(svn r9369) [NoAI] -Codechange: make some IsValidXXX() function static, so they can be used by the other classes without the need for an instance.
/* $Id$ */
/** @file ai_town.cpp handles the town-related functions of the AITown class */
#include "ai_town.hpp"
#include "../../town.h"
#include "../../strings.h"
#include "../../variables.h" /* For SetDParam */
#include "table/strings.h"
TownID AITown::GetMaxTownID()
{
return ::GetMaxTownIndex();
}
int32 AITown::GetTownCount()
{
return ::GetNumTowns();
}
/* static */ bool AITown::IsValidTown(TownID town_id)
{
return ::IsValidTownID(town_id);
}
char *AITown::GetName(TownID town_id)
{
if (!this->IsValidTown(town_id)) return NULL;
static const int len = 64;
char *town_name = MallocT<char>(len);
SetDParam(0, town_id);
GetString(town_name, STR_TOWN, &town_name[len - 1]);
return town_name;
}
int32 AITown::GetPopulation(TownID town_id)
{
if (!this->IsValidTown(town_id)) return 0;
const Town *t = ::GetTown(town_id);
return t->population;
}
TileIndex AITown::GetLocation(TownID town_id)
{
if (!this->IsValidTown(town_id)) return INVALID_TILE;
const Town *t = ::GetTown(town_id);
return t->xy;
}