Stone Golem

const meta={name:"Nightman / hunched stone golem"};

function shapeGeo(center,rings,n=7){
 const P=[],UV=[],UVscale=Math.max(1,2*Math.max(...rings.map(r=>Math.max(r[1],r[2]))));const pts=rings.map((r,j)=>Array.from({length:n},(_,i)=>{const a=i*2*Math.PI/n;return [center[0]+(r[3]||0)+Math.cos(a)*r[1],center[1]+r[0],center[2]+Math.sin(a)*r[2]];}));
 function tri(a,b,c){P.push(...a,...b,...c);const normal=new THREE.Vector3(...b).sub(new THREE.Vector3(...a)).cross(new THREE.Vector3(...c).sub(new THREE.Vector3(...a)));const abs=[Math.abs(normal.x),Math.abs(normal.y),Math.abs(normal.z)],d=abs.indexOf(Math.max(...abs));const uAxis=d===0?2:0,vAxis=d===1?2:1;for(const p of [a,b,c])UV.push(.5+(p[uAxis]-center[uAxis])/UVscale,.5+(p[vAxis]-center[vAxis])/UVscale);}
 for(let j=0;j<rings.length-1;j++)for(let i=0;i<n;i++){const k=(i+1)%n;tri(pts[j][i],pts[j+1][i],pts[j+1][k]);tri(pts[j][i],pts[j+1][k],pts[j][k]);}
 const low=[center[0]+(rings[0][3]||0),center[1]+rings[0][0],center[2]],r=rings[rings.length-1],high=[center[0]+(r[3]||0),center[1]+r[0],center[2]];
 for(let i=0;i<n;i++){const k=(i+1)%n;tri(low,pts[0][i],pts[0][k]);tri(high,pts[pts.length-1][k],pts[pts.length-1][i]);}return meshGeo({positions:P,uvs:UV});
}
let pendingSkins=[];
function skinChunk(name,geometry,material,region,bones,boneIndex,root){pendingSkins.push({name,geometry,material,region,bones,boneIndex,root});}
function flushStoneSkins(root){const groups={};for(const part of pendingSkins){const key=part.region+(part.name==='SeparateHead'?'.SeparateHead':'');if(!groups[key])groups[key]=[];groups[key].push(part);}for(const key of Object.keys(groups)){const parts=groups[key],P=[],N=[],UV=[],indices=[],weights=[];for(const part of parts){const g=part.geometry,p=g.getAttribute('position'),n=g.getAttribute('normal'),uv=g.getAttribute('uv');if(g.index)throw new Error('Stone consolidation expects authored triangle corners');for(let i=0;i<p.count;i++){P.push(p.getX(i),p.getY(i),p.getZ(i));N.push(n.getX(i),n.getY(i),n.getZ(i));UV.push(uv.getX(i),uv.getY(i));indices.push(part.boneIndex,0,0,0);weights.push(1,0,0,0);}}const source=new THREE.BufferGeometry();source.setAttribute('position',new THREE.Float32BufferAttribute(P,3));source.setAttribute('normal',new THREE.Float32BufferAttribute(N,3));source.setAttribute('uv',new THREE.Float32BufferAttribute(UV,2));const first=parts[0],g=remapUVToAtlas(source,first.material.map,first.region,{inputOrigin:'bottom-left',mode:'texel-center'});createSkinnedPart(key==='head.SeparateHead'?'SeparateHead':'Stone_'+key,g,first.material,{parent:root,bones:first.bones,indices,weights});}pendingSkins=[];}
function brokenRidgeGeo(center,rings,n,seed){const g=shapeGeo(center,rings,n),p=g.getAttribute('position');for(let i=0;i<p.count;i++){const x=p.getX(i)-center[0],z=p.getZ(i)-center[2],a=Math.atan2(z,x),y=p.getY(i)-center[1],factor=1+.14*Math.sin(a*3+seed)+.045*Math.cos(y*13+a);p.setX(i,center[0]+x*factor);p.setZ(i,center[2]+z*factor);}g.computeVertexNormals();return g;}
