smart.c File Reference

Pilot steering, formation flying and maneuver selection. More...

#include "game.h"

Go to the source code of this file.

Functions
void	steer_away_from_object (short obj, short other, short amount)
void	transform_to_objects_frame (const FixedVector *source, FixedVector *destination, short obj)
void	ComputeVectorDelta (FixedVector *from, FixedVector *to, FixedVector *delta)
void	try2end_collision_alert (short obj)
unsigned int	offset_location (short obj, const ShortVector *offset, FixedVector *location)
unsigned int	compute_formation_destination (short leader, const ShortVector *offset, FixedVector *destination)
unsigned int	select_target (short obj)
void	steer_away_from_predicted_object (short obj, short other, short predictionTicks, short amount)
void	prevent_collision (short obj)
short	handle_collisions (short obj)
short	CountEnemyFighters (void)
void	position_relative (FixedVector *position, FixedVector direction, short distance)
short	scan_for_enemy (short obj, unsigned short range)
short	attacker_in_range (short obj, unsigned short range)
short	regulate_turn (short obj)
unsigned int	veer_random (short obj, short amount)
void	control_speed (short obj, unsigned short range, int desiredSpeed)
void	chase_location (short obj, const FixedVector *destination, short reference)
void	goto_location (short obj, const FixedVector *destination)
void	goto_formation (short obj, const FixedVector *destination, short leader)
unsigned int	maintain_formation (short obj)
unsigned int	reset_stress (short obj)
short	stress_morale (short obj)
short	any_defense (short obj)
short	pick_regular_maneuver (short obj, short event)
short	RandomBelow (short n)
short	pick_from_list (const ManeuverChoice *choice, short obj, short event)
short	pick_kilrathi_maneuver (short obj, short event)
short	CountAlliesOnSameTarget (short obj)
void	process_maneuver_node (short obj, short event)
void	handle_stress (short obj, short event)
unsigned int	reset_objective (short ship, short objective)
void	intelligence_events (short obj)

Variables
signed char	g_aDefenseManeuversNovice [8]
signed char	g_aDefenseManeuversVeteran [8]
signed char	g_aDefenseManeuversElite [16]
signed char	g_aDefenseManeuversAce [16]
signed char	g_aDefenseManeuversBoss [16]
signed char *	g_apDefenseManeuvers [5]
signed char	g_acPilotAggression [8]
signed char	g_acPilotRecovery [8]
short	g_bWingmanTurnRateUnlocked = 0
unsigned char	g_aShipIntelligenceData [5][0x51]

Detailed Description

Pilot steering, formation flying and maneuver selection.

Definition in file smart.c.

Function Documentation

any_defense()

short any_defense

(

short

obj

)

Definition at line 438 of file smart.c.

References any_defense(), g_apDefenseManeuvers, g_asPilotLevel, and RandomBelowOrEqual().

Referenced by any_defense(), maintain_formation(), pick_kilrathi_maneuver(), and pick_regular_maneuver().

attacker_in_range()

short attacker_in_range	(	short	obj,
		unsigned short	range )

Definition at line 664 of file logic.c.

chase_location()

void chase_location	(	short	obj,
		const FixedVector *	destination,
		short	reference )

Definition at line 278 of file smart.c.

References AddFixedVectors(), approach_speed(), CanSetNewShipTurnGoal(), chase_location(), control_speed(), copy_frame(), FixedToShortSaturating(), g_anRollGoal, g_anShipSpeed, g_aShipForwardVector, g_nFacingToTarget, g_nTargetRange, g_vToTarget, get_facing_range_from_point(), match_roll_orientation(), MaxShort(), point_ship(), ScaleFixedVector(), steady_object(), and trim_goals().

Referenced by chase_location(), and UpdateShipTurretGuns().

compute_formation_destination()

unsigned int compute_formation_destination	(	short	leader,
		const ShortVector *	offset,
		FixedVector *	destination )

Definition at line 243 of file smart.c.

