From ea38c8d69a2f2d5a94cb2f26f750dc6da9a31268 Mon Sep 17 00:00:00 2001
From: Dethrace Labs <78985374+dethrace-labs@users.noreply.github.com>
Date: Sat, 6 Sep 2025 07:52:02 +1200
Subject: [PATCH] PrintScreenFile matching

---
 src/DETHRACE/common/utility.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/src/DETHRACE/common/utility.c b/src/DETHRACE/common/utility.c
index 6d7156fb..99582449 100644
--- a/src/DETHRACE/common/utility.c
+++ b/src/DETHRACE/common/utility.c
@@ -650,20 +650,21 @@ void PrintScreenFile(FILE* pF) {
     int offset;
     tU8* pixel_ptr;
 
-    bit_map_size = gBack_screen->height * gBack_screen->row_bytes;
+    bit_map_size = gBack_screen->row_bytes * gBack_screen->height;
+    offset = 0x436;
 
     // 1. BMP Header
     //    1. 'BM' Signature
     WriteU8L(pF, 'B');
     WriteU8L(pF, 'M');
     //    2. File size in bytes (header = 0xe bytes; infoHeader = 0x28 bytes; colorTable = 0x400 bytes; pixelData = xxx)
-    WriteU32L(pF, bit_map_size + 0x436);
+    WriteU32L(pF, offset + bit_map_size);
     //    3. unused
     WriteU16L(pF, 0);
     //    4. unused
     WriteU16L(pF, 0);
     //    5. pixelData offset (from beginning of file)
-    WriteU32L(pF, 0x436);
+    WriteU32L(pF, offset);
 
     // 2. Info Header
     //    1. InfoHeader Size
@@ -705,13 +706,13 @@ void PrintScreenFile(FILE* pF) {
     }
 
     // 4. Pixel Data (=LUT)
-    offset = bit_map_size - gBack_screen->row_bytes;
+    // offset = bit_map_size - gBack_screen->row_bytes;
+    pixel_ptr = (tU8*)gBack_screen->pixels + bit_map_size - gBack_screen->row_bytes;
     for (i = 0; i < gBack_screen->height; i++) {
         for (j = 0; j < gBack_screen->row_bytes; j++) {
-            WriteU8L(pF, ((tU8*)gBack_screen->pixels)[offset]);
-            offset++;
+            WriteU8L(pF, *pixel_ptr++);
         }
-        offset -= 2 * gBack_screen->row_bytes;
+        pixel_ptr -= 2 * gBack_screen->row_bytes;
     }
     WriteU16L(pF, 0);
 }