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//**************************************************************************
//**
//** p_spec.h : Heretic 2 : Raven Software, Corp.
//**
//** $Revision: 491 $
//** $Date: 2009-05-30 01:10:42 +0300 (Sat, 30 May 2009) $
//**
//**************************************************************************

#ifndef __P_SPEC__
#define __P_SPEC__

extern	int		*TerrainTypes;


/* scrolling line specials */

#define MAXLINEANIMS		64

extern	short		numlinespecials;
extern	line_t		*linespeciallist[MAXLINEANIMS];

/* Define values for map objects */
#define MO_TELEPORTMAN		14

/* at game start */
void P_InitTerrainTypes(void);
void P_InitLava(void);

/* at map load */
void P_SpawnSpecials(void);

/* every tic */
void P_UpdateSpecials(void);

/* when needed */
boolean P_ExecuteLineSpecial(int special, byte *args, line_t *line, int side, mobj_t *mo);
boolean P_ActivateLine(line_t *ld, mobj_t *mo, int side, int activationType);
/*
boolean P_UseSpecialLine ( mobj_t *thing, line_t *line);
void P_ShootSpecialLine ( mobj_t *thing, line_t *line);
void P_CrossSpecialLine (int linenum, int side, mobj_t *thing);
*/

void P_PlayerInSpecialSector(player_t *player);
void P_PlayerOnSpecialFlat(player_t *player, int floorType);

/*
int twoSided(int sector,int line);
sector_t *getSector(int currentSector,int line,int side);
side_t *getSide(int currentSector,int line, int side);
*/
fixed_t P_FindLowestFloorSurrounding(sector_t *sec);
fixed_t P_FindHighestFloorSurrounding(sector_t *sec);
fixed_t P_FindNextHighestFloor(sector_t *sec,int currentheight);
fixed_t P_FindLowestCeilingSurrounding(sector_t *sec);
fixed_t P_FindHighestCeilingSurrounding(sector_t *sec);
int P_FindSectorFromTag(int tag, int start);
/*
int P_FindSectorFromLineTag(line_t  *line,int start);
int P_FindMinSurroundingLight(sector_t *sector,int max);
*/
sector_t *getNextSector(line_t *line,sector_t *sec);
line_t *P_FindLine(int lineTag, int *searchPosition);


/* ---- SPECIAL ---- */

/*
int EV_DoDonut(line_t *line);
*/


/* ---- P_anim.c ---- */

void P_AnimateSurfaces(void);
void P_InitFTAnims(void);
void P_InitLightning(void);
void P_ForceLightning(void);


/* ---- P_LIGHTS ---- */

typedef enum
{
	LITE_RAISEBYVALUE,
	LITE_LOWERBYVALUE,
	LITE_CHANGETOVALUE,
	LITE_FADE,
	LITE_GLOW,
	LITE_FLICKER,
	LITE_STROBE
} lighttype_t;

typedef struct
{
	thinker_t	thinker;
	sector_t	*sector;
	lighttype_t	type;
	int		value1;
	int		value2;
	int		tics1;
	int		tics2;
	int		count;
} light_t;

typedef struct
{
	thinker_t	thinker;
	sector_t	*sector;
	int		index;
	int		base;
} phase_t;

#define LIGHT_SEQUENCE_START	2
#define LIGHT_SEQUENCE		3
#define LIGHT_SEQUENCE_ALT	4

void T_Phase(phase_t *phase);
void T_Light(light_t *light);
void P_SpawnPhasedLight(sector_t *sector, int base, int idx);
void P_SpawnLightSequence(sector_t *sector, int indexStep);
boolean EV_SpawnLight(line_t *line, byte *arg, lighttype_t type);

#if 0
typedef struct
{
	thinker_t	thinker;
	sector_t	*sector;
	int		count;
	int		maxlight;
	int		minlight;
	int		maxtime;
	int		mintime;
} lightflash_t;

typedef struct
{
	thinker_t	thinker;
	sector_t	*sector;
	int		count;
	int		minlight;
	int		maxlight;
	int		darktime;
	int		brighttime;
} strobe_t;

typedef struct
{
	thinker_t	thinker;
	sector_t	*sector;
	int		minlight;
	int		maxlight;
	int		direction;
} glow_t;