References AddFixedVectors(), compute_formation_destination(), g_aShipVelocity, and offset_location().

Referenced by compute_formation_destination(), maintain_formation(), and UpdateShipTurretGuns().

ComputeVectorDelta()

void ComputeVectorDelta	(	FixedVector *	from,
		FixedVector *	to,
		FixedVector *	delta )

Definition at line 229 of file geom.c.

control_speed()

void control_speed	(	short	obj,
		unsigned short	range,
		int	desiredSpeed )

Definition at line 257 of file smart.c.

References AbsInt(), approach_speed(), celerate(), control_speed(), FixedToShortSaturating(), g_anShipSpeed, GetShipAccelerationRate(), and MaxShort().

Referenced by chase_location(), control_speed(), goto_formation(), and UpdateShipTurretGuns().

CountAlliesOnSameTarget()

short CountAlliesOnSameTarget

(

short

obj

)

Definition at line 563 of file smart.c.

References CountAlliesOnSameTarget(), g_acShipTarget, g_aeObjectClass, g_asIntelligenceEvent, g_asShipSide, and OBJECT_CLASS_SHIP.

Referenced by CountAlliesOnSameTarget(), maintain_formation(), and process_maneuver_node().

CountEnemyFighters()

short CountEnemyFighters

(

void

)

Definition at line 154 of file smart.c.

References CountEnemyFighters(), g_aeObjectClass, g_asShipSide, and OBJECT_CLASS_SHIP.

Referenced by CountEnemyFighters(), regulate_turn(), and UpdateShipTurretGuns().

goto_formation()

void goto_formation	(	short	obj,
		const FixedVector *	destination,
		short	leader )

Definition at line 348 of file smart.c.

References AddFixedVectors(), approach_full_speed(), approach_min_speed(), approach_ship_speed(), CanSetNewShipTurnGoal(), control_speed(), copy_frame(), fire_afterburner(), g_anRollGoal, g_anShipSpeed, g_aShipForwardVector, g_aShipPosition, g_nFacingToTarget, g_nTargetRange, g_vToTarget, get_facing_range_from_point(), goto_formation(), match_roll_orientation(), normal_speed(), point_parallel(), point_ship(), steady_object(), and trim_goals().

Referenced by goto_formation(), maintain_formation(), and UpdateShipTurretGuns().

goto_location()

void goto_location	(	short	obj,
		const FixedVector *	destination )

Definition at line 329 of file smart.c.

References approach_cruise_speed(), approach_full_speed(), approach_half_speed(), CanSetNewShipTurnGoal(), FixedToShortSaturating(), g_anShipSpeed, g_nFacingToTarget, g_nTargetRange, get_facing_range_from_point(), goto_location(), MaxShort(), and point_ship_at_point().

Referenced by goto_location(), and UpdateShipTurretGuns().

handle_collisions()

short handle_collisions

(

short

obj

)

Definition at line 141 of file smart.c.

References alert_flag(), detect_collisions(), handle_collisions(), prevent_collision(), and start_collision_alert().

Referenced by handle_collisions(), regulate_turn(), UpdateSavedTorpedoTargetLock(), and UpdateShipTurretGuns().

handle_stress()

void handle_stress	(	short	obj,
		short	event )

Definition at line 654 of file smart.c.

References evaluate_damage(), g_acPilotAggression, g_acPilotRecovery, g_acShipStress, g_asPilotLevel, handle_stress(), and MinShort().

Referenced by handle_stress(), intelligence_events(), and maintain_formation().

intelligence_events()

void intelligence_events

(

short

obj

)

Definition at line 708 of file smart.c.

