/// <summary>
/// Computes the <seealso cref="ChecksumTable" /> for this cache. The checksum table
/// forms part of the so-called "update keys".
/// </summary>
/// <returns> The <seealso cref="ChecksumTable" />. </returns>
/// <exception cref="IOException"> if an I/O error occurs. </exception>
public ChecksumTable CreateChecksumTable()
{
/* create the checksum table */
var size = store.GetTypeCount();
var table = new ChecksumTable(size);
/* loop through all the reference tables and get their CRC and versions */
for (var i = 0; i < size; i++)
{
var buf = store.Read(255, i);
var crc = 0;
var version = 0;
var whirlpool = new byte[64];
/*
* if there is actually a reference table, calculate the CRC,
* version and whirlpool hash
*/
if (buf.limit() > 0) // some indices are not used, is this appropriate?
{
var @ref = ReferenceTable.Decode(Container.Decode(buf)
.GetData());
crc = ByteBufferExtensions.GetCrcChecksum(buf);
version = @ref.GetVersion();
buf.position(0);
whirlpool = ByteBufferExtensions.GetWhirlpoolDigest(buf);
}
table.SetEntry(i, new ChecksumTable.Entry(crc, version, whirlpool));
}
/* return the table */
return(table);
}
/// <summary>
/// Encodes this index into a byte buffer.
/// </summary>
/// <returns> The buffer. </returns>
public ByteBuffer Encode()
{
var buf = ByteBuffer.allocate(SIZE);
ByteBufferExtensions.PutTriByte(buf, size);
ByteBufferExtensions.PutTriByte(buf, sector);
return((ByteBuffer)buf.flip());
}
/// <summary>
/// Encodes this sector into a <seealso cref="ByteBuffer" />.
/// </summary>
/// <returns> The encoded buffer. </returns>
public ByteBuffer Encode()
{
var buf = ByteBuffer.allocate(SIZE);
buf.putShort((short)id);
buf.putShort((short)chunk);
ByteBufferExtensions.PutTriByte(buf, nextSector);
buf.put((byte)type);
buf.put(data);
return((ByteBuffer)buf.flip());
}
/// <summary>
/// Decodes the specified <seealso cref="ByteBuffer" /> into an <seealso cref="Index" /> object.
/// </summary>
/// <param name="buf"> The buffer. </param>
/// <returns> The index. </returns>
public static Index Decode(ByteBuffer buf)
{
if (buf.remaining() != SIZE)
{
throw new ArgumentException();
}
var size = ByteBufferExtensions.GetTriByte(buf);
var sector = ByteBufferExtensions.GetTriByte(buf);
return(new Index(size, sector));
}
/// <summary>
/// Decodes the specified <seealso cref="ByteBuffer" /> into a <seealso cref="Sector" /> object.
/// </summary>
/// <param name="buf"> The buffer. </param>
/// <returns> The sector. </returns>
public static Sector Decode(ByteBuffer buf)
{
if (buf.remaining() != SIZE)
{
throw new ArgumentException();
}
var id = buf.getShort() & 0xFFFF;
var chunk = buf.getShort() & 0xFFFF;
var nextSector = ByteBufferExtensions.GetTriByte(buf);
var type = buf.get() & 0xFF;
var data = new byte[DATA_SIZE];
buf.get(data);
return(new Sector(type, id, chunk, nextSector, data));
}
/// <summary>
/// Decodes the <seealso cref="Sprite" /> from the specified <seealso cref="ByteBuffer" />.
