src/signs.cpp

   1 /* $Id$ */
   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 /** Initialize the sign-pool */
  22 template<> Sign::Pool Sign::PoolItem::pool ("Sign");
  23 INSTANTIATE_POOL_METHODS(Sign)
  24
  25 /**
  26  * Creates a new sign
  27  */
  28 Sign::Sign(Owner owner)
  29 {
  30         this->owner = owner;
  31 }
  32
  33 /** Destroy the sign */
  34 Sign::~Sign()
  35 {
  36         free(this->name);
  37
  38         if (CleaningPool()) return;
  39
  40         DeleteRenameSignWindow(this->index);
  41 }
  42
  43 /**
  44  * Update the coordinate of one sign
  45  */
  46 void Sign::UpdateVirtCoord()
  47 {
  48         Point pt = RemapCoords(this->x, this->y, this->z);
  49         SetDParam(0, this->index);
  50         this->sign.UpdatePosition(pt.x, pt.y - 6 * ZOOM_LVL_BASE, STR_WHITE_SIGN);
  51 }
  52
  53 /** Update the coordinates of all signs */
  54 void UpdateAllSignVirtCoords()
  55 {
  56         Sign *si;
  57
  58         FOR_ALL_SIGNS(si) {
  59                 si->UpdateVirtCoord();
  60         }
  61 }