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Teach Asteroids Sounds how to load from AssetBundle

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@abarth
This commit is contained in:
Eric Seidel 2015-08-17 15:50:17 -07:00
parent 4cae568fec
commit 67c481b2ef
6 changed files with 24 additions and 17 deletions
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4
examples/game/lib/main.dart
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@ -48,8 +48,8 @@ main() async {
_app = new GameDemoApp();
_sounds["explosion"] = new SoundEffect('https://github.com/slembcke/GalacticGuardian.spritebuilder/raw/GDC/Packages/SpriteBuilder%20Resources.sbpack/TempSounds/Explosion.wav');
_sounds["laser"] = new SoundEffect('https://github.com/slembcke/GalacticGuardian.spritebuilder/raw/GDC/Packages/SpriteBuilder%20Resources.sbpack/TempSounds/Laser.wav');
_sounds["explosion"] = new SoundEffect(_bundle.load('assets/explosion.wav'));
_sounds["laser"] = new SoundEffect(_bundle.load('assets/laser.wav'));
await _sounds["explosion"].load();
await _sounds["laser"].load();

9
examples/game/lib/sound.dart
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@ -6,16 +6,15 @@ part of sprites;
typedef void SoundEffectStreamCallback(SoundEffectStream);
class SoundEffect {
SoundEffect(this._url);
SoundEffect(this._pipeFuture);
// TODO: Remove load method from SoundEffect
Future load() async {
UrlResponse response = await fetchUrl(_url);
_data = response.body;
_data = await _pipeFuture;
}
String _url;
Object _data;
Future<MojoDataPipeConsumer> _pipeFuture;
MojoDataPipeConsumer _data;
}
class SoundEffectStream {

2
examples/game/lib/sound_manager.dart
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@ -54,7 +54,6 @@ class SoundManager {
static void purgeSharedInstance() {
if (_sharedSoundManager == null) return;
_sharedSoundManager._running = false;
_sharedSoundManager = null;
}
@ -72,7 +71,6 @@ class SoundManager {
bool enableBackgroundMusic;
bool enableSoundEffects;
bool _running = true;
int _lastTimeStamp;
void playEvent(SoundEvent evt, [double volume = 1.0, double pitch = 1.0, double pan = 0.0]) {

1
examples/game/lib/sprites.dart
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@ -10,6 +10,7 @@ import 'dart:math' as math;
import 'dart:typed_data';
import 'dart:sky';
import 'package:mojo/core.dart';
import 'package:mojo/mojo/url_response.mojom.dart';
import 'package:sky/animation/curves.dart';
import 'package:sky/base/scheduler.dart' as scheduler;

23
packages/flutter/lib/mojo/asset_bundle.dart
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@ -18,6 +18,7 @@ abstract class AssetBundle {
void close();
ImageResource loadImage(String key);
Future<String> loadString(String key);
Future<core.MojoDataPipeConsumer> load(String key);
}
class NetworkAssetBundle extends AssetBundle {
@ -27,13 +28,15 @@ class NetworkAssetBundle extends AssetBundle {
void close() { }
ImageResource loadImage(String key) {
return image_cache.load(_baseUrl.resolve(key).toString());
String _urlFromKey(String key) => _baseUrl.resolve(key).toString();
Future<core.MojoDataPipeConsumer> load(String key) async {
return (await fetchUrl(_urlFromKey(key))).body;
}
Future<String> loadString(String key) {
return fetchString(_baseUrl.resolve(key).toString());
}
ImageResource loadImage(String key) => image_cache.load(_urlFromKey(key));
Future<String> loadString(String key) => fetchString(_urlFromKey(key));
}
Future _fetchAndUnpackBundle(String relativeUrl, AssetBundleProxy bundle) async {
@ -66,19 +69,23 @@ class MojoAssetBundle extends AssetBundle {
ImageResource loadImage(String key) {
return _imageCache.putIfAbsent(key, () {
Completer<sky.Image> completer = new Completer<sky.Image>();
_bundle.ptr.getAsStream(key).then((response) {
new sky.ImageDecoder(response.assetData.handle.h, completer.complete);
load(key).then((assetData) {
new sky.ImageDecoder(assetData.handle.h, completer.complete);
});
return new ImageResource(completer.future);
});
}
Future<String> _fetchString(String key) async {
core.MojoDataPipeConsumer pipe = (await _bundle.ptr.getAsStream(key)).assetData;
core.MojoDataPipeConsumer pipe = await load(key);
ByteData data = await core.DataPipeDrainer.drainHandle(pipe);
return new String.fromCharCodes(new Uint8List.view(data.buffer));
}
Future<core.MojoDataPipeConsumer> load(String key) async {
return (await _bundle.ptr.getAsStream(key)).assetData;
}
Future<String> loadString(String key) {
return _stringCache.putIfAbsent(key, () => _fetchString(key));
}

2
packages/flutter/lib/mojo/net/fetch.dart
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@ -12,6 +12,8 @@ import 'package:mojo_services/mojo/network_service.mojom.dart';
import 'package:mojo_services/mojo/url_loader.mojom.dart';
import 'package:sky/mojo/shell.dart' as shell;
export 'package:mojo/mojo/url_response.mojom.dart' show UrlResponse;
NetworkServiceProxy _initNetworkService() {
NetworkServiceProxy networkService = new NetworkServiceProxy.unbound();
shell.requestService("mojo:authenticated_network_service", networkService);