void_cmd.cpp

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "tile_cmd.h"
00014 #include "command_func.h"
00015 #include "viewport_func.h"
00016 
00017 #include "table/strings.h"
00018 #include "table/sprites.h"
00019 
00020 static void DrawTile_Void(TileInfo *ti)
00021 {
00022   DrawGroundSprite(SPR_SHADOW_CELL, PAL_NONE);
00023 }
00024 
00025 
00026 static int GetSlopePixelZ_Void(TileIndex tile, uint x, uint y)
00027 {
00028   return TilePixelHeight(tile);
00029 }
00030 
00031 static Foundation GetFoundation_Void(TileIndex tile, Slope tileh)
00032 {
00033   return FOUNDATION_NONE;
00034 }
00035 
00036 static CommandCost ClearTile_Void(TileIndex tile, DoCommandFlag flags)
00037 {
00038   return_cmd_error(STR_ERROR_OFF_EDGE_OF_MAP);
00039 }
00040 
00041 
00042 static void GetTileDesc_Void(TileIndex tile, TileDesc *td)
00043 {
00044   td->str = STR_EMPTY;
00045   td->owner[0] = OWNER_NONE;
00046 }
00047 
00048 static void TileLoop_Void(TileIndex tile)
00049 {
00050   /* not used */
00051 }
00052 
00053 static void ChangeTileOwner_Void(TileIndex tile, Owner old_owner, Owner new_owner)
00054 {
00055   /* not used */
00056 }
00057 
00058 static TrackStatus GetTileTrackStatus_Void(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
00059 {
00060   return 0;
00061 }
00062 
00063 static CommandCost TerraformTile_Void(TileIndex tile, DoCommandFlag flags, int z_new, Slope tileh_new)
00064 {
00065   return_cmd_error(STR_ERROR_OFF_EDGE_OF_MAP);
00066 }
00067 
00068 extern const TileTypeProcs _tile_type_void_procs = {
00069   DrawTile_Void,            // draw_tile_proc
00070   GetSlopePixelZ_Void,      // get_slope_z_proc
00071   ClearTile_Void,           // clear_tile_proc
00072   NULL,                     // add_accepted_cargo_proc
00073   GetTileDesc_Void,         // get_tile_desc_proc
00074   GetTileTrackStatus_Void,  // get_tile_track_status_proc
00075   NULL,                     // click_tile_proc
00076   NULL,                     // animate_tile_proc
00077   TileLoop_Void,            // tile_loop_proc
00078   ChangeTileOwner_Void,     // change_tile_owner_proc
00079   NULL,                     // add_produced_cargo_proc
00080   NULL,                     // vehicle_enter_tile_proc
00081   GetFoundation_Void,       // get_foundation_proc
00082   TerraformTile_Void,       // terraform_tile_proc
00083 };