src/overlay_cmd.cpp

   1 /* $Id$ */
   2
   3 /** @file overlay_cmd.cpp Handling of overlays. */
   4
   5 #include "stdafx.h"
   6 #include "tile_type.h"
   7 #include "tile_cmd.h"
   8 #include "overlay.h"
   9 #include "station_func.h"
  10 #include "viewport_func.h"
  11 #include "overlay_cmd.h"
  12
  13 Overlays* Overlays::instance = NULL;
  14
  15 Overlays* Overlays::Instance()
  16 {
  17         if (instance == NULL)
  18                 instance = new Overlays();
  19         return instance;
  20 };
  21
  22 void Overlays::AddStation(const Station* st)
  23 {
  24         this->catchmentOverlay.insert(st);
  25 };
  26
  27 void Overlays::RemoveStation(const Station* st)
  28 {
  29         this->catchmentOverlay.erase(st);
  30 };
  31
  32 void Overlays::ToggleStation(const Station* st)
  33 {
  34         if(this->HasStation(st)) {
  35                 this->RemoveStation(st);
  36         } else {
  37                 this->AddStation(st);
  38         }
  39 };
  40
  41 void Overlays::Clear()
  42 {
  43         this->catchmentOverlay.clear();
  44 };
  45
  46 bool Overlays::IsTileInCatchmentArea(const TileInfo* ti, CatchmentType type)
  47 {
  48         for(std::set<const Station *>::iterator iter = catchmentOverlay.begin();iter != catchmentOverlay.end();) {
  49                 const Station *st = *iter;
  50                 if( st->IsTileInCatchmentArea(ti, type))
  51                         return true;
  52                 iter++;
  53         }
  54         return false;
  55 };
  56
  57 bool Overlays::HasStation(const Station* st)
  58 {
  59         return (this->catchmentOverlay.find(st) != this->catchmentOverlay.end());
  60 };
  61
  62 Overlays::~Overlays()
  63 {
  64         this->catchmentOverlay.clear();
  65 };