knowledge.xml

Introduction to 3d game engine design一书的源代码！

<?xml version="1.0"?><Knowledge>
    <Fact>
        <name>race started</name>
        <Value>0.0</Value>
    </Fact>
    <Fact>
        <name>collision ahead</name>
        <Value>0.0</Value>
    </Fact>
    <Fact>
        <name>race over</name>
        <Value>0.0</Value>
    </Fact>
    <StateName>
        <name>Idle</name>
    </StateName>
    <StateName>
        <name>Race</name>
    </StateName>
    <StateName>
        <name>Evade</name>
    </StateName>
    <StateDefinition>
        <name>Idle</name>
        <Transitioner>
           <Target>Race</Target>
           <Expression>
              <AndValues>true</AndValues>
              <Logic>
                 <Fact1>race started</Fact1>
                 <Operator>True</Operator>
                 <Fact2>null</Fact2>
              </Logic>
           </Expression>
        </Transitioner>
    </StateDefinition>
    <StateDefinition>
        <name>Race</name>
        <Transitioner>
           <Target>Idle</Target>
           <Expression>
              <AndValues>true</AndValues>
              <Logic>
                 <Fact1>race over</Fact1>
                 <Operator>True</Operator>
                 <Fact2>null</Fact2>
              </Logic>
           </Expression>
        </Transitioner>
        <Transitioner>
           <Target>Evade</Target>
           <Expression>
              <AndValues>true</AndValues>
              <Logic>
                 <Fact1>collision ahead</Fact1>
                 <Operator>True</Operator>
                 <Fact2>null</Fact2>
              </Logic>
              <Logic>
                 <Fact1>race started</Fact1>
                 <Operator>True</Operator>
                 <Fact2>null</Fact2>
              </Logic>
              <Logic>
                 <Fact1>race over</Fact1>
                 <Operator>False</Operator>
                 <Fact2>null</Fact2>
              </Logic>
           </Expression>
        </Transitioner>
    </StateDefinition>
    <StateDefinition>
        <name>Evade</name>
    </StateDefinition>
</Knowledge>