path_utils.inc.c File Reference

#include <ultra64.h>
#include <macros.h>
#include <defines.h>
#include <path.h>
#include <course.h>
#include "main.h"
#include "cpu_vehicles_camera_path.h"

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Functions
bool	are_in_curve (UNUSED s32 arg0, u16 pathPointIndex)
bool	is_far_from_path (s32 playerIndex)
f32	calculate_track_position_factor (f32 posX, f32 posZ, u16 pathPointIndex, s32 pathIndex)
void	update_player_position_factor (s32 playerId, u16 pathPointIndex, s32 pathIndex)
void	calculate_track_offset_position (u16 pathPointIndex, f32 lerpFactor, f32 offsetDistance, s16 pathIndex)
void	set_track_offset_position (u16 pathPointIndex, f32 trackOffset, s16 pathIndex)
s16	func_8000BD94 (f32 posX, f32 posY, f32 posZ, s32 pathIndex)
s16	find_closest_pathPoint_track_section (f32 posX, f32 posY, f32 posZ, u16 trackSectionId, s32 *pathIndex)
s16	update_path_index_with_track (f32 posX, f32 posY, f32 posZ, s16 pathPointIndex, s32 pathIndex, u16 trackSectionId)
s16	update_path_index (f32 posX, f32 posY, f32 posZ, s16 pathPointIndex, s32 pathIndex)
void	tweak_path_index_wario_stadium (UNUSED f32 posX, f32 posY, UNUSED f32 posZ, s16 *pathPointIndex, UNUSED s32 arg4)
void	adjust_path_at_start_line (UNUSED f32 posX, UNUSED f32 posY, f32 posZ, s16 *pathPointIndex, s32 pathIndex)
s16	update_path_index_track_section (f32 posX, f32 posY, f32 posZ, Player *player, s32 playerId, s32 *pathIndex)
s16	update_player_path (f32 posX, f32 posY, f32 posZ, s16 pathPointIndex, Player *player, s32 playerId, s32 pathIndex)
s16	find_closest_vehicles_pathPoint (f32 xPos, UNUSED f32 yPos, f32 zPos, s16 pathPointIndex)
s16	func_8000D24C (f32 posX, f32 posY, f32 posZ, s32 *pathIndex)
s16	func_8000D2B4 (f32 posX, f32 posY, f32 posZ, s16 pathPointIndex, s32 pathIndex)
s16	func_8000D33C (f32 posX, f32 posY, f32 posZ, s16 pathPointIndex, s32 pathIndex)
f32	cpu_track_position_factor (s32 playerId)
void	determine_ideal_cpu_position_offset (s32 playerId, u16 pathPoint)
s16	func_8000D6D0 (Vec3f position, s16 *pathPointIndex, f32 speed, f32 arg3, s16 pathIndex, s16 arg5)
s16	func_8000D940 (Vec3f pos, s16 *pathPointIndex, f32 speed, f32 arg3, s16 pathIndex)
s16	update_vehicle_following_path (Vec3f pos, s16 *pathPointIndex, f32 speed)

Function Documentation

adjust_path_at_start_line()

void adjust_path_at_start_line	(	UNUSED f32	posX,
		UNUSED f32	posY,
		f32	posZ,
		s16 *	pathPointIndex,
		s32	pathIndex )

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are_in_curve()

bool are_in_curve	(	UNUSED s32	arg0,
		u16	pathPointIndex )

calculate_track_offset_position()

void calculate_track_offset_position	(	u16	pathPointIndex,
		f32	lerpFactor,
		f32	offsetDistance,
		s16	pathIndex )

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calculate_track_position_factor()

f32 calculate_track_position_factor	(	f32	posX,
		f32	posZ,
		u16	pathPointIndex,
		s32	pathIndex )

Calculates a factor representing where the player is positioned between left and right track boundaries Returns a value between -1.0 and 1.0: -1.0 = On the left boundary 0.0 = In the middle of the track 1.0 = On the right boundary

Parameters

posX	Player's X position
posZ	Player's Z position
pathPointIndex	Current pathPoint index
pathIndex	Current path/track index

Returns

Position factor between track boundaries

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cpu_track_position_factor()

f32 cpu_track_position_factor

(

s32

playerId

)

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determine_ideal_cpu_position_offset()

void determine_ideal_cpu_position_offset	(	s32	playerId,
		u16	pathPoint )

