Enable free roaming in demos while paused

src/game/client/c_baseentity.cpp

@@ -3246,7 +3246,11 @@ void C_BaseEntity::InterpolateServerEntities()
 	s_bInterpolate = cl_interpolate.GetBool();
 
 	// Don't interpolate during timedemo playback
+#ifdef NEO
+	if ( engine->IsPlayingTimeDemo() )
+#else
 	if ( engine->IsPlayingTimeDemo() || engine->IsPaused() )
+#endif // NEO
 	{										 
 		s_bInterpolate = false;
 	}
@@ -3277,7 +3281,11 @@ void C_BaseEntity::InterpolateServerEntities()
 	// Enable extrapolation?
 	CInterpolationContext context;
 	context.SetLastTimeStamp( engine->GetLastTimeStamp() );
+#ifdef NEO
+	if ( cl_extrapolate.GetBool() )
+#else
 	if ( cl_extrapolate.GetBool() && !engine->IsPaused() )
+#endif // NEO
 	{
 		context.EnableExtrapolation( true );
 	}

src/game/client/cdll_client_int.cpp

@@ -2658,6 +2658,29 @@ void OnRenderStart()
 	MDLCACHE_CRITICAL_SECTION();
 	MDLCACHE_COARSE_LOCK();
 
+#ifdef NEO
+	if (engine->IsPaused())
+	{
+		Rope_ResetCounters();
+
+		{
+			PREDICTION_TRACKVALUECHANGESCOPE( "interpolation" );
+			C_BaseEntity::InterpolateServerEntities();
+		}
+
+		{
+			C_BaseAnimating::PushAllowBoneAccess( true, false, "OnRenderStart->CViewRender::SetUpView" ); // pops in CViewRender::SetUpView
+		}
+
+		input->CAM_Think();
+		view->OnRenderStart();
+
+		RopeManager()->OnRenderStart();
+
+		return;
+	}
+#endif // NEO
+
 #ifdef PORTAL
 	g_pPortalRender->UpdatePortalPixelVisibility(); //updating this one or two lines before querying again just isn't cutting it. Update as soon as it's cheap to do so.
 #endif

src/game/client/hltvcamera.cpp

@@ -26,6 +26,7 @@
 #include "neo_gamerules.h"
 #include "c_neo_player.h"
 #include "shareddefs.h"
+#include "input.h"
 #endif // NEO
 
 ConVar spec_autodirector( "spec_autodirector", "1", FCVAR_CLIENTDLL | FCVAR_CLIENTCMD_CAN_EXECUTE, "Auto-director chooses best view modes while spectating" );
@@ -106,6 +107,10 @@ void C_HLTVCamera::Reset()
 	m_flOffset = 0;
 	m_bEntityPacketReceived = false;
 
+#ifdef NEO
+	m_flLastRealTime = 0;
+#endif // NEO
+
 	m_vCamOrigin.Init();
 	m_aCamAngle.Init();
 
@@ -372,7 +377,11 @@ void C_HLTVCamera::CalcInEyeCamView( Vector& eyeOrigin, QAngle& eyeAngles, float
 	}
 }
 
+#ifdef NEO
+void C_HLTVCamera::Accelerate( Vector& wishdir, float wishspeed, float accel, float flDeltaTime )
+#else
 void C_HLTVCamera::Accelerate( Vector& wishdir, float wishspeed, float accel )
+#endif // NEO
 {
 	float addspeed, accelspeed, currentspeed;
 
@@ -387,7 +396,11 @@ void C_HLTVCamera::Accelerate( Vector& wishdir, float wishspeed, float accel )
 		return;
 
 	// Determine amount of acceleration.
+#ifdef NEO
+	accelspeed = accel * flDeltaTime * wishspeed;
+#else
 	accelspeed = accel * gpGlobals->frametime * wishspeed;
+#endif // NEO
 
