From 380d74403d63768fa808dfc0bcfa5102ae66cc58 Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Thu, 4 Sep 2025 19:02:08 -0700
Subject: Fix carving of images when handling single-image tile sets.

---
 tools/mkasset.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'tools')

diff --git a/tools/mkasset.py b/tools/mkasset.py
index c8311b6..a402e3c 100644
--- a/tools/mkasset.py
+++ b/tools/mkasset.py
@@ -65,8 +65,9 @@ def carve_image(rgba_bytes, tile_width, tile_height, columns) -> Generator[bytea
                 image_y = image_y0 + y  # y of current pixel inside image
                 for x in range(tile_width):
                     image_x = image_x0 + x  # x of current pixel inside image
-                    tile_bytes[(y * tile_width + x) * 4] = (
-                        rgba_bytes)[(image_y * image_width + image_x) * 4]
+                    for c in range(4):
+                        tile_bytes[((y * tile_width + x) * 4) + c] = (
+                            rgba_bytes)[((image_y * image_width + image_x) * 4) + c]
             yield tile_bytes.copy()
 
 
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