#pragma once

/*
 * GameConstants.h, part of VCMI engine
 *
 * Authors: listed in file AUTHORS in main folder
 *
 * License: GNU General Public License v2.0 or later
 * Full text of license available in license.txt file, in main folder
 *
 */

#include "ConstTransitivePtr.h"

namespace GameConstants
{
	const std::string VCMI_VERSION = "VCMI 0.98f";

	const int BFIELD_WIDTH = 17;
	const int BFIELD_HEIGHT = 11;
	const int BFIELD_SIZE = BFIELD_WIDTH * BFIELD_HEIGHT;

	const int PUZZLE_MAP_PIECES = 48;

	const int MAX_HEROES_PER_PLAYER = 8;
	const int AVAILABLE_HEROES_PER_PLAYER = 2;

	const int ALL_PLAYERS = 255; //bitfield

	const ui16 BACKPACK_START = 19;
	const int CREATURES_PER_TOWN = 7; //without upgrades
	const int SPELL_LEVELS = 5;
	const int SPELL_SCHOOL_LEVELS = 4;
	const int CRE_LEVELS = 10; // number of creature experience levels

	const int SPELLBOOK_GOLD_COST = 500;
	const int BATTLE_PENALTY_DISTANCE = 10; //if the distance is > than this, then shooting stack has distance penalty
	const int ARMY_SIZE = 7;
	const int SKILL_PER_HERO=8;

	const int SKILL_QUANTITY=28;
	const int PRIMARY_SKILLS=4;
	const int TERRAIN_TYPES=10;
	const int RESOURCE_QUANTITY=8;
	const int HEROES_PER_TYPE=8; //amount of heroes of each type

	// amounts of OH3 objects. Can be changed by mods, should be used only during H3 loading phase
	const int F_NUMBER = 9;
	const int ARTIFACTS_QUANTITY=171;
	const int HEROES_QUANTITY=156;
	const int SPELLS_QUANTITY=70;
	const int CREATURES_COUNT = 197;

	const ui32 BASE_MOVEMENT_COST = 100; //default cost for non-diagonal movement
}

class CArtifact;
class CArtifactInstance;
class CCreature;
class CSpell;
class CGameInfoCallback;
class CNonConstInfoCallback;

#define ID_LIKE_CLASS_COMMON(CLASS_NAME, ENUM_NAME)	\
CLASS_NAME(const CLASS_NAME & other)				\
{													\
	num = other.num;								\
}													\
CLASS_NAME & operator=(const CLASS_NAME & other)	\
{													\
	num = other.num;								\
	return *this;									\
}													\
explicit CLASS_NAME(si32 id)						\
	: num(static_cast<ENUM_NAME>(id))				\
{}													\
operator ENUM_NAME() const							\
{													\
	return num;										\
}													\
ENUM_NAME toEnum() const							\
{													\
	return num;										\
}													\
template <typename Handler> void serialize(Handler &h, const int version)	\
{													\
	h & num;										\
}													\
CLASS_NAME & advance(int i)							\
{													\
	num = (ENUM_NAME)((int)num + i);				\
	return *this;									\
}


// Operators are performance-critical and to be inlined they must be in header
#define ID_LIKE_OPERATORS_INTERNAL(A, B, AN, BN)	\
STRONG_INLINE bool operator==(const A & a, const B & b)			\
{													\
	return AN == BN ;								\
}													\
STRONG_INLINE bool operator!=(const A & a, const B & b)			\
{													\
	return AN != BN ;								\
}													\
STRONG_INLINE bool operator<(const A & a, const B & b)			\
{													\
	return AN < BN ;								\
}													\
STRONG_INLINE bool operator<=(const A & a, const B & b)			\
{													\
	return AN <= BN ;								\
}													\
STRONG_INLINE bool operator>(const A & a, const B & b)			\
{													\
	return AN > BN ;								\
}													\
STRONG_INLINE bool operator>=(const A & a, const B & b)			\
{													\
	return AN >= BN ;								\
}

#define ID_LIKE_OPERATORS(CLASS_NAME, ENUM_NAME)	\
	ID_LIKE_OPERATORS_INTERNAL(CLASS_NAME, CLASS_NAME, a.num, b.num)	\
	ID_LIKE_OPERATORS_INTERNAL(CLASS_NAME, ENUM_NAME, a.num, b)	\
	ID_LIKE_OPERATORS_INTERNAL(ENUM_NAME, CLASS_NAME, a, b.num)


#define OP_DECL_INT(CLASS_NAME, OP)					\
bool operator OP (const CLASS_NAME & b) const		\
{													\
	return num OP b.num;							\
}

