Game Loop Logic for UNO — play_turns

Handles the main logic of the UNO game by processing each player's turn. This includes checking playable cards, handling drawing from the deck, applying special actions (skip, reverse, +2, wild), and checking for a winner.

Usage

play_turns_loop(hands, deck, discard, direction, turn)

Arguments

hands: A named list of tibbles representing each player's hand.
deck: A tibble of remaining cards to draw from.
discard: A tibble representing the current discard pile.
direction: An integer (1 or -1) to indicate the direction of play.
turn: The starting player number (typically 1).

Value

A list containing:

winner: Name of the winning player (e.g. "Player_3") or NULL if the game ends in a draw
hands: A named list of each player's final hand
discard: A tibble showing the final discard pile, including the full play history. Note: For wild and wild_draw4 cards, the color column reflects the color the player chose when playing the card (e.g. "green wild" means the player played a wild card and chose green).

Details

This function is not typically called directly by the user. Instead, use play_game to run a full game.