pokeemerald/include/constants/battle_frontier.h

#ifndef GUARD_CONSTANTS_BATTLE_FRONTIER_H
#define GUARD_CONSTANTS_BATTLE_FRONTIER_H

// Battle Frontier facility ids.
#define FRONTIER_FACILITY_TOWER 0
#define FRONTIER_FACILITY_DOME 1
#define FRONTIER_FACILITY_PALACE 2
#define FRONTIER_FACILITY_ARENA 3
#define FRONTIER_FACILITY_FACTORY 4
#define FRONTIER_FACILITY_PIKE 5
#define FRONTIER_FACILITY_PYRAMID 6

#define TENT_VERDANTURF 2
#define TENT_FALLARBOR 3
#define TENT_SLATEPORT 4

// Battle Frontier lvl modes.
#define FRONTIER_LVL_50 0
#define FRONTIER_LVL_OPEN 1
#define FRONTIER_LVL_TENT 2

// Battle Frontier battle modes.
#define FRONTIER_MODE_SINGLES 0
#define FRONTIER_MODE_DOUBLES 1
#define FRONTIER_MODE_MULTIS 2
#define FRONTIER_MODE_LINK_MULTIS 3

// Special trainer battles.
#define SPECIAL_BATTLE_TOWER 0
#define SPECIAL_BATTLE_SECRET_BASE 1
#define SPECIAL_BATTLE_EREADER 2
#define SPECIAL_BATTLE_DOME 3
#define SPECIAL_BATTLE_PALACE 4
#define SPECIAL_BATTLE_ARENA 5
#define SPECIAL_BATTLE_FACTORY 6
#define SPECIAL_BATTLE_PIKE_SINGLE 7
#define SPECIAL_BATTLE_STEVEN 8
#define SPECIAL_BATTLE_PIKE_DOUBLE 9
#define SPECIAL_BATTLE_PYRAMID 10

// For 'ShowFacilityResultsWindow' function which is a part of the 'CallFrontierUtilFunc' special.
#define RESULTS_LINK_CONTEST 7

#endif // GUARD_CONSTANTS_BATTLE_FRONTIER_H