IPlacementBoardRelocatable.cs

using System;
using Assets.Scripts.Inventory;
using Assets.Scripts.Objects;

namespace LibConstruct;

public interface IPlacementBoardRelocatable : IPlacementBoardStructure, IReferencable
{
  public Thing GetAsThing { get; } // from Thing
  public Structure AsStructure { get; } // from Thing

  // called when this structure is relocated
  public void OnStructureRelocated();
}

public static class BoardRelocateHooks
{
  // called like:
  // if (attack.SourceItem is MyRelocateTool myTool)
  //   return BoardRelocateHooks.StructureAttackWith(this, attack, doAction, BoardRelocateHooks.NormalToolRelocateContinue(myTool));
  public static Thing.DelayedActionInstance StructureAttackWith(IPlacementBoardRelocatable structure, Attack attack, bool doAction, Func<bool> continueRelocating = null)
  {
    // mark the current attack as a relocate start attack so we process it on the client
    InventoryManagerPatch.IsRelocateAttack = true;

    var action = new Thing.DelayedActionInstance
    {
      Duration = 0f,
      ActionMessage = CustomGameStrings.BoardStructureRelocateAction,
    };
    if (doAction && PlacementBoard.RelocateMouseReleased)
      PlacementBoard.StartRelocate(structure, continueRelocating);
    return action.Succeed();
  }

  public static Func<bool> NormalToolRelocateContinue(DynamicThing tool)
  {
    return () =>
      tool &&
      InventoryManager.ActiveHandSlot.Get() == tool &&
      InventoryManager.CurrentMode == InventoryManager.Mode.Normal &&
      !KeyManager.GetMouseDown("Secondary");
  }
}