DB/Map

0.5.3.3368

struct MapRec {
  uint32_t m_ID;
  stringrefⁱ m_Directory;
  uint32_t m_PVP;
  uint32_t m_IsInMap;
  langstringrefⁱ m_MapName_lang;
};

9551

Column	Field	Type	Notes
1	ID	Integer	max 999 (because of map, vmap and mmap file naming system)
2	InternalName	String	reference to World\Map\ [...] \
3	AreaType	Integer	0: none, 1: party, 2: raid, 3: pvp, 4: arena, >=5: none (official from "IsInInstance()")
4	IsBattleground	Boolean	Simple flag for battleground maps
5	Name	Loc	Name (displayed on World Map for example)
6	AreaTable	iRefID	iRefID to AreaTable.dbc
7	Description	Loc	Alliance
8	Description	Loc	Horde
9	LoadingScreen	iRefID	The LoadingScreen to Display
10	BattlefieldMapIconScale	Float
11	Requirement	Loc	Requirement to enter
12	Heroic	Loc	Heroic-Requirement to enter
13	Unknown	Loc	Some other requirement to enter.
14	ParentArea	iRefID	Points to column 1, -1 if none
15	X-Coord	Float	The X-Coord of the instance entrance
16	Y-Coord	Float	The Y-Coord of the instance entrance
17	ResetTimeRaid	Integer	Raid.
18	ResetTimeRaid	Integer	Heroic raid or instance?
19	Unknown	Integer	All the time 0.
20	TimeOfDayOverride	Integer	Set to -1 for everything but Orgrimmar and Dalaran arena. For those, the time of day will change to this.
21	ExpansionID	Integer	Vanilla: 0, BC: 1, WotLK: 2
22	Unknown	Integer	Another resettime? Is the same as the heroic one for some entries.

3.2?

Column	Field	Type	Notes
1	ID	Integer	max 999 (because of map, vmap and mmap file naming system)
2	Directory	String	reference to World\Map\ [...] \
3	InstanceType	Integer	0: none, 1: party, 2: raid, 3: pvp, 4: arena, >=5: none (official from "IsInInstance()")
4	Flags	Boolean	Simple flag for battleground maps
cata	PVP	Boolean	Simple flag for battleground maps
5-21	MapName	Loc	Name (displayed on World Map for example)
22	areaTableID	iRefID	iRefID to AreaTable.dbc
23-39	MapDescription0	Loc	Alliance
40-56	MapDescription1	Loc	Horde
57	LoadingScreen	iRefID	The LoadingScreen to Display
58	minimapIconScale	Float
59	corpseMapID	iRefID	Points to column 1, -1 if none
60	corpseX	Float	The X-Coord of the instance entrance
61	corpseY	Float	The Y-Coord of the instance entrance
62	TimeOfDayOverride	Integer	Set to -1 for everything but Orgrimmar and Dalaran arena. For those, the time of day will change to this.
63	ExpansionID	Integer	Vanilla: 0, BC: 1, WotLK: 2
64	maxPlayers	Integer
65	NumberOfPlayers	Integer	Used for reset time, I guess.
cata	parentMapID	Integer

Some columns are moved to MapDifficulty.dbc in 3.2.

6.0.1.18179

struct MapRec {
  uint32_t m_ID;
  stringrefⁱ m_Directory;
  uint32_t m_InstanceType;
  uint32_t m_Flags;                                 // 0x0100: can toggle difficulty (trinitycore), 0x8000: flex locking (All difficulties share completed encounters lock, not bound to a single instance id heroic difficulty flag overrides it and uses instance id bind; trinitycore), 0x10000: limit farclip to 727.0, 0x4000000: garrison (trinitycore)
  uint32_t m_MapType;
  langstringrefⁱ m_MapName_lang;
  uint32_t m_areaTableID;
  langstringrefⁱ m_MapDescription0_lang;
  langstringrefⁱ m_MapDescription1_lang;
  uint32_t m_LoadingScreenID;
  float m_minimapIconScale;
  uint32_t m_corpseMapID;
  float m_corpse[2];
  uint32_t m_timeOfDayOverride;
  uint32_t m_expansionID;
  uint32_t m_raidOffset;
  uint32_t m_maxPlayers;
  uint32_t m_parentMapID;
  uint32_t m_cosmeticParentMapID;
  uint32_t m_timeOffset;
};