; -RA- DWX v1.41 User Doctrine

var PreEnableCourse
var PreEnableSpeed
var PreEnableDepth
var RunToEnable
var CircleSearchPattern
var Enabled
var Homing
var SearchDepth
var Floor
var Ceiling
var AcousticMode
var spdmin
var InitTime
var InitX
var InitY
var Run
var TRange
var snakeleft
var snakecrs
var corrInterogg
var fuel
var FSR
var K
var FSRMIN
VAR DMAX
VAR DMIN
VAR TorpMaxDepth
var ImpactTime
var CrushDpth
var Explode
VAR FIRST
VAR SrcSpd
VAR CalcSpd
VAR mspd
VAR DELAY
VAR OrdDpth
var GotHim
var ColT
VAR DELTA1
VAR OLDBRG
var trng
var tbrg
var tage
var talt
var TSILOS
VAR FTERM
VAR NumbNG
var UM
VAR Tconf
var TReatak
var FDROPA
VAR FREATAK
VAR UREATAK
var OLDPreCourse
var FKORIDOR
var curs_r
Var TR1
var Stab
var FS
var DFS
VAR DU
VAR TU 
var RV
var DK
VAR NUK
VAR KK
var DKR
var SilStart
var mission

func SearchOn {
IF AcousticMode THEN {
ENABLE
SensorEnable "268" 0
SensorEnable "540" 0
SensorEnable "544" 0
SensorEnable "546" 0
SensorEnable "556" 0
SensorEnable "810" 0
SensorEnable "812" 0
SensorEnable "821" 0
SensorEnable "831" 0
SensorEnable "1051" 0
SensorEnable "1075" 0
SensorEnable "1076" 0
} ELSE {
PASSIVEENABLE
SensorEnable "268" 0
} ENDIF
}
IF INIT THEN {
TU = -1
FIRST = 1
DFS = 926
DU = 3
CorrInterogg = Time
PreEnableDepth = Ownalt
IF ( DBUser1Flags & 2 ) == 2 THEN { SetSnorkel On SilStart = 1 } ENDIF
if ownalt > -15 then { PreEnableDepth = -15 } endif
InitTime = ( Time + 3 )
TorpMaxDepth = ( MinAlt * 3.28 )
Explode = RND 10
ImpactTime = 0
CrushDpth = 0
Enabled = 0
Homing = 0
snakeleft = 0
IF 5 >= ( RND 10 ) THEN { snakeleft = 1 } ENDIF
InitX = OwnX
InitY = OwnY
Tconf = 0
Treatak = -1
FDROPA = 1
IF ( OwnAlt <= TorpMaxDepth ) THEN {
	CrushDpth = 1
	ImpactTime = ( Time + 10 )
} ENDIF
} ELSE {
IF FIRST THEN {
FIRST = 0
IF RunToEnable < 100 THEN { RunToEnable = 100 } ENDIF
DKR = 0.3
IF RunToEnable < 100 THEN { RunToEnable = 100 } ENDIF
IF OwnName $= "SET-53M Torpedo U" THEN { spdmin = 28 UM = 200 FREATAK = 0 TRange = 14000 DMAX = 13995 Stab = 1 DK = 0.45
} elseIF OwnName $= "SET-65 Torpedo U" THEN { spdmin = 30 UM = 200 FREATAK = 0 TRange = 15000 DMAX = 11112 DFS = 1000 DK = 0.4
} elseIF OwnName $= "YU-3 Torpedo U" THEN { spdmin = 25 UM = 200 FREATAK = 0 TRange = 15000 DMAX = 9260 DK = 0.4
} elseIF OwnName $= "Mk 54 Torpedo U" THEN { spdmin = 30 UM = 200 FREATAK = 0 TRange = 14816 DMAX = 10371 DFS = 1000 DK = 0.5
} elseIF OwnName $= "Mk 50 Torpedo U" THEN { spdmin = 35 UM = 200 FREATAK = 1 TRange = 12964 DMAX = 9074 DFS = 1112 DK = 0.5 DKR = 0.3
} elseIF OwnName $= "Tigerfish Torpedo U" THEN { spdmin = 24 UM = 200 FREATAK = 0 TRange = 35000 DMAX = 12800 DFS = 1000 DK = 0.35
} elseIF OwnName $= "Mk 48 Mod 1 Torpedo U" THEN { spdmin = 40 UM = 70 FREATAK = 1 TRange = 38892 DMAX = 25928 DFS = 1000 DK = 0.35 DKR = 0.3
} elseIF OwnName $= "Mk 37C Torpedo U" THEN { spdmin = 20 UM = 60 FREATAK = 1 TRange = 36000 DMAX = 18200 DFS = 926 DK = 0.35 DKR = 0.3
} elseIF OwnName $= "Type 89 Torpedo U" THEN { spdmin = 35 UM = 70 FREATAK = 1 TRange = 38892 DMAX = 27780 DFS = 1000 DK = 0.5 DKR = 0.3 } ENDIF
DK = ( 0.1 / ( DK * 3.1415926 ) )
DKR = ( 0.1 / ( DKR * 3.1415926 ) )
FUEL = 1000
DMIN = ( Trange / 1852 )
DMAX = ( DMAX / 1852 )
FSRMIN = ( FUEL / ( DMIN / ( spdmin / 3600 ) ) )
K = ( ( ( FUEL / ( DMAX / ( MAXSPD / 3600 ) ) ) - FSRMIN ) / ( MAXSPD - spdmin ) )
SrcSpd = PreEnableSpeed

