ANIM (File Format) - Revision history

>Aruki at 00:50, 6 May 2016

2016-05-06T00:50:14Z

← Older revision		Revision as of 00:50, 6 May 2016
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	Each game has deviations in the format, but the principle of operation remains the same for all of them:		Each game has deviations in the format, but the principle of operation remains the same for all of them:

	* [[ANIM (Metroid Prime)]]		* [[ANIM (Metroid Prime)]] (used in Metroid Prime 1 and 2)
	* [[ANIM (Metroid Prime 2)]]
	* [[ANIM (Metroid Prime 3)]]		* [[ANIM (Metroid Prime 3)]]
	* [[ANIM (Donkey Kong Country Returns)]]		* [[ANIM (Donkey Kong Country Returns)]]

imported>Jackoalan: Restored categories

2015-10-04T21:07:41Z

Restored categories

@@ Line 1: / Line 1: @@
-The '''ANIM''' format is used to represent [[wikipedia:Key frame|animation keys]]
+The '''ANIM''' format is used to represent discrete [[wikipedia:Key frame|animation keys]]
 bound to a skeletal rig.
@@ Line 17: / Line 17: @@
 * [[ANIM (Metroid Prime 2)]]
 * [[ANIM (Metroid Prime 3)]]

imported>Jackoalan: Made into hub article

2015-10-04T21:03:44Z

Made into hub article

Show changes

imported>Antidote at 22:37, 10 August 2015

2015-08-10T22:37:20Z

← Older revision		Revision as of 22:37, 10 August 2015
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	\|-		\|-
	\|0x10		\|0x10
			\|4
	\|long		\|long
	\|bone_entry_count		\|bone_entry_count

imported>Antidote at 22:36, 10 August 2015

2015-08-10T22:36:42Z

← Older revision		Revision as of 22:36, 10 August 2015
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	\|4		\|4
	\|long		\|long
	\|~~unknown~~		\|unknown1
			\|
	\|-		\|-
	\|0x8		\|0x8
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	\|4		\|4
	\|long		\|long
	\|~~unknown~~		\|unknown2
			\|
	\|-		\|-
	\|0x10		\|0x10
			\|long
	\|bone_entry_count		\|bone_entry_count
	\|Count of bone-channels in animation		\|Count of bone-channels in animation
	\|-		\|-
	\|0x14		\|0x14
			\|4
	\|long		\|long
	\|~~unknown~~		\|unknown3
			\|
	\|-		\|-
	\|0x18		\|0x18

imported>Antidote at 22:34, 10 August 2015

2015-08-10T22:34:50Z

← Older revision		Revision as of 22:34, 10 August 2015
Line 111:		Line 111:
	\|-		\|-
	\|0x4		\|0x4
			\|4
			\|long
			\|unknown
			\|-
			\|0x8
	\|4		\|4
	\|float		\|float
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	\|Time in seconds between keys of each bone channel (reciprocal of frame-rate)		\|Time in seconds between keys of each bone channel (reciprocal of frame-rate)
	\|-		\|-
	\|~~0x8~~		\|0xC
	\|4		\|4
	\|long		\|long
			\|unknown
			\|-
			\|0x10
	\|bone_entry_count		\|bone_entry_count
	\|Count of bone-channels in animation		\|Count of bone-channels in animation
	\|-		\|-
	\|~~0xC~~		\|0x14
			\|long
			\|unknown
			\|-
			\|0x18
	\|4		\|4
	\|long		\|long

imported>Jackoalan: /* Key Values */

2015-03-25T23:01:38Z

Key Values

← Older revision		Revision as of 23:01, 25 March 2015
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	Once resolved, rotation components are divided by ''rotation_divisor'', resulting in an axis-angle		Once resolved, rotation components are divided by ''rotation_divisor'', resulting in an axis-angle
	[[wikipedia:Axis–angle_representation#Rotation_vector\|rotation vector]]. This rotation vector is converted		[[wikipedia:Axis–angle_representation#Rotation_vector\|rotation vector]]. This rotation vector is converted
	to quaternion imaginary components with the W component derived via ~~normalization~~ and a ''sign-bit''		to quaternion imaginary components with the W component derived via normalized-difference and a ''sign-bit''
	packed into the bitstream:		packed into the bitstream:

