src/signs.cpp

   1 /* $Id: signs.cpp 23319 2011-11-24 17:37:20Z peter1138 $ */
   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 signs.cpp Handling of signs. */
  11
  12 #include "stdafx.h"
  13 #include "landscape.h"
  14 #include "signs_base.h"
  15 #include "signs_func.h"
  16 #include "strings_func.h"
  17 #include "core/pool_func.hpp"
  18
  19 #include "table/strings.h"
  20
  21 #include "safeguards.h"
  22
  23 /** Initialize the sign-pool */
  24 SignPool _sign_pool("Sign");
  25 INSTANTIATE_POOL_METHODS(Sign)
  26
  27 /**
  28  * Creates a new sign
  29  */
  30 Sign::Sign(Owner owner)
  31 {
  32         this->owner = owner;
  33 }
  34
  35 /** Destroy the sign */
  36 Sign::~Sign()
  37 {
  38         free(this->name);
  39
  40         if (CleaningPool()) return;
  41
  42         DeleteRenameSignWindow(this->index);
  43 }
  44
  45 /**
  46  * Update the coordinate of one sign
  47  */
  48 void Sign::UpdateVirtCoord()
  49 {
  50         Point pt = RemapCoords(this->x, this->y, this->z);
  51         SetDParam(0, this->index);
  52         this->sign.UpdatePosition(pt.x, pt.y - 6 * ZOOM_LVL_BASE, STR_WHITE_SIGN);
  53 }
  54
  55 /** Update the coordinates of all signs */
  56 void UpdateAllSignVirtCoords()
  57 {
  58         Sign *si;
  59
  60         FOR_ALL_SIGNS(si) {
  61                 si->UpdateVirtCoord();
  62         }
  63 }