If ( SrcSpd < spdmin ) Then { SrcSpd = spdmin } Endif
IF ( PreEnableSpeed > ( spdmin + 5 ) ) AND not AcousticMode THEN { SrcSpd = ( spdmin + 5 ) } ENDIF

IF PreEnableSpeed < ( spdmin + 1 ) THEN {
	If Stab Then {
		PreEnableSpeed = MaxSpd
	} ELSE {
		PreEnableSpeed = spdmin
	} ENDIF
} ENDIF
} ENDIF
IF FUEL < 0 THEN {
	SHUTDOWN
} ELSE {
	CorrInterogg = ( Time - CorrInterogg )
	IF ( OWNALT < 0 ) AND ( ( OWNSPD >= ( spdmin - 1 ) ) OR ( OWNSPD <= ( MAXSPD + 1 ) ) ) THEN {
		FSR = ( FSRMIN + ( ( OWNSPD - spdmin ) * K ) )
		FSR = ( FSR * CorrInterogg )
		FUEL = ( FUEL - FSR )	
	} ENDIF	
IF SilStart THEN {
	IF ( OwnSpd <= PreEnableSpeed ) AND ( mission != 1 ) THEN {
		SetPriority 255
		SetSnorkel OFF
		mission = 1
	} ENDIF
} ENDIF
IF NEWTRACK THEN {
if ( ( ownalt >= Layer ) and ( tgtalt < Layer ) ) or ( ( ownalt < Layer ) and ( tgtalt >= Layer ) ) then { ColT = 1 } else { ColT = 0 } endif
if ColT and ( ( AcousticMode and ( tgtrng > dfs ) ) or ( ( tgtconf < 50 ) and not AcousticMode ) ) then {
	SETTACTIC "SBROS_T"
} else {
	IF ( TGTALT >= Floor ) AND ( TGTALT < ( Ceiling + 10 ) ) THEN {
		if tconf < tgtconf then { 
			TRNG = TGTRNG
			TALT = TGTALT
			TBRG = TGTBRG
			TSILOS = TGTSILOS
			GotHim = 0
			Treatak = -1
			FDROPA = 1
		} endif
IF ( ( TgtClass $= "Weap" ) AND NOT ( TargetName $= "Towed Decoy" ) ) OR ( TgtType $= "Bio" ) THEN { SETTACTIC "TorpHomCMN" } else { SETTACTIC "TorpHom" } ENDIF
	} ELSE {
		SETTACTIC "SBROS_T"
	} ENDIF
} ENDIF
} ENDIF
IF LOSTTRACK THEN {
	IF FREATAK THEN {
	IF FDROPA and ( TRng < ( 1000 + rnd 500 ) ) THEN {
		TReatak = Time
		NUK = 1
		TR1 = ( Time + 30 )
		curs_r = owncrs
		IF ( ( TIME MOD 2 ) - ( TIME MOD 1 ) ) THEN {
			UREATAK = -5
		} ELSE { 
			UREATAK = 5
		} ENDIF
	} ENDIF
	} ENDIF
	FDROPA = 1
} ENDIF
	Run += xyrng ( OwnX - InitX ) ( OwnY - InitY )
		InitX = OwnX
		InitY = OwnY
IF NOT Enabled THEN {
NUK = 1
		TReatak = -1
IF ( RunToEnable != -1 ) AND ( Run >= RunToEnable ) THEN {
	SearchON
	Enabled = 1
	RunToEnable = -1
} ENDIF
	IF ( Time > InitTime ) AND ( OwnAlt <= 0 ) THEN {
		SETPRIORITY 252	SetCrs PreEnableCourse
		SETPRIORITY 252 SetSpd PreEnableSpeed
		SETPRIORITY 252	SetAlt PreEnableDepth
	} ENDIF
} ELSEIF ( Time > InitTime ) AND ( OwnAlt <= 0 ) AND ( not HOMING ) THEN {
	Tconf = 0
	IF PreEnableCourse != OLDPreCourse THEN { TReatak = -1 TU = ( TIME + 12 ) } ENDIF
	if TReatak != -1 then {
		IF ( TR1 < Time ) and ( 5 > abs RelativeBearing curs_r owncrs ) THEN { TReatak = -1 } ELSE {
			RV = ( DKR * OWNSPD )
			IF NUK THEN { NUK = 0 KK = OWNCRS } ENDIF
			IF UREATAK == -5 THEN { KK = ( KK + RV ) MOD 360 } ELSE { KK = ( KK - RV ) MOD 360 } ENDIF
			SETPRIORITY 252 SETCRS KK
		} endif
	} else {
		IF TU != -1 THEN {
			SETPRIORITY 252 SetCrs PreEnableCourse
		} ELSEIF CircleSearchPattern THEN {
			IF NUK THEN { NUK = 0 KK = OWNCRS } ENDIF
			RV = ( DK * OWNSPD )
			IF snakeleft THEN { KK = ( KK - RV ) MOD 360 } ELSE { KK = ( KK + RV ) MOD 360 } ENDIF
			SETPRIORITY 252 SETCRS KK
	} ELSE {
		snakecrs = RelativeBearing PreenableCourse OwnCrs
	IF snakecrs > 30 THEN {
		snakeleft = 1
		DU = 3
	} ELSEIF snakecrs < -30 THEN {
		snakeleft = 0
		DU = 3
	} ENDIF
	IF snakeleft THEN { SETPRIORITY 252 SETCRS ( OwnCrs - DU )
	} ELSE { SETPRIORITY 252 SETCRS ( OwnCrs + DU ) } ENDIF
	DU += 1
	} ENDIF
	SETPRIORITY 252 SetSpd SrcSpd
	SETPRIORITY 252	SetAlt SearchDepth
} ENDIF
} endif

