# HG changeset patch
# User Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
# Date 1377864968 -7200
# Node ID f26c8ab57257198cb2491d65109e976547e0a76a
# Parent  cae83b963695b25255ec001fd480496654b4a7ed
Use a simple for loop to determine the power level of the player; fixes a traceback when the SHT has no shot at all.

diff --git a/pytouhou/game/player.py b/pytouhou/game/player.py
--- a/pytouhou/game/player.py
+++ b/pytouhou/game/player.py
@@ -114,7 +114,12 @@ class Player(Element):
 
     def fire(self):
         sht = self.focused_sht if self.state.focused else self.sht
-        power = min(power for power in sht.shots if self.state.power < power)
+
+        # Don’t use min() since sht.shots could be an empty dict.
+        power = 999
+        for shot_power in sht.shots:
+            if self.state.power < shot_power:
+                power = power if power < shot_power else shot_power
 
         bullets = self._game.players_bullets
         lasers = self._game.players_lasers