feat(vehicle): add lower vehicle stance

src/game/features/vehicle/LowerVehicleStance.cpp

@@ -0,0 +1,30 @@
+#include "core/commands/LoopedCommand.hpp"
+#include "game/backend/Self.hpp"
+
+namespace YimMenu::Features
+{
+	class LowerVehicleStance : public LoopedCommand
+	{
+		using LoopedCommand::LoopedCommand;
+
+		virtual void OnTick() override
+		{
+			auto veh = Self::GetVehicle();
+			if (veh)
+			{
+				veh.LowerStance(true);
+			}
+		}
+
+		virtual void OnDisable() override
+		{
+			auto veh = Self::GetVehicle();
+			if (veh)
+			{
+				veh.LowerStance(false);
+			}
+		}
+	};
+
+	static LowerVehicleStance _LowerVehicleStance{"lowervehiclestance", "Lower Vehicle Stance", "Lowers your current vehicle's stance. Only some vehicles are supported"};
+}

src/game/frontend/submenus/Vehicle.cpp

@@ -29,6 +29,7 @@ namespace YimMenu::Submenus
 
 		misc->AddItem(std::make_shared<BoolCommandItem>("speedometer"_J));
 		misc->AddItem(std::make_shared<BoolCommandItem>("seatbelt"_J));
+		misc->AddItem(std::make_shared<BoolCommandItem>("lowervehiclestance"_J, "Lower Stance"));
 		misc->AddItem(std::make_shared<BoolCommandItem>("allowhatsinvehicles"_J));
 		misc->AddItem(std::make_shared<BoolCommandItem>("lsccustomsbypass"_J));
 		misc->AddItem(std::make_shared<BoolCommandItem>("dlcvehicles"_J));

src/game/gta/Vehicle.cpp

@@ -141,12 +141,21 @@ namespace YimMenu
 	void Vehicle::SetBoostCharge(int percentage)
 	{
 		ENTITY_ASSERT_VALID();
+		ENTITY_ASSERT_CONTROL();
+
 		if (!SupportsBoost())
 			return;
 
 		VEHICLE::SET_ROCKET_BOOST_FILL(GetHandle(), percentage);
 	}
 
+	void Vehicle::LowerStance(bool lower)
+	{
+		ENTITY_ASSERT_VALID();
+
+		VEHICLE::SET_REDUCED_SUSPENSION_FORCE(GetHandle(), lower);
+	}
+
 	std::string Vehicle::GetFullName()
 	{
 		auto model = ENTITY::GET_ENTITY_MODEL(GetHandle());

src/game/gta/Vehicle.hpp

@@ -32,6 +32,9 @@ namespace YimMenu
 		bool IsBoostActive();
 		void SetBoostCharge(int percentage = 100);
 
+		// stance
+		void LowerStance(bool lower);
+
 		std::string GetFullName();
 	};
 }