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| author | gumi <git@gumi.ca> | 2020-05-12 18:16:23 -0400 |
|---|---|---|
| committer | gumi <git@gumi.ca> | 2020-07-20 11:06:48 -0400 |
| commit | 619ec9cab33d944be272e075bcc57b5c86e39e1b (patch) | |
| tree | 8a21556d9d9ddd05ea6f341d1aa72d6c10d170a2 | |
| parent | d320a2838d91ba7088978c131333e51bfd482d5b (diff) | |
| download | serverdata-619ec9cab33d944be272e075bcc57b5c86e39e1b.tar.gz serverdata-619ec9cab33d944be272e075bcc57b5c86e39e1b.tar.bz2 serverdata-619ec9cab33d944be272e075bcc57b5c86e39e1b.tar.xz serverdata-619ec9cab33d944be272e075bcc57b5c86e39e1b.zip | |
add bitwise abstraction functions
| -rw-r--r-- | npc/functions/bitwise.txt | 23 | ||||
| -rw-r--r-- | npc/scripts.conf | 1 |
2 files changed, 24 insertions, 0 deletions
diff --git a/npc/functions/bitwise.txt b/npc/functions/bitwise.txt new file mode 100644 index 00000000..58ad8b5c --- /dev/null +++ b/npc/functions/bitwise.txt @@ -0,0 +1,23 @@ +/** + * gets a bitmasked value in a variable + * + * @arg 0 - the variable + * @arg 1 - mask + * @arg 2 - shift + */ +function script bitwise_get { + return (getarg(0) & getarg(1)) >> getarg(2, 0); +} + +/** + * sets a bitmasked value in a variable + * + * @arg 0 - the target variable + * @arg 1 - mask + * @arg 2 - shift + * @arg 3 - new value + * @return a reference to the variable + */ +function script bitwise_set { + return set(getarg(0), (getarg(0) & ~(getarg(1))) | (getarg(3, 0) << getarg(2, 0))); +} diff --git a/npc/scripts.conf b/npc/scripts.conf index d15eaef7..f0e48c98 100644 --- a/npc/scripts.conf +++ b/npc/scripts.conf @@ -13,6 +13,7 @@ "npc/functions/math.txt", "npc/functions/warp.txt", "npc/functions/gender.txt", +"npc/functions/bitwise.txt", // Misc functions "npc/functions/main.txt", |