286 lines
12 KiB
C#
286 lines
12 KiB
C#
//=== === Copyright 1996-2004, Valve Corporation, All rights reserved. =======
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//
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// Purpose:
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//
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//=============================================================================
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using System;
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using System.Runtime.InteropServices;
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namespace Valve.SteamVRInterop
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{
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class NativeEntrypoints
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{
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_GetWindowBounds")]
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internal static extern void SteamAPI_IHmd_GetWindowBounds(IntPtr instancePtr, ref int32_t pnX, ref int32_t pnY, ref uint32_t pnWidth, ref uint32_t pnHeight);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_GetRecommendedRenderTargetSize")]
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internal static extern void SteamAPI_IHmd_GetRecommendedRenderTargetSize(IntPtr instancePtr, ref uint32_t pnWidth, ref uint32_t pnHeight);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_GetEyeOutputViewport")]
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internal static extern void SteamAPI_IHmd_GetEyeOutputViewport(IntPtr instancePtr, vr::Hmd_Eye eEye, ref uint32_t pnX, ref uint32_t pnY, ref uint32_t pnWidth, ref uint32_t pnHeight);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_GetProjectionMatrix")]
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internal static extern vr::HmdMatrix44_t SteamAPI_IHmd_GetProjectionMatrix(IntPtr instancePtr, vr::Hmd_Eye eEye, float fNearZ, float fFarZ, vr::GraphicsAPIConvention eProjType);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_GetProjectionRaw")]
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internal static extern void SteamAPI_IHmd_GetProjectionRaw(IntPtr instancePtr, vr::Hmd_Eye eEye, ref float pfLeft, ref float pfRight, ref float pfTop, ref float pfBottom);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_ComputeDistortion")]
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internal static extern vr::DistortionCoordinates_t SteamAPI_IHmd_ComputeDistortion(IntPtr instancePtr, vr::Hmd_Eye eEye, float fU, float fV);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_GetHeadFromEyePose")]
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internal static extern vr::HmdMatrix34_t SteamAPI_IHmd_GetHeadFromEyePose(IntPtr instancePtr, vr::Hmd_Eye eEye);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_GetViewMatrix")]
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internal static extern bool SteamAPI_IHmd_GetViewMatrix(IntPtr instancePtr, float fSecondsFromNow, ref vr::HmdMatrix44_t pMatLeftView, ref vr::HmdMatrix44_t pMatRightView, ref vr::HmdTrackingResult peResult);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_GetD3D9AdapterIndex")]
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internal static extern int32_t SteamAPI_IHmd_GetD3D9AdapterIndex(IntPtr instancePtr);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_GetDXGIOutputInfo")]
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internal static extern void SteamAPI_IHmd_GetDXGIOutputInfo(IntPtr instancePtr, ref int32_t pnAdapterIndex, ref int32_t pnAdapterOutputIndex);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_AttachToWindow")]
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internal static extern void SteamAPI_IHmd_AttachToWindow(IntPtr instancePtr, IntPtr hWnd);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_GetTrackerFromHeadPose")]
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internal static extern bool SteamAPI_IHmd_GetTrackerFromHeadPose(IntPtr instancePtr, float fPredictedSecondsFromNow, ref vr::HmdMatrix34_t pmPose, ref vr::HmdTrackingResult peResult);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_GetLastTrackerFromHeadPose")]
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internal static extern bool SteamAPI_IHmd_GetLastTrackerFromHeadPose(IntPtr instancePtr, ref vr::HmdMatrix34_t pmPose);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_WillDriftInYaw")]
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internal static extern bool SteamAPI_IHmd_WillDriftInYaw(IntPtr instancePtr);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_ZeroTracker")]
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internal static extern void SteamAPI_IHmd_ZeroTracker(IntPtr instancePtr);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_GetTrackerZeroPose")]
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internal static extern vr::HmdMatrix34_t SteamAPI_IHmd_GetTrackerZeroPose(IntPtr instancePtr);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_GetDriverId")]
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internal static extern uint32_t SteamAPI_IHmd_GetDriverId(IntPtr instancePtr, string pchBuffer, uint32_t unBufferLen);
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_IHmd_GetDisplayId")]
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internal static extern uint32_t SteamAPI_IHmd_GetDisplayId(IntPtr instancePtr, string pchBuffer, uint32_t unBufferLen);
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}
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public abstract class IHmd
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{
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public abstract void GetWindowBounds(out int32_t pnX,out int32_t pnY,out uint32_t pnWidth,out uint32_t pnHeight);
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public abstract void GetRecommendedRenderTargetSize(out uint32_t pnWidth,out uint32_t pnHeight);
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public abstract void GetEyeOutputViewport(vr::Hmd_Eye eEye,out uint32_t pnX,out uint32_t pnY,out uint32_t pnWidth,out uint32_t pnHeight);
