Files
tbd-station-14/Content.Server/Maps/TileSystem.cs
2023-07-17 01:47:20 -06:00

125 lines
4.0 KiB
C#

using System.Numerics;
using Content.Server.Decals;
using Content.Shared.Coordinates.Helpers;
using Content.Shared.Decals;
using Content.Shared.Maps;
using Robust.Shared.Map;
using Robust.Shared.Map.Components;
using Robust.Shared.Random;
namespace Content.Server.Maps;
/// <summary>
/// Handles server-side tile manipulation like prying/deconstructing tiles.
/// </summary>
public sealed class TileSystem : EntitySystem
{
[Dependency] private readonly IMapManager _mapManager = default!;
[Dependency] private readonly ITileDefinitionManager _tileDefinitionManager = default!;
[Dependency] private readonly IRobustRandom _robustRandom = default!;
[Dependency] private readonly DecalSystem _decal = default!;
[Dependency] private readonly TurfSystem _turf = default!;
public bool PryTile(Vector2i indices, EntityUid gridId)
{
var grid = _mapManager.GetGrid(gridId);
var tileRef = grid.GetTileRef(indices);
return PryTile(tileRef);
}
public bool PryTile(TileRef tileRef)
{
return PryTile(tileRef, false);
}
public bool PryTile(TileRef tileRef, bool pryPlating)
{
var tile = tileRef.Tile;
if (tile.IsEmpty)
return false;
var tileDef = (ContentTileDefinition) _tileDefinitionManager[tile.TypeId];
if (!tileDef.CanCrowbar && !(pryPlating && tileDef.CanAxe))
return false;
return DeconstructTile(tileRef);
}
public bool CutTile(TileRef tileRef)
{
var tile = tileRef.Tile;
if (tile.IsEmpty)
return false;
var tileDef = (ContentTileDefinition) _tileDefinitionManager[tile.TypeId];
if (!tileDef.CanWirecutter)
return false;
return DeconstructTile(tileRef);
}
public bool ReplaceTile(TileRef tileref, ContentTileDefinition replacementTile)
{
if (!TryComp<MapGridComponent>(tileref.GridUid, out var grid))
return false;
return ReplaceTile(tileref, replacementTile, tileref.GridUid, grid);
}
public bool ReplaceTile(TileRef tileref, ContentTileDefinition replacementTile, EntityUid grid, MapGridComponent? component = null)
{
if (!Resolve(grid, ref component))
return false;
var variant = _robustRandom.Pick(replacementTile.PlacementVariants);
var decals = _decal.GetDecalsInRange(tileref.GridUid, _turf.GetTileCenter(tileref).Position, 0.5f);
foreach (var (id, _) in decals)
{
_decal.RemoveDecal(tileref.GridUid, id);
}
component.SetTile(tileref.GridIndices, new Tile(replacementTile.TileId, 0, variant));
return true;
}
private bool DeconstructTile(TileRef tileRef)
{
if (tileRef.Tile.IsEmpty)
return false;
var tileDef = (ContentTileDefinition) _tileDefinitionManager[tileRef.Tile.TypeId];
if (string.IsNullOrEmpty(tileDef.BaseTurf))
return false;
var mapGrid = _mapManager.GetGrid(tileRef.GridUid);
const float margin = 0.1f;
var bounds = mapGrid.TileSize - margin * 2;
var indices = tileRef.GridIndices;
var coordinates = mapGrid.GridTileToLocal(indices)
.Offset(new Vector2(
(_robustRandom.NextFloat() - 0.5f) * bounds,
(_robustRandom.NextFloat() - 0.5f) * bounds));
//Actually spawn the relevant tile item at the right position and give it some random offset.
var tileItem = Spawn(tileDef.ItemDropPrototypeName, coordinates);
Transform(tileItem).LocalRotation = _robustRandom.NextDouble() * Math.Tau;
// Destroy any decals on the tile
var decals = _decal.GetDecalsInRange(tileRef.GridUid, coordinates.SnapToGrid(EntityManager, _mapManager).Position, 0.5f);
foreach (var (id, _) in decals)
{
_decal.RemoveDecal(tileRef.GridUid, id);
}
var plating = _tileDefinitionManager[tileDef.BaseTurf];
mapGrid.SetTile(tileRef.GridIndices, new Tile(plating.TileId));
return true;
}
}