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364 lines
12 KiB
364 lines
12 KiB
3 years ago
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//========= Copyright 2016-2018, HTC Corporation. All rights reserved. ===========
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using HTC.UnityPlugin.Utility;
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using System.Collections.Generic;
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using UnityEngine;
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namespace HTC.UnityPlugin.VRModuleManagement
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{
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public partial class VRModule : SingletonBehaviour<VRModule>
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{
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private static readonly DeviceState s_defaultState;
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private static readonly SimulatorVRModule s_simulator;
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private static readonly Dictionary<string, uint> s_deviceSerialNumberTable = new Dictionary<string, uint>((int)MAX_DEVICE_COUNT);
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[SerializeField]
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private bool m_dontDestroyOnLoad = true;
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[SerializeField]
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private bool m_lockPhysicsUpdateRateToRenderFrequency = true;
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[SerializeField]
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private VRModuleSelectEnum m_selectModule = VRModuleSelectEnum.Auto;
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[SerializeField]
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private VRModuleTrackingSpaceType m_trackingSpaceType = VRModuleTrackingSpaceType.RoomScale;
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[SerializeField]
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private NewPosesEvent m_onNewPoses = new NewPosesEvent();
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[SerializeField]
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private ControllerRoleChangedEvent m_onControllerRoleChanged = new ControllerRoleChangedEvent();
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[SerializeField]
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private InputFocusEvent m_onInputFocus = new InputFocusEvent();
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[SerializeField]
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private DeviceConnectedEvent m_onDeviceConnected = new DeviceConnectedEvent();
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[SerializeField]
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private ActiveModuleChangedEvent m_onActiveModuleChanged = new ActiveModuleChangedEvent();
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private bool m_isUpdating = false;
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private bool m_isDestoryed = false;
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private ModuleBase[] m_modules;
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private VRModuleActiveEnum m_activatedModule = VRModuleActiveEnum.Uninitialized;
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private ModuleBase m_activatedModuleBase;
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private DeviceState[] m_prevStates;
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private DeviceState[] m_currStates;
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static VRModule()
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{
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SetDefaultInitGameObjectGetter(GetDefaultInitGameObject);
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s_defaultState = new DeviceState(INVALID_DEVICE_INDEX);
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s_simulator = new SimulatorVRModule();
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}
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private static GameObject GetDefaultInitGameObject()
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{
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return new GameObject("[ViveInputUtility]");
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}
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public static GameObject GetInstanceGameObject()
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{
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return Instance.gameObject;
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}
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protected override void OnSingletonBehaviourInitialized()
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{
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if (m_dontDestroyOnLoad && transform.parent == null && Application.isPlaying)
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{
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DontDestroyOnLoad(gameObject);
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}
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m_activatedModule = VRModuleActiveEnum.Uninitialized;
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m_activatedModuleBase = null;
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m_modules = new ModuleBase[EnumUtils.GetMaxValue(typeof(VRModuleActiveEnum)) + 1];
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m_modules[(int)VRModuleActiveEnum.None] = new DefaultModule();
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m_modules[(int)VRModuleActiveEnum.Simulator] = s_simulator;
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m_modules[(int)VRModuleActiveEnum.UnityNativeVR] = new UnityEngineVRModule();
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m_modules[(int)VRModuleActiveEnum.SteamVR] = new SteamVRModule();
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m_modules[(int)VRModuleActiveEnum.OculusVR] = new OculusVRModule();
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m_modules[(int)VRModuleActiveEnum.DayDream] = new GoogleVRModule();
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m_modules[(int)VRModuleActiveEnum.WaveVR] = new WaveVRModule();
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s_deviceSerialNumberTable.Clear();
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m_currStates = new DeviceState[MAX_DEVICE_COUNT];
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for (var i = 0u; i < MAX_DEVICE_COUNT; ++i) { m_currStates[i] = new DeviceState(i); }
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m_prevStates = new DeviceState[MAX_DEVICE_COUNT];
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for (var i = 0u; i < MAX_DEVICE_COUNT; ++i) { m_prevStates[i] = new DeviceState(i); }
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}
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private void Update()
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{
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if (!IsInstance) { return; }
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m_isUpdating = true;
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// Get should activate module
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var shouldActivateModule = GetShouldActivateModule();
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// Update module activity
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if (m_activatedModule != shouldActivateModule)
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{
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// Do clean up
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if (m_activatedModule != VRModuleActiveEnum.Uninitialized)
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{
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DeactivateModule();
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}
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if (shouldActivateModule != VRModuleActiveEnum.Uninitialized)
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{
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ActivateModule(shouldActivateModule);
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}