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find_closest_pathPoint_track_section()

s16 find_closest_pathPoint_track_section	(	f32	posX,
		f32	posY,
		f32	posZ,
		u16	trackSectionId,
		s32 *	pathIndex )

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find_closest_vehicles_pathPoint()

s16 find_closest_vehicles_pathPoint	(	f32	xPos,
		UNUSED f32	yPos,
		f32	zPos,
		s16	pathPointIndex )

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func_8000BD94()

s16 func_8000BD94	(	f32	posX,
		f32	posY,
		f32	posZ,
		s32	pathIndex )

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func_8000D24C()

s16 func_8000D24C	(	f32	posX,
		f32	posY,
		f32	posZ,
		s32 *	pathIndex )

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func_8000D2B4()

s16 func_8000D2B4	(	f32	posX,
		f32	posY,
		f32	posZ,
		s16	pathPointIndex,
		s32	pathIndex )

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func_8000D33C()

s16 func_8000D33C	(	f32	posX,
		f32	posY,
		f32	posZ,
		s16	pathPointIndex,
		s32	pathIndex )

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func_8000D6D0()

s16 func_8000D6D0	(	Vec3f	position,
		s16 *	pathPointIndex,
		f32	speed,
		f32	arg3,
		s16	pathIndex,
		s16	arg5 )

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func_8000D940()

s16 func_8000D940	(	Vec3f	pos,
		s16 *	pathPointIndex,
		f32	speed,
		f32	arg3,
		s16	pathIndex )

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is_far_from_path()

bool is_far_from_path

(

s32

playerIndex

)

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set_track_offset_position()

void set_track_offset_position	(	u16	pathPointIndex,
		f32	trackOffset,
		s16	pathIndex )

Calculates an interpolated position between left and right track paths.

Parameters

currentPathPoint	Index of the current pathPoint
trackOffset	Value between 0.0 and 1.0 determining position between left (0.0) and right (1.0) path
pathIndex	Index of the track/path segment

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tweak_path_index_wario_stadium()

void tweak_path_index_wario_stadium	(	UNUSED f32	posX,
		f32	posY,
		UNUSED f32	posZ,
		s16 *	pathPointIndex,
		UNUSED s32	arg4 )

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update_path_index()

s16 update_path_index	(	f32	posX,
		f32	posY,
		f32	posZ,
		s16	pathPointIndex,
		s32	pathIndex )

Tries to find the pathPoint nearest to (posX, posY, posZ) Only considers path within 400 units of (posX, posY, posZ) Looks 3 path behind and 6 path ahead of pathPointIndex

This fake match is done to stop the compiler from optimzing out considerPathPoint. Maybe if no pathPoint was found some debugging info was printed out, but come production time they removed the debug printing but not the loop?

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update_path_index_track_section()

s16 update_path_index_track_section	(	f32	posX,
		f32	posY,
		f32	posZ,
		Player *	player,
		s32	playerId,
		s32 *	pathIndex )

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update_path_index_with_track()

s16 update_path_index_with_track	(	f32	posX,
		f32	posY,
		f32	posZ,
		s16	pathPointIndex,
		s32	pathIndex,
		u16	trackSectionId )

Tries to find the pathPoint nearest to (posX, posY, posZ) Only consider path in the same segment as trackSectionId Only considers path within 500 units of(posX, posY, posZ) Looks 3 path behind and 6 path ahead of pathPointIndex

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update_player_path()

s16 update_player_path	(	f32	posX,
		f32	posY,
		f32	posZ,
		s16	pathPointIndex,
		Player *	player,
		s32	playerId,
		s32	pathIndex )

Updates and validates a player's pathPoint position on the track Handles different logic for human players vs AI, and includes recovery mechanisms

Parameters

posX	Current X position
posY	Current Y position
posZ	Current Z position
pathPointIndex	Current pathPoint index
player	Pointer to player structure
playerId	Player's ID
pathIndex	Current track path index

Returns

New pathPoint index or -1 if invalid

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update_player_position_factor()

void update_player_position_factor	(	s32	playerId,
		u16	pathPointIndex,
		s32	pathIndex )

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update_vehicle_following_path()

s16 update_vehicle_following_path	(	Vec3f	pos,
		s16 *	pathPointIndex,
		f32	speed )

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