From 08b2a5da8dcec62d72564bef8e6f32e5b49b9593 Mon Sep 17 00:00:00 2001
From: 4am <a2_4am@sent.com>
Date: Wed, 13 Oct 2021 12:03:42 -0400
Subject: [PATCH] makefile sync

---
 bin/buildfx.sh | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/bin/buildfx.sh b/bin/buildfx.sh
index 29604cfbb..edda8cfcf 100755
--- a/bin/buildfx.sh
+++ b/bin/buildfx.sh
@@ -20,10 +20,22 @@ source=$(mktemp)
 (echo "*=0"                            # dummy program counter for assembler
  echo "!le16 $(wc -l <"$records"), 0"  # OKVS header
  while read -r key; do
-     echo "!byte ${#key}+5"            # OKVS record length
+     echo "!byte ${#key}+7"            # OKVS record length
      echo "!byte ${#key}"              # OKVS key length
      echo "!text \"$key\""             # OKVS key (effect name)
-     echo "!be24 $(wc -c <"$3")"       # offset into merged-effects file
+     offset=$(wc -c < "$3")
+     size=$(wc -c < "$4/$key")
+     echo "!be24 $offset"              # offset into merged-effects file
+     echo -n "!le16 "
+     # If offset+size does not cross a block boundary, use the size.
+     # Otherwise, round up size to the next block boundary.
+     # This padding does not get added to the file; it is just an
+     # optimization to avoid a partial copy on the last block read.
+     if [ $(($offset / 512)) -eq $((($offset + $size) / 512)) ]; then
+         echo "$size"
+     else
+         echo "$(((($offset + $size + 511) & -512) - $offset))"
+     fi
      cat "$4/$key" >> "$3"             # add effect code into merged-effects file
                                        # (all effects were previously assembled)
  done < "$records") > "$source"