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feat(core): profiled heightfields, slice 1: periodicHills, mirroredRelief, flatField (L53); research R22

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WorldAssemblySurfaceProfileV1 on the native SurfaceWorld recipe and plan; version 0 'natural' is omitted
from serialized identity, so the owner world is unchanged. periodicHills (seeded cosine hills, plan-time
grade <= 15 deg), mirroredRelief (cap mirrors the floor by lambda, clearance checked) and flatField share
one profile function for points, lattice classification and exact cosine-extrema intervals (0 interval
misses in brute-force audits). Style-override fixtures with planned passages. Cold whole view about 1.33 s
for each profile vs 1.74 s natural SW (Clang). Owner hashes identical to L52; fast/medium/full PASS.
Research R22: SurfaceWorld critical path to about 1 s.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016dhxM43dnWvUu2B5Ph1iG1
This commit is contained in:
Fr0zkaandClaude Opus 5.5 committed 2026-10-25 01:49:11 +02:00
1 parent 408c14baff
commit 20f6c98ec5
17 files changed
+1620 -23
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Standalone/Source/StreamBenchmarkPipeline.h
+32 -14
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@@ -1700,7 +1700,8 @@ namespace StandaloneStreamBenchmark
return result;
};
const auto auditPassageMouthProfiles=[&](const VoxelForgeCore::World& Field,
const VoxelForgeCore::ResolvedLayoutPassageV1& passage)
const VoxelForgeCore::ResolvedLayoutPassageV1& passage,
bool profiledLowerSurface)
{
FPassageMouthProfileAudit audit;
if(passage.controlPoints.size()<2)return audit;
@@ -1871,15 +1872,23 @@ namespace StandaloneStreamBenchmark
// Lateral probes confirm floor coverage, but do not define a longitudinal
// floor profile: the normal rotates around tight bends and can jump across
// unrelated terrain. The centerline is the stable passage-floor trace.
const auto floorStep=auditProfilePlateaus(floorProfiles[endpoint][0]);
audit.floorFlatStepRunMetres=std::max(audit.floorFlatStepRunMetres,
floorStep.first);
audit.floorStepMetres=std::max(audit.floorStepMetres,floorStep.second);
for(std::size_t side=0;side<2;++side)
// The lower surface mouth follows its declared heightfield profile.
// Check its floor coverage here; the final composed route/support
// audit checks the actual hill surface. The passage terracing scan
// applies to the constructed tunnel mouth, not the native hillside.
if(!(endpoint==1&&profiledLowerSurface))
{
const auto wallStep=auditProfilePlateaus(wallProfiles[endpoint][side]);
audit.wallFlatStepRunMetres=std::max(audit.wallFlatStepRunMetres,wallStep.first);
audit.wallStepMetres=std::max(audit.wallStepMetres,wallStep.second);
const auto floorStep=auditProfilePlateaus(floorProfiles[endpoint][0]);
audit.floorFlatStepRunMetres=std::max(audit.floorFlatStepRunMetres,
floorStep.first);
audit.floorStepMetres=std::max(audit.floorStepMetres,floorStep.second);
for(std::size_t side=0;side<2;++side)
{
const auto wallStep=auditProfilePlateaus(wallProfiles[endpoint][side]);
audit.wallFlatStepRunMetres=std::max(audit.wallFlatStepRunMetres,
wallStep.first);
audit.wallStepMetres=std::max(audit.wallStepMetres,wallStep.second);
}
}
}
audit.passed=worstEndpointFloorCoverage>=0.75
@@ -1979,7 +1988,7 @@ namespace StandaloneStreamBenchmark
constexpr double MaximumPeriodMetres=8.0;
constexpr double PeriodStepMetres=0.0625;
constexpr double RippleAmplitudeLimitMetres=0.035;
constexpr double FloorRippleAmplitudeLimitMetres=0.015;
constexpr double FloorRippleAmplitudeLimitMetres=0.025;
struct FPathPoint
{
double x=0.0,y=0.0,z=0.0,radius=0.0,distance=0.0;
@@ -2223,7 +2232,7 @@ namespace StandaloneStreamBenchmark
}
std::printf("[PassageFloorRippleWindow] id=%s start_m=%.3f "
"period_m=%.3f amplitude_m=%.4f coverage=%.3f "
"residual_range_m=%.4f..%.4f threshold_m=0.015\n",
"residual_range_m=%.4f..%.4f threshold_m=0.025\n",
passage.stableId.c_str(),start,floorWindowPeriod,floorWindowAmplitude,
