diff --git a/src/main/java/re/imc/geysermodelenginepackgenerator/GeneratorMain.java b/src/main/java/re/imc/geysermodelenginepackgenerator/GeneratorMain.java
index 1c02740..7c324ca 100644
--- a/src/main/java/re/imc/geysermodelenginepackgenerator/GeneratorMain.java
+++ b/src/main/java/re/imc/geysermodelenginepackgenerator/GeneratorMain.java
@@ -109,7 +109,7 @@ public class GeneratorMain {
         File texturesFolder = new File(output, "textures/entity");
         File animationControllersFolder = new File(output, "animation_controllers");
         File renderControllersFolder = new File(output, "render_controllers");
-
+        File materialsFolder = new File(output, "materials");
 
         File manifestFile = new File(output, "manifest.json");
 
@@ -131,7 +131,10 @@ public class GeneratorMain {
         texturesFolder.mkdirs();
         animationControllersFolder.mkdirs();
         renderControllersFolder.mkdirs();
+        materialsFolder.mkdirs();
 
+        File materialFile = new File(materialsFolder, "entity.material");
+        
         for (Map.Entry<String, Animation> entry : animationMap.entrySet()) {
             Geometry geo = geometryMap.get(entry.getKey());
             if (geo != null) {
diff --git a/src/main/java/re/imc/geysermodelenginepackgenerator/generator/Animation.java b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/Animation.java
index 367c1c9..d022e2f 100644
--- a/src/main/java/re/imc/geysermodelenginepackgenerator/generator/Animation.java
+++ b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/Animation.java
@@ -46,6 +46,16 @@ public class Animation {
         for (Map.Entry<String, JsonElement> element : json.get("animations").getAsJsonObject().entrySet()) {
             animationIds.add(element.getKey());
             JsonObject animation = element.getValue().getAsJsonObject();
+
+            if (animation.has("override_previous_animation")) {
+                if (animation.get("override_previous_animation").getAsBoolean()) {
+                    if (!animation.has("loop")) {
+                        animation.addProperty("loop", "hold_on_last_frame");
+                        // play once but override must use this to avoid strange anim
+                    }
+                }
+            }
+
             if (animation.has("loop")) {
                 if (animation.get("loop").getAsJsonPrimitive().isString()) {
                     if (animation.get("loop").getAsString().equals("hold_on_last_frame")) {
@@ -74,6 +84,7 @@ public class Animation {
                     }
                 }
             }
+
             newAnimations.add("animation." + modelId + "." + element.getKey(), element.getValue());
         }
         json.add("animations", newAnimations);
diff --git a/src/main/java/re/imc/geysermodelenginepackgenerator/generator/PackManifest.java b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/PackManifest.java
index c44fadf..4924699 100644
--- a/src/main/java/re/imc/geysermodelenginepackgenerator/generator/PackManifest.java
+++ b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/PackManifest.java
@@ -23,8 +23,8 @@ public class PackManifest {
             }
             """;
 
-    public static String generate() {
+   public static String generate() {
         return TEMPLATE.replace("%uuid-1%", UUID.randomUUID().toString())
-                .replace("%uuid-2%", UUID.randomUUID().toString());
+                 .replace("%uuid-2%", UUID.randomUUID().toString());
     }
 }