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Embed controls.png into binary so it can run from any directory

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The spritesheet is compiled in as a C byte array. An external
controls.png in cwd still takes precedence for skinning. Includes
tools/embed_png.py to regenerate the header if the asset changes.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Michael Smith
2026-02-13 10:25:22 +01:00
parent 8f8cbc97c7
commit 7e67589150
5 changed files with 2168 additions and 3 deletions
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docs/sdlamp2-fsd.md
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@@ -43,6 +43,11 @@ This document specifies the functional requirements for an SDL2 based media play
## 6. Changelog
### 2026-02-13 — Embed controls spritesheet into binary
- **Embedded asset**: `controls.png` is now compiled into the binary as a C byte array (`src/controls_png.h`), eliminating the requirement to run from the `build/` directory.
- **External override**: If a `controls.png` file exists in the current working directory, it is loaded in preference to the embedded data, preserving the ability to use custom skins.
### 2026-02-11 — Debug flag for input diagnostics
- **`--debug` flag**: New command-line option (`./sdlamp2 --debug [audio_dir]`) that enables verbose logging of all SDL input events to stdout. Designed to diagnose controller issues on retro handheld devices where non-standard controllers may not be recognized by SDL's GameController API.