cliff_walking_1.xml

<?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>Cliff walking mission based on Sutton and Barto.</Summary>
  </About>
  
  <ModSettings>
    <MsPerTick>1</MsPerTick>
  </ModSettings>

  <ServerSection>
      <ServerInitialConditions>
            <Time>
                <StartTime>6000</StartTime>
                <AllowPassageOfTime>false</AllowPassageOfTime>
            </Time>
            <Weather>clear</Weather>
            <AllowSpawning>false</AllowSpawning>
      </ServerInitialConditions>
    <ServerHandlers>
      <FlatWorldGenerator generatorString="3;7,220*1,5*3,2;3;,biome_1"/>
      <DrawingDecorator>
        <!-- coordinates for cuboid are inclusive -->
        <DrawCuboid x1="-2" y1="46" z1="-2" x2="7" y2="50" z2="18" type="air" />            <!-- limits of our arena -->
        <DrawCuboid x1="-2" y1="45" z1="-2" x2="7" y2="45" z2="18" type="lava" />           <!-- lava floor -->
        <DrawCuboid x1="1"  y1="45" z1="1"  x2="3" y2="45" z2="12" type="sandstone" />      <!-- floor of the arena -->
        <DrawBlock   x="4"   y="45"  z="1"  type="cobblestone" />                           <!-- the starting marker -->
        <DrawBlock   x="4"   y="45"  z="12" type="lapis_block" />                           <!-- the destination marker -->
        <DrawItem    x="4"   y="46"  z="12" type="diamond" />                               <!-- another destination marker -->
      </DrawingDecorator>
      <ServerQuitFromTimeUp timeLimitMs="1000000"/>
      <ServerQuitWhenAnyAgentFinishes/>
    </ServerHandlers>
  </ServerSection>

  <AgentSection mode="Survival">
    <Name>Cristina</Name>
    <AgentStart>
      <Placement x="4.5" y="46.0" z="1.5" pitch="30" yaw="0"/>
    </AgentStart>
    <AgentHandlers>
      <ObservationFromFullStats/>
      <VideoProducer want_depth="false">
          <Width>640</Width>
          <Height>480</Height>
      </VideoProducer>
      <DiscreteMovementCommands>
          <ModifierList type="deny-list">
            <command>attack</command>
          </ModifierList>
      </DiscreteMovementCommands>
      <RewardForTouchingBlockType>
        <Block reward="-100.0" type="lava" behaviour="onceOnly"/>
        <Block reward="100.0" type="lapis_block" behaviour="onceOnly"/>
      </RewardForTouchingBlockType>
      <RewardForSendingCommand reward="-1"/>
      <AgentQuitFromTouchingBlockType>
          <Block type="lava" />
          <Block type="lapis_block" />
      </AgentQuitFromTouchingBlockType>
    </AgentHandlers>
  </AgentSection>

</Mission>