| Old revision #phhnp7qo0 | New revision #pqejnxxvj | ||
|---|---|---|---|
| 1 | /** | 1 | /** |
| 2 | * Is this tile a target for ships to get to a nearby dock? | 2 | * Ensure this tile is not a target for ships to get to a nearby dock. |
| 3 | * @note Also takes into account Oil Rigs, even those under construction. | ||
| 3 | * @param tile Tile to query | 4 | * @param tile Tile to query |
| 4 | * @param diagdir Optional diagonal direction to look for axis compatibility. | 5 | * @param diagdir Optional diagonal direction to look for axis compatibility. |
| 5 | * @return True if the tile is a target for ships to get to a nearby dock. | 6 | * @return Succeeded if the tile is not a ship docking area of a nearby dock, |
| 6 | * @note If the axis of the provided diagdir is paralel to the axis of a nearby | 7 | * or an error message if the tile is a ship docking area of a nearby |
| 7 | * dock station, this function returns True. If diagdir is not provided, | 8 | dock. |
| 8 | * only tile locations are compared. | 9 | * @note If the axis of a provided diagdir is equal to the axis of a nearby |
| 10 | * docking area, it returns Succeeded. If diagdir is not provided, only | ||
| 11 | * the docking area location is ensured. | ||
| 9 | */ | 12 | */ |
| 10 | static | 10 | static CommandCost EnsureNoDockingTile(TileIndex tile, DiagDirection diagdir = INVALID_DIAGDIR) |
| 11 | { | 14 | { |
| 12 | Axis axis = diagdir == INVALID_DIAGDIR ? INVALID_AXIS : DiagDirToAxis(diagdir); | 15 | Axis axis = diagdir == INVALID_DIAGDIR ? INVALID_AXIS : DiagDirToAxis(diagdir); |
| 13 | 16 | … | … |
| 17 | Station *dock = Station::GetByTile(tc); | 20 | Station *dock = Station::GetByTile(tc); |
| 18 | TileIndex docking_location = TILE_ADD(dock->dock_tile, ToTileIndexDiff(GetDockOffset(dock->dock_tile))); | 21 | TileIndex docking_location = TILE_ADD(dock->dock_tile, ToTileIndexDiff(GetDockOffset(dock->dock_tile))); |
| 19 | if (axis == INVALID_AXIS) { | 22 | if (axis == INVALID_AXIS) { |
| 20 | return tile == docking_location; | 20 | return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_DOCK); |
| 21 | } | 21 | } else { |
| 22 | else { | ||
| 23 | if (tile == docking_location) { | 25 | if (tile == docking_location) { |
| 24 | Axis axis_tc = DiagDirToAxis(rot); | 26 | Axis axis_tc = DiagDirToAxis(rot); |
| 25 | return axis != axis_tc; | 27 | if (axis != axis_tc) { |
| 28 | return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_DOCK); | ||
| 29 | } | ||
| 26 | } | 30 | } |
| 27 | } | 31 | } |
| 28 | } | 32 | } |
| 29 | if (rot == DIAGDIR_NE && IsTileType(tc + TileDiffXY(-1, 0), MP_INDUSTRY) && GetIndustryGfx(tc + TileDiffXY(-1, 0)) == GFX_OILRIG_1) return true; | 33 | if (axis != AXIS_X && DiagDirToAxis(rot) == AXIS_X) { |
| 34 | if (IsTileType(tc + TileDiffXY(-1, 0), MP_INDUSTRY) && GetIndustryGfx(tc + TileDiffXY(-1, 0)) == GFX_OILRIG_1) { | ||
| 35 | return_cmd_error(STR_ERROR_SITE_UNSUITABLE); | ||
| 36 | } | ||
| 37 | } | ||
| 30 | } | 38 | } |
| 31 | 39 | ||
| 32 | return | 32 | return CommandCost(); |
| 33 | } | 41 | } |