function limbGeo(a,b,r0,r1){const A=new THREE.Vector3(...a),B=new THREE.Vector3(...b),L=A.distanceTo(B),axis=B.clone().sub(A).normalize(),u=new THREE.Vector3(0,1,0).cross(axis).normalize(),v=axis.clone().cross(u).normalize(),P=[],UV=[],N=6;
 function at(t,ang,r){return A.clone().lerp(B,t).addScaledVector(u,Math.cos(ang)*r).addScaledVector(v,Math.sin(ang)*r);}
 function tri(p,q,r,uv){P.push(...p.toArray(),...q.toArray(),...r.toArray());UV.push(...uv);}
 for(let i=0;i<N;i++){const circumference=2*Math.PI*(r0+r1)/2,x=i/N*circumference,y=(i+1)/N*circumference,a=i*2*Math.PI/N,b=(i+1)*2*Math.PI/N,p=at(0,a,r0),q=at(0,b,r0),s=at(1,a,r1),t=at(1,b,r1);tri(p,q,t,[x,0,y,0,y,Math.min(L,.98)]);tri(p,t,s,[x,0,y,Math.min(L,.98),x,Math.min(L,.98)]);tri(A,q,p,[.5,.5,.5+Math.cos(b)*r0,.5+Math.sin(b)*r0,.5+Math.cos(a)*r0,.5+Math.sin(a)*r0]);tri(B,s,t,[.5,.5,.5+Math.cos(a)*r1,.5+Math.sin(a)*r1,.5+Math.cos(b)*r1,.5+Math.sin(b)*r1]);}return meshGeo({positions:P,uvs:UV});}
async function build(){pendingSkins=[];const root=createRoot('Nightman');const stone=await compilePortableMaterialSpecV3({"schemaVersion":3,"model":"pbrMetallicRoughness","name":"Forest nightman-atlas","baseColor":16777215,"roughness":1,"metalness":0,"emissiveIntensity":1,"alphaMode":"opaque","alphaCutoff":0.5,"doubleSided":false,"textures":{"baseColor":{"kind":"resource","resourceId":"kiln.library.7b711fed2b077855239949f953a4c3e0a42f834fa46f1741b58c5aea2fbce8e1.base-color","sampler":{"minFilter":"nearest","magFilter":"nearest","wrapS":"clamp-to-edge","wrapT":"clamp-to-edge"}}}});
const spine=createBoneChain('NightmanSpine',[{role:'pelvis',offset:[0,1.05,0]},{role:'chest',offset:[-.1,.5,0]},{role:'neck',offset:[.24,.36,0]},{role:'head',offset:[.13,.12,0]}],{parent:root});const all=[...spine.nodes],limbs=[];
for(const [side,s]of [['L',-1],['R',1]]){const arm=createBoneChain('NightmanArm'+side,[{role:'arm.'+side.toLowerCase()+'.shoulder',offset:[.1,.23,s*.49]},{role:'arm.'+side.toLowerCase()+'.elbow',offset:[0,-.61,s*.19]},{role:'arm.'+side.toLowerCase()+'.wrist',offset:[0,-.58,s*.02]}],{parent:spine.nodes[1]});const leg=createBoneChain('NightmanLeg'+side,[{role:'leg.'+side.toLowerCase()+'.hip',offset:[0,-.08,s*.25]},{role:'leg.'+side.toLowerCase()+'.knee',offset:[.12,-.45,s*.02]},{role:'leg.'+side.toLowerCase()+'.ankle',offset:[-.16,-.38,s*.01],endEffector:true,contact:false}],{parent:spine.root});limbs.push({side,s,arm,leg,armIndex:all.length,legIndex:all.length+3});all.push(...arm.nodes,...leg.nodes);}
spine.nodes.forEach((b,i)=>b.name=['Nightman_Pelvis','Nightman_Chest','Nightman_Neck','Joint_Nightman_head'][i]);for(const l of limbs){l.arm.nodes.forEach((b,i)=>b.name='Nightman_'+l.side+'_'+['Shoulder','Elbow','Wrist'][i]);l.leg.nodes.forEach((b,i)=>b.name='Nightman_'+l.side+'_'+['Hip','Knee','Ankle'][i]);}
skinChunk('Pelvis',shapeGeo([0,1.01,0],[[-.19,.21,.31],[0,.29,.39],[.20,.25,.37]],8),stone,'body',all,0,root);