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public abstract vr::HmdMatrix44_t GetProjectionMatrix(vr::Hmd_Eye eEye,float fNearZ,float fFarZ,vr::GraphicsAPIConvention eProjType);
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public abstract void GetProjectionRaw(vr::Hmd_Eye eEye,out float pfLeft,out float pfRight,out float pfTop,out float pfBottom);
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public abstract vr::DistortionCoordinates_t ComputeDistortion(vr::Hmd_Eye eEye,float fU,float fV);
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public abstract vr::HmdMatrix34_t GetHeadFromEyePose(vr::Hmd_Eye eEye);
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public abstract bool GetViewMatrix(float fSecondsFromNow,out vr::HmdMatrix44_t pMatLeftView,out vr::HmdMatrix44_t pMatRightView,out vr::HmdTrackingResult peResult);
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public abstract int32_t GetD3D9AdapterIndex();
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public abstract void GetDXGIOutputInfo(out int32_t pnAdapterIndex,out int32_t pnAdapterOutputIndex);
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public abstract void AttachToWindow(IntPtr hWnd);
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public abstract bool GetTrackerFromHeadPose(float fPredictedSecondsFromNow,out vr::HmdMatrix34_t pmPose,out vr::HmdTrackingResult peResult);
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public abstract bool GetLastTrackerFromHeadPose(out vr::HmdMatrix34_t pmPose);
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public abstract bool WillDriftInYaw();
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public abstract void ZeroTracker();
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public abstract vr::HmdMatrix34_t GetTrackerZeroPose();
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public abstract uint32_t GetDriverId(string pchBuffer,uint32_t unBufferLen);
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public abstract uint32_t GetDisplayId(string pchBuffer,uint32_t unBufferLen);
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}
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public class CHmd : IHmd
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{
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public CHmd(IntPtr hmd)
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{
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m_hmd = hmd;
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}
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IntPtr m_hmd;
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private void CheckIfUsable()
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{
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if (m_hmd == IntPtr.Zero)
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{
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throw new Exception("Steam Pointer not configured");
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}
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}
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public override void GetWindowBounds(out int32_t pnX,out int32_t pnY,out uint32_t pnWidth,out uint32_t pnHeight)
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{
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CheckIfUsable();
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NativeEntrypoints.SteamAPI_IHmd_GetWindowBounds(m_hmd,ref pnX,ref pnY,ref pnWidth,ref pnHeight);
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}
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public override void GetRecommendedRenderTargetSize(out uint32_t pnWidth,out uint32_t pnHeight)
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{
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CheckIfUsable();
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NativeEntrypoints.SteamAPI_IHmd_GetRecommendedRenderTargetSize(m_hmd,ref pnWidth,ref pnHeight);
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}
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public override void GetEyeOutputViewport(vr::Hmd_Eye eEye,out uint32_t pnX,out uint32_t pnY,out uint32_t pnWidth,out uint32_t pnHeight)
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{
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CheckIfUsable();
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NativeEntrypoints.SteamAPI_IHmd_GetEyeOutputViewport(m_hmd,eEye,ref pnX,ref pnY,ref pnWidth,ref pnHeight);
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}
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public override vr::HmdMatrix44_t GetProjectionMatrix(vr::Hmd_Eye eEye,float fNearZ,float fFarZ,vr::GraphicsAPIConvention eProjType)
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{
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CheckIfUsable();
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vr::HmdMatrix44_t result = NativeEntrypoints.SteamAPI_IHmd_GetProjectionMatrix(m_hmd,eEye,fNearZ,fFarZ,eProjType);
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return result;
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}
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public override void GetProjectionRaw(vr::Hmd_Eye eEye,out float pfLeft,out float pfRight,out float pfTop,out float pfBottom)
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{
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CheckIfUsable();
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pfLeft = 0;
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pfRight = 0;
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pfTop = 0;
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pfBottom = 0;
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NativeEntrypoints.SteamAPI_IHmd_GetProjectionRaw(m_hmd,eEye,ref pfLeft,ref pfRight,ref pfTop,ref pfBottom);
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}
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public override vr::DistortionCoordinates_t ComputeDistortion(vr::Hmd_Eye eEye,float fU,float fV)
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{
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CheckIfUsable();
