MT5 - Revision history

Kion: /* Instructions */

2020-08-03T03:41:46Z

Instructions

@@ Line 78: / Line 78: @@
 These instructions are state machine like. Each instruction changes the state of how to render the strip.<br>
 Each instruction identifier is 2 bytes long.
 =====Unused (0x0E00, 0x0F00)=====
 Ignored. Skip 10 bytes.
 =====Unused (0x8000, 0xA000)=====
@@ Line 88: / Line 103: @@
 Size of the as UV which divides the raw UV value being read.<br>
 Only usable for non-UVH coordinates.
 =====Strip Attributes (0x0200 - 0x0700)=====
@@ Line 95: / Line 112: @@
 =====Texture (0x0900)=====
 Sets the texture to use for the next instructions.
 =====Strip Group (0x1000 - 0x1400, 0x1800 - 0x1C00)=====
@@ Line 116: / Line 135: @@
 | 0x1400, 0x1C00 || 2 Bytes (Index) + 4 Bytes (UV) + 4 Bytes (BGRA) || Vertex index, UV, Color
 |}
 ======Strip======
@@ Line 125: / Line 147: @@
 |}
 Sometimes the vertex count can be negativ, just abs() it.<br>
-The reason for this behaviour is unknown.
+The reason for this behavior is to indicate the wind direction of the first triangle when converting from strips to triangles.
 ======Strip "Vertex"======

Kion: /* Header */

2020-08-03T03:28:01Z

Header

@@ Line 18: / Line 18: @@
 | 0x08 || 0x04 || uint || First node offset
 |}
 ===MT5 Node===

PhilYeahz at 17:13, 26 May 2019

2019-05-26T17:13:16Z

← Older revision		Revision as of 18:13, 26 May 2019
Line 73:		Line 73:
	Ignored. Skip 2 bytes.		Ignored. Skip 2 bytes.

	=====UV Size(0x0B00)=====		=====UV Size (0x0B00)=====
	Size of the as UV which divides the raw UV value being read.<br>		Size of the as UV which divides the raw UV value being read.<br>
	Only usable for non-UVH coordinates.		Only usable for non-UVH coordinates.

PhilYeahz at 17:13, 26 May 2019

2019-05-26T17:13:05Z

← Older revision		Revision as of 18:13, 26 May 2019
Line 73:		Line 73:
	Ignored. Skip 2 bytes.		Ignored. Skip 2 bytes.

	=====~~Unknown~~ (0x0B00)=====		=====UV Size(0x0B00)=====
	~~Unknown~~.		Size of the as UV which divides the raw UV value being read.<br>
			Only usable for non-UVH coordinates.

	=====Strip Attributes (0x0200 - 0x0700)=====		=====Strip Attributes (0x0200 - 0x0700)=====

PhilYeahz: /* Strip Attributes (0x0200, 0x0300) */

2019-04-25T00:18:20Z

Strip Attributes (0x0200, 0x0300)

← Older revision		Revision as of 01:18, 25 April 2019
Line 76:		Line 76:
	Unknown.		Unknown.

	=====Strip Attributes (0x0200~~, 0x0300~~)=====		=====Strip Attributes (0x0200 - 0x0700)=====
	First byte holds UV flag for how they are interpreted.		First byte holds UV flag for how they are interpreted.
	Holds information about the texture UV wrap modes.		Holds information about the texture UV wrap modes.

PhilYeahz: /* Texture Entry */

2019-04-25T00:16:46Z

Texture Entry

← Older revision		Revision as of 01:16, 25 April 2019
Line 158:		Line 158:

	===Texture Entry===		===Texture Entry===
	The MT5 support external and embedded textures.		The MT5 format support external and embedded textures.

