collision.c File Reference

#include <ultra64.h>
#include <macros.h>
#include <PR/gbi.h>
#include <mk64.h>
#include <common_structs.h>
#include <actor_types.h>
#include "main.h"
#include "memory.h"
#include "collision.h"
#include "math_util.h"
#include "variables.h"
#include "code_800029B0.h"

Include dependency graph for collision.c:

Functions
void	nullify_displaylist (uintptr_t addr)
void	func_802AAAAC (Collision *collision)
f32	func_802AAB4C (Player *player)
s32	func_802AAE4C (Collision *collision, f32 boundingBoxSize, f32 posX, f32 posY, f32 posZ, u16 index)
s32	func_802AB288 (Collision *collision, f32 boundingBoxSize, f32 posX, f32 posY, f32 posZ, u16 index)
s32	func_802AB6C4 (Collision *collision, f32 boundingBoxSize, f32 posX, f32 posY, f32 posZ, u16 index)
s32	func_802ABB04 (f32 posX, f32 posZ, u16 index)
s8	get_surface_type (u16 index)
s16	func_802ABD40 (u16 index)
s16	func_802ABD7C (u16 index)
s16	func_802ABDB8 (u16 index)
s16	func_802ABDF4 (u16 index)
f32	func_802ABE30 (f32 x, f32 y, f32 z, u16 index)
f32	func_802ABEAC (Collision *collision, Vec3f pos)
void	process_shell_collision (Vec3f pos, UNUSED f32 boundingBoxSize, Vec3f velocity, UNUSED f32 unk)
void	shell_collision (Collision *collision, Vec3f velocity)
void	func_802AC114 (Vec3f pos1, f32 boundingBoxSize, Vec3f pos2, UNUSED f32 unk)
s32	is_colliding_with_drivable_surface (Collision *collision, f32 boundingBoxSize, f32 x1, f32 y1, f32 z1, u16 index, f32 posX, f32 posY, f32 posZ)
s32	is_colliding_with_wall2 (Collision *arg, f32 boundingBoxSize, f32 x1, f32 y1, f32 z1, u16 arg5, f32 arg6, f32 arg7, f32 arg8)
s32	is_colliding_with_wall1 (Collision *arg, f32 boundingBoxSize, f32 x1, f32 y1, f32 z1, u16 arg5, f32 arg6, f32 arg7, f32 arg8)
u16	func_802AD950 (Collision *collision, f32 boundingBoxSize, f32 x1, f32 y1, f32 z1, f32 x2, f32 y2, f32 z2)
u16	func_802ADDC8 (Collision *collision, f32 boundingBoxSize, f32 posX, f32 posY, f32 posZ)
f32	func_802AE1C0 (f32 posX, f32 posY, f32 posZ)
void	func_802AE434 (Vtx *vtx1, Vtx *vtx2, Vtx *vtx3, s8 surfaceType, u16 sectionId)
void	set_vtx_from_triangle (u32 triangle, s8 surfaceType, u16 sectionId)
void	set_vtx_from_tri2 (u32 triangle1, u32 triangle2, s8 surfaceType, u16 sectionId)
void	set_vtx_from_quadrangle (u32 line, s8 surfaceType, u16 sectionId)
void	set_vtx_buffer (uintptr_t addr, u32 numVertices, u32 bufferIndex)
s32	is_line_intersecting_rectangle (s16 minX, s16 maxX, s16 minZ, s16 maxZ, s16 x1, s16 z1, s16 x2, s16 z2)
s32	is_triangle_intersecting_bounding_box (s16 minX, s16 maxX, s16 minZ, s16 maxZ, u16 index)
void	func_802AF314 (void)
void	set_vertex_data_with_defaults (Gfx *gfx)
void	set_vertex_data_with_default_section_id (Gfx *gfx, s8 surfaceType)
void	find_and_set_vertex_data (Gfx *addr, s8 surfaceType, u16 sectionId)
void	find_and_set_tile_size (uintptr_t addr, s32 uls, s32 ult)
void	set_vertex_colours (uintptr_t addr, u32 vertexCount, UNUSED s32 vert3, s8 alpha, u8 red, u8 green, u8 blue)
void	find_vtx_and_set_colours (uintptr_t displayList, s8 alpha, u8 red, u8 green, u8 blue)
void	subtract_scaled_vector (Vec3f pos1, f32 boundingBoxSize, Vec3f pos2)
u16	process_collision (Player *player, KartBoundingBoxCorner *corner, f32 cornerPosX, f32 cornerPosY, f32 cornerPosZ)

