// awful code
public override BaseLevel Parse(string name, byte[] buffer)
{
if (!buffer.Take(MAGIC.Length).SequenceEqual(MAGIC))
{
throw new InvalidDataException("Bad magic.");
}
buffer = buffer.Skip(MAGIC.Length).ToArray();
byte version = buffer[0];
buffer = buffer.Skip(1).ToArray();
byte[] buffer0 = buffer.Take(2).ToArray();
Array.Reverse(buffer0);
ushort width = BitConverter.ToUInt16(buffer0);
buffer = buffer.Skip(2).ToArray();
buffer0 = buffer.Take(2).ToArray();
Array.Reverse(buffer0);
ushort height = BitConverter.ToUInt16(buffer0);
buffer = buffer.Skip(2).ToArray();
ushort[] spawnCoordinates = new ushort[2];
List <BaseBlock> blocks;
List <BaseEntity> entities;
ushort x;
ushort y;
switch (version)
{
case 1:
spawnCoordinates[0] = (ushort)Math.Floor(width / 2d);
spawnCoordinates[1] = (ushort)Math.Floor(height / 2d);
blocks = new List <BaseBlock>();
entities = new List <BaseEntity>();
while (buffer.Length > 0)
{
buffer0 = buffer.Take(2).ToArray();
Array.Reverse(buffer0);
x = BitConverter.ToUInt16(buffer0);
buffer = buffer.Skip(2).ToArray();
buffer0 = buffer.Take(2).ToArray();
Array.Reverse(buffer0);
y = BitConverter.ToUInt16(buffer0);
buffer = buffer.Skip(2).ToArray();
byte id = buffer[0];
byte data = buffer[1];
buffer = buffer.Skip(2).ToArray();
blocks.Add(BlockRepository.CreateFromId(id, x, y, data));
entities.Add(null);
}
break;
case 2:
buffer0 = buffer.Take(2).ToArray();
Array.Reverse(buffer0);
x = BitConverter.ToUInt16(buffer0);
buffer = buffer.Skip(2).ToArray();
buffer0 = buffer.Take(2).ToArray();
Array.Reverse(buffer0);
y = BitConverter.ToUInt16(buffer0);
buffer = buffer.Skip(2).ToArray();
spawnCoordinates[0] = x;
spawnCoordinates[1] = y;
blocks = new List <BaseBlock>();
entities = new List <BaseEntity>();
while (!buffer.Take(ENTITIES_START_MAGIC.Length).ToArray().SequenceEqual(ENTITIES_START_MAGIC))
{
buffer0 = buffer.Take(2).ToArray();
Array.Reverse(buffer0);
x = BitConverter.ToUInt16(buffer0);
buffer = buffer.Skip(2).ToArray();
buffer0 = buffer.Take(2).ToArray();
Array.Reverse(buffer0);
y = BitConverter.ToUInt16(buffer0);
buffer = buffer.Skip(2).ToArray();
byte id = buffer[0];
byte data = buffer[1];
buffer = buffer.Skip(2).ToArray();
blocks.Add(BlockRepository.CreateFromId(id, x, y, data));
entities.Add(null);
}
buffer = buffer.Skip(ENTITIES_START_MAGIC.Length).ToArray();
while (buffer.Length > 0)
{
buffer0 = buffer.Take(2).ToArray();
Array.Reverse(buffer0);
x = BitConverter.ToUInt16(buffer0);
buffer = buffer.Skip(2).ToArray();
buffer0 = buffer.Take(2).ToArray();
Array.Reverse(buffer0);
y = BitConverter.ToUInt16(buffer0);
buffer = buffer.Skip(2).ToArray();
byte id = buffer[0];
byte data = buffer[1];
buffer = buffer.Skip(2).ToArray();
int index = (y * width) + x;
entities[index] = EntityRepository.CreateFromId(id, x, y, data);
}
break;
default:
throw new InvalidDataException("Unknown version.");
}
return(new BaseLevel(name, width, height, blocks, entities, spawnCoordinates));
}