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bool Survolable(this Object*) {
  return this.GetProperty("Survolable") > 0 && this.View > 0;
}

function MetPasSurvole(this Object*){
  if (object[i].Survolable()) {
    if (object[i].GetProperty("Survolable") > 1)
      object[i].SetView(object[i].View,object[i].Loop,2);
    else
      object[i].SetView(object[i].View,object[i].Loop,0);
  }
}

function on_event (EventType event, int data) {
  int i = 0;
  while (i < Room.ObjectCount) {
    object[i].MetPasSurvole();
    i++;
  }
}

function unhandled_event (int what, int type) {
  if (what == 2 && type == 1) { // what:2 = objet, type:1 = interact
    Object* survole = Object.GetAtScreenXY(mouse.x,mouse.y);
    if (survole != null && survole.Survolable())
      survole.SetProperty("Survolable",2);
  }
}

Object* anciennement_survole;
function repeatedly_execute() {
  Object* survole = Object.GetAtScreenXY(mouse.x,mouse.y);
  if (survole!=anciennement_survole){
    if (anciennement_survole != null)
      anciennement_survole.MetPasSurvole();
    if (survole != null){
      anciennement_survole = survole;
      if (survole.Survolable())
        survole.SetView(survole.View,survole.Loop,1);
    }
  }
}