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gameworld.py
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gameworld.py
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####
#
# Gameworld
# Jake Kinsman
# 11/28/2014
#
####
import terrain as Terrain
import state as State
import copy
import random
class gameWorld(object):
def __init__(self):
self.terrains = [Terrain.terrain(), Terrain.terrain(), Terrain.terrain()]
self.livingReward = -1
self.discount = .95
self.noise = 0
self.startState = State.state()
self.transitionalStates = [State.state((9,0), 0), State.state((9,0), 1)]
self.terminalState = State.state((9,0), 2)
self.adpAgents = []
self.adpAgentIndex = 0
self.adpAgentStates = []
self.tdAgents = []
self.tdAgentIndex = 0
self.tdAgentStates = []
self.randomAgents = []
self.randomAgentIndex = 0
self.randomAgentStates = []
self.transitionalReward = 1000
self.terminalReward = 2000
#tested
def getDiscount(self):
return self.discount
#tested
def setDiscount(self, disc):
self.discount = disc
#tested
def setNoise(self, noise):
self.noise = noise
#tested
def getNoise(self):
return self.noise
#tested
def setLivingReward(self, lr):
self.livingReward = lr
#tested
def getLivingReward(self):
return self.livingReward
#tested
def getActions(self, state):
x, y = state.getPosition()
actions = list()
if self.isTransitionalState(state) or self.isTerminalState(state):
return ['finish']
else:
if x != 0:
actions.append('west')
if x != 9:
actions.append('east')
if y != 0:
actions.append('north')
if y != 9:
actions.append('south')
return actions
#tested
def getWorldAgent(self, agent):
if agent.type == "adp":
return self.adpAgents[agent.index]
elif agent.type == "td":
return self.tdAgents[agent.index]
else:
return self.randomAgents[agent.index]
#tested
def getAgentState(self, agent):
newAgent = self.getWorldAgent(agent)
if newAgent.type == "adp":
return self.adpAgentStates[newAgent.index]
elif newAgent.type == "td":
return self.tdAgentStates[newAgent.index]
else:
return self.randomAgentStates[newAgent.index]
#tested
def setAgentState(self, agent, state):
newAgent = self.getWorldAgent(agent)
if newAgent.type == "adp":
self.adpAgentStates[newAgent.index] = state
elif newAgent.type == "td":
self.tdAgentStates[newAgent.index] = state
else:
self.randomAgentStates[newAgent.index] = state
#tested
def getReward(self, agent, state):
newAgent = self.getWorldAgent(agent)
if self.completedRace(state, 1):
return self.transitionalReward
elif self.completedRace(state, 2):
return self.terminalReward
else:
x, y = state.getPosition()
terrain = state.getWorld()
manDist = (abs(y - 9) + abs(x - 0))
terrainElement = repr(self.terrains[terrain].terrainWorld[x][y])
if terrainElement == 'grass':
rew = (self.terrains[terrain].terrainWorld[x][y].getScore() * newAgent.skillLevels['grass']) + manDist
elif terrainElement == 'forest':
rew = (self.terrains[terrain].terrainWorld[x][y].getScore() * newAgent.skillLevels['forest']) + manDist
elif terrainElement == 'water':
rew = (self.terrains[terrain].terrainWorld[x][y].getScore() * newAgent.skillLevels['water']) + manDist
else:
rew = (self.terrains[terrain].terrainWorld[x][y].getScore() * newAgent.skillLevels['mountain']) + manDist
return self.livingReward / (rew * .1)
#tested
def getStartState(self, terrainNum = 0):
return State.state((0,9), terrainNum)
#tested
def isTransitionalState(self, state):
return state in self.transitionalStates
#tested
def isTerminalState(self, state):
return state == self.terminalState
#tested
def generateNextStates(self, state, action):
if (self.isTerminalState(state) or self.isTransitionalState(state)) and action is 'finish':
return State.state((float("inf"), float("inf")), state.getWorld())
x, y = state.getPosition()
world = state.getWorld()
if action is 'east':
return State.state((x + 1, y), world)
if action is 'west':
return State.state((x - 1, y), world)
if action is 'north':
return State.state((x, y - 1), world)
if action is 'south':
return State.state((x, y + 1), world)
else:
raise "Error, invalid action"
#tested
def completedRace(self, state, worldNum = 0):
