VR HUD Attached to off hand controller

Thanks again to the Fully Possesed Mod for the functionality for this one!

Projects/Android/AndroidManifest.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 		package="com.drbeef.doom3quest"
-		android:versionCode="9"
-		android:versionName="0.0.15" android:installLocation="auto" >
+		android:versionCode="11"
+		android:versionName="0.0.17" android:installLocation="auto" >
 
 	<!-- Tell the system this app requires OpenGL ES 3.1. -->
 	<uses-feature android:glEsVersion="0x00030001" android:required="true"/>

Projects/Android/jni/Doom3Quest/VrCommon.h

@@ -26,8 +26,6 @@ extern "C" {
 #define ALOGV(...)
 #endif
 
-#define TIC_RATE 60
-
 float screenYaw;
 
 float radians(float deg);

Projects/Android/jni/Doom3Quest/VrInputDefault.c

@@ -59,6 +59,7 @@ extern bool inMenu;
 extern bool inGameGuiActive;
 extern bool objectiveSystemActive;
 extern bool inCinematic;
+const int USERCMD_HZ = 60;
 
 
 void HandleInput_Default( int controlscheme, ovrInputStateTrackedRemote *pDominantTrackedRemoteNew, ovrInputStateTrackedRemote *pDominantTrackedRemoteOld, ovrTracking* pDominantTracking,
@@ -360,6 +361,7 @@ void HandleInput_Default( int controlscheme, ovrInputStateTrackedRemote *pDomina
             pVRClientInfo->offhandoffset[2] = pOff->HeadPose.Pose.Position.z - pVRClientInfo->hmdposition[2];
 
             vec3_t rotation = {0};
+            rotation[PITCH] = -45;
             QuatToYawPitchRoll(pOff->HeadPose.Pose.Orientation, rotation, pVRClientInfo->offhandangles);
 
 			if (vr_walkdirection == 0) {
@@ -375,10 +377,9 @@ void HandleInput_Default( int controlscheme, ovrInputStateTrackedRemote *pDomina
         {
             //Adjust positional factor for this sample based on how long the last frame took, it should
             //approximately even out the positional movement on a per frame basis (especially when fps is much lower than 60)
-            //NOTE: it'll never be above ~60fps since we use com_fixedTic of "-1"
             static float lastSampleTime = 0;
             float sampleTime = Sys_Milliseconds();
-            float vr_positional_factor = 2400.0f * ((1000.0f / TIC_RATE) / (sampleTime-lastSampleTime));
+            float vr_positional_factor = 2400.0f * ((1000.0f / USERCMD_HZ) / (sampleTime-lastSampleTime));
             lastSampleTime = sampleTime;
 
             //This section corrects for the fact that the controller actually controls direction of movement, but we want to move relative to the direction the

Projects/Android/jni/d3es-multithread-master/neo/game/Player.cpp

@@ -1043,6 +1043,9 @@ idPlayer::idPlayer() {
 
     flashlightModelDefHandle = -1;
 
+    hudHandle = -1;
+    memset( &hudEntity, 0, sizeof( hudEntity ) );
+
     skin					= NULL;
 	powerUpSkin				= NULL;
 	baseSkinName			= "";
@@ -1422,6 +1425,12 @@ void idPlayer::Init( void ) {
 
 	SetupFlashlightHolster();
 	SetupLaserSight();
+
+    // re-init hud model
+    memset( &hudEntity, 0, sizeof( hudEntity ) );
+    hudEntity.hModel = renderModelManager->FindModel( "/models/mapobjects/hud.lwo" );
+    hudEntity.customShader = declManager->FindMaterial( "vr/hud" );
+    hudEntity.weaponDepthHack = true;
 }
 
 /*
@@ -2103,6 +2112,12 @@ void idPlayer::Restore( idRestoreGame *savefile ) {
 	SetupFlashlightHolster();
 
