Merge pull request #14 from Disk1of5/master

New test and added animation state.

.gitignore

@@ -1,7 +1,4 @@
 spine-cpp/Debug/*
 spine-libgdx/bin/*
-spine-libgdx/libs/gdx-backend-lwjgl-natives.jar
-spine-libgdx/libs/gdx-backend-lwjgl.jar
-spine-libgdx/libs/gdx-natives.jar
-spine-libgdx/libs/gdx.jar
-target
+spine-libgdx/libs/*
+target

spine-libgdx/spine-libgdx.iml

@@ -0,0 +1,24 @@
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+

spine-libgdx/spine-libgdx.ipr

@@ -0,0 +1,169 @@
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spine-libgdx/spine-libgdx.iws

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+    <entry file="file://$PROJECT_DIR$/src/com/esotericsoftware/spine/BoneData.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="3" column="13" selection-start="51" selection-end="51" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/com/esotericsoftware/spine/Animation.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="7" column="13" selection-start="169" selection-end="169" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/spine-libgdx.iml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="0" column="0" selection-start="0" selection-end="0" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/spine-libgdx.ipr">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="8" column="0" selection-start="274" selection-end="274" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/spine-libgdx.iws">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="2" column="0" selection-start="61" selection-end="61" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/spine-libgdx.iml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="0" column="0" selection-start="0" selection-end="0" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/spine-libgdx.ipr">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="1" column="0" selection-start="39" selection-end="39" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/spine-libgdx.iws">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="10" column="0" selection-start="781" selection-end="781" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/com/esotericsoftware/spine/Attachment.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="5" column="22" selection-start="111" selection-end="111" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/com/esotericsoftware/spine/AttachmentType.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="3" column="12" selection-start="50" selection-end="50" vertical-scroll-proportion="0.0" />
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/com/esotericsoftware/spine/BoneData.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="3" column="13" selection-start="51" selection-end="51" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/com/esotericsoftware/spine/Animation.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="7" column="13" selection-start="169" selection-end="169" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/com/esotericsoftware/spine/AnimationState.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="19" column="26" selection-start="483" selection-end="483" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/test/com/esotericsoftware/spine/MixTest.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="111" column="8" selection-start="3497" selection-end="3497" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/test/com/esotericsoftware/spine/SkeletonTest.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="21" column="13" selection-start="866" selection-end="866" vertical-scroll-proportion="0.0">
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/test/com/esotericsoftware/spine/AnimationStatesTest.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="71" column="12" selection-start="2248" selection-end="2292" vertical-scroll-proportion="0.7787611">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+  </component>
+  <component name="masterDetails">
+    <states>
+      <state key="ArtifactsStructureConfigurable.UI">
+        <settings>
+          <artifact-editor />
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="FacetStructureConfigurable.UI">
+        <settings>
+          <last-edited>No facets are configured</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="GlobalLibrariesConfigurable.UI">
+        <settings>
+          <last-edited>jQuery</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="JdkListConfigurable.UI">
+        <settings>
+          <last-edited>1.7</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ModuleStructureConfigurable.UI">
+        <settings>
+          <last-edited>spine-libgdx</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ProjectJDKs.UI">
+        <settings>
+          <last-edited>1.7</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ProjectLibrariesConfigurable.UI">
+        <settings>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+    </states>
+  </component>
+</project>
+

spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java

@@ -0,0 +1,97 @@
+
+package com.esotericsoftware.spine;
+
+import com.esotericsoftware.spine.Animation;
+import com.esotericsoftware.spine.Skeleton;
+
+import com.badlogic.gdx.math.MathUtils;
+import com.badlogic.gdx.utils.ObjectMap;
+
+public class AnimationState {
+	Animation current;
+	float currentTime;
+	boolean currentLoop;
+	Animation previous;
+	float previousTime;
+	boolean previousLoop;
+	float mixTime, mixDuration;
+	Key tempKey = new Key();
+	ObjectMap<Key, Float> animationToMixTime = new ObjectMap();
+
+	public void apply (Skeleton skeleton) {
+		if (current == null) return;
+		if (previous != null) {
+			previous.apply(skeleton, previousTime, previousLoop);
+			float alpha = MathUtils.clamp(mixTime / mixDuration, 0, 1);
+			current.mix(skeleton, currentTime, currentLoop, alpha);
+			if (alpha == 1) previous = null;
+		} else {
+			current.apply(skeleton, currentTime, currentLoop);
+		}
+	}
+
+	public void update (float delta) {
+		currentTime += delta;
+		previousTime += delta;
+		mixTime += delta;
+	}
+
+	public void setMixing (Animation from, Animation to, float duration) {
+		if (from == null) throw new IllegalArgumentException("from cannot be null.");
+		if (to == null) throw new IllegalArgumentException("to cannot be null.");
+		Key key = new Key();
+		key.a1 = from;
+		key.a2 = to;
+		animationToMixTime.put(key, duration);
+	}
+
+	public void setAnimation (Animation animation, boolean loop) {
+		setAnimation(animation, loop, 0);
+	}
+
+	public void setAnimation (Animation animation, boolean loop, float time) {
+		previous = null;
+		if (animation != null && current != null) {
+			tempKey.a1 = current;
+			tempKey.a2 = animation;
+			if (animationToMixTime.containsKey(tempKey)) {
+				mixDuration = animationToMixTime.get(tempKey);
+				mixTime = 0;
+				previous = current;
+			}
+		}
+		current = animation;
+		currentLoop = loop;
+		currentTime = time;
+	}
+
+	/** @return May be null. */
+	public Animation getAnimation () {
+		return current;
+	}
+
+	public float getTime () {
+		return currentTime;
+	}
+
+	static class Key {
+		Animation a1, a2;
+
+		public int hashCode () {
+			return 31 * (31 + a1.hashCode()) + a2.hashCode();
+		}
+
+		public boolean equals (Object obj) {
+			if (this == obj) return true;
+			if (obj == null) return false;
+			Key other = (Key)obj;
+			if (a1 == null) {
+				if (other.a1 != null) return false;
+			} else if (!a1.equals(other.a1)) return false;
+			if (a2 == null) {
+				if (other.a2 != null) return false;
+			} else if (!a2.equals(other.a2)) return false;
+			return true;
+		}
+	}
+}

spine-libgdx/test/com/esotericsoftware/spine/AnimationStatesTest.java

@@ -0,0 +1,74 @@
+
+package com.esotericsoftware.spine;
+
+import com.badlogic.gdx.ApplicationAdapter;
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.backends.lwjgl.LwjglApplication;
+import com.badlogic.gdx.backends.lwjgl.LwjglApplicationConfiguration;
+import com.badlogic.gdx.graphics.GL10;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import com.badlogic.gdx.graphics.g2d.TextureAtlas;
+import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
+
+public class AnimationStatesTest extends ApplicationAdapter {
+	SpriteBatch batch;
+	ShapeRenderer renderer;
+
+	TextureAtlas atlas;
+	Skeleton skeleton;
+	Animation walkAnimation;
+	Animation jumpAnimation;
+	Bone root;
+	AnimationState state;
+
+	public void create () {
+		batch = new SpriteBatch();
+		renderer = new ShapeRenderer();
+
+		atlas = new TextureAtlas(Gdx.files.internal("spineboy.atlas"));
+		SkeletonJson json = new SkeletonJson(atlas);
+		SkeletonData skeletonData = json.readSkeletonData(Gdx.files.internal("spineboy-skeleton.json"));
+		walkAnimation = json.readAnimation(Gdx.files.internal("spineboy-walk.json"), skeletonData);
+		jumpAnimation = json.readAnimation(Gdx.files.internal("spineboy-jump.json"), skeletonData);
+
+		state = new AnimationState();
+		state.setMixing(walkAnimation, jumpAnimation, 0.4f);
+		state.setAnimation(walkAnimation, true);
+
+		skeleton = new Skeleton(skeletonData);
+
+		root = skeleton.getRootBone();
+		root.setX(250);
+		root.setY(20);
+
+		skeleton.updateWorldTransform();
+	}
+
+	public void render () {
+		state.update(Gdx.graphics.getDeltaTime() / 1); //Change the value of the integer to modify animation speed. Increase to slow Speed.
+
+		Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT);
+		batch.begin();
+
+		state.apply(skeleton);
+		if (state.getTime() > 1 && state.getAnimation() == walkAnimation) state.setAnimation(jumpAnimation, false);
+		skeleton.updateWorldTransform();
+		skeleton.draw(batch);
+
+		batch.end();
+	}
+
+	public void resize (int width, int height) {
+		batch.getProjectionMatrix().setToOrtho2D(0, 0, width, height);
+		renderer.setProjectionMatrix(batch.getProjectionMatrix());
+	}
+
+	public void dispose () {
+		atlas.dispose();
+	}
+
+	public static void main (String[] args) throws Exception {
+		LwjglApplicationConfiguration config = new LwjglApplicationConfiguration();
+		new LwjglApplication(new AnimationStatesTest());
+	}
+}