From db0758690e78f8df8304adab345958ce5cf496ed Mon Sep 17 00:00:00 2001
From: Roman Masanin <36927roma@gmail.com>
Date: Wed, 30 Sep 2020 13:37:43 +0300
Subject: [PATCH] new implementation for car fly enhancment

---
 src/vehicles/Automobile.cpp |  2 +-
 src/vehicles/Vehicle.cpp    | 15 +++++++++++++--
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/vehicles/Automobile.cpp b/src/vehicles/Automobile.cpp
index 05596e75..24c84703 100644
--- a/src/vehicles/Automobile.cpp
+++ b/src/vehicles/Automobile.cpp
@@ -1390,7 +1390,7 @@ CAutomobile::ProcessControl(void)
 				m_vecMoveSpeed.Magnitude() > 0.0f && CTimer::GetTimeStep() > 0.0f){
 #ifdef ALT_DODO_CHEAT
 			if (bAltDodoCheat)
-				FlyingControl(FLIGHT_MODEL_PLANE);
+				FlyingControl(FLIGHT_MODEL_PLANE_UNUSED);
 			else
 #endif
 			if(GetModelIndex() == MI_DODO)
diff --git a/src/vehicles/Vehicle.cpp b/src/vehicles/Vehicle.cpp
index 2e790e81..d53f3c9f 100644
--- a/src/vehicles/Vehicle.cpp
+++ b/src/vehicles/Vehicle.cpp
@@ -351,14 +351,25 @@ CVehicle::FlyingControl(eFlightModel flightModel)
 		fSteerUD *= -fSteerMult;
 
 		// thrust
+		float fHandlingThrust = pFlyingHandling->fThrust;
+		float fThrustFallOff = pFlyingHandling->fThrustFallOff;
+		float fThrustFallOffBack = pFlyingHandling->fThrustFallOff * 8.0f;
+#ifdef ALT_DODO_CHEAT
+		if (bAltDodoCheat && !IsRealPlane()) {
+			fHandlingThrust = pHandling->Transmission.fEngineAcceleration;
+			fHandlingThrust *= pHandling->Transmission.nDriveType == '4' ? 4 : 2;
+			fThrustFallOff = 0.7f / pHandling->Transmission.fMaxVelocity;
+			fThrustFallOffBack = 0.7f / pHandling->Transmission.fMaxReverseVelocity;
+		}
+#endif // ALT_DOOD_CHEAT
 		float fForwSpeed = DotProduct(GetMoveSpeed(), GetForward());
 		CVector vecTail = GetColModel()->boundingBox.min.y * GetForward();
 		float fThrust = (CPad::GetPad(0)->GetAccelerate() - CPad::GetPad(0)->GetBrake()) / 255.0f;
 		float fThrustAccel;
 		if(fForwSpeed > 0.0f || fThrust > 0.0f)
-			fThrustAccel = (fThrust - pFlyingHandling->fThrustFallOff * fForwSpeed) * pFlyingHandling->fThrust;
+			fThrustAccel = (fThrust - fThrustFallOff * fForwSpeed) * fHandlingThrust;
 		else
-			fThrustAccel = Min(fThrust - 8.0f * pFlyingHandling->fThrustFallOff * fForwSpeed, 0.0f) * pFlyingHandling->fThrust;
+			fThrustAccel = Min(fThrust - fThrustFallOffBack * fForwSpeed, 0.0f) * fHandlingThrust;
 		if(flightModel == FLIGHT_MODEL_PLANE_UNUSED)
 			fThrustAccel *= 0.3f;
 		else if(flightModel == FLIGHT_MODEL_PLANE)