/// </summary>
/// <param name="buffer"> The buffer. </param>
/// <returns> The sprite. </returns>
public static Sprite Decode(ByteBuffer buffer)
{
/* find the size of this sprite set */
buffer.position(buffer.limit() - 2);
var size = buffer.getShort() & 0xFFFF;
/* allocate arrays to store info */
var offsetsX = new int[size];
var offsetsY = new int[size];
var subWidths = new int[size];
var subHeights = new int[size];
/* read the width, height and palette size */
buffer.position(buffer.limit() - size * 8 - 7);
var width = buffer.getShort() & 0xFFFF;
var height = buffer.getShort() & 0xFFFF;
var palette = new int[(buffer.get() & 0xFF) + 1];
/* and allocate an object for this sprite set */
var set = new Sprite(width, height, size);
/* read the offsets and dimensions of the individual sprites */
for (var i = 0; i < size; i++)
{
offsetsX[i] = buffer.getShort() & 0xFFFF;
}
for (var i = 0; i < size; i++)
{
offsetsY[i] = buffer.getShort() & 0xFFFF;
}
for (var i = 0; i < size; i++)
{
subWidths[i] = buffer.getShort() & 0xFFFF;
}
for (var i = 0; i < size; i++)
{
subHeights[i] = buffer.getShort() & 0xFFFF;
}
/* read the palette */
buffer.position(buffer.limit() - size * 8 - 7 - (palette.Length - 1) * 3);
palette[0] = 0; // transparent colour (black)
for (var index = 1; index < palette.Length; index++)
{
palette[index] = ByteBufferExtensions.GetTriByte(buffer);
if (palette[index] == 0)
{
palette[index] = 1;
}
}
/* read the pixels themselves */
buffer.position(0);
for (var id = 0; id < size; id++)
{
/* grab some frequently used values */
int subWidth = subWidths[id],
subHeight = subHeights[id];
int offsetX = offsetsX[id],
offsetY = offsetsY[id];
/* create a BufferedImage to store the resulting image */
var image = set.frames[id] = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
/* allocate an array for the palette indices */
//JAVA TO C# CONVERTER NOTE: The following call to the 'RectangularArrays' helper class reproduces the rectangular array initialization that is automatic in Java:
//ORIGINAL LINE: int[][] indices = new int[subWidth][subHeight];
var indices = ArrayUtil.ReturnRectangularArray <int>(subWidth, subHeight);
/* read the flags so we know whether to read horizontally or vertically */
var flags = buffer.get() & 0xFF;
/* read the palette indices */
if ((flags & FLAG_VERTICAL) != 0)
{
for (var x = 0; x < subWidth; x++)
{
for (var y = 0; y < subHeight; y++)
{
indices[x][y] = buffer.get() & 0xFF;
}
}
}
else
{
for (var y = 0; y < subHeight; y++)
{
for (var x = 0; x < subWidth; x++)
{
indices[x][y] = buffer.get() & 0xFF;
}
}
}
/* read the alpha (if there is alpha) and convert values to ARGB */
if ((flags & FLAG_ALPHA) != 0)
{
if ((flags & FLAG_VERTICAL) != 0)
{
for (var x = 0; x < subWidth; x++)
{
for (var y = 0; y < subHeight; y++)
{
var alpha = buffer.get() & 0xFF;
image.setRGB(x + offsetX, y + offsetY, alpha << 24 | palette[indices[x][y]]);
}
}
}
else
{
for (var y = 0; y < subHeight; y++)
{
for (var x = 0; x < subWidth; x++)
{
var alpha = buffer.get() & 0xFF;
image.setRGB(x + offsetX, y + offsetY, alpha << 24 | palette[indices[x][y]]);
}
}
}
}
else
{
for (var x = 0; x < subWidth; x++)
{
for (var y = 0; y < subHeight; y++)
{
var index = indices[x][y];
if (index == 0)
{
image.setRGB(x + offsetX, y + offsetY, 0);
}
else
{
image.setRGB(x + offsetX, y + offsetY, (int)(0xFF000000 | palette[index]));
}
}
}
}
}
return(set);
}
/// <param name="buffer">
/// A <seealso cref="ByteBuffer" /> that contains information
/// such as the items location.
