IRL crouch

Projects/Android/jni/RTCWVR/RTCWVR_SurfaceView.c

@@ -1504,6 +1504,8 @@ void RTCWVR_Init()
 	vr_gesture_triggered_use = Cvar_Get ("vr_gesture_triggered_use", "1", CVAR_ARCHIVE);
 	vr_use_gesture_boundary = Cvar_Get ("vr_use_gesture_boundary", "0.35", CVAR_ARCHIVE);
 	vr_draw_hud = Cvar_Get ("vr_draw_hud", "1", CVAR_ARCHIVE);
+	vr_irl_crouch_enabled = Cvar_Get ("vr_irl_crouch_enabled", "0", CVAR_ARCHIVE);
+	vr_irl_crouch_to_stand_ratio = Cvar_Get ("vr_irl_crouch_to_stand_ratio", "0.65", CVAR_ARCHIVE);
 
     //Defaults
 	vr_control_scheme = Cvar_Get( "vr_control_scheme", "0", CVAR_ARCHIVE);
@@ -1857,6 +1859,13 @@ void RTCWVR_getHMDOrientation() {//Get orientation
 
 	updateHMDOrientation();
 
+	// Max-height is set only once on start, or after re-calibration
+	// (ignore too low value which is sometimes provided on start)
+	if (!vr.maxHeight || vr.maxHeight < 1.0) {
+		vr.maxHeight = positionHmd.y;
+	}
+	vr.curHeight = positionHmd.y;
+
 	ALOGV("        HMD-Position: %f, %f, %f", positionHmd.x, positionHmd.y, positionHmd.z);
 }
 

Projects/Android/jni/RTCWVR/VrClientInfo.h

@@ -81,6 +81,10 @@ typedef struct {
     qboolean toggleMainMenu;
     int      akimboTriggerState;
     qboolean akimboFire;
+    qboolean vrIrlCrouchEnabled;
+    float    vrIrlCrouchToStandRatio;
+    float    maxHeight;
+    float    curHeight;
 
     //////////////////////////////////////
     //    Test stuff for weapon alignment

Projects/Android/jni/RTCWVR/VrCvars.h

@@ -16,3 +16,5 @@ cvar_t	*vr_screen_dist;
 cvar_t	*vr_gesture_triggered_use;
 cvar_t	*vr_use_gesture_boundary;
 cvar_t	*vr_draw_hud;
+cvar_t	*vr_irl_crouch_enabled;
+cvar_t	*vr_irl_crouch_to_stand_ratio;

Projects/Android/jni/RTCWVR/VrInputDefault.c

@@ -44,6 +44,8 @@ void HandleInput_Default( ovrInputStateGamepad *pFootTrackingNew, ovrInputStateG
 
 	vr.teleportenabled = vr_teleport->integer != 0;
     vr.visible_hud = vr_draw_hud->integer;
+    vr.vrIrlCrouchEnabled = vr_irl_crouch_enabled->integer != 0;
+    vr.vrIrlCrouchToStandRatio = vr_irl_crouch_to_stand_ratio->value;
 
     static qboolean dominantGripPushed = false;
 	static float dominantGripPushTime = 0.0f;
@@ -595,6 +597,8 @@ void HandleInput_Default( ovrInputStateGamepad *pFootTrackingNew, ovrInputStateG
                 (primaryButtonsOld & primaryButton1)) {
 
                 sendButtonAction("+movedown", (primaryButtonsNew & primaryButton1));
+                // Reset max height for IRL crouch
+                vr.maxHeight = 0;
             }
 
