Loop Model

Loop models match engine RPM to sounds via a graph.

Structures

Note: PC (Remastered) loop models are 64-bit, unlike with other resource types.

BrnSound::Vehicles::Engines::LoopModelData

32-bit

Offset	Length	Type	Name	Description	Comments
0x0	0x4	uint32_t	muVersion	Version number	7 in all known versions
0x4	0x4	uint32_t	muSignature	Magic	YDNA
0x8	0x4	Partial*	mpaPartials
0xC	0x4	uint32_t	muNumOfPartials
0x10	0x4	uint32_t	muSizeInBytes	Resource size

64-bit

Offset	Length	Type	Name	Description	Comments
0x0	0x4	uint32_t	muVersion	Version number	7 in all known versions
0x4	0x4	uint32_t	muSignature	Magic	YDNA
0x8	0x8	Partial*	mpaPartials
0x10	0x4	uint32_t	muNumOfPartials
0x14	0x4	uint32_t	muSizeInBytes	Resource size

BrnSound::Vehicles::Engines::Partial

Note: Field order changes between 32 and 64 bit, unlike with other resource types.

32-bit

Offset	Length	Type	Name	Description	Comments
0x0	0x4	Name	mWaveName	Name hash
0x4	0x4	Graph*	mpaGraphs
0x8	0x1	uint8_t	mu8NumOfGraphs
0x9	0x3			padding

64-bit

Offset	Length	Type	Name	Description	Comments
0x0	0x8	Graph*	mpaGraphs
0x8	0x4	Name	mWaveName	Name hash
0xC	0x1	uint8_t	mu8NumOfGraphs
0xD	0x3			padding

BrnSound::Vehicles::Engines::Graph

32-bit

Offset	Length	Type	Name	Description	Comments
0x0	0x4	Point*	mpaPoints	Points on graph
0x4	0x1	uint8_t	mu8NumOfPoints
0x5	0x1	int8_t	mi8XAxis
0x6	0x1	int8_t	mi8YAxis
0x7	0x1	int8_t	mPad

64-bit

Offset	Length	Type	Name	Description	Comments
0x0	0x8	Point*	mpaPoints	Points on graph
0x8	0x1	uint8_t	mu8NumOfPoints
0x9	0x1	int8_t	mi8XAxis
0xA	0x1	int8_t	mi8YAxis
0xB	0x1	int8_t	mPad
0xC	0x4			padding

BrnSound::Vehicles::Engines::Point

Offset	Size	Type	Name	Description	More Information	Comments
0x0	0x4	float32_t	mfXpos	X position on graph
0x4	0x4	float32_t	mfYpos	Y position on graph