IF Time < InitTime THEN {
	SETPRIORITY 252	SetSpd PreEnableSpeed
	SETPRIORITY 252	SetAlt PreEnableDepth } ENDIF
IF ( CrushDpth == 1 ) AND ( Time >= ImpactTime ) THEN {
	IF Explode >= 5 THEN { Detonate } ELSE { Shutdown } ENDIF
} ENDIF
if Homing then {
fs = 0
if ( ( ownalt >= Layer ) and ( talt < Layer ) ) or ( ( ownalt < Layer ) and ( talt >= Layer ) ) then { ColT = 1
} else { ColT = 0 } endif
if ColT and ( ( AcousticMode and ( trng > dfs ) ) or ( ( tconf < 50 ) and not AcousticMode ) ) then {
fs = 1
} else {
IF not GotHim THEN {
	FTERM = 0
	GotHim = 1
	mspd = ( spdmin + 10 )
	IF DBBuoyFlags & 3 THEN { mspd = MaxSpd } ENDIF
	OLDBRG = TBRG
	IF AcousticMode THEN {
		mspd = MAXSPD
		DELAY = 7
	} ELSE {
		DELAY = 3
	} ENDIF
TAGE = 0
} ENDIF
NUK = 1
if ( ( talt - 11 ) > Ceiling ) or ( talt < floor ) then { FKORIDOR = 1 } else { FKORIDOR = 0 } endif
CalcSpd = ownspd
IF TAGE < DELAY THEN {
		CalcSpd = ( CalcSpd + 3 )
		IF CalcSpd > mspd THEN { CalcSpd = mspd } ENDIF
	} ELSE {
		IF OWNSPD > spdmin THEN {
		CalcSpd = ( CalcSpd - 3 )
		IF CalcSpd < spdmin THEN { CalcSpd = spdmin } ENDIF
	} endif
} ENDIF
IF TRNG >= 180 THEN {
OrdDpth = TALT
DELTA1 = ( OrdDpth - ownalt )
ColT = ( ( ownspd * 1852 ) / 3600 )
if ColT != 0 then { 
ColT = ( TRNG / ColT ) } else { ColT = 0.001 } endif
if ( TRNG > 1300 ) OR ( ABS TSILOS < 11 ) then { SETPRIORITY 252 SETCRS TBRG
fterm = 0
} elseif ( TRNG > 500 ) OR ( ABS TSILOS < 30 ) then {
fterm = 0
IF ColT > 20 THEN { ColT = 20 } ENDIF
ColT += 3
OLDBRG = ( ( ColT * TBRG ) - ( ( ColT - 1 ) * OLDBRG ) )
OLDBRG = ( OLDBRG + 720 )
OLDBRG = ( OLDBRG MOD 360 )
SETPRIORITY 252 SETCRS OLDBRG
} else { fterm = 1 } endif
ColT = XYBRG ABS DELTA1 ( TRNG * 3.28 )
if DELTA1 < 0 then { ColT = ( -1 * ColT ) } endif
SETPRIORITY 252 setpitch ColT
} ENDIF
SETPRIORITY 252
SETSPD CalcSpd
OLDBRG = TBRG
} endif
} ENDIF
} ENDIF
} ENDIF
IF TU != -1 THEN {
	IF TU < TIME THEN { TU = -1 } ENDIF
} ENDIF
if ownalt > -8 then { SETPRIORITY 255 setalt -8 } endif
OLDPreCourse = PreEnableCourse
Homing = 0
CorrInterogg = Time