#define INSTID_LIKE_CLASS_COMMON(CLASS_NAME, NUMERIC_NAME)	\
public:														\
CLASS_NAME() : BaseForID<CLASS_NAME, NUMERIC_NAME>(-1) {}	\
CLASS_NAME(const CLASS_NAME & other):						\
	BaseForID<CLASS_NAME, NUMERIC_NAME>(other)				\
{															\
}															\
CLASS_NAME & operator=(const CLASS_NAME & other)			\
{															\
	num = other.num;										\
	return *this;											\
}															\
explicit CLASS_NAME(si32 id)								\
	: BaseForID<CLASS_NAME, NUMERIC_NAME>(id)				\
{}

template < typename Derived, typename NumericType>
class BaseForID
{
protected:
	NumericType num;
public:
	NumericType getNum() const
	{
		return num;
	}
	template <typename Handler> void serialize(Handler &h, const int version)
	{
		h & num;
	}

	explicit BaseForID(NumericType _num = -1)
	{
		num = _num;
	}

	void advance(int change)
	{
		num += change;
	}

	typedef BaseForID<Derived, NumericType> __SelfType;
	OP_DECL_INT(__SelfType, ==)
	OP_DECL_INT(__SelfType, !=)
	OP_DECL_INT(__SelfType, <)
	OP_DECL_INT(__SelfType, >)
	OP_DECL_INT(__SelfType, <=)
	OP_DECL_INT(__SelfType, >=)
};

template<typename Der, typename Num>
std::ostream & operator << (std::ostream & os, BaseForID<Der, Num> id);

template<typename Der, typename Num>
std::ostream & operator << (std::ostream & os, BaseForID<Der, Num> id)
{
	//We use common type with short to force char and unsigned char to be promoted and formatted as numbers.
	typedef typename std::common_type<short, Num>::type Number;
	return os << static_cast<Number>(id.getNum());
}

class ArtifactInstanceID : public BaseForID<ArtifactInstanceID, si32>
{
	INSTID_LIKE_CLASS_COMMON(ArtifactInstanceID, si32)

	friend class CGameInfoCallback;
	friend class CNonConstInfoCallback;
};


class QueryID : public BaseForID<QueryID, si32>
{
	INSTID_LIKE_CLASS_COMMON(QueryID, si32)

	QueryID & operator++()
	{
		++num;
		return *this;
	}
};

class ObjectInstanceID : public BaseForID<ObjectInstanceID, si32>
{
	INSTID_LIKE_CLASS_COMMON(ObjectInstanceID, si32)

	friend class CGameInfoCallback;
	friend class CNonConstInfoCallback;
};


class HeroTypeID : public BaseForID<HeroTypeID, si32>
{
	INSTID_LIKE_CLASS_COMMON(HeroTypeID, si32)
};

class SlotID : public BaseForID<SlotID, si32>
{
	INSTID_LIKE_CLASS_COMMON(SlotID, si32)

	friend class CGameInfoCallback;
	friend class CNonConstInfoCallback;

	DLL_LINKAGE static const SlotID COMMANDER_SLOT_PLACEHOLDER;

	bool validSlot() const
	{
		return getNum() >= 0  &&  getNum() < GameConstants::ARMY_SIZE;
	}
};

class PlayerColor : public BaseForID<PlayerColor, ui8>
{
	INSTID_LIKE_CLASS_COMMON(PlayerColor, ui8)

	enum EPlayerColor
	{
		PLAYER_LIMIT_I = 8
	};

	DLL_LINKAGE static const PlayerColor CANNOT_DETERMINE; //253
	DLL_LINKAGE static const PlayerColor UNFLAGGABLE; //254 - neutral objects (pandora, banks)
	DLL_LINKAGE static const PlayerColor NEUTRAL; //255
	DLL_LINKAGE static const PlayerColor PLAYER_LIMIT; //player limit per map

	DLL_LINKAGE bool isValidPlayer() const; //valid means < PLAYER_LIMIT (especially non-neutral)

	friend class CGameInfoCallback;
	friend class CNonConstInfoCallback;
};

class TeamID : public BaseForID<TeamID, ui8>
{
	INSTID_LIKE_CLASS_COMMON(TeamID, ui8)

	DLL_LINKAGE static const TeamID NO_TEAM;

	friend class CGameInfoCallback;
	friend class CNonConstInfoCallback;
};

class TeleportChannelID : public BaseForID<TeleportChannelID, si32>
{
	INSTID_LIKE_CLASS_COMMON(TeleportChannelID, si32)

	friend class CGameInfoCallback;
	friend class CNonConstInfoCallback;
};

// #ifndef INSTANTIATE_BASE_FOR_ID_HERE
// extern template std::ostream & operator << <ArtifactInstanceID>(std::ostream & os, BaseForID<ArtifactInstanceID> id);
// extern template std::ostream & operator << <ObjectInstanceID>(std::ostream & os, BaseForID<ObjectInstanceID> id);
// #endif

