most entitys working backup

nonpacks/static/js/tests/geo_builder.test.js

@@ -83,7 +83,8 @@ assert(allInRange, 'all UVs within [0,1]');
 // Unmapped bones default to the pack's main texture.
 assert(headCube.texture === 'needsofnature:textures/entity/zombie/zombie.png', 'head uses default texture');
 
-// ---------- 2. Synthetic rotated bone: Rz(90°) around pivot (0,10,0) ----------
+// ---------- 2. Synthetic rotated bone: Rz(-90°) around pivot (0,10,0) ----------
+// Rotations are negated to match the Bedrock/GeckoLib direction.
 const rotated = {
     'minecraft:geometry': [{
         description: { identifier: 'geometry.t', texture_width: 64, texture_height: 64 },
@@ -95,10 +96,10 @@ const rotated = {
 };
 const rotBuilt = GeoBuilder.build(rotated);
 assert(rotBuilt.cubes.length === 1, 'rotated model has one cube');
-// cube center = origin + size/2 = (1,11,1); Rz90 around pivot (0,10,0):
-// rel (1,1,1) -> (-1,1,1) -> +pivot = (-1,11,1)
+// cube center = origin + size/2 = (1,11,1); Rz(-90) around pivot (0,10,0):
+// rel (1,1,1) -> (1,-1,1) -> +pivot = (1,9,1)
 const rotCenter = worldCenter(rotBuilt.cubes[0].matrix);
-assertVec(rotCenter, [-1, 11, 1], 'rotated cube center around pivot (expect (-1,11,1))');
+assertVec(rotCenter, [1, 9, 1], 'rotated cube center around pivot (expect (1,9,1))');
 
 // ---------- 3. Nested pivot with rotation ----------
 const nested = {
@@ -115,6 +116,38 @@ const nested = {
 const nestedBuilt = GeoBuilder.build(nested);
 assertVec(worldCenter(nestedBuilt.cubes[0].matrix), [0, 28, 0], 'nested pivot head center (expect (0,28,0))');
 
+// ---------- 4. Real wolf model: rotated bones must produce a quadruped layout ----------
+const wolf = require(path.join(__dirname, 'fixtures', 'wolf.geo.json'));
+const wolfBuilt = GeoBuilder.build(wolf);
+const wolfCenters = wolfBuilt.cubes.map(c => ({ c, center: worldCenter(c.matrix) }));
+
+const wBody = wolfCenters.find(({ c }) => c.size[0] === 8 && c.size[1] === 6 && c.size[2] === 7);
+assert(!!wBody, 'wolf body cube found');
+if (wBody) {
+    // Body high (y~10.5) and in the front half (z<2). Under the old rotation
+    // sign the body landed at the back (z=7) — this catches the regression.
+    assertVec(wBody.center, [-1, 10.5, -3], 'wolf body center (expect (-1,10.5,-3))');
+}
+
+const wHead = wolfCenters.find(({ c }) => c.size[0] === 6 && c.size[1] === 6 && c.size[2] === 4);
+assert(!!wHead, 'wolf head cube found');
+if (wHead) {
+    assertVec(wHead.center, [-1, 10.5, -7], 'wolf head center (expect (-1,10.5,-7))');
+}
+
+// 4 legs (size 2x8x2 cubes whose y is near the ground).
+const wLegs = wolfCenters.filter(({ c, center }) => c.size[0] === 2 && c.size[1] === 8 && c.size[2] === 2 && center[1] < 6);
+assert(wLegs.length === 4, `wolf has 4 legs near the ground (got ${wLegs.length})`);
+wLegs.forEach(({ center }) => assert(approx(center[1], 4.0, 0.2), `leg at ground level y=${center[1].toFixed(1)}`));
+
+// Tail: the cube with the largest |z|, behind the body.
+let wTail = wolfCenters[0];
+for (const w of wolfCenters) {
+    if (Math.abs(w.center[2]) > Math.abs(wTail.center[2])) wTail = w;
+}
+assert(wTail.center[2] > 8, `wolf tail behind body (z=${wTail.center[2].toFixed(1)})`);
+assert(wBody && wTail.center[2] > wBody.center[2], 'tail z > body z');
+
 // ---------- summary ----------
 if (failures === 0) {
     console.log(`geo_builder tests OK (${checks} checks)`);