Difference between revisions of "Animation string"

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−
=== Basic format ===
+
== Basic format ==
  
 
Animation strings are of the form:
 
Animation strings are of the form:
Line 27: Line 27:
 
  |}
 
  |}
  
−
=== Tags ===
+
== Tags ==
  
 
There are a lot of available tags. Not all of them are understood. Some of them take numeric parameters, which are indicated in angle brackets below. Such parameters must match the regular expression:
 
There are a lot of available tags. Not all of them are understood. Some of them take numeric parameters, which are indicated in angle brackets below. Such parameters must match the regular expression:
Line 35: Line 35:
 
An omitted parameter is treated as 0.
 
An omitted parameter is treated as 0.
  
−
Here's a complete list of all tags up to t. There are some other tags previously known at the end as well. Descriptions in ''italics'' may be unreliable.
+
Here's a complete list of all tags. Descriptions in ''italics'' may be unreliable.
 +
<!--
 +
chaos -- notes 25/11/09 -- flags' effects on various anim data fields
  
 +
f4:
 +
ar 0001
 +
at 0002
 +
af 0004
 +
aa 0008
 +
ai 0010
 +
ac 0020
 +
aw 0040
 +
ad 0080
 +
ab 0400
 +
ao 0800
 +
as 1000
 +
ae 2000
 +
am 4000
 +
ax 8000
 +
 +
al f4 = f4E | 0002 // bug? should this be f4 |= 0x0002?
 +
 +
f4E:
 +
us 0001
 +
bn 0004
 +
ag 0008
 +
ur 0010
 +
ue 0020
 +
ud 0040
 +
uh 0080
 +
uz 0100
 +
uf 0200
 +
uc 0400
 +
ua 0800
 +
ug 1000
 +
ul 2000
 +
by 4000
 +
bo0 4000 // plus some other stuff
 +
bk 8000 // plus some other stuff
 +
 +
f1A:
 +
zg 0004
 +
zl 0010
 +
zm 0020
 +
zh 0040
 +
zj 0080
 +
zp 0100
 +
zz FFFF
 +
 +
f14:
 +
bg 0200
 +
br 0100
 +
bt 0400
 +
f ^ 0004
 +
v = 0001
 +
vsK = 0001 // plus f52
 +
 +
f52:
 +
cf 08
 +
cg 20
 +
cl 40
 +
cp 10
 +
cw 04
 +
uj 80
 +
vsx 01 // plus f14
 +
vsy 02 // plus f14
 +
 +
f22:
 +
jg 0004
 +
fl 0010
 +
jm 0020
 +
jh 0040
 +
jj 0080
 +
jp 0100
 +
jf 1000
 +
jf2 2000
 +
jz FFFF
 +
 +
 +
From http://www.omf2097.com/~forum/viewthread.php?tid=193&page=8 : [More incorporated below]
 +
 +
cp: doesn't strictly mean "hits here"
 +
look at Nova's basic punch: it starts hitting on frame 2-3 but doesn't have CP till 4
 +
ub: this frame causes trails
 +
n: during recovery; or during entirety of Concussion Cannon
 +
-->
 
{| cellpadding="4" style="border:1px solid darkgray;"
 
{| cellpadding="4" style="border:1px solid darkgray;"
 
  ! Tag !! Notes
 
  ! Tag !! Notes
 +
|-
 +
|colspan=2| <hr>
 
|-
 
|-
 
| aa ||
 
| aa ||
Line 48: Line 134:
 
| ad ||
 
| ad ||
 
|-
 
|-
−
| ae ||
+
| ae || Never used?
 
|-
 
|-
 
| af ||
 
| af ||
Line 70: Line 156:
 
| ar ||
 
| ar ||
 
|-
 
|-
−
| al ||
+
| al || Never used?
 
