chore: rename VehiclePhysics to HavokVehiclePhysics (#1331)

since that is it's true name
and there's another VehiclePhysics component that is simply named that

dGame/dComponents/HavokVehiclePhysicsComponent.h

@@ -0,0 +1,112 @@
+#pragma once
+
+#include "BitStream.h"
+#include "Entity.h"
+#include "PhysicsComponent.h"
+#include "eReplicaComponentType.h"
+
+struct RemoteInputInfo {
+	RemoteInputInfo() {
+		m_RemoteInputX = 0;
+		m_RemoteInputY = 0;
+		m_IsPowersliding = false;
+		m_IsModified = false;
+	}
+
+	void operator=(const RemoteInputInfo& other) {
+		m_RemoteInputX = other.m_RemoteInputX;
+		m_RemoteInputY = other.m_RemoteInputY;
+		m_IsPowersliding = other.m_IsPowersliding;
+		m_IsModified = other.m_IsModified;
+	}
+
+	bool operator==(const RemoteInputInfo& other) {
+		return m_RemoteInputX == other.m_RemoteInputX && m_RemoteInputY == other.m_RemoteInputY && m_IsPowersliding == other.m_IsPowersliding && m_IsModified == other.m_IsModified;
+	}
+
+	float m_RemoteInputX;
+	float m_RemoteInputY;
+	bool m_IsPowersliding;
+	bool m_IsModified;
+};
+
+/**
+ * Physics component for vehicles.
+ */
+class HavokVehiclePhysicsComponent : public PhysicsComponent {
+public:
+	inline static const eReplicaComponentType ComponentType = eReplicaComponentType::HAVOK_VEHICLE_PHYSICS;
+
+	HavokVehiclePhysicsComponent(Entity* parentEntity);
+
+	void Serialize(RakNet::BitStream* outBitStream, bool bIsInitialUpdate) override;
+
+	void Update(float deltaTime) override;
+
+	/**
+	 * Sets the velocity
+	 * @param vel the new velocity
+	 */
+	void SetVelocity(const NiPoint3& vel);
+
+	/**
+	 * Gets the velocity
+	 * @return the velocity
+	 */
+	const NiPoint3& GetVelocity() const { return m_Velocity; }
+
+	/**
+	 * Sets the angular velocity
+	 * @param vel the new angular velocity
+	 */
+	void SetAngularVelocity(const NiPoint3& vel);
+
+	/**
+	 * Gets the angular velocity
+	 * @return the angular velocity
+	 */
+	const NiPoint3& GetAngularVelocity() const { return m_AngularVelocity; }
+
+	/**
+	 * Sets whether the vehicle is on the ground
+	 * @param val whether the vehicle is on the ground
+	 */
+	void SetIsOnGround(bool val);
+
+	/**
+	 * Gets whether the vehicle is on the ground
+	 * @return whether the vehicle is on the ground
+	 */
+	const bool GetIsOnGround() const { return m_IsOnGround; }
+
+	/**
+	 * Gets whether the vehicle is on rail
+	 * @return whether the vehicle is on rail
+	 */
+	void SetIsOnRail(bool val);
+
+	/**
+	 * Gets whether the vehicle is on rail
+	 * @return whether the vehicle is on rail
+	 */
+	const bool GetIsOnRail() const { return m_IsOnRail; }
+
+	void SetDirtyPosition(bool val);
+	void SetDirtyVelocity(bool val);
+	void SetDirtyAngularVelocity(bool val);
+	void SetRemoteInputInfo(const RemoteInputInfo&);
+
+private:
+	bool m_DirtyVelocity;
+	NiPoint3 m_Velocity;
+
+	bool m_DirtyAngularVelocity;
+	NiPoint3 m_AngularVelocity;
+	bool m_IsOnGround;
+	bool m_IsOnRail;
+
+	float m_SoftUpdate = 0;
+	uint32_t m_EndBehavior;
+	RemoteInputInfo m_RemoteInputInfo;
+	bool m_DirtyRemoteInput;
+};