OBD:ONWC

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ONI BINARY DATA
ONVL << Other file types >> OPge
ONWC : Oni Weapon Class
Level 0 file
Struct def for OUP
Overview @ Oni Stuff
TXT overviews (27 kB each) :
"," decimals or "." decimals

There's an empty ONWC file in every level, and the 12 actual ONWC files are in level 0.

File size
1824 = 0x720 bytes
Example
w1_tap.ONWC (unless specified otherwise)
Structure
  • 0x08 - 0xD7 : MAIN WEAPON DATA (216 = 0xD8 bytes)
    • 0x08 - 0x53 : laser sight
    • 0x54 - 0x5F : ammo meter
    • 0x60 - 0xD7 : various weapon parameters
  • 0xD8 - 0x1D7 : FIRING MODE ARRAY (2 elements, 128 = 0x80 bytes each)
    • 0xD8 - 0x157 : primary firing mode
    • 0x158 - 0x1D7 : secondary firing mode
  • 0x1D8 - 0x6DC : WEAPON PARTICLE ARRAY (16 elements, 80 = 0x50 bytes each)
  • 0x6D8 - 0x71F : TRAILING CHUNK (68 =0x48 bytes)
    • weapon sounds, unheld weapon parameters, blank filler
Coordinates
Unless specified otherwise, they are relative to the weapon's mesh
(x = forwards, y = left, z = up)

0x00 - 0xD7

MAIN PART

onwc_a.gif

Offset Hex Translation Meaning
0x00 01 75 0E 00 3701 File ID (03701-w1_tap.ONWC)
0x04 01 00 00 00 0 level ID

0x08 - 0x53

LASER SIGHT PARAMETERS
Offset Hex Translation Meaning
0x08 F5 A4 49 40 3.150693 x-offset of the origin
0x0C F4 2C A5 3B 0.005041 y-offset of the origin
0x10 21 4E D2 3E 0.410752 z-offset of the origin
0x14 23 A6 7F 3F 0.998629 something like the stiffness (try setting it to 0.001 and lower)
0x18 AA 6C 56 BD -0.052349 additional azimuth
0x1C 69 66 AA B7 -0.000020 additional elevation
0x20 00 40 9C 45 5000.000000 maximal length of laser sight vector
0x24 00 00 FF FF Red, opaque laser sight color (RGBA)
0x28 01 94 05 00 1428 crosshair texture (link to 01428-target_1A.TXMP)
0x2C FF FF FF 00 White, transparent crosshair background color (RGBA)
0x30 CD CC 4C 3F 0.800000 crosshair scale factor
0x34 01 95 05 00 1429 locked crosshair texture (link to 01429-target_1B.TXMP)
0x38 FF FF FF 00 White, transparent locked crosshair background color (RGBA)
0x3C CD CC 4C 3F 0.800000 locked crosshair scale factor
0x40 00 00 00 00 not used tunnel texture (TXMP link)
0x44 FF FF FF 00 White, transparent tunnel background color (RGBA)
0x48 00 00 80 3F 1.000000 tunnel scale factor
0x4C 0F 00 00 00 15 number of tunnel textures
0x50 00 00 20 41 10.000000 spacing of tunnel textures
Crosshair
Default crosshair appears where the laser sight hits environment, corpses, etc
Locked crosshair appears when the laser sight hits characters (including the shooter)
"Tunnel" is used by w8_mbo as a complement to the crosshair
w2_sap, w5_sbg, w7_scc and w9_scr use it with no crosshair

0x54 - 0x5F

AMMO METER
Offset Hex Translation Meaning
0x54 01 7E 0E 00 3710 link to 03710-tap_icon.TXMP
0x58 01 7F 0E 00 3711 link to 03711-tap_empty.TXMP
0x5C 01 80 0E 00 3712 link to 03712-tap_fill.TXMP

