コード例 #1
0
        private bool IsRCDStillValid(RCDComponent rcd, AfterInteractEvent eventArgs, IMapGrid mapGrid, TileRef tile, RcdMode startingMode)
        {
            //Less expensive checks first. Failing those ones, we need to check that the tile isn't obstructed.
            if (rcd.CurrentAmmo <= 0)
            {
                _popup.PopupEntity(Loc.GetString("rcd-component-no-ammo-message"), rcd.Owner, Filter.Entities(eventArgs.User));
                return(false);
            }

            if (rcd.Mode != startingMode)
            {
                return(false);
            }

            var unobstructed = eventArgs.Target == null
                ? _interactionSystem.InRangeUnobstructed(eventArgs.User, mapGrid.GridTileToWorld(tile.GridIndices), popup : true)
                : _interactionSystem.InRangeUnobstructed(eventArgs.User, eventArgs.Target.Value, popup: true);

            if (!unobstructed)
            {
                return(false);
            }

            switch (rcd.Mode)
            {
            //Floor mode just needs the tile to be a space tile (subFloor)
            case RcdMode.Floors:
                if (!tile.Tile.IsEmpty)
                {
                    _popup.PopupEntity(Loc.GetString("rcd-component-cannot-build-floor-tile-not-empty-message"), rcd.Owner, Filter.Entities(eventArgs.User));
                    return(false);
                }

                return(true);

            //We don't want to place a space tile on something that's already a space tile. Let's do the inverse of the last check.
            case RcdMode.Deconstruct:
                if (tile.Tile.IsEmpty)
                {
                    return(false);
                }

                //They tried to decon a turf but the turf is blocked
                if (eventArgs.Target == null && tile.IsBlockedTurf(true))
                {
                    _popup.PopupEntity(Loc.GetString("rcd-component-tile-obstructed-message"), rcd.Owner, Filter.Entities(eventArgs.User));
                    return(false);
                }
                //They tried to decon a non-turf but it's not in the whitelist
                if (eventArgs.Target != null && !_tagSystem.HasTag(eventArgs.Target.Value, "RCDDeconstructWhitelist"))
                {
                    _popup.PopupEntity(Loc.GetString("rcd-component-deconstruct-target-not-on-whitelist-message"), rcd.Owner, Filter.Entities(eventArgs.User));
                    return(false);
                }

                return(true);

            //Walls are a special behaviour, and require us to build a new object with a transform rather than setting a grid tile, thus we early return to avoid the tile set code.
            case RcdMode.Walls:
                if (tile.Tile.IsEmpty)
                {
                    _popup.PopupEntity(Loc.GetString("rcd-component-cannot-build-wall-tile-not-empty-message"), rcd.Owner, Filter.Entities(eventArgs.User));
                    return(false);
                }

                if (tile.IsBlockedTurf(true))
                {
                    _popup.PopupEntity(Loc.GetString("rcd-component-tile-obstructed-message"), rcd.Owner, Filter.Entities(eventArgs.User));
                    return(false);
                }
                return(true);

            case RcdMode.Airlock:
                if (tile.Tile.IsEmpty)
                {
                    _popup.PopupEntity(Loc.GetString("rcd-component-cannot-build-airlock-tile-not-empty-message"), rcd.Owner, Filter.Entities(eventArgs.User));
                    return(false);
                }
                if (tile.IsBlockedTurf(true))
                {
                    _popup.PopupEntity(Loc.GetString("rcd-component-tile-obstructed-message"), rcd.Owner, Filter.Entities(eventArgs.User));
                    return(false);
                }
                return(true);

            default:
                return(false);    //I don't know why this would happen, but sure I guess. Get out of here invalid state!
            }
        }