 			//Weapon Chooser

Projects/Android/jni/rtcw/src/game/bg_pmove.c

@@ -1635,6 +1635,60 @@ static void PM_CheckDuck( void ) {
 		return;
 	}
 
+	// IRL Crouch
+	vr_client_info_t* vr;
+#ifdef CGAMEDLL
+	vr = cgVR;
+#endif
+#ifdef GAMEDLL
+	vr = gVR;
+#endif
+	if (vr && !pm->ps->clientNum && vr->vrIrlCrouchEnabled) {
+		int standheight = pm->ps->maxs[2];
+		int crouchheight = pm->ps->crouchMaxZ;
+		// In-game view height always matches full stand height
+		// (we are crouching IRL, no need to artificially lower view)
+		pm->ps->viewheight = standheight - 8;
+
+		// Compute in-game height based on HMD height above floor
+		// (adjust height only when crouching, ignore IRL jumps)
+		int computedHeight = pm->ps->standViewHeight;
+		if (crouchheight < standheight && vr->curHeight < vr->maxHeight) {
+			// Count minimum IRL crouch height based on maximum IRL height
+			//trap_Cvar_VariableValue("vr_irl_crouch_to_stand_ratio", &vrIrlCrouchToStandRatio);
+			float minHeight = vr->maxHeight * vr->vrIrlCrouchToStandRatio;
+			if (vr->curHeight < minHeight) { // Do not allow to crawl (set min height)
+				computedHeight = crouchheight;
+			} else {
+				float heightRatio = (vr->curHeight - minHeight) / (vr->maxHeight - minHeight);
+				computedHeight = pm->ps->crouchViewHeight + (int)(heightRatio * (standheight - crouchheight));
+			}
+		}
+
+		// Adjust height based on where are you standing
+		// (cannot stand up if there is no place, find nearest possible height)
+		for (int i = computedHeight; i > 0; i--) {
+			pm->maxs[2] = i;
+			pm->trace( &trace, pm->ps->origin, pm->mins, pm->maxs, pm->ps->origin, pm->ps->clientNum, pm->tracemask );
+			if ( !trace.allsolid ) {
+				break;
+			} else {
+				// Lower view height to not see through ceiling
+				// (in case you stand up IRL in tight place)
+				pm->ps->viewheight--;
+			}
+		}
+
+		// Toggle duck flag based on in-game height (need to be at least half-way crouched)
+		if (pm->maxs[2] < crouchheight + (standheight - crouchheight)/2) {
+			pm->ps->pm_flags |= PMF_DUCKED;
+		} else {
+			pm->ps->pm_flags &= ~PMF_DUCKED;
+		}
+
+		return;
+	}
+
 	if ( pm->cmd.upmove < 0 ) { // duck
 		pm->ps->pm_flags |= PMF_DUCKED;
 	} else

Projects/Android/z_vr_assets/ui/controls.menu

@@ -413,6 +413,23 @@ itemDef
       	visible 1
     	}
 
+	itemDef {
+		name vr
+		group grpControls
+		type ITEM_TYPE_YESNO
+		text "IRL Crouch:"
+		cvar "vr_irl_crouch_enabled"
+		rect 82 285 290 12
+      	textalign ITEM_ALIGN_RIGHT
+      	textalignx 142
+      	textaligny 10
+		textscale .23
+		style WINDOW_STYLE_FILLED
+		backcolor 1 1 1 .07
+      	forecolor 1 1 1 1
+      	visible 1
+    	}
+
 //	TOOLS 	MESSAGE	//
 
 itemDef 

Projects/Android/z_vr_assets/ui/ingame_controls.menu

@@ -386,6 +386,22 @@ itemDef
       	visible 1
     	}
 
+	itemDef {
+		name ingame_vr
+		group grpControls
+		type ITEM_TYPE_YESNO
+		text "IRL Crouch:"
+		cvar "vr_irl_crouch_enabled"
+		rect 82 285 290 12
+      	textalign ITEM_ALIGN_RIGHT
+      	textalignx 142
+      	textaligny 10
+		textscale .23
+		style WINDOW_STYLE_FILLED
+		backcolor 1 1 1 .07
+      	forecolor 1 1 1 1
+      	visible 1
+    	}
 
 itemDef {
       name yesno_message