons.X1) ? ButtonState.Pressed : ButtonState.Released;
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x2 = buttons.HasFlag(MouseButtons.X2) ? ButtonState.Pressed : ButtonState.Released;
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}
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else
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left = right = middle = x1 = x2 = ButtonState.Released;
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if (recordInfo.HasFlag(MouseRecordInfo.ScrollWheel))
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{
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scrollWheel = BitConverter.ToInt32(stateData, readOffset);
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readOffset += 4;
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}
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else
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scrollWheel = 0;
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if (recordInfo.HasFlag(MouseRecordInfo.XPosition))
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{
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xPos = BitConverter.ToInt32(stateData, readOffset);
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readOffset += 4;
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}
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else
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xPos = 0;
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if (recordInfo.HasFlag(MouseRecordInfo.YPosition))
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{
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yPos = BitConverter.ToInt32(stateData, readOffset);
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readOffset += 4;
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}
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else
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yPos = 0;
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return new MouseState(xPos, yPos, scrollWheel, left, middle, right, x1, x2);
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case RecordingState.Recording:
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MouseState state = realMouse.GetState();
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//Pack the state to a buffer and save it. In can be never null, because the mouse has allways a position.
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//TODO: Check if the position is not recorded
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byte[] buffer = new byte[PacketLenght];
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byte writeOffset = 0;
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if ((recordInfo & MouseRecordInfo.AllButtons) != 0) //Any of the Buttons is recorded
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{
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buffer[writeOffset] |= state.LeftButton == ButtonState.Pressed ? (byte)MouseButtons.Left : (byte)0; //TODO: Is there a byte literal? (like 118L or 91.8f)
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buffer[writeOffset] |= state.RightButton == ButtonState.Pressed ? (byte)MouseButtons.Right : (byte)0;
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buffer[writeOffset] |= state.MiddleButton == ButtonState.Pressed ? (byte)MouseButtons.Middle : (byte)0;
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buffer[writeOffset] |= state.XButton1 == ButtonState.Pressed ? (byte)MouseButtons.X1 : (byte)0;
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buffer[writeOffset] |= state.XButton2 == ButtonState.Pressed ? (byte)MouseButtons.X2 : (byte)0;
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writeOffset++;
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}
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if (recordInfo.HasFlag(MouseRecordInfo.ScrollWheel))
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{
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Array.ConstrainedCopy(BitConverter.GetBytes(state.ScrollWheelValue), 0, buffer, writeOffset, 4); //int is always 4 byte long.
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writeOffset += 4;
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}
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if (recordInfo.HasFlag(MouseRecordInfo.XPosition))
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{
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Array.ConstrainedCopy(BitConverter.GetBytes(state.X), 0, buffer, writeOffset, 4); //int is always 4 byte long.
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writeOffset += 4;
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}
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if (recordInfo.HasFlag(MouseRecordInfo.YPosition))
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{
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Array.ConstrainedCopy(BitConverter.GetBytes(state.Y), 0, buffer, writeOffset, 4); //int is always 4 byte long.
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writeOffset += 4;
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}
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WriteState(buffer);
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return state;
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default:
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throw new InvalidOperationException("The recordingState is invalid!");
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}
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}
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public void SetPosition(int x, int y)
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{
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//We just pass this call the underlying IMouse, unless we are in Playback mode (we don't want the Mouse to jump arround during playback)
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//There is no need in recording this calls, as they are reflected in the next frame's Mouse position.
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if (RecordingState != RecordingState.Playback)
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realMouse.SetPosition(x, y);
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}
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/// <summary>
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/// Intializes this instance using a new MemoryStream as the Buffer, the
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/// default's InputSystems Mouse and the passed MouseRecordInfo.
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/// </summary>
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public void Initialize(MouseRecordInfo info)
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{
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this.Initialize(info, new MemoryStream(), AddInSystemFactory.Instance.GetDefaultCreator<IInputSystemCreator>().Mouse);
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}
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/// <summary>
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/// Intializes this instance using a new MemoryStream as the Buffer,recording
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/// the passed IMouse, using the passed MouseRecordInfo.
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/// </summary>
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public void Initialize(MouseRecordInfo info, IMouse mouse)
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{
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this.Initialize(info, new MemoryStream(), mouse);
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}
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/// <summary>
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/// Intializes this instance using the passed Stream as the Buffer, the
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/// default's InputSystems Mouse and the passed MouseRecordInfo.
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/// </summary>
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public void Initialize(MouseRecordInfo info, Stream bufferStream)
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{
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this.Initialize(info, bufferStream, AddInSystemFactory.Instance.GetDefaultCreator<IInputSystemCreator>().Mouse);
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}
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/// <summary>
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/// Intializes this instance using the passed Stream as the Buffer, recording
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/// the passed IMouse, using the passed MouseRecordInfo.
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/// </summary>
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public void Initialize(MouseRecordInfo info, Stream bufferStream, IMouse mouse)
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{
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realMouse = mouse;
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recordInfo = info;
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PacketLenght = GetPaketSize(info);
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base.Initialize(bufferStream);
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}
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private int GetPaketSize(MouseRecordInfo info)
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{
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int ret = 0;
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if ((info & MouseRecordInfo.AllButtons) != 0) //We pack all Buttons in one byte, so it does not matter witch buttons are set.
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ret += sizeof(byte);
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if (info.HasFlag(MouseRecordInfo.XPosition))
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ret += sizeof(int);
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if (info.HasFlag(MouseRecordInfo.YPosition))
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ret += sizeof(int);
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if (info.HasFlag(MouseRecordInfo.ScrollWheel))
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ret += sizeof(int);
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return ret;
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}
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}
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}
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