1 files changed, 160 insertions, 0 deletions
diff --git a/engine/src/core/com/jme3/util/LittleEndien.java b/engine/src/core/com/jme3/util/LittleEndien.java
new file mode 100644
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--- /dev/null
+++ b/engine/src/core/com/jme3/util/LittleEndien.java
@@ -0,0 +1,160 @@
+/*
+ * Copyright (c) 2009-2010 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * 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.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * 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 com.jme3.util;
+
+import java.io.*;
+
+/**
+ * <code>LittleEndien</code> is a class to read littleendien stored data
+ * via a InputStream.  All functions work as defined in DataInput, but
+ * assume they come from a LittleEndien input stream.  Currently used to read .ms3d and .3ds files.
+ * @author Jack Lindamood
+ */
+public class LittleEndien extends InputStream implements DataInput {
+
+    private BufferedInputStream in;
+    private BufferedReader inRead;
+
+    /**
+     * Creates a new LittleEndien reader from the given input stream.  The
+     * stream is wrapped in a BufferedReader automatically.
+     * @param in The input stream to read from.
+     */
+    public LittleEndien(InputStream in) {
+        this.in = new BufferedInputStream(in);
+        inRead = new BufferedReader(new InputStreamReader(in));
+    }
+
+    public int read() throws IOException {
+        return in.read();
+    }
+
+    @Override
+    public int read(byte[] buf) throws IOException {
+        return in.read(buf);
+    }
+
+    @Override
+    public int read(byte[] buf, int off, int len) throws IOException {
+        return in.read(buf, off, len);
+    }
+
+    public int readUnsignedShort() throws IOException {
+        return (in.read() & 0xff) | ((in.read() & 0xff) << 8);
+    }
+
+    /**
+     * read an unsigned int as a long
+     */
+    public long readUInt() throws IOException {
+        return ((in.read() & 0xff)
+                | ((in.read() & 0xff) << 8)
+                | ((in.read() & 0xff) << 16)
+                | (((long) (in.read() & 0xff)) << 24));
+    }
+
+    public boolean readBoolean() throws IOException {
+        return (in.read() != 0);
+    }
+
+    public byte readByte() throws IOException {
+        return (byte) in.read();
+    }
+
+    public int readUnsignedByte() throws IOException {
+        return in.read();
+    }
+
+    public short readShort() throws IOException {
+        return (short) this.readUnsignedShort();
+    }
+
+    public char readChar() throws IOException {
+        return (char) this.readUnsignedShort();
+    }
+
+    public int readInt() throws IOException {
+        return ((in.read() & 0xff)
+                | ((in.read() & 0xff) << 8)
+                | ((in.read() & 0xff) << 16)
+                | ((in.read() & 0xff) << 24));
+    }
+
+    public long readLong() throws IOException {
+        return ((in.read() & 0xff)
+                | ((long) (in.read() & 0xff) << 8)
+                | ((long) (in.read() & 0xff) << 16)
+                | ((long) (in.read() & 0xff) << 24)
+                | ((long) (in.read() & 0xff) << 32)
+                | ((long) (in.read() & 0xff) << 40)
+                | ((long) (in.read() & 0xff) << 48)
+                | ((long) (in.read() & 0xff) << 56));
+    }
+
+    public float readFloat() throws IOException {
+        return Float.intBitsToFloat(readInt());
+    }
+
+    public double readDouble() throws IOException {
+        return Double.longBitsToDouble(readLong());
+    }
+
+    public void readFully(byte b[]) throws IOException {
+        in.read(b, 0, b.length);
+    }
+
+    public void readFully(byte b[], int off, int len) throws IOException {
+        in.read(b, off, len);
+    }
+
+    public int skipBytes(int n) throws IOException {
+        return (int) in.skip(n);
+    }
+
+    public String readLine() throws IOException {
+        return inRead.readLine();
+    }
+
+    public String readUTF() throws IOException {
+        throw new IOException("Unsupported operation");
+    }
+
+    @Override
+    public void close() throws IOException {
+        in.close();
+    }
+
+    @Override
+    public int available() throws IOException {
+        return in.available();
+    }
+}