// Enum declarations
namespace PrimarySkill
{
	enum PrimarySkill { ATTACK, DEFENSE, SPELL_POWER, KNOWLEDGE,
				EXPERIENCE = 4}; //for some reason changePrimSkill uses it
}

class SecondarySkill
{
public:
	enum ESecondarySkill
	{
		WRONG = -2,
		DEFAULT = -1,
		PATHFINDING = 0, ARCHERY, LOGISTICS, SCOUTING, DIPLOMACY, NAVIGATION, LEADERSHIP, WISDOM, MYSTICISM,
		LUCK, BALLISTICS, EAGLE_EYE, NECROMANCY, ESTATES, FIRE_MAGIC, AIR_MAGIC, WATER_MAGIC, EARTH_MAGIC,
		SCHOLAR, TACTICS, ARTILLERY, LEARNING, OFFENCE, ARMORER, INTELLIGENCE, SORCERY, RESISTANCE,
		FIRST_AID, SKILL_SIZE
	};

	static_assert(GameConstants::SKILL_QUANTITY == SKILL_SIZE, "Incorrect number of skills");

	SecondarySkill(ESecondarySkill _num = WRONG) : num(_num)
	{}

	ID_LIKE_CLASS_COMMON(SecondarySkill, ESecondarySkill)

	ESecondarySkill num;
};

ID_LIKE_OPERATORS(SecondarySkill, SecondarySkill::ESecondarySkill)

namespace EAlignment
{
	enum EAlignment { GOOD, EVIL, NEUTRAL };
}

namespace ETownType
{
	enum ETownType
	{
		ANY = -1,
		CASTLE, RAMPART, TOWER, INFERNO, NECROPOLIS, DUNGEON, STRONGHOLD, FORTRESS, CONFLUX, NEUTRAL
	};
}

class BuildingID
{
public:
	//Quite useful as long as most of building mechanics hardcoded
	// NOTE: all building with completely configurable mechanics will be removed from list
	enum EBuildingID
	{
		DEFAULT = -50,
		NONE = -1,
		MAGES_GUILD_1 = 0,  MAGES_GUILD_2, MAGES_GUILD_3,     MAGES_GUILD_4,   MAGES_GUILD_5,
		TAVERN,         SHIPYARD,      FORT,              CITADEL,         CASTLE,
		VILLAGE_HALL,   TOWN_HALL,     CITY_HALL,         CAPITOL,         MARKETPLACE,
		RESOURCE_SILO,  BLACKSMITH,    SPECIAL_1,         HORDE_1,         HORDE_1_UPGR,
		SHIP,           SPECIAL_2,     SPECIAL_3,         SPECIAL_4,       HORDE_2,
		HORDE_2_UPGR,   GRAIL,         EXTRA_TOWN_HALL,   EXTRA_CITY_HALL, EXTRA_CAPITOL,
		DWELL_FIRST=30, DWELL_LVL_2, DWELL_LVL_3, DWELL_LVL_4, DWELL_LVL_5, DWELL_LVL_6, DWELL_LAST=36,
		DWELL_UP_FIRST=37,  DWELL_LVL_2_UP, DWELL_LVL_3_UP, DWELL_LVL_4_UP, DWELL_LVL_5_UP,
		DWELL_LVL_6_UP, DWELL_UP_LAST=43,

		DWELL_LVL_1 = DWELL_FIRST,
		DWELL_LVL_7 = DWELL_LAST,
		DWELL_LVL_1_UP = DWELL_UP_FIRST,
		DWELL_LVL_7_UP = DWELL_UP_LAST,

		//Special buildings for towns.
		LIGHTHOUSE  = SPECIAL_1,
		STABLES     = SPECIAL_2, //Castle
		BROTHERHOOD = SPECIAL_3,

		MYSTIC_POND         = SPECIAL_1,
		FOUNTAIN_OF_FORTUNE = SPECIAL_2, //Rampart
		TREASURY            = SPECIAL_3,

		ARTIFACT_MERCHANT = SPECIAL_1,
		LOOKOUT_TOWER     = SPECIAL_2, //Tower
		LIBRARY           = SPECIAL_3,
		WALL_OF_KNOWLEDGE = SPECIAL_4,

		STORMCLOUDS   = SPECIAL_2,
		CASTLE_GATE   = SPECIAL_3, //Inferno
		ORDER_OF_FIRE = SPECIAL_4,

		COVER_OF_DARKNESS    = SPECIAL_1,
		NECROMANCY_AMPLIFIER = SPECIAL_2, //Necropolis
		SKELETON_TRANSFORMER = SPECIAL_3,

		//ARTIFACT_MERCHANT - same ID as in tower
		MANA_VORTEX      = SPECIAL_2,
		PORTAL_OF_SUMMON = SPECIAL_3, //Dungeon
		BATTLE_ACADEMY   = SPECIAL_4,

