public void GetEntityInRangePointTest()
{
// Arrange
var baseEnt = EntityManager.SpawnEntity("dummyPoint");
var inRangeEnt = EntityManager.SpawnEntity("dummyPoint");
inRangeEnt.GetComponent <IServerTransformComponent>().WorldPosition = new Vector2(-2, -2);
// Act
var results = EntityManager.GetEntitiesInRange(baseEnt, 4.00f);
// Cleanup
var list = results.ToList();
EntityManager.FlushEntities();
// Assert
Assert.That(list.Count, Is.EqualTo(2), list.Count.ToString);
}
private IEntity FindBestTarget()
{
// "best" target is the closest one with LOS
var ents = _entMan.GetEntitiesInRange(SelfEntity, VisionRadius);
var myTransform = SelfEntity.GetComponent <IServerTransformComponent>();
var maxRayLen = VisionRadius * 2.5f; // circle inscribed in square, square diagonal = 2*r*sqrt(2)
_workList.Clear();
foreach (var entity in ents)
{
// filter to "people" entities (entities with controllers)
if (!entity.HasComponent <IMoverComponent>())
{
continue;
}
// build the ray
var dir = entity.GetComponent <TransformComponent>().WorldPosition - myTransform.WorldPosition;
var ray = new Ray(myTransform.WorldPosition, dir.Normalized);
// cast the ray
var result = _physMan.IntersectRay(ray, maxRayLen);
// add to visible list
if (result.HitEntity == entity)
{
_workList.Add(entity);
}
}
// get closest entity in list
var closestEnt = GetClosest(myTransform.WorldPosition, _workList);
// return closest
return(closestEnt);
}
private bool Explosion()
{
var maxRange = MathHelper.Max(DevastationRange, HeavyImpactRange, LightImpactRange, 0f);
//Entity damage calculation
var entitiesAll = _serverEntityManager.GetEntitiesInRange(Owner.Transform.GridPosition, maxRange).ToList();
foreach (var entity in entitiesAll)
{
Owner.Delete();
if (entity == Owner)
{
continue;
}
if (!entity.Transform.IsMapTransform)
{
continue;
}
var distanceFromEntity = (int)entity.Transform.GridPosition.Distance(_mapManager, Owner.Transform.GridPosition);
var exAct = _entitySystemManager.GetEntitySystem <ActSystem>();
var severity = ExplosionSeverity.Destruction;
if (distanceFromEntity < DevastationRange)
{
severity = ExplosionSeverity.Destruction;
}
else if (distanceFromEntity < HeavyImpactRange)
{
severity = ExplosionSeverity.Heavy;
}
else if (distanceFromEntity < LightImpactRange)
{
severity = ExplosionSeverity.Light;
}
else
{
continue;
}
exAct.HandleExplosion(Owner, entity, severity);
}
//Tile damage calculation mockup
//TODO: make it into some sort of actual damage component or whatever the boys think is appropriate
var mapGrid = _mapManager.GetGrid(Owner.Transform.GridPosition.GridID);
var circle = new Circle(Owner.Transform.GridPosition.Position, maxRange);
var tiles = mapGrid.GetTilesIntersecting(circle);
foreach (var tile in tiles)
{
var tileLoc = mapGrid.GridTileToLocal(tile.GridIndices);
var tileDef = (ContentTileDefinition)_tileDefinitionManager[tile.Tile.TypeId];
var distanceFromTile = (int)tileLoc.Distance(_mapManager, Owner.Transform.GridPosition);
if (!string.IsNullOrWhiteSpace(tileDef.SubFloor))
{
if (distanceFromTile < DevastationRange)
{
mapGrid.SetTile(tileLoc, new Tile(_tileDefinitionManager["space"].TileId));
}
if (distanceFromTile < HeavyImpactRange)
{
if (new Random().Prob(80))
{
mapGrid.SetTile(tileLoc, new Tile(_tileDefinitionManager[tileDef.SubFloor].TileId));
}
else
{
mapGrid.SetTile(tileLoc, new Tile(_tileDefinitionManager["space"].TileId));
}
}
if (distanceFromTile < LightImpactRange)
{
if (new Random().Prob(50))
{
mapGrid.SetTile(tileLoc, new Tile(_tileDefinitionManager[tileDef.SubFloor].TileId));
}
}
}
}
//Effects and sounds
var time = IoCManager.Resolve <IGameTiming>().CurTime;
var message = new EffectSystemMessage
{
EffectSprite = "Effects/explosion.rsi",
RsiState = "explosionfast",
Born = time,
DeathTime = time + TimeSpan.FromSeconds(5),
Size = new Vector2(FlashRange / 2, FlashRange / 2),
Coordinates = Owner.Transform.GridPosition,
//Rotated from east facing
Rotation = 0f,
ColorDelta = new Vector4(0, 0, 0, -1500f),
Color = Vector4.Multiply(new Vector4(255, 255, 255, 750), 0.5f),
Shaded = false
};
_entitySystemManager.GetEntitySystem <EffectSystem>().CreateParticle(message);
_entitySystemManager.GetEntitySystem <AudioSystem>().Play("/Audio/effects/explosion.ogg", Owner);
// Knock back cameras of all players in the area.
var playerManager = IoCManager.Resolve <IPlayerManager>();
var selfPos = Owner.Transform.WorldPosition;
foreach (var player in playerManager.GetAllPlayers())
{
if (player.AttachedEntity == null ||
player.AttachedEntity.Transform.MapID != mapGrid.ParentMapId ||
!player.AttachedEntity.TryGetComponent(out CameraRecoilComponent recoil))
{
continue;
}
var playerPos = player.AttachedEntity.Transform.WorldPosition;
var delta = selfPos - playerPos;
var distance = delta.LengthSquared;
var effect = 1 / (1 + 0.2f * distance);
if (effect > 0.01f)
{
var kick = -delta.Normalized * effect;
recoil.Kick(kick);
}
}
return(true);
}
