264 lines
12 KiB
C#
264 lines
12 KiB
C#
using ChocolArm64.Memory;
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using Ryujinx.Core.OsHle.Handles;
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using System;
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namespace Ryujinx.Core.Input
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{
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public class Hid
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{
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/*
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* Reference:
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* https://github.com/reswitched/libtransistor/blob/development/lib/hid.c
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* https://github.com/reswitched/libtransistor/blob/development/include/libtransistor/hid.h
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* https://github.com/switchbrew/libnx/blob/master/nx/source/services/hid.c
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* https://github.com/switchbrew/libnx/blob/master/nx/include/switch/services/hid.h
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*/
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private const int HidHeaderSize = 0x400;
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private const int HidTouchScreenSize = 0x3000;
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private const int HidMouseSize = 0x400;
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private const int HidKeyboardSize = 0x400;
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private const int HidUnkSection1Size = 0x400;
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private const int HidUnkSection2Size = 0x400;
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private const int HidUnkSection3Size = 0x400;
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private const int HidUnkSection4Size = 0x400;
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private const int HidUnkSection5Size = 0x200;
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private const int HidUnkSection6Size = 0x200;
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private const int HidUnkSection7Size = 0x200;
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private const int HidUnkSection8Size = 0x800;
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private const int HidControllerSerialsSize = 0x4000;
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private const int HidControllersSize = 0x32000;
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private const int HidUnkSection9Size = 0x800;
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private const int HidTouchHeaderSize = 0x28;
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private const int HidTouchEntrySize = 0x298;
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private const int HidTouchEntryHeaderSize = 0x10;
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private const int HidTouchEntryTouchSize = 0x28;
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private const int HidControllerSize = 0x5000;
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private const int HidControllerHeaderSize = 0x28;
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private const int HidControllerLayoutsSize = 0x350;
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private const int HidControllersLayoutHeaderSize = 0x20;
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private const int HidControllersInputEntrySize = 0x30;
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private const int HidHeaderOffset = 0;
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private const int HidTouchScreenOffset = HidHeaderOffset + HidHeaderSize;
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private const int HidMouseOffset = HidTouchScreenOffset + HidTouchScreenSize;
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private const int HidKeyboardOffset = HidMouseOffset + HidMouseSize;
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private const int HidUnkSection1Offset = HidKeyboardOffset + HidKeyboardSize;
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private const int HidUnkSection2Offset = HidUnkSection1Offset + HidUnkSection1Size;
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private const int HidUnkSection3Offset = HidUnkSection2Offset + HidUnkSection2Size;
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private const int HidUnkSection4Offset = HidUnkSection3Offset + HidUnkSection3Size;
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private const int HidUnkSection5Offset = HidUnkSection4Offset + HidUnkSection4Size;
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private const int HidUnkSection6Offset = HidUnkSection5Offset + HidUnkSection5Size;
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private const int HidUnkSection7Offset = HidUnkSection6Offset + HidUnkSection6Size;
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private const int HidUnkSection8Offset = HidUnkSection7Offset + HidUnkSection7Size;
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private const int HidControllerSerialsOffset = HidUnkSection8Offset + HidUnkSection8Size;
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private const int HidControllersOffset = HidControllerSerialsOffset + HidControllerSerialsSize;
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private const int HidUnkSection9Offset = HidControllersOffset + HidControllersSize;
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private const int HidEntryCount = 17;
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private object ShMemLock;
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private (AMemory, long)[] ShMemPositions;
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public Hid()
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{
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ShMemLock = new object();
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ShMemPositions = new (AMemory, long)[0];
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}
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internal void ShMemMap(object sender, EventArgs e)
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{
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HSharedMem SharedMem = (HSharedMem)sender;
