smart.c File Reference

Collision avoidance, formation flying and manoeuvre selection. More...

#include "wc1.h"
#include <dos.h>
#include <process.h>

Go to the source code of this file.

Functions
unsigned int	steer_away_from_object (short obj, short other, short amount)
void	steer_away_from_predicted_object (short obj, short other, short predictionTicks, short amount)
void	prevent_collision (short obj)
short	handle_collisions (short obj)
int	regulate_turn (short obj)
unsigned int	select_target (short obj)
unsigned int	veer_random (short obj, short amount)
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	control_speed (short obj, unsigned short range, int desiredSpeed)
unsigned int	chase_location (short obj, const FixedVector *destination, short reference)
unsigned int	goto_location (short obj, const FixedVector *destination)
unsigned int	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)
enum ShipManeuver	any_defense (short obj)
enum ShipManeuver	pick_regular_maneuver (short obj, int event)
enum ShipManeuver	pick_from_list (const ManeuverChoice *choice, short obj)
enum ShipManeuver	pick_kilrathi_maneuver (short obj, int event)
unsigned int	process_maneuver_node (short obj, int event)
void	handle_stress (short obj, int event)
void	intelligence_events (short obj)
unsigned int	chase_speed (short obj, short range)

Variables
FixedVector	aShipRightVector [64]
FixedVector	aShipUpVector [64]
FixedVector	aShipFwdVec [64]
HazardField *	pActiveHazardField
signed char	acPlayerComponentDamageList [9]
signed char	abFlightPathList [MISSION_OBJECTIVE_COUNT]
FixedVector	aShipVelocity [SPACE_OBJECT_COUNT]
short	anYawTarget [16]

Detailed Description

Collision avoidance, formation flying and manoeuvre selection.

Address range 433ac0-434ccf. The ordered MacsBug symbols of the Super Wing Commander smart unit corroborate the boundary: its final routine is chase_speed, immediately followed by the random unit.

Definition in file smart.c.

Function Documentation

any_defense()

enum ShipManeuver any_defense

(

short

obj

)

Definition at line 414 of file smart.c.

References aiPilotLevel, any_defense(), apDefenseManeuvers, and RandomBelowOrEqual().

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

chase_location()

unsigned int chase_location	(	short	obj,
		const FixedVector *	destination,
		short	reference )

Definition at line 246 of file smart.c.

References AddFixedVectors(), anRollGoal, anShipSpeed, approach_speed(), aShipFwdVec, chase_location(), control_speed(), copy_frame(), FixedToShortSaturating(), get_facing_range_from_point(), match_roll_orientation(), MaxShort(), nFacingToTargetValue, no_goal(), nTgtRange, point_ship(), ScaleFixedVector(), steady_object(), trim_goals(), and vToTgt.

Referenced by chase_location(), Mchill(), and PlaySfxWaveFileByNumber().

chase_speed()

unsigned int chase_speed	(	short	obj,
		short	range )

Definition at line 672 of file smart.c.

References acShipTargetTable, anShipSpeed, approach_full_speed(), approach_speed(), approach_zero_speed(), chase_speed(), and nTgtRange.

Referenced by chase_speed(), Mtail_fire(), and PlaySfxWaveFileByNumber().

compute_formation_destination()

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

Definition at line 206 of file smart.c.

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

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

control_speed()

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

Definition at line 221 of file smart.c.

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

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

goto_formation()

unsigned int goto_formation	(	short	obj,
		const FixedVector *	destination,
		short	leader )

Definition at line 323 of file smart.c.

References AddFixedVectors(), anRollGoal, anShipSpeed, approach_full_speed(), approach_min_speed(), approach_ship_speed(), aShipFwdVec, aShipPositionsArray, control_speed(), copy_frame(), fire_afterburner(), get_facing_range_from_point(), goto_formation(), match_roll_orientation(), nFacingToTargetValue, no_goal(), normal_speed(), nTgtRange, point_parallel(), point_ship(), steady_object(), trim_goals(), and vToTgt.

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

goto_location()

unsigned int goto_location	(	short	obj,
		const FixedVector *	destination )

Definition at line 297 of file smart.c.

