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Report the instrument's automatable parameters to the host under a frozen id table, in signal-flow order, with real units

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42 of 44 ids issued: pitch key-track and Trigger length stay reserved
pending a live path. Master gain reclassified Live — it never reloaded.
This commit is contained in:
Daniel Harvey
2026-08-02 15:14:16 -04:00
parent c7afa3a80f
commit bfaa0f2614
38 changed files with 1742 additions and 218 deletions
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CLAUDE.md
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@@ -6,7 +6,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
**ReaSampler** is a per-project audio sample-bank capture tool that builds two artifacts: the REAPER extension (`reaper_reasampler`) and **ReaSampler 9000**, a Windows-only VST3 sampler instrument (`reasampler_9000.vst3`, `core/instrument/` + `shell/instrument/`, second CMake target `reasampler_vst`, gated on the vendored `vendor/vst3sdk` submodule slice). The pure-testable-core / REAPER-facing-shell discipline is preserved throughout: `core/` never includes REAPER or VST3 SDK types, `shell/` is where those hosts are actually touched, `app/` is the extension entry point. Every REAPER API name cited in project docs is correct-by-intent; verify argument order, types, and flag values against `vendor/reaper-sdk/sdk/reaper_plugin_functions.h` before use.
Per-module detail — what each file owns, its invariants — lives in the twenty-three per-directory `src/**/CLAUDE.md` files; see the compact map in "Architecture: the load-bearing split" below to find the right one. Landed-phase history lives in `docs/ARCHIVE.md`; current work lives in `docs/COMPLETED.md`, `docs/TODO.md`, and `docs/TODO-1.0.md` — see "Project docs" below.
Per-module detail — what each file owns, its invariants — lives in the twenty-four per-directory `src/**/CLAUDE.md` files; see the compact map in "Architecture: the load-bearing split" below to find the right one. Landed-phase history lives in `docs/ARCHIVE.md`; current work lives in `docs/COMPLETED.md`, `docs/TODO.md`, and `docs/TODO-1.0.md` — see "Project docs" below.
## Settled decisions
@@ -84,7 +84,7 @@ There is no hot-reload. Copy the **Release** build's binary (`build/Release/` on
## Architecture: the load-bearing split
`core/` holds pure, unit-testable logic — no REAPER or VST3 SDK types, each with a corresponding `<module>_tests` target that runs without a DAW. `shell/` holds the REAPER/host-facing shells — where those SDK types are actually touched. `app/` is the extension entry point. Each of the twenty-three directories below carries its own `CLAUDE.md` with the full module list and that area's invariants — open the relevant one for detail; this file states only repo-wide truth.
`core/` holds pure, unit-testable logic — no REAPER or VST3 SDK types, each with a corresponding `<module>_tests` target that runs without a DAW. `shell/` holds the REAPER/host-facing shells — where those SDK types are actually touched. `app/` is the extension entry point. Each of the twenty-four directories below carries its own `CLAUDE.md` with the full module list and that area's invariants — open the relevant one for detail; this file states only repo-wide truth.
| Directory | Scope |
|---|---|
@@ -95,6 +95,7 @@ There is no hot-reload. Copy the **Release** build's binary (`build/Release/` on
| `src/core/instrument/bake/` | the resample bake's pure half — the programmed note resolved to a frame window, the offline render over a bake-only voice engine, and the post-bake reset |
| `src/core/instrument/engine/filter/` | pure per-voice resonant TPT/SVF filter (HP→BP→LP / HP→notch→LP morph, drive stage), run by each `Voice` between the pitch and amp stages |
| `src/core/instrument/note/` | the programmed capture-signal model — musical divisions, tempo resolution, anchored offsets |
| `src/core/instrument/param/` | the VST3 parameter surface's pure half — the FOREVER-FROZEN id table, the exposed set derived from the commit predicate, the plain-value layer, and the one formatter per unit category |
| `src/core/json/` | the hand-rolled JSON lexical layer |
| `src/core/model/` | the pure bank/sample index and its multi-bank container |
| `src/core/reclaim/` | pure prune orphan computation |
@@ -117,7 +118,8 @@ There is no hot-reload. Copy the **Release** build's binary (`build/Release/` on
The top-level split is by the pure/shell discipline: `core/` never includes REAPER or VST3 SDK
types; `shell/` is where those host types are actually touched — the discriminator is "may this
file touch a host type, REAPER *or* VST3 SDK." Subsystem directories sit beneath `core/` (see the
table above); `core/instrument/` further subdivides into `engine/` / `map/` / `note/` / `ui/`. Namespaces
table above); `core/instrument/` further subdivides into `bake/` / `engine/` / `map/` / `note/` /
`param/` / `ui/`. Namespaces
mirror directories — `reasampler::<subsystem>` for `core/`, house style for `shell/`. `app/` holds
`main.cpp` only: API-pointer ownership, `ReaperPluginEntry`, and dispatch.