public void create() {
Thread.setDefaultUncaughtExceptionHandler(
new UncaughtExceptionHandler() {
public void uncaughtException(Thread thread, Throwable ex) {
ex.printStackTrace();
Runtime.getRuntime().halt(0); // Prevent Swing from keeping JVM alive.
}
});
prefs = Gdx.app.getPreferences("spine-skeletonviewer");
ui = new UI();
batch = new PolygonSpriteBatch();
renderer = new SkeletonMeshRenderer();
debugRenderer = new SkeletonRendererDebug();
skeletonX = (int) (ui.window.getWidth() + (Gdx.graphics.getWidth() - ui.window.getWidth()) / 2);
skeletonY = Gdx.graphics.getHeight() / 4;
ui.loadPrefs();
loadSkeleton(
Gdx.files.internal(
Gdx.app
.getPreferences("spine-skeletonviewer")
.getString("lastFile", "spineboy/spineboy.json")));
ui.loadPrefs();
}
public void render() {
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
float delta = Gdx.graphics.getDeltaTime();
// Draw skeleton origin lines.
ShapeRenderer shapes = debugRenderer.getShapeRenderer();
if (state != null) {
shapes.setColor(Color.DARK_GRAY);
shapes.begin(ShapeType.Line);
shapes.line(skeleton.x, -99999, skeleton.x, 99999);
shapes.line(-99999, skeleton.y, 99999, skeleton.y);
shapes.end();
}
if (skeleton != null) {
// Reload if skeleton file was modified.
if (reloadTimer <= 0) {
lastModifiedCheck -= delta;
if (lastModifiedCheck < 0) {
lastModifiedCheck = checkModifiedInterval;
long time = skeletonFile.lastModified();
if (time != 0 && lastModified != time) reloadTimer = reloadDelay;
}
} else {
reloadTimer -= delta;
if (reloadTimer <= 0) {
loadSkeleton(skeletonFile);
ui.toast("Reloaded.");
}
}
// Pose and render skeleton.
state.getData().setDefaultMix(ui.mixSlider.getValue());
renderer.setPremultipliedAlpha(ui.premultipliedCheckbox.isChecked());
skeleton.setFlip(ui.flipXCheckbox.isChecked(), ui.flipYCheckbox.isChecked());
skeleton.setPosition(skeletonX, skeletonY);
delta = Math.min(delta, 0.032f) * ui.speedSlider.getValue();
skeleton.update(delta);
state.update(delta);
state.apply(skeleton);
skeleton.updateWorldTransform();
batch.setColor(Color.WHITE);
batch.begin();
renderer.draw(batch, skeleton);
batch.end();
debugRenderer.setBones(ui.debugBonesCheckbox.isChecked());
debugRenderer.setRegionAttachments(ui.debugRegionsCheckbox.isChecked());
debugRenderer.setBoundingBoxes(ui.debugBoundingBoxesCheckbox.isChecked());
debugRenderer.setMeshHull(ui.debugMeshHullCheckbox.isChecked());
debugRenderer.setMeshTriangles(ui.debugMeshTrianglesCheckbox.isChecked());
debugRenderer.setPaths(ui.debugPathsCheckbox.isChecked());
debugRenderer.draw(skeleton);
}
if (state != null) {
// AnimationState status.
status.setLength(0);
for (int i = 0, n = state.getTracks().size; i < n; i++) {
TrackEntry entry = state.getTracks().get(i);
if (entry == null) continue;
status.append(i);
status.append(": [LIGHT_GRAY]");
status(entry);
status.append("[WHITE]");
status.append(entry.animation.name);
status.append('\n');
}
ui.statusLabel.setText(status);
}
// Render UI.
ui.render();
// Draw indicator lines for animation and mix times.
if (state != null) {
TrackEntry entry = state.getCurrent(0);
if (entry != null) {
shapes.begin(ShapeType.Line);
float percent = entry.getAnimationTime() / entry.getAnimationEnd();
float x = ui.window.getRight() + (Gdx.graphics.getWidth() - ui.window.getRight()) * percent;
shapes.setColor(Color.CYAN);
shapes.line(x, 0, x, 12);
percent =
entry.getMixDuration() == 0
? 1
: Math.min(1, entry.getMixTime() / entry.getMixDuration());
x = ui.window.getRight() + (Gdx.graphics.getWidth() - ui.window.getRight()) * percent;
shapes.setColor(Color.RED);
shapes.line(x, 0, x, 12);
shapes.end();
}
}
}
void loadSkeleton(final FileHandle skeletonFile) {
if (skeletonFile == null) return;
try {
// Setup a texture atlas that uses a white image for images not found in the atlas.
