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Fixed .obj exporter since chunked rendering

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This commit is contained in:
Lucas Dower 2022-10-06 17:41:00 +01:00
parent 7046e70300
commit 66fbe417cc
1 changed files with 20 additions and 1 deletions
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21
src/exporters/obj_exporter.ts
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@ -2,6 +2,7 @@ import fs from 'fs';
import path from 'path';
import { BlockMesh } from '../block_mesh';
import { TBlockMeshBufferDescription } from '../buffer';
import { ASSERT } from '../util/error_util';
import { IExporter } from './base_exporter';
@ -36,7 +37,25 @@ export class ObjExporter extends IExporter {
}
private _exportOBJ(filepath: string, blockMesh: BlockMesh, mtlRelativePath: string) {
const buffers = blockMesh.getAllChunkedBuffers();
const buffers: Array<TBlockMeshBufferDescription & { moreBlocksToBuffer: boolean }> = [];
let chunkIndex = 0;
do {
buffers.push(blockMesh.getChunkedBuffer(chunkIndex));
++chunkIndex;
} while (buffers[buffers.length - 1].moreBlocksToBuffer);
// Fix indices
let indexOffset = 0;
buffers.forEach(({ buffer }, bufferIndex) => {
let maxIndex = 0;
for (let i = 0; i < buffer.indices.data.length; ++i) {
maxIndex = Math.max(maxIndex, buffer.indices.data[i]);
buffer.indices.data[i] += indexOffset;
}
indexOffset += maxIndex + 1;
});
//const buffers = blockMesh.getAllChunkedBuffers();
let numPositions = 0;
let numNormals = 0;
let numTexcoords = 0;