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feat: proper lod0 handling
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TrèsAbhi committed
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commit
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@@ -53,7 +53,7 @@ export async function extractModel(
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const document = new Document();
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const scene = document.createScene();
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const buffer = document.createBuffer();
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const materials = new Map<bigint, Material | bigint>();
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const materials = new Map<bigint, Material | bigint | undefined>();
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// create materials
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await Promise.all(
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@@ -138,9 +138,12 @@ export async function extractModel(
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),
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);
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}
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}
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materials.set(new DataView(node['#id']).getBigUint64(0, true), material);
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materials.set(
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new DataView(node['#id']).getBigUint64(0, true),
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material,
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);
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}
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}),
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);
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@@ -148,15 +151,11 @@ export async function extractModel(
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materials.forEach((material, id) => {
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if (typeof material !== 'bigint') return;
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let resolvedMaterial: Material | bigint = material;
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let resolvedMaterial: Material | bigint | undefined = material;
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while (typeof resolvedMaterial === 'bigint') {
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const linkedParentMaterial = materials.get(resolvedMaterial);
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if (linkedParentMaterial === undefined) {
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throw new Error('Could not resolve material');
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}
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resolvedMaterial = linkedParentMaterial;
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}
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@@ -221,141 +220,79 @@ export async function extractModel(
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}
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case 'RenderComponent': {
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// let minLODDistanceBatchId: undefined | number;
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const renderObject = component['rc.renderObj'];
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// if (component['rc.renderObj']['rb0.lodIndex'] === -1) {
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// minLODDistanceBatchId = 0;
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// } else {
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// const lodList = components.find(
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// (component) => component['comp.typename'] === 'LodComponent',
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// );
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times(renderObject['ro.batchCount'], (batchIndex): void => {
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const lodIndex = renderObject[`rb${batchIndex}.lodIndex`];
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// if (
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// lodList === undefined ||
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// lodList['comp.typename'] !== 'LodComponent' // type annotation hack
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// ) {
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// throw new SyntaxError('Missing LodComponent');
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// }
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if (lodIndex !== 0) return;
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// let minLODDistance = Infinity;
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// let isFirstMaxFloat = true;
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// let lodIndexStreak = 0;
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// let lodIndexStreakIndex: undefined | number = undefined;
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const batchKey = batchIndex.toString().padStart(4, '0');
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const batch = renderObject['ro.batches'][batchKey];
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const material = materials.get(batch['rb.nmatname']);
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const polygonGroup = scg.get(batch['rb.datasource']);
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// range(component['rc.renderObj']['ro.batchCount']).forEach(
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// (id) => {
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// const lodIndex =
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// component['rc.renderObj'][`rb${id}.lodIndex`];
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// const lodDistance =
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// lodList['lc.loddist'][`distance${lodIndex}`];
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if (!(material instanceof Material)) {
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// probably shadow material
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return;
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}
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if (polygonGroup === undefined) {
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throw new Error(
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`Missing polygon group ${batch['rb.datasource']}`,
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);
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}
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// if (lodIndexStreakIndex === lodIndex) {
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// lodIndexStreak++;
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// } else {
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// lodIndexStreak = 0;
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// lodIndexStreakIndex = lodIndex;
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// }
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// if (
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// lodDistance < minLODDistance ||
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// (lodDistance === minLODDistance && lodIndexStreak > 0) ||
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// (lodDistance === MAX_FLOAT32 && isFirstMaxFloat)
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// ) {
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// if (lodDistance === MAX_FLOAT32) isFirstMaxFloat = false;
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// minLODDistance = lodDistance;
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// minLODDistanceBatchId = id;
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// }
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// },
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// );
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// }
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let batch = component['rc.renderObj']['ro.batches']['0000'];
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let polygonGroup = scg.get(batch['rb.datasource'])!;
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Object.values(component['rc.renderObj']['ro.batches']).forEach(
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(thisBatch) => {
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const thisPolygonGroup = scg.get(thisBatch['rb.datasource']);
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if (
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thisPolygonGroup &&