 	SetupLaserSight();
+
+    // re-init hud model
+    memset( &hudEntity, 0, sizeof( hudEntity ) );
+    hudEntity.hModel = renderModelManager->FindModel( "/models/mapobjects/hud.lwo" );
+    hudEntity.customShader = declManager->FindMaterial( "vr/hud" );
+    hudEntity.weaponDepthHack = true;
 }
 
 void idPlayer::SetupLaserSight()
@@ -2688,6 +2703,94 @@ void idPlayer::DrawHUD( idUserInterface *_hud ) {
 			//cursor->Redraw( gameLocal.realClientTime );
 		}
 	}
+
+    renderSystem->CaptureRenderToImage( "_hudImage" );
+}
+
+
+/*
+==============
+Koz
+idPlayer::UpdateVrHud
+==============
+*/
+void idPlayer::UpdateVrHud()
+{
+    static idVec3 hudOrigin;
+    static idMat3 hudAxis;
+    float hudPitch;
+
+    if (pVRClientInfo != nullptr)
+
+    // update the hud model
+    if ( (pVRClientInfo == nullptr) || !pVRClientInfo->visible_hud || gameLocal.inCinematic)
+    {
+        // hide it
+        hudEntity.allowSurfaceInViewID = -1;
+    }
+    else
+    {
+        hudEntity.allowSurfaceInViewID = entityNumber + 1;
+
+        {
+            hudPitch = 10.0f;
+
+            float yaw;
+            {
+				// CalculateRenderView must have been called first
+				const idVec3 &viewOrigin = firstPersonViewOrigin;
+				const idMat3 &viewAxis = firstPersonViewAxis;
+
+				if (pVRClientInfo)
+				{
+					idAngles angles;
+					float *pAngles = pVRClientInfo->offhandangles;
+					angles.pitch = pVRClientInfo->offhandangles[PITCH];
+					angles.yaw = viewAngles.yaw +
+								 (pVRClientInfo->offhandangles[YAW] - pVRClientInfo->hmdorientation[YAW]);
+					angles.roll = pVRClientInfo->offhandangles[ROLL];
+
+					hudAxis = angles.ToMat3();
+
+					idVec3	offpos( -pVRClientInfo->offhandoffset[2],
+									  -pVRClientInfo->offhandoffset[0],
+									  pVRClientInfo->offhandoffset[1]);
+
+					idAngles a(0, viewAngles.yaw - pVRClientInfo->hmdorientation[YAW], 0);
+					offpos *= a.ToMat3();
+					offpos *= cvarSystem->GetCVarFloat( "vr_worldscale" );
+
+					{
+						hudOrigin = viewOrigin + offpos;
+					}
+				}
+
+//                GetViewPos( hudOrigin, hudAxis );
+//                yaw = viewAngles.yaw;
+            }
+            //hudAxis = idAngles( hudPitch, yaw, 0.0f ).ToMat3();
+
+            //hudOrigin += hudAxis[0] * 24.0f;//vr_hudPosDis.GetFloat();
+            hudOrigin += hudAxis[1] * -8.0f;
+            hudOrigin += hudAxis[2] * 16.0f;
+        }
+
+        hudAxis *= 0.7;
+
+        hudEntity.axis = hudAxis;
+        hudEntity.origin = hudOrigin;
+        hudEntity.weaponDepthHack = true;
+
+    }
+
+    if ( hudHandle == -1 )
+    {
+        hudHandle = gameRenderWorld->AddEntityDef( &hudEntity );
+    }
+    else
+    {
+        gameRenderWorld->UpdateEntityDef( hudHandle, &hudEntity );
+    }
 }
 
 /*
@@ -6367,10 +6470,7 @@ void idPlayer::Think( void ) {
             pVRClientInfo->weaponid = -1;
         }
         cvarSystem->SetCVarBool("vr_weapon_stabilised", pVRClientInfo->weapon_stabilised);
-        pVRClientInfo->velocitytriggered = (
-        		currentWeapon == WEAPON_FISTS ||
-        		currentWeapon == WEAPON_FLASHLIGHT);
-
+        pVRClientInfo->velocitytriggered = currentWeapon == WEAPON_FLASHLIGHT;
         pVRClientInfo->pistol = currentWeapon == WEAPON_PISTOL;
     }
 