		ESCAPE_TUNNEL     = SPECIAL_1,
		FREELANCERS_GUILD = SPECIAL_2, //Stronghold
		BALLISTA_YARD     = SPECIAL_3,
		HALL_OF_VALHALLA  = SPECIAL_4,

		CAGE_OF_WARLORDS = SPECIAL_1,
		GLYPHS_OF_FEAR   = SPECIAL_2, // Fortress
		BLOOD_OBELISK    = SPECIAL_3,

		//ARTIFACT_MERCHANT - same ID as in tower
		MAGIC_UNIVERSITY = SPECIAL_2, // Conflux
	};

	BuildingID(EBuildingID _num = NONE) : num(_num)
	{}

	ID_LIKE_CLASS_COMMON(BuildingID, EBuildingID)

	EBuildingID num;
};

ID_LIKE_OPERATORS(BuildingID, BuildingID::EBuildingID)

namespace EAiTactic
{
enum EAiTactic
{
	NONE = -1,
	RANDOM,
	WARRIOR,
	BUILDER,
	EXPLORER
};
}

namespace EBuildingState
{
	enum EBuildingState
	{
		HAVE_CAPITAL, NO_WATER, FORBIDDEN, ADD_MAGES_GUILD, ALREADY_PRESENT, CANT_BUILD_TODAY,
		NO_RESOURCES, ALLOWED, PREREQUIRES, MISSING_BASE, BUILDING_ERROR, TOWN_NOT_OWNED
	};
}

namespace ESpellCastProblem
{
	enum ESpellCastProblem
	{
		OK, NO_HERO_TO_CAST_SPELL, ALREADY_CASTED_THIS_TURN, NO_SPELLBOOK, ANOTHER_ELEMENTAL_SUMMONED,
		HERO_DOESNT_KNOW_SPELL, NOT_ENOUGH_MANA, ADVMAP_SPELL_INSTEAD_OF_BATTLE_SPELL,
		SECOND_HEROS_SPELL_IMMUNITY, SPELL_LEVEL_LIMIT_EXCEEDED, NO_SPELLS_TO_DISPEL,
		NO_APPROPRIATE_TARGET, STACK_IMMUNE_TO_SPELL, WRONG_SPELL_TARGET, ONGOING_TACTIC_PHASE,
		MAGIC_IS_BLOCKED, //For Orb of Inhibition and similar - no casting at all
		NOT_DECIDED,
		INVALID
	};
}

namespace ECastingMode
{
	enum ECastingMode 
	{
		HERO_CASTING, AFTER_ATTACK_CASTING, //also includes cast before attack
		MAGIC_MIRROR, CREATURE_ACTIVE_CASTING, ENCHANTER_CASTING,
		SPELL_LIKE_ATTACK, 
		PASSIVE_CASTING//f.e. opening battle spells
	};
}

namespace EMarketMode
{
	enum EMarketMode
	{
		RESOURCE_RESOURCE, RESOURCE_PLAYER, CREATURE_RESOURCE, RESOURCE_ARTIFACT,
		ARTIFACT_RESOURCE, ARTIFACT_EXP, CREATURE_EXP, CREATURE_UNDEAD, RESOURCE_SKILL,
		MARTKET_AFTER_LAST_PLACEHOLDER
	};
}

namespace EBattleStackState
{
	enum EBattleStackState
	{
		ALIVE = 180,
		SUMMONED, CLONED,
		DEAD_CLONE,
		HAD_MORALE,
		WAITING,
		MOVED,
		DEFENDING,
		FEAR,
		//remember to drain mana only once per turn
		DRAINED_MANA,
		//only for defending animation
		DEFENDING_ANIM
	};
}

namespace ECommander
{
	enum SecondarySkills {ATTACK, DEFENSE, HEALTH, DAMAGE, SPEED, SPELL_POWER, CASTS, RESISTANCE};
	const int MAX_SKILL_LEVEL = 5;
}

namespace EWallPart
{
	enum EWallPart
	{
		INDESTRUCTIBLE_PART_OF_GATE = -3, INDESTRUCTIBLE_PART = -2, INVALID = -1,
		KEEP = 0, BOTTOM_TOWER, BOTTOM_WALL, BELOW_GATE, OVER_GATE, UPPER_WALL, UPPER_TOWER, GATE,
		PARTS_COUNT /* This constant SHOULD always stay as the last item in the enum. */
	};
}

namespace EWallState
{
	enum EWallState
	{
		NONE = -1, //no wall
		DESTROYED,
		DAMAGED,
		INTACT


