/// <summary>
/// Constructs a list of mini-animations from a file stream, starting with the beginning pointer table.
/// </summary>
/// <param name="stream">Stream to read from, starting with a pointer table to sub-mini anims.</param>
public MiniAnimGroup(Stream stream)
{
Pointer = stream.Position;
int firstAnimPointer = int.MaxValue;
while (stream.Position < firstAnimPointer + Pointer)
{
int animationPointer = BNSAFile.ReadIntegerFromStream(stream);
firstAnimPointer = Math.Min(firstAnimPointer, animationPointer); //should only be triggered by the first pointer as it goes ascending.
long nextPosition = stream.Position;
stream.Seek(Pointer + animationPointer, SeekOrigin.Begin); //Move cursor to start of minianim
MiniAnim animation = new MiniAnim(stream, Pointer);
IsValid &= animation.IsValid;
if (!IsValid)
{
break; //Invalid data, stop caring and exit.
}
MiniAnimations.Add(animation);
if (nextPosition < firstAnimPointer + Pointer)
{
//Read the next 4 bytes in the pointer table as its a new pointer
stream.Seek(nextPosition, SeekOrigin.Begin);
}
}
}
public Tileset(Stream stream, int index)
{
Pointer = stream.Position;
Index = index;
Console.WriteLine("Reading Tileset at 0x" + Pointer.ToString("X2"));
BitmapSize = BNSAFile.ReadIntegerFromStream(stream);
BitmapData = new byte[BitmapSize];
stream.Read(BitmapData, 0, BitmapSize);
//Copy Export Memory
stream.Seek(Pointer, SeekOrigin.Begin);
Memory = new byte[BitmapSize + 4];
stream.Read(Memory, 0, BitmapSize + 4);
}
/// <summary>
/// Creates a new frame from the next 0x20 bytes of the given stream.
/// </summary>
/// <param name="stream">Stream to read a frame from</param>
public Frame(Stream stream)
{
Pointer = stream.Position;
TilesetPointer = BNSAFile.ReadIntegerFromStream(stream) + 0x4;
PalettePointer = BNSAFile.ReadIntegerFromStream(stream) + 0x4;
MiniAnimationPointer = BNSAFile.ReadIntegerFromStream(stream) + 0x4;
OAMDataListPointer = BNSAFile.ReadIntegerFromStream(stream) + 0x4;
FrameDelay = (byte)stream.ReadByte();
stream.ReadByte(); //constant 00?
Flags = (byte)stream.ReadByte();
stream.ReadByte(); //constant 00 ?
//Convenience Booleans
EndFrame = (Flags & 0x80) != 0;
Loops = (Flags & 0x40) != 0;
//Copy Memory for Export
stream.Seek(Pointer, SeekOrigin.Begin);
Memory = new byte[20];
stream.Read(Memory, 0, 20);
}
public OAMDataListGroup(Stream stream, int index)
{
Index = index;
Pointer = stream.Position;
Console.WriteLine("--Reading OAM Data List Pointer Table (Group) at 0x" + stream.Position.ToString("X2"));
int firstOAMEntryPointer = int.MaxValue;
while (stream.Position < firstOAMEntryPointer + Pointer)
{
int oamDataEntryPointer = BNSAFile.ReadIntegerFromStream(stream);
firstOAMEntryPointer = Math.Min(firstOAMEntryPointer, oamDataEntryPointer); //should only be triggered by the first pointer as it goes ascending.
long nextPosition = stream.Position; //Address of next pointer in the list
stream.Seek(oamDataEntryPointer + Pointer, SeekOrigin.Begin);
OAMDataList oamDataList = new OAMDataList(stream);
OAMDataLists.Add(oamDataList);
if (nextPosition < firstOAMEntryPointer + Pointer)
{
//Read the next 4 bytes in the pointer table as its a new pointer
stream.Seek(nextPosition, SeekOrigin.Begin);
}
}
}
