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Factor out pick_connected_drop_segment

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Kp 2018-06-24 05:06:15 +00:00
parent 6fca290663
commit c97b41404c
1 changed files with 29 additions and 36 deletions
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65
similar/main/fireball.cpp
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@ -526,6 +526,30 @@ imsegidx_t pick_connected_segment(const vcsegidx_t start_seg, int max_depth)
#define BASE_NET_DROP_DEPTH 8
#endif
static imsegidx_t pick_connected_drop_segment(const segment_array &Segments, fvcvertptr &vcvertptr, const vcsegidx_t start_seg, const unsigned cur_drop_depth, const vms_vector &player_pos, const vcsegptridx_t &player_seg)
{
const auto segnum = pick_connected_segment(start_seg, cur_drop_depth);
if (segnum == segment_none)
return segnum;
const auto &&segp = Segments.vcptridx(segnum);
if (segp->special == SEGMENT_IS_CONTROLCEN)
return segment_none;
//don't drop in any children of control centers
range_for (const auto ch, segp->children)
{
if (!IS_CHILD(ch))
continue;
auto &childsegp = *Segments.vcptr(ch);
if (childsegp.special == SEGMENT_IS_CONTROLCEN)
return segment_none;
}
//bail if not far enough from original position
const auto &&tempv = compute_segment_center(vcvertptr, segp);
if (find_connected_distance(player_pos, player_seg, tempv, segp, -1, WID_FLY_FLAG) < static_cast<fix>(i2f(20) * cur_drop_depth))
return segment_none;
return segnum;
}
// ------------------------------------------------------------------------------------------------------
// Choose segment to drop a powerup in.
// For all active net players, try to create a N segment path from the player. If possible, return that
@ -533,23 +557,22 @@ imsegidx_t pick_connected_segment(const vcsegidx_t start_seg, int max_depth)
// Don't drop if control center in segment.
static vmsegptridx_t choose_drop_segment(segment_array &segments, const playernum_t drop_pnum)
{
auto &vcsegptridx = segments.vcptridx;
auto &vmsegptridx = segments.vmptridx;
playernum_t pnum = 0;
int cur_drop_depth;
int count;
vms_vector *player_pos;
auto &drop_playerobj = *vmobjptr(vcplayerptr(drop_pnum)->objnum);
d_srand(static_cast<fix>(timer_query()));
cur_drop_depth = BASE_NET_DROP_DEPTH + ((d_rand() * BASE_NET_DROP_DEPTH*2) >> 15);
player_pos = &drop_playerobj.pos;
const auto player_seg = drop_playerobj.segnum;
auto &player_pos = drop_playerobj.pos;
const auto &&player_seg = segments.vcptridx(drop_playerobj.segnum);
segnum_t segnum = segment_none;
while ((segnum == segment_none) && (cur_drop_depth > BASE_NET_DROP_DEPTH/2)) {
for (; (segnum == segment_none) && (cur_drop_depth > BASE_NET_DROP_DEPTH/2); --cur_drop_depth)
{
pnum = (d_rand() * N_players) >> 15;
count = 0;
#if defined(DXX_BUILD_DESCENT_I)
@ -567,37 +590,7 @@ static vmsegptridx_t choose_drop_segment(segment_array &segments, const playernu
pnum = drop_pnum;
}
segnum = pick_connected_segment(vcobjptr(vcplayerptr(pnum)->objnum)->segnum, cur_drop_depth);
if (segnum == segment_none)
{
cur_drop_depth--;
continue;
}
if (Segments[segnum].special == SEGMENT_IS_CONTROLCEN)
{
segnum = segment_none;
}
else { //don't drop in any children of control centers
range_for (auto ch, vcsegptr(segnum)->children)
{
if (IS_CHILD(ch) && vcsegptr(ch)->special == SEGMENT_IS_CONTROLCEN) {
segnum = segment_none;
break;
}
}
}
//bail if not far enough from original position
if (segnum != segment_none) {
const auto &&segp = vcsegptridx(segnum);
const auto &&tempv = compute_segment_center(vcvertptr, segp);
if (find_connected_distance(*player_pos, vcsegptridx(player_seg), tempv, segp, -1, WID_FLY_FLAG) < i2f(20) * cur_drop_depth)
{
segnum = segment_none;
}
}
cur_drop_depth--;
segnum = pick_connected_drop_segment(segments, vcvertptr, vcobjptr(vcplayerptr(pnum)->objnum)->segnum, cur_drop_depth, player_pos, player_seg);
}
if (segnum == segment_none) {