|-
 
|-
−
| b1 ||
+
|colspan=2| <hr>
 
|-
 
|-
−
| b2 ||
+
| '''b<...>''' || The b codes control the rendering method used for the sprite. A variable '''b''' is set to a ''visibility level'', and is linearly interpolated throughout the frame from the '''bs''' value to the '''bf''' value, if the '''bs''' value has been specified and is not zero. Otherwise the '''b''' value is set to the '''bf''' value.
 +
<pre>
 +
<math>
 +
b = bs ? (bs + (bf - bs) * tick / ticksThisFrame) : bf
 +
</math>
 +
</pre>
 +
The '''bf''' value is set by the tags ''bb'', ''bf'', ''bj'', ''bl'', ''bm''. These tags all also set some ''bflags'' which control the rendering effect.
 
|-
 
|-
−
| ba<n> ||
+
| b1 || bflags |= 0x2000
 
|-
 
|-
−
| bb<n> || ''Screen shake with magnitude n''
+
| b2 || bflags |= 0x4000
 
|-
 
|-
−
| bc<n> ||
+
| bb<n> || bflags |= 0x0010, bf := n ''Screen shake with magnitude n''
 
|-
 
|-
−
| bd ||
+
| be || bflags |= 0x0800 ''Something related to victory/scrap/destruction animations?''
 
|-
 
|-
−
| be ||
+
| bf<n> || bflags |= 0x0001, bf := n ''Blend finish with opacity n < 256''
 
|-
 
|-
−
| bf<n> || ''Blend finish with opacity n''
+
| bh || bflags |= 0x0040
 
|-
 
|-
−
| bg ||
+
| bl<n> || bflags |= 0x0008, bf := n
 
|-
 
|-
−
| bh ||
+
| bm<n> || bflags |= 0x0100, bf := n
 
|-
 
|-
−
| bi<n> ||
+
| bj<n> || bflags |= 0x0400, bf := n
 
|-
 
|-
−
| bj<n> ||
+
| bs<n> || bs := n ''Blend start with opacity n < 256 (the sprite is drawn at this opacity at the start of the frame and gradually transitioned to whatever is set as the blend finish value)''
 
|-
 
|-
−
| bk<n> || crashes if not in arena?
+
| bu || bflags |= 0x8000
 +
|-
 +
| bw || bflags |= 0x0080
 +
|-
 +
| bx || bflags |= 0x0002
 +
|-
 +
|colspan=2| <hr>
 +
|-
 +
| '''bp<...>''' || The bp codes control scene and entity lighting and colouring. A variable '''bp''' is set to a ''colour level'', and is linearly interpolated throughout the frame from the '''bpb''' value to the '''bpp''' value. The '''bpd''' tag specifies a reference colour (r,g,b) by palette index.
 +
<pre>
 +
bp = bpb + (bpp - bpb) * tick / ticksThisFrame
 +
for i = bps to bps + bpn:
 +
  if bz:
 +
    m = max(r_i, g_i, b_i)
 +
    r_i' = r_i + m/64 * bp/64 * (r - r_i*)
 +
    g_i' = g_i + m/64 * bp/64 * (g - g_i*)
 +
    b_i' = b_i + m/64 * bp/64 * (b - b_i*)
 +
  else:
 +
    r_i' = r * bp/64
 +
    g_i' = g_i * (1 - bp/64) + g * bp/64
 +
    b_i' = b_i * (1 - bp/64) + b * bp/64
 +
   
 +
  r_i = max(0, min(63, r_i'))
 +
  g_i = max(0, min(63, g_i'))
 +
  b_i = max(0, min(63, b_i'))
 +
</pre>
 +
In the above, r_i* is the original (unmodified) value.
 +
|-
 +
| bpd<n> || bpd := n
 +
Specifies a colour (reference palette index)
 +
|-
 +
| bps<n> || bps := n
 +
Starting palette index
 
|-
 
|-
−
| bl<n> ||
+
| bpn<n> || bpn := n
 +
Palette entry count
 
|-
 
|-
−
| bm<n> ||
+
| bpf || Blend Palette Fighter: If this is the HAR for player 2 then bps48 bpn48 (second robot's colours) else bps1 bpn47 (first robot's colours)
 
|-
 
|-
−
| bn ||
+
| bpp<n> || bpb := n, bpp := n
 +
Set both initial and final ''colour level''.
 
