61 lines
1.8 KiB
TypeScript
61 lines
1.8 KiB
TypeScript
import { Utils } from './Utils';
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import { BVHJoint } from './BVHJoint';
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export class BVH
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{
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priority: number;
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length: number;
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expressionName: string;
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inPoint: number;
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outPoint: number;
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loop: number;
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easeInTime: number;
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easeOutTime: number;
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handPose: number;
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jointCount: number;
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joints: BVHJoint[] = [];
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// Decodes the binary LL animation format into human-readable BVH.
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readFromBuffer(buf: Buffer, pos: number): number
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{
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const header1 = buf.readUInt16LE(pos);
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pos = pos + 2;
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const header2 = buf.readUInt16LE(pos);
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pos = pos + 2;
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if (header1 !== 1 || header2 !== 0)
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{
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console.error('BVH Decoder: invalid data');
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return 0;
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}
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this.priority = buf.readInt32LE(pos);
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pos = pos + 4;
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this.length = buf.readFloatLE(pos);
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pos = pos + 4;
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let result = Utils.BufferToString(buf, pos);
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pos += result.readLength;
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this.expressionName = result.result;
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this.inPoint = buf.readFloatLE(pos);
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pos += 4;
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this.outPoint = buf.readFloatLE(pos);
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pos += 4;
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this.loop = buf.readInt32LE(pos);
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pos += 4;
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this.easeInTime = buf.readFloatLE(pos);
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pos += 4;
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this.easeOutTime = buf.readFloatLE(pos);
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pos += 4;
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this.handPose = buf.readUInt32LE(pos);
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pos += 4;
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this.jointCount = buf.readUInt32LE(pos);
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pos += 4;
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for (let x = 0; x < this.jointCount; x++)
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{
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const joint = new BVHJoint();
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pos = joint.readFromBuffer(buf, pos, this.inPoint, this.outPoint);
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this.joints.push(joint);
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}
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return pos;
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}
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}
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