@startuml
'https://plantuml.com/object-diagram

object Mech <<Mech>>
abstract Area <<Zone>> {
    next_area: Area
    item_lines: #
    armor: #
}
abstract AreaItem <<Item>> {
    item_lines: #
}

object InnerStructure <<InnerStructure>> {
    heater: x
}

object OuterAmor <<Zone>> {
    armor: #
}

object Head <<Area>> {
    item_lines: 6
}

object Torso <<Area>> {
    item_lines: 12
}

object SideTorso <<Area>> {
    item_lines: 12
}

object Arm <<Area>> {
    item_lines: 12
}

object Leg <<Area>> {
    item_lines: 6
}

Area *- "1,*" OuterAmor
AreaItem "*" -* Area

Head <|-- Area
Torso <|-- Area
SideTorso <|-- Area
Arm <|-- Area
Leg <|-- Area

Mech *-- InnerStructure
InnerStructure *-- Head
InnerStructure *-- Torso
Torso *-- SideTorso
SideTorso *-- "0|2" Arm
SideTorso *-- "2|4" Leg

@enduml