|-
 
|-
−
| bo<n> ||
+
| bpb<n> || bpb := n
 +
Initial ''colour level'' for blending. Specify bpp first.
 
|-
 
|-
−
| bpb<n> ||
+
| bpo || bpo := 1
 +
Disables palette effects. Only used in CREDITS.BK.
 
|-
 
|-
−
| bpd<n> ||
+
| bz ||
 +
If specified, a colour tint effect will be used, otherwise a green-blue lightning effect will be used.
 
|-
 
|-
−
| bpf ||
+
|colspan=2| <hr>
 
|-
 
|-
−
| bpn<n> ||
+
| ba<n> || Only used by CREDITS.BK
 
|-
 
|-
−
| bpo ||
+
| bc<n> || Only used by CREDITS.BK
 
|-
 
|-
−
| bpp<n> ||
+
| bd || Only used by CREDITS.BK
 
|-
 
|-
−
| bps<n> ||
+
| bg || Only used by CREDITS.BK
 
|-
 
|-
−
| br || ''Draw additively''
+
| bi<n> || Only used by CREDITS.BK
 
|-
 
|-
−
| bs<n> || ''Blend start with opacity n''
+
| bk<n> || crashes if not in arena?
 
|-
 
|-
−
| bt ||
+
| bn ||
 
|-
 
|-
−
| bu ||
+
| bo<n> ||
 
|-
 
|-
−
| bw ||
+
| br || ''Draw additively''
 
|-
 
|-
−
| bx ||
+
| bt ||
 
|-
 
|-
 
| by ||
 
| by ||
 
|-
 
|-
−
| bz ||
+
| cf || Used by Shadow's destruction (AF1:61)
 
|-
 
|-
−
| cf ||
+
| cg || Used by Katana's rising blade (normal and extended) (AF5:22,23)
 
|-
 
|-
−
| cg ||
+
| cl || Used by Pyros' scrap (both parts) (AF3:35,38)
−
|-
 
−
| cl ||
 
 
|-
 
|-
 
| cp || ''Apply the damage for the current animation to opponent''
 
| cp || ''Apply the damage for the current animation to opponent''
 
|-
 
|-
−
| cw ||
+
| cw || Used by Flail's charging moves (charge punch, strong punch, scrap 2) (AF7:33,35,36)
 
|-
 
|-
−
| cx<n> ||
+
| cx<n> || Used by:
 +
* Jaguar's ?? (AF0:38)
 +
* Thorn's off-wall attack (AF2:39)
 +
* Electra's ?? (AF4:33)
 +
* Katana's razor spins (AF5:25,26,27,28)
 +
* Flail's chain spins (AF7:31,39),
 +
* Gargoyle standing pose and diving claw grab (AF8:1,35),
 +
* Chronos' ?? (AF9:38,39)
 
|-
 
|-
 
| cy<n> ||
 
| cy<n> ||
 
|-
 
|-
−
| d<n> ||
+
| d<n> || Jump back into the animation as if N 'ticks' have already occured, for example, d1 will jump back to the start of the animation, but d200 will jump into the animation at whatever point the animation would be 200 ticks after it had started.
 
|-
 
|-
 
| e ||
 
| e ||
Line 161: Line 295:
 
|-
 
|-
 
| i ||
 
| i ||
 +
|-
 +
|colspan=2| <hr>
 +
|-
 +
| '''j<...>''' || It is hypothesized that the '''j''' tags define which moves can 'chain' to which other moves. Possibly jh moves only chain to high moves, jm moves only chain to mid moves, jl moves only chain to low moves. (The distinction between a mid and low move is unclear at this point.) jf moves appear to chain to your scrap move (f=finisher here).
 +
 +
It is unknown whether jn<n> is part of this block of tags or a separate tag.
 +
<!--
 +
The J Tags: Could indicate the frames are to be skipped under some conditions.
 +
Plenty of them - format seems to be j[letter] or jn[int]
 +
 +
Jag's J Tags
 +
jh: P, d+K, cannon
 +
jm: db+P, db+K, K
 +
jl: df+P, d+P
 +
jp: b+P
 +
jn21: P, b+P, d+P
 +
jn15: getting up
 +
jf: win animation
 +
 +
Hypothesis: J means Jump. I have no idea what jn## means.
 +
-->
 
|-
 
|-
 
| jf2 ||
 
| jf2 ||
Line 175: Line 330:
 
|-
 
|-
 
| jm ||
 
| jm ||
 +
|-
 +
| jp ||
 +
|-
 +
| jz || combination of all other j flags except jn. Only used by (AF5:35).
 
