tge/engine/game/cameraSpline.h
2025-02-17 23:17:30 -06:00

92 lines
2.0 KiB
C++
Executable File

//-----------------------------------------------------------------------------
// Torque Game Engine
// Copyright (C) GarageGames.com, Inc.
//-----------------------------------------------------------------------------
#ifndef _CAMERASPLINE_H_
#define _CAMERASPLINE_H_
#include "math/mMath.h"
#include "core/tVector.h"
//----------------------------------------------------------------------------
class CameraSpline
{
public:
struct Knot
{
public:
Point3F mPosition;
QuatF mRotation;
F32 mSpeed; /// in meters per second
enum Type {
NORMAL,
POSITION_ONLY,
KINK,
NUM_TYPE_BITS = 2
}mType;
enum Path {
LINEAR,
SPLINE,
NUM_PATH_BITS = 1
}mPath;
F32 mDistance;
Knot *prev;
Knot *next;
Knot::Knot() {};
Knot::Knot(const Knot &k);
Knot::Knot(const Point3F &p, const QuatF &r, F32 s, Knot::Type type = NORMAL, Knot::Path path = SPLINE);
};
CameraSpline();
~CameraSpline();
bool isEmpty() { return (mFront == NULL); }
S32 size() { return mSize; }
Knot* remove(Knot *w);
void removeAll();
Knot* front() { return mFront; }
Knot* back() { return (mFront == NULL) ? NULL : mFront->prev; }
void push_back(Knot *w);
void push_front(Knot *w) { push_back(w); mFront = w; mIsMapDirty = true; }
Knot* getKnot(S32 i);
Knot* next(Knot *k) { return (k->next == mFront) ? k : k->next; }
Knot* prev(Knot *k) { return (k == mFront) ? k : k->prev; }
F32 advanceTime(F32 t, S32 delta_ms);
F32 advanceDist(F32 t, F32 meters);
void value(F32 t, Knot *result, bool skip_rotation=false);
F32 getDistance(F32 t);
F32 getTime(F32 d);
void renderTimeMap();
private:
Knot *mFront;
S32 mSize;
bool mIsMapDirty;
struct TimeMap {
F32 mTime;
F32 mDistance;
};
Vector<TimeMap> mTimeMap;
void buildTimeMap();
};
#endif