Added a script to extract resource from JAR file (#565)

Author: TC999

tools/extract_jar.py

@@ -0,0 +1,68 @@
+import os
+import zipfile
+import shutil
+import sys
+
+def extract_minecraft_jar(jar_path, destination):
+    """
+    Extract specific files and folders from a Minecraft JAR file.
+
+    Args:
+        jar_path (str): Path to the minecraft.jar file.
+        destination (str): Destination directory to copy the extracted files.
+    """
+    # Ensure the JAR file exists
+    if not os.path.isfile(jar_path):
+        print(f"Error: The file {jar_path} does not exist.")
+        return
+
+    # Ensure the destination directory exists
+    if not os.path.exists(destination):
+        os.makedirs(destination)
+
+    # List of files and folders to extract
+    items_to_extract = [
+        "armor/",
+        "art/",
+        "environment/",
+        "font/",
+        "gui/",
+        "item/",
+        "misc/",
+        "mob/",
+        "terrain/",
+        "title/",
+        "pack.png",
+        "particles.png",
+        "terrain.png",
+    ]
+
+    # Open the JAR file as a ZIP archive
+    with zipfile.ZipFile(jar_path, 'r') as jar:
+        for item in items_to_extract:
+            found = False
+            for file in jar.namelist():
+                # Check if the file starts with the folder name or matches the file
+                if file.startswith(item):
+                    found = True
+                    # Extract the file to the destination directory
+                    print(f"Extracting {file}...")
+                    jar.extract(file, destination)
+            if not found:
+                print(f"Warning: {item} not found in {jar_path}.")
+
+    print("Extraction complete.")
+
+if __name__ == "__main__":
+    # Check if a JAR path is provided as a command-line argument
+    if len(sys.argv) > 1:
+        jar_path = sys.argv[1]
+    else:
+        # Prompt the user for the JAR path if not provided
+        jar_path = input("Enter the path to minecraft.jar: ").strip()
+
+    # Destination directory within the project
+    destination = os.path.join("..", "game", "assets", "resource_packs", "minecraft")
+
+    # Extract the JAR file
+    extract_minecraft_jar(jar_path, destination)