From 966b759efcc92939cae114f62e2c3ee0dee7b1ff Mon Sep 17 00:00:00 2001
From: RD42 <42702181+dashr9230@users.noreply.github.com>
Date: Thu, 18 Jul 2024 22:09:30 +0800
Subject: [PATCH] [saco] Implement/match `IsHexChar(...)`

---
 saco/game/util.cpp | 10 ++++++++++
 saco/game/util.h   |  3 +++
 2 files changed, 13 insertions(+)

diff --git a/saco/game/util.cpp b/saco/game/util.cpp
index 88db767..33f08b1 100644
--- a/saco/game/util.cpp
+++ b/saco/game/util.cpp
@@ -1849,6 +1849,16 @@ BOOL IsFileOrDirectoryExists(char * szPath)
 //----------------------------------------------------
 
 
+BOOL IsHexChar(char c)
+{
+	return c >= '0' && c <= '9' || c >= 'A' && c <= 'F' || c >= 'a' && c <= 'f';
+}
+
+BOOL IsHexChar(wchar_t c)
+{
+	return c >= '0' && c <= '9' || c >= 'A' && c <= 'F' || c >= 'a' && c <= 'f';
+}
+
 DWORD unnamed_100B6100(char *szString, int nMaxLen)
 {
 	char tmp_buf[2049];
diff --git a/saco/game/util.h b/saco/game/util.h
index fef065d..bfd37b9 100644
--- a/saco/game/util.h
+++ b/saco/game/util.h
@@ -64,3 +64,6 @@ int GetInvalidModelInfoCount();
 
 bool HasCollisionLoaded(VECTOR *vec);
 BOOL __stdcall IsATrainPart(ENTITY_TYPE *pEntity);
+
+BOOL IsHexChar(char c);
+BOOL IsHexChar(wchar_t c);