Artvasil09
4f8ae0893b
Add native assembly scenes and assets for Slots (777), Coin flip, and European Roulette; add 3D hall furniture packs and prompts; improve Russian UI strings in CP1251; update launcher hash and rebuild shipping binaries.
64 lines
3.4 KiB
Markdown
64 lines
3.4 KiB
Markdown
# Native 777
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The 777 cabinet in the hall now opens a playable first-person graphical slot
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machine, rather than the unavailable panel or a console routine. Runtime rules,
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input, reel movement, sprite clipping and bank settlement are MASM only.
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## Rules
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There is one paying line: the middle symbol on each of three independent drums.
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Each drum has 20 stops, with these symbol counts: cherries 5, lemon 4, grapes 3,
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bell 3, BAR 2, seven 1, diamond 1 and crown 1. Stops are sampled once when the
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stake is charged; animation and repeated renderer calls cannot reroll them.
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Three matches pay gross multipliers: seven 100, cherries 8, lemon 10, bell 15,
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BAR 25, grapes 12, diamond 60 and crown 150. Exactly two cherries pay 2x;
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any other exact pair returns 1x. No match pays nothing. Gross payouts include
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the charged stake. Under uniformly sampled stops the configured return is
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7202 / 8000 = 90.025%; this is not a guarantee of individual-session results.
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Stake choices are 10, 50, 100, 500, 1000, 5000 and 10000. The native bank cap
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remains 1000000000. Stakes are saved immediately and outcomes are settled and
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saved once. An insufficient bankroll never starts a paid spin.
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## Interaction
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Space/Enter and the spin button start one spin; W/S, arrow keys or the minus/plus
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buttons change the stake between spins. P or the payouts button opens a separate
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paytable. Escape first closes that overlay without leaving the machine.
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During a spin, Escape or the header exit button queues a return to the same hall
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position after all three drums stop and the payout is saved. It does not pause,
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refund, forfeit a valid result, or allow another stake to be queued. Closing the
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application before settlement retains the already deducted stake; resumable
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pending rounds are not implemented.
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## Art And Timing
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The cabinet and eight symbol sprites were generated with the built-in image_gen
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tool in the existing detailed retro pixel-art direction. Source assets and exact
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prompts are in `assets/sprites/slots/`; the project does not depend on the tool's
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external image cache. `pack_slot_assets.py` normalizes them offline to one
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opaque 640x480 cabinet and eight alpha-tested 64x64 symbols in ANM1 packs.
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Reels move through their complete strips with a monotonic quadratic ease-out,
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stopping at 1800, 2400 and 3000 milliseconds. Icons are clipped to each reel's
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window; neighboring cabinet artwork cannot be overwritten. The opaque cabinet
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uses a direct framebuffer copy rather than alpha sampling every background pixel.
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No pre-rendered spin video, C game implementation or frame-dependent RNG is used.
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## Verification
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`test_casino_actions.ps1 -SkipPreview` includes 8000 stop combinations, 500
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complete spins at four update rates, millisecond-by-millisecond monotonicity,
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idempotent payout, maximum-bank handling, missing/malformed assets, insufficient
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stakes, paytable and queued exit checks. Test saves remain disabled in the
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native test build. `check_slot_frames.py` checks eight real MASM framebuffer
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snapshots, sequential stops and symbol clipping. `check_slot_build.py` compares
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the shipping and test COFF code for every slot handler.
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`test_street_asset_paths.ps1` also initializes/frees the shipping native slot
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cabinet from project-root and TEMP working directories, without launching a window.
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CloverPit, talisman effects, native achievements and slot-specific profile
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statistics still need separate integration; the native 777 does not call their
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legacy console implementations.
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