private void Unpack()
{
if (_FILEPATH == null) return;
using (FileStream fs = new FileStream(_FILEPATH, FileMode.Open))
{
int fileNum = fs.extractPiece(0, 4, 4).extractInt32() + 1;
int headerSize = fs.extractPiece(0, 4).extractInt32() * 0x800;
int[] offsets = new int[fileNum];
string fileName = Path.GetFileNameWithoutExtension(_FILEPATH);
byte[] data;
MemoryStream header = new MemoryStream(fs.extractPiece(0, headerSize, 0));
header.Position = 8;
for (int i = 0; i < fileNum; i++)
{
offsets[i] = header.extractPiece(0, 4).extractInt32() * 0x800;
_INDEX.Add(new Indexes(offsets[i]));
}
string basePath = Path.Combine(Path.GetDirectoryName(_FILEPATH), fileName);
for (int i = 0; i < fileNum - 1; i++)
{
List<TreeNode> tn = new List<TreeNode>();
data = fs.extractPiece(0, offsets[i + 1] - offsets[i]);
if (data[3] == 0x01 && data[2] < 0x10)
{
int timNum = data.extractInt32(4);
int[] timOffsets = new int[timNum + 1];
for (int x = 0; x < timNum; x++)
{
timOffsets[x] = (data.extractInt32((4 * x) + 8) * 4) + 4;
_INDEX[i].subOffsets.Add(timOffsets[x]);
}
_INDEX[i].subOffsets.Add(data.Length);
timOffsets[timOffsets.Length - 1] = data.Length;
for (int x = 0; x < timOffsets.Length - 1; x++)
{
string timPath = Path.Combine(basePath, String.Format("{0}_{1}", fileName, i));
string ext = (data[timOffsets[x]] == 0x10) ? "TIM" : "BIN";
TreeNode tree = new TreeNode(String.Format("{0}_{1}_{2}.{3}", fileName, i, x, ext));
if (ext == "TIM")
{
tree.ImageIndex = tree.SelectedImageIndex = 1;
tree.Tag = x;
tn.Add(tree);
}
}
}
if (tn != null && tn.Count > 0)
{
TreeNode tree = new TreeNode(String.Format("{0}_{1}.BIN", fileName, i), tn.ToArray());
tree.Tag = i;
treeView1.Nodes.Add(tree);
}
}
}
}
void CreateTIM()
{
if (_INDEX.Count == 0) return;
if (treeView1.SelectedNode != null && treeView1.SelectedNode.Parent != null)
{
if (treeView1.SelectedNode.SelectedImageIndex == 0) return;
using (FileStream fs = new FileStream(_FILEPATH, FileMode.Open))
{
if (_INDEX.Count == 0) return;
int parentIndex = (int)treeView1.SelectedNode.Parent.Tag;
int childrenIndex = (int)treeView1.SelectedNode.Tag;
int size = _INDEX[parentIndex].subOffsets[childrenIndex + 1] - _INDEX[parentIndex].subOffsets[childrenIndex];
int offset = _INDEX[parentIndex].offset + _INDEX[parentIndex].subOffsets[childrenIndex];
tim = new TIM(fs.extractPiece(0, size, offset));
changeBPP(bitpp[tim.bpp]);
}
}
ShowTIM();
}