References anShipSpeed, approach_cruise_speed(), approach_full_speed(), approach_half_speed(), FixedToShortSaturating(), goto_location(), MaxShort(), nFacingToTargetValue, no_goal(), nTgtRange, point_ship_at_point(), and ship_vs_point().

Referenced by goto_location(), and PlaySfxWaveFileByNumber().

handle_collisions()

short handle_collisions

(

short

obj

)

Definition at line 122 of file smart.c.

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

Referenced by handle_collisions(), PlaySfxWaveFileByNumber(), and regulate_turn().

handle_stress()

void handle_stress	(	short	obj,
		int	event )

Definition at line 552 of file smart.c.

References acPilotAggression, acPilotRecovery, acShipStressList, aiPilotLevel, evaluate_damage(), handle_stress(), and MinShort().

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

intelligence_events()

void intelligence_events

(

short

obj

)

Definition at line 599 of file smart.c.

References acShipAiCooldowns, acShipStressList, acShipTargetTable, acWingmanMessageStatesArray, aeObjectClass, aeSpecialManeuvers, aiIntelligenceEvent, anShipSpeed, any_enemy(), evaluate_damage(), handle_stress(), intelligence_events(), missile_on_tail(), nFacingToTargetValue, nTargetFacingValue, nTgtRange, nYourWingman, OBJECT_CLASS_SHIP, OBJECTIVE_NONE, process_maneuver_node(), RandomBelow(), reset_objective(), reset_stress(), select_target(), send_message(), ship_vs_ship(), SPECIAL_MANEUVER_UNKNOWN_9, and unactive().

Referenced by intelligence_events(), maneuvering(), and PlaySfxWaveFileByNumber().

maintain_formation()

unsigned int maintain_formation

(

short

obj

)

Definition at line 367 of file smart.c.

References aShipDestinationsArray, aShipFormationDeltaList, asShipWingLeaderArray, compute_formation_destination(), goto_formation(), and maintain_formation().

Referenced by imperial_formation(), kilrathi_wingman(), maintain_formation(), PlaySfxWaveFileByNumber(), and run_away().

offset_location()

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

Definition at line 192 of file smart.c.

References aShipFwdVec, aShipPositionsArray, aShipRightVector, aShipUpVector, offset_location(), position_relative(), ShortVector::x, ShortVector::y, and ShortVector::z.

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

pick_from_list()

enum ShipManeuver pick_from_list	(	const ManeuverChoice *	choice,
		short	obj )

Definition at line 481 of file smart.c.

References aeShipManeuversTable, MANEUVER_NONE, MANEUVER_UNKNOWN_45, pick_from_list(), ManeuverChoice::primary, RandomBelow(), RandomBelowOrEqual(), ManeuverChoice::secondary, and ManeuverChoice::threshold.

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

pick_kilrathi_maneuver()

enum ShipManeuver pick_kilrathi_maneuver	(	short	obj,
		int	event )

Definition at line 507 of file smart.c.

References aiPilotLevel, aKilrathiManeuverChoices, any_defense(), MANEUVER_STRAFE_ENEMY, MANEUVER_UNKNOWN_45, MANEUVER_UNKNOWN_46, pick_from_list(), pick_kilrathi_maneuver(), and stress_morale().

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

pick_regular_maneuver()

enum ShipManeuver pick_regular_maneuver	(	short	obj,
		int	event )

Definition at line 428 of file smart.c.

References acShipTargetTable, aeObjectClass, aeShipManeuversTable, aiIntelligenceEvent, aiPilotLevel, any_defense(), MANEUVER_DROP_A_MINE, 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, mine_available(), OBJECT_CLASS_CAPITAL_SHIP, pick_regular_maneuver(), RandomBelow(), RandomBelowOrEqual(), and stress_morale().

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

prevent_collision()

void prevent_collision

(

short

obj

)

Definition at line 77 of file smart.c.

References abCollisionAlertTargets, approach_full_speed(), approach_zero_speed(), aShipPositionsArray, clear_alert(), crash_time(), fire_afterburner(), MaxShort(), MinShort(), nFacingToTargetValue, no_goal(), normal_speed(), nTargetFacingValue, prevent_collision(), ship_vs_point(), steer_away_from_predicted_object(), try2end_collision_alert(), and veer_random().

