mirror of https://github.com/n64decomp/mk64.git
74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
#ifndef SPLINE_H
|
|
#define SPLINE_H
|
|
|
|
#include <common_structs.h>
|
|
|
|
/*
|
|
These are some very good videos about splines/Bezier curves in general
|
|
|
|
The Beauty of Bezier Curves
|
|
https://www.youtube.com/watch?v=aVwxzDHniEw
|
|
|
|
The Continuity of Splines
|
|
https://www.youtube.com/watch?v=jvPPXbo87ds
|
|
*/
|
|
|
|
/*
|
|
This stuff is all about the b-splines used objects like Lakitu and the Boos on Banshee Boardwalk
|
|
For splines used during the award ceremony and credits, see src/ending/ceremony_and_credits.h
|
|
*/
|
|
|
|
typedef struct SplineControlPoint {
|
|
/* 0x0 */ Vec3s pos;
|
|
// Don't really know what to call this member.
|
|
// It somehow controls the speed of travel along a segment of the spline but I don't really get how it works
|
|
/* 0x6 */ s16 velocity;
|
|
} SplineControlPoint; // size = 0x8
|
|
|
|
// WARNING!!!
|
|
// You really, really shouldn't use this type for actual spline data. This is intended as a generic SplineData
|
|
// type. I would use a union, but that would cause significant ugliness elsewhere in the codebase
|
|
typedef struct SplineData {
|
|
// This name is a little misleading
|
|
// The control point arrays have more control points in them than this number indicates. Not sure why though.
|
|
s16 numControlPoints;
|
|
// This has to be an array for this to work, so just make it size 1
|
|
SplineControlPoint controlPoints[];
|
|
} SplineData;
|
|
|
|
// All other SplineDataXX types are for use as data only. The size of the array in them matters a lot.
|
|
// But object structs should never have members with these types, just use the plain SplineData type
|
|
|
|
// Ghosts in BansheeBoardwalk x 2
|
|
// Seagulls in KoopaTroopaBeach x 2
|
|
// Penguins in Sherbet Land x 1
|
|
// length of 23
|
|
|
|
// Ghosts in BansheeBoardwalk x 2
|
|
// Seagulls in KoopaTroopaBeach x 1
|
|
// length of 24
|
|
|
|
// Ghosts in BansheeBoardwalk x 1
|
|
// Seagulls in KoopaTroopaBeach x 1
|
|
// Penguins in Sherbet Land x 1
|
|
// length of 25
|
|
|
|
// Data of this type is unreferenced or only referenced in an unused function
|
|
// lenght of 4
|
|
|
|
// Lakitu Countdown
|
|
// length of 15
|
|
|
|
// Lakitu Checkered Flag
|
|
// length of 21
|
|
|
|
// length of 13
|
|
|
|
// Lakitu Second/Final Lap
|
|
// length of 12
|
|
|
|
// Lakitu Reverse
|
|
// length of 8
|
|
|
|
#endif
|