Make cars and peds to not despawn when you look away

src/control/CarCtrl.cpp

@@ -731,6 +731,7 @@ CCarCtrl::PossiblyRemoveVehicle(CVehicle* pVehicle)
 		}
 		float distanceToPlayer = (pVehicle->GetPosition() - vecPlayerPos).Magnitude2D();
 		float threshold = 50.0f;
+#ifndef EXTENDED_OFFSCREEN_DESPAWN_RANGE
 		if (pVehicle->GetIsOnScreen() ||
 			TheCamera.Cams[TheCamera.ActiveCam].LookingLeft ||
 			TheCamera.Cams[TheCamera.ActiveCam].LookingRight ||
@@ -741,7 +742,9 @@ CCarCtrl::PossiblyRemoveVehicle(CVehicle* pVehicle)
 			pVehicle->GetModelIndex() == MI_FIRETRUCK ||
 			pVehicle->bIsLawEnforcer ||
 			pVehicle->bIsCarParkVehicle
-			){
+			)
+#endif
+		{
 			threshold = 130.0f * TheCamera.GenerationDistMultiplier;
 		}
 		if (pVehicle->bExtendedRange)

src/core/config.h

@@ -265,6 +265,9 @@ enum Config {
 
 #define NO_MOVIES	// add option to disable intro videos
 
+#define EXTENDED_OFFSCREEN_DESPAWN_RANGE // Use onscreen despawn range for offscreen peds and vehicles to avoid them despawning in the distance when you look
+                                         // away
+
 #if defined(__LP64__) || defined(_WIN64)
 #define FIX_BUGS_64 // Must have fixes to be able to run 64 bit build
 #endif
@@ -450,6 +453,7 @@ enum Config {
 	#undef PS2_ALPHA_TEST
 	#undef NO_ISLAND_LOADING
 	#undef PS2_AUDIO_CHANNELS
+	#undef EXTENDED_OFFSCREEN_DESPAWN_RANGE
 	#define PC_PARTICLE
 	#define VC_PED_PORTS // To not process collisions always. But should be tested if that's really beneficial
 	#define VC_RAIN_NERF // Reduces number of rain particles

src/peds/Population.cpp

@@ -1126,13 +1126,16 @@ CPopulation::ManagePopulation(void)
 			bool pedIsFarAway = false;
 			if (PedCreationDistMultiplier() * (PED_REMOVE_DIST_SPECIAL * TheCamera.GenerationDistMultiplier) < dist
 				|| (!ped->bCullExtraFarAway && PedCreationDistMultiplier() * PED_REMOVE_DIST * TheCamera.GenerationDistMultiplier < dist)
+#ifndef EXTENDED_OFFSCREEN_DESPAWN_RANGE
 				|| (PedCreationDistMultiplier() * (MIN_CREATION_DIST + CREATION_RANGE) * OFFSCREEN_CREATION_MULT < dist
 				&& !ped->GetIsOnScreen()
 				&& TheCamera.Cams[TheCamera.ActiveCam].Mode != CCam::MODE_SNIPER
 				&& TheCamera.Cams[TheCamera.ActiveCam].Mode != CCam::MODE_SNIPER_RUNABOUT
 				&& !TheCamera.Cams[TheCamera.ActiveCam].LookingLeft
 				&& !TheCamera.Cams[TheCamera.ActiveCam].LookingRight
-				&& !TheCamera.Cams[TheCamera.ActiveCam].LookingBehind))
+				&& !TheCamera.Cams[TheCamera.ActiveCam].LookingBehind)
+#endif
+				)
 				pedIsFarAway = true;
 
 			if (!pedIsFarAway)