private void WriteRoomBitmaps(BinaryWriter writer, int roomVersion)
{
if (roomVersion >= 5)
{
AGSGraphics.WriteLZ77Image(writer, Background.MainBackground, Background.BytesPerPixel);
}
else
{
AGSGraphics.WriteAllegroImage(writer, Background.MainBackground);
}
AGSGraphics.WriteAllegroImage(writer, Background.RegionsMask);
AGSGraphics.WriteAllegroImage(writer, Background.WalkableAreasMask);
AGSGraphics.WriteAllegroImage(writer, Background.WalkbehindAreasMask);
AGSGraphics.WriteAllegroImage(writer, Background.HotspotsMask);
}
public void WriteBlock(BinaryWriter writer, int roomVersion)
{
writer.Write((byte)Frames.Count);
writer.Write((byte)AnimationSpeed);
if (roomVersion >= 20) // ???
{
Debug.Assert(PaletteShareFlags.Length == Frames.Count);
writer.Write((byte[])PaletteShareFlags);
}
for (int i = 1; i < Frames.Count; ++i)
{
AGSGraphics.WriteLZ77Image(writer, Frames[i], BytesPerPixel);
}
}
private void ReadRoomBitmaps(BinaryReader reader, int roomVersion)
{
if (roomVersion >= 5) // ???
{
Background.Frames.Add(AGSGraphics.ReadLZ77Image(reader, Background.BytesPerPixel));
}
else
{
Background.Frames.Add(AGSGraphics.ReadAllegroImage(reader));
}
Background.RegionsMask = AGSGraphics.ReadAllegroImage(reader);
Background.WalkableAreasMask = AGSGraphics.ReadAllegroImage(reader);
Background.WalkbehindAreasMask = AGSGraphics.ReadAllegroImage(reader);
Background.HotspotsMask = AGSGraphics.ReadAllegroImage(reader);
}
//NOTE(adm244): make sure that this block is read AFTER the main block,
// since main block stores BytesPerPixel value and it is required here
// to read the image data correctly
public void ReadBlock(BinaryReader reader, int roomVersion)
{
byte framesCount = reader.ReadByte();
AnimationSpeed = reader.ReadByte();
if (roomVersion >= 20)
{
PaletteShareFlags = reader.ReadBytes(framesCount);
}
for (int i = 1; i < framesCount; ++i)
{
Frames.Add(AGSGraphics.ReadLZ77Image(reader, BytesPerPixel));
}
Debug.Assert(Frames.Count >= framesCount);
}
