geom.c File Reference

Vector, angle and fixed-point geometry, and ship speed and fuel limits. More...

#include "wc1.h"

Go to the source code of this file.

Functions
short __stdcall	MeasureTextPixelWidthClamped (const char *text)
int __stdcall	SeekPacketSection (PacketSectionHandle *handle, int offset, short origin)
unsigned short	GetMusicDriverPresent (short mode)
short __stdcall	CollectActivePaletteIndices (Viewport *viewport, unsigned char *indices, short capacity)
short	get_ship_max_velocity (short obj)
short	recalc_max_velocity (short ship)
void	drain_fuel (short ship, short amount)
void	damage_ion_drive (short ship, short amount, short maximum)
int	GetShipAccelerationRate (short ship)
void	point_at (short obj, FixedVector point)
void	look_at (short obj)
void	position_relative (FixedVector *position, FixedVector direction, short distance)
void	position_relative_ijk (FixedVector *position, short obj, short right, short up, short forward)
short	FixedToShortSaturating (int value)
int	MinInt (int a, int b)
int	MaxInt (int a, int b)
int	AbsInt (int v)
int	intfract_sign (int sign, int magnitude)
unsigned short	SignShort (short v)
unsigned int	SignFixed (int v)
short	WrapDegrees (short degrees)
int	equ_vector (const FixedVector *left, const FixedVector *right)
int	IsPairEqualityDifferentFromFlag (const unsigned int *values)
void	zero_vector (FixedVector *vector)
void	negate_vector (FixedVector *vector)
void	AddFixedVectors (const FixedVector *left, const FixedVector *right, FixedVector *sum)
void	SubtractFixedVectors (FixedVector *left, FixedVector *right, FixedVector *difference)
void	ComputeVectorDelta (const FixedVector *from, const FixedVector *to, FixedVector *delta)
void	ScaleFixedVector (const FixedVector *vector, int scale, FixedVector *result)
void	divide_vector (FixedVector *vector, int divisor, FixedVector *result)
short	ChooseRandomSignedMagnitude (short minimum, short maximum, int allowNegative)
void	MakeRandomVectorFixed (short minimum, short maximum, FixedVector *vector)
void	FillFixedVectorWithRandomComponents (short limit, FixedVector *vector)
void	random_radial (const FixedVector *center, short radius, FixedVector *position)
void	MakeRandomNormalizedVector (FixedVector *vector)
void	rectangular_to_spherical (const FixedVector *rectangular, SphericalVector *spherical)
long	SinFixed (short degrees)
void	ConvertSphericalToRectangular (const SphericalVector *spherical, FixedVector *rectangular)
void	ConvertShortVectorToFixedVector (const ShortVector *source, FixedVector *destination)
void	ConvertFixedVectorToShortVector (const FixedVector *source, ShortVector *destination)
int	dot_product (const FixedVector *left, const FixedVector *right)
short	vector_angle (FixedVector left, FixedVector right)
void	vector_cross_product (const FixedVector *left, const FixedVector *right, FixedVector *product)
short	NormalizeFixedVector (FixedVector *vector)
int	vector_length_in_dir (const FixedVector *vector, const FixedVector *direction)
void	vector_component_in_dir (const FixedVector *vector, const FixedVector *direction, FixedVector *component)
void	rotate_about_i (short angle, FixedVector *j, FixedVector *k)
void	rotate_about_j (short angle, FixedVector *i, FixedVector *k)
void	rotate_about_k (short angle, FixedVector *i, FixedVector *j)
void	init_ijk (short obj)
void	copy_frame (short source, short destination)
void	fix_objects_ijk (short obj)
void	transform_to_objects_frame (const FixedVector *source, FixedVector *destination, short obj)
void	alter_pitch (short angle, short obj)
void	alter_yaw (short angle, short obj)
void	alter_roll (short angle, short obj)
short	distance_between_points (const FixedVector *from, const FixedVector *to)
short	distance_from_point (short obj, const FixedVector *point)
short	distance_from_object (short obj, short other)
void	get_facing_range_from_point (short obj, const FixedVector *point)
void	get_facing_range_from_object (short obj, short other)
void	ship_vs_point (short obj, const FixedVector *point)
void	ship_vs_ship (short obj, short other)
short	facing_to_object (short obj, FixedVector *point)
short	match_roll_orientation (short obj, short reference)
int	set_ship_rotation_goals (short obj, short turnRate, const FixedVector *direction, short pointingMode, short *yawGoal, short *pitchGoal)
void	point_ship (short obj, short turnRate, const FixedVector *direction)
void	point_ship_at_point (short obj, const FixedVector *point)
void	point_ship_at_object (short obj, short other)
void	point_capital_ship_at_object (short obj, short other)
void	point_ship_behind_object (short obj, short other)
void	point_ship_below_object (short obj, short other)
void	point_perpendicular_to_point (short obj, const FixedVector *point)
void	point_perpendicular (short obj, short other)
void	point_parallel (short obj, short other)
void	MoveObjectAlongDirection (short obj, const FixedVector *direction, short distance)
void	ComputeObjectToPointDelta (short obj, FixedVector *point, FixedVector *delta)
void	ComputeObjectToObjectDelta (short obj, short other, FixedVector *delta)
void	NormalizeAndScaleVector (FixedVector *vector, int scale)
void	SetVectorFixedPoint (FixedVector *p, short v)
unsigned int	IsPointWithinRange (const FixedVector *from, const FixedVector *to, short range)
short	check_for_collision (short obj)
void	position_child (short parent, short hardpoint, FixedVector *position)
void	child_object (short hardpoint, short child, short parent)
short	get_ship_slot (void)
short	find_vacant_3d_object (void)
void	remove_object (short obj)
void	apply_force_to_objects_center (FixedVector *force, short obj)
void	apply_force_to_object (FixedVector *point, FixedVector *force, short obj)
void	rotational_acceleration (FixedVector *point, FixedVector *force, short obj)
void	ClampVectorTo30 (short *p)
void	ClampTo30 (short *p)
unsigned short	IsPointWithinEyeViewCone (const FixedVector *point)
void	transform_objects_to_your_view (void)
void	set_background_objects_rotation (short obj, FixedVector *direction)
void	get_right_shape (short obj, FixedVector *direction)

Variables
signed char	cCapitalShipLogicalFile
FixedVector	vNormalizedToTarget

Detailed Description

Vector, angle and fixed-point geometry, and ship speed and fuel limits.