	};
}

namespace ETileType
{
	enum ETileType
	{
		FREE,
		POSSIBLE,
		BLOCKED,
		USED
	};
}

enum class ETeleportChannelType
{
	IMPASSABLE,
	BIDIRECTIONAL,
	UNIDIRECTIONAL,
	MIXED
};


namespace ERiverType
{
	enum ERiverType
	{
		NO_RIVER, CLEAR_RIVER, ICY_RIVER, MUDDY_RIVER, LAVA_RIVER
	};
}

namespace ERoadType
{
	enum ERoadType
	{
		NO_ROAD, DIRT_ROAD, GRAVEL_ROAD, COBBLESTONE_ROAD
	};
}

class Obj
{
public:
	enum EObj
	{
		NO_OBJ = -1,
		ALTAR_OF_SACRIFICE = 2,
		ANCHOR_POINT = 3,
		ARENA = 4,
		ARTIFACT = 5,
		PANDORAS_BOX = 6,
		BLACK_MARKET = 7,
		BOAT = 8,
		BORDERGUARD = 9,
		KEYMASTER = 10,
		BUOY = 11,
		CAMPFIRE = 12,
		CARTOGRAPHER = 13,
		SWAN_POND = 14,
		COVER_OF_DARKNESS = 15,
		CREATURE_BANK = 16,
		CREATURE_GENERATOR1 = 17,
		CREATURE_GENERATOR2 = 18,
		CREATURE_GENERATOR3 = 19,
		CREATURE_GENERATOR4 = 20,
		CURSED_GROUND1 = 21,
		CORPSE = 22,
		MARLETTO_TOWER = 23,
		DERELICT_SHIP = 24,
		DRAGON_UTOPIA = 25,
		EVENT = 26,
		EYE_OF_MAGI = 27,
		FAERIE_RING = 28,
		FLOTSAM = 29,
		FOUNTAIN_OF_FORTUNE = 30,
		FOUNTAIN_OF_YOUTH = 31,
		GARDEN_OF_REVELATION = 32,
		GARRISON = 33,
		HERO = 34,
		HILL_FORT = 35,
		GRAIL = 36,
		HUT_OF_MAGI = 37,
		IDOL_OF_FORTUNE = 38,
		LEAN_TO = 39,
		LIBRARY_OF_ENLIGHTENMENT = 41,
		LIGHTHOUSE = 42,
		MONOLITH_ONE_WAY_ENTRANCE = 43,
		MONOLITH_ONE_WAY_EXIT = 44,
		MONOLITH_TWO_WAY = 45,
		MAGIC_PLAINS1 = 46,
		SCHOOL_OF_MAGIC = 47,
		MAGIC_SPRING = 48,
		MAGIC_WELL = 49,
		MERCENARY_CAMP = 51,
		MERMAID = 52,
		MINE = 53,
		MONSTER = 54,
		MYSTICAL_GARDEN = 55,
		OASIS = 56,
		OBELISK = 57,
		REDWOOD_OBSERVATORY = 58,
		OCEAN_BOTTLE = 59,
		PILLAR_OF_FIRE = 60,
		STAR_AXIS = 61,
		PRISON = 62,
		PYRAMID = 63,//subtype 0
		WOG_OBJECT = 63,//subtype > 0
		RALLY_FLAG = 64,
		RANDOM_ART = 65,
		RANDOM_TREASURE_ART = 66,
		RANDOM_MINOR_ART = 67,
		RANDOM_MAJOR_ART = 68,
		RANDOM_RELIC_ART = 69,
		RANDOM_HERO = 70,
		RANDOM_MONSTER = 71,
		RANDOM_MONSTER_L1 = 72,
		RANDOM_MONSTER_L2 = 73,
		RANDOM_MONSTER_L3 = 74,
		RANDOM_MONSTER_L4 = 75,
		RANDOM_RESOURCE = 76,
		RANDOM_TOWN = 77,
		REFUGEE_CAMP = 78,
		RESOURCE = 79,
		SANCTUARY = 80,
		SCHOLAR = 81,
		SEA_CHEST = 82,
		SEER_HUT = 83,
		CRYPT = 84,
		SHIPWRECK = 85,
		SHIPWRECK_SURVIVOR = 86,
		SHIPYARD = 87,
		SHRINE_OF_MAGIC_INCANTATION = 88,
		SHRINE_OF_MAGIC_GESTURE = 89,
		SHRINE_OF_MAGIC_THOUGHT = 90,
		SIGN = 91,
		SIRENS = 92,
		SPELL_SCROLL = 93,
		STABLES = 94,
		TAVERN = 95,
		TEMPLE = 96,
		DEN_OF_THIEVES = 97,
		TOWN = 98,
		TRADING_POST = 99,
		LEARNING_STONE = 100,
		TREASURE_CHEST = 101,
		TREE_OF_KNOWLEDGE = 102,
		SUBTERRANEAN_GATE = 103,
		UNIVERSITY = 104,
		WAGON = 105,
		WAR_MACHINE_FACTORY = 106,
		SCHOOL_OF_WAR = 107,
		WARRIORS_TOMB = 108,
		WATER_WHEEL = 109,
		WATERING_HOLE = 110,
		WHIRLPOOL = 111,
		WINDMILL = 112,
		WITCH_HUT = 113,
		HOLE = 124,
		RANDOM_MONSTER_L5 = 162,
		RANDOM_MONSTER_L6 = 163,
		RANDOM_MONSTER_L7 = 164,
		BORDER_GATE = 212,
		FREELANCERS_GUILD = 213,
		HERO_PLACEHOLDER = 214,
		QUEST_GUARD = 215,
		RANDOM_DWELLING = 216,
		RANDOM_DWELLING_LVL = 217, //subtype = creature level
		RANDOM_DWELLING_FACTION = 218, //subtype = faction
		GARRISON2 = 219,
		ABANDONED_MINE = 220,
		TRADING_POST_SNOW = 221,
		CLOVER_FIELD = 222,
		CURSED_GROUND2 = 223,
		EVIL_FOG = 224,
		FAVORABLE_WINDS = 225,
		FIERY_FIELDS = 226,
		HOLY_GROUNDS = 227,
		LUCID_POOLS = 228,
		MAGIC_CLOUDS = 229,
		MAGIC_PLAINS2 = 230,
		ROCKLANDS = 231,
	};
	Obj(EObj _num = NO_OBJ) : num(_num)
	{}

