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feat(editor): add --gen-mesh-lantern hand-lantern primitive

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81st procedural mesh primitive. Hand-held oil lantern via
4 stacked Y-axis cylinders:

  • base — short narrow disc (the foot the lantern sits on)
  • globe — wider taller cylinder (the glass enclosure
    holding the wick)
  • neck — narrow constriction above the globe (where the
    cap meets the body)
  • cap — wider short top (the metal hood that lets vent
    smoke escape)

Distinct from --gen-mesh-candle (just wax + saucer) and
--gen-mesh-urn (4-tier pottery shape) — lantern's
wide-narrow-wide tier sequence reads as a glass-enclosed
wick under a metal hood.

Useful for night-watch stations, ranger camps, dwarven
mine tunnels, mausoleum interiors, vigil scenes,
witch-hut shelves. Watertight under weld (verified 336
manifold edges, 0 boundary, 0 non-manifold).
This commit is contained in:
Kelsi 2026-05-09 13:38:06 -07:00
parent a65d61b492
commit c0ea12d2cb
3 changed files with 62 additions and 0 deletions
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59
tools/editor/cli_gen_mesh.cpp
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@ -5161,6 +5161,64 @@ int handleTent(int& i, int argc, char** argv) {
return 0;
}
int handleLantern(int& i, int argc, char** argv) {
// Hand lantern: small base disc → wider glass-globe cylinder
// → narrow neck → wider top cap. 4 cylindrical tiers stacked,
// mimicking a hooded oil-lantern silhouette. Distinct from
// --gen-mesh-candle (just wax + saucer) and --gen-mesh-urn
// (4-tier pottery shape) — lantern's wide-narrow-wide tier
// sequence reads as glass enclosed by metal hood. The 81st
// procedural mesh primitive.
std::string womBase = argv[++i];
float baseR = 0.10f;
float baseH = 0.03f;
float globeR = 0.13f;
float globeH = 0.18f;
float neckR = 0.06f;
float neckH = 0.04f;
float capR = 0.14f;
float capH = 0.05f;
int sides = 14;
parseOptFloat(i, argc, argv, baseR);
parseOptFloat(i, argc, argv, baseH);
parseOptFloat(i, argc, argv, globeR);
parseOptFloat(i, argc, argv, globeH);
parseOptFloat(i, argc, argv, neckR);
parseOptFloat(i, argc, argv, neckH);
parseOptFloat(i, argc, argv, capR);
parseOptFloat(i, argc, argv, capH);
parseOptInt(i, argc, argv, sides);
if (baseR <= 0 || baseH <= 0 || globeR <= 0 || globeH <= 0 ||
neckR <= 0 || neckH <= 0 || capR <= 0 || capH <= 0 ||
sides < 6 || sides > 64) {
std::fprintf(stderr,
"gen-mesh-lantern: dims > 0; sides 6..64\n");
return 1;
}
stripExt(womBase, ".wom");
wowee::pipeline::WoweeModel wom;
initWomDefaults(wom, womBase);
float y = 0.0f;
addClosedCylinderY(wom, baseR, y, y + baseH, sides);
y += baseH;
addClosedCylinderY(wom, globeR, y, y + globeH, sides);
y += globeH;
addClosedCylinderY(wom, neckR, y, y + neckH, sides);
y += neckH;
addClosedCylinderY(wom, capR, y, y + capH, sides);
y += capH;
finalizeAsSingleBatch(wom);
float maxR = std::max({baseR, globeR, capR});
setCenteredBoundsXZ(wom, maxR, maxR, y);
if (!saveWomOrError(wom, womBase, "gen-mesh-lantern")) return 1;
printWomWrote(womBase);
std::printf(" base / globe / neck / cap : %.3f / %.3f / %.3f / %.3f R\n",
baseR, globeR, neckR, capR);
std::printf(" total H : %.3f (%d sides)\n", y, sides);
printWomMeshStats(wom);
return 0;
}
int handleCandle(int& i, int argc, char** argv) {
// Wax pillar candle: thin tall wax cylinder optionally
// standing on a wider shallow saucer base (the drip catcher).
@ -7203,6 +7261,7 @@ constexpr MeshEntry kMeshTable[] = {
{"--gen-mesh-planter-box", 1, handlePlanterBox},
{"--gen-mesh-urn", 1, handleUrn},
{"--gen-mesh-candle", 1, handleCandle},
{"--gen-mesh-lantern", 1, handleLantern},
{"--gen-camp-pack", 1, handleGenCampPack},
{"--gen-blacksmith-pack", 1, handleGenBlacksmithPack},
{"--gen-village-pack", 1, handleGenVillagePack},