@@ -6511,6 +6611,8 @@ void idPlayer::Think( void ) {
 
 	UpdateLaserSight();
 
+    UpdateVrHud();
+
 	UpdateDeathSkin( false );
 
 	if ( gameLocal.isMultiplayer ) {

Projects/Android/jni/d3es-multithread-master/neo/game/Player.h

@@ -237,6 +237,9 @@ public:
 	renderEntity_t			flashlightRenderEntity;					// used to present a model to the renderer
 	qhandle_t				flashlightModelDefHandle;					// handle to static renderer model
 
+	renderEntity_t			hudEntity;
+	qhandle_t				hudHandle;
+
 	bool					noclip;
 	bool					godmode;
 
@@ -416,7 +419,7 @@ public:
     virtual void            UpdateFlashlightHolster();
     virtual void            SetupLaserSight();
     virtual void            UpdateLaserSight( );
-
+	virtual void			UpdateVrHud();
 
 	void					Kill( bool delayRespawn, bool nodamage );
 	virtual void			Killed( idEntity *inflictor, idEntity *attacker, int damage, const idVec3 &dir, int location );

Projects/Android/jni/d3es-multithread-master/neo/game/PlayerView.cpp

@@ -462,6 +462,8 @@ void idPlayerView::SingleView( idUserInterface *hud, const renderView_t *view )
 		return;
 	}
 
+	player->DrawHUD(hud);
+
 	// place the sound origin for the player
 	gameSoundWorld->PlaceListener( view->vieworg, view->viewaxis, player->entityNumber + 1, gameLocal.time, hud ? hud->State().GetString( "location" ) : "Undefined" );
 
@@ -501,16 +503,6 @@ void idPlayerView::SingleView( idUserInterface *hud, const renderView_t *view )
 			}
 		}
 
-		vrClientInfo *pVRClientInfo = player->GetVRClientInfo();
-		if (pVRClientInfo != nullptr &&
-			pVRClientInfo->visible_hud) {
-			cvarSystem->SetCVarBool("vr_hud", true);
-
-			player->DrawHUD(hud);
-
-			cvarSystem->SetCVarBool("vr_hud", false);
-		}
-
 		// armor impulse feedback
 		float	armorPulse = ( gameLocal.time - player->lastArmorPulse ) / 250.0f;
 

Projects/Android/jni/d3es-multithread-master/neo/renderer/Image.h

@@ -406,6 +406,8 @@ public:
 	idImage *			specular2DTableImage;		// 2D intensity texture with our specular function with variable specularity
 	idImage *			borderClampImage;			// white inside, black outside
 
+	idImage*			hudImage;
+
 	//--------------------------------------------------------
 
 	idImage *			AllocImage( const char *name );

Projects/Android/jni/d3es-multithread-master/neo/renderer/Image_init.cpp

@@ -369,6 +369,18 @@ static void R_RGBA8Image( idImage *image ) {
 	                      TF_DEFAULT, false, TR_REPEAT, TD_HIGH_QUALITY );
 }
 
+// Koz begin
+// used for Hud and PDA surfaces in VR
+static void R_VRSurfaceImage( idImage* image )
+{
+	byte	*data = (byte*)malloc(1024 * 1024 * 4);
+
+	memset( data, 0, sizeof( data ) );
+
+	image->GenerateImage( (byte *)data, 1024, 1024,
+						  TF_DEFAULT, false, TR_CLAMP, TD_HIGH_QUALITY );
+}
+
 #if 0
 static void R_RGB8Image( idImage *image ) {
 	byte	data[DEFAULT_SIZE][DEFAULT_SIZE][4];
@@ -1782,6 +1794,9 @@ void idImageManager::Init() {
 	scratchCubeMapImage = ImageFromFunction("_scratchCubeMap", makeNormalizeVectorCubeMap );
 	currentRenderImage = ImageFromFunction("_currentRender", R_RGBA8Image );
 