|-
 
|-
 
| jn<n> ||
 
| jn<n> ||
 
|-
 
|-
−
| jp ||
+
|colspan=2| <hr>
−
|-
 
−
| jz || combination of all other j flags except jn
 
 
|-
 
|-
 
| k<n> ||
 
| k<n> ||
Line 223: Line 380:
 
|-
 
|-
 
| oy<n> || oy := n
 
| oy<n> || oy := n
−
|-
 
−
| p[...] || all p tags have special cleanup code
 
 
|-
 
|-
 
| pa ||
 
| pa ||
Line 250: Line 405:
 
| q ||
 
| q ||
 
|-
 
|-
−
| r ||
+
| r || toggle a global ''Flip sprite horizontally''
 
|-
 
|-
−
| s<n> ||
+
| s<n> || ''Play sound n''
 
|-
 
|-
 
| sa ||
 
| sa ||
Line 264: Line 419:
 
| se<n> || similar to sl<n+1> (the latter also clears the high byte of the value)
 
| se<n> || similar to sl<n+1> (the latter also clears the high byte of the value)
 
|-
 
|-
−
| sf<n> ||
+
| sf<n> || ''Sound frequency n''
 
|-
 
|-
−
| sl<n> ||
+
| sl<n> || ''Sound loudness n''
 
|-
 
|-
 
| smf<n> ||
 
| smf<n> ||
 
|-
 
|-
−
| smo<n> ||
+
| smo<n> || Play music track <n>. The track to play is one of the following:
 +
* 0 - No music
 +
* 1 - End.psm
 +
* 2 - Menu.psm
 +
* 3 - Arena0.psm
 +
* 4 - Arena1.psm
 +
* 5 - Arena2.psm
 +
* 6 - Arena3.psm
 +
* 7 - Arena4.psm
 
|-
 
|-
−
| sp<n> ||
+
| sp<n> || ''Sound panning n?''
 
|-
 
|-
 
| sw<n> || sw<n> sets an internal counter to max(current value, n). This counter is decreased at a rate of either 2 or 4 units per game tick, down to 0. If the counter gets to 100 or above, the game pauses for a little while.
 
| sw<n> || sw<n> sets an internal counter to max(current value, n). This counter is decreased at a rate of either 2 or 4 units per game tick, down to 0. If the counter gets to 100 or above, the game pauses for a little while.
Line 278: Line 441:
 
| t ||
 
| t ||
 
|-
 
|-
−
| ||
+
| ua ||
 +
|-
 +
| ub || ''motion blur''
 +
|-
 +
| uc ||
 +
|-
 +
| ud ||
 +
|-
 +
| ue ||
 +
|-
 +
| uf ||
 +
|-
 +
| ug ||
 +
|-
 +
| uh ||
 +
|-
 +
| uj ||
 +
|-
 +
| ul ||
 +
|-
 +
| un ||
 +
|-
 +
| ur ||
 +
|-
 +
| us ||
 +
|-
 +
| uz ||
 +
|-
 +
| v ||
 +
|-
 +
| vsx || also does v. Never used?
 +
|-
 +
| vsy || actually vsK where K is anything other than x. also does v. Never used?
 +
|-
 +
| w ||
 +
|-
 +
|colspan=2| <hr>
 +
|-
 +
| '''x<...>''' || /x-?\+?=?-?\+?[0-9]*/ is accepted but in practice it'll be one of...
 +
|-
 +
| x-<n> || ''Move x by n left?''
 +
|-
 +
| x+<n> || ''Move x by n right?''
 +
|-
 +
| x=<n> || ''Interpolate to x=<m> on previous frame?''
 