 	// Cap at addspeed
 	if (accelspeed > addspeed)
@@ -407,10 +420,18 @@ extern ConVar neo_fov;
 // movement code is a copy of CGameMovement::FullNoClipMove()
 void C_HLTVCamera::CalcRoamingView(Vector& eyeOrigin, QAngle& eyeAngles, float& fov)
 {
+#ifdef NEO
+	const float flDeltaTime = gpGlobals->realtime - m_flLastRealTime;
+
+	// if (engine->IsPaused()) // When running a demo back at very slow speeds, movement is delayed, just do this always
+	{
+		input->CreateMove(m_LastCmd.command_number, flDeltaTime, true); // or false and use sv_noclipduringpause, default it to true?
+	}
+#endif // NEO
+
 	// only if PVS isn't locked by auto-director
 	if ( !IsPVSLocked() )
 	{
-
 		Vector wishvel;
 		Vector forward, right, up;
 		Vector wishdir;
@@ -428,7 +449,7 @@ void C_HLTVCamera::CalcRoamingView(Vector& eyeOrigin, QAngle& eyeAngles, float&
 		// Copy movement amounts
 		float fmove = m_LastCmd.forwardmove * factor;
 		float smove = m_LastCmd.sidemove * factor;
-		
+
 #ifdef NEO
 		const bool bDroneMove = m_LastCmd.buttons & IN_WALK;
 		if (bDroneMove)
@@ -466,7 +487,11 @@ void C_HLTVCamera::CalcRoamingView(Vector& eyeOrigin, QAngle& eyeAngles, float&
 		if ( sv_specaccelerate.GetFloat() > 0.0 )
 		{
 			// Set move velocity
+#ifdef NEO
+			Accelerate ( wishdir, wishspeed, sv_specaccelerate.GetFloat(), flDeltaTime );
+#else
 			Accelerate ( wishdir, wishspeed, sv_specaccelerate.GetFloat() );
+#endif // NEO
 
 			float spd = VectorLength( m_vecVelocity );
 			if (spd < 1.0f)
@@ -482,7 +507,11 @@ void C_HLTVCamera::CalcRoamingView(Vector& eyeOrigin, QAngle& eyeAngles, float&
 				float friction = sv_friction.GetFloat();
 
 				// Add the amount to the drop amount.
+#ifdef NEO
+				float drop = control * friction * flDeltaTime;
+#else
 				float drop = control * friction * gpGlobals->frametime;
+#endif // NEO
 
 				// scale the velocity
 				float newspeed = spd - drop;
@@ -500,8 +529,12 @@ void C_HLTVCamera::CalcRoamingView(Vector& eyeOrigin, QAngle& eyeAngles, float&
 		}
 
 		// Just move ( don't clip or anything )
+#ifdef NEO
+		VectorMA( m_vCamOrigin, flDeltaTime, m_vecVelocity, m_vCamOrigin );
+#else
 		VectorMA( m_vCamOrigin, gpGlobals->frametime, m_vecVelocity, m_vCamOrigin );
-
+#endif // NEO
+
 		// get camera angle directly from engine
 		 engine->GetViewAngles( m_aCamAngle );
 
@@ -597,6 +630,9 @@ void C_HLTVCamera::CalcView(Vector& origin, QAngle& angles, float& fov)
 		case OBS_MODE_CHASE		:	CalcChaseCamView( origin, angles, fov  );
 									break;
 	}
+#ifdef NEO
+	m_flLastRealTime = gpGlobals->realtime;
+#endif // NEO
 }
 
 #ifdef NEO
@@ -614,6 +650,16 @@ void C_HLTVCamera::SetMode(int iMode)
 	m_nCameraMode = iMode;
 