Address range 418080-41a9cf. Text, packet, music and palette helpers open the range and get_right_shape closes it; the modal-panel block at 41a9d0 belongs with the barracks data and save/load routines.

Definition in file geom.c.

Function Documentation

AbsInt()

int AbsInt

(

int

v

)

Definition at line 217 of file geom.c.

References AbsInt().

Referenced by AbsInt(), and control_speed().

AddFixedVectors()

void AddFixedVectors	(	const FixedVector *	left,
		const FixedVector *	right,
		FixedVector *	sum )

Definition at line 296 of file geom.c.

References AddFixedVectors(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by accelerate_and_move_object(), AddFixedVectors(), animate_object(), apply_force_to_object(), apply_force_to_objects_center(), approach(), auto_pilot_sequence(), chase_location(), compute_formation_destination(), Create_explosion_debris(), Create_ship_hit_debris(), DrawNavHazardMarker(), ejection_sequence(), find_squad_center(), fire(), fire_weapon(), get_front_spot(), get_rear_spot(), goto_formation(), init_formation_burst(), init_hazard(), init_ship(), launch_object(), locate_ship(), make_shard(), MoveObjectAlongDirection(), Msit_n_spin(), new_view(), object_collision(), onboard_explosion(), parse_view_script(), pop_flack(), position_relative(), random_radial(), real_crash_time(), servicetrack(), set_eye_direction_and_position(), set_sphere_point(), SetFleetOverviewView(), ShowCarrierLaunchSequence(), ShowGameOverScreen(), ShowTigerClawEscapeScene(), start_dust(), steer_away_from_object(), steer_away_from_predicted_object(), and update_star_field().

alter_pitch()

void alter_pitch	(	short	angle,
		short	obj )

Definition at line 619 of file geom.c.

References alter_pitch(), aShipFwdVec, aShipUpVector, fix_objects_ijk(), and rotate_about_i().

Referenced by alter_pitch(), ejection_sequence(), InitializeConstellationObject(), make_shard(), parse_view_script(), rotate_object(), set_background_objects_rotation(), and Set_up_ship_info().

alter_roll()

void alter_roll	(	short	angle,
		short	obj )

Definition at line 635 of file geom.c.

References alter_roll(), aShipRightVector, aShipUpVector, fix_objects_ijk(), and rotate_about_k().

Referenced by alter_roll(), InitializeConstellationObject(), parse_view_script(), rotate_object(), and Set_up_ship_info().

alter_yaw()

void alter_yaw	(	short	angle,
		short	obj )

Definition at line 627 of file geom.c.

References alter_yaw(), aShipFwdVec, aShipRightVector, fix_objects_ijk(), and rotate_about_j().

Referenced by alter_yaw(), CreateCannedSceneObject(), InitializeConstellationObject(), make_shard(), parse_view_script(), rotate_object(), set_background_objects_rotation(), Set_up_ship_info(), and ShowCarrierLaunchSequence().

apply_force_to_object()

void apply_force_to_object	(	FixedVector *	point,
		FixedVector *	force,
		short	obj )

Definition at line 1045 of file geom.c.

References AddFixedVectors(), aeObjectClass, anObjectRollRotationList, anObjectYawRotation, anObjPitchRot, apply_force_to_object(), aShipVelocity, asObjAfterburnerVelocities, asObjectCollisionRadius, awObjMassArray, check_for_lost_control(), ClampTo30(), DivideFixed(), MultiplyFixed(), OBJECT_CLASS_SHIP, PlanarMagnitude(), transform_to_objects_frame(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by apply_force_to_object(), and object_collision().

apply_force_to_objects_center()

void apply_force_to_objects_center	(	FixedVector *	force,
		short	obj )

Definition at line 1035 of file geom.c.

References AddFixedVectors(), apply_force_to_objects_center(), aShipVelocity, awObjMassArray, and divide_vector().

Referenced by apply_force_to_objects_center(), and explosion_shock_wave().

check_for_collision()

short check_for_collision

(

short

obj

)

Definition at line 922 of file geom.c.

References aeObjectClass, aShipPositionsArray, asObjectCollisionRadius, check_for_collision(), ComputeVectorDelta(), IsVectorWithinRange(), OBJECT_CLASS_PROJECTILE, OBJECT_CLASS_SHIP, SPACE_LAST_MOVING_OBJECT, and vCollisionDelta.

Referenced by check_for_collision(), and object_collision().

child_object()

void child_object	(	short	hardpoint,
		short	child,
		short	parent )

Definition at line 969 of file geom.c.

References acObjOwnersTable, aShipPositionsArray, child_object(), and position_child().

Referenced by child_object(), drop_mine(), and fire_weapon().

ChooseRandomSignedMagnitude()

short ChooseRandomSignedMagnitude	(	short	minimum,
		short	maximum,
		int	allowNegative )

Definition at line 338 of file geom.c.

References ChooseRandomSignedMagnitude(), and RandomInRange().

Referenced by ChooseRandomSignedMagnitude(), and MakeRandomVectorFixed().

ClampTo30()

void ClampTo30

(

short *

p

)

Definition at line 1150 of file geom.c.

References ClampTo30().

Referenced by apply_force_to_object(), ClampTo30(), and rotational_acceleration().

ClampVectorTo30()

void ClampVectorTo30

(

short *

p

)

Definition at line 1137 of file geom.c.

References ClampVectorTo30().

Referenced by ClampVectorTo30(), and rotate_object().

CollectActivePaletteIndices()

short __stdcall CollectActivePaletteIndices	(	Viewport *	viewport,
		unsigned char *	indices,
		short	capacity )

Definition at line 71 of file geom.c.

References AllocateTaggedMemory(), CollectActivePaletteIndices(), MarkActivePaletteEntries(), and ReleasePacketHandle().

Referenced by CollectActivePaletteIndices(), FadeViewportPaletteToColour(), and PanToScreen().

ComputeObjectToObjectDelta()

void ComputeObjectToObjectDelta	(	short	obj,
		short	other,
		FixedVector *	delta )

Definition at line 894 of file geom.c.