|-
 
|-
−
| ||
+
| x<n> || If unspecified, a value of 100 is assumed. ''Set x to n?''
 
|-
 
|-
−
| ||
+
|colspan=2| <hr>
 
|-
 
|-
−
| ||
+
| '''y<...>''' || /y-?\+?=?-?\+?[0-9]*/ is accepted but in practice it'll be one of...
 
|-
 
|-
−
| r || ''Flip sprite horizontally''
+
| y-<n> || ''Move y by n left?''
 
|-
 
|-
−
| s<n> || ''Play sound n''
+
| y+<n> || ''Move y by n right?''
 +
|-
 +
| y=<n> || ''Interpolate to y=<m> on previous frame?''
 +
|-
 +
| y<n> || If unspecified, a value of 100 is assumed. ''Set y to n?''
 +
|-
 +
|colspan=2| <hr>
 +
|-
 +
| '''z<...>''' || The z tags specify which attacks the player is invunlerable to, for the duration of the frame.
 +
<!--
 +
The Z Tags
 +
zz: total invincibility?
 +
all frames of Rising Blade
 +
frames 1-2 of Jag Leaps
 +
zp: on early frames of Shadow Headbutt, f1-3 of Flip Kick - inv. projectiles?
 +
zj: invincible to jumps?
 +
all frames of Rising Talon
 +
frames 1-2 of Flip Kick
 +
-->
 +
|-
 +
| zg || '''0x0004''' Never used?
 +
|-
 +
| zh || '''0x0040''' Never used?
 
|-
 
|-
−
| sf<n> || ''Sound frequency n''
+
| zj || '''0x0080''' ''Player is invincible to jumping attacks?''
 
|-
 
|-
−
| sl<n> || ''Sound loudness n''
+
| zl || '''0x0010''' Never used?
 
|-
 
|-
−
| sp<n> || ''Sound panning n?''
+
| zm || '''0x0020''' Never used?
 
|-
 
|-
−
| ub || ''motion blur''
+
| zp || '''0x0100''' ''Player is invincible to projectiles?''
 
|-
 
|-
−
| zz || ''Player is invincible for this frame''  
+
| zz || '''0xFFFF''' Combination of all other z flags. ''Player is invincible for this frame''  
 
|}
 
|}
 +
 +
== Error handling ==
 +
 +
A handful of animation strings used by the AF and BK files provided with OMF2097 are ill-formed. The behaviour in the case of ill-formed strings in the OMF engine is inconsistent, but at least the following non-tags must be accepted and ignored by any correct parser:
 +
 +
{| cellpadding="4" style="border:1px solid darkgray;"
 +
! Tag !! Used by !! Notes
 +
|-
 +
| zc  || Pyros' Shadow Super Thrust <pre>x+4zcubs21l50zp</pre>
 +
      || Probably a typo for zp. It looks like someone added 'zp's at the end of all the tags later when it was found to be not working properly (probably because of this zc). The tags for the frames before and after both contain zp.
 +
|}

Latest revision as of 02:11, 16 January 2013

Basic format

Animation strings are of the form: 

<frame descriptor 1>-<frame descriptor 2>-...-<frame descriptor n>

Frame descriptors are a sequence of lowercase tags followed by an uppercase frame letter and an integer frame duration: 

zzA1

For instance: 

x-5A3-x-3B2-x-2C1-x-1D1

divides up as:

Tags Frame Duration
x-5 A 3
x-3 B 2
x-2 C 1
x-1 D 1

Tags

There are a lot of available tags. Not all of them are understood. Some of them take numeric parameters, which are indicated in angle brackets below. Such parameters must match the regular expression: 

 -?+\?[0-9]*

An omitted parameter is treated as 0.

Here's a complete list of all tags. Descriptions in italics may be unreliable.