return state.getPosition() == (float("inf"), float("inf")) and state.getWorld() <= worldNum
#tested
def addAgent(self, agent, skills=None):
newAgent = copy.deepcopy(agent)
if skills:
newAgent.skillLevels['water' ] = skills['water' ]
newAgent.skillLevels['grass' ] = skills['grass' ]
newAgent.skillLevels['forest' ] = skills['forest' ]
newAgent.skillLevels['mountain'] = skills['mountain']
else:
newAgent.skillLevels['water'] = random.random() + .5
newAgent.skillLevels['grass'] = random.random() + .5
newAgent.skillLevels['forest'] = random.random() + .5
newAgent.skillLevels['mountain'] = random.random() + .5
if newAgent.type is "adp":
self.adpAgents.append(newAgent)
self.adpAgentStates.append(State.state())
agent.setIndex(self.adpAgentIndex)
newAgent.setIndex(self.adpAgentIndex)
self.adpAgentIndex += 1
elif newAgent.type is "td":
self.tdAgents.append(newAgent)
self.tdAgentStates.append(State.state())
agent.setIndex(self.tdAgentIndex)
newAgent.setIndex(self.tdAgentIndex)
self.tdAgentIndex += 1
else:
self.randomAgents.append(newAgent)
self.randomAgentStates.append(State.state())
agent.setIndex(self.randomAgentIndex)
newAgent.setIndex(self.randomAgentIndex)
self.randomAgentIndex += 1
#tested
def moveAgent(self, agent, state, action):
newAgent = self.getWorldAgent(agent)
x, y = state.getPosition()
terrainElement = repr(self.terrains[state.getWorld()].terrainWorld[x][y])
chanceToFall = None
chanceToSlideDown = None
chanceToSlideLeft = None
if state in self.transitionalStates or state == self.terminalState:
self.setAgentState(newAgent, self.generateNextStates(state, action))
else:
if terrainElement == 'grass':
chanceToFall = abs(newAgent.skillLevels['grass'] - 1) / 4
elif terrainElement == 'water':
chanceToFall = abs(newAgent.skillLevels['water'] - 1) / 4
elif terrainElement == 'forest':
chanceToFall = abs(newAgent.skillLevels['forest'] - 1) / 4
else:
chanceToFall = abs(newAgent.skillLevels['mountain'] - 1) / 2
x, y = state.getPosition()
chanceToSlideDown = 0.1 - ((0.1 / 10) * (abs(y - 0)))
chanceToSlideLeft = 0.1 - ((0.1 / 10) * (abs(x - 9)))
if random.random() <= chanceToSlideDown:
self.setAgentState(newAgent, State.state((x, min([9, y + 1])), state.getWorld()))
elif random.random() <= chanceToSlideLeft:
self.setAgentState(newAgent, State.state((max([x - 1, 0]), y), state.getWorld()))
elif random.random() <= chanceToFall:
self.setAgentState(newAgent, State.state((max([x - 1, 0]), min([9, y + 1])), state.getWorld()))
else:
self.setAgentState(newAgent, self.generateNextStates(state, action))
#tested
def getTerrainType(self, state):
x, y = state.getPosition()
return repr(self.terrains[state.getWorld()].terrainWorld[x][y])
#retested
def getAllPossibleSuccessors(self, state, action):
x, y = state.getPosition()
successors = list()
if action is 'finish':
return [State.state((float("inf"), float("inf")), state.getWorld())]
else:
if x >= 1:
successors.append(State.state((x - 1, y), state.getWorld()))
if y < 9:
successors.append(State.state((x, y + 1), state.getWorld()))
if x >= 1 and y < 9:
successors.append(State.state((x - 1, y + 1), state.getWorld()))
if x == 0 or y == 9:
successors.append(State.state((x, y), state.getWorld()))
successors.append(self.generateNextStates(state, action))
return successors
# test = gameWorld()
# for world in test.terrains:
# world.showTerrain()
# print "noise: ", test.getNoise()
# test.setNoise(1)
# print "noise is now 1: ", test.getNoise()
# print "livingReward: ", test.getLivingReward()
# test.setLivingReward(0)
# print "livingReward is now 0: ", test.getLivingReward()
# print "discount: ", test.getDiscount()
# test.setDiscount(0)
# print "discount is now 0: ", test.getDiscount()
# print "\n"
# print "startState: ", test.getStartState()
# print "\n"
# print "TransitionalState? ", test.isTransitionalState(test.getStartState())
# print "TerminalState? ", test.isTerminalState(test.getStartState())
# print "\n"
# print "Actions from start state: ", test.getActions(test.getStartState())
# for action in test.getActions(test.getStartState()):
# print "going " + action + " from " + str(test.getStartState()) + " puts us " + str(test.generateNextStates(test.getStartState(), action))
