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reduce how many legs newly discovered planet spreads on map - we should limit them to random 1-4 #51

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opened 2026-10-06 12:53:48 +02:00 by kamilkrzywda · 1 comment
kamilkrzywda commented 2026-10-06 12:53:48 +02:00
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also try to make more circular connections so map size wont grow exponently

also try to make more circular connections so map size wont grow exponently
kamilkrzywda commented 2026-10-06 15:05:50 +02:00
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Shipped — merged via PR #53 (auto-merge after CI green in ~3m), tagged v0.13.0 at master, deployed to production (space-wanderer.dev.kkhost.pl, /api/version reports 0.13.0).

Implementation summary:

  • generateRing now spreads a seeded-random 1-4 legs per undiscovered jump (was fixed 4), all draws from the existing expansionRng(seed, turn) stream in a fixed order.
  • Each leg has a 35% chance to close onto the existing chart (new two-way route to a random existing system) instead of minting a new one — more loops, ~2.3x slower map growth.
  • Frontier guarantee: at least one new system per discovery, so the map can never exhaust.
  • Fixed a latent ringEdges bug (self-loop at n=1, duplicate route at n=2 — both would violate the jump_routes PK); n>=3 output byte-identical, start region unchanged.
  • Tests: rewritten world.test.ts suite (pinned deterministic values, frontier guarantee, n>=3 byte-identity), updated save.test.ts (1-4 fresh systems; A/B full-DB byte-identity snapshot still green), new e2e smoke test (1-4 new systems, each undiscovered + routed to target, graph stays connected via BFS). Reviewer: approved, no findings.
Shipped — merged via PR #53 (auto-merge after CI green in ~3m), tagged **v0.13.0** at master, deployed to production (space-wanderer.dev.kkhost.pl, /api/version reports 0.13.0). Implementation summary: - generateRing now spreads a **seeded-random 1-4 legs** per undiscovered jump (was fixed 4), all draws from the existing expansionRng(seed, turn) stream in a fixed order. - Each leg has a 35% chance to **close onto the existing chart** (new two-way route to a random existing system) instead of minting a new one — more loops, ~2.3x slower map growth. - **Frontier guarantee**: at least one new system per discovery, so the map can never exhaust. - Fixed a latent ringEdges bug (self-loop at n=1, duplicate route at n=2 — both would violate the jump_routes PK); n>=3 output byte-identical, start region unchanged. - Tests: rewritten world.test.ts suite (pinned deterministic values, frontier guarantee, n>=3 byte-identity), updated save.test.ts (1-4 fresh systems; A/B full-DB byte-identity snapshot still green), new e2e smoke test (1-4 new systems, each undiscovered + routed to target, graph stays connected via BFS). Reviewer: approved, no findings.
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kamilkrzywda (Kamil Krzywda) smysakowski
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Reference: OpenCode/SpaceWanderer#51