126 lines
3.8 KiB
Dart
126 lines
3.8 KiB
Dart
import 'dart:async';
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import 'package:flutter/services.dart';
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abstract class FilamentController {
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void onFilamentViewCreated(int id);
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Future loadSkybox(String skyboxPath, String lightingPath);
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Future loadGlb(String path);
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Future loadGltf(String path, String relativeResourcePath);
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Future panStart(double x, double y);
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Future panUpdate(double x, double y);
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Future panEnd();
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Future rotateStart(double x, double y);
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Future rotateUpdate(double x, double y);
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Future rotateEnd();
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Future applyWeights(List<double> weights);
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Future<List<String>> getTargetNames(String meshName);
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Future releaseSourceAssets();
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Future playAnimation(int index);
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// Weights is expected to be a contiguous sequence of floats of size W*F, where W is the number of weights and F is the number of frames
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Future animate(List<double> weights, int numWeights, double frameRate);
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Future createMorpher(String meshName, List<int> primitives);
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Future zoom(double z);
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}
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class MimeticFilamentController extends FilamentController {
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late int _id;
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late MethodChannel _channel;
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final String materialPath;
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MimeticFilamentController(
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{this.materialPath = "packages/holovox_filament/assets/compiled.mat"});
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@override
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void onFilamentViewCreated(int id) async {
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_id = id;
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_channel = MethodChannel("mimetic.app/filament_view_$id");
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_channel.setMethodCallHandler((call) async {
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await Future.delayed(Duration(
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seconds:
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1)); // todo - need a better way to know when the GL context is actaully ready
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await _initialize();
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return Future.value(true);
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});
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}
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@override
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Future _initialize() async {
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final foo = await rootBundle.load(materialPath);
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print("Initializing with material path of size ${foo.lengthInBytes}");
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await _channel.invokeMethod("initialize", materialPath);
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}
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@override
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Future loadSkybox(String skyboxPath, String lightingPath) async {
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await _channel.invokeMethod("loadSkybox", [skyboxPath, lightingPath]);
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}
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Future loadGlb(String path) {
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throw Exception();
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}
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Future loadGltf(String path, String relativeResourcePath) async {
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print(
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"Loading GLTF at $path with relative resource path $relativeResourcePath");
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await _channel.invokeMethod("loadGltf", [path, relativeResourcePath]);
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}
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Future panStart(double x, double y) async {
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await _channel.invokeMethod("panStart", [x.toInt(), y.toInt()]);
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}
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Future panUpdate(double x, double y) async {
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await _channel.invokeMethod("panUpdate", [x.toInt(), y.toInt()]);
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}
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Future panEnd() async {
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await _channel.invokeMethod("panEnd");
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}
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Future rotateStart(double x, double y) async {
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await _channel.invokeMethod("rotateStart", [x.toInt(), y.toInt()]);
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}
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Future rotateUpdate(double x, double y) async {
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await _channel.invokeMethod("rotateUpdate", [x.toInt(), y.toInt()]);
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}
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Future rotateEnd() async {
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await _channel.invokeMethod("rotateEnd");
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}
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Future applyWeights(List<double> weights) async {
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await _channel.invokeMethod("applyWeights", weights);
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}
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Future<List<String>> getTargetNames(String meshName) async {
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var result = (await _channel.invokeMethod("getTargetNames", meshName))
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.cast<String>();
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return result;
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}
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Future animate(List<double> weights, int numWeights, double frameRate) async {
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await _channel
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.invokeMethod("animateWeights", [weights, numWeights, frameRate]);
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}
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Future releaseSourceAssets() async {
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await _channel.invokeMethod("releaseSourceAssets");
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}
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Future zoom(double z) async {
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await _channel.invokeMethod("zoom", z);
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}
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Future createMorpher(String meshName, List<int> primitives) async {
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await _channel.invokeMethod("createMorpher", [meshName, primitives]);
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}
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Future playAnimation(int index) async {
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await _channel.invokeMethod("playAnimation", index);
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}
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}
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