Multi-process FOV generation on send_gamestate.

[plomrogue2] / plomrogue / game.py

diff --git a/plomrogue/game.py b/plomrogue/game.py
index 8bc7f74b64a2890793352b7717a9c7222831fb38..ff761556e0da3f4299411ad0ae27051db7957a3f 100755 (executable)
--- a/plomrogue/game.py
+++ b/plomrogue/game.py
@@ -3,6 +3,7 @@ from plomrogue.io import GameIO
 from plomrogue.misc import quote
 from plomrogue.mapping import YX, MapGeometrySquare, MapGeometryHex, Map
 import string
+import datetime
 
 
 
@@ -129,6 +130,9 @@ class Game(GameBase):
         self.player_chars = string.digits + string.ascii_letters
         self.player_char_i = -1
         self.admin_passwords = []
+        self.send_gamestate_interval = datetime.timedelta(seconds=0.04)
+        self.last_send_gamestate = datetime.datetime.now() -\
+            self.send_gamestate_interval
         self.terrains = {
             '.': 'floor',
             'X': 'wall',
@@ -199,7 +203,23 @@ class Game(GameBase):
         """Send out game state data relevant to clients."""
 
         self.io.send('TURN ' + str(self.turn))
-        for c_id in self.sessions:
+        from plomrogue.mapping import FovMap
+        import multiprocessing
+        pool = multiprocessing.Pool()
+        players = []
+        c_ids = [c_id for c_id in self.sessions]
+        for c_id in c_ids:
+            players += [self.get_player(c_id)]
+        player_fovs = []
+        for player in players:
+            player.prepare_multiprocessible_fov_stencil()
+            player_fovs += [player._fov]
+        new_fovs = pool.map(FovMap.init_terrain, [fov for fov in player_fovs])
+        for i in range(len(players)):
+            players[i]._fov = new_fovs[i]
+        pool.close()
+        pool.join()
+        for c_id in c_ids:
             player = self.get_player(c_id)
             visible_terrain = player.fov_stencil_map()
             self.io.send('FOV %s' % quote(player.fov_stencil.terrain), c_id)
@@ -261,9 +281,14 @@ class Game(GameBase):
                         self.io.send('PLAY_ERROR ' + quote(str(e)), connection_id)
         if self.changed:
             self.turn += 1
-            self.send_gamestate()
-            self.changed = False
-            self.save()
+            # send_gamestate() can be rather expensive, due to among other reasons
+            # re-calculating each player's FOV, so don't send it out too often
+            if self.last_send_gamestate < \
+               datetime.datetime.now() -self.send_gamestate_interval:
+                self.send_gamestate()
+                self.changed = False
+                self.save()
+                self.last_send_gamestate = datetime.datetime.now()
 
     def get_command(self, command_name):
 
@@ -343,6 +368,16 @@ class Game(GameBase):
                 write(f, 'GOD_THING_PROTECTION %s %s' % (t.id_, quote(t.protection)))
                 if hasattr(t, 'name'):
                     write(f, 'GOD_THING_NAME %s %s' % (t.id_, quote(t.name)))
+                if t.type_ == 'Door' and t.blocking:
+                    write(f, 'THING_DOOR_CLOSED %s' % t.id_)
+                elif t.type_ == 'MusicPlayer':
+                    write(f, 'THING_MUSICPLAYER_SETTINGS %s %s %s %s' %
+                          (t.id_, int(t.playing), t.playlist_index, int(t.repeat)))
+                    for item in t.playlist:
+                        write(f, 'THING_MUSICPLAYER_PLAYLIST_ITEM %s %s %s' %
+                              (t.id_, quote(item[0]), item[1]))
+                elif t.type_ == 'Bottle' and not t.full:
+                    write(f, 'THING_BOTTLE_EMPTY %s' % t.id_)
             write(f, 'SPAWN_POINT %s %s' % (self.spawn_point[0],
                                             self.spawn_point[1]))