signs.cpp

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/*
 * This file is part of OpenTTD.
 * 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.
 * 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.
 * 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/>.
 */
 
#include "stdafx.h"
#include "landscape.h"
#include "company_func.h"
#include "signs_base.h"
#include "signs_func.h"
#include "strings_func.h"
#include "core/pool_func.hpp"
#include "viewport_kdtree.h"
 
#include "table/strings.h"
 
#include "safeguards.h"
 
SignPool _sign_pool("Sign");
INSTANTIATE_POOL_METHODS(Sign)
 
 
Sign::Sign(Owner owner)
{
  this->owner = owner;
}
 
Sign::~Sign()
{
  if (CleaningPool()) return;
 
  DeleteRenameSignWindow(this->index);
}
 
void Sign::UpdateVirtCoord()
{
  Point pt = RemapCoords(this->x, this->y, this->z);
 
  if (this->sign.kdtree_valid) _viewport_sign_kdtree.Remove(ViewportSignKdtreeItem::MakeSign(this->index));
 
  SetDParam(0, this->index);
  this->sign.UpdatePosition(pt.x, pt.y - 6 * ZOOM_BASE, STR_WHITE_SIGN);
 
  _viewport_sign_kdtree.Insert(ViewportSignKdtreeItem::MakeSign(this->index));
}
 
void UpdateAllSignVirtCoords()
{
  for (Sign *si : Sign::Iterate()) {
    si->UpdateVirtCoord();
  }
}
 
bool CompanyCanRenameSign(const Sign *si)
{
  if (si->owner == OWNER_DEITY && _current_company != OWNER_DEITY && _game_mode != GM_EDITOR) return false;
  return true;
}