src/void_cmd.cpp

   1 /* $Id: void_cmd.cpp 23160 2011-11-08 17:37:32Z yexo $ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * 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.
   6  * 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.
   7  * 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/>.
   8  */
   9
  10 /** @file void_cmd.cpp Handling of void tiles. */
  11
  12 #include "stdafx.h"
  13 #include "tile_cmd.h"
  14 #include "command_func.h"
  15 #include "viewport_func.h"
  16 #include "slope_func.h"
  17
  18 #include "table/strings.h"
  19 #include "table/sprites.h"
  20
  21 #include "safeguards.h"
  22
  23 static void DrawTile_Void(TileInfo *ti)
  24 {
  25         DrawGroundSprite(SPR_FLAT_BARE_LAND + SlopeToSpriteOffset(ti->tileh), PALETTE_ALL_BLACK);
  26 }
  27
  28
  29 static int GetSlopePixelZ_Void(TileIndex tile, uint x, uint y)
  30 {
  31         return TilePixelHeight(tile);
  32 }
  33
  34 static Foundation GetFoundation_Void(TileIndex tile, Slope tileh)
  35 {
  36         return FOUNDATION_NONE;
  37 }
  38
  39 static CommandCost ClearTile_Void(TileIndex tile, DoCommandFlag flags)
  40 {
  41         return_cmd_error(STR_ERROR_OFF_EDGE_OF_MAP);
  42 }
  43
  44
  45 static void GetTileDesc_Void(TileIndex tile, TileDesc *td)
  46 {
  47         td->str = STR_EMPTY;
  48         td->owner[0] = OWNER_NONE;
  49 }
  50
  51 static void TileLoop_Void(TileIndex tile)
  52 {
  53         /* not used */
  54 }
  55
  56 static void ChangeTileOwner_Void(TileIndex tile, Owner old_owner, Owner new_owner)
  57 {
  58         /* not used */
  59 }
  60
  61 static TrackStatus GetTileTrackStatus_Void(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
  62 {
  63         return 0;
  64 }
  65
  66 static CommandCost TerraformTile_Void(TileIndex tile, DoCommandFlag flags, int z_new, Slope tileh_new)
  67 {
  68         return_cmd_error(STR_ERROR_OFF_EDGE_OF_MAP);
  69 }
  70
  71 extern const TileTypeProcs _tile_type_void_procs = {
  72         DrawTile_Void,            // draw_tile_proc
  73         GetSlopePixelZ_Void,      // get_slope_z_proc
  74         ClearTile_Void,           // clear_tile_proc
  75         NULL,                     // add_accepted_cargo_proc
  76         GetTileDesc_Void,         // get_tile_desc_proc
  77         GetTileTrackStatus_Void,  // get_tile_track_status_proc
  78         NULL,                     // click_tile_proc
  79         NULL,                     // animate_tile_proc
  80         TileLoop_Void,            // tile_loop_proc
  81         ChangeTileOwner_Void,     // change_tile_owner_proc
  82         NULL,                     // add_produced_cargo_proc
  83         NULL,                     // vehicle_enter_tile_proc
  84         GetFoundation_Void,       // get_foundation_proc
  85         TerraformTile_Void,       // terraform_tile_proc
  86 };