Tag Notes
aa
ab
ac
ad
ae Never used?
af
ag
ai
am
ao
as
at
aw
ax
ar
al Never used?
b<...> The b codes control the rendering method used for the sprite. A variable b is set to a visibility level, and is linearly interpolated throughout the frame from the bs value to the bf value, if the bs value has been specified and is not zero. Otherwise the b value is set to the bf value. 
<math>
b = bs ? (bs + (bf - bs) * tick / ticksThisFrame) : bf
</math>

The bf value is set by the tags bb, bf, bj, bl, bm. These tags all also set some bflags which control the rendering effect.

b1 = 0x2000
b2 = 0x4000
bb<n> = 0x0010, bf := n Screen shake with magnitude n
be = 0x0800 Something related to victory/scrap/destruction animations?
bf<n> = 0x0001, bf := n Blend finish with opacity n < 256
bh = 0x0040
bl<n> = 0x0008, bf := n
bm<n> = 0x0100, bf := n
bj<n> = 0x0400, bf := n
bs<n> bs := n Blend start with opacity n < 256 (the sprite is drawn at this opacity at the start of the frame and gradually transitioned to whatever is set as the blend finish value)
bu = 0x8000
bw = 0x0080
bx = 0x0002
bp<...> The bp codes control scene and entity lighting and colouring. A variable bp is set to a colour level, and is linearly interpolated throughout the frame from the bpb value to the bpp value. The bpd tag specifies a reference colour (r,g,b) by palette index. 
bp = bpb + (bpp - bpb) * tick / ticksThisFrame
for i = bps to bps + bpn:
  if bz:
    m = max(r_i, g_i, b_i)
    r_i' = r_i + m/64 * bp/64 * (r - r_i*)
    g_i' = g_i + m/64 * bp/64 * (g - g_i*)
    b_i' = b_i + m/64 * bp/64 * (b - b_i*)
  else:
    r_i' = r * bp/64
    g_i' = g_i * (1 - bp/64) + g * bp/64
    b_i' = b_i * (1 - bp/64) + b * bp/64
    
  r_i = max(0, min(63, r_i'))
  g_i = max(0, min(63, g_i'))
  b_i = max(0, min(63, b_i'))

In the above, r_i* is the original (unmodified) value.

bpd<n> bpd := n

Specifies a colour (reference palette index)

bps<n> bps := n

Starting palette index

bpn<n> bpn := n

Palette entry count

bpf Blend Palette Fighter: If this is the HAR for player 2 then bps48 bpn48 (second robot's colours) else bps1 bpn47 (first robot's colours)
bpp<n> bpb := n, bpp := n

Set both initial and final colour level.

bpb<n> bpb := n

Initial colour level for blending. Specify bpp first.

bpo bpo := 1

Disables palette effects. Only used in CREDITS.BK.

bz

If specified, a colour tint effect will be used, otherwise a green-blue lightning effect will be used.

ba<n> Only used by CREDITS.BK
bc<n> Only used by CREDITS.BK
bd Only used by CREDITS.BK
bg Only used by CREDITS.BK
bi<n> Only used by CREDITS.BK
bk<n> crashes if not in arena?
bn
bo<n>
br Draw additively
bt
by
cf Used by Shadow's destruction (AF1:61)
cg Used by Katana's rising blade (normal and extended) (AF5:22,23)
cl Used by Pyros' scrap (both parts) (AF3:35,38)
cp Apply the damage for the current animation to opponent
cw Used by Flail's charging moves (charge punch, strong punch, scrap 2) (AF7:33,35,36)
cx<n> Used by:
  • Jaguar's ?? (AF0:38)
  • Thorn's off-wall attack (AF2:39)
  • Electra's ?? (AF4:33)
  • Katana's razor spins (AF5:25,26,27,28)
  • Flail's chain spins (AF7:31,39),
  • Gargoyle standing pose and diving claw grab (AF8:1,35),
  • Chronos' ?? (AF9:38,39)
cy<n>
d<n> Jump back into the animation as if N 'ticks' have already occured, for example, d1 will jump back to the start of the animation, but d200 will jump into the animation at whatever point the animation would be 200 ticks after it had started.
e
f toggle flag Flip sprite verticially
g
h
i
j<...> It is hypothesized that the j tags define which moves can 'chain' to which other moves. Possibly jh moves only chain to high moves, jm moves only chain to mid moves, jl moves only chain to low moves. (The distinction between a mid and low move is unclear at this point.) jf moves appear to chain to your scrap move (f=finisher here).

