public void ProcessResmap(string resmap)
{
/* Ok we actually need 2 files here, this resmap file, which would be named
* Something like RESMAP.000, and the file it respresents RESSCI.000
* we need the later because it contains the actual data, resmap is just a index file.
*/
// Checks
if (!File.Exists(resmap))
{
throw new IOException(string.Format("File {0} does not exist.", resmap));
}
try
{
// First get the path, because both files should be there
this.ResourceDirectoryPath = Path.GetDirectoryName(resmap);
this.ResmapFileName = resmap.Split('\\').Last().ToLower();
string extention = this.ResmapFileName.Split('.').Last().ToLower();
this.RessciFileName = string.Format("ressci.{0}", extention).ToLower();
}
catch (Exception ex) { throw new IOException(string.Format("<Unable to process files {0} and {1}> Error was: {2}", resmap, Path.Combine(this.ResourceDirectoryPath, this.RessciFileName), ex.Message)); }
string ressciFileLocation = Path.Combine(this.ResourceDirectoryPath, this.RessciFileName);
if (!File.Exists(Path.Combine(this.ResourceDirectoryPath, this.RessciFileName)))
{
throw new IOException(string.Format("Ressci File {0} does not exist.", ressciFileLocation));
}
if (!this.ResmapFileName.StartsWith("resmap"))
{
throw new IOException(string.Format("We must read the resmap index file first. Invalid File {0}", this.ResmapFileName));
}
byte[] resmapBytes = null;
byte[] ressciBytes = null;
// Load the files first.
// Resmap
try
{
resmapBytes = File.ReadAllBytes(resmap);
this.resmapReader = new SCI32Tools.Reader(resmapBytes);
}
catch (Exception ex) { throw new IOException(string.Format("<Unable to read Resmap file {0}> Error was: {1}", resmap, ex.Message)); }
//ressci
try
{
ressciBytes = File.ReadAllBytes(ressciFileLocation);
this.ressciReader = new SCI32Tools.Reader(ressciBytes);
}
catch (Exception ex) { throw new IOException(string.Format("<Unable to read Ressci file {0}> Error was: {1}", ressciFileLocation, ex.Message)); }
// Both files are found and loaded into our readers, continue.
// RESMAP first
try
{
byte[] dirs = this.resmapReader.ReadUntilFF();
SCI32Tools.Reader r = new SCI32Tools.Reader(dirs);
while (r.CurrentPosition != r.Length)
{
if (StopProcessing)
{
break;
}
this.Add(new SCI32ResourceDirectory(r.ReadByte(), r.ReadUInt16(), this.ResmapFileName));
}
}
catch (Exception ex) { throw new IOException(string.Format("Unable to build resource directories from {0}, this is a fatal error, cannot continue. Error was {1}", this.ResmapFileName, ex.Message)); }
// we have a good dir load.
this.PopulateResmapResourceData(resmapBytes.Length);
//this.Populate(resmapBytes.Length);
/* Resources are populate now from resmap, need to move onto ressci
* Each resource begins with 1 byte for type so we can match it with ours
* to make sure we are leading the correct resource, then we have 2 bytes for the id
* both to be checked again to make sure we have the right resource, then we have 4
* bytes for the compressed length and 4 for uncompressed.
* Final step if we get passed this we have all data loaded
* compressed or uncompressed.
*/
this.PopulateResmapResources();
}
// Fix this
private void PopulateResmapResourceData(int lengthOfFile)
{
// We have our dir's once we begin at the offset of the first dir, then we load the amount of entires we know
// then move onto the next
// get our first directory, start there work our way on
/*
* SCI32ResourceDirectory dir = this[0];
* this.resmapReader.Seek(dir.Offset, SeekOrigin.Begin);
* // start reading
* while (this.resmapReader.CurrentPosition != this.resmapReader.Length )
* {
* SCI32ResourceType type = SCI32Resource.GetResourceType(this.resmapReader.ReadByte());
* if (TryGetDirectoryByType(type, out dir))
* {
* try
* {
* dir.AddResource(new SCI32Resource(type, this.resmapReader.ReadUInt16(), this.resmapReader.ReadUInt32()));
* }
* catch { SCI32Tools.Messageproxy.WriteLine("Erored"); }
* }
* }
*
*/
// bad
// need to generate the lengths of each data block here, its the prior offset - the next one
long currentOffset = 0;
long nextOffset = 0;
int length = 0;
try
{
for (int i = 0; i < this.Count; i++)
{
currentOffset = this[i].Offset;
if (this.Count >= i + 2)
{
nextOffset = this[i + 1].Offset;
length = (int)(nextOffset - currentOffset);
this[i].DataLength = length;
this[i].Entries = length / 6;
}
else
{
// EOF
nextOffset = (int)resmapReader.Length;
length = (int)(nextOffset - currentOffset);
this[i].DataLength = length;
this[i].Entries = length / 6;
}
}
}
catch (Exception ex) { throw new IOException(string.Format("Unable to parse Resource Directories from file {0}. Error was {1}", this.ResmapFileName, ex.Message)); }
/*
* List<uint> offsets = new List<uint>();
* for (int i = 0; i < this.Count; i++)
* {
* offsets.Add(this[i].Offset);
* }
*
* int processed = 0;
* while (processed != offsets.Count)
* {
* for (int i = 0; i < this.Count; i++)
* {
* SCI32ResourceDirectory dir = this[i];
*
* if (offsets.Count < (i + 1))
* {
* dir.DataLength = (int)(offsets[(i + 1)] - offsets[i]);
* dir.Entries = dir.DataLength / 6;
* }
* else
* {
* dir.DataLength = (int)(lengthOfFile - offsets[i]);
* dir.Entries = dir.DataLength / 6;
* }
* processed++;
* }
* } */
// Second Stage
byte[] resourceData = null;
SCI32Tools.Reader r = null;
for (int i = 0; i < this.Count; i++)
{
SCI32ResourceDirectory sci32Dir = this[i];
try
{
this.resmapReader.Seek(sci32Dir.Offset, SeekOrigin.Begin);
resourceData = this.resmapReader.ReadBytes(sci32Dir.DataLength);
r = new SCI32Tools.Reader(resourceData);
while (r.CurrentPosition != r.Length)
{
if (StopProcessing)
{
break;
}
SCI32Resource res = new SCI32Resource(sci32Dir.Type, r.ReadUInt16(), r.ReadUInt32());
sci32Dir.AddResource(res);
}
}
catch (Exception ex) { throw new IOException(string.Format("Unable to parse Resources from file {0}. Error was {1}", this.ResmapFileName, ex.Message)); }
}
}