0x60 - 0xD7

WEAPON PARAMETERS
Offset Hex Translation Meaning
0x60 01 76 0E 00 3702 link to 03702-.M3GM
0x64 w1_tap name of the weapon
0x84 00 00 80 3F 1.000000 unknown
0x88 A6 92 2B 3D 0.041888 recoil (e.g. for w1_tap and w2_sap)
0x8C 92 0A 86 3E 0.261799 unknown
0x90 00 00 A0 40 5.000000 unknown
0x94 E2 A3 7B 3B 0.003839 unknown
0x98 88 C3 E4 3A 0.001745 unknown
0x9C 00 00 00 00 0.000000 unknown
0xA0 00 00 00 00 0.000000 unknown
0xA4 00 00 00 00 0.000000 unknown
0xA8 00 00 00 00 0.000000 unknown
0xAC 00 00 00 00 0.000000 unknown
0xB0 00 00 00 00 0.000000 unknown
0xB4 00 00 00 00 0.000000 unknown
0xB8 00 00 00 00 0.000000 unknown
0xBC 00 00 00 00 0.000000 unknown
0xC0 00 00 0 unknown; always zero
0xC2 95 00 149 unknown
0xC4 A4 00 164 unknown
0xC6 19 00 25 pause after reload in 1/60 seconds
0xC8 0A 00 10 amount of shots
0xCA 06 00 6 amount of particles
0xCC 01 00 1 amount of firing modes
0xCE 0A 00 10 pause before reload in 1/60 seconds
0xD0 04 00 4 unknown
0xD2 00 00 0 unknown; always zero
0xD4 30 48 Flags 1 :
1 -  unknown, never used
2 -  weapon can't be holstered
4 -  weapon reloads with energy cells
8 -  weapon is a rifle (two-handed)
16 -  unknown, used for w1_tap and w2_sap
32 -  sustained fire
64 -  you can't shoot ...
128 -  unknown, used for w6_vdg
0xD5 C0 192 Flags 2 :
1 -  unknown, used for w4_psm
2 -  unknown, used for w5_sbg and w11_ba1
4 -  secondary fire enabled
8 -  weapon can't be reloaded
16 -  run, jump and creep disabled
32 -  unknown, used for w11_ba1
64 -  unknown, used for w1_tap, w2_sap and w3_phr
128 -  laser sight visible
0xD6 02 00 2 Flags 3 :
1 -  unknown, never used
2 -  unknown, used for w1_tap, w2_sap, w3_phr and w8_mbo
4 -  unknown, never used
8 -  weapon doesn't fade
16 -  unknown, used for w4_psm
32 -  unknown, never used
64 -  unknown, never used
128 -  unknown, never used


0xD8 - 0x1D7

FIRING MODES

Every ONWC has 2 firing mode slots (128 = 0x80 bytes each.)

The number of slots actually used by the weapon is specified at 0xCA.

0xD8 - 0x157

PRIMARY FIRING MODE

Offsets are given with respect to the start of the file.

Offset Raw hex Value Meaning
0xD8 00 00 0 unknown (1 for w9_scr)
0xDA 00 00 0 unknown; always zero
0xDC 23 A6 7F 3F 0.998629 unknown
0xE0 05 6D 56 3D 0.052350 unknown
0xE4 F4 8D A9 37 0.000020 unknown
0xE8 05 6D 56 BD -0.052350 unknown
0xEC 23 A6 7F 3F 0.998629 unknown
0xF0 D0 1D 0E B5 -0.000001 unknown
0xF4 F4 8D A9 B7 -0.000020 unknown
0xF8 D0 1D 0E B5 -0.000001 unknown
0xFC 00 00 80 3F 1.000000 unknown
0x100 00 00 00 00 0.000000 unknown; always zero
0x104 00 00 00 00 0.000000 unknown; always zero
0x108 00 00 00 00 0.000000 unknown; always zero
0x10C 23 A6 7F 3F 0.998629 unknown
0x110 AE 6C 56 BD -0.052349 unknown
0x114 AF 8D A9 B7 -0.000020 unknown
0x118 DC FE 08 3C 0.008362 unknown
0x11C 5C 11 23 3E 0.159246 unknown
0x120 39 C6 2A 3F 0.667087 unknown
0x124 00 00 61 44 900.000000 range of fire?
0x128 00 00 20 41 10.000000 unknown
0x12C 00 00 20 40 2.500000 unknown; always the same
0x130 00 00 96 43 300.000000 unknown
0x134 00 00 40 41 12.000000 unknown
0x138 00 00 61 44 900.000000 unknown
0x13C 05 00 5 unknown; always the same
0x13E 01 00 1 weapon ID (used by AI shooting skills)
0x140 00 00 00 00 0 unknown, 240 for w4_psm, 200 for v6_vdg
0x144 00 00 00 00 0.000000 unknown, something with grenades (150 for SBG, 160 for WMC)
0x148 00 00 00 00 0.000000 unknown, something with grenades (0.5 for SBG, 0.3 for WMC)
0x14C 00 00 34 43 180.000000 maximal range at which AI dodge/hide when fired at with this weapon (180 for w1_tap, 150 for w2_sap, 120 for w4_psm)
0x150 00 00 40 40 3.000000 minimal range at which AI dodge/hide when fired at with this weapon (3 for w1_tap, 3 for w2_sap, 10 for w4_psm)
0x154 50 77 D6 3D 0.104719 unknown (0.1 for w1_tap, 0.21 for w2_sap)

