void FCajunMaster::NewChaseDir (AActor *actor, ticcmd_t *cmd)
{
fixed_t deltax;
fixed_t deltay;
dirtype_t d[3];
int tdir;
dirtype_t olddir;
dirtype_t turnaround;
if (!actor->player->dest)
{
#ifndef BOT_RELEASE_COMPILE
Printf ("Bot tried move without destination\n");
#endif
return;
}
olddir = (dirtype_t)actor->movedir;
turnaround = opposite[olddir];
deltax = actor->player->dest->x - actor->x;
deltay = actor->player->dest->y - actor->y;
if (deltax > 10*FRACUNIT)
d[1] = DI_EAST;
else if (deltax < -10*FRACUNIT)
d[1] = DI_WEST;
else
d[1] = DI_NODIR;
if (deltay < -10*FRACUNIT)
d[2] = DI_SOUTH;
else if (deltay > 10*FRACUNIT)
d[2] = DI_NORTH;
else
d[2] = DI_NODIR;
// try direct route
if (d[1] != DI_NODIR && d[2] != DI_NODIR)
{
actor->movedir = diags[((deltay<0)<<1)+(deltax>0)];
if (actor->movedir != turnaround && TryWalk(actor, cmd))
return;
}
// try other directions
if (pr_botnewchasedir() > 200
|| abs(deltay)>abs(deltax))
{
tdir=d[1];
d[1]=d[2];
d[2]=(dirtype_t)tdir;
}
if (d[1]==turnaround)
d[1]=DI_NODIR;
if (d[2]==turnaround)
d[2]=DI_NODIR;
if (d[1]!=DI_NODIR)
{
actor->movedir = d[1];
if (TryWalk (actor, cmd))
return;
}
if (d[2]!=DI_NODIR)
{
actor->movedir = d[2];
if (TryWalk(actor, cmd))
return;
}
// there is no direct path to the player,
// so pick another direction.
if (olddir!=DI_NODIR)
{
actor->movedir = olddir;
if (TryWalk(actor, cmd))
return;
}
// randomly determine direction of search
if (pr_botnewchasedir()&1)
{
for ( tdir=DI_EAST;
tdir<=DI_SOUTHEAST;
tdir++ )
{
if (tdir!=turnaround)
{
actor->movedir = tdir;
if (TryWalk(actor, cmd))
return;
}
}
}
else
{
for ( tdir=DI_SOUTHEAST;
tdir != (DI_EAST-1);
tdir-- )
{
if (tdir!=turnaround)
{
actor->movedir = tdir;
if (TryWalk(actor, cmd))
return;
}
}
}
if (turnaround != DI_NODIR)
{
actor->movedir = turnaround;
if (TryWalk(actor, cmd))
return;
}
actor->movedir = DI_NODIR; // can not move
}
void DBot::NewChaseDir (ticcmd_t *cmd)
{
dirtype_t d[3];
int tdir;
dirtype_t olddir;
dirtype_t turnaround;
if (!dest)
{
#ifndef BOT_RELEASE_COMPILE
Printf ("Bot tried move without destination\n");
#endif
return;
}
olddir = (dirtype_t)player->mo->movedir;
turnaround = opposite[olddir];
fixedvec2 delta = player->mo->Vec2To(dest);
if (delta.x > 10*FRACUNIT)
d[1] = DI_EAST;
else if (delta.x < -10*FRACUNIT)
d[1] = DI_WEST;
else
d[1] = DI_NODIR;
if (delta.y < -10*FRACUNIT)
d[2] = DI_SOUTH;
else if (delta.y > 10*FRACUNIT)
d[2] = DI_NORTH;
else
d[2] = DI_NODIR;
// try direct route
if (d[1] != DI_NODIR && d[2] != DI_NODIR)
{
player->mo->movedir = diags[((delta.y<0)<<1)+(delta.x>0)];
if (player->mo->movedir != turnaround && TryWalk(cmd))
return;
}
// try other directions
if (pr_botnewchasedir() > 200
|| abs(delta.y)>abs(delta.x))
{
tdir=d[1];
d[1]=d[2];
d[2]=(dirtype_t)tdir;
}
if (d[1]==turnaround)
d[1]=DI_NODIR;
if (d[2]==turnaround)
d[2]=DI_NODIR;
if (d[1]!=DI_NODIR)
{
player->mo->movedir = d[1];
if (TryWalk (cmd))
return;
}
if (d[2]!=DI_NODIR)
{
player->mo->movedir = d[2];
if (TryWalk(cmd))
return;
}
// there is no direct path to the player,
// so pick another direction.
if (olddir!=DI_NODIR)
{
player->mo->movedir = olddir;
if (TryWalk(cmd))
return;
}
// randomly determine direction of search
if (pr_botnewchasedir()&1)
{
for ( tdir=DI_EAST;
tdir<=DI_SOUTHEAST;
tdir++ )
{
if (tdir!=turnaround)
{
player->mo->movedir = tdir;
if (TryWalk(cmd))
return;
}
}
}
else
{
for ( tdir=DI_SOUTHEAST;
tdir != (DI_EAST-1);
tdir-- )
{
if (tdir!=turnaround)
{
player->mo->movedir = tdir;
if (TryWalk(cmd))
return;
}
}
}
if (turnaround != DI_NODIR)
{
player->mo->movedir = turnaround;
if (TryWalk(cmd))
return;
}
player->mo->movedir = DI_NODIR; // can not move
}