Multi-process FOV generation on send_gamestate.

[plomrogue2] / plomrogue / game.py

diff --git a/plomrogue/game.py b/plomrogue/game.py
index 453ee30dd84f968b6f3555b09f6d428722bb31c3..ff761556e0da3f4299411ad0ae27051db7957a3f 100755 (executable)
--- a/plomrogue/game.py
+++ b/plomrogue/game.py
@@ -203,7 +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)