References aShipPositionsArray, ComputeObjectToObjectDelta(), and ComputeVectorDelta().

Referenced by ComputeObjectToObjectDelta().

ComputeObjectToPointDelta()

void ComputeObjectToPointDelta	(	short	obj,
		FixedVector *	point,
		FixedVector *	delta )

Definition at line 886 of file geom.c.

References aShipPositionsArray, ComputeObjectToPointDelta(), and ComputeVectorDelta().

Referenced by ComputeObjectToPointDelta().

ComputeVectorDelta()

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

Definition at line 314 of file geom.c.

References ComputeVectorDelta(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by accelerate_and_move_object(), auto_pilot_sequence(), check_for_collision(), ComputeObjectToObjectDelta(), ComputeObjectToPointDelta(), ComputeVectorDelta(), distance_between_points(), distance_from_point(), draw_nav_pointer(), explosion_shock_wave(), facing_to_object(), fire(), fire_weapon(), GetShipDistanceToNavPoint(), hemisphere(), init_formation_burst(), IsPointWithinEyeViewCone(), IsPointWithinRange(), new_view(), object_collision(), parse_view_script(), PlaySfxWaveFileByNumber(), point_at(), point_capital_ship_at_object(), point_ship_at_point(), real_crash_time(), send_at_point(), servicetrack(), set_eye_direction_and_position(), set_objective_range(), SetFleetOverviewView(), ships_within_range(), steer_away_from_object(), steer_away_from_predicted_object(), transform_objects_to_your_view(), update_objective_location(), and update_star_field().

ConvertFixedVectorToShortVector()

void ConvertFixedVectorToShortVector	(	const FixedVector *	source,
		ShortVector *	destination )

Definition at line 432 of file geom.c.

References ConvertFixedVectorToShortVector(), FixedVector::x, ShortVector::x, FixedVector::y, ShortVector::y, FixedVector::z, and ShortVector::z.

Referenced by ConvertFixedVectorToShortVector().

ConvertShortVectorToFixedVector()

void ConvertShortVectorToFixedVector	(	const ShortVector *	source,
		FixedVector *	destination )

Definition at line 421 of file geom.c.

References ConvertShortVectorToFixedVector(), FixedVector::x, ShortVector::x, FixedVector::y, ShortVector::y, FixedVector::z, and ShortVector::z.

Referenced by ConvertShortVectorToFixedVector().

ConvertSphericalToRectangular()

void ConvertSphericalToRectangular	(	const SphericalVector *	spherical,
		FixedVector *	rectangular )

Definition at line 405 of file geom.c.

References ConvertSphericalToRectangular(), CosFixed(), MultiplyFixed(), SphericalVector::pitch, SphericalVector::radius, SinFixed(), FixedVector::x, FixedVector::y, SphericalVector::yaw, and FixedVector::z.

Referenced by ConvertSphericalToRectangular().

copy_frame()

void copy_frame	(	short	source,
		short	destination )

Definition at line 585 of file geom.c.

References aShipFwdVec, aShipRightVector, aShipUpVector, and copy_frame().

Referenced by auto_pilot_sequence(), chase_location(), copy_frame(), drop_mine(), ejection_sequence(), fire_weapon(), generate_stars(), goto_formation(), new_view(), parse_view_script(), RunSpaceFlight(), set_eye_direction_and_position(), set_formation_position(), ShipExplosion(), ShowCarrierLaunchSequence(), try_far_spot(), and update_star_field().

damage_ion_drive()

void damage_ion_drive	(	short	ship,
		short	amount,
		short	maximum )

Definition at line 132 of file geom.c.

References acShipIonDriveDmg, damage_ion_drive(), and recalc_max_velocity().

Referenced by damage_ion_drive(), internal_damage(), repair_internal_damage(), and your_internal_damage().

distance_between_points()

short distance_between_points	(	const FixedVector *	from,
		const FixedVector *	to )

Definition at line 643 of file geom.c.

References ComputeVectorDelta(), distance_between_points(), FixedToShortSaturating(), and Vector_magnitude().

Referenced by auto_pilot_sequence(), distance_between_points(), and init_hazard().

distance_from_object()

short distance_from_object	(	short	obj,
		short	other )

Definition at line 667 of file geom.c.

References aShipPositionsArray, asObjectCollisionRadius, distance_from_object(), and distance_from_point().

Referenced by abandoned(), any_enemy(), approach_and_engage(), attacker_in_range(), auto_pilot_sequence(), build_target_list(), cleanup_objectives(), cruise_home(), defend_mission(), distance_from_object(), escort_mission(), FF_missile_intelligence(), imperial_formation(), in_danger(), mine_intelligence(), nearest_enemy_range(), rendezvous_mission(), report_kilrathi_rout(), return_to_buddy(), return_to_master(), run_away(), scan_for_enemy(), and select_target().

distance_from_point()

short distance_from_point	(	short	obj,
		const FixedVector *	point )

Definition at line 655 of file geom.c.

References aShipPositionsArray, asObjectCollisionRadius, ComputeVectorDelta(), distance_from_point(), FixedToShortSaturating(), Vector_magnitude(), and vToTgt.

Referenced by auto_pilot_sequence(), auto_pilot_valid(), cruise_home(), cruise_to_destination(), dist_from_home(), distance_from_object(), distance_from_point(), get_facing_range_from_point(), orbit_sphere(), and scan_for_enemy().

divide_vector()

void divide_vector	(	FixedVector *	vector,
		int	divisor,
		FixedVector *	result )

Definition at line 330 of file geom.c.

References divide_vector(), DivideFixed(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by apply_force_to_objects_center(), Create_explosion_debris(), divide_vector(), find_squad_center(), and set_eye_direction_and_position().

dot_product()

int dot_product	(	const FixedVector *	left,
		const FixedVector *	right )

Definition at line 441 of file geom.c.

References dot_product(), MultiplyFixed(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by accelerate_and_move_object(), dot_product(), facing_to_object(), get_facing_range_from_object(), get_facing_range_from_point(), get_right_shape(), inflict_damage(), match_roll_orientation(), servicetrack(), set_background_objects_rotation(), transform_to_objects_frame(), vector_angle(), and vector_length_in_dir().

drain_fuel()

void drain_fuel	(	short	ship,
		short	amount )

Definition at line 124 of file geom.c.

