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feat: config-gated flat-scalar sea level (D-033, terrain-water task 04)

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SeaLevelModel: "flat" (one scalar, SeaLevelValue) or "field" (the
legacy latitude Lerp 0.26..0.15). Only GetSeaLevel's body changes —
all nine call sites (crater carve target, both flood fills, biome
split, beach band, Capitol window, town filters, A* zero-point)
inherit the model automatically; no consumer re-tuning. Default:
flat 0.15, pinned in ServerConfig.json.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Stewart Howe 2026-08-07 06:20:48 -04:00
parent 1f957b3430
commit 200adcaf5a
3 changed files with 31 additions and 2 deletions
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8
Tools/Scripts/MapGenerator.cs
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@ -1212,7 +1212,13 @@ public partial class MapGenerator : TextureRect
return astar.GetPointPath(from, to);
}
private float GetSeaLevel(float t) => Mathf.Lerp(0.26f, 0.15f, Mathf.Clamp(t, 0f, 1f));
// Sea-level model gate (D-033, task 04): "flat" returns the configured scalar;
// "field" is the legacy latitude Lerp. Pure numeric mapping either way (D-035);
// all nine call sites inherit whichever model config selects.
private float GetSeaLevel(float t) =>
ConfigManager.SeaLevelModel == "flat"
? ConfigManager.SeaLevelValue
: Mathf.Lerp(0.26f, 0.15f, Mathf.Clamp(t, 0f, 1f));
private Vector2I FindClosestPixel(Vector2 pos, HashSet<Vector2I> set) {
Vector2I closest = new Vector2I(0,0); float min = float.MaxValue;