#define GLOWSPEED		8
#define STROBEBRIGHT		5
#define FASTDARK		15
#define SLOWDARK		35

void T_LightFlash (lightflash_t *flash);
void P_SpawnLightFlash (sector_t *sector);
void T_StrobeFlash (strobe_t *flash);
void P_SpawnStrobeFlash (sector_t *sector, int fastOrSlow, int inSync);
void EV_StartLightStrobing(line_t *line);
void EV_TurnTagLightsOff(line_t *line);
void EV_LightTurnOn(line_t *line, int bright);
void T_Glow(glow_t *g);
void P_SpawnGlowingLight(sector_t *sector);
void T_Phase(phase_t *phase);
void P_SpawnPhasedLight(sector_t *sector, int base, int idx);
void P_SpawnLightSequence(sector_t *sector, int indexStep);
#endif


/* ---- P_SWITCH ---- */

typedef struct
{
	const char	name1[9];
	const char	name2[9];
	int		soundID;
} switchlist_t;

typedef enum
{
	SWTCH_TOP,
	SWTCH_MIDDLE,
	SWTCH_BOTTOM
} bwhere_e;

typedef struct
{
	line_t		*line;
	bwhere_e	where;
	int		btexture;
	int		btimer;
	mobj_t		*soundorg;
} button_t;

#define MAXSWITCHES	50	/* max # of wall switches in a level */
#define MAXBUTTONS	16	/* 4 players, 4 buttons each at once, max. */
#define BUTTONTIME	35	/* 1 second */

extern	button_t	buttonlist[MAXBUTTONS];

void P_ChangeSwitchTexture(line_t *line, int useAgain);
void P_InitSwitchList(void);


/* ---- P_PLATS ---- */

typedef enum
{
	PLAT_UP,
	PLAT_DOWN,
	PLAT_WAITING,
	/*
	PLAT_IN_STASIS
	*/
} plat_e;

typedef enum
{
	PLAT_PERPETUALRAISE,
	PLAT_DOWNWAITUPSTAY,
	PLAT_DOWNBYVALUEWAITUPSTAY,
	PLAT_UPWAITDOWNSTAY,
	PLAT_UPBYVALUEWAITDOWNSTAY,
	/*
	PLAT_RAISEANDCHANGE,
	PLAT_RAISETONEARESTANDCHANGE
	*/
} plattype_e;

typedef struct
{
	thinker_t	thinker;
	sector_t	*sector;
	fixed_t		speed;
	fixed_t		low;
	fixed_t		high;
	int		wait;
	int		count;
	plat_e		status;
	plat_e		oldstatus;
	int		crush;
	int		tag;
	plattype_e	type;
} plat_t;

#define PLATWAIT	3
#define PLATSPEED	FRACUNIT
#define MAXPLATS	30

extern	plat_t		*activeplats[MAXPLATS];

void T_PlatRaise(plat_t *plat);
int EV_DoPlat(line_t *line, byte *args, plattype_e type, int amount);
void P_AddActivePlat(plat_t *plat);
void P_RemoveActivePlat(plat_t *plat);
void EV_StopPlat(line_t *line, byte *args);


/* ---- P_DOORS ---- */

typedef enum
{
	DREV_NORMAL,
	DREV_CLOSE30THENOPEN,
	DREV_CLOSE,
	DREV_OPEN,
	DREV_RAISEIN5MINS
} vldoor_e;

typedef struct
{
	thinker_t	thinker;
	sector_t	*sector;
	vldoor_e	type;
	fixed_t		topheight;
	fixed_t		speed;
	int		direction;	/* 1 = up, 0 = waiting at top, -1 = down */
	int		topwait;	/* tics to wait at the top (keep in case a door going down is reset) */
	int		topcountdown;	/* when it reaches 0, start going down */
} vldoor_t;

