gistfile1.diff

diff --git a/horizons/ai/aiplayer/__init__.py b/horizons/ai/aiplayer/__init__.py
index cdefcb8..f146222 100644
--- a/horizons/ai/aiplayer/__init__.py
+++ b/horizons/ai/aiplayer/__init__.py
@@ -29,6 +29,7 @@ from horizons.ai.aiplayer.strategy.strategymanager import StrategyManager
 from horizons.component.stancecomponent import NoneStance
 from horizons.world.units.fightingship import FightingShip
 from horizons.world.units.weaponholder import MovingWeaponHolder
+from horizons.world.units.ship import FisherShip
 
 from mission.foundsettlement import FoundSettlement
 from mission.preparefoundationship import PrepareFoundationShip
@@ -84,6 +85,7 @@ from horizons.util.worldobject import WorldObject
 from horizons.ext.enum import Enum
 from horizons.ai.generic import GenericAI
 from horizons.component.selectablecomponent import SelectableComponent
+from horizons.constants import AI
 
 class AIPlayer(GenericAI):
        """This is the AI that builds settlements."""
@@ -366,7 +368,13 @@ class AIPlayer(GenericAI):
 
        def request_ship(self):
                self.log.info('%s received request for more ships', self)
-               self.need_more_ships = True
+               # TODO. This is a hack to prevent the AI to build to much ships.
+               print len([ship for ship in self.world.ships \
+                       if ship.owner == self and type(ship) is not FisherShip])
+               if len([ship for ship in self.world.ships \
+                       if ship.owner == self and type(ship) is not FisherShip]) <= AI.AMOUNT_OF_TRADE_S
+                       print "will built a ship"
+                       self.need_more_ships = True
 
        def request_combat_ship(self):
                self.log.info('%s received request for combat ships', self)
diff --git a/horizons/constants.py b/horizons/constants.py
index 8aaeac8..86e118b 100644
--- a/horizons/constants.py
+++ b/horizons/constants.py
@@ -418,11 +418,13 @@ class MESSAGES:
        CUSTOM_MSG_VISIBLE_FOR = 90 # after this time the msg gets removed from screen
        LOGBOOK_DEFAULT_DELAY = 1 # delay between condition fulfilled and logbook popping up
 
-# AI values read from the command line; use the values below unless overridden by the CLI or the GUI
 class AI:
+       # AI values read from the command line; use the values below unless overridden by the CLI or the
        HIGHLIGHT_PLANS = False # whether to show the AI players' plans on the map
        HIGHLIGHT_COMBAT = False # whether to show the AI players' combat ranges around each unit
        HUMAN_AI = False # whether the human player is controlled by the AI
+       
+       AMOUNT_OF_TRADE_SHIPS = 6 # max amount of trade ships which can be build by one AI
 
 class TRADER: # check resource values: ./development/print_db_data.py res
        PRICE_MODIFIER_BUY = 1.0  # buy for x times the resource value