From e6bf7e77797103ee7ab0eda57c360c38f1b2089c Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Tue, 2 Sep 2025 18:41:59 -0700
Subject: Add map orientation.

---
 tools/mkasset.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'tools')

diff --git a/tools/mkasset.py b/tools/mkasset.py
index 62d1d88..f21a2f9 100644
--- a/tools/mkasset.py
+++ b/tools/mkasset.py
@@ -13,6 +13,7 @@
 import argparse
 import ctypes
 import sys
+from enum import IntEnum
 from typing import Generator
 from xml.etree import ElementTree
 
@@ -23,6 +24,12 @@ from PIL import Image
 MAX_PATH_LENGTH = 128
 
 
+class Orientation(IntEnum):
+    """Map orientation. Must match Tm_Orientation in asset.h"""
+    Orthogonal = 0
+    Isometric = 1
+
+
 def drop_extension(filepath):
     return filepath[:filepath.rfind('.')]
 
@@ -178,11 +185,13 @@ def convert_tmx(input_filepath, output_filepath):
     base_tile_width = int(root.attrib["tilewidth"])
     base_tile_height = int(root.attrib["tileheight"])
     num_layers = 1
+    flags = Orientation.Isometric if (root.attrib["orientation"] == "isometric") else Orientation.Orthogonal
 
     print(f"Map width:   {map_width}")
     print(f"Map height:  {map_height}")
     print(f"Tile width:  {base_tile_width}")
     print(f"Tile height: {base_tile_height}")
+    print(f"Orientation: {flags}")
 
     tileset_path = None
 
@@ -205,6 +214,7 @@ def convert_tmx(input_filepath, output_filepath):
                 output.write(ctypes.c_uint16(base_tile_width))
                 output.write(ctypes.c_uint16(base_tile_height))
                 output.write(ctypes.c_uint16(num_layers))
+                output.write(ctypes.c_uint16(flags))
             elif child.tag == "layer":
                 layer = child
                 layer_id = int(layer.attrib["id"])
-- 
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