 #ifdef NEO
+	// If we pause demo playback while in eye view, the observer target will be invisible when switching observer mode because we also pause simulation etc, update visibility here
+	if (iOldMode == OBS_MODE_IN_EYE && engine->IsPaused())
+	{
+		if ( C_BaseEntity* target = ClientEntityList().GetEnt( m_iTraget1 ) )
+		{
+			target->UpdateVisibility();
+			target->CreateShadow(); // Iterate through all children to update their shadows too?
+		}
+	}
+
 	if (cl_neo_hltvcamera_spectate_next_target_on_set_mode.GetBool() && (iMode == OBS_MODE_IN_EYE || iMode == OBS_MODE_CHASE) && !GetPrimaryTarget())
 	{
 		bAllowChangingModeWhenSettingPrimaryTarget = false;

src/game/client/hltvcamera.h

@@ -59,7 +59,11 @@ class C_HLTVCamera : CGameEventListener
 
 	void SmoothCameraAngle( QAngle& targetAngle );
 	void SetCameraAngle( QAngle& targetAngle );
+#ifdef NEO
+	void Accelerate( Vector& wishdir, float wishspeed, float accel, float flDeltaTime );
+#else
 	void Accelerate( Vector& wishdir, float wishspeed, float accel );
+#endif
 
 	int			m_nCameraMode; // current camera mode
 	int			m_iCameraMan; // camera man entindex or 0
@@ -80,6 +84,9 @@ class C_HLTVCamera : CGameEventListener
 	char		m_szTitleText[64];
 	CUserCmd	m_LastCmd;
 	Vector		m_vecVelocity;
+#ifdef NEO
+	float		m_flLastRealTime = 0; // use realtime instead of frametime to process movement even while paused
+#endif
 };
 
 

src/game/client/neo/ui/neo_hud_childelement.h

@@ -75,14 +75,14 @@ class CNEOHud_ChildElement
 		}
 		else if (frequency > 0)
 		{
-			const float deltaTime = gpGlobals->curtime - m_flLastUpdateTime;
+			const float deltaTime = gpGlobals->realtime - m_flLastUpdateTime;
 			if ((m_flLastUpdateTime > 0.0f) && (deltaTime < frequency))
 			{
 				return false;
 			}
 			else
 			{
-				m_flLastUpdateTime = gpGlobals->curtime;
+				m_flLastUpdateTime = gpGlobals->realtime;
 				return true;
 			}
 		}

src/game/client/neo/ui/neo_hud_ghost_marker.cpp

@@ -16,6 +16,7 @@
 #include "ienginevgui.h"
 #include "prediction.h"
 #include "weapon_ghost.h"
+#include "view.h"
 
 // memdbgon must be the last include file in a .cpp file!!!
 #include "neo_hud_worldpos_marker.h"
@@ -99,7 +100,7 @@ void CNEOHud_GhostMarker::UpdateStateForNeoHudElementDraw()
 	{
 		if (!NEORules()->GetGhosterPlayer())
 		{
-			const float flDistMeters = METERS_PER_INCH * C_NEO_Player::GetLocalPlayer()->GetAbsOrigin().DistTo(NEORules()->GetGhostPos());
+			const float flDistMeters = METERS_PER_INCH * MainViewOrigin().DistTo(NEORules()->GetGhostPos());
 			if (cl_neo_hud_worldpos_verbose.GetBool())
 			{
 				V_snwprintf(m_wszMarkerTextUnicode, ARRAYSIZE(m_wszMarkerTextUnicode), L"GHOST DISTANCE: %.0fm", flDistMeters);
@@ -114,7 +115,7 @@ void CNEOHud_GhostMarker::UpdateStateForNeoHudElementDraw()
 	{
 		if (!NEORules()->GetJuggernautPlayer())
 		{
-			const float flDistMeters = METERS_PER_INCH * C_NEO_Player::GetLocalPlayer()->GetAbsOrigin().DistTo(NEORules()->GetJuggernautMarkerPos());
+			const float flDistMeters = METERS_PER_INCH * MainViewOrigin().DistTo(NEORules()->GetJuggernautMarkerPos());
 			if (cl_neo_hud_worldpos_verbose.GetBool())
 			{
 				V_snwprintf(m_wszMarkerTextUnicode, ARRAYSIZE(m_wszMarkerTextUnicode), L"JUGGERNAUT DISTANCE: %.0fm", flDistMeters);