References any_enemy(), evaluate_damage(), FindMissileTargetingObject(), g_acShipCollisionCooldown, g_acShipPendingMessage, g_acShipStress, g_acShipTarget, g_aeObjectClass, g_aeSpecialManeuver, g_anShipSpeed, g_asIntelligenceEvent, g_asObjectDamage, g_asShipSide, g_nFacingToTarget, g_nTargetFacing, g_nTargetRange, g_nYourWingman, get_facing_range_from_object(), GetAdaptiveTurnRate(), handle_stress(), intelligence_events(), OBJECT_CLASS_SHIP, OBJECTIVE_NONE, process_maneuver_node(), RandomBelow(), RandomBelowOrEqual(), reset_objective(), reset_stress(), select_target(), send_message(), SIDE_KILRATHI, SPECIAL_MANEUVER_UNKNOWN_9, and unactive().

maintain_formation()

unsigned int maintain_formation

(

short

obj

)

Definition at line 391 of file smart.c.

References compute_formation_destination(), g_aShipDestination, g_aShipFormationOffset, g_asShipWingLeader, goto_formation(), and maintain_formation().

offset_location()

unsigned int offset_location	(	short	obj,
		const ShortVector *	offset,
		FixedVector *	location )

Definition at line 230 of file smart.c.

References g_aShipForwardVector, g_aShipPosition, g_aShipRightVector, g_aShipUpVector, offset_location(), position_relative(), ShortVector::x, ShortVector::y, and ShortVector::z.

Referenced by compute_formation_destination(), offset_location(), set_formation_position(), and UpdateShipTurretGuns().

pick_from_list()

short pick_from_list	(	const ManeuverChoice *	choice,
		short	obj,
		short	event )

Definition at line 506 of file smart.c.

References g_asIntelligenceEvent, g_asShipManeuver, MANEUVER_NONE, MANEUVER_UNKNOWN_48, pick_from_list(), ManeuverChoice::primary, RandomBelow(), RandomBelowOrEqual(), ManeuverChoice::secondary, and ManeuverChoice::threshold.

Referenced by maintain_formation(), pick_from_list(), pick_kilrathi_maneuver(), and process_maneuver_node().

pick_kilrathi_maneuver()

short pick_kilrathi_maneuver	(	short	obj,
		short	event )

Definition at line 538 of file smart.c.

References any_defense(), g_aShipIntelligenceData, g_asShipIntelSlot, MANEUVER_STRAFE_ENEMY, MANEUVER_UNKNOWN_48, MANEUVER_UNKNOWN_49, MANEUVER_ZIP_PAST, pick_from_list(), pick_kilrathi_maneuver(), and stress_morale().

Referenced by maintain_formation(), pick_kilrathi_maneuver(), and process_maneuver_node().

pick_regular_maneuver()

short pick_regular_maneuver	(	short	obj,
		short	event )

Definition at line 455 of file smart.c.

References any_defense(), g_acShipTarget, g_aeObjectClass, g_asIntelligenceEvent, g_asPilotLevel, g_asShipManeuver, MANEUVER_HARD_TURN, MANEUVER_LINE_UP_DROP, MANEUVER_NONE, MANEUVER_OUTA_HERE, MANEUVER_ROLL_OVER, MANEUVER_STRAFE_ENEMY, MANEUVER_TAIL_FIRE, MANEUVER_TRY2TAIL, MANEUVER_WABBLE, MANEUVER_ZIP_PAST, OBJECT_CLASS_CAPITAL_SHIP, pick_regular_maneuver(), RandomBelow(), RandomBelowOrEqual(), and stress_morale().

Referenced by maintain_formation(), pick_regular_maneuver(), and process_maneuver_node().

position_relative()

void position_relative	(	FixedVector *	position,
		FixedVector	direction,
		short	distance )

Definition at line 101 of file geom.c.

prevent_collision()

void prevent_collision

(

short

obj

)

Definition at line 99 of file smart.c.

References approach_full_speed(), approach_zero_speed(), CanSetNewShipTurnGoal(), clear_alert(), fire_afterburner(), g_5_nCollisionCountdownNumber, g_acShipAlertSource, g_aShipPosition, g_nFacingToTarget, g_nTargetFacing, get_facing_range_from_point(), MaxShort(), MinShort(), normal_speed(), prevent_collision(), steer_away_from_predicted_object(), try2end_collision_alert(), and veer_random().