References anShipFuelsTable, drain_fuel(), and recalc_max_velocity().

Referenced by accelerate_and_move_object(), drain_fuel(), housekeep_power_plant_and_fuel(), internal_damage(), and your_internal_damage().

equ_vector()

int equ_vector	(	const FixedVector *	left,
		const FixedVector *	right )

Definition at line 267 of file geom.c.

References equ_vector(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by auto_pilot_sequence(), cruise_home(), cruise_to_destination(), and equ_vector().

facing_to_object()

short facing_to_object	(	short	obj,
		FixedVector *	point )

Definition at line 716 of file geom.c.

References aShipFwdVec, aShipPositionsArray, ComputeVectorDelta(), dot_product(), facing_to_object(), nFacingToTargetValue, and NormalizeFixedVector().

Referenced by facing_to_object(), and imperial_formation().

FillFixedVectorWithRandomComponents()

void FillFixedVectorWithRandomComponents	(	short	limit,
		FixedVector *	vector )

Definition at line 357 of file geom.c.

References FillFixedVectorWithRandomComponents(), and MakeRandomVectorFixed().

Referenced by animate_object(), Create_explosion_debris(), Create_ship_hit_debris(), FillFixedVectorWithRandomComponents(), random_radial(), and start_dust().

find_vacant_3d_object()

short find_vacant_3d_object

(

void

)

Definition at line 987 of file geom.c.

References aeObjectClass, asObjectScreenXList, find_vacant_3d_object(), and OBJECT_CLASS_NULL.

Referenced by animate_object(), Create_explosion_debris(), Create_ship_hit_debris(), CreateCannedSceneObject(), draw_nav_pointer(), ejection_sequence(), find_vacant_3d_object(), init_constellation(), make_hazard(), make_shard(), new_object(), onboard_explosion(), place_exhaust_on_ships(), ShipExplosion(), ShowTigerClawEscapeScene(), unwarp(), and warp().

fix_objects_ijk()

void fix_objects_ijk

(

short

obj

)

Definition at line 596 of file geom.c.

References aShipFwdVec, aShipRightVector, aShipUpVector, fix_objects_ijk(), NormalizeFixedVector(), and vector_cross_product().

Referenced by alter_pitch(), alter_roll(), alter_yaw(), fix_objects_ijk(), make_shard(), new_view(), parse_view_script(), point_at(), set_eye_direction_and_position(), and ShowGameOverScreen().

FixedToShortSaturating()

short FixedToShortSaturating

(

int

value

)

Definition at line 193 of file geom.c.

References FixedToShortSaturating().

Referenced by chase_location(), control_speed(), distance_between_points(), distance_from_point(), explosion_shock_wave(), FixedToShortSaturating(), GetShipDistanceToNavPoint(), GetVectorMagnitude(), goto_location(), real_crash_time(), real_velocity(), and update_objective_location().

get_facing_range_from_object()

void get_facing_range_from_object	(	short	obj,
		short	other )

Definition at line 691 of file geom.c.

References aShipFwdVec, aShipPositionsArray, asObjectCollisionRadius, dot_product(), get_facing_range_from_object(), get_facing_range_from_point(), negate_vector(), nTargetFacingValue, nTgtRange, and vNormalizedToTarget.

Referenced by cruise_to_destination(), FindEnemyAimingWithinRange(), fire(), get_facing_range_from_object(), heat_seeking_missile_intelligence(), house_keep_objects(), object_intelligence(), prepare_for_jump(), scan_for_enemy(), ship_vs_ship(), and target_locking().

get_facing_range_from_point()

void get_facing_range_from_point	(	short	obj,
		const FixedVector *	point )

Definition at line 676 of file geom.c.

References aShipFwdVec, asObjectCollisionRadius, distance_from_point(), dot_product(), get_facing_range_from_point(), nFacingToTargetValue, NormalizeFixedVector(), nTgtRange, vNormalizedToTarget, and vToTgt.

Referenced by chase_location(), get_facing_range_from_object(), get_facing_range_from_point(), goto_formation(), and ship_vs_point().

get_right_shape()

void get_right_shape	(	short	obj,
		FixedVector *	direction )

Definition at line 1341 of file geom.c.

References aapPacketReferences, acDirectionShapeFlip, acDirectionShapeFrame, aDirectionViewRightVector, aDirectionViewUpVectorArray, aeObjectClass, aeObjectTypeList, aObjectResourceSlotsArray, apObjShapeArray, ArcCos(), asCapitalShipViewFramesTable, aShipUpVector, asObjectFlipArray, asObjectViewFrames, asObjScreenAngles, cCapitalShipLogicalFile, DIRECTION_VIEW_COUNT, dot_product(), EYE_OBJECT, FetchDiskPacketRetrying(), get_right_shape(), GetScreenUpdateFlag(), IdentityWord(), initialize_view_buffer(), negate_vector(), NormalizeFixedVector(), OBJECT_CLASS_CAPITAL_SHIP, OBJECT_CLASS_MISSILE, OBJECT_TYPE_KILRATHI_BASE, OBJECT_TYPE_TURRET, SphericalVector::pitch, Viewport::pixels, rectangular_to_spherical(), rotate_about_i(), rotate_about_j(), stSpaceBufferViewport, transform_to_objects_frame(), FixedVector::x, FixedVector::y, SphericalVector::yaw, and FixedVector::z.

Referenced by get_right_shape(), and transform_objects_to_your_view().

get_ship_max_velocity()

short get_ship_max_velocity

(

short

obj

)

Definition at line 95 of file geom.c.

References acShipRating, aeObjectTypeList, aObjectTypeData, get_ship_max_velocity(), and ObjectTypeData::maximumVelocity.

Referenced by FF_missile_intelligence(), fire_afterburner(), fire_weapon(), get_ship_max_velocity(), heat_seeking_missile_intelligence(), object_intelligence(), and recalc_max_velocity().

get_ship_slot()

short get_ship_slot

(

void

)

Definition at line 976 of file geom.c.

