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feat(editor): add --gen-mesh-pillar-row colonnade primitive

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75th procedural mesh primitive. Row of N stone pillars
evenly spaced along the X axis. Each pillar is a single
tall rectangular box optionally crowned by a slightly-wider
square cap (capExtra wider per side).

End pillars inset by pillarW so they sit at exactly the
±span/2 ends. Set capH=0 for bare un-crowned columns.

Useful for ruined temples, palace colonnades, dungeon
hallways, dwarven mead-hall arcades, ceremonial entry
walks. Distinct from --gen-mesh-pillar (single column) —
this is the regular-multi-column composite, the third
"scene" primitive after --gen-mesh-crate-stack and
--gen-mesh-gravel-pile.

Watertight under weld (verified 144 manifold edges, 0
boundary, 0 non-manifold). Default 4-pillar / 4 m / 2.5 m
spacing reads as a small temple front porch.
This commit is contained in:
Kelsi 2026-05-09 13:04:55 -07:00
parent ad21d16df0
commit 074f299c8b
3 changed files with 65 additions and 1 deletions
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62
tools/editor/cli_gen_mesh.cpp
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@ -5161,6 +5161,67 @@ int handleTent(int& i, int argc, char** argv) {
return 0;
}
int handlePillarRow(int& i, int argc, char** argv) {
// Row of N stone pillars evenly spaced along the X axis.
// Each pillar is a single tall rectangular box, optionally
// crowned by a slightly-wider square cap. Useful for ruined
// temples, colonnades, palace walks, dungeon hallways. The
// 75th procedural mesh primitive — and the third "scene"
// composite (after crate-stack and gravel-pile) using the
// simple regular-grid placement.
std::string womBase = argv[++i];
int count = 4;
float span = 4.0f; // total length spanned by the row
float height = 2.5f; // pillar height
float pillarW = 0.30f; // pillar square footprint
float capH = 0.10f; // 0 → no caps
float capExtra = 0.06f; // caps wider than pillar by this on each side
parseOptInt(i, argc, argv, count);
parseOptFloat(i, argc, argv, span);
parseOptFloat(i, argc, argv, height);
parseOptFloat(i, argc, argv, pillarW);
parseOptFloat(i, argc, argv, capH);
parseOptFloat(i, argc, argv, capExtra);
if (count < 2 || count > 64 ||
span <= 0 || height <= 0 || pillarW <= 0 ||
capH < 0 || capExtra < 0 ||
pillarW * count >= span) {
std::fprintf(stderr,
"gen-mesh-pillar-row: count 2..64; pillars must fit in span\n");
return 1;
}
stripExt(womBase, ".wom");
wowee::pipeline::WoweeModel wom;
initWomDefaults(wom, womBase);
const float availSpan = span - pillarW;
const float pillarHY = (height - capH) * 0.5f;
const float pillarCY = pillarHY;
for (int k = 0; k < count; ++k) {
float t = static_cast<float>(k) / (count - 1);
float cx = -availSpan * 0.5f + t * availSpan;
addFlatBox(wom, cx, pillarCY, 0.0f,
pillarW * 0.5f, pillarHY, pillarW * 0.5f);
if (capH > 0.0f) {
const float capCY = height - capH * 0.5f;
const float capHX = pillarW * 0.5f + capExtra;
addFlatBox(wom, cx, capCY, 0.0f,
capHX, capH * 0.5f, capHX);
}
}
finalizeAsSingleBatch(wom);
float halfX = span * 0.5f + (capH > 0 ? capExtra : 0);
float halfZ = pillarW * 0.5f + (capH > 0 ? capExtra : 0);
setCenteredBoundsXZ(wom, halfX, halfZ, height);
if (!saveWomOrError(wom, womBase, "gen-mesh-pillar-row")) return 1;
printWomWrote(womBase);
std::printf(" pillars : %d across %.3fL, %.3f tall (%.3f square)\n",
count, span, height, pillarW);
std::printf(" caps : %s\n",
capH > 0 ? std::to_string(capH).c_str() : "(none)");
printWomMeshStats(wom);
return 0;
}
int handleHitchingRail(int& i, int argc, char** argv) {
// Long hitching rail: a horizontal bar held up by N evenly-
// spaced vertical posts. Distinct from --gen-mesh-hitching-
@ -6994,6 +7055,7 @@ constexpr MeshEntry kMeshTable[] = {
{"--gen-mesh-stone-bench", 1, handleStoneBench},
{"--gen-mesh-mine-cart", 1, handleMineCart},
{"--gen-mesh-hitching-rail", 1, handleHitchingRail},
{"--gen-mesh-pillar-row", 1, handlePillarRow},
{"--gen-camp-pack", 1, handleGenCampPack},
{"--gen-blacksmith-pack", 1, handleGenBlacksmithPack},
{"--gen-village-pack", 1, handleGenVillagePack},