#pragma once

// begin engine fields

/** primary framegroup animation (strength = 1 - lerpfrac - lerpfrac3 - lerpfrac4) */
.float frame;
/** secondary framegroup animation (strength = lerpfrac) */
.float frame2;
/** tertiary framegroup animation (strength = lerpfrac3) */
.float frame3;
/** quaternary framegroup animation (strength = lerpfrac4) */
.float frame4;

/** strength of framegroup blend */
.float lerpfrac;
/** strength of framegroup blend */
.float lerpfrac3;
/** strength of framegroup blend */
.float lerpfrac4;

/** start time of framegroup animation */
.float frame1time;
/** start time of framegroup animation */
.float frame2time;
/** start time of framegroup animation */
.float frame3time;
/** start time of framegroup animation */
.float frame4time;

// end engine fields

// player animation state

.int animstate_startframe;
.int animstate_numframes;
.float animstate_framerate;
.float animstate_starttime;
.float animstate_endtime;
/** whether to repeat */
.bool animstate_looping;
/** true for one cycle, then changed to false */
.bool animstate_override;

void anim_set(entity e, vector anim, bool looping, bool override, bool restart);
#define setanim(...) anim_set(__VA_ARGS__)
void anim_update(entity e);
#define updateanim(...) anim_update(__VA_ARGS__)