dfrm.bt

LittleEndian();

struct DfrmHeader
{
	char Signature[4]; //DFRM
	float Version; Assert(Version == 1.0); //1.0
	uint HeaderSize; Assert(HeaderSize == 0x40); 
	
	uint SubmeshDefCount;
	uint BlendShapeSpanCount;
	uint Block5SpanCount;
	uint BlendShapeSpanIndexCount;
	uint BlendShapeCount;
	uint Block5Count;
	
	uint SubmeshDefsOffset;
	uint BlendShapeSpansOffset;
	uint Block5SpansOffset;
	uint BlendShapeSpanIndicesOffset;
	uint BlendShapesOffset;
	uint Block5sOffset;

	FSkip(4);
} Header;

// Just Span<uint> for BlendShapeSpanIndices the size of the submesh's vertex count
FSeek(Header.SubmeshDefsOffset);
struct SubmeshDef
{
	uint BlendShapeSpanIndices_Count;
	uint BlendShapeSpanIndices_StartOffset;
} SubmeshDefs[Header.SubmeshDefCount] <bgcolor = 0xD2EA97>;

// Just Span<BlendShape>
FSeek(Header.BlendShapeSpansOffset);
struct BlendShapeSpan
{
	uint BlendShape_Count;
	uint BlendShape_StartOffset;
} BlendShapeSpans[Header.BlendShapeSpanCount] <bgcolor = 0xA1C78C>;

// Just Span<Block5>
FSeek(Header.Block5SpansOffset);
struct Block5Span
{
	uint Block5_Count;
	uint Block5_StartOffset;
} Block5Spans[Header.Block5SpanCount] <bgcolor = 0x946E81, fgcolor = cLtGray>;

FSeek(Header.BlendShapeSpanIndicesOffset);
uint BlendShapeSpanIndices[Header.BlendShapeSpanIndexCount] <bgcolor = 0x74226C, fgcolor = 0xa0a0a0>;

// Unknown
FSeek(Header.BlendShapesOffset);
struct BlendShape
{
	ushort SubmeshIndex;
	ushort Unknown1;
} BlendShapes[Header.BlendShapeCount] <optimize = false, bgcolor = 0x42214B, fgcolor = 0xc0c0c0>;

// Unknown
FSeek(Header.Block5sOffset);
struct Block5
{
	uint BlendShapeSpanIndex;
} Block5s[Header.Block5Count] <optimize = false, bgcolor = 0x53355B, fgcolor = 0xd0d0d0>;