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

process_maneuver_node()

unsigned int process_maneuver_node	(	short	obj,
		int	event )

Definition at line 527 of file smart.c.

References acShipRating, aeShipManeuversTable, aeShipSide, aRatedManeuverChoices, pick_from_list(), pick_kilrathi_maneuver(), pick_regular_maneuver(), process_maneuver_node(), reset_maneuver(), SIDE_KILRATHI, and stress_morale().

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

regulate_turn()

int regulate_turn

(

short

obj

)

Definition at line 135 of file smart.c.

References abShipTurnList, acTurnIntervalArray, acTurnRegulatorsArray, aeObjectClass, aeSpecialManeuvers, handle_collisions(), OBJECT_CLASS_CAPITAL_SHIP, regulate_turn(), and SPECIAL_MANEUVER_UNKNOWN_9.

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

reset_stress()

unsigned int reset_stress

(

short

obj

)

Definition at line 382 of file smart.c.

References acPilotAggression, acShipStressList, aiPilotLevel, evaluate_damage(), find_ratio(), and reset_stress().

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

select_target()

unsigned int select_target

(

short

obj

)

Definition at line 154 of file smart.c.

References acShipTargetTable, aeShipSide, attacker_in_range(), distance_from_object(), RandomBelow(), scan_for_enemy(), select_target(), and SIDE_KILRATHI.

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

steer_away_from_object()

unsigned int steer_away_from_object	(	short	obj,
		short	other,
		short	amount )

Definition at line 25 of file smart.c.

References AddFixedVectors(), anPitchGoal, anRollGoal, anYawTarget, aShipPositionsArray, aShipVelocity, ComputeVectorDelta(), steer_away_from_object(), transform_to_objects_frame(), FixedVector::x, and FixedVector::y.

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

steer_away_from_predicted_object()

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

Definition at line 50 of file smart.c.

References AddFixedVectors(), anPitchGoal, anRollGoal, anYawTarget, aShipPositionsArray, aShipVelocity, ComputeVectorDelta(), ScaleFixedVector(), steer_away_from_predicted_object(), transform_to_objects_frame(), FixedVector::x, and FixedVector::y.

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

stress_morale()

short stress_morale

(

short

obj

)

Definition at line 404 of file smart.c.

References acShipStressList, and stress_morale().

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

veer_random()

unsigned int veer_random	(	short	obj,
		short	amount )

Definition at line 172 of file smart.c.

References anPitchGoal, anYawTarget, RandomBelowOrEqual(), and veer_random().

Referenced by Mbuzz_debris(), Msit_n_spin(), Mtry2tail(), Mturn_n_kick(), Mturn_n_spin(), Mveer_away(), PlaySfxWaveFileByNumber(), prevent_collision(), ShipAiState35(), streak_toward(), and veer_random().

Variable Documentation

abFlightPathList

signed char abFlightPathList[MISSION_OBJECTIVE_COUNT]

Definition at line 20 of file smart.c.

Referenced by arrive_from_warp(), auto_pilot_sequence(), Build_objective_list(), CentreMouseOnCurrentNavObjective(), cruise_home(), cruise_to_destination(), cycle_next_objective(), get_follow_point(), SelectNavObjectiveAtPoint(), set_new_objective(), set_next_destination(), and triumph().

acPlayerComponentDamageList

signed char acPlayerComponentDamageList[9]

Definition at line 19 of file smart.c.

Referenced by damage_your_component(), HandleSpaceFlightControls(), malf(), prepare_mission(), repair_internal_damage(), replenish_shields(), replenish_weapon_energy_bank(), ReportComponentRepaired(), RunTrainSim(), show_damage_disp(), target_locking(), UpdateDamageDisplay(), and your_internal_damage().

anYawTarget

short anYawTarget[16]

Definition at line 22 of file smart.c.

Referenced by advance_canned_sequence(), auto_pilot_sequence(), formation_break(), general_zig(), Mburnout(), Mcorkscrew(), Mfish_hook(), Mhard_turn(), Msplit_left(), Msplit_right(), Mstrafe_enemy(), Mwabble(), no_goal(), point_perpendicular_to_point(), point_ship(), prepare_for_jump(), rotate_object_to_goal(), steady_object(), steer_away_from_object(), steer_away_from_predicted_object(), tanker_intelligence(), trim_goals(), update_canned_sequence(), and veer_random().

aShipFwdVec

FixedVector aShipFwdVec[64]

Definition at line 17 of file smart.c.

