arx-convert/dist/tea/TEA.js

Converts various Arx Fatalis formats to JSON or YAML and back

import { BinaryIO } from '../common/BinaryIO.js';
import { KEEP_ZERO_BYTES } from '../common/constants.js';
import { concatArrayBuffers } from '../common/helpers.js';
import { NewKeyFrame } from './NewKeyFrame.js';
import { OldKeyFrame } from './OldKeyFrame.js';
import { TeaHeader } from './TeaHeader.js';
export class TEA {
    static load(decompressedFile) {
        const file = new BinaryIO(decompressedFile);
        const { numberOfKeyFrames, numberOfGroups, ...header } = TeaHeader.readFrom(file);
        if (header.version < 2014) {
            throw new Error(`Invalid TEA version ${header.version}`);
        }
        const data = {
            header,
            keyframes: [],
        };
        for (let i = 0; i < numberOfKeyFrames; i++) {
            console.log(i, file.position);
            let keyframe;
            if (header.version >= 2015) {
                keyframe = NewKeyFrame.readFrom(file);
            }
            else {
                keyframe = OldKeyFrame.readFrom(file);
            }
            data.keyframes.push(keyframe);
            if (keyframe.key_move) {
                keyframe.translate = file.readVector3();
            }
            if (keyframe.key_orient) {
                file.position = file.position + 8; // theo angle
                keyframe.quat = file.readQuat();
            }
            if (keyframe.key_morph) {
                file.position = file.position + 16; // thea morph
            }
            for (let j = 0; j < numberOfGroups; j++) {
                // theo groupanim
                const group = {
                    key: file.readInt32() !== 0,
                    angle: file.readString(8, KEEP_ZERO_BYTES), // ignored
                    quat: file.readQuat(),
                    translate: file.readVector3(),
                    zoom: file.readVector3(),
                };
                // TODO: create groups and fill it in with group data
            }
            const numberOfSamples = file.readInt32();
            if (numberOfSamples !== -1) {
                const sample = {
                    name: file.readString(256, KEEP_ZERO_BYTES),
                    size: file.readInt32(),
                };
                keyframe.sample = sample;
                file.position = file.position + sample.size;
            }
            console.log(keyframe);
        }
        file.position = file.position + 4; // num_sfx?
        return data;
    }
    static save(json) {
        return concatArrayBuffers([]);
    }
}
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