| 1 | #! perl |
1 | #! perl |
| 2 | |
2 | |
| 3 | # this extension swaps out maps and resets them, in essence managing |
3 | # this extension swaps out maps and resets them, in essence managing |
| 4 | # the reset/swap policy of the server. |
4 | # the reset/swap policy of the server. |
|
|
5 | # it also contains the map prefetching logic |
| 5 | |
6 | |
| 6 | our $DEACTIVATE_TIMEOUT = 20; # number of seconds after which maps get deactivated to save cpu |
7 | our $DEACTIVATE_TIMEOUT = 20; # number of seconds after which maps get deactivated to save cpu |
| 7 | our $SWAP_TIMEOUT = 35; # number of seconds after which maps inactive get swapped out |
8 | our $SWAP_TIMEOUT = 35; # number of seconds after which maps inactive get swapped out |
| 8 | our $SCHEDULE_INTERVAL = 2; # time the map scheduler sleeps between runs |
9 | our $SCHEDULE_INTERVAL = 2; # time the map scheduler sleeps between runs |
| 9 | our $SAVE_TIMEOUT = 20; # save maps every n seconds |
10 | our $SAVE_TIMEOUT = 20; # save maps every n seconds |
| 10 | our $SAVE_INTERVAL = 0.1; # save at max. one map every $SAVE_INTERVAL |
11 | our $SAVE_INTERVAL = 0.1; # save at max. one map every $SAVE_INTERVAL |
| 11 | |
12 | |
| 12 | cf::coro { |
13 | cf::async_ext { |
| 13 | $Coro::current->prio (Coro::PRIO_MIN); |
14 | $Coro::current->prio (Coro::PRIO_MIN); |
| 14 | # load the header of swapped-out maps. |
15 | # load the header of swapped-out maps. |
| 15 | # this is not a correctness issue, it simply saves diskspace |
16 | # this is not a correctness issue, it simply saves diskspace |
| 16 | # because old files will get cleaned up on reset time |
17 | # because old files will get cleaned up on reset time |
| 17 | Coro::Timer::sleep 1; |
18 | Coro::Timer::sleep 1; |
| … | |
… | |
| 27 | } |
28 | } |
| 28 | |
29 | |
| 29 | #TODO: should also preload random maps... |
30 | #TODO: should also preload random maps... |
| 30 | }; |
31 | }; |
| 31 | |
32 | |
| 32 | our $SCHEDULER = cf::coro { |
33 | our $SCHEDULER = cf::async_ext { |
| 33 | while () { |
34 | while () { |
| 34 | Coro::Timer::sleep $SCHEDULE_INTERVAL; |
35 | Coro::Timer::sleep $SCHEDULE_INTERVAL; |
| 35 | |
36 | |
| 36 | # this weird form of iteration over values is used because |
37 | # this weird form of iteration over values is used because |
| 37 | # the hash changes underneath us frequently, and for |
38 | # the hash changes underneath us frequently, and for |
| … | |
… | |
| 73 | # map load prefetch for tiled maps, possibly exits, too |
74 | # map load prefetch for tiled maps, possibly exits, too |
| 74 | cf::map->attach ( |
75 | cf::map->attach ( |
| 75 | on_enter => sub { |
76 | on_enter => sub { |
| 76 | my ($map, $pl) = @_; |
77 | my ($map, $pl) = @_; |
| 77 | |
78 | |
| 78 | (Coro::async_pool { |
79 | (cf::async { |
| 79 | my @diag; # diagonal neighbours |
80 | my @diag; # diagonal neighbours |
| 80 | |
81 | |
| 81 | for (0 .. 3) { |
82 | for (0 .. 3) { |
| 82 | my $neigh = $map->tile_path ($_) |
83 | my $neigh = $map->tile_path ($_) |
| 83 | or next; |
84 | or next; |
