38 lines
2.1 KiB
Markdown
38 lines
2.1 KiB
Markdown
# Opening-credit HD rendering
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The existing HD setting can display supplied replacements for the standalone
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opening-credit pictures. Each keeps its original 320×200 canvas and top-left
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origin, with original-picture fallback when a replacement is absent or rejected.
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| Picture | Original ID | Unfaded source palette |
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| --- | --- | --- |
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| `APOGEE_PIC` | `1002b` | `POGPAL_DAT` |
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| `CYGNUS_PIC` | `1002d` | `CYGPAL_DAT` |
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`Cinematic::still_picture` exposes the current card and its unfaded palette.
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`HdAssets::sprite_static_palette` quantizes supplied artwork using all 256 colors
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of that palette. Gameplay water/fire/flash index classes do not apply to these
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static palettes. The indexed cache distinguishes this policy from ordinary
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gameplay sprites while sharing source validation, RGBA residency and derived
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disk assets. Existing cinematic presentation applies the fade afterward, so
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black or partially faded colors never become quantization inputs.
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Opening timing, music and PCM patch generation are unchanged. AGX delta films
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and bitmap fonts retain their classic artwork and playback. This rendering
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support adds no artwork coverage; actual opening-card remasters still require
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source-palette, composition and artistic review before registration.
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Synthetic tests cover both cards at 1× and 4×, colors above index 239, complete
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fade phases, missing/rejected replacement fallback, separate cache policies,
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and unchanged world/pilot/RNG plus cinematic audio/music event streams. The
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complete synthetic opening remains 569 ticks. Local original-data checks also
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pass: the opening retains 966 ticks and the AGX intro retains 925 ticks, with
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their original cue times and palettes. The focused run passed 28 portable checks
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and both original-data cinematic checks on 2026-10-10.
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Run the desktop route fixtures from `RustRaptor/` with
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`cargo test --locked --lib opening_card`. The cinematic and palette/cache suites
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are `cargo test --locked --lib cinematics::tests::` and
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`cargo test --locked --lib hd::tests::`. Original-data checks require
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`RAPTOR_TEST_DATA=../data cargo test --locked --lib cinematics::tests:: -- --ignored`.
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