imported>Jackoalan: /* Rotation Vector Bitstream Format */

2015-03-25T22:01:28Z

Rotation Vector Bitstream Format

← Older revision		Revision as of 22:01, 25 March 2015
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	[[wikipedia:Delta encoding\|delta encoded]] and [[wikipedia:Quantization (signal processing)\|quantized]]		[[wikipedia:Delta encoding\|delta encoded]] and [[wikipedia:Quantization (signal processing)\|quantized]]
	to make for a very compact, compressed animation. The data is processed sequentially to reconstruct the		to make for a very compact, compressed animation. The data is processed sequentially to reconstruct the
	uncompressed bone channel data.		uncompressed bone channel data as quaternions.

	In addition to the bitstream quantization, the format includes a bitmap specifying which frames of the animation have		In addition to the bitstream quantization, the format includes a bitmap specifying which frames of the animation have
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	Once resolved, rotation components are divided by ''rotation_divisor'', resulting in an axis-angle		Once resolved, rotation components are divided by ''rotation_divisor'', resulting in an axis-angle
	[[wikipedia:Axis–angle_representation#Rotation_vector\|rotation vector]]. ~~The magnitude of this~~ vector		[[wikipedia:Axis–angle_representation#Rotation_vector\|rotation vector]]. This rotation vector is converted
	is the ~~''angle'' part~~ and ~~is multiplied by π and combined with the~~ ''~~angle~~ sign-bit'' ~~to get~~ the ~~rotation in radians~~.		to quaternion imaginary components with the W component derived via normalization and a ''sign-bit''
			packed into the bitstream:

			<pre>
			q = π / 2.0 / rotation_divisor
			X = sin(rx * q)
			Y = sin(ry * q)
			Z = sin(rz * q)
			W = sqrt(MAX((1.0 - (X^2 + Y^2 + Z^2)), 0.0))
			W = sign_bit ? -W : W
			</pre>

	Translation components are multiplied by ''translation_multiplier'', yielding world units.		Translation components are multiplied by ''translation_multiplier'', yielding world units.
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	\|Word-packed bitstream laid out as described by the descriptor table. The bitstream is unpacked just like ''key_bitmap'' (least-significant to most-significant).		\|Word-packed bitstream laid out as described by the descriptor table. The bitstream is unpacked just like ''key_bitmap'' (least-significant to most-significant).
	Key values are tightly-packed, quantized integers whose bit-depth is specified by the ''q_*'' values in the descriptor table.		Key values are tightly-packed, quantized integers whose bit-depth is specified by the ''q_*'' values in the descriptor table.
	Each bone-channel key-set starts with a single bit providing the ''~~angle~~ sign-bit'' (1 for negative, 0 for positive).		Each bone-channel key-set starts with a single bit providing the ''W sign-bit'' (1 for negative, 0 for positive).

	The key integers are signed using [[wikipedia:Two's complement\|Two's complement]] representation.		The key integers are signed using [[wikipedia:Two's complement\|Two's complement]] representation.

imported>Jackoalan: /* Header2 */

2015-02-23T10:29:26Z

Header2

← Older revision		Revision as of 10:29, 23 February 2015
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	\|float		\|float
	\|interval		\|interval
	\|Time in seconds between ~~keys of each bone channel~~ (reciprocal of frame-rate, typically 30-fps)		\|Time in seconds between frames (reciprocal of frame-rate, typically 30-fps)
	\|-		\|-
	\|0x14		\|0x14

imported>Jackoalan at 08:45, 23 February 2015

2015-02-23T08:45:39Z

← Older revision		Revision as of 08:45, 23 February 2015
Line 1:		Line 1:
	The '''ANIM format''' is used in conjunction with [[CINF (File Format)\|CINF]] ~~and~~ [[CSKR (File Format)\|CSKR]]		The '''ANIM format''' is used in conjunction with [[CINF (File Format)\|CINF]] + [[CSKR (File Format)\|CSKR]]
	rigging to animate [[CMDL (File Format)\|CMDL meshes]].		rigging to animate [[CMDL (File Format)\|CMDL meshes]].