jpmschweitzerandClaude Opus 5
fab70edd5a
RimWorld's technique 4, the reference this ticket names, works by CONTRAST: the
Rockies and Appalachians carry dense hatching and the Great Plains carry none.
Ferrath's Global carried an even wash of dots over every landmass instead —
texture present, information absent.
The cause was a constant measured on the wrong rung. RUGGEDNESS_FULL_SCALE_Q = 4
comes from Region ("d4 2.38"), but the elev_q path it gates only ever RUNS at the
orbital rungs, where relief_q is flat and the stipple falls back to it. Ferrath
Global measures a mean 1-cell elev_q gradient of 0.99, so a coherent 4-cell
baseline reaches ~4 and saturates the constant exactly: every land cell read as
fully rugged.
It now normalizes against the canvas's own measured gradient — the same
self-calibrating shape T-1240 gave the hillshade, and for the same reason: one
constant cannot serve rungs whose sample spacing differs by four orders of
magnitude. A contrast curve rides on top, because even unsaturated the linear
reading puts ordinary ground mid-range and paints grain everywhere.
Measured on Global, before -> after: 1,679 -> 1,900 distinct colours, 145.90 ->
147.39 lum spread, and the pale uplands now stipple visibly denser than the
lowlands beside them.
Recorded because it cost two wrong turns: I first guessed saturation, then
talked myself out of it after measuring a 1-CELL gradient (0.99) against a full
scale meant for the 4-CELL baseline, and shipped a contrast curve alone — which
measurably did nothing (1,679 -> 1,698), because a curve cannot separate values
already clamped to 1.0. The gamma is kept; it does its job now that there is a
range to curve. The elev_q gradient joins relief_q's in the capture readout, so
the next person tuning this can read the number instead of guessing at it.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
114 lines
6.6 KiB
YAML
114 lines
6.6 KiB
YAML
name: The Settled Reach
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# Version scheme: 0.{phase}.{n} — phase = active Development Cascade phase (D-166).
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# Phase 4 (deterministic world generation) is active.
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# 0.4.1-tagged step canvases carried lake_margin_q's flat absolute-ceiling
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# semantics (pre-per-basin-normalization) and were written to real disk
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# caches during T-1188 eyeball runs — 0.4.2 forces those entries to miss.
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# 0.4.2-tagged Global/Region-rung step canvases sampled the coastline
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# position raw (no coast_warp_px) — T-1160 applies the warp at orbital
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# sampling, changing orbital-rung canvas bytes (elev_q/temperature_dc/
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# moisture_q shift near coasts) — 0.4.3 forces those cached entries to miss.
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# 0.4.3-tagged canvases predate the D-255 extent inversion (a rung now fixes
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# the canvas EXTENT and the gridunit spacing falls out, rather than the
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# reverse). District/Quarter/Block/Chunk kept the same 960x540 cell counts
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# through that change, so their cache keys are byte-identical while a District
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# canvas now covers 3.6 km of ground instead of 1,966 km — a warm cache would
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# silently serve pre-inversion canvases. 0.4.4 forces those entries to miss.
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# 0.4.4-tagged GLOBAL canvases are all 2x1 — `serve_step_canvas_request` was
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# still zeroing Global's wire extent (a pre-extent-inversion sentinel), so
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# every Global request resolved to a two-cell canvas regardless of viewport.
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# Those entries were also cached under a key that ignored extent, so they
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# answered every later request forever. 0.4.5 forces them to miss.
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# 0.4.5-tagged canvases carry pre-T-1237 river courses: one course per D8 HOP
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# rather than one per river (build_paths walks whole headwater->mouth rivers
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# now). The hop-shaped entries survived that fix because it changed only server
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# and client code, never this version — so Ferrath Global replayed 375 fragments
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# with a 106 km longest run, all of them below D-261's read-as-a-line floor, and
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# drew NOTHING, while a cold cache on the same build produced 73 whole rivers
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# with a 1,644 km trunk and drew 18. Diagnosed as T-1239. 0.4.6 forces them to
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# miss.
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#
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# THE PATTERN, now four bumps deep: a change to how a canvas is GENERATED is
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# only half the change — the other half is this line. Nothing enforces the
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# pairing, so a canvas-generation commit that leaves this version alone ships a
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# silent regression that reproduces only on machines with a warm cache. The
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# capture harness no longer hides it (tests/run-visual isolates user:// per run,
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# T-1239), but a real player's cache is still governed by this number alone.
