Created AnimDataKeyframeEvent

AnimStepper will generate Keyframe events for non-zero keyframes
Created constants for keyframe values and debug toString method
Added logging to AnimStepper

core/src/com/riiablo/engine/Engine.java

@@ -37,6 +37,20 @@ public class Engine {
     return COMPOSITE_NAME[component];
   }
 
+  public static final byte KEYFRAME_NIL = 0;
+  public static final byte KEYFRAME_ATK = 1;
+  public static final byte KEYFRAME_MIS = 2;
+  public static final byte KEYFRAME_SND = 3;
+  public static final byte KEYFRAME_SKL = 4;
+
+  private static final String[] KEYFRAME_NAME = {
+      "", "ATK", "MIS", "SND", "SKL"
+  };
+
+  public static String getKeyframe(byte keyframe) {
+    return KEYFRAME_NAME[keyframe];
+  }
+
   public static final class Object {
     public static final int SUBCLASS_SHRINE    = 1 << 0; // displays "<shrine_type> Shrine"
     public static final int SUBCLASS_OBELISH   = 1 << 1; // does nothing

core/src/com/riiablo/engine/server/Actioneer.java

@@ -4,13 +4,16 @@ import org.apache.logging.log4j.Logger;
 
 import com.artemis.ComponentMapper;
 import net.mostlyoriginal.api.event.common.EventSystem;
+import net.mostlyoriginal.api.event.common.Subscribe;
 import net.mostlyoriginal.api.system.core.PassiveSystem;
 
 import com.riiablo.Riiablo;
 import com.riiablo.codec.excel.Skills;
+import com.riiablo.engine.Engine;
 import com.riiablo.engine.server.component.Class;
 import com.riiablo.engine.server.component.MovementModes;
 import com.riiablo.engine.server.component.Sequence;
+import com.riiablo.engine.server.event.AnimDataKeyframeEvent;
 import com.riiablo.engine.server.event.SkillCastEvent;
 import com.riiablo.log.LogManager;
 
@@ -42,6 +45,12 @@ public class Actioneer extends PassiveSystem {
     srvstfunc(entityId, skill.srvstfunc);
   }
 
+  @Subscribe
+  public void onKeyframe(AnimDataKeyframeEvent event) {
+    log.debug("onKeyframe: {}, {} ({})", event.entityId, event.keyframe, Engine.getKeyframe(event.keyframe));
+    // if isCasting(id): srvdofunc(id, spell.srcdofunc)
+  }
+
   // start func
   private void srvstfunc(int entityId, int srvstfunc) {
     log.trace("srvstfunc({},{})", entityId, srvstfunc);

core/src/com/riiablo/engine/server/AnimStepper.java

@@ -1,16 +1,23 @@
 package com.riiablo.engine.server;
 
+import org.apache.logging.log4j.Logger;
+
 import com.artemis.ComponentMapper;
 import com.artemis.annotations.All;
 import com.artemis.systems.IntervalIteratingSystem;
+import net.mostlyoriginal.api.event.common.EventSystem;
+
 import com.riiablo.codec.Animation;
+import com.riiablo.engine.Engine;
 import com.riiablo.engine.server.component.AnimData;
 import com.riiablo.engine.server.event.AnimDataFinishedEvent;
-
+import com.riiablo.engine.server.event.AnimDataKeyframeEvent;
-import net.mostlyoriginal.api.event.common.EventSystem;
+import com.riiablo.log.LogManager;
 
 @All(AnimData.class)
 public class AnimStepper extends IntervalIteratingSystem {
+  private static final Logger log = LogManager.getLogger(AnimStepper.class);
+
   protected ComponentMapper<AnimData> mAnimData;
 
   protected EventSystem events;
@@ -27,5 +34,11 @@ public class AnimStepper extends IntervalIteratingSystem {
       animData.frame -= animData.numFrames;
       events.dispatch(AnimDataFinishedEvent.obtain(entityId));
     }
+
+    final byte keyframe = animData.keyframes[animData.frame >>> 8];
+    if (keyframe > Engine.KEYFRAME_NIL) {
+      log.debug("broadcasting AnimDataKeyframeEvent({},{})", entityId, Engine.getKeyframe(keyframe));
+      events.dispatch(AnimDataKeyframeEvent.obtain(entityId, keyframe));
+    }
   }
 }

core/src/com/riiablo/engine/server/event/AnimDataKeyframeEvent.java

@@ -0,0 +1,18 @@
+package com.riiablo.engine.server.event;
+
+import com.artemis.annotations.EntityId;
+import net.mostlyoriginal.api.event.common.Event;
+
+public class AnimDataKeyframeEvent implements Event {
+  @EntityId
+  public int entityId;
+
+  public byte keyframe;
+
+  public static AnimDataKeyframeEvent obtain(int entityId, byte keyframe) {
+    AnimDataKeyframeEvent event = new AnimDataKeyframeEvent();
+    event.entityId = entityId;
+    event.keyframe = keyframe;
+    return event;
+  }
+}