+	hudImage = ImageFromFunction( "_hudImage", R_VRSurfaceImage ); // R_RGBA8Image );
+
+
 	cmdSystem->AddCommand( "reloadImages", R_ReloadImages_f, CMD_FL_RENDERER, "reloads images" );
 	cmdSystem->AddCommand( "listImages", R_ListImages_f, CMD_FL_RENDERER, "lists images" );
 	cmdSystem->AddCommand( "combineCubeImages", R_CombineCubeImages_f, CMD_FL_RENDERER, "combines six images for roq compression" );

Projects/Android/jni/d3es-multithread-master/neo/ui/Window.cpp

@@ -1197,18 +1197,9 @@ idWindow::Redraw
 ================
 */
 
-enum eScalingType {
-    NONE,
-    SCALETO43,
-    VRHUD
-};
-
 void idWindow::Redraw(float x, float y) {
 	idStr str;
 
-	static int recursiveCount = 0;
-	recursiveCount++;
-
 	if (r_skipGuiShaders.GetInteger() == 1 || dc == NULL ) {
 		return;
 	}
@@ -1223,32 +1214,19 @@ void idWindow::Redraw(float x, float y) {
 		return;
 	}
 
-    eScalingType scalingType = NONE;
-
 	// DG: allow scaling menus to 4:3
+	bool fixupFor43 = false;
 	if ( flags & WIN_DESKTOP ) {
 		// only scale desktop windows (will automatically scale its sub-windows)
 		// that EITHER have the scaleto43 flag set OR are fullscreen menus and r_scaleMenusTo43 is 1
 		if( (flags & WIN_SCALETO43) ||
 			((flags & WIN_MENUGUI) && r_scaleMenusTo43.GetBool()) )
 		{
-            scalingType = SCALETO43;
+			fixupFor43 = true;
 			dc->SetMenuScaleFix(true);
 		}
 	}
 
-    if (scalingType == NONE) {
-        bool scaledHUDForVR = cvarSystem->GetCVarBool("vr_hud");
-        if (scaledHUDForVR) {
-            scalingType = VRHUD;
-
-            //Only set this on the first call
-            if (recursiveCount == 1) {
-				dc->SetMenuScaleForVR(true);
-			}
-        }
-    }
-
 	if ( flags & WIN_SHOWTIME ) {
 		dc->DrawText(va(" %0.1f seconds\n%s", (float)(time - timeLine) / 1000, gui->State().GetString("name")), 0.35f, 0, dc->colorWhite, idRectangle(100, 0, 80, 80), false);
 	}
@@ -1261,14 +1239,7 @@ void idWindow::Redraw(float x, float y) {
 	}
 
 	if (!visible) {
-		if (scalingType == SCALETO43) { // DG: gotta reset that before returning this function
-			dc->SetMenuScaleFix(false);
-		}
-
-		recursiveCount--;
-		if (scalingType == VRHUD &&
-				recursiveCount == 0)
-		{
+		if (fixupFor43) { // DG: gotta reset that before returning this function
 			dc->SetMenuScaleFix(false);
 		}
 		return;
@@ -1339,14 +1310,7 @@ void idWindow::Redraw(float x, float y) {
 		dc->EnableClipping(true);
 	}
 
-	if (scalingType == SCALETO43) { // DG: gotta reset that before returning this function
-		dc->SetMenuScaleFix(false);
-	}
-
-	recursiveCount--;
-	if (scalingType == VRHUD &&
-		recursiveCount == 0)
-	{
+	if (fixupFor43) { // DG: gotta reset that before returning this function
 		dc->SetMenuScaleFix(false);
 	}
 

assets/pak299/materials/vr.mtr

@@ -0,0 +1,14 @@
+
+
+vr/hud
+
+{
+	qer_editorimage	textures/zaphod/shotgun_laser.TGA
+	translucent
+	noShadows
+	{
+		blend add
+		map _hudImage
+	}
+}
+