References aeObjectClass, get_ship_slot(), nFreeShipSlot, and OBJECT_CLASS_NULL.

Referenced by get_ship_slot(), and initialize_ship().

GetMusicDriverPresent()

unsigned short GetMusicDriverPresent

(

short

mode

)

Definition at line 65 of file geom.c.

References GetMusicDriverPresent().

Referenced by GetMusicDriverPresent(), and LoadOriginFxDrivers().

GetShipAccelerationRate()

int GetShipAccelerationRate

(

short

ship

)

Definition at line 140 of file geom.c.

References ObjectTypeData::acceleration, acShipRating, aeObjectTypeList, aObjectTypeData, GetShipAccelerationRate(), and RATING_ACE_ICEMAN.

Referenced by accelerate_and_move_object(), approach_speed(), control_speed(), and GetShipAccelerationRate().

init_ijk()

void init_ijk

(

short

obj

)

Definition at line 568 of file geom.c.

References anObjectRollRotationList, anObjectYawRotation, anObjPitchRot, aShipFwdVec, aShipRightVector, aShipUpVector, init_ijk(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by CreateCannedSceneObject(), init_ijk(), initialize_scripted_view(), InitializeConstellationObject(), set_background_objects_rotation(), and set_objects_data().

intfract_sign()

int intfract_sign	(	int	sign,
		int	magnitude )

Definition at line 227 of file geom.c.

References intfract_sign().

Referenced by intfract_sign().

IsPairEqualityDifferentFromFlag()

int IsPairEqualityDifferentFromFlag

(

const unsigned int *

values

)

Definition at line 274 of file geom.c.

References IsPairEqualityDifferentFromFlag().

Referenced by IsPairEqualityDifferentFromFlag().

IsPointWithinEyeViewCone()

unsigned short IsPointWithinEyeViewCone

(

const FixedVector *

point

)

Definition at line 1161 of file geom.c.

References aShipPositionsArray, asObjectCollisionRadius, ComputeVectorDelta(), DivideFixed(), EYE_OBJECT, IsPointWithinEyeViewCone(), transform_to_objects_frame(), Vector_magnitude(), and FixedVector::z.

Referenced by IsPointWithinEyeViewCone().

IsPointWithinRange()

unsigned int IsPointWithinRange	(	const FixedVector *	from,
		const FixedVector *	to,
		short	range )

Definition at line 913 of file geom.c.

References ComputeVectorDelta(), IsPointWithinRange(), and IsVectorWithinRange().

Referenced by IsPointWithinRange(), kilrathi_near(), near_field(), ok_hazard_spot(), try_far_spot(), and within_field().

look_at()

void look_at

(

short

obj

)

Definition at line 166 of file geom.c.

References aShipPositionsArray, EYE_OBJECT, look_at(), and point_at().

Referenced by look_at(), new_view(), and set_eye_direction_and_position().

MakeRandomNormalizedVector()

void MakeRandomNormalizedVector

(

FixedVector *

vector

)

Definition at line 374 of file geom.c.

References MakeRandomNormalizedVector(), NormalizeFixedVector(), RandomInRange(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by MakeRandomNormalizedVector().

MakeRandomVectorFixed()

void MakeRandomVectorFixed	(	short	minimum,
		short	maximum,
		FixedVector *	vector )

Definition at line 349 of file geom.c.

References ChooseRandomSignedMagnitude(), MakeRandomVectorFixed(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by FillFixedVectorWithRandomComponents(), MakeRandomVectorFixed(), and onboard_explosion().

match_roll_orientation()

short match_roll_orientation	(	short	obj,
		short	reference )

Definition at line 730 of file geom.c.

References ArcCos(), aShipRightVector, aShipUpVector, dot_product(), match_roll_orientation(), NormalizeFixedVector(), WrapDegrees(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by chase_location(), goto_formation(), match_roll_orientation(), and set_eye_direction_and_position().

MaxInt()

int MaxInt	(	int	a,
		int	b )

Definition at line 210 of file geom.c.

References MaxInt().

Referenced by MaxInt(), and object_collision().

MeasureTextPixelWidthClamped()

short __stdcall MeasureTextPixelWidthClamped

(

const char *

text

)

Definition at line 18 of file geom.c.

References GetFontCharWidth(), and MeasureTextPixelWidthClamped().

Referenced by EraseLastTextInputCharacter(), InitializeDiskPromptTextContext(), MeasureTextPixelWidthClamped(), PromptForTextInput(), ReadTextInput(), ShowModalTextPanel(), and ShowTrainSimHighScores().

MinInt()

int MinInt	(	int	a,
		int	b )

Definition at line 203 of file geom.c.

References MinInt().

Referenced by accelerate_and_move_object(), MinInt(), and object_collision().

MoveObjectAlongDirection()

void MoveObjectAlongDirection	(	short	obj,
		const FixedVector *	direction,
		short	distance )

Definition at line 873 of file geom.c.

References AddFixedVectors(), aShipPositionsArray, MoveObjectAlongDirection(), and SetVectorFixedPoint().

Referenced by MoveObjectAlongDirection().

negate_vector()

void negate_vector

(

FixedVector *

vector

)

Definition at line 288 of file geom.c.

References negate_vector(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by ejection_sequence(), get_facing_range_from_object(), get_right_shape(), negate_vector(), new_view(), object_collision(), set_background_objects_rotation(), set_eye_direction_and_position(), and skew_randomly().

NormalizeAndScaleVector()

void NormalizeAndScaleVector	(	FixedVector *	vector,
		int	scale )

Definition at line 900 of file geom.c.

References NormalizeAndScaleVector(), NormalizeFixedVector(), and ScaleFixedVector().

Referenced by accelerate_and_move_object(), NormalizeAndScaleVector(), and SetVectorFixedPoint().

NormalizeFixedVector()

short NormalizeFixedVector

(

FixedVector *

vector

)

Definition at line 471 of file geom.c.

References DivideFixed(), NormalizeFixedVector(), Vector_magnitude(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by auto_pilot_sequence(), explosion_shock_wave(), facing_to_object(), fix_objects_ijk(), get_facing_range_from_point(), get_right_shape(), launch_object(), MakeRandomNormalizedVector(), match_roll_orientation(), new_view(), NormalizeAndScaleVector(), NormalizeFixedVector(), object_collision(), position_relative(), set_background_objects_rotation(), set_eye_direction_and_position(), vector_angle(), and vector_length_in_dir().

point_at()

void point_at	(	short	obj,
		FixedVector	point )

Definition at line 152 of file geom.c.