#define VDOORSPEED	(FRACUNIT * 2)
#define VDOORWAIT	150

boolean EV_VerticalDoor(line_t *line, mobj_t *thing);
int EV_DoDoor(line_t *line, byte *args, vldoor_e type);
void T_VerticalDoor(vldoor_t *door);
/*
void P_SpawnDoorCloseIn30(sector_t *sec);
void P_SpawnDoorRaiseIn5Mins(sector_t *sec, int secnum);
*/


/* ---- P_CEILNG ---- */

typedef enum
{
	CLEV_LOWERTOFLOOR,
	CLEV_RAISETOHIGHEST,
	CLEV_LOWERANDCRUSH,
	CLEV_CRUSHANDRAISE,
	CLEV_LOWERBYVALUE,
	CLEV_RAISEBYVALUE,
	CLEV_CRUSHRAISEANDSTAY,
	CLEV_MOVETOVALUETIMES8
} ceiling_e;

typedef struct
{
	thinker_t	thinker;
	sector_t	*sector;
	ceiling_e	type;
	fixed_t		bottomheight, topheight;
	fixed_t		speed;
	int		crush;
	int		direction;	/* 1 = up, 0 = waiting, -1 = down */
	int		tag;		/* ID */
	int		olddirection;
} ceiling_t;

#define CEILSPEED	FRACUNIT
#define CEILWAIT	150
#define MAXCEILINGS	30

extern	ceiling_t	*activeceilings[MAXCEILINGS];

int EV_DoCeiling(line_t *line, byte *args, ceiling_e type);
void T_MoveCeiling(ceiling_t *ceiling);
void P_AddActiveCeiling(ceiling_t *c);
void P_RemoveActiveCeiling(ceiling_t *c);
int EV_CeilingCrushStop(line_t *line, byte *args);


/* ---- P_FLOOR ---- */

typedef enum
{
	FLEV_LOWERFLOOR,		/* lower floor to highest surrounding floor */
	FLEV_LOWERFLOORTOLOWEST,	/* lower floor to lowest surrounding floor */
	FLEV_LOWERFLOORBYVALUE,
	FLEV_RAISEFLOOR,		/* raise floor to lowest surrounding CEILING */
	FLEV_RAISEFLOORTONEAREST,	/* raise floor to next highest surrounding floor */
	FLEV_RAISEFLOORBYVALUE,
	FLEV_RAISEFLOORCRUSH,
	FLEV_RAISEBUILDSTEP,		/* One step of a staircase */
	FLEV_RAISEBYVALUETIMES8,
	FLEV_LOWERBYVALUETIMES8,
	FLEV_LOWERTIMES8INSTANT,
	FLEV_RAISETIMES8INSTANT,
	FLEV_MOVETOVALUETIMES8
} floor_e;

typedef struct
{
	thinker_t	thinker;
	sector_t	*sector;
	floor_e		type;
	int		crush;
	int		direction;
	int		newspecial;
	short		texture;
	fixed_t		floordestheight;
	fixed_t		speed;
	int		delayCount;
	int		delayTotal;
	fixed_t		stairsDelayHeight;
	fixed_t		stairsDelayHeightDelta;
	fixed_t		resetHeight;
	short		resetDelay;
	short		resetDelayCount;
	byte		textureChange;
} floormove_t;

typedef struct
{
	thinker_t	thinker;
	sector_t	*sector;
	int		ceilingSpeed;
	int		floorSpeed;
	int		floordest;
	int		ceilingdest;
	int		direction;
	int		crush;
} pillar_t;

typedef struct
{
	thinker_t	thinker;
	sector_t	*sector;
	fixed_t		originalHeight;
	fixed_t		accumulator;
	fixed_t		accDelta;
	fixed_t		targetScale;
	fixed_t		scale;
	fixed_t		scaleDelta;
	int		ticker;
	int		state;
} floorWaggle_t;

