void start_character_turning (CharacterInfo *chinf, int useloop, int no_diagonal) {
// work out how far round they have to turn
int fromidx = find_looporder_index (chinf->loop);
int toidx = find_looporder_index (useloop);
//Display("Curloop: %d, needloop: %d",chinf->loop, useloop);
int ii, go_anticlock = 0;
// work out whether anticlockwise is quicker or not
if ((toidx > fromidx) && ((toidx - fromidx) > 4))
go_anticlock = 1;
if ((toidx < fromidx) && ((fromidx - toidx) < 4))
go_anticlock = 1;
// strip any current turning_around stages
chinf->walking = chinf->walking % TURNING_AROUND;
if (go_anticlock)
chinf->walking += TURNING_BACKWARDS;
else
go_anticlock = -1;
// Allow the diagonal frames just for turning
if (no_diagonal == 2)
no_diagonal = 0;
for (ii = fromidx; ii != toidx; ii -= go_anticlock) {
if (ii < 0)
ii = 7;
if (ii >= 8)
ii = 0;
if (ii == toidx)
break;
if ((turnlooporder[ii] >= 4) && (no_diagonal > 0))
continue;
if (views[chinf->view].loops[turnlooporder[ii]].numFrames < 1)
continue;
if (turnlooporder[ii] < views[chinf->view].numLoops)
chinf->walking += TURNING_AROUND;
}
}
int CharacterInfo::update_character_walking(CharacterExtras *chex)
{
if (walking >= TURNING_AROUND) {
// Currently rotating to correct direction
if (walkwait > 0) walkwait--;
else {
// Work out which direction is next
int wantloop = find_looporder_index(loop) + 1;
// going anti-clockwise, take one before instead
if (walking >= TURNING_BACKWARDS)
wantloop -= 2;
while (1) {
if (wantloop >= 8)
wantloop = 0;
if (wantloop < 0)
wantloop = 7;
if ((turnlooporder[wantloop] >= views[view].numLoops) ||
(views[view].loops[turnlooporder[wantloop]].numFrames < 1) ||
((turnlooporder[wantloop] >= 4) && ((flags & CHF_NODIAGONAL)!=0))) {
if (walking >= TURNING_BACKWARDS)
wantloop--;
else
wantloop++;
}
else break;
}
loop = turnlooporder[wantloop];
walking -= TURNING_AROUND;
// if still turning, wait for next frame
if (walking % TURNING_BACKWARDS >= TURNING_AROUND)
walkwait = animspeed;
else
walking = walking % TURNING_BACKWARDS;
chex->animwait = 0;
}
return RETURN_CONTINUE;
//continue;
}
return 0;
}
