MaterialEx action data

MaterialExParam stores named material-parameter data, and examined TAE type-198 actions reference its row IDs. The checked Elden Ring table is MATERIAL_EX_PARAM_ST, data version 4, with 96-byte rows. Observed

MaterialExParam version 4 row96 bytes88% known

ProvenObservedSourcedInferredUnknownNot described

0

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

0x0

parameter nameu16[32]

…

⋮ parameter name: 64 bytes

0x30

… parameter name

0x40

material IDi32

stored RGBA and intensity lanesf32[5]

0x50

… stored RGBA and intensity lanes

unknown tailu8[8]

Offset	Size	Type	Field	Confidence	Notes
0x0	64	u16[32]	parameter name	Observed	NUL-terminated UTF-16LE
0x40	4	i32	material ID	Sourced
0x44	20	f32[5]	stored RGBA and intensity lanes	Observed	Values are stored; their application rule is unresolved
0x58	8	u8[8]	unknown tail	Unknown	Retained without interpretation

Examined TAE 198 parameter payload64 bytes6% known

ProvenObservedSourcedInferredUnknownNot described

0

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

0x0

unknownu32

MaterialExParam row IDi32

unknown action fieldsu8[56]

…

⋮ unknown action fields: 56 bytes

0x30

… unknown action fields

Offset	Size	Type	Field	Confidence	Notes
0x0	4	u32	unknown	Unknown	Raw word retained
0x4	4	i32	MaterialExParam row ID	Observed
0x8	56	u8[56]	unknown action fields	Unknown	Raw integer and float word views do not establish timing or target meanings

Examined aliases can carry 72 bytes, with eight zero bytes after the 64-byte payload. Observed

How does a material action apply and transition?

The row link does not establish ramp duration, interpolation, target selection, blending with other actions or application order. The Elden Ring envelope does not establish Sekiro’s type-198 layout.