class Object native
{
	native bool bDestroyed;

	// These really should be global functions...
	native static int G_SkillPropertyInt(int p);
	native static double G_SkillPropertyFloat(int p);

	/*virtual*/ native void Destroy();
}

class Thinker : Object native
{
	const TICRATE = 35;
	
	virtual native void Tick();
	virtual native void PostBeginPlay();
}

class ThinkerIterator : Object native
{
	enum EStatnums
	{
		MAX_STATNUM = 127
	}

	native static ThinkerIterator Create(class<Object> type = "Actor", int statnum=MAX_STATNUM+1);
	native Thinker Next(bool exact = false);
	native void Reinit();
}

class ActorIterator : Object native
{
	native static ActorIterator Create(int tid, class<Actor> type = "Actor");
	native Actor Next();
	native void Reinit();
}

class DropItem : Object native
{
	native readonly DropItem Next;
	native readonly name Name;
	native readonly int Probability;
	native int Amount;
}

class SpotState : Object native
{
	native static SpotState GetSpotState();
	native SpecialSpot GetNextInList(class<Actor> type, int skipcounter);
	native SpecialSpot GetSpotWithMinMaxDistance(Class<Actor> type, double x, double y, double mindist, double maxdist);
	
}

struct LevelLocals native
{
	native readonly int time;
	native readonly int maptime;
	native readonly int totaltime;
	native readonly int starttime;
	native readonly int partime;
	native readonly int sucktime;
	native readonly int cluster;
	native readonly int clusterflags;
	native readonly int levelnum;
	native readonly String LevelName;
	native readonly String MapName;
	native String NextMap;
	native String NextSecretMap;
	native readonly int maptype;
	native readonly String Music;
	native readonly int musicorder;
	native readonly int total_secrets;
	native int found_secrets;
	native readonly int total_items;
	native int found_items;
	native readonly int total_monsters;
	native int killed_monsters;
	native double gravity;
	native double aircontrol;
	native double airfriction;
	native int airsupply;
	native double teamdamage;
	native bool monsterstelefrag;
	native bool actownspecial;
	native bool sndseqtotalctrl;
	native bool allmap;
	native bool missilesactivateimpact;
	native bool monsterfallingdamage;
	native bool checkswitchrange;
	native bool polygrind;
// level_info_t *info cannot be done yet.
}

// a few values of this need to be readable by the play code.
// Most are handled at load time and are omitted here.
struct DehInfo native
{
	native int MaxSoulsphere;
	native uint8 ExplosionStyle;
	native double ExplosionAlpha;
	native int NoAutofreeze;
	native int BFGCells;
}

struct State native
{
	native State NextState;
	native int sprite;
	native int16 Tics;
	native uint16 TicRange;
	native uint8 Frame;		
	native uint8 UseFlags;	
	native int Misc1;
	native int Misc2;
	native uint16 bSlow;
	native uint16 bFast;
	native bool bFullbright;
	native bool bNoDelay;
	native bool bSameFrame;
	native bool bCanRaise;
	native bool bDehacked;
}

struct F3DFloor native
{
}

struct Sector native
{
	native double, Sector, F3DFloor NextHighestCeilingAt(double x, double y, double bottomz, double topz, int flags = 0);
}