Module: Kiwi::Internal::Query

Included in:
World
Defined in:
lib/query.rb

Instance Method Summary collapse

Instance Method Details

#query(*componentType) ⇒ Object 



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# File 'lib/query.rb', line 15

def query(*componentType)
  componentIds = componentType.map { |type| type.object_id }

  result = @archStore.compMap
    .filter do |archComponents, _|
      (componentIds - archComponents).empty?
    end
    .flat_map do |_, archId|
      @archStore
        .get(archId)
        .active_components(componentIds)
    end

  if componentType.size == 1
    result = result.map do |c|
      c[0]
    end
  end

  if block_given?
    result.each do |a|
      yield a
    end
  else
    return result.to_enum
  end
end

#query_ids ⇒ enumerator<Integer>

Returns:

  • (enumerator<Integer>) 


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# File 'lib/query.rb', line 5

def query_ids
  if block_given?
    @entityStore.entity_ids.each do |id|
      yield id
    end
  else
    return @entityStore.entity_ids
  end
end

#query_with_ids(*componentType) ⇒ Object 



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# File 'lib/query.rb', line 43

def query_with_ids(*componentType)
  componentIds = componentType.map { |type| type.object_id }

  result = @archStore.compMap
    .filter do |archComponents, _|
      (componentIds - archComponents).empty?
    end
    .flat_map do |_, archId|
      @archStore
        .get(archId)
        .components_and_ids(componentIds)
    end

  if block_given?
    result.each do |a|
      yield a
    end
  else
    return result.to_enum
  end
end