From 775394cf6b4a3c6a7e7345affeb45bb34f6e4517 Mon Sep 17 00:00:00 2001
From: "Benjamin J. Culkin" <bjculkin@mix.wvu.edu>
Date: Sat, 2 Jun 2018 17:32:24 -0300
Subject: Finish die rewrite

This adds all of the remaining missing die modifiers, as well as a few
base die types that were missing.
---
 .../main/java/bjc/dicelang/dicev2/ComputedDie.java | 75 ++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 dice/src/main/java/bjc/dicelang/dicev2/ComputedDie.java

(limited to 'dice/src/main/java/bjc/dicelang/dicev2/ComputedDie.java')

diff --git a/dice/src/main/java/bjc/dicelang/dicev2/ComputedDie.java b/dice/src/main/java/bjc/dicelang/dicev2/ComputedDie.java
new file mode 100644
index 0000000..89405fe
--- /dev/null
+++ b/dice/src/main/java/bjc/dicelang/dicev2/ComputedDie.java
@@ -0,0 +1,75 @@
+package bjc.dicelang.dicev2;
+
+import java.util.Random;
+import java.util.function.IntSupplier;
+
+public class ComputedDie extends Die {
+	public final IntSupplier numDice;
+	public final IntSupplier numSides;
+
+	public final boolean rerollSides;
+
+	public ComputedDie(IntSupplier numDice, IntSupplier numSides) {
+		this(numDice, numSides, false);
+	}
+
+	public ComputedDie(IntSupplier numDice, IntSupplier numSides, boolean rerollSides) {
+		super();
+
+		this.numDice  = numDice;
+		this.numSides = numSides;
+
+		this.rerollSides = rerollSides;
+	}
+
+	public ComputedDie(Random rnd, IntSupplier numDice, IntSupplier numSides) {
+		this(rnd, numDice, numSides, false);
+	}
+
+	public ComputedDie(Random rnd, IntSupplier numDice, IntSupplier numSides, boolean rerollSides) {
+		super(rnd);
+
+		this.numDice  = numDice;
+		this.numSides = numSides;
+
+		this.rerollSides = rerollSides;
+	}
+
+	public long[] roll() {
+		int target = numDice.getAsInt();
+		int sides  = numSides.getAsInt();
+
+		long[] res = new long[target];
+
+		for(int i = 0; i < target; i++) {
+			res[i] = rng.nextInt(sides) + 1;
+
+			if(rerollSides) sides = numSides.getAsInt();
+		}
+
+		return res;
+	}
+
+	public long rollSingle() {
+		return rng.nextInt(numSides.getAsInt());
+	}
+
+	/*
+	 * @NOTE
+	 *
+	 * :UnoptimizableDice
+	 *
+	 * Here, we assume that we can't optimize because we have no way
+	 * of knowing that our suppliers will always return the same
+	 * thing. As a matter of fact, they almost always will have that
+	 * behavior, otherwise you wouldn't need ComputedDie.
+	 */
+
+	public boolean canOptimize() {
+		return false;
+	}
+
+	public long optimize() {
+		throw new UnsupportedOperationException("ComputedDie cannot be optimized");
+	}
+}
-- 
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