It is unknown whether jn<n> is part of this block of tags or a separate tag.

jf2
jf
jg
jh
jj
jl
jm
jp
jz combination of all other j flags except jn. Only used by (AF5:35).
jn<n>
k<n>
l<n>
ma<n> if n == 1000 then n := random(360)
mc
md<n> Destroy animation n
mg<n>
mi<n>
mm<n> mm := n
mn<n>
mo something involving HARs, applied to object mm
mp<n>
mrx<n> mx := random(320 - 2*mm) + n
mry<n> my := random(200 - 2*mm) + n
ms my := -4 * (f1C - 188)
mu<n> similar to mo, n < 1024, applied to object mm
mx<n> mx := n
my<n> my := n
m<n> Create instance of animation n
n
ox<n> ox := n
oy<n> oy := n
pa
pb<n> n < 512
pc<n> n < 512
pd<n> n < 256
pe make pa, pb, pc, pd operate on the other HAR
ph disable pa, pb, pc, pd
pp<n>
ps update a color palette
ptd<n>
ptp<n>
ptr<n>
q
r toggle a global Flip sprite horizontally
s<n> Play sound n
sa
sb<n> same as se<n> plus setting one other value to n
sc<n> sc0 is different from other sc tags
sd
se<n> similar to sl<n+1> (the latter also clears the high byte of the value)
sf<n> Sound frequency n
sl<n> Sound loudness n
smf<n>
smo<n> Play music track <n>. The track to play is one of the following:
  • 0 - No music
  • 1 - End.psm
  • 2 - Menu.psm
  • 3 - Arena0.psm
  • 4 - Arena1.psm
  • 5 - Arena2.psm
  • 6 - Arena3.psm
  • 7 - Arena4.psm
sp<n> Sound panning n?
sw<n> sw<n> sets an internal counter to max(current value, n). This counter is decreased at a rate of either 2 or 4 units per game tick, down to 0. If the counter gets to 100 or above, the game pauses for a little while.
t
ua
ub motion blur
uc
ud
ue
uf
ug
uh
uj
ul
un
ur
us
uz
v
vsx also does v. Never used?
vsy actually vsK where K is anything other than x. also does v. Never used?
w
x<...> /x-?\+?=?-?\+?[0-9]*/ is accepted but in practice it'll be one of...
x-<n> Move x by n left?
x+<n> Move x by n right?
x=<n> Interpolate to x=<m> on previous frame?
x<n> If unspecified, a value of 100 is assumed. Set x to n?
y<...> /y-?\+?=?-?\+?[0-9]*/ is accepted but in practice it'll be one of...
y-<n> Move y by n left?
y+<n> Move y by n right?
y=<n> Interpolate to y=<m> on previous frame?
y<n> If unspecified, a value of 100 is assumed. Set y to n?
z<...> The z tags specify which attacks the player is invunlerable to, for the duration of the frame.
zg 0x0004 Never used?
zh 0x0040 Never used?
zj 0x0080 Player is invincible to jumping attacks?
zl 0x0010 Never used?
zm 0x0020 Never used?
zp 0x0100 Player is invincible to projectiles?
zz 0xFFFF Combination of all other z flags. Player is invincible for this frame

Error handling

A handful of animation strings used by the AF and BK files provided with OMF2097 are ill-formed. The behaviour in the case of ill-formed strings in the OMF engine is inconsistent, but at least the following non-tags must be accepted and ignored by any correct parser:

Tag Used by Notes
zc Pyros' Shadow Super Thrust 
x+4zcubs21l50zp
 Probably a typo for zp. It looks like someone added 'zp's at the end of all the tags later when it was found to be not working properly (probably because of this zc). The tags for the frames before and after both contain zp.
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