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wip(L27, side branch): passages cross open voids inside shared natural rock columns

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Unsupported passage runs > 12.5 m become a solid relief-bearing column (ceiling/island to
ground, flared base) with the helix inside, for every recipe; FI anchor uses the same path.
All 4 styles x both recipes: 0/0/0, 0 open-air, naturalness pass; no-long-bridge audit (L26
fails it). Deterministic, Clang = GCC. Look approved; cost +35% SW / +19% FI blocks merge (L28).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CSFYgsdW8ejZSyiMf4qRSX
This commit is contained in:
Fr0zkaandClaude Opus 5.5 committed 2026-10-21 04:14:14 +02:00
1 parent 37a223046c
commit 07b3fe2852
14 files changed
+772 -201
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Standalone/Core/src/FloatingIslandsInternal.h
+9 -7
View File
@@ -281,7 +281,7 @@ namespace floating_island_detail
? recipe.ownerVoxelSizeMicrons / ScaleGcd : 0;
const std::uint32_t ExpectedDenominator = ScaleGcd > 0
? recipe.coreVoxelSizeMicrons / ScaleGcd : 0;
if (recipe.schemaVersion != 1 || recipe.geometryVersion < 1 || recipe.geometryVersion > 7
if (recipe.schemaVersion != 1 || recipe.geometryVersion < 1 || recipe.geometryVersion > 8
|| (recipe.geometryVersion == 1
&& (recipe.crustDepthBonusQ16 != 0 || recipe.rootDepthRatioQ16 != 0))
|| recipe.unitsPerVoxel != Q
@@ -753,7 +753,8 @@ namespace floating_island_detail
const double rootBlend = std::clamp(radius * 0.12, 2.0 * Q, 5.0 * Q);
for (std::int32_t root = 0; root < rootCount; ++root)
sdf = SmoothMin(sdf, RootLobeDensity(recipe, island, root, x, y, z), rootBlend);
if (recipe.geometryVersion >= 5 && island.ordinal == recipe.anchorIslandOrdinal
if (recipe.geometryVersion >= 5 && recipe.geometryVersion < 8
&& island.ordinal == recipe.anchorIslandOrdinal
&& recipe.anchorRootBottomZSubvoxels < island.bottomZSubvoxels)
{
// The central buttress must meet the island crust underside. IslandBottom
@@ -944,14 +945,14 @@ namespace floating_island_detail
FloatingIslandAnchorV1& island)
{
const std::int64_t pad = IslandBlendMargin(recipe) + recipe.roughnessSubvoxels;
const bool isAnchor=recipe.geometryVersion>=5
const bool isAnchorRoot=recipe.geometryVersion>=5&&recipe.geometryVersion<8
&&island.ordinal==recipe.anchorIslandOrdinal;
const std::int64_t reach = std::max(island.radiusSubvoxels,
isAnchor?recipe.anchorRootRadiusSubvoxels:std::int64_t{0})
isAnchorRoot?recipe.anchorRootRadiusSubvoxels:std::int64_t{0})
+ recipe.contourWarpSubvoxels + pad;
island.influenceMinimumSubvoxels = {island.centerSubvoxels[0] - reach,
island.centerSubvoxels[1] - reach,
(isAnchor?std::min(island.bottomZSubvoxels,recipe.anchorRootBottomZSubvoxels)
(isAnchorRoot?std::min(island.bottomZSubvoxels,recipe.anchorRootBottomZSubvoxels)
:island.bottomZSubvoxels)-pad};
island.influenceMaximumSubvoxels = {island.centerSubvoxels[0] + reach,
island.centerSubvoxels[1] + reach, island.topZSubvoxels + pad};
@@ -1026,14 +1027,15 @@ namespace floating_island_detail
{ error = "floating-island anchor has invalid coordinates or an inverted bound"; return false; }
}
const std::int64_t pad = IslandBlendMargin(recipe) + recipe.roughnessSubvoxels;
const bool hasAnchorRoot=recipe.geometryVersion>=5&&recipe.geometryVersion<8&&isAnchor;
const std::int64_t reach = std::max(island.radiusSubvoxels,
isAnchor?recipe.anchorRootRadiusSubvoxels:std::int64_t{0})
hasAnchorRoot?recipe.anchorRootRadiusSubvoxels:std::int64_t{0})
+ recipe.contourWarpSubvoxels + pad;
if (island.influenceMinimumSubvoxels[0] > island.centerSubvoxels[0] - reach
|| island.influenceMaximumSubvoxels[0] < island.centerSubvoxels[0] + reach
|| island.influenceMinimumSubvoxels[1] > island.centerSubvoxels[1] - reach
|| island.influenceMaximumSubvoxels[1] < island.centerSubvoxels[1] + reach
|| island.influenceMinimumSubvoxels[2] > (isAnchor
|| island.influenceMinimumSubvoxels[2] > (hasAnchorRoot
?std::min(island.bottomZSubvoxels,recipe.anchorRootBottomZSubvoxels)
:island.bottomZSubvoxels) - pad
|| island.influenceMaximumSubvoxels[2] < island.topZSubvoxels + pad