	====Texture ID====		====Texture ID====

PhilYeahz at 00:16, 25 April 2019

2019-04-25T00:16:37Z

← Older revision		Revision as of 01:16, 25 April 2019
Line 170:		Line 170:
	\|}		\|}

	=====TEXN (Texture Entry)=====		====TEXN (Texture Entry)====
	This entry defines an embedded PVRT texture.		This entry defines an embedded PVRT texture.
	{\| class="wikitable"		{\| class="wikitable"
Line 181:		Line 181:
	\|}		\|}

	=====NAME (Texture Names)=====		====NAME (Texture Names)====
	This entry defines external PVRT textures each using the texture id for reference.		This entry defines external PVRT textures each using the texture id for reference.
	{\| class="wikitable"		{\| class="wikitable"

PhilYeahz at 00:15, 25 April 2019

2019-04-25T00:15:40Z

← Older revision		Revision as of 01:15, 25 April 2019
Line 144:		Line 144:
	\|}		\|}

	===TEXD===		===TEXD (Texture Definition)===
	This sections holds ~~textures~~ for the model.		This sections holds texture count for the model.
	{\| class="wikitable"		{\| class="wikitable"
	\|-		\|-
	! Position !! Length !! Type !! Description		! Position !! Length !! Type !! Description
	\|-		\|-
	\| 0x00 \|\| 0x04 \|\| string \|\| Identifier		\| 0x00 \|\| 0x04 \|\| string \|\| Identifier (TEXD)
	\|-		\|-
	\| 0x04 \|\| 0x04 \|\| uint \|\| ~~Header size (or offset to first entry)~~		\| 0x04 \|\| 0x04 \|\| uint \|\| Size in bytes
	\|-		\|-
	\| 0x08 \|\| 0x04 \|\| uint \|\| Texture count		\| 0x08 \|\| 0x04 \|\| uint \|\| Texture count
	\|}		\|}

	====~~TEXD~~ Entry====		===Texture Entry===
			The MT5 support external and embedded textures.

			====Texture ID====
			Each texture entry has an texture ID which is 8 bytes long.<br>
			The actual data type of the ID is still unknown, sometimes it looks like ASCII strings, Shift-JIS or plain garbage.
			{\| class="wikitable"
			\|-
			! Position !! Length !! Type !! Description
			\|-
			\| 0x00 \|\| 0x08 \|\| string \|\| Texture ID
			\|}

			=====TEXN (Texture Entry)=====
			This entry defines an embedded PVRT texture.
			{\| class="wikitable"
			\|-
			! Position !! Length !! Type !! Description
			\|-
			\| 0x00 \|\| 0x08 \|\| TextureID \|\| Texture ID
			\|-
			\| 0x08 \|\| 0x0? \|\| PVRT \|\| Texture
			\|}

			=====NAME (Texture Names)=====
			This entry defines external PVRT textures each using the texture id for reference.
	{\| class="wikitable"		{\| class="wikitable"
	\|-		\|-
	! Position !! Length !! Type !! Description		! Position !! Length !! Type !! Description
	\|-		\|-
	\| 0x00 \|\| 0x04 \|\| string \|\| Identifier (~~TEXN,~~ NAME)		\| 0x00 \|\| 0x04 \|\| string \|\| Identifier (NAME)
			\|-
			\| 0x04 \|\| 0x04 \|\| uint \|\| Size in bytes
	\|-		\|-
	\| ~~0x04~~ \|\| ~~0x04~~ \|\| ~~uint~~ \|\| ~~Entry size in bytes~~		\| 0x08 \|\| 0x0? \|\| TextureID[] \|\| Texture ID Array
	\|}		\|}

	===~~==TEXN==~~===		===TEXL (Texture Library)===
	This ~~entry defines an actual PVRT~~ texture.		This sections holds offsets to the texture IDs.
	{\| class="wikitable"		{\| class="wikitable"
	\|-		\|-
	! Position !! Length !! Type !! Description		! Position !! Length !! Type !! Description
	\|-		\|-
	\| 0x00 \|\| 0x04 \|\| ~~uint~~ \|\| ID		\| 0x00 \|\| 0x04 \|\| string \|\| Identifier (TEXL)
	\|-		\|-
	\| 0x04 \|\| 0x04 \|\| ~~string~~ \|\| ~~Name~~		\| 0x04 \|\| 0x04 \|\| uint \|\| Size in bytes
	\|-		\|-
	\| 0x08 \|\| ~~0x0?~~ \|\| ~~PVRT~~ \|\| Texture		\| 0x08 \|\| 0x04 \|\| uint \|\| Texture count
			\|}