# print "\n"
# print "Terminal Actions: ", test.getActions(State.state((9,0), 2))
# print "\n"
# print "All actions: ", test.getActions(State.state((4,5), 0))
# print "\n"
# print "In the sky: ", test.generateNextStates(State.state((9,0), 0), "finish")
# print "\n"
# print "Completed? ", test.completedRace(test.generateNextStates(State.state((9,0), 0), "finish"))
# print "Not Completed?", test.completedRace(test.getStartState())
# print "\n"
# print "grass==grass? ", Terrain.grass() == Terrain.grass()
# print "grass==mountain? ", Terrain.grass() == Terrain.mountain()
# print "\n"
# print "No ADP Agents!"
# print "Adding ADP Agent!"
# test.addAgent(Agent.adpAgent(test))
# print test.adpAgentIndex, " ADP Agents!"
# print "adpAgent.waterScore:", test.adpAgents[0].getWaterSkill()
# print "adpAgent.grassScore:", test.adpAgents[0].getGrassSkill()
# print "adpAgent.forestScore:", test.adpAgents[0].getForestSkill()
# print "adpAgent.mountainScore:", test.adpAgents[0].getMountainSkill()
# print "adpAgent State: ", test.getAgentState(test.adpAgents[0])
# print "\n"
# print "No TD Agents!"
# print "Adding TD Agent!"
# test.addAgent(Agent.tdAgent())
# print test.tdAgentIndex, " TD Agents!"
# print "tdAgent.waterScore:", test.tdAgents[0].getWaterSkill()
# print "tdAgent.grassScore:", test.tdAgents[0].getGrassSkill()
# print "tdAgent.forestScore:", test.tdAgents[0].getForestSkill()
# print "tdAgent.mountainScore:", test.tdAgents[0].getMountainSkill()
# print "tdAgent State: ", test.getAgentState(test.tdAgents[0])
# print "\n"
# print "Testing getReward():"
# print "transitionalReward: ", test.getReward(test.adpAgents[0], State.state((float("inf"), float("inf")), 0))
# print "terminalReward: ", test.getReward(test.adpAgents[0], State.state((float("inf"), float("inf")), 2))
# print "not fallen", test.getReward(test.adpAgents[0], test.getAgentState(test.adpAgents[0]))
# print "terrain was: ", test.terrains[0].terrainWorld[0][9]
# print "\n"
# print "Create testAgent"
# testAgent = Agent.tdAgent()
# test.addAgent(testAgent)
# print "getting testAgent State: ", test.getAgentState(testAgent)
# print "Settings testAgent State to (5,4), terrain #1: ",
# test.setAgentState(testAgent, State.state((5,4), 1))
# print "testAgent State: ", test.getAgentState(testAgent)
# print "moving testAgent: "
# test.moveAgent(testAgent, test.getAgentState(testAgent), 'east')
# print test.getAgentState(testAgent)
# print ""
# print "Test get terrain type: ", test.getTerrainType(State.state((0, 9), 0))
# print "TESTING GET POSSIBLE SUCCESSORS:"
# print "TEST START: "
# test = gameWorld()
# start = test.getStartState()
# print test.getAllPossibleSuccessors(start, 'north')
# print "TEST END: "
# end = State.state((9,0), 0)
# print end.getPosition()
# print test.getAllPossibleSuccessors(end, 'finish')
# print "Testing random state on map 2: "
# inter = State.state((5,5), 2)
# print test.getAllPossibleSuccessors(inter, 'north')
# test = gameWorld()
# print test.getAllPossibleSuccessors(State.state((0,9), 1), 'east')
# print test.getAllPossibleSuccessors(State.state((9,0), 1), 'finish')
# print test.getAllPossibleSuccessors(State.state((5, 9), 1), 'north')
# print test.getAllPossibleSuccessors(State.state((0, 4), 1), 'east')
# print test.getAllPossibleSuccessors(State.state((4,4), 1), 'east')
# test = gameWorld()
# agent = Agent.tdAgent((9,0))
# test.addAgent(agent)
# state = State.state((0,9), 2)
# print test.getReward(agent, state), test.getTerrainType(state)
# print test.tdAgents[0].skillLevels[test.getTerrainType(state)]