public override void UpdateBeforeSimulation()
{
return;
base.UpdateBeforeSimulation();
if (m_particleSpawnCounter-- > 0)
{
return;
}
var entity = MySession.Static.ControlledEntity as MyEntity;
if (entity == null)
{
return;
}
var controlledEntity = entity.GetTopMostParent();
if (controlledEntity == null)
{
return;
}
try
{
ProfilerShort.Begin("Grassland.UpdateBeforeSimulation");
m_particleSpawnCounter = (int)Math.Round(m_particleSpawnCounter + m_particleSpawnCounter * m_particleSpawnIntervalRandomness * (MyRandom.Instance.NextFloat() * 2.0f - 1.0f));
if (MyRandom.Instance.FloatNormal() <= m_particleDensity)
{
return;
}
var cameraPosition = MySector.MainCamera.Position;
MyPlanet nearestPlanet = MyGravityProviderSystem.GetNearestPlanet(cameraPosition);
Vector3D naturalGravity = nearestPlanet.GetWorldGravityGrid(MySector.MainCamera.Position);
if (naturalGravity.Dot(MySector.DirectionToSunNormalized) > 0) // Only spawn during the day
{
return;
}
var velocity = (MySession.Static.GetCameraControllerEnum() != MyCameraControllerEnum.Entity &&
MySession.Static.GetCameraControllerEnum() != MyCameraControllerEnum.ThirdPersonSpectator
? Vector3.Zero : controlledEntity.Physics.LinearVelocity);
var speed = velocity.Length();
var cameraPositionLocal = Vector3D.Transform(cameraPosition, MatrixD.Invert(nearestPlanet.WorldMatrix));
//Vector3D nearestSurfacePointLocal = nearestPlanet.GetClosestSurfacePointLocal(cameraPosition);
// Vector3D nearestSurfacePointWorld = Vector3D.Transform(nearestSurfacePointLocal, nearestPlanet.WorldMatrix);
// bool test = nearestPlanet.IsFloraAtPosition(nearestSurfacePointLocal);
var currentCharacter = controlledEntity as MyCharacter;
float characterFlyingMaxSpeed = (currentCharacter != null) ? currentCharacter.Physics.CharacterProxy.CharacterFlyingMaxLinearVelocity() : MyGridPhysics.ShipMaxLinearVelocity();
Vector3 halfExtents = Vector3.One * m_particleSpawnDistance;
if (speed / characterFlyingMaxSpeed > 1.0f)
{
halfExtents += 10.0f * velocity / characterFlyingMaxSpeed;
}
var entityTranslation = cameraPosition;
var searchPosition = entityTranslation + velocity;
MyPhysics.GetPenetrationsBox(ref halfExtents, ref searchPosition, ref Quaternion.Identity, m_bodyCollisions, MyPhysics.CollisionLayers.NotCollideWithStaticLayer);
var spawnPosition = default(Vector3D);
bool spawnPositionFound = false;
foreach (var foundEntity in m_bodyCollisions)
{
var environmentItems = foundEntity.Body.GetEntity(foundEntity.ShapeKey) as MyEnvironmentItems;
if (environmentItems != null)
{
environmentItems.GetAllItemsInRadius(searchPosition, m_particleSpawnDistance, m_tmpItemInfos);
}
}
if (m_tmpItemInfos.Count != 0)
{
int selectedTreeIndex = MyRandom.Instance.Next(0, m_tmpItemInfos.Count - 1);
spawnPosition = m_tmpItemInfos[selectedTreeIndex].Transform.Position;
spawnPositionFound = true;
}
if (!spawnPositionFound)
{
return;
}
var spawnedParticle = Spawn(spawnPosition);
if (spawnedParticle == null)
{
return;
}
InitializePath(spawnedParticle);
}
finally
{
m_bodyCollisions.Clear();
ProfilerShort.End();
}
}