arcattackandClaude Fable 5
14c0dd06f5
Interim pod-like grouping ahead of the authentic ConfigureMappables/ ChooseButton mapper channels (decomp-anchored in open-questions): - Three fire channels like three pod buttons: gBTWeaponTrigger (lasers, key 1 or SPACE), gBTPPCTrigger (PPCs, key 2), gBTMissileTrigger (missiles, key 3 or CTRL). Keyboard only per user (mouse buttons removed). - EmitterSimulation picks its channel by classID (PPC 3028 vs Emitter 3016); BT_AUTOFIRE holds all three. - The BT_BEAM_LOG sampler modulus 30 aliased to ONE weapon under the new synchronized 5-beam volleys (5 | 30) -> 31 (coprime). Verified: all 5 energy weapons fire (31 samples each), aimed hits land, kill completes. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
70 lines
4.2 KiB
Markdown
70 lines
4.2 KiB
Markdown
---
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id: build-and-run
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title: "Build / Run / Debug — recipe, repo layout, env gates"
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status: established
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source_sections: "PROGRESS_LOG.md §10a, §10a-bis; README.md"
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related_topics: [wintesla-port, decomp-reference, reconstruction-method]
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key_terms: [BTL4OPT, cdb, BTL4.RES, EGG, WinTesla]
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---
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# Build / Run / Debug
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The one top-level `CMakeLists.txt` builds `munga_engine` (engine) + `bt410_l4` (reconstructed BT
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game lib) + `btl4.exe`. Full recipe + repo-layout map: `docs/PROGRESS_LOG.md §10a / §10a-bis` +
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`README.md`. Env-gate table: [[decomp-reference]] §6.
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## Build (Win32 / VS2019 BuildTools — the DXSDK link libs are Lib/x86)
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```
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# configure once:
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cmake -S C:\git\bt411 -B C:\git\bt411\build -G "Visual Studio 16 2019" -A Win32 \
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-DCMAKE_GENERATOR_INSTANCE="C:/Program Files (x86)/Microsoft Visual Studio/2019/BuildTools"
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# build:
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cmake --build C:\git\bt411\build --config Debug
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```
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- Links DXSDK d3d9/d3dx9/dinput8 + OpenAL/libsndfile (`engine/lib/`). DXSDK June 2010 at
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`C:\Program Files (x86)\Microsoft DirectX SDK (June 2010)\` (overridable `-DDXSDK`). [T2]
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- Linker uses **`/FORCE`** — tolerates header-defined globals + the **dead offline-factory
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unresolved externals in mech3.cpp** (`Mech::CreateSubsystemStream` references `void*`-signature
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`CreateStreamedSubsystem` for every class; never called at runtime). ⚠ `/FORCE` also HIDES real
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unresolved symbols as runtime AVs — see [[reconstruction-gotchas]] §6. [T2]
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- Editing an `engine/` file rebuilds the engine lib automatically (one project). A NEW member on a
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`DPLRenderer`/`d3d_OBJECT` class needs the game objs that embed its layout recompiled — delete
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stale objs if layout-mismatch corruption appears. [T2]
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- ⚠ Kill the running exe before rebuilding (`taskkill //F //IM btl4.exe`) or you get LNK1104.
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## Run
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```
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run\run.cmd [EGG] # default DEV.EGG; cd's to content\ and runs btl4.exe -egg <EGG>
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```
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- **cwd MUST be `content\`** — the engine resolves `BTL4.RES`, `VIDEO\`, `BTDPL.INI`, eggs relative
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to cwd (the `loadTables` gotcha: `L4VIDEO.cpp:849` `fopen("VIDEO\\REPLACEMATS.tbl")` is relative +
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unchecked → fread on NULL if cwd is wrong). Logs to `btl4.log` in `content\` (or `BT_LOG=<file>`). [T2]
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- Interactive: **WASD** drive; weapon groups (keyboard, task #43) **1/Space** = lasers, **2** =
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PPCs, **3/Ctrl** = missiles; **X** all-stop; **V** cockpit/chase view. Default egg = `DEV.EGG`
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(map=grass, time=day). Swap mech via the egg's `vehicle=` (bhk1/madcat/…). The code path is
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mech-agnostic (verified — Mad Cat booted + fought with zero code changes). [T2]
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## Debug (cdb x86)
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`"C:\Program Files (x86)\Windows Kits\10\Debuggers\x86\cdb.exe"`. Pattern for a faulting stack (cwd
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= content\): `-g -c ".lines;sxe av;g;kp 24;q"` with `BT_ASSERT_TO_DEBUGGER=1`. Debug CRT fills fresh
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heap **0xCDCDCDCD** (uninit) + freed **0xFEEEFEEE** — invaluable for "was this ever constructed?".
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`BT_HEAPCHECK=1` = whole-heap validation every alloc/free (O(n²) at mission load — SLOW). To attach
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to a frozen abort dialog: `cdb -p <pid> -c ".lines;~*kp 30;q"`. [T2]
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## Repo layout (bt411)
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- **`engine/MUNGA/` + `engine/MUNGA_L4/`** — the shared 2007 MUNGA engine + Win32/D3D9 HAL (carries
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our BT render/loader work: bgfload/L4D3D/L4VIDEO + the image codec). `engine/shim/` (ATL),
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`engine/lib/` (OpenAL/libsndfile), `engine/rp/` (RP *headers* the audio HAL includes).
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- **`game/reconstructed/`** — the reconstructed BT source (the bulk).
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- **`game/original/BT/` + `BT_L4/`** — surviving original BT `.cpp` + **all BT headers** (the include path).
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- **`game/fwd/`** — ~186 forwarding shims (`#include <EXPLODE.hpp>` → `../../engine/MUNGA/<NAME>.h`).
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- **`game/btl4main.cpp`** — the WinMain launcher.
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- **`content/`** — the runtime tree (BTL4.RES, VIDEO/, GAUGE/, AUDIO/, eggs, BTDPL.INI). Run cwd.
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- **`reference/decomp/`** — the raw Ghidra pseudocode (`all/part_*.c`) — the source-of-truth.
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- **`docs/`** — the detailed ledgers (incl. `PROGRESS_LOG.md`, the full pre-restructure CLAUDE.md).
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- **`tools/`** — btconsole.py, disas2.py, map/res scanners. **`context/`** — this knowledge base.
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## Key Relationships
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- Base: [[wintesla-port]] (the engine build recipe).
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- Verify loop: [[reconstruction-method]]; env gates: [[decomp-reference]] §6.
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