Referenced by accelerate_and_move_object(), alter_pitch(), alter_yaw(), animate_object(), approach(), auto_pilot_sequence(), chase_location(), copy_frame(), CreateCannedSceneObject(), ejection_sequence(), facing_to_object(), fire_weapon(), fix_objects_ijk(), fix_velocity(), generate_stars(), get_facing_range_from_object(), get_facing_range_from_point(), get_front_spot(), get_rear_spot(), goto_formation(), HandleFleetOverviewInput(), house_keep_objects(), inflict_damage(), init_hazard(), init_ijk(), InitializeConstellationObject(), make_shard(), match_ship_to_eye(), Msit_n_spin(), new_view(), offset_location(), parse_view_script(), point_at(), point_parallel(), point_ship_behind_object(), position_child(), position_relative_ijk(), set_eye_direction_and_position(), SetFleetOverviewView(), ShowGameOverScreen(), ShowTigerClawEscapeScene(), skew_randomly(), start_dust(), Title_Sequence(), transform_to_objects_frame(), try_far_spot(), and update_star_field().

aShipRightVector

FixedVector aShipRightVector[64]

Definition at line 15 of file smart.c.

Referenced by alter_roll(), alter_yaw(), copy_frame(), ejection_sequence(), fix_objects_ijk(), generate_stars(), HandleFleetOverviewInput(), inflict_damage(), init_ijk(), match_roll_orientation(), match_ship_to_eye(), new_view(), offset_location(), position_child(), position_relative_ijk(), set_background_objects_rotation(), set_eye_direction_and_position(), SetFleetOverviewView(), skew_randomly(), start_dust(), transform_to_objects_frame(), try_far_spot(), and update_star_field().

aShipUpVector

FixedVector aShipUpVector[64]

Definition at line 16 of file smart.c.

Referenced by alter_pitch(), alter_roll(), copy_frame(), ejection_sequence(), fire_weapon(), fix_objects_ijk(), generate_stars(), get_right_shape(), HandleFleetOverviewInput(), init_ijk(), match_roll_orientation(), match_ship_to_eye(), new_view(), offset_location(), point_ship_below_object(), position_child(), position_relative_ijk(), set_background_objects_rotation(), set_eye_direction_and_position(), SetFleetOverviewView(), ShowGameOverScreen(), skew_randomly(), start_dust(), transform_to_objects_frame(), try_far_spot(), and update_star_field().

aShipVelocity

FixedVector aShipVelocity[SPACE_OBJECT_COUNT]

Definition at line 21 of file smart.c.

Referenced by accelerate_and_move_object(), animate_object(), apply_force_to_object(), apply_force_to_objects_center(), approach(), auto_pilot_sequence(), compute_formation_destination(), Create_explosion_debris(), Create_ship_hit_debris(), cruise_home(), ejection_sequence(), fire(), fire_afterburner(), fire_weapon(), fix_velocity(), hit_asteroid(), house_keep_objects(), init_hazard(), initialize_object(), initialize_scripted_view(), launch_object(), make_shard(), match_ship_to_eye(), new_view(), object_collision(), onboard_explosion(), parse_view_script(), real_crash_time(), real_velocity(), send_at_point(), servicetrack(), set_eye_direction_and_position(), Set_up_ship_info(), SetFleetOverviewView(), ShipExplosion(), ShowCarrierLaunchSequence(), ShowGameOverScreen(), ShowTigerClawEscapeScene(), start_dust(), steer_away_from_object(), steer_away_from_predicted_object(), Title_Sequence(), unwarp(), update_canned_sequence(), update_digital_readouts(), update_star_field(), and warp().

pActiveHazardField

HazardField* pActiveHazardField

Definition at line 18 of file smart.c.

Referenced by auto_pilot_sequence(), auto_pilot_valid(), check_hazards(), init_hazard(), match_ship_to_eye(), remove_all_hazards(), start_hazard_field(), try_far_spot(), and update_star_field().