From 50dde3f3e7c14cb515ffd20f0c9f909e3ee664bb Mon Sep 17 00:00:00 2001
From: anzz1 <anzz1@live.com>
Date: Fri, 8 Dec 2023 19:02:55 +0200
Subject: [PATCH] bf2142 patches

---
 dllmain.c             |  3 +++
 include/game_bf2142.h | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 include/game_bf2142.h

diff --git a/dllmain.c b/dllmain.c
index 470ba9c..cd48181 100644
--- a/dllmain.c
+++ b/dllmain.c
@@ -47,6 +47,7 @@
   #include "include/game_mua.h"
   #include "include/game_sacrifice.h"
   #include "include/game_nolf.h"
+  #include "include/game_bf2142.h"
 #endif // !_WIN64
 
 #include "include/picoupnp.h"
@@ -281,6 +282,8 @@ int __stdcall DllMain(HINSTANCE hInstDLL, DWORD dwReason, LPVOID lpReserved) {
           patch_sacrifice();
         } else if (!__stricmp(p, "nolfserv.exe")) { // No One Lives Forever (Server)
           patch_nolf_srv();
+        } else if (!__stricmp(p, "bf2142.exe")) { // Battlefield 2142
+          patch_bf2142();
         } else if (!__stricmp(p, "serioussam.exe") || !__stricmp(p, "sam2.exe") || !__stricmp(p, "dedicatedserver.exe")) { // Serious Sam 1 & 2
           force_bind_ip = 0;
           patch_sam();
diff --git a/include/game_bf2142.h b/include/game_bf2142.h
new file mode 100644
index 0000000..fe123c7
--- /dev/null
+++ b/include/game_bf2142.h
@@ -0,0 +1,41 @@
+// game_bf2142.h
+
+#ifndef __GAME_BF2142_H
+#define __GAME_BF2142_H
+
+#include "include/global.h"
+
+__forceinline static void bf2142_disable_cert_validation(void) {
+  WORD search[] = {0x81,_ANY,0xEE,0x0F,0x00,0x00,0x83,_ANY,0x15,0x8B};
+  BYTE patch[] = {0xB8,0x15,0x00,0x00,0x00};
+
+  BYTE* ptr = find_pattern_mem_wildcard(0, search, search + 9, TRUE);
+  if (ptr)
+    write_mem(ptr+6, patch, 5);
+}
+
+__forceinline static void bf2142_patch_error_neg_206(void) {
+  BYTE search[] = {0xFF,0x50,0x14,0x8A,0x46,0x18,0x84,0xC0,0x74,0x29};
+  BYTE patch[] = {0xEB,0x2E,0x90};
+
+  BYTE* ptr = find_pattern_mem(0, search, search + 9, TRUE);
+  if (ptr)
+    write_mem(ptr+3, patch, 3);
+}
+
+__forceinline static void bf2142_fix_delete_soldier_hang(void) {
+  BYTE search[] = {0xFF,0x15,0xCC,0xD0,0x90,0x00,0x85,0xC0,0x0F,0x85,0x9D,0xFE,0xFF,0xFF};
+  BYTE patch[] = {0xEB,0x2E,0x90};
+
+  BYTE* ptr = find_pattern_mem(0, search, search + 13, TRUE);
+  if (ptr)
+    nop_mem(ptr+8, 6);
+}
+
+__noinline static void patch_bf2142() {
+  bf2142_disable_cert_validation();
+  bf2142_patch_error_neg_206();
+  bf2142_fix_delete_soldier_hang();
+}
+
+#endif // __GAME_BF2142_H