public override ArcFile TryOpen(ArcView file)
{
uint height = file.View.ReadUInt32(4);
uint width = file.View.ReadUInt32(8);
int count = file.View.ReadInt32(12);
if (!IsSaneCount(count))
{
return(null);
}
uint dir_size = file.View.ReadUInt32(20);
uint cur_offset = 24;
uint data_offset = cur_offset + dir_size;
uint data_size = file.View.ReadUInt32(data_offset);
data_offset += 4;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new LwgImageEntry();
entry.PosX = file.View.ReadInt32(cur_offset);
entry.PosY = file.View.ReadInt32(cur_offset + 4);
entry.BPP = file.View.ReadByte(cur_offset + 8);
entry.Offset = data_offset + file.View.ReadUInt32(cur_offset + 9);
entry.Size = file.View.ReadUInt32(cur_offset + 13);
uint name_length = file.View.ReadByte(cur_offset + 17);
string name = file.View.ReadString(cur_offset + 18, name_length);
entry.Name = name + ".wcg";
cur_offset += 18 + name_length;
if (cur_offset > dir_size + 24)
{
return(null);
}
if (entry.Size > 0 && entry.CheckPlacement(data_offset + data_size))
{
dir.Add(entry);
}
}
if (0 == dir.Count)
{
return(null);
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
uint height = file.View.ReadUInt32 (4);
uint width = file.View.ReadUInt32 (8);
int count = file.View.ReadInt32 (12);
if (!IsSaneCount (count))
return null;
uint dir_size = file.View.ReadUInt32 (20);
uint cur_offset = 24;
uint data_offset = cur_offset + dir_size;
uint data_size = file.View.ReadUInt32 (data_offset);
data_offset += 4;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new LwgImageEntry();
entry.PosX = file.View.ReadInt32 (cur_offset);
entry.PosY = file.View.ReadInt32 (cur_offset+4);
entry.BPP = file.View.ReadByte (cur_offset+8);
entry.Offset = data_offset + file.View.ReadUInt32 (cur_offset+9);
entry.Size = file.View.ReadUInt32 (cur_offset+13);
uint name_length = file.View.ReadByte (cur_offset+17);
string name = file.View.ReadString (cur_offset+18, name_length);
entry.Name = name + ".wcg";
cur_offset += 18+name_length;
if (cur_offset > dir_size+24)
return null;
if (entry.CheckPlacement (data_offset + data_size))
dir.Add (entry);
}
return new ArcFile (file, this, dir);
}
