Update #48 - Added some features from OptiFine

sources/main/java/net/optifine/config/RangeListInt.java

@@ -0,0 +1,57 @@
+package net.optifine.config;
+
+public class RangeListInt {
+	private RangeInt[] ranges = new RangeInt[0];
+
+	public RangeListInt() {
+	}
+
+	public RangeListInt(RangeInt ri) {
+		this.addRange(ri);
+	}
+
+	public void addRange(RangeInt ri) {
+		RangeInt[] newRanges = new RangeInt[ranges.length + 1];
+		System.arraycopy(ranges, 0, newRanges, 0, ranges.length);
+		newRanges[ranges.length] = ri;
+		this.ranges = newRanges;
+	}
+
+	public boolean isInRange(int val) {
+		for (int i = 0; i < this.ranges.length; ++i) {
+			RangeInt rangeint = this.ranges[i];
+
+			if (rangeint.isInRange(val)) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	public int getCountRanges() {
+		return this.ranges.length;
+	}
+
+	public RangeInt getRange(int i) {
+		return this.ranges[i];
+	}
+
+	public String toString() {
+		StringBuffer stringbuffer = new StringBuffer();
+		stringbuffer.append("[");
+
+		for (int i = 0; i < this.ranges.length; ++i) {
+			RangeInt rangeint = this.ranges[i];
+
+			if (i > 0) {
+				stringbuffer.append(", ");
+			}
+
+			stringbuffer.append(rangeint.toString());
+		}
+
+		stringbuffer.append("]");
+		return stringbuffer.toString();
+	}
+}