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.

---
 include/isogfx/asset.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'include')

diff --git a/include/isogfx/asset.h b/include/isogfx/asset.h
index 6050500..361ffcd 100644
--- a/include/isogfx/asset.h
+++ b/include/isogfx/asset.h
@@ -43,6 +43,16 @@ typedef struct Ts_TileSet {
 // Tile map (TM) file format.
 // -----------------------------------------------------------------------------
 
+typedef enum Tm_Orientation {
+  Tm_Orthogonal = 0,
+  Tm_Isometric  = 1,
+} Tm_Orientation;
+
+typedef struct Tm_Flags {
+  Tm_Orientation orientation : 1;
+  int            unused      : 15;
+} Tm_Flags;
+
 typedef struct Tm_Layer {
   Tile tiles[1]; // Count: world_width * world_height.
 } Tm_Layer;
@@ -54,6 +64,7 @@ typedef struct Tm_Map {
   uint16_t base_tile_width;
   uint16_t base_tile_height;
   uint16_t num_layers;
+  uint16_t flags;    // Tm_flagsFlags
   Tm_Layer layers[]; // Count: num_layers.
 } Tm_Map;
 
-- 
cgit v1.2.3