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Split test to prefetch, movie

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This commit is contained in:
Zach Pomerantz 2016-04-27 13:59:27 -07:00
parent bc8a171fde
commit c2909946e6
4 changed files with 171 additions and 76 deletions
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76
examples/tests/scriptableResourceTest.js
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//
// scriptableResourceTest.js
// examples/tests
//
// Created by Zach Pomerantz on 4/20/16.
// Copyright 2016 High Fidelity, Inc.
//
// Preloads textures to play a simple movie, plays it, and frees those textures.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
// A model exported from blender with a texture named 'Picture' on one face.
var FRAME_URL = "http://hifi-production.s3.amazonaws.com/tutorials/pictureFrame/finalFrame.fbx";
// A folder full of individual frames.
var MOVIE_URL = "http://hifi-content.s3.amazonaws.com/james/vidtest/";
var NUM_FRAMES = 158; // 158 available
var FRAME_RATE = 30; // 30 default
var center = Vec3.sum(
Vec3.sum(MyAvatar.position, { x: 0, y: 0.5, z: 0 }),
Vec3.multiply(1, Quat.getFront(Camera.getOrientation()))
);
// Left-pad num with 0s until it is size digits
function pad(num, size) {
var s = num + "";
while (s.length < size) s = "0" + s;
return s;
}
var pictureFrameProperties = {
name: 'scriptableResourceTest Picture Frame',
type: 'Model',
position: center,
modelURL: FRAME_URL,
dynamic: true,
}
var pictureFrame = Entities.addEntity(pictureFrameProperties);
var frames = [];
// Preload
var numLoading = 0;
for (var i = 1; i <= NUM_FRAMES + 1; i++) {
var padded = pad(i, 3);
var filepath = MOVIE_URL + padded + '.jpg';
var texture = TextureCache.prefetch(filepath);
frames.push(texture);
if (!texture.loaded) {
numLoading++;
texture.loadedChanged.connect(function() {
numLoading--;
if (!numLoading) play();
});
}
}
function play() {
var frame = 0;
var movieInterval = Script.setInterval(function() {
Entities.editEntity(pictureFrame, { textures: JSON.stringify({ Picture: frames[frame].url }) })
frame += 1;
if (frame > NUM_FRAMES) {
Script.clearInterval(movieInterval);
Entities.deleteEntity(pictureFrame);
// free the textures at the next garbage collection
while (frames.length) frames.pop();
// alternatively, the textures can be forcibly freed:
// frames.forEach(function(texture) { texture.release(); });
Script.requestGarbageCollection();
}
}, 1000 / FRAME_RATE);
}

96
scripts/developer/tests/scriptableResource/lib.js Normal file
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//
// lib.js
// scripts/developer/tests/scriptableResource
//
// Created by Zach Pomerantz on 4/20/16.
// Copyright 2016 High Fidelity, Inc.
//
// Preloads textures to play a simple movie, plays it, and frees those textures.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
var NUM_FRAMES = 158; // 158 available
var FRAME_RATE = 30; // 30 default
function getFrame(callback) {
// A model exported from blender with a texture named 'Picture' on one face.
var FRAME_URL = "http://hifi-production.s3.amazonaws.com/tutorials/pictureFrame/finalFrame.fbx";
var model = ModelCache.prefetch(FRAME_URL);
if (model.loaded) {
makeFrame(true);
} else {
model.loadedChanged.connect(makeFrame);
}
function makeFrame(success) {
if (!success) { throw "Failed to load frame"; }
var pictureFrameProperties = {
name: 'scriptableResourceTest Picture Frame',
type: 'Model',
position: getPosition(),
modelURL: FRAME_URL,
dynamic: true,
};
callback(Entities.addEntity(pictureFrameProperties));
}
function getPosition() {
// Always put it 5 meters in front of you
var position = MyAvatar.position;
var yaw = MyAvatar.bodyYaw + MyAvatar.getHeadFinalYaw();
var rads = (yaw / 180) * Math.PI;
position.y += 0.5;
position.x += - 5 * Math.sin(rads);
position.z += - 5 * Math.cos(rads);
print(JSON.stringify(position));
return position;
}
}
function prefetch(callback) {
// A folder full of individual frames.
var MOVIE_URL = "http://hifi-content.s3.amazonaws.com/james/vidtest/";
var frames = [];
var numLoading = 0;
for (var i = 1; i <= NUM_FRAMES; ++i) {
var padded = pad(i, 3);
var filepath = MOVIE_URL + padded + '.jpg';
var texture = TextureCache.prefetch(filepath);
frames.push(texture);
if (!texture.loaded) {
numLoading++;
texture.loadedChanged.connect(function() {
--numLoading;
if (!numLoading) { callback(frames); }
});
}
}
if (!numLoading) { callback(frames); }
function pad(num, size) { // left-pad num with zeros until it is size digits
var s = num.toString();
while (s.length < size) { s = "0" + s; }
return s;
}
}
function play(model, frames, callback) {
var frame = 0;
var movieInterval = Script.setInterval(function() {
Entities.editEntity(model, { textures: JSON.stringify({ Picture: frames[frame].url }) });
if (++frame >= frames.length) {
Script.clearInterval(movieInterval);
callback();
}
}, 1000 / FRAME_RATE);
}

42
scripts/developer/tests/scriptableResource/movieTest.js Normal file
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//
// testMovie.js
// scripts/developer/tests/scriptableResource
//
// Created by Zach Pomerantz on 4/27/16.
// Copyright 2016 High Fidelity, Inc.
//
// Preloads textures, plays them on a frame model, and unloads them.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
var entity;
Script.include([
'../../../developer/utilities/cache/cacheStats.js',
'lib.js',
], function() {
getFrame(function(frame) {
entity = frame;
prefetch(function(frames) {
play(frame, frames, function() {
// Delete each texture, so the next garbage collection cycle will release them.
// Setting frames = null breaks the reference,
// but will not delete frames from the calling scope.
// Instead, we must mutate it in-place to free its elements for GC
// (assuming the elements are not held elsewhere).
while (frames.length) { frames.pop(); }
// Alternatively, forcibly release each texture without relying on GC.
// frames.forEach(function(texture) { texture.release(); });
Entities.deleteEntity(entity);
Script.requestGarbageCollection();
});
});
});
});
Script.scriptEnding.connect(function() { entity && Entities.deleteEntity(entity); });

33
scripts/developer/tests/scriptableResource/prefetchTest.js Normal file
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//
// testPrefetch.js
// scripts/developer/tests/scriptableResource
//
// Created by Zach Pomerantz on 4/27/16.
// Copyright 2016 High Fidelity, Inc.
//
// Preloads textures and unloads them.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
Script.include([
'../../../developer/utilities/cache/cacheStats.js',
'lib.js',
], function() {
prefetch(function(frames) {
// Delete each texture, so the next garbage collection cycle will release them.
// Setting frames = null breaks the reference,
// but will not delete frames from the calling scope.
// Instead, we must mutate it in-place to free its elements for GC
// (assuming the elements are not held elsewhere).
while (frames.length) { frames.pop(); }
// Alternatively, forcibly release each texture without relying on GC.
// frames.forEach(function(texture) { texture.release(); });
Script.requestGarbageCollection();
});
});