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}
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if (m_activatedModule != VRModuleActiveEnum.Uninitialized)
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{
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m_activatedModuleBase.Update();
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}
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if (m_isDestoryed)
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{
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DeactivateModule();
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}
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m_isUpdating = false;
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}
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protected override void OnDestroy()
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{
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if (IsInstance)
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{
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m_isDestoryed = true;
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if (!m_isUpdating)
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{
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DeactivateModule();
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}
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}
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base.OnDestroy();
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}
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private VRModuleActiveEnum GetShouldActivateModule()
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{
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if (m_selectModule == VRModuleSelectEnum.Auto)
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{
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for (int i = m_modules.Length - 1; i >= 0; --i)
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{
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if (m_modules[i] != null && m_modules[i].ShouldActiveModule())
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{
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return (VRModuleActiveEnum)i;
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}
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}
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}
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else if ((int)m_selectModule >= 0 && (int)m_selectModule < m_modules.Length)
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{
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return (VRModuleActiveEnum)m_selectModule;
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}
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else
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{
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return VRModuleActiveEnum.None;
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}
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return VRModuleActiveEnum.Uninitialized;
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}
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private void ActivateModule(VRModuleActiveEnum module)
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{
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if (m_activatedModule != VRModuleActiveEnum.Uninitialized)
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{
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Debug.LogError("Must deactivate before activate module! Current activatedModule:" + m_activatedModule);
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return;
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}
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if (module == VRModuleActiveEnum.Uninitialized)
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{
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Debug.LogError("Activate module cannot be Uninitialized! Use DeactivateModule instead");
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return;
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}
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m_activatedModule = module;
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m_activatedModuleBase = m_modules[(int)module];
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m_activatedModuleBase.OnActivated();
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VRModule.InvokeActiveModuleChangedEvent(m_activatedModule);
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switch (m_activatedModule)
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{
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#if VIU_STEAMVR
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case VRModuleActiveEnum.SteamVR:
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#if VIU_STEAMVR_1_2_3_OR_NEWER && !UNITY_2017_1_OR_NEWER && !UNITY_5_3
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Camera.onPreCull += OnCameraPreCull;
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#elif VIU_STEAMVR_1_2_0_OR_NEWER
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SteamVR_Events.NewPoses.AddListener(OnSteamVRNewPose);
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#else
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SteamVR_Utils.Event.Listen("new_poses", OnSteamVRNewPoseArgs);
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#endif
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break;
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#endif
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#if VIU_WAVEVR
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case VRModuleActiveEnum.WaveVR:
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WaveVR_Utils.Event.Listen(WaveVR_Utils.Event.NEW_POSES, OnWaveVRNewPoseArgs);
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break;
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#endif
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default:
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#if UNITY_2017_1_OR_NEWER
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Application.onBeforeRender += UpdateActiveModuleDeviceState;
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#else
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Camera.onPreCull += OnCameraPreCull;
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#endif
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break;
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}
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}
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#if VIU_STEAMVR
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#if VIU_STEAMVR_1_1_1
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private void OnSteamVRNewPoseArgs(params object[] args) { OnSteamVRNewPose((Valve.VR.TrackedDevicePose_t[])args[0]); }
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#endif
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private void OnSteamVRNewPose(Valve.VR.TrackedDevicePose_t[] poses) { UpdateActiveModuleDeviceState(); }
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#endif
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#if VIU_WAVEVR
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private void OnWaveVRNewPoseArgs(params object[] args) { UpdateActiveModuleDeviceState(); }
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#endif
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#if !UNITY_2017_1_OR_NEWER
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private int m_poseUpdatedFrame = -1;
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private void OnCameraPreCull(Camera cam)
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{
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var thisFrame = Time.frameCount;
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if (m_poseUpdatedFrame == thisFrame) { return; }
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#if UNITY_5_5_OR_NEWER
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if (cam.cameraType != CameraType.Game && cam.cameraType != CameraType.VR) { return; }
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#else
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if (cam.cameraType != CameraType.Game) { return; }