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# 0.4.7 carries NO canvas-generation change — it is the gate that enforces the
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# pairing described above, arriving (T-1242). tooling/canvas_sources.py lists the
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# paths, tooling/check-canvas-version rejects a push that touches them without
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# moving this line, and the registry includes ITSELF so that narrowing it and
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# changing a canvas file in one push still demands a bump. That self-inclusion is
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# why this bump exists: adding the registry trips its own rule. The version is
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# spent rather than special-cased, because "this change is obviously harmless" is
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# the reasoning that produced all five regressions above.
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# 0.4.8 also carries NO canvas-generation change: a test-only edit to
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# composition.rs (its conservation assertion was a tautology) tripped the T-1242
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# gate, because that gate is path-based and cannot tell test code from generator
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# code. Second no-op bump in two days — the false-positive rate is real, and is
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# the price of the ruling that a false negative costs a week. Revisit if it
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# becomes noise; do NOT add an override to dodge it.
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# 0.4.9 is a REQUIRED bump, not a gate formality (T-1213). The disk cache stores
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# the DECODED canvas, and the decode was silently dropping the `relief_q` plane —
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# so every 0.4.8-and-earlier entry physically lacks the field, and would keep
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# rendering the deep rungs as a flat wash even against a build that reads it.
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# This is the first bump in the series where a warm cache is wrong about CONTENT
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# rather than merely stale.
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# 0.4.10 changes how a canvas is PAINTED, not how it is derived, so cached
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# entries are still valid content — but the client step_canvas cluster is in the
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# T-1242 registry and the rule is bump-when-touched, so it moves. Cheap: one
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# round of misses against a map that now reads as terrain.
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# 0.4.11 — per-class cover marks (copse, thicket, rocky outcrop). Paint again,
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# not derivation; bumped because the client step_canvas cluster is in the T-1242
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# registry.
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# 0.4.12 changes DERIVED BYTES, not paint (T-1240): Region canvases now truncate
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# every octave the rung cannot reconstruct, so a 0.4.11 Region entry holds a
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# relief field this build would never produce. Warm caches are genuinely wrong
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# here, not merely stale.
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# 0.4.13 — stipple contrast (T-1194). Paint only; bumped because the client
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# step_canvas cluster is in the T-1242 registry.
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version: 0.4.13
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repository: settled-reach
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description: >
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Top-down life-sim set in an original science fiction universe. Asymmetric
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information and occlusion-based perception from a single-character
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perspective, with a Rimworld-style storyteller. Systems interactions like
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The Sims, combat and visuals like single-character Rimworld, world
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generation inheriting from Dwarf Fortress and NMS, economy inspired by
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X4/EVE. Every system is interactable but ignorable — the world is alive
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for any given run.
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setting: >
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The Settled Reach — a network of star systems connected by Founder Gates.
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Neural lattice technology enables soft immortality, forking, and
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re-embodiment.
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development: >
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Built outside-in along the six-phase Development Cascade (D-166): wiki
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content and star map, economics layer, planetary maps and atlas,
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deterministic world generation (active), player control and in-world
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rendering, room-level detail.
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architecture:
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client: Godot 4 (GDScript)
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server: Rust with bevy_ecs (simulation server)
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transport: subprocess/IPC via TCP with MessagePack serialization
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protocol: length-prefixed MessagePack frames (4-byte big-endian)
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determinism: ChaCha20 seeded RNG, deterministic tick processing
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simulation:
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tick_rate: 10 ticks per game-minute
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time_model: 4 day phases (Morning, Afternoon, Evening, Night)
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grid: dual-scale (0.5m simulation tiles, 1m visual tiles)
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visibility: symmetric shadowcasting + forward/peripheral/blind vision cone
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knowledge: per-entity knowledge graphs with confidence decay
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content:
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format: YAML with JSON Schema validation
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structure: campaigns/systems/stations/districts hierarchy
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npcs: 10-axis model (7 essential + 3 supporting) with CombatCapability
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dialogue: tagged line pools with 4-layer relational filtering
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population: 30% flat / 50% mundane triangles / 20% intrigue-entangled
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