Pixmap pixmap = new Pixmap(32, 32, Format.RGBA8888);
pixmap.setColor(new Color(1, 1, 1, 0.33f));
pixmap.fill();
final AtlasRegion fake = new AtlasRegion(new Texture(pixmap), 0, 0, 32, 32);
pixmap.dispose();
String atlasFileName = skeletonFile.nameWithoutExtension();
if (atlasFileName.endsWith(".json"))
atlasFileName = new FileHandle(atlasFileName).nameWithoutExtension();
FileHandle atlasFile = skeletonFile.sibling(atlasFileName + ".atlas");
if (!atlasFile.exists()) atlasFile = skeletonFile.sibling(atlasFileName + ".atlas.txt");
TextureAtlasData data =
!atlasFile.exists() ? null : new TextureAtlasData(atlasFile, atlasFile.parent(), false);
TextureAtlas atlas =
new TextureAtlas(data) {
public AtlasRegion findRegion(String name) {
AtlasRegion region = super.findRegion(name);
if (region == null) {
// Look for separate image file.
FileHandle file = skeletonFile.sibling(name + ".png");
if (file.exists()) {
Texture texture = new Texture(file);
texture.setFilter(TextureFilter.Linear, TextureFilter.Linear);
region = new AtlasRegion(texture, 0, 0, texture.getWidth(), texture.getHeight());
region.name = name;
}
}
return region != null ? region : fake;
}
};
// Load skeleton data.
String extension = skeletonFile.extension();
if (extension.equalsIgnoreCase("json") || extension.equalsIgnoreCase("txt")) {
SkeletonJson json = new SkeletonJson(atlas);
json.setScale(ui.scaleSlider.getValue());
skeletonData = json.readSkeletonData(skeletonFile);
} else {
SkeletonBinary binary = new SkeletonBinary(atlas);
binary.setScale(ui.scaleSlider.getValue());
skeletonData = binary.readSkeletonData(skeletonFile);
if (skeletonData.getBones().size == 0) throw new Exception("No bones in skeleton data.");
}
} catch (Exception ex) {
ex.printStackTrace();
ui.toast("Error loading skeleton: " + skeletonFile.name());
lastModifiedCheck = 5;
return;
}
skeleton = new Skeleton(skeletonData);
skeleton.setToSetupPose();
skeleton = new Skeleton(skeleton); // Tests copy constructors.
skeleton.updateWorldTransform();
state = new AnimationState(new AnimationStateData(skeletonData));
state.addListener(
new AnimationStateAdapter() {
public void event(TrackEntry entry, Event event) {
ui.toast(event.getData().getName());
}
});
this.skeletonFile = skeletonFile;
prefs.putString("lastFile", skeletonFile.path());
prefs.flush();
lastModified = skeletonFile.lastModified();
lastModifiedCheck = checkModifiedInterval;
// Populate UI.
ui.window.getTitleLabel().setText(skeletonFile.name());
{
Array<String> items = new Array();
for (Skin skin : skeletonData.getSkins()) items.add(skin.getName());
ui.skinList.setItems(items);
}
{
Array<String> items = new Array();
for (Animation animation : skeletonData.getAnimations()) items.add(animation.getName());
ui.animationList.setItems(items);
}
ui.trackButtons.getButtons().first().setChecked(true);
// Configure skeleton from UI.
if (ui.skinList.getSelected() != null) skeleton.setSkin(ui.skinList.getSelected());
setAnimation();
// ui.animationList.clearListeners();
// state.setAnimation(0, "walk", true);
}