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vr::DistortionCoordinates_t result = NativeEntrypoints.SteamAPI_IHmd_ComputeDistortion(m_hmd,eEye,fU,fV);
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return result;
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}
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public override vr::HmdMatrix34_t GetHeadFromEyePose(vr::Hmd_Eye eEye)
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{
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CheckIfUsable();
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vr::HmdMatrix34_t result = NativeEntrypoints.SteamAPI_IHmd_GetHeadFromEyePose(m_hmd,eEye);
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return result;
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}
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public override bool GetViewMatrix(float fSecondsFromNow,out vr::HmdMatrix44_t pMatLeftView,out vr::HmdMatrix44_t pMatRightView,out vr::HmdTrackingResult peResult)
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{
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CheckIfUsable();
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bool result = NativeEntrypoints.SteamAPI_IHmd_GetViewMatrix(m_hmd,fSecondsFromNow,ref pMatLeftView,ref pMatRightView,ref peResult);
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return result;
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}
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public override int32_t GetD3D9AdapterIndex()
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{
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CheckIfUsable();
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int32_t result = NativeEntrypoints.SteamAPI_IHmd_GetD3D9AdapterIndex(m_hmd);
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return result;
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}
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public override void GetDXGIOutputInfo(out int32_t pnAdapterIndex,out int32_t pnAdapterOutputIndex)
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{
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CheckIfUsable();
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NativeEntrypoints.SteamAPI_IHmd_GetDXGIOutputInfo(m_hmd,ref pnAdapterIndex,ref pnAdapterOutputIndex);
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}
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public override void AttachToWindow(IntPtr hWnd)
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{
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CheckIfUsable();
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NativeEntrypoints.SteamAPI_IHmd_AttachToWindow(m_hmd,hWnd);
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}
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public override bool GetTrackerFromHeadPose(float fPredictedSecondsFromNow,out vr::HmdMatrix34_t pmPose,out vr::HmdTrackingResult peResult)
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{
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CheckIfUsable();
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bool result = NativeEntrypoints.SteamAPI_IHmd_GetTrackerFromHeadPose(m_hmd,fPredictedSecondsFromNow,ref pmPose,ref peResult);
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return result;
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}
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public override bool GetLastTrackerFromHeadPose(out vr::HmdMatrix34_t pmPose)
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{
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CheckIfUsable();
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bool result = NativeEntrypoints.SteamAPI_IHmd_GetLastTrackerFromHeadPose(m_hmd,ref pmPose);
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return result;
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}
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public override bool WillDriftInYaw()
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{
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CheckIfUsable();
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bool result = NativeEntrypoints.SteamAPI_IHmd_WillDriftInYaw(m_hmd);
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return result;
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}
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public override void ZeroTracker()
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{
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CheckIfUsable();
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NativeEntrypoints.SteamAPI_IHmd_ZeroTracker(m_hmd);
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}
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public override vr::HmdMatrix34_t GetTrackerZeroPose()
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{
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CheckIfUsable();
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vr::HmdMatrix34_t result = NativeEntrypoints.SteamAPI_IHmd_GetTrackerZeroPose(m_hmd);
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return result;
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}
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public override uint32_t GetDriverId(string pchBuffer,uint32_t unBufferLen)
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{
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CheckIfUsable();
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uint32_t result = NativeEntrypoints.SteamAPI_IHmd_GetDriverId(m_hmd,pchBuffer,unBufferLen);
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return result;
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}
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public override uint32_t GetDisplayId(string pchBuffer,uint32_t unBufferLen)
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{
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CheckIfUsable();
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uint32_t result = NativeEntrypoints.SteamAPI_IHmd_GetDisplayId(m_hmd,pchBuffer,unBufferLen);
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return result;
