Class: Pool

Inherits:
Object show all
Includes:
FromHash
Defined in:
lib/ascension/pool.rb

Instance Method Summary collapse

Instance Method Details

#can_purchase?(card) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ascension/pool.rb', line 19

def can_purchase?(card)
  remaining = card.rune_cost
  raise "bad rune cost #{card.name}" unless remaining
  if card.mechana? && card.construct?
    remaining = use_rune_type(:mechana_runes,remaining,false)
  end
  if card.construct?
    remaining = use_rune_type(:construct_runes,remaining,false)
  end
  if remaining > 0
    remaining = use_rune_type(:runes,remaining,false)
  end
  remaining == 0
end

#deplete_runes(card) ⇒ Object 



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# File 'lib/ascension/pool.rb', line 33

def deplete_runes(card)
  remaining = card.rune_cost
  if card.mechana? && card.construct?
    remaining = use_rune_type(:mechana_runes,remaining)
  end
  if card.construct?
    remaining = use_rune_type(:construct_runes,remaining)
  end
  if remaining > 0
    remaining = use_rune_type(:runes,remaining)
  end
  raise "not enough runes" if remaining > 0
end

#to_s ⇒ Object 



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# File 'lib/ascension/pool.rb', line 46

def to_s
  "#{runes} (#{mechana_runes}) / #{power}"
end

#use_rune_type(type, max, modify = true) ⇒ Object 



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# File 'lib/ascension/pool.rb', line 8

def use_rune_type(type, max, modify=true)
  raise "bad max" unless max
  pool = send(type)
  if max >= pool
    send("#{type}=",0) if modify
    max - pool
  else
    send("#{type}=",pool - max) if modify
    0
  end
end