	ID_LIKE_CLASS_COMMON(Obj, EObj)

	EObj num;
};

ID_LIKE_OPERATORS(Obj, Obj::EObj)

namespace SecSkillLevel
{
	enum SecSkillLevel
	{
		NONE,
		BASIC,
		ADVANCED,
		EXPERT,
		LEVELS_SIZE
	};
}


//follows ERM BI (battle image) format
namespace BattlefieldBI
{
	enum BattlefieldBI
	{
		NONE = -1,
		COASTAL,
		CURSED_GROUND,
		MAGIC_PLAINS,
		HOLY_GROUND,
		EVIL_FOG,
		CLOVER_FIELD,
		LUCID_POOLS,
		FIERY_FIELDS,
		ROCKLANDS,
		MAGIC_CLOUDS
	};
}

namespace Date
{
	enum EDateType
	{
		DAY = 0,
		DAY_OF_WEEK = 1,
		WEEK = 2,
		MONTH = 3,
		DAY_OF_MONTH
	};
}

namespace Battle
{
	enum ActionType
	{
		CANCEL = -3,
		END_TACTIC_PHASE = -2,
		INVALID = -1,
		NO_ACTION = 0,
		HERO_SPELL,
		WALK, DEFEND,
		RETREAT,
		SURRENDER,
		WALK_AND_ATTACK,
		SHOOT,
		WAIT,
		CATAPULT,
		MONSTER_SPELL,
		BAD_MORALE,
		STACK_HEAL,
		DAEMON_SUMMONING
	};
}

std::ostream & operator<<(std::ostream & os, const Battle::ActionType actionType);

class DLL_LINKAGE ETerrainType
{
public:
	enum EETerrainType
	{
		WRONG = -2, BORDER = -1, DIRT, SAND, GRASS, SNOW, SWAMP,
		ROUGH, SUBTERRANEAN, LAVA, WATER, ROCK
	};

	ETerrainType(EETerrainType _num = WRONG) : num(_num)
	{}

	ID_LIKE_CLASS_COMMON(ETerrainType, EETerrainType)

	EETerrainType num;

	std::string toString() const;
};

DLL_LINKAGE std::ostream & operator<<(std::ostream & os, const ETerrainType terrainType);

ID_LIKE_OPERATORS(ETerrainType, ETerrainType::EETerrainType)

class DLL_LINKAGE EDiggingStatus
{
public:
	enum EEDiggingStatus
	{
		UNKNOWN = -1,
		CAN_DIG = 0,
		LACK_OF_MOVEMENT,
		WRONG_TERRAIN,
		TILE_OCCUPIED
	};

	EDiggingStatus(EEDiggingStatus _num = UNKNOWN) : num(_num)
	{}

	ID_LIKE_CLASS_COMMON(EDiggingStatus, EEDiggingStatus)

	EEDiggingStatus num;
};

ID_LIKE_OPERATORS(EDiggingStatus, EDiggingStatus::EEDiggingStatus)

class DLL_LINKAGE EPathfindingLayer
{
public:
	enum EEPathfindingLayer : ui8
	{
		LAND = 0, SAIL = 1, WATER, AIR, NUM_LAYERS, WRONG, AUTO
	};

	EPathfindingLayer(EEPathfindingLayer _num = WRONG) : num(_num)
	{}

	ID_LIKE_CLASS_COMMON(EPathfindingLayer, EEPathfindingLayer)

	EEPathfindingLayer num;
};

DLL_LINKAGE std::ostream & operator<<(std::ostream & os, const EPathfindingLayer pathfindingLayer);

