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62 lines
1.6 KiB
PHP
62 lines
1.6 KiB
PHP
<?php
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namespace Vichan\Functions\Dice;
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/* Die rolling:
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* If "dice XdY+/-Z" is in the email field (where X or +/-Z may be
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* missing), X Y-sided dice are rolled and summed, with the modifier Z
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* added on. The result is displayed at the top of the post.
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*/
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function email_dice_roll($post) {
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global $config;
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if(strpos(strtolower($post->email), 'dice%20') === 0) {
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$dicestr = str_split(substr($post->email, strlen('dice%20')));
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// Get params
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$diceX = '';
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$diceY = '';
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$diceZ = '';
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$curd = 'diceX';
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for($i = 0; $i < count($dicestr); $i ++) {
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if(is_numeric($dicestr[$i])) {
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$$curd .= $dicestr[$i];
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} else if($dicestr[$i] == 'd') {
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$curd = 'diceY';
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} else if($dicestr[$i] == '-' || $dicestr[$i] == '+') {
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$curd = 'diceZ';
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$$curd = $dicestr[$i];
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}
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}
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// Default values for X and Z
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if($diceX == '') {
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$diceX = '1';
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}
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if($diceZ == '') {
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$diceZ = '+0';
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}
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// Intify them
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$diceX = intval($diceX);
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$diceY = intval($diceY);
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$diceZ = intval($diceZ);
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// Continue only if we have valid values
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if($diceX > 0 && $diceY > 0) {
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$dicerolls = array();
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$dicesum = $diceZ;
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for($i = 0; $i < $diceX; $i++) {
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$roll = rand(1, $diceY);
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$dicerolls[] = $roll;
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$dicesum += $roll;
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}
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// Prepend the result to the post body
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$modifier = ($diceZ != 0) ? ((($diceZ < 0) ? ' - ' : ' + ') . abs($diceZ)) : '';
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$dicesum = ($diceX > 1) ? ' = ' . $dicesum : '';
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$post->body = '<table class="diceroll"><tr><td><img src="'.$config['dir']['static'].'d10.svg" alt="Dice roll" width="24"></td><td>Rolled ' . implode(', ', $dicerolls) . $modifier . $dicesum . '</td></tr></table><br/>' . $post->body;
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}
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}
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}
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