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#endif
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m_poseUpdatedFrame = thisFrame;
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UpdateActiveModuleDeviceState();
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}
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#endif
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private void UpdateActiveModuleDeviceState()
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{
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m_isUpdating = true;
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// copy status to from current state to previous state
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for (var i = 0u; i < MAX_DEVICE_COUNT; ++i)
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{
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if (m_prevStates[i].isConnected || m_currStates[i].isConnected)
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{
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m_prevStates[i].CopyFrom(m_currStates[i]);
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}
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}
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// update status
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m_activatedModuleBase.UpdateDeviceState(m_prevStates, m_currStates);
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// send connect/disconnect event
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for (var i = 0u; i < MAX_DEVICE_COUNT; ++i)
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{
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if (m_prevStates[i].isConnected != m_currStates[i].isConnected)
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{
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if (m_currStates[i].isConnected)
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{
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try
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{
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s_deviceSerialNumberTable.Add(m_currStates[i].serialNumber, i);
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}
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catch (System.Exception e)
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{
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Debug.LogError(m_currStates[i].serialNumber + ":" + e.ToString());
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}
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}
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else
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{
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s_deviceSerialNumberTable.Remove(m_prevStates[i].serialNumber);
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}
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VRModule.InvokeDeviceConnectedEvent(i, m_currStates[i].isConnected);
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}
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}
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// send new poses event
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VRModule.InvokeNewPosesEvent();
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if (m_isDestoryed)
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{
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DeactivateModule();
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}
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m_isUpdating = false;
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}
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private void DeactivateModule()
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{
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if (m_activatedModule == VRModuleActiveEnum.Uninitialized)
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{
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return;
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}
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if (m_activatedModuleBase == null)
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{
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return;
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}
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switch (m_activatedModule)
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{
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#if VIU_STEAMVR
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case VRModuleActiveEnum.SteamVR:
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#if VIU_STEAMVR_1_2_3_OR_NEWER && !UNITY_2017_1_OR_NEWER && !UNITY_5_3
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Camera.onPreCull -= OnCameraPreCull;
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#elif VIU_STEAMVR_1_2_0_OR_NEWER
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SteamVR_Events.NewPoses.RemoveListener(OnSteamVRNewPose);
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#else
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SteamVR_Utils.Event.Remove("new_poses", OnSteamVRNewPoseArgs);
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#endif
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break;
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#endif
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#if VIU_WAVEVR
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case VRModuleActiveEnum.WaveVR:
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WaveVR_Utils.Event.Remove(WaveVR_Utils.Event.NEW_POSES, OnWaveVRNewPoseArgs);
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break;
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#endif
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default:
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#if UNITY_2017_1_OR_NEWER
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Application.onBeforeRender -= UpdateActiveModuleDeviceState;
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#else
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Camera.onPreCull -= OnCameraPreCull;
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#endif
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break;
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}
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// copy status to from current state to previous state, and reset current state
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for (var i = 0u; i < MAX_DEVICE_COUNT; ++i)
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{
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if (m_prevStates[i].isConnected || m_currStates[i].isConnected)
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{
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m_prevStates[i].CopyFrom(m_currStates[i]);
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m_currStates[i].Reset();
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}
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}
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// send disconnect event
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for (var i = 0u; i < MAX_DEVICE_COUNT; ++i)
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{
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if (m_prevStates[i].isConnected)
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{
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VRModule.InvokeDeviceConnectedEvent(i, false);
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}
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}
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var deactivatedModuleBase = m_activatedModuleBase;
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m_activatedModule = VRModuleActiveEnum.Uninitialized;
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m_activatedModuleBase = null;
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deactivatedModuleBase.OnDeactivated();
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VRModule.InvokeActiveModuleChangedEvent(VRModuleActiveEnum.Uninitialized);
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}
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}
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}
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