struct SEnvironmentLayer {
  float minSpeed;
  float minSpeedSizeScale;
  float minSpeedCountScale;
  float minSpeedSpeedScale;
  float maxSpeed;
  float maxSpeedSizeScale;
  float maxSpeedCountScale;
  float maxSpeedSpeedScale;
  float minPowerSizeScale;
  float minPowerCountScale;
  float minPowerSpeedScale;
  float maxPowerSizeScale;
  float maxPowerCountScale;
  float maxPowerSpeedScale;
  float alignGroundHeight;
  float maxHeightSizeScale;
  float maxHeightCountScale;
  bool alignToWater;
  bool active;
};

IVehicleSystem.h

SEnvironmentParticles Holds params for environment particles like dust, dirt.. A vehicle can use several layers to control different effects with distinct parameters.

bool active;

float alignGroundHeight;

bool alignToWater;

float maxHeightCountScale;

float maxHeightSizeScale;

float maxPowerCountScale;

float maxPowerSizeScale;

float maxPowerSpeedScale;

float maxSpeed;

float maxSpeedCountScale;

float maxSpeedSizeScale;

float maxSpeedSpeedScale;

float minPowerCountScale;

float minPowerSizeScale;

float minPowerSpeedScale;

float minSpeed;

float minSpeedCountScale;

float minSpeedSizeScale;

float minSpeedSpeedScale;

virtual ~SEnvironmentLayer();

virtual size_t GetGroupCount() const = 0;

virtual IVehicleHelper* GetHelper(int idx) const = 0;

virtual size_t GetHelperCount() const = 0;

virtual const char* GetName() const = 0;

virtual int GetWheelAt(int group, int wheel) const = 0;

virtual size_t GetWheelCount(int group) const = 0;

virtual bool IsGroupActive(int group) const = 0;

SEnvironmentLayer();

virtual void SetGroupActive(int group, bool active) = 0;