Referenced by handle_collisions(), prevent_collision(), and UpdateShipTurretGuns().

process_maneuver_node()

void process_maneuver_node	(	short	obj,
		short	event )

Definition at line 580 of file smart.c.

References CountAlliesOnSameTarget(), fire(), fire_afterburner(), g_13_stMissionHeaderBlock, g_36_cPilotKillCountValue, g_4_acInitialShipKillNumber, g_acShipTarget, g_aeSpecialManeuver, g_anShipCloakState, g_aShipIntelligenceData, g_asPilotLevel, g_asProjectileEvasionTicks, g_asShipCloakCooldown, g_asShipIntelSlot, g_asShipManeuver, g_asShipMissionIndex, g_asShipSide, g_bWingmanTurnRateUnlocked, g_nFacingToTarget, g_nTargetFacing, g_nTargetRange, g_nYourWingman, GetAdaptiveTurnRate(), MissionHeader::initialMissionShips, pick_from_list(), pick_kilrathi_maneuver(), pick_regular_maneuver(), process_maneuver_node(), reset_maneuver(), and stress_morale().

Referenced by intelligence_events(), maintain_formation(), and process_maneuver_node().

RandomBelow()

short RandomBelow

(

short

n

)

Definition at line 12 of file eventmgr.c.

regulate_turn()

short regulate_turn

(

short

obj

)

Definition at line 173 of file smart.c.

References CountEnemyFighters(), g_abShipTurn, g_acTurnInterval, g_acTurnRegulator, g_aeObjectClass, g_aeSpecialManeuver, g_asShipSide, g_bWingmanTurnRateUnlocked, g_nSpaceFrame, g_nYourWingman, GetAdaptiveTurnRate(), handle_collisions(), OBJECT_CLASS_CAPITAL_SHIP, OBJECT_CLASS_SHIP, regulate_turn(), and SPECIAL_MANEUVER_UNKNOWN_9.

Referenced by capital_ship_intelligence(), regulate_turn(), ship_intelligence(), and UpdateShipTurretGuns().

reset_objective()

unsigned int reset_objective	(	short	ship,
		short	objective )

Definition at line 445 of file logic.c.

reset_stress()

unsigned int reset_stress

(

short

obj

)

Definition at line 405 of file smart.c.

References evaluate_damage(), find_ratio(), g_acPilotAggression, g_acShipStress, g_asPilotLevel, and reset_stress().

Referenced by intelligence_events(), maintain_formation(), and reset_stress().

scan_for_enemy()

short scan_for_enemy	(	short	obj,
		unsigned short	range )

Definition at line 576 of file logic.c.

select_target()

unsigned int select_target

(

short

obj

)

Definition at line 199 of file smart.c.

References attacker_in_range(), distance_from_object(), g_acShipTarget, g_asShipSide, RandomBelow(), scan_for_enemy(), select_target(), and SIDE_KILRATHI.

Referenced by capital_ship_intelligence(), check_engage_target(), intelligence_events(), select_target(), and UpdateShipTurretGuns().

steer_away_from_object()

void steer_away_from_object	(	short	obj,
		short	other,
		short	amount )

Definition at line 40 of file smart.c.

References AddFixedVectors(), ComputeVectorDelta(), g_anPitchGoal, g_anRollGoal, g_anYawGoal, g_aShipPosition, g_aShipVelocity, steer_away_from_object(), transform_to_objects_frame(), FixedVector::x, and FixedVector::y.

Referenced by Mget_distance(), Mveer_away(), steer_away_from_object(), and UpdateShipTurretGuns().

steer_away_from_predicted_object()

void steer_away_from_predicted_object	(	short	obj,
		short	other,
		short	predictionTicks,
		short	amount )

Definition at line 72 of file smart.c.

References AddFixedVectors(), ComputeVectorDelta(), g_anPitchGoal, g_anRollGoal, g_anYawGoal, g_aShipPosition, g_aShipVelocity, ScaleFixedVector(), steer_away_from_predicted_object(), transform_to_objects_frame(), FixedVector::x, and FixedVector::y.