Variables
u8	D_8014F1110
u32	D_8015F58C

Function Documentation

find_and_set_tile_size()

void find_and_set_tile_size	(	uintptr_t	addr,
		s32	uls,
		s32	ult
	)

Search for G_SETTILESIZE and set its args.

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find_and_set_vertex_data()

void find_and_set_vertex_data	(	Gfx *	addr,
		s8	surfaceType,
		u16	sectionId
	)

Recursive search and set for vertex data

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find_vtx_and_set_colours()

void find_vtx_and_set_colours	(	uintptr_t	displayList,
		s8	alpha,
		u8	red,
		u8	green,
		u8	blue
	)

Recursive search for vertices and set their colour values.

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func_802AAAAC()

void func_802AAAAC

(

Collision *

collision

)

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func_802AAB4C()

f32 func_802AAB4C

(

Player *

player

)

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func_802AAE4C()

s32 func_802AAE4C	(	Collision *	collision,
		f32	boundingBoxSize,
		f32	posX,
		f32	posY,
		f32	posZ,
		u16	index
	)

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func_802AB288()

s32 func_802AB288	(	Collision *	collision,
		f32	boundingBoxSize,
		f32	posX,
		f32	posY,
		f32	posZ,
		u16	index
	)

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func_802AB6C4()

s32 func_802AB6C4	(	Collision *	collision,
		f32	boundingBoxSize,
		f32	posX,
		f32	posY,
		f32	posZ,
		u16	index
	)

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func_802ABB04()

s32 func_802ABB04	(	f32	posX,
		f32	posZ,
		u16	index
	)

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func_802ABD40()

s16 func_802ABD40

(

u16

index

)

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func_802ABD7C()

s16 func_802ABD7C

(

u16

index

)

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func_802ABDB8()

s16 func_802ABDB8

(

u16

index

)

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func_802ABDF4()

s16 func_802ABDF4

(

u16

index

)

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func_802ABE30()

f32 func_802ABE30	(	f32	x,
		f32	y,
		f32	z,
		u16	index
	)

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func_802ABEAC()

f32 func_802ABEAC	(	Collision *	collision,
		Vec3f	pos
	)

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func_802AC114()

void func_802AC114	(	Vec3f	pos1,
		f32	boundingBoxSize,
		Vec3f	pos2,
		UNUSED f32	unk
	)

Adjusts the position of pos2 based on pos1 but in the orthogonal direction to pos2.

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func_802AD950()

u16 func_802AD950	(	Collision *	collision,
		f32	boundingBoxSize,
		f32	x1,
		f32	y1,
		f32	z1,
		f32	x2,
		f32	y2,
		f32	z2
	)

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func_802ADDC8()

u16 func_802ADDC8	(	Collision *	collision,
		f32	boundingBoxSize,
		f32	posX,
		f32	posY,
		f32	posZ
	)

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func_802AE1C0()

f32 func_802AE1C0	(	f32	posX,
		f32	posY,
		f32	posZ
	)

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func_802AE434()

void func_802AE434	(	Vtx *	vtx1,
		Vtx *	vtx2,
		Vtx *	vtx3,
		s8	surfaceType,
		u16	sectionId
	)

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func_802AF314()

void func_802AF314

(

void

)

Appears to initialize some variables and struct members after course displaylists have been parsed.