0x158 - 0x1D7

SECONDARY FIRING MODE

The only original weapon for which these fields are not all zero is w11_ba1.

They are the exact counterparts of the fields at 0xD8 - 0x157.


0x1D8 - 0x6DC

PARTICLES

Every ONWC has 16 particle slots (80 = 0x50 bytes each.)

The number of slots actually used by the weapon is specified at 0xCA.

Offsets are relative to the beginning of a slot.

Offset Raw hex Value Meaning
0x00 AE 6C 56 3D 0.052349 unknown
0x04 23 A6 7F 3F 0.998629 unknown
0x08 C2 53 90 B3 -6.720757e-8 unknown
0x0C 23 A6 7F 3F 0.998629 unknown
0x10 AE 6C 56 BD -0.052349 unknown
0x14 AF 8D A9 B7 -0.000020 unknown
0x18 BA 59 A9 B7 -0.000020 unknown
0x1C 5B 02 85 35 0.000001 unknown
0x20 00 00 80 BF -1.000000 unknown
0x24 6F 63 57 40 3.365444 x-offset of the particle spawn
0x28 B3 1D 89 BC -0.016738 y-offset of the particle spawn
0x2C C5 C1 2A 3F 0.667019 z-offset of the particle spawn
0x30 w1_tap_e01 weapon particle (06226-3RAPw1_tap_e01.BINA)
0x40 00 00 0 unknown; always zero
0x42 00 00 0 unknown; always zero
0x44 01 00 1 ammo decrement (different for the 2 firing modes of w11_ba1)
0x46 0C 00 12 delay between shots in frames (12 frames = 0.2 seconds)
0x48 04 00 4 unknown (looks like another delay)
0x4A 00 00 0 unknown, used for w4_psm and w11_ba1 (looks like another delay)
0x4C 00 00 0  0 : particle is fired with fire1
 1 : particle is fired with fire2
-1 : particle is triggered by other particles
0x4E 00 00 0 delay before firing
Orientation
The particle seems to be aligned with the x axis by default...
Hopefully a few of the unknown floats define rotations


0x6D8 - 0x71F

ENDING

onwc_e.gif

Offset Raw hex Value Meaning
0x6D8 weapon _empty empty weapon sound
(08992-weapon_empty.grp.OSBD)
(08993-weapon_empty.imp.OSBD)
0x6F8 00 00 00 00 0 unknown; always zero
0x6FC 01 81 0E 00 3713 link to 03713-w1_glow.TXMP
0x700 01 82 0E 00 3714 link to 03714-w1_glow_ammo.TXMP
0x704 00 00 80 3F 1.000000 x-scale factor of glow textures
0x708 00 00 80 3F 1.000000 z-scale factor of glow textures
0x70C 76 65 EB 3F 1.839034 x-offset of pickup handle
0x710 96 4C A9 3D 0.082666 y-offset of pickup handle
0x714 06 E2 14 3E 0.145393 z-offset of pickup handle
0x718 00 00 00 00 0.000000 hovering height of unheld weapon
0x71C AD DE dead blank filler
Glow textures
They're applied to the lower face of the M3GM's bounding box. The factors above are the ratio between the x/z extent of that face and the half-length/width of the glow textures. So if both factors are 0.5, the glow textures fit the bounding box exactly.
Pickup handle
The tolerance is hardcoded. The offsets are not relative to the weapon's axes, but to the world axes (!).
This is a rather nasty "feature" (actually, the offsets should be relative to the weapon's orientation)
The way it's now, the pickup volume of a WMC is not necessarily next to the handle. That's why it's hard to pick up.


Notes

ONI BINARY DATA
ONVL << Other file types >> OPge
ONWC : Oni Weapon Class
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