Class: AcpcPokerTypes::HandPlayer

Inherits:
Object
  • Object
show all
Defined in:
lib/acpc_poker_types/hand_player.rb

Overview

Class to model a player during a hand from information in a MatchState

Direct Known Subclasses

NilHandPlayer, Player

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hand, initial_stack, ante) ⇒ HandPlayer

Returns a new instance of HandPlayer.

Parameters:

  • hand (Hand)
  • initial_chip_stack (#to_i)
  • ante (#to_i)

Raises:

  • (UnableToPayAnte) 


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# File 'lib/acpc_poker_types/hand_player.rb', line 35

def initialize(hand, initial_stack, ante)
  raise UnableToPayAnte if ante > initial_stack

  @hand = hand
  @initial_stack = ChipStack.new initial_stack
  @ante = ChipStack.new ante
  @actions = [[]]
  @winnings = ChipStack.new 0
end

Instance Attribute Details

#actions ⇒ Array<PokerAction> (readonly)

Returns The actions this player has taken.

Returns:

  • (Array<PokerAction>) —

    The actions this player has taken



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# File 'lib/acpc_poker_types/hand_player.rb', line 28

def actions
  @actions
end

#ante ⇒ AcpcPokerTypes::ChipStack (readonly)

the hand.

Returns:



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# File 'lib/acpc_poker_types/hand_player.rb', line 21

def ante
  @ante
end

#hand ⇒ Hand

holding cards.

Returns:

  • (Hand) —

    This player’s hole cards or nil if this player is not



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# File 'lib/acpc_poker_types/hand_player.rb', line 25

def hand
  @hand
end

#initial_stack ⇒ AcpcPokerTypes::ChipStack (readonly)

hand before paying their ante.

Returns:



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# File 'lib/acpc_poker_types/hand_player.rb', line 17

def initial_stack
  @initial_stack
end

#winnings ⇒ Object

Returns the value of attribute winnings.



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# File 'lib/acpc_poker_types/hand_player.rb', line 30

def winnings
  @winnings
end

Instance Method Details

#==(other_player) ⇒ Object 



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# File 'lib/acpc_poker_types/hand_player.rb', line 45

def ==(other_player)
  @hand == other_player.hand &&
  @initial_stack == other_player.initial_stack &&
  @ante == other_player.ante &&
  @actions == other_player.actions &&
  @winnings == other_player.winnings
end

#all_in? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/acpc_poker_types/hand_player.rb', line 145

def all_in?
  stack <= 0
end

#all_in_allowed?(betting_type, min_wager_by_cost) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/acpc_poker_types/hand_player.rb', line 161

def all_in_allowed?(betting_type, min_wager_by_cost)
  betting_type != GameDefinition::BETTING_TYPES[:limit] && min_wager_by_cost < stack
end

#append_action!(action, round_num = round) ⇒ Object

Raises:

  • (Inactive) 


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# File 'lib/acpc_poker_types/hand_player.rb', line 128

def append_action!(action, round_num = round)
  raise Inactive if inactive?

  while @actions.length <= round_num
    @actions << []
  end

  @actions[round_num] ||= []
  @actions[round_num] << action

  self
end

#balance ⇒ Object 



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# File 'lib/acpc_poker_types/hand_player.rb', line 57

def balance
  @winnings - total_contribution
end

#contributions ⇒ Object 



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# File 'lib/acpc_poker_types/hand_player.rb', line 69

def contributions
  contribution_list = @actions.map do |actions_per_round|
    actions_per_round.inject(0) { |sum, action| sum += action.cost }
  end
  if contribution_list.empty?
    contribution_list << @ante
  else
    contribution_list[0] += @ante
  end

  contribution_list
end

#contributions_before(cur_round = round) ⇒ Object 



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# File 'lib/acpc_poker_types/hand_player.rb', line 61

def contributions_before(cur_round = round)
  if cur_round > 0
    contributions[0..cur_round-1].inject(:+)
  else
    0
  end
end

#folded? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/acpc_poker_types/hand_player.rb', line 149

def folded?
  @actions.flatten.last == PokerAction::FOLD
end

#inactive? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/acpc_poker_types/hand_player.rb', line 141

def inactive?
  folded? || all_in?
end

#legal_actions(in_round: round, amount_to_call: ChipStack.new(0), wager_illegal: false, betting_type: , min_wager_by: ChipStack.new(1)) ⇒ Array<PokerAction>

the smallest and largest possible wagers will be returned in the list.

Parameters:

  • amount_to_call (#to_r) (defaults to: ChipStack.new(0)) —

    The amount to call for this player

  • wager_illegal (Boolean) (defaults to: false)

Returns:

  • (Array<PokerAction>) —

    The list of legal actions for this player. If a wager is legal,



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# File 'lib/acpc_poker_types/hand_player.rb', line 90

def legal_actions(
  in_round: round,
  amount_to_call: ChipStack.new(0),
  wager_illegal: false,
  betting_type: GameDefinition::BETTING_TYPES[:limit],
  min_wager_by: ChipStack.new(1)
)
  l_actions = []
  return l_actions if inactive?

  if amount_to_call.to_r > 0
    l_actions << PokerAction.new(PokerAction::CALL, cost: amount_to_call)
    l_actions << PokerAction.new(PokerAction::FOLD)
  else
    l_actions << PokerAction.new(PokerAction::CHECK)
  end
  if !wager_illegal && wager_allowed_by_stack?(amount_to_call)
    min_wager_by_cost = [min_wager_by + amount_to_call.to_r, stack].min

    add_wager_actions = ->(wager_character) do
      l_actions << PokerAction.new(wager_character, cost: min_wager_by_cost)
      if all_in_allowed?(betting_type, min_wager_by_cost)
        l_actions << PokerAction.new(wager_character, cost: stack)
      end
    end

    if (
      amount_to_call.to_r > 0 || contributions[in_round].to_i > 0
    )
      add_wager_actions.call(PokerAction::RAISE)
    else
      add_wager_actions.call(PokerAction::BET)
    end
  end

  l_actions
end

#round ⇒ Object 



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# File 'lib/acpc_poker_types/hand_player.rb', line 153

def round
  @actions.length - 1
end

#stack ⇒ Object 



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# File 'lib/acpc_poker_types/hand_player.rb', line 53

def stack
  @initial_stack + balance
end

#total_contribution ⇒ Object 



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# File 'lib/acpc_poker_types/hand_player.rb', line 82

def total_contribution
  @ante + @actions.flatten.inject(0) { |sum, action| sum += action.cost }
end

#wager_allowed_by_stack?(amount_to_call) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/acpc_poker_types/hand_player.rb', line 157

def wager_allowed_by_stack?(amount_to_call)
  stack > amount_to_call.to_r
end