skinChunk('HunchedChest',shapeGeo([-.10,1.48,0],[[-.36,.25,.36],[0,.37,.46],[.28,.43,.57,-.08],[.48,.31,.46,-.09]],8),stone,'body',all,1,root);
skinChunk('UpperBackHump',shapeGeo([-.35,1.78,0],[[-.17,.22,.32],[.11,.27,.40],[.22,.17,.30]],7),stone,'shoulders',all,1,root);skinChunk('BackCragLeft',shapeGeo([-.49,1.87,-.20],[[-.12,.13,.15],[.10,.19,.17,-.05],[.25,.09,.10,-.06]],6),stone,'shoulders',all,1,root);skinChunk('BackCragRight',shapeGeo([-.44,1.87,.24],[[-.13,.14,.14],[.09,.17,.16],[.18,.09,.10,-.04]],5),stone,'shoulders',all,1,root);skinChunk('ShoulderCragLeft',shapeGeo([-.04,2.00,-.59],[[-.13,.18,.20],[.04,.19,.21],[.23,.09,.12,-.05]],5),stone,'shoulders',all,limbs[0].armIndex,root);skinChunk('ShoulderCragRight',shapeGeo([-.14,1.90,.54],[[-.10,.15,.18],[.13,.20,.22],[.20,.07,.10,.035]],6),stone,'shoulders',all,limbs[1].armIndex,root);skinChunk('HeavyNeck',shapeGeo([.15,1.87,0],[[-.13,.19,.19],[.14,.20,.20]],7),stone,'head',all,2,root);
const headGeo=shapeGeo([.28,2.07,0],[[-.22,.15,.19],[0,.27,.225],[.27,.21,.20]],8);const hp=headGeo.getAttribute('position');for(let i=0;i<hp.count;i++)if(hp.getX(i)<.31&&hp.getZ(i)<-.12){hp.setZ(i,hp.getZ(i)-.045);hp.setY(i,hp.getY(i)-.022);}for(let i=0;i<hp.count;i++)if(hp.getY(i)>2.25){const a=Math.atan2(hp.getZ(i),hp.getX(i)-.28);hp.setY(i,hp.getY(i)+.055*Math.sin(a*2+.8)+.030*Math.sin(a*5+1.1));}headGeo.computeVertexNormals();skinChunk('SeparateHead',headGeo,stone,'head',all,3,root);
skinChunk('BrowRidge',shapeGeo([.46,2.18,0],[[-.045,.145,.245],[.045,.12,.23]],7),stone,'head',all,3,root);
for(const l of limbs){const z=l.s;
skinChunk('ShoulderPlate_'+l.side,shapeGeo([-.035,1.85,z*.51],[[-.16,.26,.25],[.08,.29,.29],[.18,.21,.22]],7),stone,'shoulders',all,l.armIndex,root);
skinChunk('UpperArm_'+l.side,brokenRidgeGeo([0,1.48,z*.59],[[-.33,.17,.18,.035],[.02,.26,.23,-.02],[.12,.24,.20,.07],[.29,.23,.25]],7,z*1.7),stone,'body',all,l.armIndex,root);
skinChunk('ElbowBridge_'+l.side,shapeGeo([0,1.18,z*.68],[[-.11,.155,.14],[.10,.165,.16]],6),stone,'body',all,l.armIndex+1,root);
skinChunk('Forearm_'+l.side,brokenRidgeGeo([0,.86,z*.70],[[-.32,.17,.16],[-.06,.23,.21,.03],[.02,.30,.24,.06],[.13,.205,.18,-.025],[.31,.19,.18]],6,z*.8),stone,'hands',all,l.armIndex+1,root);
skinChunk('HeavyHand_'+l.side,shapeGeo([0,.47,z*.70],[[-.20,.22,.24],[.06,.29,.28],[.21,.18,.18]],7),stone,'hands',all,l.armIndex+2,root);
for(let i=0;i<3;i++)skinChunk('StoneFinger_'+l.side+'_'+i,limbGeo([.11+(i%2)*.035,.33,z*.70+(i-1)*.105],[.22+(i%2)*.035,[.085,.055,.110][i],z*.70+(i-1)*.11],.055,.010),stone,'hands',all,l.armIndex+2,root);
skinChunk('Thigh_'+l.side,shapeGeo([.03,.78,z*.26],[[-.25,.20,.21],[0,.23,.24],[.23,.24,.22]],7),stone,'body',all,l.legIndex,root);
skinChunk('Knee_'+l.side,shapeGeo([.13,.53,z*.27],[[-.11,.19,.19],[.12,.20,.19]],6),stone,'body',all,l.legIndex+1,root);
skinChunk('Shin_'+l.side,shapeGeo([.04,.34,z*.28],[[-.20,.15,.16],[.08,.20,.19],[.22,.18,.18]],7),stone,'body',all,l.legIndex+1,root);