References aShipFwdVec, aShipPositionsArray, ComputeVectorDelta(), fix_objects_ijk(), point_at(), shrink(), shrink_vector(), and void().

Referenced by approach(), auto_pilot_sequence(), fire_weapon(), init_hazard(), look_at(), point_at(), and SetFleetOverviewView().

point_capital_ship_at_object()

void point_capital_ship_at_object	(	short	obj,
		short	other )

Definition at line 818 of file geom.c.

References aShipPositionsArray, ComputeVectorDelta(), point_capital_ship_at_object(), and point_ship().

Referenced by point_capital_ship_at_object(), and tanker_intelligence().

point_parallel()

void point_parallel	(	short	obj,
		short	other )

Definition at line 866 of file geom.c.

References aShipFwdVec, point_parallel(), and point_ship().

Referenced by coming_home(), escort_buddy(), goto_formation(), point_parallel(), and return_to_buddy().

point_perpendicular()

void point_perpendicular	(	short	obj,
		short	other )

Definition at line 860 of file geom.c.

References aShipPositionsArray, point_perpendicular(), and point_perpendicular_to_point().

Referenced by defend_mission(), point_perpendicular(), and return_to_master().

point_perpendicular_to_point()

void point_perpendicular_to_point	(	short	obj,
		const FixedVector *	point )

Definition at line 850 of file geom.c.

References anYawTarget, point_perpendicular_to_point(), and point_ship_at_point().

Referenced by orbit_sphere(), point_perpendicular(), and point_perpendicular_to_point().

point_ship()

void point_ship	(	short	obj,
		short	turnRate,
		const FixedVector *	direction )

Definition at line 793 of file geom.c.

References acShipPointingModeList, anPitchGoal, anYawTarget, point_ship(), and set_ship_rotation_goals().

Referenced by chase_location(), FF_missile_intelligence(), formation_burst(), goto_formation(), heat_seeking_missile_intelligence(), object_intelligence(), point_capital_ship_at_object(), point_parallel(), point_ship(), point_ship_at_point(), run_away(), and ShipAiState35().

point_ship_at_object()

void point_ship_at_object	(	short	obj,
		short	other )

Definition at line 812 of file geom.c.

References aShipPositionsArray, point_ship_at_object(), and point_ship_at_point().

Referenced by imperial_formation(), Mkill_missile(), Mram_missile(), Msit_n_fire(), Msit_n_spin(), Mstrafe_enemy(), Msuicide_run(), Mtail_fire(), Mtarget_missile(), Mtry2tail(), Mturn_n_spin(), patrol_area(), point_ship_at_object(), rendezvous_mission(), return_to_buddy(), and streak_toward().

point_ship_at_point()

void point_ship_at_point	(	short	obj,
		const FixedVector *	point )

Definition at line 802 of file geom.c.

References aShipPositionsArray, ComputeVectorDelta(), point_ship(), and point_ship_at_point().

Referenced by cruise_home(), cruise_to_destination(), goto_location(), Mline_up_drop(), Msit_n_spin(), orbit_sphere(), patrol_area(), point_perpendicular_to_point(), point_ship_at_object(), point_ship_at_point(), point_ship_behind_object(), and point_ship_below_object().

point_ship_behind_object()

void point_ship_behind_object	(	short	obj,
		short	other )

Definition at line 828 of file geom.c.

References aShipFwdVec, aShipPositionsArray, asObjectCollisionRadius, point_ship_at_point(), point_ship_behind_object(), and position_relative().

Referenced by Mzip_past(), and point_ship_behind_object().

point_ship_below_object()

void point_ship_below_object	(	short	obj,
		short	other )

Definition at line 839 of file geom.c.

References aShipPositionsArray, aShipUpVector, asObjectCollisionRadius, point_ship_at_point(), point_ship_below_object(), and position_relative().

Referenced by Mzip_past(), and point_ship_below_object().

position_child()

void position_child	(	short	parent,
		short	hardpoint,
		FixedVector *	position )

Definition at line 950 of file geom.c.

References aChildOffsets, aShipFwdVec, aShipPositionsArray, aShipRightVector, aShipUpVector, position_child(), FixedVector::x, ShortVector::x, FixedVector::y, ShortVector::y, FixedVector::z, and ShortVector::z.

Referenced by child_object(), fire_turrets(), and position_child().

position_relative()

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

Definition at line 172 of file geom.c.

References AddFixedVectors(), NormalizeFixedVector(), position_relative(), and ScaleFixedVector().

Referenced by offset_location(), point_ship_behind_object(), point_ship_below_object(), position_relative(), and position_relative_ijk().

position_relative_ijk()

void position_relative_ijk	(	FixedVector *	position,
		short	obj,
		short	right,
		short	up,
		short	forward )

Definition at line 183 of file geom.c.

References aShipFwdVec, aShipPositionsArray, aShipRightVector, aShipUpVector, position_relative(), and position_relative_ijk().

Referenced by auto_position(), new_view(), position_relative_ijk(), SetFleetOverviewView(), and try_far_spot().

random_radial()

void random_radial	(	const FixedVector *	center,
		short	radius,
		FixedVector *	position )

Definition at line 363 of file geom.c.

References AddFixedVectors(), FillFixedVectorWithRandomComponents(), random_radial(), and RandomBelowOrEqual().

Referenced by approve_xyz(), and random_radial().

recalc_max_velocity()

short recalc_max_velocity

(

short

ship

)

Definition at line 106 of file geom.c.

References acShipIonDriveDmg, anShipFuelsTable, asShipMaximumSpeedArray, celerate(), get_ship_max_velocity(), and recalc_max_velocity().

Referenced by damage_ion_drive(), drain_fuel(), recalc_max_velocity(), and set_objects_data().

rectangular_to_spherical()

void rectangular_to_spherical	(	const FixedVector *	rectangular,
		SphericalVector *	spherical )

Definition at line 383 of file geom.c.

