s444409/DSZI_Survival
s444409/DSZI_Survival
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Add entity picking being adjustable for pure dt run and ga with dt run

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In pure dt mode player can choose the same object like water any times in a row.
In dt with ga mode player can't choose same object two times in a row.
This commit is contained in:
Michał Czekański 2020-05-24 23:40:13 +02:00
parent 1e4b44558c
commit 939c3f9072
2 changed files with 27 additions and 23 deletions
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2
src/AI/GA_With_DT.py
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@ -144,7 +144,7 @@ def doSimulation(weights, map, decisionTree: SurvivalDT):
player.disableMovementTime()
while player.alive:
if player.movementTarget is None:
target = decisionTree.pickEntity(player, map)
target = decisionTree.pickEntity(player, map, pickForGa=True)
player.gotoToTarget(target, map)
player.update()
fitness = player.movePoints

18
src/AI/SurvivalDT.py
View File

@ -16,10 +16,11 @@ class SurvivalDT:
def __init__(self, entityPickingDecisionTree: DecisionTree):
self.entityPickingDecisionTree = entityPickingDecisionTree
def pickEntity(self, player, map):
def pickEntity(self, player, map, pickForGa=False):
"""
Select an entity to become the next goal for the player.
:param pickForGa: If picking is done for genetic algorithm then pick can't be the same as last.
:param player: Player object
:param map: Map object
"""
@ -65,8 +66,14 @@ class SurvivalDT:
dtRestPlaces,
dtWaters)
"""
If choice is being made for genetic algorithm then do not allow to pick same entity as before,
because fitness is being calculated by travelled fields, not time being alive.
So player shouldn't be standing and drinking water, but moving from one water field to another.
"""
if pickForGa:
# If the choice happens to be the same as the last one pick something else.
if choice == map.getEntityOnCoord(player.getFacingCoord()):
if choice.interactable == map.getEntityOnCoord(player.getFacingCoord()):
if treeDecision == SurvivalClassification.FOOD:
dtFoods.remove(dtFoods[0])
nearestDtFood = dtFoods[0]
@ -79,16 +86,13 @@ class SurvivalDT:
currentSituation = SurvivalDTExample(None, playerStats.hungerAmount, playerStats.thirstAmount,
playerStats.staminaAmount,
dtFoods[0].dtDistanceFromPlayer, dtWaters[0].dtDistanceFromPlayer,
dtRestPlaces[0].dtDistanceFromPlayer,
nearestDtFood.dtDistanceFromPlayer, nearestDtWater.dtDistanceFromPlayer,
nearestDtRest.dtDistanceFromPlayer,
nearestDtFood.getDtDistanceFromOtherInteractable(nearestDtWater.interactable))
treeDecision, choice = self.__pickEntityAfterTreeDecision__(currentSituation, dtFoods,
dtRestPlaces, dtWaters)
print("Tree choice: ")
print(choice.getDescription())
return choice.interactable
def __pickEntityAfterTreeDecision__(self, currentSituation, dtFoods, dtRestPlaces, dtWaters):