WA Configuration System
WA uses three configuration layers: Windows Registry (primary), theme files, and weapon scheme files.
Registry
Path
HKEY_CURRENT_USER\Software\Team17SoftwareLTD\WormsArmageddon\
├── Data
├── Options
├── ExportVideo
└── VSyncAssist
Company name string at 0x6623DC ("Team17SoftwareLTD"), app name at 0x66237C.
MFC CWinApp Integration
WA uses MFC's CWinApp registry helpers. Dual-mode: if CWinApp+0x54 == 0, falls back to INI file via GetPrivateProfileIntA. Otherwise uses the registry.
| Function | Address | Xrefs | Notes |
|---|---|---|---|
CWinApp::GetAppRegistryKey |
0x5CC4FB | — | Opens HKCU\Software\{company}\{app} |
CWinApp::GetSectionKey |
0x5CC58C | — | Opens subsection (Options, Data, etc.) |
CWinApp::GetProfileIntW |
0x5CC5D2 | 68 | Reads int from registry or INI |
CWinApp::WriteProfileInt |
0x5CC63B | 55 | Writes int to registry or INI |
CWinApp::WriteProfileStringA |
0x5CC6C2 | — | Writes string to registry or INI |
CWinApp::GetProfileStringA |
0x5CC758 | — | Reads string from registry or INI |
Registry access flags: 0x2001F (KEY_READ | KEY_WRITE).
Registry Cleanup
Registry__CleanAll (0x4C90D0) deletes all 4 subsections recursively via Registry__DeleteKeyRecursive (0x4E4D10), also clears the "NetSettings" INI section.
Game Options
GameInfo__LoadOptions (0x460AC0) reads options from the "Options" registry section into the GameInfo struct. Called from GameInfo__InitSession (0x4608E0).
| Registry Key | Default | GameInfo Offset | Type | Notes |
|---|---|---|---|---|
| DetailLevel | 5 | +0xF3A1 | byte | |
| EnergyBar | 1 | +0xF3A2 | byte | |
| InfoTransparency | 0 | +0xF3A3 | byte | |
| InfoSpy | 1 | +0xF3A4 | bool | Stored as != 0 |
| ChatPinned | 0 | +0xF3A5 | byte | |
| ChatLines | 0 | +0xF3A8 | u32 | |
| PinnedChatLines | -1 | +0xF3AC | u32 | |
| HomeLock | 0 | +0xF3B0 | byte | |
| BackgroundDebrisParallax | 0x50 | +0xF3E8 | fixed16.16 | Clamped to i16 range, then << 16 |
| TopmostExplosionOnomatopoeia | 0 | +0xF3EC | u32 | |
| CaptureTransparentPNGs | 0 | +0xF3DC | u32 | |
| CameraUnlockMouseSpeed | 0x10 | +0xF3E0 | u32 | Squared; clamped to max 0xB504 before squaring |
Additional values loaded from globals (not registry) into offsets: +0xF3B4..+0xF3D0, +0xF3D4..+0xF3D8, +0xF3F4..+0xF400 (conditional on DAT_0088C374), +0xDAE8, +0xF3E4.
The struct also stores:
- Speech path at +0xF404:
sprintf("%s\\user\\speech", baseDir) - Land data path at +0xDAEC:
"data\land.dat"(from string at 0x64DA58)
Options__GetCrashReportURL (0x5A63F0) reads "CrashReportURL" from the Options section for crash reporting.
Theme File (data\current.thm)
Binary format, variable length. Contains visual/audio theme settings.
| Function | Address | Notes |
|---|---|---|
Theme__GetFileSize |
0x44BA80 | Opens file, returns length (0 if missing) |
Theme__Load |
0x44BB20 | Reads entire file into buffer; AfxMessageBox if missing |
Theme__Save |
0x44BBC0 | Writes buffer to file; AfxMessageBox on create failure |
Save Flow
Frontend__OnOptionsAccept (0x48DAB0) triggers on screen 0x27:
- Calls
FUN_0048D7C0(unknown setup) - Calls
Frontend__ApplyOptions(0x440940) with frontend data - Calls
Frontend__SaveTheme(0x490E60) with path"data\current.thm" - Calls
FrontendChangeScreento navigate away
Weapon Schemes (.wsc)
Stored as .wsc files under User\Schemes\. Full format spec: worms2d.info/Game_scheme_file.