References ArcCos(), DivideFixed(), SphericalVector::pitch, PlanarMagnitude(), SphericalVector::radius, rectangular_to_spherical(), Vector_magnitude(), FixedVector::x, FixedVector::y, SphericalVector::yaw, and FixedVector::z.

Referenced by draw_3d_scanner(), get_right_shape(), object_collision(), rectangular_to_spherical(), set_background_objects_rotation(), set_objective_range(), and set_ship_rotation_goals().

remove_object()

void remove_object

(

short

obj

)

Definition at line 1002 of file geom.c.

References abHazardObjects, acShipRating, acWingmanMessageStatesArray, aeObjectClass, aeShipManeuversTable, aeShipSide, apObjShapeArray, asCapitalShipViewFramesTable, asObjDistancesTable, asObjectScreenXList, clear_alert(), FreePacketAndClear(), MANEUVER_NONE, nNavPointerObject, nYourWingman, OBJECT_CLASS_CAPITAL_SHIP, OBJECT_CLASS_NULL, remove_object(), and SIDE_NEUTRAL.

Referenced by animate_shape(), auto_pilot_sequence(), Create_explosion_debris(), cruise_home(), free_ship(), FreeConstellationObject(), house_keep_objects(), object_collision(), remove_all_3d_objects(), remove_hazard(), remove_nav_point_objects(), remove_nav_pointer(), remove_object(), run_away(), and set_up_action_sphere().

rotate_about_i()

void rotate_about_i	(	short	angle,
		FixedVector *	j,
		FixedVector *	k )

Definition at line 508 of file geom.c.

References CosFixed(), MultiplyFixed(), rotate_about_i(), SinFixed(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by alter_pitch(), generate_stars(), get_right_shape(), HandleFleetOverviewInput(), initialize_direction_view_frame(), rotate_about_i(), try_far_spot(), and update_star_field().

rotate_about_j()

void rotate_about_j	(	short	angle,
		FixedVector *	i,
		FixedVector *	k )

Definition at line 528 of file geom.c.

References CosFixed(), MultiplyFixed(), rotate_about_j(), SinFixed(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by alter_yaw(), generate_stars(), get_right_shape(), HandleFleetOverviewInput(), initialize_direction_view_frame(), rotate_about_j(), try_far_spot(), and update_star_field().

rotate_about_k()

void rotate_about_k	(	short	angle,
		FixedVector *	i,
		FixedVector *	j )

Definition at line 548 of file geom.c.

References CosFixed(), MultiplyFixed(), rotate_about_k(), SinFixed(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by alter_roll(), and rotate_about_k().

rotational_acceleration()

void rotational_acceleration	(	FixedVector *	point,
		FixedVector *	force,
		short	obj )

Definition at line 1101 of file geom.c.

References aeObjectClass, anObjectRollRotationList, anObjectYawRotation, anObjPitchRot, asObjAfterburnerVelocities, asObjectCollisionRadius, check_for_lost_control(), ClampTo30(), DivideFixed(), MultiplyFixed(), OBJECT_CLASS_SHIP, rotational_acceleration(), transform_to_objects_frame(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by object_collision(), and rotational_acceleration().

ScaleFixedVector()

void ScaleFixedVector	(	const FixedVector *	vector,
		int	scale,
		FixedVector *	result )

Definition at line 322 of file geom.c.

References MultiplyFixed(), ScaleFixedVector(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by accelerate_and_move_object(), animate_object(), approach(), auto_pilot_sequence(), chase_location(), CreateCannedSceneObject(), ejection_sequence(), explosion_shock_wave(), fire(), fire_weapon(), fix_velocity(), generate_stars(), get_front_spot(), get_rear_spot(), init_formation_burst(), init_hazard(), InitializeConstellationObject(), launch_object(), match_ship_to_eye(), Msit_n_spin(), new_view(), NormalizeAndScaleVector(), object_collision(), parse_view_script(), position_relative(), real_crash_time(), ScaleFixedVector(), servicetrack(), set_eye_direction_and_position(), SetFleetOverviewView(), ShowGameOverScreen(), ShowTigerClawEscapeScene(), start_dust(), steer_away_from_predicted_object(), Title_Sequence(), update_star_field(), and vector_component_in_dir().

SeekPacketSection()

int __stdcall SeekPacketSection	(	PacketSectionHandle *	handle,
		int	offset,
		short	origin )

Definition at line 34 of file geom.c.

References PacketSectionHandle::dataOffset, PacketSectionHandle::dataSize, PacketSectionHandle::file, PacketSectionHandle::position, SeekDataFile(), and SeekPacketSection().

Referenced by DecompressPacketSection(), and SeekPacketSection().

set_background_objects_rotation()

void set_background_objects_rotation	(	short	obj,
		FixedVector *	direction )

Definition at line 1315 of file geom.c.

References alter_pitch(), alter_yaw(), ArcCos(), aShipRightVector, aShipUpVector, asObjScreenAngles, asObjScreenScalesArray, dot_product(), EYE_OBJECT, init_ijk(), negate_vector(), NormalizeFixedVector(), SphericalVector::pitch, rectangular_to_spherical(), set_background_objects_rotation(), FixedVector::x, FixedVector::y, SphericalVector::yaw, and FixedVector::z.

Referenced by set_background_objects_rotation(), and transform_objects_to_your_view().

set_ship_rotation_goals()

int set_ship_rotation_goals	(	short	obj,
		short	turnRate,
		const FixedVector *	direction,
		short	pointingMode,
		short *	yawGoal,
		short *	pitchGoal )

Definition at line 748 of file geom.c.

References ArcSin(), DivideFixed(), SphericalVector::pitch, PlanarMagnitude(), SphericalVector::radius, rectangular_to_spherical(), set_ship_rotation_goals(), transform_to_objects_frame(), Vector_magnitude(), WrapDegrees(), FixedVector::x, FixedVector::y, SphericalVector::yaw, and FixedVector::z.

Referenced by point_ship(), and set_ship_rotation_goals().

SetVectorFixedPoint()

void SetVectorFixedPoint	(	FixedVector *	p,
		short	v )

Definition at line 907 of file geom.c.

References NormalizeAndScaleVector(), and SetVectorFixedPoint().

