private void ReadRdbObjects(BinaryReader reader, ref DFBlock.RdbObjectRoot objectRoot)
{
// Go to root of object linked list
reader.BaseStream.Position = objectRoot.RootOffset;
// Iterate through RDB objects linked list to build managed
// array and collect baseline information about all objects.
int index = 0;
while (true)
{
// Read object data
objectRoot.RdbObjects[index].This = (Int32)reader.BaseStream.Position;
objectRoot.RdbObjects[index].Next = reader.ReadInt32();
objectRoot.RdbObjects[index].Previous = reader.ReadInt32();
objectRoot.RdbObjects[index].Index = index;
objectRoot.RdbObjects[index].XPos = reader.ReadInt32();
objectRoot.RdbObjects[index].YPos = reader.ReadInt32();
objectRoot.RdbObjects[index].ZPos = reader.ReadInt32();
objectRoot.RdbObjects[index].Type = (DFBlock.RdbResourceTypes)reader.ReadByte();
objectRoot.RdbObjects[index].ResourceOffset = reader.ReadUInt32();
objectRoot.RdbObjects[index].Resources.ModelResource.ActionResource.PreviousObjectOffset = -1;
objectRoot.RdbObjects[index].Resources.ModelResource.ActionResource.NextObjectIndex = -1;
// Exit if finished
if (objectRoot.RdbObjects[index].Next < 0)
{
break;
}
// Go to next offset in list
reader.BaseStream.Position = objectRoot.RdbObjects[index].Next;
// Increment index
index++;
}
// Iterate through managed array to read specific resources for each object
for (int i = 0; i < objectRoot.RdbObjects.Length; i++)
{
// Read resource-specific data
switch (objectRoot.RdbObjects[i].Type)
{
case DFBlock.RdbResourceTypes.Model:
ReadRdbModelResource(reader, ref objectRoot.RdbObjects[i], objectRoot.RdbObjects);
break;
case DFBlock.RdbResourceTypes.Flat:
ReadRdbFlatResource(reader, ref objectRoot.RdbObjects[i]);
break;
case DFBlock.RdbResourceTypes.Light:
ReadRdbLightResource(reader, ref objectRoot.RdbObjects[i]);
break;
default:
throw (new Exception("Unknown RDB resource type encountered."));
}
}
}
private int CountRdbObjects(BinaryReader reader, ref DFBlock.RdbObjectRoot objectRoot)
{
// Go to root of object linked list
reader.BaseStream.Position = objectRoot.RootOffset;
// Count objects in list
int objectCount = 0;
while (true)
{
// Increment object count
objectCount++;
// Get next position and exit if finished
long next = reader.ReadInt32();
if (next < 0)
{
break;
}
// Go to next offset in list
reader.BaseStream.Position = next;
}
return(objectCount);
}