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}
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}
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public class SteamVRInterop
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{
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[DllImportAttribute("Steam_api", EntryPoint = "VR_Init")]
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internal static extern IntPtr VR_Init(out HmdError peError);
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[DllImportAttribute("Steam_api", EntryPoint = "VR_Shutdown")]
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internal static extern void VR_Shutdown();
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[DllImportAttribute("Steam_api", EntryPoint = "VR_IsHmdPresent")]
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internal static extern bool VR_IsHmdPresent();
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[DllImportAttribute("Steam_api", EntryPoint = "SteamAPI_UnregisterCallback")]
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internal static extern string VR_GetStringForHmdError(HmdError error);
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[DllImportAttribute("Steam_api", EntryPoint = "Hmd")]
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internal static extern IntPtr Hmd();
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}
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public enum Hmd_Eye
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{
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Eye_Left = 0,
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Eye_Right = 1,
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}
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public enum GraphicsAPIConvention
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{
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API_DirectX = 0,
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API_OpenGL = 1,
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}
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public enum HmdTrackingResult
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{
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TrackingResult_Uninitialized = 1,
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TrackingResult_Calibrating_InProgress = 100,
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TrackingResult_Calibrating_OutOfRange = 101,
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TrackingResult_Running_OK = 200,
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TrackingResult_Running_OutOfRange = 201,
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}
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public enum HmdError
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{
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HmdError_None = 0,
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HmdError_Init_InstallationNotFound = 100,
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HmdError_Init_InstallationCorrupt = 101,
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HmdError_Init_VRClientDLLNotFound = 102,
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HmdError_Init_FileNotFound = 103,
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HmdError_Init_FactoryNotFound = 104,
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HmdError_Init_InterfaceNotFound = 105,
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HmdError_Init_InvalidInterface = 106,
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HmdError_Init_UserConfigDirectoryInvalid = 107,
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HmdError_Init_HmdNotFound = 108,
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HmdError_Init_NotInitialized = 109,
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HmdError_Driver_Failed = 200,
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HmdError_Driver_Unknown = 201,
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HmdError_Driver_HmdUnknown = 202,
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HmdError_Driver_NotLoaded = 203,
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HmdError_IPC_ServerInitFailed = 300,
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HmdError_IPC_ConnectFailed = 301,
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HmdError_IPC_SharedStateInitFailed = 302,
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HmdError_VendorSpecific_UnableToConnectToOculusRuntime = 1000,
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}
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[StructLayout(LayoutKind.Sequential)] public struct HmdMatrix34_t
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{
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public float m;
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}
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[StructLayout(LayoutKind.Sequential)] public struct HmdMatrix44_t
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{
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public float m;
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}
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[StructLayout(LayoutKind.Sequential)] public struct DistortionCoordinates_t
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{
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public float rfRed;
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public float rfGreen;
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public float rfBlue;
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}
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public class SteamVR
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{
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public static IHMD Init(out HmdError peError)
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{
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return new CHMD(VR_Init(out peError));
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}
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}
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}
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