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use IBinaryStream interface instead of BinaryReader where appropriate.

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This commit is contained in:
morkt
2016-10-16 18:29:54 +04:00
parent 3a1bae1a19
commit df01ce1893
23 changed files with 195 additions and 299 deletions
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89
ArcFormats/ArcKogado.cs
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@@ -341,59 +341,56 @@ namespace GameRes.Formats.Kogado
internal class MarielEncoder
{
public void Unpack (Stream input, byte[] dest, int dest_size)
public void Unpack (IBinaryStream input, byte[] dest, int dest_size)
{
int out_pos = 0;
using (var reader = new BinaryReader (input, Encoding.ASCII, true))
uint bits = 0;
while (dest_size > 0)
{
uint bits = 0;
while (dest_size > 0)
bool carry = 0 != (bits & 0x80000000);
bits <<= 1;
if (0 == bits)
{
bool carry = 0 != (bits & 0x80000000);
bits <<= 1;
if (0 == bits)
{
bits = reader.ReadUInt32();
carry = 0 != (bits & 0x80000000);
bits = (bits << 1) | 1u;
}
int b = input.ReadByte();
bits = input.ReadUInt32();
carry = 0 != (bits & 0x80000000);
bits = (bits << 1) | 1u;
}
int b = input.ReadByte();
if (-1 == b)
break;
if (!carry)
{
dest[out_pos++] = (byte)b;
dest_size--;
continue;
}
int offset = (b & 0x0f) + 1;
int count = ((b >> 4) & 0x0f) + 1;
if (0x0f == count)
{
b = input.ReadByte();
if (-1 == b)
break;
if (!carry)
{
dest[out_pos++] = (byte)b;
dest_size--;
continue;
}
int offset = (b & 0x0f) + 1;
int count = ((b >> 4) & 0x0f) + 1;
if (0x0f == count)
{
b = input.ReadByte();
if (-1 == b)
break;
count = (byte)b;
}
else if (count > 0x0f)
{
count = reader.ReadUInt16();
}
if (offset >= 0x0b)
{
offset -= 0x0b;
offset <<= 8;
offset |= reader.ReadByte();
}
if (count > dest_size)
count = dest_size;
int src = out_pos - offset;
if (src < 0 || src >= out_pos)
break;
Binary.CopyOverlapped (dest, src, out_pos, count);
out_pos += count;
dest_size -= count;
count = (byte)b;
}
else if (count > 0x0f)
{
count = input.ReadUInt16();
}
if (offset >= 0x0b)
{
offset -= 0x0b;
offset <<= 8;
offset |= input.ReadUInt8();
}
if (count > dest_size)
count = dest_size;
int src = out_pos - offset;
if (src < 0 || src >= out_pos)
break;
Binary.CopyOverlapped (dest, src, out_pos, count);
out_pos += count;
dest_size -= count;
}
}
}