Rasagar/Library/PackageCache/com.unity.inputsystem/InputSystem/Plugins/XR/Haptics/SendBufferedHapticsCommand.cs
2024-08-26 23:07:20 +03:00

57 lines
2.1 KiB
C#

// ENABLE_VR is not defined on Game Core but the assembly is available with limited features when the XR module is enabled.
#if UNITY_INPUT_SYSTEM_ENABLE_XR && (ENABLE_VR || UNITY_GAMECORE) || PACKAGE_DOCS_GENERATION
using System.Runtime.InteropServices;
using UnityEngine.InputSystem.LowLevel;
using UnityEngine.InputSystem.Utilities;
namespace UnityEngine.InputSystem.XR.Haptics
{
[StructLayout(LayoutKind.Explicit, Size = kSize)]
public unsafe struct SendBufferedHapticCommand : IInputDeviceCommandInfo
{
static FourCC Type => new FourCC('X', 'H', 'U', '0');
private const int kMaxHapticBufferSize = 1024;
private const int kSize = InputDeviceCommand.kBaseCommandSize + (sizeof(int) * 2) + (kMaxHapticBufferSize * sizeof(byte));
public FourCC typeStatic => Type;
[FieldOffset(0)]
private InputDeviceCommand baseCommand;
[FieldOffset(InputDeviceCommand.kBaseCommandSize)]
private int channel;
[FieldOffset(InputDeviceCommand.kBaseCommandSize + sizeof(int))]
private int bufferSize;
[FieldOffset(InputDeviceCommand.kBaseCommandSize + (sizeof(int) * 2))]
private fixed byte buffer[kMaxHapticBufferSize];
public static SendBufferedHapticCommand Create(byte[] rumbleBuffer)
{
if (rumbleBuffer == null)
throw new System.ArgumentNullException(nameof(rumbleBuffer));
var rumbleBufferSize = Mathf.Min(kMaxHapticBufferSize, rumbleBuffer.Length);
var newCommand = new SendBufferedHapticCommand
{
baseCommand = new InputDeviceCommand(Type, kSize),
bufferSize = rumbleBufferSize
};
//TODO TOMB: There must be a more effective, bulk copy operation for fixed buffers than this.
//Replace if found.
var commandPtr = &newCommand;
fixed(byte* src = rumbleBuffer)
{
for (int cpyIndex = 0; cpyIndex < rumbleBufferSize; cpyIndex++)
commandPtr->buffer[cpyIndex] = src[cpyIndex];
}
return newCommand;
}
}
}
#endif