Merge branch '4.0-beta' of https://github.com/esotericsoftware/spine-runtimes into 4.0-beta

spine-libgdx/spine-libgdx-tests/src/com/esotericsoftware/spine/SkeletonAssetManagerTest.java

@@ -0,0 +1,130 @@
+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated January 1, 2020. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2020, Esoteric Software LLC
+ *
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
+ *
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software
+ * or otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
+ * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+package com.esotericsoftware.spine;
+
+import com.badlogic.gdx.ApplicationAdapter;
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.assets.AssetManager;
+import com.badlogic.gdx.backends.lwjgl.LwjglApplication;
+import com.badlogic.gdx.graphics.GL20;
+import com.badlogic.gdx.graphics.OrthographicCamera;
+import com.badlogic.gdx.graphics.g2d.PolygonSpriteBatch;
+import com.badlogic.gdx.graphics.g2d.TextureAtlas;
+
+import com.esotericsoftware.spine.utils.SkeletonDataLoader;
+import com.esotericsoftware.spine.utils.SkeletonDataLoader.SkeletonDataParameter;
+
+/** Like {@link SimpleTest1}, but using {@link AssetManager} to load the atlas and skeleton data. */
+public class SkeletonAssetManagerTest extends ApplicationAdapter {
+	OrthographicCamera camera;
+	PolygonSpriteBatch batch;
+	SkeletonRenderer renderer;
+	SkeletonRendererDebug debugRenderer;
+
+	AssetManager assetManager;
+	TextureAtlas atlas;
+	Skeleton skeleton;
+	AnimationState state;
+
+	public void create () {
+		camera = new OrthographicCamera();
+		batch = new PolygonSpriteBatch();
+		renderer = new SkeletonRenderer();
+		renderer.setPremultipliedAlpha(true); // PMA results in correct blending without outlines.
+		debugRenderer = new SkeletonRendererDebug();
+		debugRenderer.setBoundingBoxes(false);
+		debugRenderer.setRegionAttachments(false);
+
+		assetManager = new AssetManager();
+		assetManager.setLoader(SkeletonData.class, new SkeletonDataLoader(assetManager.getFileHandleResolver()));
+
+		float scale = 0.6f;
+		assetManager.load("spineboy/spineboy-pro.json", SkeletonData.class,
+			new SkeletonDataParameter("spineboy/spineboy-pma.atlas", scale));
+	}
+
+	public void render () {
+		Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
+
+		if (skeleton == null) {
+			// Not loaded yet.
+			assetManager.update();
+			// System.out.println(assetManager.getDiagnostics());
+			if (!assetManager.isFinished()) return;
+
+			// Assets are ready, set things up using them.
+			SkeletonData skeletonData = assetManager.get("spineboy/spineboy-pro.json");
+
+			skeleton = new Skeleton(skeletonData); // Skeleton holds skeleton state (bone positions, slot attachments, etc).
+			skeleton.setPosition(250, 20);
+
+			AnimationStateData stateData = new AnimationStateData(skeletonData); // Defines mixing (crossfading) between
+																										// animations.
+			stateData.setMix("run", "jump", 0.2f);
+			stateData.setMix("jump", "run", 0.2f);
+
+			state = new AnimationState(stateData); // Holds the animation state for a skeleton (current animation, time, etc).
+			state.setTimeScale(0.5f); // Slow all animations down to 50% speed.
+
+			// Queue animations on track 0.
+			state.setAnimation(0, "run", true);
+			state.addAnimation(0, "jump", false, 2); // Jump after 2 seconds.
+			state.addAnimation(0, "run", true, 0); // Run after the jump.
+		}
+
+		state.update(Gdx.graphics.getDeltaTime()); // Update the animation time.
+
+		state.apply(skeleton); // Poses skeleton using current animations. This sets the bones' local SRT.
+		skeleton.updateWorldTransform(); // Uses the bones' local SRT to compute their world SRT.
+
+		// Configure the camera, SpriteBatch, and SkeletonRendererDebug.
+		camera.update();
+		batch.getProjectionMatrix().set(camera.combined);
+		debugRenderer.getShapeRenderer().setProjectionMatrix(camera.combined);
+
+		batch.begin();
+		renderer.draw(batch, skeleton); // Draw the skeleton images.
+		batch.end();
+
+		debugRenderer.draw(skeleton); // Draw debug lines.
+	}
+
+	public void resize (int width, int height) {
+		camera.setToOrtho(false); // Update camera with new size.
+	}
+
+	public void dispose () {
+		assetManager.dispose();
+	}
+
+	public static void main (String[] args) throws Exception {
+		new LwjglApplication(new SkeletonAssetManagerTest());
+	}
+}