tweaks to entity API code

src/main/java/carpet/mixins/LivingEntity_scarpetEventsMixin.java

@@ -1,6 +1,7 @@
 package carpet.mixins;
 
 import carpet.fakes.EntityInterface;
+import carpet.fakes.LivingEntityInterface;
 import carpet.script.EntityEventsGroup;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.EntityType;
@@ -8,14 +9,19 @@ import net.minecraft.entity.LivingEntity;
 import net.minecraft.entity.damage.DamageSource;
 import net.minecraft.world.World;
 import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 @Mixin(LivingEntity.class)
-public abstract class LivingEntity_scarpetEventsMixin extends Entity
+public abstract class LivingEntity_scarpetEventsMixin extends Entity implements LivingEntityInterface
 {
 
+    @Shadow protected abstract void jump();
+
+    @Shadow protected boolean jumping;
+
     public LivingEntity_scarpetEventsMixin(EntityType<?> type, World world)
     {
         super(type, world);
@@ -26,4 +32,16 @@ public abstract class LivingEntity_scarpetEventsMixin extends Entity
     {
         ((EntityInterface)this).getEventContainer().onEvent(EntityEventsGroup.EntityEventType.ON_DEATH, this, damageSource_1.name);
     }
+
+    @Override
+    public void doJumpCM()
+    {
+        jump();
+    }
+
+    @Override
+    public boolean isJumpingCM()
+    {
+        return jumping;
+    }
 }