ID_LIKE_OPERATORS(EPathfindingLayer, EPathfindingLayer::EEPathfindingLayer)

class BFieldType
{
public:
	//   1. sand/shore   2. sand/mesas   3. dirt/birches   4. dirt/hills   5. dirt/pines   6. grass/hills   7. grass/pines
	//8. lava   9. magic plains   10. snow/mountains   11. snow/trees   12. subterranean   13. swamp/trees   14. fiery fields
	//15. rock lands   16. magic clouds   17. lucid pools   18. holy ground   19. clover field   20. evil fog
	//21. "favourable winds" text on magic plains background   22. cursed ground   23. rough   24. ship to ship   25. ship
	enum EBFieldType {NONE = -1, NONE2, SAND_SHORE, SAND_MESAS, DIRT_BIRCHES, DIRT_HILLS, DIRT_PINES, GRASS_HILLS,
		GRASS_PINES, LAVA, MAGIC_PLAINS, SNOW_MOUNTAINS, SNOW_TREES, SUBTERRANEAN, SWAMP_TREES, FIERY_FIELDS,
		ROCKLANDS, MAGIC_CLOUDS, LUCID_POOLS, HOLY_GROUND, CLOVER_FIELD, EVIL_FOG, FAVOURABLE_WINDS, CURSED_GROUND,
		ROUGH, SHIP_TO_SHIP, SHIP
	};

	BFieldType(EBFieldType _num = NONE) : num(_num)
	{}

	ID_LIKE_CLASS_COMMON(BFieldType, EBFieldType)

	EBFieldType num;
};

ID_LIKE_OPERATORS(BFieldType, BFieldType::EBFieldType)

namespace EPlayerStatus
{
	enum EStatus {WRONG = -1, INGAME, LOSER, WINNER};
}

namespace PlayerRelations
{
	enum PlayerRelations {ENEMIES, ALLIES, SAME_PLAYER};
}

class ArtifactPosition
{
public:
	enum EArtifactPosition
	{
		FIRST_AVAILABLE = -2,
		PRE_FIRST = -1, //sometimes used as error, sometimes as first free in backpack
		HEAD, SHOULDERS, NECK, RIGHT_HAND, LEFT_HAND, TORSO, //5
		RIGHT_RING, LEFT_RING, FEET, //8
		MISC1, MISC2, MISC3, MISC4, //12
		MACH1, MACH2, MACH3, MACH4, //16
		SPELLBOOK, MISC5, //18
		AFTER_LAST,
		//cres
		CREATURE_SLOT = 0,
		COMMANDER1 = 0, COMMANDER2, COMMANDER3, COMMANDER4, COMMANDER5, COMMANDER6, COMMANDER_AFTER_LAST
	};

	static_assert (AFTER_LAST == 19, "incorrect number of artifact slots");

	ArtifactPosition(EArtifactPosition _num = PRE_FIRST) : num(_num)
	{}

	ID_LIKE_CLASS_COMMON(ArtifactPosition, EArtifactPosition)

	EArtifactPosition num;
};

ID_LIKE_OPERATORS(ArtifactPosition, ArtifactPosition::EArtifactPosition)

class ArtifactID
{
public:
	enum EArtifactID
	{
		NONE = -1,
		SPELLBOOK = 0,
		SPELL_SCROLL = 1,
		GRAIL = 2,
		CATAPULT = 3,
		BALLISTA = 4,
		AMMO_CART = 5,
		FIRST_AID_TENT = 6,
		//CENTAUR_AXE = 7,
		//BLACKSHARD_OF_THE_DEAD_KNIGHT = 8,
		ARMAGEDDONS_BLADE = 128,
		TITANS_THUNDER = 135,
		//CORNUCOPIA = 140,
		//FIXME: the following is only true if WoG is enabled. Otherwise other mod artifacts will take these slots.
		ART_SELECTION = 144,
		ART_LOCK = 145,
		AXE_OF_SMASHING = 146,
		MITHRIL_MAIL = 147,
		SWORD_OF_SHARPNESS = 148,
		HELM_OF_IMMORTALITY = 149,
		PENDANT_OF_SORCERY = 150,
		BOOTS_OF_HASTE = 151,
		BOW_OF_SEEKING = 152,
		DRAGON_EYE_RING = 153
		//HARDENED_SHIELD = 154,
		//SLAVAS_RING_OF_POWER = 155
	};

	ArtifactID(EArtifactID _num = NONE) : num(_num)
	{}

	DLL_LINKAGE CArtifact * toArtifact() const;

	ID_LIKE_CLASS_COMMON(ArtifactID, EArtifactID)

	EArtifactID num;
};

