Fix incorrect state for mobs like squid and guardian

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## Metamorph 1.1
 
-A big update of Metamorph mod. This update introduces third-party morph support and public API. A lot of code was rewritten, and 
+A big update of Metamorph mod. This update introduces third-party morph support, improved GUIs and public API. A lot of code was rewritten, and there close to no morphs which use custom models (as in the first version).
 
 * Added Public API (technical)
     * `mchorse.metamorph.api.MorphAPI` class provides API static methods

src/main/java/mchorse/metamorph/api/morphs/EntityMorph.java

@@ -183,6 +183,11 @@ public boolean renderHand(EntityPlayer player, EnumHand hand)
     @SuppressWarnings({"unchecked", "rawtypes"})
     public void render(EntityLivingBase entity, double x, double y, double z, float entityYaw, float partialTicks)
     {
+        if (entity == null)
+        {
+            return;
+        }
+
         Render render = this.renderer;
 
         if (render == null)
@@ -242,6 +247,7 @@ public void setEntity(EntityLivingBase entity)
         this.entity = entity;
 
         entity.setHealth(entity.getMaxHealth());
+        entity.noClip = true;
 
         if (this.health == 20)
         {
@@ -330,9 +336,15 @@ public void update(EntityLivingBase target, IMorphing cap)
         }
 
         /* Injecting player's properties */
-        entity.posX = target.posX;
-        entity.posY = target.posY;
-        entity.posZ = target.posZ;
+        entity.setPosition(target.posX, target.posY, target.posZ);
+
+        entity.lastTickPosX = target.lastTickPosX;
+        entity.lastTickPosY = target.lastTickPosY;
+        entity.lastTickPosZ = target.lastTickPosZ;
+
+        entity.prevPosX = target.prevPosX;
+        entity.prevPosY = target.prevPosY;
+        entity.prevPosZ = target.prevPosZ;
 
         entity.rotationYaw = target.rotationYaw;
         entity.rotationPitch = target.rotationPitch;
@@ -360,6 +372,15 @@ public void update(EntityLivingBase target, IMorphing cap)
         entity.prevSwingProgress = target.prevSwingProgress;
         entity.prevLimbSwingAmount = target.prevLimbSwingAmount;
 
+        if (target instanceof EntityPlayer && ((EntityPlayer) target).isCreative())
+        {
+            entity.fallDistance = 0;
+        }
+        else
+        {
+            entity.fallDistance = target.fallDistance;
+        }
+
         entity.setSneaking(target.isSneaking());
         entity.setSprinting(target.isSprinting());
         entity.onGround = target.onGround;