Created
February 21, 2014 19:40
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Dice Roller
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| import javax.swing.JOptionPane | |
| // for: http://www.raymondcamden.com/index.cfm/2014/2/21/Friday-Puzzler-Rolling-the-die | |
| class DiceRoller { | |
| static Random random = new Random() | |
| static void main( String[] args ) { | |
| String roller = JOptionPane.&showInputDialog "Enter your roll:" | |
| String message | |
| if( !validateRoller( roller ) ) { | |
| message = "Your roll was invalid. Please enter a properly formatted roll." | |
| JOptionPane.showMessageDialog( null, message, "Error!", 2 ) | |
| main() | |
| } else { | |
| Map rolls = roll( roller ); | |
| message = """Total: ${rolls.final} | |
| Individual rolls: ${rolls.rolls.join(', ')}""" | |
| JOptionPane.showMessageDialog( null, message, "Roll Results", 1 ) | |
| } | |
| } | |
| static Map roll( String roller ) { | |
| Map rolls = [ final: 0, rolls: [] ] | |
| ArrayList params = roller.split(/d|\+|-/).collect { Integer.parseInt( it ) } | |
| Integer count = params[ 0 ] | |
| Integer sides = params [ 1 ] | |
| Integer modifier = params[ 2 ] ?: 0; | |
| if( modifier != 0 ) { | |
| modifier = roller.contains("-") ? -modifier : modifier | |
| } | |
| (1..count).each { | |
| Integer thisRoll = actualRoll( sides ) | |
| rolls.rolls << thisRoll | |
| rolls.final += thisRoll | |
| } | |
| rolls.final += modifier | |
| rolls | |
| } | |
| private static Integer actualRoll( Integer sides ) { | |
| random.nextInt( sides ) + 1 | |
| } | |
| private static Boolean validateRoller( String roller ) { | |
| Integer rollerSize = roller.split(/d|\+|-/).size() | |
| rollerSize > 1 && rollerSize <= 3 | |
| } | |
| } |
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