Added new test world save and exports from jmc2obj and mineways

.gitattributes

@@ -2,3 +2,4 @@
 *.mtl filter=lfs diff=lfs merge=lfs -text
 *.png filter=lfs diff=lfs merge=lfs -text
 *.blend filter=lfs diff=lfs merge=lfs -text
+*.zip filter=lfs diff=lfs merge=lfs -text

MCprep_addon/commonmcobj_parser.py

@@ -214,34 +214,38 @@ def clean_and_extract(line: str) -> Tuple[str, str]:
 
     return header
 
+
 def parse_header(f: TextIO) -> Optional[CommonMCOBJ]:
     """
-    Parses a file and returns a CommonMCOBJ object if 
-    the header exists.
-    
+    Parses a file and returns a CommonMCOBJ object if the header exists.
+
     f: TextIO
         File object
-    
+
     Returns:
         - CommonMCOBJ object if header exists
         - None otherwise
     """
 
     header: List[str] = []
     found_header = False
-    
+
     # Read in the header
-    for l in f:
-        tl = " ".join(l.rstrip().split())
-        if tl == "# COMMON_MC_OBJ_START":
+    lines_read = 0
+    for _l in f:
+        tl = " ".join(_l.rstrip().split())
+        lines_read += 1
+        if lines_read > 100 and tl and not tl.startswith("#"):
+            break  # no need to parse further than the true header area
+        elif tl == "# COMMON_MC_OBJ_START":
             header.append(tl)
-            found_header = True 
+            found_header = True
             continue
         elif tl == "# COMMON_MC_OBJ_END":
             header.append(tl)
             break
         if not found_header or tl == "#":
-            continue 
+            continue
         header.append(tl)
     if not len(header):
         return None