[tools] Add simple python script to entirely reset End dimension generated before and get fresh one, improved (but please stop server & backup world before)

tools/remove_end.py

@@ -0,0 +1,46 @@
+world_name = "world"
+path_to_map_sqlite = "../../../worlds/" + world_name + "/map.sqlite"
+
+import sqlite3, sys
+
+try:
+	conn = sqlite3.connect(path_to_map_sqlite)
+except Error as e:
+	print(e)
+	sys.exit()
+
+def unsignedToSigned(i, max_positive):
+	if i < max_positive:
+		return i
+	else:
+		return i - 2*max_positive
+
+cursor = conn.cursor()
+cursor.execute("SELECT pos FROM blocks")
+poses = cursor.fetchall()
+end_blocks = []
+for i0 in (poses):
+	i = int(i0[0])
+	blockpos = i
+	x = unsignedToSigned(i % 4096, 2048)
+	i = int((i - x) / 4096)
+	y = unsignedToSigned(i % 4096, 2048)
+	i = int((i - y) / 4096)
+	z = unsignedToSigned(i % 4096, 2048)
+
+	node_pos_y = y * 16
+	if node_pos_y > -28811 and node_pos_y + 15 < -67:
+		end_blocks.append(blockpos)
+
+if len(end_blocks) < 1:
+	print ("End blocks not found")
+	sys.exit()
+
+counter = 0
+for blockpos in end_blocks:
+	print("Deleting ", blockpos)
+	cursor.execute("DELETE FROM blocks WHERE pos=" + str(blockpos))
+	counter += 1
+conn.commit()
+
+print(counter, " block(s) deleted")