BuildingType
    name = "BLD_SHIPYARD_AST_REF"
    description = "BLD_SHIPYARD_AST_REF_DESC"
    buildcost = 500 * [[BUILDING_COST_MULTIPLIER]]
    buildtime = 5
    location = And [
        Planet
        Not Contains Building name = "BLD_SHIPYARD_AST_REF"
        Planet type = Asteroids
        OwnedBy empire = Source.Owner
        [[LOCATION_ALLOW_BUILD_IF_PREREQ_ENQUEUED(BLD_SHIPYARD_AST)]]
    ]
    enqueuelocation = [[ENQUEUE_BUILD_ONE_PER_PLANET]]
    effectsgroups = [
        [[SPECIES_LIKES_OR_DISLIKES_BUILDING_STABILITY_EFFECTS]]

        EffectsGroup
            scope = Source
            activation = Not Planet type = Asteroids
            effects = Destroy
    ]
    icon = "icons/building/shipyard-6.png"

#include "/scripting/macros/enqueue.macros"
#include "/scripting/macros/base_prod.macros"
#include "/scripting/buildings/buildings.macros"