more entity events and entity item api

src/main/java/carpet/fakes/EntityInterface.java

@@ -4,6 +4,7 @@ import carpet.script.CarpetContext;
 import carpet.script.CarpetEventServer;
 import carpet.script.ScriptHost;
 import carpet.script.value.Value;
+import net.minecraft.entity.damage.DamageSource;
 
 import java.util.List;
 
@@ -13,8 +14,8 @@ public interface EntityInterface
     //scarpet part
     void onDeathCallback(String reason);
     void setDeathCallback(CarpetContext cc, String function, List<Value> extraArgs);
-    void onDamageCallback();
+    void onDamageCallback(float amount, DamageSource source);
     void setDamageCallback(CarpetContext cc, String function, List<Value> extraArgs);
-    void onRemovedCallback();
     void setRemovedCallback(CarpetContext cc, String function, List<Value> extraArgs);
+    void setTickCallback(CarpetContext cc, String function, List<Value> extraArgs);
 }

src/main/java/carpet/fakes/ItemEntityInterface.java

@@ -0,0 +1,7 @@
+package carpet.fakes;
+
+public interface ItemEntityInterface
+{
+    int getAge();
+    int getPickupDelay();
+}