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Last active August 16, 2016 22:46
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Malmo Minecraft Ai Simple Detect Lava - Avoiding
# ------------------------------------------------------------------------------------------------
# Copyright (c) 2016 Microsoft Corporation
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
# associated documentation files (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge, publish, distribute,
# sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all copies or
# substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
# NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# ------------------------------------------------------------------------------------------------
# Tutorial sample #2: Run simple mission using raw XML
import MalmoPython
import os
import sys
import time
import json
sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0) # flush print output immediately
# More interesting generator string: "3;7,44*49,73,35:1,159:4,95:13,35:13,159:11,95:10,159:14,159:6,35:6,95:6;12;"
missionXML='''<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<Mission xmlns="http://ProjectMalmo.microsoft.com" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<About>
<Summary>Hello world!</Summary>
</About>
<ServerSection>
<ServerInitialConditions>
<Time>
<StartTime>1000</StartTime>
<AllowPassageOfTime>false</AllowPassageOfTime>
</Time>
<Weather>clear</Weather>
</ServerInitialConditions>
<ServerHandlers>
<FlatWorldGenerator generatorString="3;7,61*1,5*3,2;3;,biome_1"/>
<DrawingDecorator>
<DrawCuboid x1="-16" y1="67" z1="-1" x2="-16" y2="39" z2="1" type="lava"/>
<DrawCuboid x1="-25" y1="67" z1="-2" x2="-29" y2="39" z2="2" type="lava"/>
<DrawCuboid x1="-26" y1="67" z1="-1" x2="-28" y2="39" z2="1" type="obsidian"/>
<DrawBlock x="-27" y="67" z="0" type="diamond_block"/>
</DrawingDecorator>
<ServerQuitFromTimeUp timeLimitMs="20000"/>
<ServerQuitWhenAnyAgentFinishes/>
</ServerHandlers>
</ServerSection>
<AgentSection mode="Survival">
<Name>MalmoTutorialBot</Name>
<AgentStart>
<Placement x="0.5" y="68.2" z="0.5" yaw="90"/>
<Inventory>
<InventoryItem slot="8" type="diamond_pickaxe"/>
</Inventory>
</AgentStart>
<AgentHandlers>
<ObservationFromFullStats/>
<ObservationFromGrid>
<Grid name="floor3x3">
<min x="-1" y="-1" z="-1"/>
<max x="1" y="-1" z="1"/>
</Grid>
</ObservationFromGrid>
<ContinuousMovementCommands turnSpeedDegs="180"/>
<InventoryCommands/>
<AgentQuitFromTouchingBlockType>
<Block type="diamond_block" />
</AgentQuitFromTouchingBlockType>
</AgentHandlers>
</AgentSection>
</Mission>'''
# Create default Malmo objects:
agent_host = MalmoPython.AgentHost()
try:
agent_host.parse( sys.argv )
except RuntimeError as e:
print 'ERROR:',e
print agent_host.getUsage()
exit(1)
if agent_host.receivedArgument("help"):
print agent_host.getUsage()
exit(0)
my_mission = MalmoPython.MissionSpec(missionXML, True)
my_mission_record = MalmoPython.MissionRecordSpec()
# Attempt to start a mission:
max_retries = 3
for retry in range(max_retries):
try:
agent_host.startMission( my_mission, my_mission_record )
break
except RuntimeError as e:
if retry == max_retries - 1:
print "Error starting mission:",e
exit(1)
else:
time.sleep(2)
# Loop until mission starts:
print "Waiting for the mission to start ",
world_state = agent_host.getWorldState()
while not world_state.is_mission_running:
sys.stdout.write(".")
time.sleep(0.1)
world_state = agent_host.getWorldState()
for error in world_state.errors:
print "Error:",error.text
print
print "Mission running ",
agent_host.sendCommand("move 1")
jumping = False
# Loop until mission ends:
while world_state.is_mission_running:
if world_state.number_of_observations_since_last_state > 0:
msg = world_state.observations[-1].text
observations = json.loads(msg)
grid = observations.get(u'floor3x3', 0)
if jumping and grid[4]!=u'lava':
agent_host.sendCommand("jump 0")
jumping = False
if grid[3]==u'lava':
agent_host.sendCommand("jump 1")
jumping = True
print
print "Mission ended"
# Mission has ended.
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