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#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 {
/* 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 {
// 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
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