Functions
| Function | Address | Signature | Notes |
|---|---|---|---|
Scheme__ReadFile |
0x4D3890 | stdcall(dest, path, flag, out_ptr) → u32, RET 0x10 | Reads .wsc into dest+0x14 |
Scheme__SaveFile |
0x4D44F0 | thiscall(this, name, flag), RET 0x8 | Writes struct to .wsc |
Scheme__DetectVersion |
0x4D4480 | Uses ESI (non-standard) → 1/2/3 | Compares V3 extension bytes |
Scheme__FileExists |
0x4D4CD0 | stdcall(name) → 0/1, RET 0x4 | Path: User\Schemes\%s.wsc |
Scheme__FileExistsNumbered |
0x4D4E00 | stdcall(...) | Path: User\Schemes\{%02d} %s.wsc |
Scheme__InitFromData |
0x4D5020 | fastcall(?, data, dest, name) | Copies payload + V3 defaults |
Scheme__CheckWeaponLimits |
0x4D50E0 | — → 0/1 | Validates ammo vs max table (39 weapons) |
Scheme__ValidateExtendedOptions |
0x4D5110 | Uses EAX → 0/1 | V3 field range checks |
Scheme__ScanDirectory |
0x4D54E0 | — | Finds {NN} name.wsc files |
Scheme__ExtractBuiltins |
0x4D5720 | — | Extracts PE resources (IDs 0x3CA-0x3D6) |
Data
| Symbol | Address | Size | Notes |
|---|---|---|---|
SCHEME_V3_DEFAULTS |
0x649AB8 | 110 bytes | Default extended options for V1/V2 |
SCHEME_WEAPON_AMMO_LIMITS |
0x6AD130 | 39 bytes | Max ammo per weapon (V1 set) |
File Format
Binary, little-endian. Header: "SCHM" (4 bytes) + version byte (1 byte) + payload.
| Version | Payload | Total | Content |
|---|---|---|---|
| V1 (0x01) | 0xD8 (216) | 221 | 36 options + 45 weapons × 4 |
| V2 (0x02) | 0x124 (292) | 297 | V1 + 19 super weapons × 4 |
| V3 (0x03) | 0x192 (402) | 407 | V2 + 110 extended options |
Payload Layout
Game Options (36 bytes, payload +0x00):
| Offset | Size | Field | Notes |
|---|---|---|---|
| +0x00 | 1 | hot_seat_delay | Seconds between turns |
| +0x01 | 1 | retreat_time | Seconds after weapon use |
| +0x02 | 1 | rope_retreat_time | Seconds after rope weapon use |
| +0x03 | 1 | display_total_round_time | bool |
| +0x04 | 1 | automatic_replays | bool |
| +0x05 | 1 | fall_damage | Damage at critical velocity |
| +0x06 | 1 | artillery_mode | bool |
| +0x07 | 1 | bounty_mode | 0x00/0x5F/0x89 |
| +0x08 | 1 | stockpiling | 0=Off, 1=On, 2=Anti |
| +0x09 | 1 | worm_select | 0=Sequential, 1=Manual, 2=Random |
| +0x0A | 1 | sudden_death_event | 0=RoundEnds, 1=Nuke, 2=HP→1, 3=Nothing |
| +0x0B | 1 | water_rise_rate | Flooding speed |
| +0x0C | 1 | weapon_crate_probability | i8, -100 to 100 |
| +0x0D | 1 | donor_cards | bool |
| +0x0E | 1 | health_crate_probability | i8 |
| +0x0F | 1 | health_crate_energy | Energy from health crate |
| +0x10 | 1 | utility_crate_probability | i8 |
| +0x11 | 1 | hazardous_object_types | Bitmask |
| +0x12 | 1 | mine_delay | i8, seconds (0x80+=random) |
| +0x13 | 1 | dud_mines | bool |
| +0x14 | 1 | manual_worm_placement | bool |
| +0x15 | 1 | worm_energy | 0=instant death |
| +0x16 | 1 | turn_time | Seconds |
| +0x17 | 1 | round_time | Minutes (0=immediate SD) |
| +0x18 | 1 | number_of_wins | Rounds to win match |
| +0x19 | 1 | blood | false=pink, true=red |
| +0x1A | 1 | aqua_sheep | bool |
| +0x1B | 1 | sheep_heaven | bool |
| +0x1C | 1 | god_worms | bool |
| +0x1D | 1 | indestructible_land | bool |
| +0x1E | 1 | upgraded_grenade | bool |
| +0x1F | 1 | upgraded_shotgun | bool |
| +0x20 | 1 | upgraded_clusters | bool |
| +0x21 | 1 | upgraded_longbow | bool |
| +0x22 | 1 | team_weapons | bool |
| +0x23 | 1 | super_weapons | bool |
Per-Weapon (4 bytes each, payload +0x24):
[ammo, power, delay, crate_probability] — 45 weapons (V1), 64 weapons (V2+).
V3 Extended Options (110 bytes, payload +0x124):
Physics (gravity, friction, wind), RubberWorm modifiers, glitch toggles, and gameplay extensions. See scheme.rs::ExtendedOptions for full field list. Uses fixed-point 16.16 and tri-state (0/1/0x80) types.
Callers of Scheme__ReadFile
| Address | Context |
|---|---|
| 0x4A1D18 | Frontend/options dialog |
| 0x4B4B92 | Multiplayer scheme loading |
| 0x4CC425 | Mission/campaign loading |
Data Files
| File | String Address | Notes |
|---|---|---|
data\land.dat |
0x64DA58 | Landscape/terrain data |
custom.dat |
0x64DA88 | Custom content |
steam.dat |
0x662808 | Steam integration data |