arx-convert/dist/tea/TeaHeader.js

Converts various Arx Fatalis formats to JSON or YAML and back

import { BinaryIO } from '../common/BinaryIO.js';
import { TEA_VERSION_OLD } from './constants.js';
export class TeaHeader {
    static readFrom(binary) {
        binary.readString(20); // identifier - always "Theo Animation File"
        return {
            version: binary.readUint32(),
            name: binary.readString(256),
            totalNumberOfFrames: binary.readInt32(),
            numberOfGroups: binary.readInt32(),
            numberOfKeyFrames: binary.readInt32(),
        };
    }
    static accumulateFrom(json) {
        const buffer = new ArrayBuffer(TeaHeader.sizeOf());
        const binary = new BinaryIO(buffer);
        binary.writeString('Theo Animation File', 20);
        binary.writeUint32(TEA_VERSION_OLD);
        binary.writeString(json.header.name, 256);
        binary.writeInt32(json.header.totalNumberOfFrames);
        if (json.keyframes.length === 0) {
            binary.writeInt32(0);
            binary.writeInt32(0);
        }
        else {
            binary.writeInt32(json.keyframes[0].groups.length);
            binary.writeInt32(json.keyframes.length);
        }
        return buffer;
    }
    static sizeOf() {
        return (BinaryIO.sizeOfString(20) + BinaryIO.sizeOfUint32() + BinaryIO.sizeOfString(256) + BinaryIO.sizeOfInt32Array(3));
    }
}
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