Referenced by make_shard(), MoveObjectAlongDirection(), send_at_point(), set_eye_direction_and_position(), and SetVectorFixedPoint().

ship_vs_point()

void ship_vs_point	(	short	obj,
		const FixedVector *	point )

Definition at line 704 of file geom.c.

References get_facing_range_from_point(), and ship_vs_point().

Referenced by goto_location(), patrol_area(), prevent_collision(), and ship_vs_point().

ship_vs_ship()

void ship_vs_ship	(	short	obj,
		short	other )

Definition at line 710 of file geom.c.

References get_facing_range_from_object(), and ship_vs_ship().

Referenced by being_tailed(), fire_when_ready(), futurion_intelligence(), intelligence_events(), Mkill_missile(), Mstrafe_enemy(), patrol_area(), perform_maneuver(), and ship_vs_ship().

SignFixed()

unsigned int SignFixed

(

int

v

)

Definition at line 246 of file geom.c.

References SignFixed().

Referenced by approach_speed(), and SignFixed().

SignShort()

unsigned short SignShort

(

short

v

)

Definition at line 238 of file geom.c.

References SignShort().

Referenced by SignShort().

SinFixed()

long SinFixed

(

short

degrees

)

Definition at line 89 of file mathfp.c.

SubtractFixedVectors()

void SubtractFixedVectors	(	FixedVector *	left,
		FixedVector *	right,
		FixedVector *	difference )

Definition at line 305 of file geom.c.

References SubtractFixedVectors(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by auto_pilot_sequence(), init_hazard(), object_collision(), set_eye_direction_and_position(), and SubtractFixedVectors().

transform_objects_to_your_view()

void transform_objects_to_your_view

(

void

)

Definition at line 1186 of file geom.c.

References aeObjectClass, aObjectViewPositionsList, aShipPositionsArray, asObjDistancesTable, asObjectCollisionRadius, asObjectCounterArray, asObjectScreenXList, asObjectScreenYArray, asObjectViewFrames, asObjScreenAngles, asObjScreenScalesArray, asPreviousObjectDistance, awObjectScales, ComputeVectorDelta(), DivideFixed(), draw_nav_pointer(), EYE_OBJECT, get_right_shape(), MultiplyFixed(), nClosestVisibleObject, nCurrentSpaceFrameValue, nNavPointerObject, nScreenWidth, OBJECT_CLASS_ASTEROID, OBJECT_CLASS_CAPITAL_SHIP, OBJECT_CLASS_DEBRIS, OBJECT_CLASS_DUST, OBJECT_CLASS_EXPLOSION, OBJECT_CLASS_FIXED_OBJECT, OBJECT_CLASS_FUTURION, OBJECT_CLASS_MISSILE, OBJECT_CLASS_NULL, OBJECT_CLASS_PLANET, OBJECT_CLASS_SHIP, OBJECT_CLASS_STAR, set_background_objects_rotation(), SPACE_LAST_MOVING_OBJECT, transform_objects_to_your_view(), transform_to_objects_frame(), and Vector_magnitude().

Referenced by Draw_3Space_Frame(), ShowCarrierLaunchSequence(), and transform_objects_to_your_view().

transform_to_objects_frame()

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

Definition at line 610 of file geom.c.

References aShipFwdVec, aShipRightVector, aShipUpVector, dot_product(), transform_to_objects_frame(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by apply_force_to_object(), draw_nav_pointer(), get_right_shape(), IsPointWithinEyeViewCone(), rotational_acceleration(), set_objective_range(), set_ship_rotation_goals(), steer_away_from_object(), steer_away_from_predicted_object(), transform_objects_to_your_view(), transform_to_objects_frame(), and update_star_field().

vector_angle()

short vector_angle	(	FixedVector	left,
		FixedVector	right )

Definition at line 451 of file geom.c.

References dot_product(), NormalizeFixedVector(), and vector_angle().

Referenced by fire(), hemisphere(), and vector_angle().

vector_component_in_dir()

void vector_component_in_dir	(	const FixedVector *	vector,
		const FixedVector *	direction,
		FixedVector *	component )

Definition at line 497 of file geom.c.

References ScaleFixedVector(), vector_component_in_dir(), and vector_length_in_dir().

Referenced by fire_weapon(), house_keep_objects(), launch_object(), object_collision(), and vector_component_in_dir().

vector_cross_product()

void vector_cross_product	(	const FixedVector *	left,
		const FixedVector *	right,
		FixedVector *	product )

Definition at line 459 of file geom.c.

References MultiplyFixed(), vector_cross_product(), FixedVector::x, FixedVector::y, and FixedVector::z.

Referenced by fix_objects_ijk(), and vector_cross_product().

vector_length_in_dir()

int vector_length_in_dir	(	const FixedVector *	vector,
		const FixedVector *	direction )

Definition at line 485 of file geom.c.

References dot_product(), MultiplyFixed(), NormalizeFixedVector(), vector_length_in_dir(), and Vector_magnitude().

Referenced by vector_component_in_dir(), and vector_length_in_dir().

WrapDegrees()

short WrapDegrees

(

short

degrees

)

Definition at line 255 of file geom.c.

References WrapDegrees().

Referenced by match_roll_orientation(), set_ship_rotation_goals(), and WrapDegrees().

zero_vector()

void zero_vector

(

FixedVector *

vector

)

Definition at line 280 of file geom.c.

References FixedVector::x, FixedVector::y, FixedVector::z, and zero_vector().

Referenced by accelerate_and_move_object(), animate_object(), auto_pilot_sequence(), cruise_home(), find_squad_center(), initialize_object(), initialize_scripted_view(), locate_ship(), new_view(), object_collision(), RenderSpaceViewFrame(), run_away(), set_eye_direction_and_position(), Set_up_ship_info(), SetFleetOverviewView(), ShowGameOverScreen(), ShowTigerClawEscapeScene(), and zero_vector().

Variable Documentation

cCapitalShipLogicalFile

signed char cCapitalShipLogicalFile

Definition at line 14 of file geom.c.

Referenced by get_right_shape().

vNormalizedToTarget

FixedVector vNormalizedToTarget

Definition at line 15 of file geom.c.

Referenced by get_facing_range_from_object(), and get_facing_range_from_point().