skinChunk('GroundedFoot_'+l.side,brokenRidgeGeo([.14,.08,z*.28],[[-.08,.28,.20],[.02,.23,.19,.05],[.14,.13,.13,-.12]],6,z*.9),stone,'hands',all,l.legIndex+2,root);
const contact=createPivot('Nightman_'+l.side+'_FootContact',[.18,-.14,0],l.leg.end);contact.name='Nightman_'+l.side+'_FootContact';}
const eye=await compilePortableMaterialSpecV3({schemaVersion:3,model:'pbrMetallicRoughness',name:'Nightman red eye stone',baseColor:0xb51f24,roughness:.8,metalness:0,emissive:0xb51f24,emissiveIntensity:.8});
function headFaceX(z,y){const t=Math.max(0,Math.min(1,(y-2.07)/.27)),rx=.27+(.21-.27)*t,rz=.225+(.20-.225)*t;return .28+rx-.41421356237*rx/rz*Math.abs(z);}
const recess=gameMaterial(0x26302c,{roughness:1});
for(const [side,sign]of [['Left',-1],['Right',1]]){const inner=[[.053,2.125],[.185,2.125],[.170,2.025],[.065,2.025]],outer=[[.025,2.151],[.216,2.145],[.193,2.006],[.040,2.002]],P=[],I=[];
for(let i=0;i<4;i++){const [z,y]=outer[i];P.push(headFaceX(z,y)+.016-.27,y-2.03,sign*z);}for(let i=0;i<4;i++){const [z,y]=inner[i];P.push(headFaceX(z,y)+.002-.27,y-2.03,sign*z);}for(let i=0;i<4;i++){const k=(i+1)%4;I.push(i,k,4+k,i,4+k,4+i);}I.push(4,5,6,4,6,7);if(sign<0)for(let i=0;i<I.length;i+=3){const t=I[i+1];I[i+1]=I[i+2];I[i+2]=t;}const socket=createPart('RecessedEyeSocket'+side,meshGeo({positions:P,indices:I}),recess,{parent:spine.end});markOpenShell(socket,'Intended recessed eye frame mounted to head face');
const points=[[.065,2.10],[.172,2.105],[.150,2.055],[.077,2.047]],E=[];for(const [z,y]of points)E.push(headFaceX(z,y)+.009-.27,y-2.03,sign*z);const g=meshGeo({positions:E,indices:sign>0?[0,1,2,0,2,3]:[0,2,1,0,3,2]});const e=createPart('Eye'+side,g,eye,{parent:spine.end});markOpenShell(e,'Intentional opaque/emissive eye surface inside mounted socket');}
flushStoneSkins(root);const strike=createPivot('NightmanStrike',[.92,1.0,0],root);strike.name='NightmanStrike';return root;}
function animate(root){
function rot(name,keys){return rotationTrack(name,keys.map(k=>({time:k[0],rotation:[k[1]||0,k[2]||0,k[3]||0]})));}
const idle=[rot('Nightman_Chest',[[0,0,0,0],[1.6,1,0,-1],[3.2,0,0,0]]),rot('Joint_Nightman_head',[[0,0,-3,0],[1.6,0,3,0],[3.2,0,-3,0]])];
const lumber=[rot('Nightman_Chest',[[0,0,-2,-2],[.6,0,2,1],[1.2,0,-2,-2]])];for(const side of ['L','R']){const s=side==='L'?1:-1;lumber.push(rot('Nightman_'+side+'_Hip',[[0,0,0,s*12],[.6,0,0,-s*12],[1.2,0,0,s*12]]));lumber.push(rot('Nightman_'+side+'_Shoulder',[[0,0,0,-s*7],[.6,0,0,s*7],[1.2,0,0,-s*7]]));}
