Fixes

Now Oceans have Gravel in the bottom.
Now DarkOakLeaves have correct color

Minecraft.Client/Common/res/TitleUpdate/res/colours.xml

@@ -29,7 +29,7 @@
   <colour name="Foliage_Jungle" value="29bc05"/>
   <colour name="Foliage_JungleHills" value="29bc05"/>
   <colour name="Foliage_Savanna" value="9eb34e"/>
-  <colour name="Foliage_RoofedForest" value="28340a"/>
+  <colour name="Foliage_RoofedForest" value="59ae30"/>
   
 
   <!-- Grass colours -->

Minecraft.Client/Common/res/TitleUpdate/res/xml2col.py

@@ -0,0 +1,41 @@
+import struct
+import xml.etree.ElementTree as ET
+
+def write_utf_string(f, s):
+    # Format DataOutputStream: 2 byte lenght + string
+    binary_str = s.encode('utf-8')
+    f.write(struct.pack('>H', len(binary_str)))
+    f.write(binary_str)
+
+def convert_xml_to_col(xml_file, output_col):
+    try:
+        tree = ET.parse(xml_file)
+        root = tree.getroot()
+        
+        colours = []
+        for colour in root.findall('colour'):
+            name = colour.get('name')
+            value_str = colour.get('value')
+            
+            # Convert hex to int
+            value_int = int(value_str, 16)
+            colours.append((name, value_int))
+        
+        with open(output_col, 'wb') as f:
+            # Header: Version1 + colour counter
+            f.write(struct.pack('>I', 1)) 
+            f.write(struct.pack('>I', len(colours)))
+            
+            for name, value in colours:
+                write_utf_string(f, name)
+                # 'I' (unsigned int) to avoid error 2 miliardi
+                f.write(struct.pack('>I', value))
+                
+        print(f"Success! Created: {output_col} with {len(colours)} colors.")
+        
+    except Exception as e:
+        print(f"Error during conversion: {e}")
+
+if __name__ == "__main__":
+    # Make sure file name is  "colours.xml"
+    convert_xml_to_col('colours.xml', 'colours.col')

Minecraft.World/OceanBiome.h

@@ -10,5 +10,7 @@ public:
 		friendlies.clear();
 		friendlies_chicken.clear();	// 4J added since chicken now separated from main friendlies
 		friendlies_wolf.clear();	// 4J added since wolf now separated from main friendlies
+		topMaterial = Tile::gravel_Id;   // blocco superficiale
+        material    = Tile::gravel_Id;
 	}
 };