ID_LIKE_OPERATORS(ArtifactID, ArtifactID::EArtifactID)

class CreatureID
{
public:
	enum ECreatureID
	{
		NONE = -1,
		CAVALIER = 10,
		CHAMPION = 11,
		STONE_GOLEM = 32,
		IRON_GOLEM = 33,
		IMP = 42,
		SKELETON = 56,
		WALKING_DEAD = 58,
		WIGHTS = 60,
		LICHES = 64,
		BONE_DRAGON = 68,
		TROGLODYTES = 70,
		HYDRA = 110,
		CHAOS_HYDRA = 111,
		AIR_ELEMENTAL = 112,
		EARTH_ELEMENTAL = 113,
		FIRE_ELEMENTAL = 114,
		WATER_ELEMENTAL = 115,
		GOLD_GOLEM = 116,
		DIAMOND_GOLEM = 117,
		CATAPULT = 145,
		BALLISTA = 146,
		FIRST_AID_TENT = 147,
		AMMO_CART = 148,
		ARROW_TOWERS = 149
	};

	CreatureID(ECreatureID _num = NONE) : num(_num)
	{}

	DLL_LINKAGE CCreature * toCreature() const;

	ID_LIKE_CLASS_COMMON(CreatureID, ECreatureID)

	ECreatureID num;
};

ID_LIKE_OPERATORS(CreatureID, CreatureID::ECreatureID)

class SpellID
{
public:
	enum ESpellID
	{
		PRESET = -2,
		NONE = -1,
		SUMMON_BOAT=0, SCUTTLE_BOAT=1, VISIONS=2, VIEW_EARTH=3, DISGUISE=4, VIEW_AIR=5,
		FLY=6, WATER_WALK=7, DIMENSION_DOOR=8, TOWN_PORTAL=9,

		QUICKSAND=10, LAND_MINE=11, FORCE_FIELD=12, FIRE_WALL=13, EARTHQUAKE=14,
		MAGIC_ARROW=15, ICE_BOLT=16, LIGHTNING_BOLT=17, IMPLOSION=18,
		CHAIN_LIGHTNING=19, FROST_RING=20, FIREBALL=21, INFERNO=22,
		METEOR_SHOWER=23, DEATH_RIPPLE=24, DESTROY_UNDEAD=25, ARMAGEDDON=26,
		SHIELD=27, AIR_SHIELD=28, FIRE_SHIELD=29, PROTECTION_FROM_AIR=30,
		PROTECTION_FROM_FIRE=31, PROTECTION_FROM_WATER=32,
		PROTECTION_FROM_EARTH=33, ANTI_MAGIC=34, DISPEL=35, MAGIC_MIRROR=36,
		CURE=37, RESURRECTION=38, ANIMATE_DEAD=39, SACRIFICE=40, BLESS=41,
		CURSE=42, BLOODLUST=43, PRECISION=44, WEAKNESS=45, STONE_SKIN=46,
		DISRUPTING_RAY=47, PRAYER=48, MIRTH=49, SORROW=50, FORTUNE=51,
		MISFORTUNE=52, HASTE=53, SLOW=54, SLAYER=55, FRENZY=56,
		TITANS_LIGHTNING_BOLT=57, COUNTERSTRIKE=58, BERSERK=59, HYPNOTIZE=60,
		FORGETFULNESS=61, BLIND=62, TELEPORT=63, REMOVE_OBSTACLE=64, CLONE=65,
		SUMMON_FIRE_ELEMENTAL=66, SUMMON_EARTH_ELEMENTAL=67, SUMMON_WATER_ELEMENTAL=68, SUMMON_AIR_ELEMENTAL=69,

		STONE_GAZE=70, POISON=71, BIND=72, DISEASE=73, PARALYZE=74, AGE=75, DEATH_CLOUD=76, THUNDERBOLT=77,
		DISPEL_HELPFUL_SPELLS=78, DEATH_STARE=79, ACID_BREATH_DEFENSE=80, ACID_BREATH_DAMAGE=81,

		FIRST_NON_SPELL = 70, AFTER_LAST = 82
	};

	SpellID(ESpellID _num = NONE) : num(_num)
	{}

	//TODO: should this be const?
	DLL_LINKAGE CSpell * toSpell() const;

	ID_LIKE_CLASS_COMMON(SpellID, ESpellID)

	ESpellID num;
};

ID_LIKE_OPERATORS(SpellID, SpellID::ESpellID)

enum class ESpellSchool: ui8
{
	AIR 	= 0,
	FIRE 	= 1,
	WATER 	= 2,
	EARTH 	= 3
};

// Typedef declarations
typedef ui8 TFaction;
typedef si64 TExpType;
typedef std::pair<ui32, ui32> TDmgRange;
typedef si32 TBonusSubtype;
typedef si32 TQuantity;

typedef int TRmgTemplateZoneId;

#undef ID_LIKE_CLASS_COMMON
#undef ID_LIKE_OPERATORS
#undef ID_LIKE_OPERATORS_INTERNAL
#undef INSTID_LIKE_CLASS_COMMON
#undef OP_DECL_INT