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lock (ShMemLock)
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{
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ShMemPositions = SharedMem.GetVirtualPositions();
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(AMemory Memory, long Position) ShMem = ShMemPositions[ShMemPositions.Length - 1];
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Logging.Info($"HID shared memory successfully mapped to 0x{ShMem.Position:x16}!");
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Init(ShMem.Memory, ShMem.Position);
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}
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}
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internal void ShMemUnmap(object sender, EventArgs e)
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{
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HSharedMem SharedMem = (HSharedMem)sender;
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lock (ShMemLock)
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{
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ShMemPositions = SharedMem.GetVirtualPositions();
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}
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}
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private void Init(AMemory Memory, long Position)
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{
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InitializeJoyconPair(
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Memory,
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Position,
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JoyConColor.Body_Neon_Red,
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JoyConColor.Buttons_Neon_Red,
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JoyConColor.Body_Neon_Blue,
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JoyConColor.Buttons_Neon_Blue);
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}
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private void InitializeJoyconPair(
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AMemory Memory,
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long Position,
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JoyConColor LeftColorBody,
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JoyConColor LeftColorButtons,
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JoyConColor RightColorBody,
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JoyConColor RightColorButtons)
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{
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long BaseControllerOffset = Position + HidControllersOffset + 8 * HidControllerSize;
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HidControllerType Type =
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HidControllerType.ControllerType_Handheld |
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HidControllerType.ControllerType_JoyconPair;
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bool IsHalf = false;
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HidControllerColorDesc SingleColorDesc =
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HidControllerColorDesc.ColorDesc_ColorsNonexistent;
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JoyConColor SingleColorBody = JoyConColor.Black;
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JoyConColor SingleColorButtons = JoyConColor.Black;
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HidControllerColorDesc SplitColorDesc = 0;
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Memory.WriteInt32Unchecked(BaseControllerOffset + 0x0, (int)Type);
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Memory.WriteInt32Unchecked(BaseControllerOffset + 0x4, IsHalf ? 1 : 0);
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Memory.WriteInt32Unchecked(BaseControllerOffset + 0x8, (int)SingleColorDesc);
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Memory.WriteInt32Unchecked(BaseControllerOffset + 0xc, (int)SingleColorBody);
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Memory.WriteInt32Unchecked(BaseControllerOffset + 0x10, (int)SingleColorButtons);
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Memory.WriteInt32Unchecked(BaseControllerOffset + 0x14, (int)SplitColorDesc);
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Memory.WriteInt32Unchecked(BaseControllerOffset + 0x18, (int)LeftColorBody);
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Memory.WriteInt32Unchecked(BaseControllerOffset + 0x1c, (int)LeftColorButtons);
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Memory.WriteInt32Unchecked(BaseControllerOffset + 0x20, (int)RightColorBody);
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Memory.WriteInt32Unchecked(BaseControllerOffset + 0x24, (int)RightColorButtons);
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}
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public void SetJoyconButton(
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HidControllerId ControllerId,
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HidControllerLayouts ControllerLayout,
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HidControllerButtons Buttons,
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HidJoystickPosition LeftStick,
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HidJoystickPosition RightStick)
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{
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lock (ShMemLock)
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{
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foreach ((AMemory Memory, long Position) in ShMemPositions)
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{
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long ControllerOffset = Position + HidControllersOffset;
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ControllerOffset += (int)ControllerId * HidControllerSize;
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ControllerOffset += HidControllerHeaderSize;
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ControllerOffset += (int)ControllerLayout * HidControllerLayoutsSize;
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long LastEntry = Memory.ReadInt64Unchecked(ControllerOffset + 0x10);
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long CurrEntry = (LastEntry + 1) % HidEntryCount;