/// </param>
/// <returns> a new ItemDefinition. </returns>
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @SuppressWarnings("unused") public static ItemDefinition decode(java.nio.ByteBuffer buffer)
public static ItemDefinition Decode(ByteBuffer buffer)
{
var def = new ItemDefinition();
def.groundOptions = new[]
{
null,
null,
"take",
null,
null
};
def.inventoryOptions = new[]
{
null,
null,
null,
null,
"drop"
};
while (true)
{
var opcode = buffer.get() & 0xFF;
if (opcode == 0)
{
break;
}
if (opcode == 1)
{
def.inventoryModelId = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 2)
{
def.name = ByteBufferExtensions.GetJagexString(buffer);
}
else if (opcode == 4)
{
def.modelZoom = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 5)
{
def.modelRotation1 = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 6)
{
def.modelRotation2 = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 7)
{
def.modelOffset1 = buffer.getShort() & 0xFFFFF;
if (def.modelOffset1 > 32767)
{
def.modelOffset1 -= 65536;
}
def.modelOffset1 <<= 0;
}
else if (opcode == 8)
{
def.modelOffset2 = buffer.getShort() & 0xFFFFF;
if (def.modelOffset2 > 32767)
{
def.modelOffset2 -= 65536;
}
def.modelOffset2 <<= 0;
}
else if (opcode == 11)
{
def.stackable = 1;
}
else if (opcode == 12)
{
def.value = buffer.getInt();
}
else if (opcode == 16)
{
def.membersOnly = true;
}
else if (opcode == 23)
{
def.maleWearModel1 = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 24)
{
def.femaleWearModel1 = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 25)
{
def.maleWearModel2 = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 26)
{
def.femaleWearModel2 = buffer.getShort() & 0xFFFFF;
}
else if (opcode >= 30 && opcode < 35)
{
def.groundOptions[opcode - 30] = buffer.GetJagexString();
}
else if (opcode >= 35 && opcode < 40)
{
def.inventoryOptions[opcode - 35] = buffer.GetJagexString();
}
else if (opcode == 40)
{
var length = buffer.get() & 0xFF;
def.originalModelColors = new short[length];
def.modifiedModelColors = new short[length];
for (var index = 0; index < length; index++)
{
def.originalModelColors[index] = unchecked ((short)(buffer.getShort() & 0xFFFFF));
def.modifiedModelColors[index] = unchecked ((short)(buffer.getShort() & 0xFFFFF));
}
}
else if (opcode == 41)
{
var length = buffer.get() & 0xFF;
def.textureColour1 = new short[length];
def.textureColour2 = new short[length];
for (var index = 0; index < length; index++)
{
def.textureColour1[index] = unchecked ((short)(buffer.getShort() & 0xFFFFF));
def.textureColour2[index] = unchecked ((short)(buffer.getShort() & 0xFFFFF));
}
}
else if (opcode == 42)
{
var length = buffer.get() & 0xFF;
for (var index = 0; index < length; index++)
{
int i = buffer.get();
}
}
else if (opcode == 65)
{
def.unnoted = true;
}
else if (opcode == 78)
{
def.colourEquip1 = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 79)
{
def.colourEquip2 = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 90)
{
var i = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 91)
{
var i = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 92)
{
var i = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 93)
{
var i = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 95)
{
var i = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 96)
{
var i = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 97)
{
def.notedId = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 98)
{
def.notedTemplateId = buffer.getShort() & 0xFFFFF;
}
else if (opcode >= 100 && opcode < 110)
{
if (def.stackableIds == null)
{
def.stackableIds = new int[10];
def.stackableAmounts = new int[10];
}
def.stackableIds[opcode - 100] = buffer.getShort() & 0xFFFFF;
def.stackableAmounts[opcode - 100] = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 110)
{
var i = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 111)
{
var i = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 112)
{
var i = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 113)
{
int i = buffer.get();
}
else if (opcode == 114)
{
var i = buffer.get() * 5;
}
else if (opcode == 115)
{
def.teamId = buffer.get() & 0xFF;
}
else if (opcode == 121)
{
def.lendId = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 122)
{
def.lendTemplateId = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 125)
{
var i = buffer.get() << 0;
var i2 = buffer.get() << 0;
var i3 = buffer.get() << 0;
}
else if (opcode == 126)
{
var i = buffer.get() << 0;
var i2 = buffer.get() << 0;
var i3 = buffer.get() << 0;
}
else if (opcode == 127)
{
var i = buffer.get() & 0xFF;
var i2 = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 128)
{
var i = buffer.get() & 0xFF;
var i2 = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 129)
{
var i = buffer.get() & 0xFF;
var i2 = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 130)
{
var i = buffer.get() & 0xFF;
var i2 = buffer.getShort() & 0xFFFFF;
}
else if (opcode == 132)
{
var len = buffer.get() & 0xFF;
for (var index = 0; index < len; index++)
{
var anInt = buffer.getShort() & 0xFFFFF;
}
}
else if (opcode == 249)
{
var length = buffer.get() & 0xFF;
for (var index = 0; index < length; index++)
{
var stringInstance = buffer.get() == 1;
var key = ByteBufferExtensions.GetTriByte(buffer);
var value = stringInstance ? (object)ByteBufferExtensions.GetJagexString(buffer) : buffer.getInt();
}
}
}
return(def);
}