lumber.push(positionTrack('Nightman_Pelvis',[{"time":0.0,"position":[0,1.040278976,0]},{"time":0.025,"position":[0,1.042482922,0]},{"time":0.05,"position":[0,1.044436362,0]},{"time":0.075,"position":[0,1.046138701,0]},{"time":0.1,"position":[0,1.047589421,0]},{"time":0.125,"position":[0,1.04878808,0]},{"time":0.15,"position":[0,1.049734312,0]},{"time":0.175,"position":[0,1.050427829,0]},{"time":0.2,"position":[0,1.050868421,0]},{"time":0.225,"position":[0,1.051055952,0]},{"time":0.25,"position":[0,1.050990366,0]},{"time":0.275,"position":[0,1.050671683,0]},{"time":0.3,"position":[0,1.0501,0]},{"time":0.325,"position":[0,1.050671683,0]},{"time":0.35,"position":[0,1.050990366,0]},{"time":0.375,"position":[0,1.051055952,0]},{"time":0.4,"position":[0,1.050868421,0]},{"time":0.425,"position":[0,1.050427829,0]},{"time":0.45,"position":[0,1.049734312,0]},{"time":0.475,"position":[0,1.04878808,0]},{"time":0.5,"position":[0,1.047589421,0]},{"time":0.525,"position":[0,1.046138701,0]},{"time":0.55,"position":[0,1.044436362,0]},{"time":0.575,"position":[0,1.042482922,0]},{"time":0.6,"position":[0,1.040278976,0]},{"time":0.625,"position":[0,1.042482922,0]},{"time":0.65,"position":[0,1.044436362,0]},{"time":0.675,"position":[0,1.046138701,0]},{"time":0.7,"position":[0,1.047589421,0]},{"time":0.725,"position":[0,1.04878808,0]},{"time":0.75,"position":[0,1.049734312,0]},{"time":0.775,"position":[0,1.050427829,0]},{"time":0.8,"position":[0,1.050868421,0]},{"time":0.825,"position":[0,1.051055952,0]},{"time":0.85,"position":[0,1.050990366,0]},{"time":0.875,"position":[0,1.050671683,0]},{"time":0.9,"position":[0,1.0501,0]},{"time":0.925,"position":[0,1.050671683,0]},{"time":0.95,"position":[0,1.050990366,0]},{"time":0.975,"position":[0,1.051055952,0]},{"time":1.0,"position":[0,1.050868421,0]},{"time":1.025,"position":[0,1.050427829,0]},{"time":1.05,"position":[0,1.049734312,0]},{"time":1.075,"position":[0,1.04878808,0]},{"time":1.1,"position":[0,1.047589421,0]},{"time":1.125,"position":[0,1.046138701,0]},{"time":1.15,"position":[0,1.044436362,0]},{"time":1.175,"position":[0,1.042482922,0]},{"time":1.2,"position":[0,1.040278976,0]}]));for(const side of ['L','R']){const s=side==='L'?1:-1;lumber.push(rot('Nightman_'+side+'_Ankle',[[0,0,0,-s*12],[.6,0,0,s*12],[1.2,0,0,-s*12]]));}const tele=[rot('Nightman_Chest',[[0,0,0,0],[.45,0,0,8],[.8,0,0,8]])],strike=[rot('Nightman_Chest',[[0,0,0,8],[.18,0,0,-12],[.34,0,0,-20],[.5,0,0,-20]])],recover=[rot('Nightman_Chest',[[0,0,0,-20],[.45,0,0,-6],[.9,0,0,0]])];
for(const side of ['L','R']){const inward=side==='L'?-15:15;tele.push(rot('Nightman_'+side+'_Shoulder',[[0,0,0,0],[.55,0,inward,94],[.8,0,inward,94]]));tele.push(rot('Nightman_'+side+'_Elbow',[[0,0,0,0],[.55,0,0,-28],[.8,0,0,-28]]));strike.push(rot('Nightman_'+side+'_Shoulder',[[0,0,inward,94],[.18,0,inward,80],[.34,0,inward,60],[.5,0,inward,60]]));strike.push(rot('Nightman_'+side+'_Elbow',[[0,0,0,-28],[.18,0,0,-8],[.34,0,0,-3],[.5,0,0,-3]]));recover.push(rot('Nightman_'+side+'_Shoulder',[[0,0,inward,60],[.9,0,0,0]]));recover.push(rot('Nightman_'+side+'_Elbow',[[0,0,0,-3],[.9,0,0,0]]));}
return [createClip('Idle',3.2,idle,{loop:true}),createClip('Lumber',1.2,lumber,{loop:true}),createClip('Telegraph',.8,tele,{loop:false}),createClip('Strike',.5,strike,{loop:false}),createClip('Recover',.9,recover,{loop:false})];}