Board Game Arena

Code: Select all

	// in setupNewGame
	...
        if (!$individual_game) { // Team game
            // Get the wishes for teams
            $player_table_orders_by_team = self::getWishesForTeams($nbr_players);
            
            if (self::rearrangeNeeded($player_table_orders_by_team)) { // Rearrange is not needed if all is set to Random except a maximum of one player
                // Rearrange the player array so that indicated teammates are facing each other
                $players = self::rearrangePlayersForTeams($players, $player_table_orders_by_team);
            }
        }
        
        ...
        
    function array_key_first(array $arr) {
        foreach($arr as $key => $unused) {
            return $key;
        }
        return NULL;
    }
    
    function getWishesForTeams($nbr_players) {
        $four_players = $nbr_players == 4;
        $player_table_orders_by_team = array();
        
        // Get player teams when specified in the option
        if ($four_players) { // 2 vs 2
            $player_table_orders_by_team[] = array(self::getGameStateValue('team_A1_2vs2'), self::getGameStateValue('team_A2_2vs2'));
            $player_table_orders_by_team[] = array(self::getGameStateValue('team_B1_2vs2'), self::getGameStateValue('team_B2_2vs2'));
        }
        else { // Six players, 2 vs 2 vs 2
            $player_table_orders_by_team[] = array(self::getGameStateValue('team_A1_2vs2vs2'), self::getGameStateValue('team_A2_2vs2vs2'));
            $player_table_orders_by_team[] = array(self::getGameStateValue('team_B1_2vs2vs2'), self::getGameStateValue('team_B2_2vs2vs2'));
            $player_table_orders_by_team[] = array(self::getGameStateValue('team_C1_2vs2vs2'), self::getGameStateValue('team_C2_2vs2vs2'));
        }
        return $player_table_orders_by_team;
    }
    
    function rearrangeNeeded($player_table_orders_by_team) {
        $nb_specified_player_table_orders = 0;
        foreach($player_table_orders_by_team as $player_table_orders_teammates) {
            foreach($player_table_orders_teammates as $player_table_order) {
                if ($player_table_order > 0) { // This player table order has been affected already
                    $nb_specified_player_table_orders++;
                    if ($nb_specified_player_table_orders > 1) {
                        // Two or more players are listed for team creation
                        return true;
                    }
                }
            }
        }
        return false;
    }

    function rearrangePlayersForTeams($players, $player_table_orders_by_team) {
        // The player array has been shuffled. Rearrange it so that it matches the admin wills in the options for team constitution
        $nbr_players = count($players);
        $nb_teams = $nbr_players/2;
        
        // Get the list of player table orders who are not bound to a team yet
        $all_player_table_orders = array();
        for($p=1;$p<=$nbr_players;$p++) {
            $all_player_table_orders[] = $p;
        }
        
        $specified_player_table_orders = array();
        foreach($player_table_orders_by_team as $player_table_orders_teammates) {
            foreach($player_table_orders_teammates as $player_table_order) {
                if ($player_table_order > 0) { // This player table order has been affected already
                    $specified_player_table_orders[] = $player_table_order;
                }
            }
        }
        
        $unsettled_player_table_orders = array_diff($all_player_table_orders, $specified_player_table_orders);
        
        // Shuffle the players not bound to set their teams after that
        shuffle($unsettled_player_table_orders);
        
        // Set the not specified teammates by picking from the not bound players
        for($t=0;$t<$nb_teams;$t++){
            for($i=0;$i<=1;$i++) {
                $player_table_order = $player_table_orders_by_team[$t][$i];
                if ($player_table_order > 0) { // Already set
                    continue;
                }
                
                // Pick the last player from the not bound players
                $player_table_order = array_pop($unsettled_player_table_orders);
                $player_table_orders_by_team[$t][$i] = $player_table_order;
            }
        }
        
        // Build the teams with all player info
        $teams = array();
        for($p=0;$p<$nb_teams;$p++) {
            $player_id = self::array_key_first($players);
            $player = $players[$player_id];
            $player_table_order = $player['player_table_order'];
            $player['player_id'] = $player_id;
            unset($players[$player_id]);
            
            // Find the team of that player
            for($t=0;$t<$nb_teams;$t++){
                for($i=0;$i<=1;$i++) {
                    $current_player_table_order = $player_table_orders_by_team[$t][$i];
                    if ($player_table_order == $current_player_table_order) {
                        $teammate_table_order = $player_table_orders_by_team[$t][1-$i];
                        
                        // Retrieve the full info of the teammate
                        foreach($players as $current_player_id => $current_player) {
                            if ($current_player['player_table_order'] == $teammate_table_order) {
                                $teammate = $current_player;
                                $teammate_id = $current_player_id;
                                $teammate['player_id'] = $teammate_id;
                                break;
                            }
                        }
                        unset($players[$teammate_id]);
                        
                        $teams[] = array($player, $teammate);
                        
                        break 2;
                    }
                }
            }
        }
        
        // Unroll the team array to reflect the new order of the players
        $reordered_players = array();
        for($i=0;$i<=1;$i++) {
            for($t=0;$t<$nb_teams;$t++){
                $player = $teams[$t][$i];
                $player_id = $player['player_id'];
                $reordered_players[$player_id] = $player;
            }
        }
        return $reordered_players;
    }