Пример #1
0
/*
===============
UI_RunLerpFrame
===============
*/
static void UI_RunLerpFrame( playerInfo_t *ci, lerpFrame_t *lf, int newAnimation ) {
    int			f;
    animation_t	*anim;

    // see if the animation sequence is switching
    if ( newAnimation != lf->animationNumber || !lf->animation ) {
        UI_SetLerpFrameAnimation( ci, lf, newAnimation );
    }

    // if we have passed the current frame, move it to
    // oldFrame and calculate a new frame
    if ( dp_realtime >= lf->frameTime ) {
        lf->oldFrame = lf->frame;
        lf->oldFrameTime = lf->frameTime;

        // get the next frame based on the animation
        anim = lf->animation;
        if ( dp_realtime < lf->animationTime ) {
            lf->frameTime = lf->animationTime;		// initial lerp
        } else {
            lf->frameTime = lf->oldFrameTime + anim->frameLerp;
        }
        f = ( lf->frameTime - lf->animationTime ) / anim->frameLerp;
        if ( f >= anim->numFrames ) {
            f -= anim->numFrames;
            if ( anim->loopFrames ) {
                f %= anim->loopFrames;
                f += anim->numFrames - anim->loopFrames;
            } else {
                f = anim->numFrames - 1;
                // the animation is stuck at the end, so it
                // can immediately transition to another sequence
                lf->frameTime = dp_realtime;
            }
        }
        lf->frame = anim->firstFrame + f;
        if ( dp_realtime > lf->frameTime ) {
            lf->frameTime = dp_realtime;
        }
    }

    if ( lf->frameTime > dp_realtime + 200 ) {
        lf->frameTime = dp_realtime;
    }

    if ( lf->oldFrameTime > dp_realtime ) {
        lf->oldFrameTime = dp_realtime;
    }
    // calculate current lerp value
    if ( lf->frameTime == lf->oldFrameTime ) {
        lf->backlerp = 0;
    } else {
        lf->backlerp = 1.0 - (float)( dp_realtime - lf->oldFrameTime ) / ( lf->frameTime - lf->oldFrameTime );
    }
}
Пример #2
0
/*
 * UI_RunLerpFrame
 */
static void
UI_RunLerpFrame(Playerinfo *ci, Lerpframe *lf, int newAnimation)
{
	int f;
	Anim *anim;

	/* see if the animation sequence is switching */
	if(newAnimation != lf->animationNumber || !lf->animation)
		UI_SetLerpFrameAnimation(ci, lf, newAnimation);

	/* if we have passed the current frame, move it to
	 * oldFrame and calculate a new frame */
	if(dp_realtime >= lf->frameTime){
		lf->oldFrame = lf->frame;
		lf->oldFrameTime = lf->frameTime;

		/* get the next frame based on the animation */
		anim = lf->animation;
		if(dp_realtime < lf->animationTime)
			lf->frameTime = lf->animationTime;	/* initial lerp */
		else
			lf->frameTime = lf->oldFrameTime + anim->frameLerp;
		f = (lf->frameTime - lf->animationTime) / anim->frameLerp;
		if(f >= anim->numFrames){
			f -= anim->numFrames;
			if(anim->loopFrames){
				f %= anim->loopFrames;
				f += anim->numFrames - anim->loopFrames;
			}else{
				f = anim->numFrames - 1;
				/* the animation is stuck at the end, so it
				 * can immediately transition to another sequence */
				lf->frameTime = dp_realtime;
			}
		}
		lf->frame = anim->firstFrame + f;
		if(dp_realtime > lf->frameTime)
			lf->frameTime = dp_realtime;
	}

	if(lf->frameTime > dp_realtime + 200)
		lf->frameTime = dp_realtime;

	if(lf->oldFrameTime > dp_realtime)
		lf->oldFrameTime = dp_realtime;
	/* calculate current lerp value */
	if(lf->frameTime == lf->oldFrameTime)
		lf->backlerp = 0;
	else
		lf->backlerp = 1.0 -
			       (float)(dp_realtime -
				       lf->oldFrameTime) /
			       (lf->frameTime - lf->oldFrameTime);
}