Fix 04b02a6: ticks_playing is game_date - start_date, not the other way around (#30)

Author: TrueBrain

openttd_protocol/protocol/coordinator.py

@@ -220,7 +220,7 @@ def receive_PACKET_COORDINATOR_SERVER_UPDATE(source, data):
 
         # Estimate, where possible, for older versions.
         if game_info_version < 7:
-            ticks_playing = max(0, (start_date - game_date) * 74)
+            ticks_playing = max(0, (game_date - start_date) * 74)
 
         if len(data) != 0:
             raise PacketInvalidData("more bytes than expected in SERVER_UPDATE; remaining: ", len(data))

openttd_protocol/protocol/game.py

@@ -139,7 +139,7 @@ def receive_PACKET_SERVER_GAME_INFO(source, data):
 
         # Estimate, where possible, for older versions.
         if game_info_version < 7:
-            ticks_playing = max(0, (start_date - game_date) * 74)
+            ticks_playing = max(0, (game_date - start_date) * 74)
 
         if len(data) != 0:
             raise PacketInvalidData("more bytes than expected in SERVER_GAME_INFO; remaining: ", len(data))