#define FLOORSPEED	FRACUNIT

typedef enum
{
	RES_OK,
	RES_CRUSHED,
	RES_PASTDEST
} result_e;

typedef enum
{
	STAIRS_NORMAL,
	STAIRS_SYNC,
	STAIRS_PHASED
} stairs_e;

result_e T_MovePlane(sector_t *sector, fixed_t speed,
			fixed_t dest, int crush, int floorOrCeiling, int direction);

int EV_BuildStairs(line_t *line, byte *args, int direction, stairs_e type);
int EV_DoFloor(line_t *line, byte *args, floor_e floortype);
void T_MoveFloor(floormove_t *floor);
void T_BuildPillar(pillar_t *pillar);
void T_FloorWaggle(floorWaggle_t *waggle);
int EV_BuildPillar(line_t *line, byte *args, boolean crush);
int EV_OpenPillar(line_t *line, byte *args);
int EV_DoFloorAndCeiling(line_t *line, byte *args, boolean raise);
int EV_FloorCrushStop(line_t *line, byte *args);
boolean EV_StartFloorWaggle(int tag, int height, int speed, int offset, int timer);


/* ---- p_telept ---- */

boolean P_Teleport(mobj_t *thing, fixed_t x, fixed_t y, angle_t angle, boolean useFog);
boolean EV_Teleport(int tid, mobj_t *thing, boolean fog);


/* ---- p_acs ---- */

#define MAX_ACS_SCRIPT_VARS	10
#define MAX_ACS_MAP_VARS	32
#define MAX_ACS_WORLD_VARS	64
#define ACS_STACK_DEPTH		32
#define MAX_ACS_STORE		20

typedef enum
{
	ASTE_INACTIVE,
	ASTE_RUNNING,
	ASTE_SUSPENDED,
	ASTE_WAITINGFORTAG,
	ASTE_WAITINGFORPOLY,
	ASTE_WAITINGFORSCRIPT,
	ASTE_TERMINATING
} aste_t;

#pragma pack on

typedef struct acs_s acs_t;
typedef struct acsInfo_s acsInfo_t;


struct acsInfo_s
{
	int		number;
	byte		*address;
	int		argCount;
	aste_t		state;
	int		waitValue;
};

struct acs_s
{
	thinker_t	thinker;
	mobj_t		*activator;
	line_t		*line;
	int		side;
	int		number;
	int		infoIndex;
	int		delayCount;
	int		stack[ACS_STACK_DEPTH];
	int		stackPtr;
	int		vars[MAX_ACS_SCRIPT_VARS];
	byte		*ip;
};

typedef struct
{
	int		map;		/* Target map */
	int		script;		/* Script number on target map */
	byte		args[4];	/* Padded to 4 for alignment */
} acsstore_t;

#pragma pack off

void P_LoadACScripts(int lump);
boolean P_StartACS(int number, int map, byte *args, mobj_t *activator, line_t *line, int side);
boolean P_StartLockedACS(line_t *line, byte *args, mobj_t *mo, int side);
boolean P_TerminateACS(int number, int map);
boolean P_SuspendACS(int number, int map);
void T_InterpretACS(acs_t *script);
void P_TagFinished(int tag);
void P_PolyobjFinished(int po);
void P_ACSInitNewGame(void);
void P_CheckACSStore(void);

extern	int		ACScriptCount;
extern	byte		*ActionCodeBase;
extern	acsInfo_t	*ACSInfo;
extern	int		MapVars[MAX_ACS_MAP_VARS];
extern	int		WorldVars[MAX_ACS_WORLD_VARS];
extern	acsstore_t	ACSStore[MAX_ACS_STORE + 1];	/* +1 for termination marker */


/* ---- p_things ---- */

extern	mobjtype_t	TranslateThingType[];

boolean EV_ThingProjectile(byte *args, boolean gravity);
boolean EV_ThingSpawn(byte *args, boolean fog);
boolean EV_ThingActivate(int tid);
boolean EV_ThingDeactivate(int tid);
boolean EV_ThingRemove(int tid);
boolean EV_ThingDestroy(int tid);

#endif	/* __P_SPEC__ */