crystall-punk-14/Content.Server/GameObjects/Components/Power/WirePlacerComponent.cs

using Content.Server.GameObjects.Components.Stack;
using Content.Server.GameObjects.EntitySystems;
using Content.Server.Utility;
using Robust.Server.GameObjects;
using Robust.Server.Interfaces.GameObjects;
using Robust.Shared.GameObjects;
using Robust.Shared.GameObjects.Components.Transform;
using Robust.Shared.Interfaces.GameObjects;
using Robust.Shared.Interfaces.Map;
using Robust.Shared.IoC;
using Robust.Shared.Map;

namespace Content.Server.GameObjects.Components.Power
{
    [RegisterComponent]
    internal class WirePlacerComponent : Component, IAfterInteract
    {
#pragma warning disable 649
        [Dependency] private readonly IServerEntityManager _entityManager;
        [Dependency] private readonly IMapManager _mapManager;
#pragma warning restore 649

        /// <inheritdoc />
        public override string Name => "WirePlacer";

        /// <inheritdoc />
        public void AfterInteract(AfterInteractEventArgs eventArgs)
        {
            if (!InteractionChecks.InRangeUnobstructed(eventArgs)) return;

            if(!_mapManager.TryGetGrid(eventArgs.ClickLocation.GridID, out var grid))
                return;

            var snapPos = grid.SnapGridCellFor(eventArgs.ClickLocation, SnapGridOffset.Center);
            var snapCell = grid.GetSnapGridCell(snapPos, SnapGridOffset.Center);

            if(grid.GetTileRef(snapPos).Tile.IsEmpty)
                return;

            var found = false;
            foreach (var snapComp in snapCell)
            {
                if (!snapComp.Owner.HasComponent<PowerTransferComponent>())
                    continue;

                found = true;
                break;
            }

            if (found)
                return;

            bool hasItemSpriteComp = Owner.TryGetComponent(out SpriteComponent itemSpriteComp);

            if (Owner.TryGetComponent(out StackComponent stack) && !stack.Use(1))
                return;

            GridCoordinates coordinates = grid.GridTileToLocal(snapPos);
            var newWire = _entityManager.SpawnEntity("Wire", coordinates);
            if (newWire.TryGetComponent(out SpriteComponent wireSpriteComp) && hasItemSpriteComp)
            {
                wireSpriteComp.Color = itemSpriteComp.Color;
            }

            //TODO: There is no way to set this wire as above or below the floor
        }
    }
}