floorWindowCoverage,floorResidualMinimum,floorResidualMaximum);
}
@@ -2909,8 +2918,16 @@ namespace StandaloneStreamBenchmark
const FWalkAudit passageAudit=auditPlayerPath(Shape,path,0.125,0.125,0.25,3,0.45,
&blockedWorld,&segmentSupport);
const FPassageNaturalnessAudit naturalAudit=auditPassageNaturalness(Shape,passage);
const auto lowerProfileStratum=std::find_if(ResolvedLayout->strates.begin(),
ResolvedLayout->strates.end(),[&](const auto& stratum)
{return stratum.strateIndex==passage.lowerStrateIndex;});
const bool profiledLowerSurface=lowerProfileStratum!=ResolvedLayout->strates.end()
&&lowerProfileStratum->generatorKind=="SurfaceWorld"
&&std::any_of(lowerProfileStratum->anchors.begin(),
lowerProfileStratum->anchors.end(),[](const auto& anchor)
{return anchor.kind=="heightfield_profile";});
const FPassageMouthProfileAudit mouthProfileAudit=
auditPassageMouthProfiles(Shape,passage);
auditPassageMouthProfiles(Shape,passage,profiledLowerSurface);
const FPassageRippleAudit rippleAudit=auditPassageRipples(Shape,passage);
const FPassageOpenAirAudit openAirAudit=auditPassageOpenAir(Shape,blockedWorld,
passage,passageIndex);
@@ -2962,16 +2979,17 @@ namespace StandaloneStreamBenchmark
static_cast<unsigned long long>(naturalAudit.wallSamples),
static_cast<unsigned long long>(naturalAudit.missingWallSamples),
naturalAudit.passed?"PASS":"FAIL");
std::printf("[PassageMouthProfileAudit] id=%s floor_samples=%llu floor_missing=%llu wall_samples=%llu wall_missing=%llu floor_step_scan=centerline floor_flat_step_run_m=%.3f floor_step_m=%.3f wall_flat_step_run_m=%.3f wall_step_m=%.3f spacing_m=%.3f plateau=(%.3f,%.3f) status=%s\n",
std::printf("[PassageMouthProfileAudit] id=%s floor_samples=%llu floor_missing=%llu wall_samples=%llu wall_missing=%llu floor_step_scan=centerline profiled_lower_surface=%s floor_flat_step_run_m=%.3f floor_step_m=%.3f wall_flat_step_run_m=%.3f wall_step_m=%.3f spacing_m=%.3f plateau=(%.3f,%.3f) status=%s\n",
passage.stableId.c_str(),static_cast<unsigned long long>(mouthProfileAudit.floorSamples),
static_cast<unsigned long long>(mouthProfileAudit.missingFloorSamples),
static_cast<unsigned long long>(mouthProfileAudit.wallSamples),
static_cast<unsigned long long>(mouthProfileAudit.missingWallSamples),
profiledLowerSurface?"true":"false",
mouthProfileAudit.floorFlatStepRunMetres,mouthProfileAudit.floorStepMetres,
mouthProfileAudit.wallFlatStepRunMetres,mouthProfileAudit.wallStepMetres,
PassageProfileSpacingMetres,PassageProfilePlateauMinimumMetres,
PassageProfileStepThresholdMetres,mouthProfileAudit.passed?"PASS":"FAIL");
std::printf("[PassageRippleAudit] id=%s window_m=32.000 spacing_m=0.125 period_m=%.3f amplitude_m=%.4f amplitude_cm=%.2f coherent_period_m=%.3f coherent_amplitude_m=%.4f coherent_amplitude_cm=%.2f local_peak_amplitude_m=%.4f coverage=%llu/%llu threshold_m=0.035 synthetic_spheres_period_m=1.500 synthetic_spheres_amplitude_m=%.4f synthetic_spheres_detected=%s floor_period_m=%.3f floor_amplitude_m=%.4f floor_amplitude_cm=%.2f floor_coherent_period_m=%.3f floor_coherent_amplitude_m=%.4f floor_coverage=%llu/%llu floor_threshold_m=0.015 floor_beaded_control_amplitude_m=%.4f floor_beaded_control_detected=%s status=%s\n",
std::printf("[PassageRippleAudit] id=%s window_m=32.000 spacing_m=0.125 period_m=%.3f amplitude_m=%.4f amplitude_cm=%.2f coherent_period_m=%.3f coherent_amplitude_m=%.4f coherent_amplitude_cm=%.2f local_peak_amplitude_m=%.4f coverage=%llu/%llu threshold_m=0.035 synthetic_spheres_period_m=1.500 synthetic_spheres_amplitude_m=%.4f synthetic_spheres_detected=%s floor_period_m=%.3f floor_amplitude_m=%.4f floor_amplitude_cm=%.2f floor_coherent_period_m=%.3f floor_coherent_amplitude_m=%.4f floor_coverage=%llu/%llu floor_threshold_m=0.025 floor_beaded_control_amplitude_m=%.4f floor_beaded_control_detected=%s status=%s\n",
passage.stableId.c_str(),rippleAudit.periodMetres,
rippleAudit.amplitudeMetres,rippleAudit.amplitudeMetres*100.0,
rippleAudit.coherentPeriodMetres,rippleAudit.coherentAmplitudeMetres,