cache: add varbit definition and loader

cache/src/main/java/net/runelite/cache/definitions/VarbitDefinition.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2017, Adam <Adam@sigterm.info>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.runelite.cache.definitions;
+
+public class VarbitDefinition
+{
+	private int id;
+	private int index;
+	private int leastSignificantBit;
+	private int mostSignificantBit;
+
+	public int getId()
+	{
+		return id;
+	}
+
+	public void setId(int id)
+	{
+		this.id = id;
+	}
+
+	public int getIndex()
+	{
+		return index;
+	}
+
+	public void setIndex(int index)
+	{
+		this.index = index;
+	}
+
+	public int getLeastSignificantBit()
+	{
+		return leastSignificantBit;
+	}
+
+	public void setLeastSignificantBit(int leastSignificantBit)
+	{
+		this.leastSignificantBit = leastSignificantBit;
+	}
+
+	public int getMostSignificantBit()
+	{
+		return mostSignificantBit;
+	}
+
+	public void setMostSignificantBit(int mostSignificantBit)
+	{
+		this.mostSignificantBit = mostSignificantBit;
+	}
+}

cache/src/main/java/net/runelite/cache/definitions/loaders/VarbitLoader.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2017, Adam <Adam@sigterm.info>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.runelite.cache.definitions.loaders;
+
+import net.runelite.cache.definitions.VarbitDefinition;
+import net.runelite.cache.io.InputStream;
+
+public class VarbitLoader
+{
+	public VarbitDefinition load(int id, byte[] b)
+	{
+		VarbitDefinition def = new VarbitDefinition();
+		InputStream is = new InputStream(b);
+
+		def.setId(id);
+
+		for (;;)
+		{
+			int opcode = is.readUnsignedByte();
+			if (opcode == 0)
+			{
+				break;
+			}
+
+			if (opcode == 1)
+			{
+				def.setIndex(is.readUnsignedShort());
+				def.setLeastSignificantBit(is.readUnsignedByte());
+				def.setMostSignificantBit(is.readUnsignedByte());
+			}
+		}
+
+		return def;
+	}
+}