# LevelLocals

Most map-relative data is stored in this structure.

```
struct LevelLocals
{
	// Map data
	array<Line>   Lines;
	array<Sector> Sectors;
	array<Side>   Sides;

	internal array<SectorPortal> SectorPortals;
	readonly array<Vertex>       Vertexes;

	// Stats
	int Found_Items;
	int Found_Secrets;
	int Killed_Monsters;
	int Total_Items;
	int Total_Monsters;
	int Total_Secrets;

	// Time
	readonly int MapTime;
	readonly int ParTime;
	readonly int StartTime;
	readonly int SuckTime;
	readonly int Time;
	readonly int TotalTime;

	// Map sequencing
	readonly int    Cluster;
	readonly int    ClusterFlags;
	readonly string LevelName;
	readonly int    LevelNum;
	readonly string MapName;

	string NextMap;
	string NextSecretMap;

	readonly int MapType;

	// Music
	readonly string Music;
	readonly int    MusicOrder;

	// Sky
	readonly textureid SkyTexture1;
	readonly textureid SkyTexture2;

	float SkySpeed1;
	float SkySpeed2;

	// Physics
	play double AirControl;
	play double AirFriction;
	play int    AirSupply;
	play double Gravity;

	readonly int CompatFlags;
	readonly int CompatFlags2;

	// State
	bool AllMap;
	deprecated("3.8") bool Frozen;

	// Static info
	name DeathSequence;

	readonly bool   ActOwnSpecial;
	readonly bool   AllowRespawn;
	readonly bool   CheckSwitchRange;
	readonly string F1Pic;
	readonly int    FogDensity;
	readonly bool   Infinite_Flight;
	readonly bool   KeepFullInventory;
	readonly bool   MissilesActivateImpact;
	readonly bool   MonsterFallingDamage;
	readonly bool   MonstersTelefrag;
	readonly bool   NoInventoryBar;
	readonly bool   NoMonsters;
	readonly bool   No_Dlg_Freeze;
	readonly int    OutsideFogDensity;
	readonly float  PixelStretch;
	readonly bool   PolyGrind;
	readonly bool   RemoveItems;
	readonly int    SkyFog;
	readonly bool   SndSeqTotalCtrl;
	readonly double TeamDamage;

	double GetUdmfFloat(int type, int index, name key);
	int    GetUdmfInt(int type, int index, name key);
	string GetUdmfString(int type, int index, name key);

	play int ExecuteSpecial(int special, Actor activator, Line linedef, bool lineside, int arg1 = 0, int arg2 = 0, int arg3 = 0, int arg4 = 0, int arg5 = 0);

	void   ChangeSky(textureid sky1, textureid sky2);
	string FormatMapName(int mapnamecolor);
	string GetChecksum() const;
	void   SetInterMusic(string nextmap);
	void   StartIntermission(name type, int state) const;
	string TimeFormatted(bool totals = false);

	bool IsCrouchingAllowed() const;
	bool IsFreelookAllowed() const;
	bool IsJumpingAllowed() const;

	void GiveSecret(Actor activator, bool printmsg = true, bool playsound = true);
	void StartSlideshow(name whichone = 'none');
	void WorldDone();

	static void MakeScreenShot();
	static void MakeAutoSave();

	deprecated("3.8") static void RemoveAllBots(bool fromlist);

	ui vector2 GetAutomapPosition();

	play SpotState GetSpotState(bool create = true);
	int FindUniqueTid(int start = 0, int limit = 0);
	uint GetSkyboxPortal(Actor actor);
	void ReplaceTextures(string from, string to, int flags);
	clearscope HealthGroup FindHealthGroup(int id);
	vector3, int PickDeathmatchStart();
	vector3, int PickPlayerStart(int pnum, int flags = 0);
	int IsFrozen() const;
	void SetFrozen(bool on);

	clearscope bool IsPointInLevel(vector3 p) const;
	clearscope Sector PointInSector(vector2 p) const;
	deprecated("3.8") static clearscope bool IsPointInMap(vector3 p);

	clearscope vector3 SphericalCoords(vector3 viewpoint, vector3 targetPos, vector2 viewAngles = (0, 0), bool absolute = false) const;
	clearscope vector2 Vec2Diff(vector2 v1, vector2 v2) const;
	clearscope vector2 Vec2Offset(vector2 pos, vector2 dir, bool absolute = false) const;
	clearscope vector3 Vec2OffsetZ(vector2 pos, vector2 dir, double atz, bool absolute = false) const;
	clearscope vector3 Vec3Diff(vector3 v1, vector3 v2) const;
	clearscope vector3 Vec3Offset(vector3 pos, vector3 dir, bool absolute = false) const;

	SectorTagIterator CreateSectorTagIterator(int tag, Line defline = null);
	LineIDIterator CreateLineIDIterator(int tag);
	ActorIterator CreateActorIterator(int tid, class<Actor> type = "Actor");

	play bool CreateCeiling(Sector sec, int type, Line ln, double speed, double speed2, double height = 0, int crush = -1, int silent = 0, int change = 0, int crushmode = 0);
	play bool CreateFloor(Sector sec, int type, Line ln, double speed, double speed2, double height = 0, int crush = -1, int silent = 0, int change = 0, bool crushmode = false, bool hereticlower = false);
}
```

TODO

### `ClusterFlags`

Flags for this cluster. May contain any of the following bit flags:

| Name                | Description                      |
| ----                | -----------                      |
| `Level.CLUSTER_HUB` | This cluster uses hub behaviour. |

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