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long Timestamp = GetTimestamp();
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Memory.WriteInt64Unchecked(ControllerOffset + 0x0, Timestamp);
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Memory.WriteInt64Unchecked(ControllerOffset + 0x8, HidEntryCount);
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Memory.WriteInt64Unchecked(ControllerOffset + 0x10, CurrEntry);
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Memory.WriteInt64Unchecked(ControllerOffset + 0x18, HidEntryCount - 1);
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ControllerOffset += HidControllersLayoutHeaderSize;
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ControllerOffset += CurrEntry * HidControllersInputEntrySize;
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Memory.WriteInt64Unchecked(ControllerOffset + 0x0, Timestamp);
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Memory.WriteInt64Unchecked(ControllerOffset + 0x8, Timestamp);
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Memory.WriteInt64Unchecked(ControllerOffset + 0x10, (uint)Buttons);
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Memory.WriteInt32Unchecked(ControllerOffset + 0x18, LeftStick.DX);
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Memory.WriteInt32Unchecked(ControllerOffset + 0x1c, LeftStick.DY);
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Memory.WriteInt64Unchecked(ControllerOffset + 0x20, RightStick.DX);
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Memory.WriteInt64Unchecked(ControllerOffset + 0x24, RightStick.DY);
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Memory.WriteInt64Unchecked(ControllerOffset + 0x28,
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(uint)HidControllerConnState.Controller_State_Connected |
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(uint)HidControllerConnState.Controller_State_Wired);
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}
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}
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}
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public void SetTouchPoints(params HidTouchPoint[] Points)
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{
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lock (ShMemLock)
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{
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foreach ((AMemory Memory, long Position) in ShMemPositions)
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{
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long TouchScreenOffset = Position + HidTouchScreenOffset;
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long LastEntry = Memory.ReadInt64Unchecked(TouchScreenOffset + 0x10);
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long CurrEntry = (LastEntry + 1) % HidEntryCount;
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long Timestamp = GetTimestamp();
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Memory.WriteInt64Unchecked(TouchScreenOffset + 0x0, Timestamp);
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Memory.WriteInt64Unchecked(TouchScreenOffset + 0x8, HidEntryCount);
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Memory.WriteInt64Unchecked(TouchScreenOffset + 0x10, CurrEntry);
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Memory.WriteInt64Unchecked(TouchScreenOffset + 0x18, HidEntryCount - 1);
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Memory.WriteInt64Unchecked(TouchScreenOffset + 0x20, Timestamp);
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long TouchEntryOffset = TouchScreenOffset + HidTouchHeaderSize;
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long LastEntryOffset = TouchEntryOffset + LastEntry * HidTouchEntrySize;
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long SampleCounter = Memory.ReadInt64Unchecked(LastEntryOffset) + 1;
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TouchEntryOffset += CurrEntry * HidTouchEntrySize;
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Memory.WriteInt64Unchecked(TouchEntryOffset + 0x0, SampleCounter);
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Memory.WriteInt64Unchecked(TouchEntryOffset + 0x8, Points.Length);
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TouchEntryOffset += HidTouchEntryHeaderSize;
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const int Padding = 0;
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int Index = 0;
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foreach (HidTouchPoint Point in Points)
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{
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Memory.WriteInt64Unchecked(TouchEntryOffset + 0x0, Timestamp);
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Memory.WriteInt32Unchecked(TouchEntryOffset + 0x8, Padding);
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Memory.WriteInt32Unchecked(TouchEntryOffset + 0xc, Index++);
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Memory.WriteInt32Unchecked(TouchEntryOffset + 0x10, Point.X);
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Memory.WriteInt32Unchecked(TouchEntryOffset + 0x14, Point.Y);
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Memory.WriteInt32Unchecked(TouchEntryOffset + 0x18, Point.DiameterX);
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Memory.WriteInt32Unchecked(TouchEntryOffset + 0x1c, Point.DiameterY);
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Memory.WriteInt32Unchecked(TouchEntryOffset + 0x20, Point.Angle);
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Memory.WriteInt32Unchecked(TouchEntryOffset + 0x24, Padding);
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TouchEntryOffset += HidTouchEntryTouchSize;
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}
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}
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}
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}
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private static long GetTimestamp()
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{
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return (long)((ulong)Environment.TickCount * 19_200);
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}
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}
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} |