Referenced by prevent_collision(), steer_away_from_predicted_object(), and UpdateShipTurretGuns().

stress_morale()

short stress_morale

(

short

obj

)

Definition at line 427 of file smart.c.

References g_acShipStress, and stress_morale().

Referenced by maintain_formation(), pick_kilrathi_maneuver(), pick_regular_maneuver(), process_maneuver_node(), and stress_morale().

transform_to_objects_frame()

void transform_to_objects_frame	(	const FixedVector *	source,
		FixedVector *	destination,
		short	obj )

Definition at line 495 of file geom.c.

try2end_collision_alert()

void try2end_collision_alert

(

short

obj

)

Definition at line 58 of file logic.c.

veer_random()

unsigned int veer_random	(	short	obj,
		short	amount )

Definition at line 211 of file smart.c.

References g_anPitchGoal, g_anYawGoal, RandomBelowOrEqual(), and veer_random().

Referenced by Mbuzz_debris(), Msit_n_spin(), Mturn_n_kick(), Mturn_n_spin(), Mveer_away(), prevent_collision(), streak_toward(), UpdateShipTurretGuns(), and veer_random().

Variable Documentation

g_acPilotAggression

signed char g_acPilotAggression[8]

Initial value:

                                = {
    3, 3, 3, 2, 2, 3, 0, 0
}

Definition at line 30 of file smart.c.

Referenced by handle_stress(), and reset_stress().

g_acPilotRecovery

signed char g_acPilotRecovery[8]

Initial value:

                              = {
    6, 7, 8, 8, 9, 8, 0, 0
}

Definition at line 33 of file smart.c.

Referenced by handle_stress().

g_aDefenseManeuversAce

signed char g_aDefenseManeuversAce[16]

Initial value:

                                   = {
    17, 23, 15, 19, 9, 14, 20, 12, -1, 0, 0, 0, 0, 0, 0, 0
}

Definition at line 17 of file smart.c.

g_aDefenseManeuversBoss

signed char g_aDefenseManeuversBoss[16]

Initial value:

                                    = {
    15, 19, 12, 11, 17, 23, 7, 9, -1, 0, 0, 0, 0, 0, 0, 0
}

Definition at line 20 of file smart.c.

g_aDefenseManeuversElite

signed char g_aDefenseManeuversElite[16]

Initial value:

                                     = {
    8, 15, 17, 23, 19, 9, 20, 24, 14, -1, 0, 0, 0, 0, 0, 0
}

Definition at line 14 of file smart.c.

g_aDefenseManeuversNovice

signed char g_aDefenseManeuversNovice[8]

Initial value:

                                      = {
    24, 24, 13, 14, -1, 0, 0, 0
}

Definition at line 8 of file smart.c.

g_aDefenseManeuversVeteran

signed char g_aDefenseManeuversVeteran[8]

Initial value:

                                       = {
    8, 13, 15, 14, 19, 24, -1, 0
}

Definition at line 11 of file smart.c.

g_apDefenseManeuvers

signed char* g_apDefenseManeuvers[5]

Initial value:

                                 = {
    g_aDefenseManeuversNovice,
    g_aDefenseManeuversVeteran,
    g_aDefenseManeuversElite,
    g_aDefenseManeuversAce,
    g_aDefenseManeuversBoss
}

Definition at line 23 of file smart.c.

Referenced by any_defense().

g_aShipIntelligenceData

unsigned char g_aShipIntelligenceData[5][0x51]

Definition at line 796 of file smart.c.

Referenced by init_intelligence_data(), pick_kilrathi_maneuver(), process_maneuver_node(), and ProcessMissionWaveCommands().

g_bWingmanTurnRateUnlocked

short g_bWingmanTurnRateUnlocked = 0

Definition at line 36 of file smart.c.

Referenced by process_maneuver_node(), and regulate_turn().