/// <summary>
/// Loads GlobalB file and disassembles its blocks
/// </summary>
/// <param name="GlobalB_dir">Directory of the game.</param>
/// <param name="db">Database of classes.</param>
/// <returns>True if success.</returns>
public static unsafe bool LoadGlobalB(string GlobalB_dir, Database.Underground2 db)
{
GlobalB_dir += @"\GLOBAL\GlobalB.lzc";
// Get everything from GlobalB.lzc
try
{
db._GlobalBLZC = File.ReadAllBytes(GlobalB_dir);
Log.Write("Reading data from GlobalB.lzc...");
}
catch (Exception e)
{
while (e.InnerException != null)
{
e = e.InnerException;
}
if (Process.MessageShow)
{
MessageBox.Show($"Error occured: {e.Message}", "Failure", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
Console.WriteLine(e.Message);
}
return(false);
}
// Decompress if compressed
db._GlobalBLZC = JDLZ.Decompress(db._GlobalBLZC);
// Use pointers to speed up process
fixed(byte *byteptr_t = &db._GlobalBLZC[0])
{
uint offset = 0; // to calculate current offset
uint ID = 0; // to get the ID of the block being read
uint size = 0; // to get the size of the block being read
uint proff = 0; // offset of the preset rides block
uint prsize = 0; // size of the preset rides block
uint troff = 0; // offset of the tracks block
uint trsize = 0; // size of the tracks block
uint csoff = 0; // offset of the carskins block
uint cssize = 0; // size of the carskins block
uint gcoff = 0xFFFFFFFF; // offset of the gcareerinfo block
while (offset < db._GlobalBLZC.Length)
{
ID = *(uint *)(byteptr_t + offset); // read ID
size = *(uint *)(byteptr_t + offset + 4); // read size
if (offset + size > db._GlobalBLZC.Length)
{
if (Process.MessageShow)
{
MessageBox.Show("GlobalB: unable to read beyond the stream.", "Failure");
}
else
{
Console.WriteLine("GlobalB: unable to read beyond the stream.");
}
return(false);
}
switch (ID)
{
case Global.Materials:
E_Material(byteptr_t + offset, db);
break;
case Global.TPKBlocks:
int count = db.TPKBlocks.Length;
db.TPKBlocks.Collections.Add(new TPKBlock(byteptr_t + offset, count, db));
break;
case Global.CarTypeInfo:
E_CarTypeInfo(byteptr_t + offset + 8, size, db);
break;
case Global.PresetRides:
proff = offset + 8;
prsize = size;
break;
case Global.CarParts:
E_CarParts(byteptr_t + offset + 8, size, db);
break;
case Global.SunInfos:
E_SunInfo(byteptr_t + offset + 8, size, db);
break;
case Global.Tracks:
troff = offset + 8;
trsize = size;
break;
case Global.CarSkins:
csoff = offset + 8;
cssize = size;
break;
case Global.SlotTypes:
E_SlotType(byteptr_t + offset, size + 8, db);
break;
case Global.CareerInfo:
if (gcoff == 0xFFFFFFFF)
{
gcoff = offset;
}
break;
case Global.AcidEffects:
E_AcidEffects(byteptr_t + offset + 8, size, db);
break;
case Global.FEngFiles:
case Global.FNGCompress:
E_FNGroup(byteptr_t + offset, size + 8, db);
break;
default:
break;
}
offset += 8 + size; // advance in offset
}
// Track, Presets and CarSkins are last one to disperse
E_Tracks(byteptr_t + troff, trsize, db);
E_PresetRides(byteptr_t + proff, prsize, db);
E_CarSkins(byteptr_t + csoff, cssize, db);
CareerManager.Disassemble(byteptr_t + gcoff, db);
}
// Disperse spoilers across cartypeinfo
E_SpoilMirrs(db);
return(true);
}