Files
tbd-station-14/Content.Server/GameObjects/Components/Fluids/SpillHelper.cs
2020-04-21 20:23:12 +02:00

91 lines
3.1 KiB
C#

using Content.Shared.Chemistry;
using Robust.Server.Interfaces.GameObjects;
using Robust.Shared.Interfaces.GameObjects;
using Robust.Shared.Interfaces.Map;
using Robust.Shared.IoC;
using Robust.Shared.Map;
namespace Content.Server.GameObjects.Components.Fluids
{
public static class SpillHelper
{
/// <summary>
/// Spills the specified solution at the entity's location if possible.
/// </summary>
/// <param name="entity">Entity location to spill at</param>
/// <param name="solution">Initial solution for the prototype</param>
/// <param name="prototype">Prototype to use</param>
internal static void SpillAt(IEntity entity, Solution solution, string prototype)
{
var entityLocation = entity.Transform.GridPosition;
SpillAt(entityLocation, solution, prototype);
}
// Other functions will be calling this one
/// <summary>
/// Spills solution at the specified grid co-ordinates
/// </summary>
/// <param name="gridCoordinates"></param>
/// <param name="solution">Initial solution for the prototype</param>
/// <param name="prototype">Prototype to use</param>
internal static void SpillAt(GridCoordinates gridCoordinates, Solution solution, string prototype)
{
if (solution.TotalVolume == 0)
{
return;
}
var mapManager = IoCManager.Resolve<IMapManager>();
var entityManager = IoCManager.Resolve<IEntityManager>();
var serverEntityManager = IoCManager.Resolve<IServerEntityManager>();
var mapGrid = mapManager.GetGrid(gridCoordinates.GridID);
// If space return early, let that spill go out into the void
var tileRef = mapGrid.GetTileRef(gridCoordinates);
if (tileRef.Tile.IsEmpty)
{
return;
}
// Get normalized co-ordinate for spill location and spill it in the centre
// TODO: Does SnapGrid or something else already do this?
var spillTileMapGrid = mapManager.GetGrid(gridCoordinates.GridID);
var spillTileRef = spillTileMapGrid.GetTileRef(gridCoordinates).GridIndices;
var spillGridCoords = spillTileMapGrid.GridTileToLocal(spillTileRef);
var spilt = false;
foreach (var spillEntity in entityManager.GetEntitiesAt(spillTileMapGrid.ParentMapId, spillGridCoords.Position))
{
if (!spillEntity.TryGetComponent(out PuddleComponent puddleComponent))
{
continue;
}
if (!puddleComponent.TryAddSolution(solution))
{
continue;
}
spilt = true;
break;
}
// Did we add to an existing puddle
if (spilt)
{
return;
}
var puddle = serverEntityManager.SpawnEntity(prototype, spillGridCoords);
puddle.GetComponent<PuddleComponent>().TryAddSolution(solution);
}
}
}