Moved examples

1 files changed, 100 insertions, 0 deletions

diff --git a/dice-lang/src/bjc/dicelang/CompoundDice.java b/dice-lang/src/bjc/dicelang/CompoundDice.java
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+++ b/dice-lang/src/bjc/dicelang/CompoundDice.java
@@ -0,0 +1,100 @@
+package bjc.dicelang;
+
+/**
+ * Implements a "compound dice"
+ * 
+ * To explain, a compound dice is something like a d100 composed from two
+ * d10s instead of a hundred sided die.
+ * 
+ * @author ben
+ *
+ */
+public class CompoundDice implements IDiceExpression {
+	/**
+	 * The left die of the expression
+	 */
+	private IDiceExpression	leftDice;
+
+	/**
+	 * The right die of the expression
+	 */
+	private IDiceExpression	rightDice;
+
+	/**
+	 * Create a new compound dice using the specified dice
+	 * 
+	 * @param left
+	 *            The die to use on the left
+	 * @param right
+	 *            The die to use on the right
+	 */
+	public CompoundDice(IDiceExpression left, IDiceExpression right) {
+		this.leftDice = left;
+		this.rightDice = right;
+	}
+
+	/**
+	 * Create a new compound dice from two dice strings
+	 * 
+	 * @param leftExp
+	 *            The left side dice as a string
+	 * @param rightExp
+	 *            The right side dice as a string
+	 */
+	public CompoundDice(String leftExp, String rightExp) {
+		this(ComplexDice.fromString(leftExp),
+				ComplexDice.fromString(rightExp));
+	}
+
+	/**
+	 * Create a new compound dice from an array of dice strings
+	 * 
+	 * @param exps
+	 *            An array of two dice strings
+	 */
+	public CompoundDice(String[] exps) {
+		this(exps[0], exps[1]);
+	}
+
+	@Override
+	public boolean canOptimize() {
+		return leftDice.canOptimize() && rightDice.canOptimize();
+	}
+
+	@Override
+	public int optimize() {
+		if (!canOptimize()) {
+			throw new UnsupportedOperationException(
+					"Cannot optimize this compound dice. "
+							+ "Both component dice must be optimizable"
+							+ " to optimize a compound dice");
+		}
+
+		return Integer
+				.parseInt(leftDice.optimize() + "" + rightDice.optimize());
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see bjc.utils.dice.IDiceExpression#roll()
+	 */
+	@Override
+	public int roll() {
+		/*
+		 * Make the combination of the two dice
+		 */
+		return Integer.parseInt(leftDice.roll() + "" + rightDice.roll());
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see java.lang.Object#toString()
+	 */
+	@Override
+	public String toString() {
+		return "compound[l=" + leftDice.toString() + ", r="
+				+ rightDice.toString() + "]";
+	}
+}
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