public TextureFooterData ConvertBackTo(Func <string, ISpriteImageSource> imageLoader, TextureFooterData back)
{
back.UvscList.Clear();
back.UvscList.AddRange(UvscList);
back.TextureAnimationList.Clear();
back.TextureAnimationList.AddRange(
TextureAnimationList
.Select(texa => texa.ConvertBack(imageLoader))
);
back.UnkFooter = UnkFooter;
back.ShouldEmitDMYAtFirst = ShouldEmitDMYAtFirst;
back.ShouldEmitKN5 = ShouldEmitKN5;
return(back);
}
public TextureFooterData(Stream stream)
{
var shouldEmitDMYAtFirst = false;
var index = -1;
while (stream.Position < stream.Length)
{
++index;
var tag = Encoding.ASCII.GetString(stream.ReadBytes(4));
if (tag == "_KN5")
{
ShouldEmitDMYAtFirst = (index == 1) && shouldEmitDMYAtFirst;
ShouldEmitKN5 = true;
UnkFooter = stream.ReadBytes();
break;
}
var length = stream.ReadInt32();
var nextTag = stream.Position + length;
var subStreamPos = Convert.ToInt32(stream.Position);
if (tag == "UVSC")
{
UvscList.Add(BinaryMapping.ReadObject <UvScroll>(stream));
}
else if (tag == "TEXA")
{
var header = BinaryMapping.ReadObject <TextureAnimation>(stream);
stream.Position = subStreamPos + header.OffsetSlotTable;
header.SlotTable = Enumerable.Range(0, 1 + header.MaximumSlotIndex - header.BaseSlotIndex)
.Select(_ => stream.ReadInt16())
.ToArray();
stream.Position = subStreamPos + header.OffsetAnimationTable;
var frameGroupOffsetList = Enumerable.Range(0, header.NumAnimations)
.Select(idx => stream.ReadUInt32())
.ToArray();
header.FrameGroupList = frameGroupOffsetList
.Select(
firstPosition =>
{
stream.Position = subStreamPos + firstPosition;
var indexedFrameList = new Dictionary <int, TextureFrame>();
var idx = 0;
while (true)
{
if (indexedFrameList.ContainsKey(idx))
{
break;
}
var frame = BinaryMapping.ReadObject <TextureFrame>(stream);
indexedFrameList[idx] = frame;
if (frame.FrameControl == TextureFrameControl.Jump || frame.FrameControl == TextureFrameControl.Stop)
{
idx += frame.FrameIndexDelta;
stream.Seek(TextureFrame.SizeInBytes * (-1 + frame.FrameIndexDelta), SeekOrigin.Current);
}
else
{
idx++;
}
}
return(new TextureFrameGroup
{
IndexedFrameList = indexedFrameList,
});
}
)
.ToArray();
header.SpriteImage = stream
.SetPosition(subStreamPos + header.OffsetSpriteImage)
.ReadBytes(header.SpriteStride * header.SpriteHeight * header.NumSpritesInImageData);
TextureAnimationList.Add(header);
}
else if (tag == "_DMY")
{
shouldEmitDMYAtFirst |= (index == 0) ? true : false;
}
stream.Position = nextTag;
}
}
public void Write(Stream stream)
{
if (ShouldEmitDMYAtFirst)
{
// Some map files has style "_DMY" "_KN5". This is for that consistency.
stream.Write(_DMY);
stream.Write(0);
}
foreach (var item in TextureAnimationList)
{
var texaStream = new MemoryStream();
{
item.NumAnimations = Convert.ToUInt16(item.FrameGroupList.Length);
var animationTable = new int[item.NumAnimations];
for (var pass = 1; pass <= 2; pass++)
{
texaStream.Position = 0;
BinaryMapping.WriteObject(texaStream, item);
item.OffsetSlotTable = Convert.ToInt32(texaStream.Position);
item.SlotTable.ToList().ForEach(texaStream.Write);
texaStream.AlignPosition(4);
item.OffsetAnimationTable = Convert.ToInt32(texaStream.Position);
texaStream.Write(animationTable);
foreach (var(group, groupIndex) in item.FrameGroupList.Select((group, groupIndex) => (group, groupIndex)))
{
animationTable[groupIndex] = Convert.ToInt32(texaStream.Position);
if (group.IndexedFrameList.Any())
{
int minIdx = group.IndexedFrameList.Keys.Min();
int maxIdx = group.IndexedFrameList.Keys.Max();
for (; minIdx <= maxIdx; minIdx++)
{
group.IndexedFrameList.TryGetValue(minIdx, out TextureFrame frame);
frame = frame ?? new TextureFrame();
BinaryMapping.WriteObject(texaStream, frame);
}
}
}
texaStream.AlignPosition(16);
item.OffsetSpriteImage = Convert.ToInt32(texaStream.Position);
texaStream.Write(item.SpriteImage);
texaStream.AlignPosition(16);
}
}
stream.Write(_DMY);
stream.Write(0);
stream.Write(TEXA);
stream.Write(Convert.ToUInt32(texaStream.Length));
texaStream.Position = 0;
texaStream.CopyTo(stream);
}
if (UvscList.Any())
{
// Before first "UVSC", "_DMY" has to be placed. This is for that consistency.
stream.Write(_DMY);
stream.Write(0);
foreach (var item in UvscList)
{
stream.Write(UVSC);
stream.Write(12);
BinaryMapping.WriteObject(stream, item);
}
}
else if (TextureAnimationList.Any())
{
// Between "TEXA" and "_KN5", "_DMY" has to be placed. This is for that consistency.
stream.Write(_DMY);
stream.Write(0);
}
if (ShouldEmitKN5)
{
stream.Write(_KN5);
}
if (UnkFooter != null)
{
stream.Write(UnkFooter);
}
}