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thisPolygonGroup.vertices.length >
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polygonGroup.vertices.length
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) {
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batch = thisBatch;
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polygonGroup = thisPolygonGroup;
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}
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},
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);
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// const batch =
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// component['rc.renderObj']['ro.batches'][
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// minLODDistanceBatchId!.toString().padStart(4, '0')
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// ];
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// const polygonGroup = scg.get(batch['rb.datasource']);
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if (!polygonGroup) {
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console.warn(
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`Missing polygon group ${batch['rb.datasource']} (${hierarchy.name}); skipping...`,
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);
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break;
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}
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const material = materials.get(batch['rb.nmatname']);
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if (!(material instanceof Material)) {
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throw new Error(`Material ${batch['rb.nmatname']} is unresolved`);
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}
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const indicesAccessor = document
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.createAccessor()
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.setType('SCALAR')
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.setArray(new Uint16Array(polygonGroup.indices))
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.setBuffer(buffer);
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const primitive = document
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.createPrimitive()
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.setIndices(indicesAccessor)
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.setMaterial(material);
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const attributes = new Map<VertexAttribute, number[][]>();
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polygonGroup.vertices.forEach((vertex) => {
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vertex.forEach(({ attribute, value }) => {
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if (!attributes.has(attribute)) {
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attributes.set(attribute, []);
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}
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attributes.get(attribute)!.push(value);
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});
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});
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if (attributes.has(VertexAttribute.TANGENT)) {
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attributes.set(
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VertexAttribute.TANGENT,
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attributes
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.get(VertexAttribute.TANGENT)!
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.map((tangent) => [...tangent, 1]),
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);
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}
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attributes.forEach((value, attribute) => {
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const name = vertexAttributeGLTFName[attribute];
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if (!name || primitive.getAttribute(name)) return;
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const vertexSize = vertexAttributeGltfVectorSizes[attribute];
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const attributeAccessor = document
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.createAccessor(name)
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.setType(vertexSize === 1 ? 'SCALAR' : `VEC${vertexSize}`)
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.setArray(new Float32Array(value.flat()))
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const lodNode = document.createNode(batchKey);
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const indicesAccessor = document
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.createAccessor()
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.setType('SCALAR')
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.setArray(new Uint16Array(polygonGroup.indices))
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.setBuffer(buffer);
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primitive.setAttribute(name, attributeAccessor);
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const primitive = document
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.createPrimitive()
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.setIndices(indicesAccessor)
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.setMaterial(material);
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const attributes = new Map<VertexAttribute, number[][]>();
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polygonGroup.vertices.forEach((vertex) => {
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vertex.forEach(({ attribute, value }) => {
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if (!attributes.has(attribute)) {
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attributes.set(attribute, []);
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}
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attributes.get(attribute)!.push(value);
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});
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});
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if (attributes.has(VertexAttribute.TANGENT)) {
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attributes.set(
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VertexAttribute.TANGENT,
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attributes
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.get(VertexAttribute.TANGENT)!
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.map((tangent) => [...tangent, 1]),
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);
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}
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attributes.forEach((value, attribute) => {
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const name = vertexAttributeGLTFName[attribute];
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if (!name || primitive.getAttribute(name)) return;
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const vertexSize = vertexAttributeGltfVectorSizes[attribute];
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const attributeAccessor = document
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.createAccessor(name)
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.setType(vertexSize === 1 ? 'SCALAR' : `VEC${vertexSize}`)
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.setArray(new Float32Array(value.flat()))
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.setBuffer(buffer);
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primitive.setAttribute(name, attributeAccessor);
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});
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const mesh = document
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.createMesh(batch['##name'])
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.addPrimitive(primitive);
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lodNode.setMesh(mesh);
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node.addChild(lodNode);
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});
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const mesh = document
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.createMesh(batch['##name'])
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.addPrimitive(primitive);
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node.setMesh(mesh);
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break;
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}
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