			====TEXL Entry====
			{\| class="wikitable"
			\|-
			! Position !! Length !! Type !! Description
			\|-
			\| 0x00 \|\| 0x04 \|\| uint\|\| Offset to TextureID
			\|-
			\| 0x04 \|\| 0x04 \|\| uint \|\| Unknown
			\|-
			\| 0x08 \|\| 0x04 \|\| uint \|\| Unknown
	\|}		\|}

	===~~==NAME==~~===		===PTRL===
	This ~~entry is used~~ to ~~define used textures outside~~ of the ~~MT5~~.		This sections holds offsets to various parts of the model.<br>
			Its purpose is still unclear.
	{\| class="wikitable"		{\| class="wikitable"
	\|-		\|-
	! Position !! Length !! Type !! Description		! Position !! Length !! Type !! Description
	\|-		\|-
	\| 0x00 \|\| 0x04 \|\| ~~uint~~ \|\| ID		\| 0x00 \|\| 0x04 \|\| string \|\| Identifier (PTRL)
	\|-		\|-
	\| 0x04 \|\| 0x04 \|\| ~~string~~ \|\| ~~Name~~		\| 0x04 \|\| 0x04 \|\| uint \|\| Size in bytes
	\|}		\|}

PhilYeahz: /* Strip Group (0x1000 - 0x1400, 0x1800 - 0x1C00) */

2018-12-26T14:47:20Z

Strip Group (0x1000 - 0x1400, 0x1800 - 0x1C00)

← Older revision		Revision as of 15:47, 26 December 2018
Line 90:		Line 90:
	\| 0x00 \|\| 0x02 \|\| ushort \|\| Strip count		\| 0x00 \|\| 0x02 \|\| ushort \|\| Strip count
	\|}		\|}
	These strip groups have the following vertex ~~data~~ based on the identifiers:		These strip groups have the following vertex structure based on the identifiers:
	{\| class="wikitable"		{\| class="wikitable"
	\|-		\|-

PhilYeahz: /* Strip "Vertex" */

2018-12-26T14:46:56Z

Strip "Vertex"

← Older revision		Revision as of 15:46, 26 December 2018
Line 117:		Line 117:
	{\| class="wikitable"		{\| class="wikitable"
	\|-		\|-
	! ~~Position !! Length~~ !! ~~Type~~ !! Description		! Type !! Size !! Description
	\|-		\|-
	\| ~~0x00~~ \|\| 0x02 ~~\|\| short~~ \|\| Vertex index		\| short \|\| 0x02 \|\| Vertex index
	\|-		\|-
	\| ~~0x02~~ \|\| 0x04 \|\| ~~short \|\|~~ Texture Coordinate (UV)		\| short \|\| 0x04 \|\| (optional) Texture Coordinate (UV)
	\|-		\|-
	\| ~~0x06~~ \|\| 0x04 \|\| ~~byte \|\| BGRA~~ Color		\| byte \|\| 0x04 \|\| (optional) BGRA8888 Color
	\|}		\|}
			The vertex structure is based on the strip group identifier.<br>
	Often the vertex index can be negativ, this is an optimization and is used to point to the parents vertices.<br>		Often the vertex index can be negativ, this is an optimization and is used to point to the parents vertices.<br>
	The UV coordinates are UVH (UV high-resolution) and need to be divided by 1024 to get normalized UV coordnates.		The UV coordinates are UVH (UV high-resolution) and need to be divided by 1024 to get normalized UV coordnates.