src/signs.cpp

   1 /*
   2  * This file is part of OpenTTD.
   3  * 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.
   4  * 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.
   5  * 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/>.
   6  */
   7
   8 /** @file signs.cpp Handling of signs. */
   9
  10 #include "stdafx.h"
  11 #include "landscape.h"
  12 #include "signs_base.h"
  13 #include "signs_func.h"
  14 #include "strings_func.h"
  15 #include "core/pool_func.hpp"
  16 #include "viewport_kdtree.h"
  17
  18 #include "table/strings.h"
  19
  20 #include "safeguards.h"
  21
  22 /** Initialize the sign-pool */
  23 SignPool _sign_pool("Sign");
  24 INSTANTIATE_POOL_METHODS(Sign)
  25
  26 /**
  27  * Creates a new sign
  28  */
  29 Sign::Sign(Owner owner)
  30 {
  31         this->owner = owner;
  32 }
  33
  34 /** Destroy the sign */
  35 Sign::~Sign()
  36 {
  37         free(this->name);
  38
  39         if (CleaningPool()) return;
  40
  41         DeleteRenameSignWindow(this->index);
  42 }
  43
  44 /**
  45  * Update the coordinate of one sign
  46  */
  47 void Sign::UpdateVirtCoord()
  48 {
  49         Point pt = RemapCoords(this->x, this->y, this->z);
  50
  51         if (this->sign.kdtree_valid) _viewport_sign_kdtree.Remove(ViewportSignKdtreeItem::MakeSign(this->index));
  52
  53         SetDParam(0, this->index);
  54         this->sign.UpdatePosition(pt.x, pt.y - 6 * ZOOM_LVL_BASE, STR_WHITE_SIGN);
  55
  56         _viewport_sign_kdtree.Insert(ViewportSignKdtreeItem::MakeSign(this->index));
  57 }
  58
  59 /** Update the coordinates of all signs */
  60 void UpdateAllSignVirtCoords()
  61 {
  62         for (Sign *si : Sign::Iterate()) {
  63                 si->UpdateVirtCoord();
  64         }
  65 }