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get_surface_type()

s8 get_surface_type

(

u16

index

)

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is_colliding_with_drivable_surface()

s32 is_colliding_with_drivable_surface	(	Collision *	collision,
		f32	boundingBoxSize,
		f32	x1,
		f32	y1,
		f32	z1,
		u16	index,
		f32	posX,
		f32	posY,
		f32	posZ
	)

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is_colliding_with_wall1()

s32 is_colliding_with_wall1	(	Collision *	arg,
		f32	boundingBoxSize,
		f32	x1,
		f32	y1,
		f32	z1,
		u16	arg5,
		f32	arg6,
		f32	arg7,
		f32	arg8
	)

This is actually more like colliding with face X/Y/Z

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is_colliding_with_wall2()

s32 is_colliding_with_wall2	(	Collision *	arg,
		f32	boundingBoxSize,
		f32	x1,
		f32	y1,
		f32	z1,
		u16	arg5,
		f32	arg6,
		f32	arg7,
		f32	arg8
	)

Wall collision

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is_line_intersecting_rectangle()

s32 is_line_intersecting_rectangle	(	s16	minX,
		s16	maxX,
		s16	minZ,
		s16	maxZ,
		s16	x1,
		s16	z1,
		s16	x2,
		s16	z2
	)

Returns

1 intersecting triangle, 0 not intersecting.

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is_triangle_intersecting_bounding_box()

s32 is_triangle_intersecting_bounding_box	(	s16	minX,
		s16	maxX,
		s16	minZ,
		s16	maxZ,
		u16	index
	)

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nullify_displaylist()

void nullify_displaylist

(

uintptr_t

addr

)

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process_collision()

u16 process_collision	(	Player *	player,
		KartBoundingBoxCorner *	corner,
		f32	cornerPosX,
		f32	cornerPosY,
		f32	cornerPosZ
	)

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process_shell_collision()

void process_shell_collision	(	Vec3f	pos,
		UNUSED f32	boundingBoxSize,
		Vec3f	velocity,
		UNUSED f32	unk
	)

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set_vertex_colours()

void set_vertex_colours	(	uintptr_t	addr,
		u32	vertexCount,
		UNUSED s32	vert3,
		s8	alpha,
		u8	red,
		u8	green,
		u8	blue
	)

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set_vertex_data_with_default_section_id()

void set_vertex_data_with_default_section_id	(	Gfx *	gfx,
		s8	surfaceType
	)

Recursive search for vtx and set sectionId's to 0xFF

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set_vertex_data_with_defaults()

void set_vertex_data_with_defaults

(

Gfx *

gfx

)

Recursive search for vtx and set surfaceTypes to -1 and sectionId's to 0xFF

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set_vtx_buffer()

void set_vtx_buffer	(	uintptr_t	addr,
		u32	numVertices,
		u32	bufferIndex
	)

Generates a list of pointers to course vtx.

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set_vtx_from_quadrangle()

void set_vtx_from_quadrangle	(	u32	line,
		s8	surfaceType,
		u16	sectionId
	)

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set_vtx_from_tri2()

void set_vtx_from_tri2	(	u32	triangle1,
		u32	triangle2,
		s8	surfaceType,
		u16	sectionId
	)

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set_vtx_from_triangle()

void set_vtx_from_triangle	(	u32	triangle,
		s8	surfaceType,
		u16	sectionId
	)

Triangle contains three indices that are used to get the actual vertices.

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shell_collision()

void shell_collision	(	Collision *	collision,
		Vec3f	velocity
	)

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subtract_scaled_vector()

void subtract_scaled_vector	(	Vec3f	pos1,
		f32	boundingBoxSize,
		Vec3f	pos2
	)

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Variable Documentation

D_8014F1110

u8 D_8014F1110

extern

D_8015F58C

u32 D_8015F58C

extern