add 'Star Trek: Legacy' support

Author: anzz1

README.md

@@ -95,6 +95,7 @@ Please note that the GameSpy protocol is old and does not meet modern password e
 | Sniper Elite | <picture><img src="./.github/img/disc.png" title="Retail" alt="(Retail)" /></picture>&nbsp;<a href="https://www.gog.com/en/game/sniper_elite_berlin_1945"><img src="./.github/img/gog.png" title="GOG" alt="(GOG)" /></a>&nbsp;<a href="https://store.steampowered.com/app/3700/Sniper_Elite/"><img src="./.github/img/steam.png" title="Steam" alt="(Steam)" /></a> | `dinput8.dll` | n/a |   |
 | Startopia | <picture><img src="./.github/img/disc.png" title="Retail" alt="(Retail)" /></picture>&nbsp;<a href="https://www.gog.com/game/startopia"><img src="./.github/img/gog.png" title="GOG" alt="(GOG)" /></a>&nbsp;<a href="https://store.steampowered.com/app/243040/Startopia/"><img src="./.github/img/steam.png" title="Steam" alt="(Steam)" /></a> | `dsound.dll` | n/a |   |
 | Star Trek: Bridge Commander | <picture><img src="./.github/img/disc.png" title="Retail" alt="(Retail)" /></picture>&nbsp;<a href="https://www.gog.com/en/game/star_trek_bridge_commander"><img src="./.github/img/gog.png" title="GOG" alt="(GOG)" /></a> | `dinput.dll` | n/a |   |
+| Star Trek: Legacy | <picture><img src="./.github/img/disc.png" title="Retail" alt="(Retail)" /></picture> | `dinput8.dll` | n/a | <sub><sup>[1]</sup> Latest [v1.2 update](https://taco.cab/files/games/stlegacy/STLegacyv1.2.zip) is recommended</sub> |
 | Star Wars: Republic Commando | <picture><img src="./.github/img/disc.png" title="Retail" alt="(Retail)" /></picture>&nbsp;<a href="https://www.gog.com/en/game/star_wars_republic_commando"><img src="./.github/img/gog.png" title="GOG" alt="(GOG)" /></a>&nbsp;<a href="https://store.steampowered.com/app/6000/STAR_WARS_Republic_Commando/"><img src="./.github/img/steam.png" title="Steam" alt="(Steam)" /></a> | `version.dll` | n/a |   |
 | Terminator 3: War of the Machines | <picture><img src="./.github/img/disc.png" title="Retail" alt="(Retail)" /></picture> | `dinput8.dll` | n/a | <sub><sup>[1]</sup> Requires latest [v1.16 update](https://taco.cab/files/games/t3wotm/t3wotm_us_retail-116.zip)<br><sup>[2]</sup> Requires [No-CD patch](https://taco.cab/files/games/t3wotm/T3.WOTM.NoCD.zip) to remove SecuROM (V5) protection</sub> |
 | TimeShift | <picture><img src="./.github/img/disc.png" title="Retail" alt="(Retail)" /></picture>&nbsp;<a href="https://www.gog.com/game/timeshift"><img src="./.github/img/gog.png" title="GOG" alt="(GOG)" /></a>&nbsp;<a href="https://store.steampowered.com/app/10130/TimeShift/"><img src="./.github/img/steam.png" title="Steam" alt="(Steam)" /></a> | `dinput8.dll` | n/a | <sub><sup>[1]</sup> Requires latest [v1.02 update](https://taco.cab/files/games/timeshift/timeshiftpatch12.zip)&nbsp;&nbsp;<sup>**RETAIL&nbsp;&nbsp;STEAM**</sup></sub> |

dllmain.c

@@ -48,6 +48,7 @@
   #include "include/game_sacrifice.h"
   #include "include/game_nolf.h"
   #include "include/game_bf2142.h"
+  #include "include/game_stlegacy.h"
 #endif // !_WIN64
 
 #include "include/picoupnp.h"
@@ -284,6 +285,8 @@ int __stdcall DllMain(HINSTANCE hInstDLL, DWORD dwReason, LPVOID lpReserved) {
           patch_nolf_srv();
         } else if (!__stricmp(p, "bf2142.exe")) { // Battlefield 2142
           patch_bf2142();
+        } else if (!__stricmp(p, "legacy.exe")) { // Star Trek: Legacy
+          patch_stlegacy();
         } else if (!__stricmp(p, "serioussam.exe") || !__stricmp(p, "sam2.exe") || !__stricmp(p, "dedicatedserver.exe")) { // Serious Sam 1 & 2
           force_bind_ip = 0;
           patch_sam();

include/game_stlegacy.h

@@ -0,0 +1,47 @@
+// game_stlegacy.h
+
+#ifndef __GAME_STLEGACY_H
+#define __GAME_STLEGACY_H
+
+#include "include/global.h"
+#include "iathook/iathook.h"
+
+int __stdcall hk_bind(SOCKET s, struct sockaddr* addr, int namelen);
+LPHOSTENT __stdcall hk_gethostbyname(const char* name);
+
+__forceinline static void stlegacy_hook_gs(HMODULE mod) {
+  HOOK_FUNC(0, gethostbyname, hk_gethostbyname, "ws2_32.dll", 52, TRUE);
+  HOOK_FUNC(mod, gethostbyname, hk_gethostbyname, "ws2_32.dll", 52, TRUE);
+  HOOK_FUNC(mod, bind, hk_bind, "ws2_32.dll", 2, TRUE);
+}
+
+// net voice init crashes game - disable it
+__forceinline static void stlegacy_disable_net_voice(HMODULE mod) {
+  BYTE search1[] = {0x83,0xC4,0x04,0x8B,0x46,0x08,0x05,0xD4,0x00,0x00,0x00,0x50};
+  BYTE patch1[] = {0xE9,0xBE,0x00,0x00,0x00,0x90,0x90,0x90};
+  WORD search2[] = {0x64,0x89,0x25,0x00,0x00,0x00,0x00,0x51,0xA1,_ANY,_ANY,_ANY,_ANY,0x85,0xC0,0x75,0x47,0x56,0x6A,0x44};
+  BYTE patch2[] = {0xEB,0x3F};
+  WORD search3[] = {0x83,0xC4,0x10,0xC3,0x33,0xC0,0xA3,_ANY,_ANY,_ANY,_ANY,0x5E,0x8B,0x4C,0x24,0x04};
+
+  BYTE* ptr = find_pattern_mem((ULONG_PTR)mod, search1, search1 + 11, TRUE);
+  if (ptr)
+    write_mem(ptr+3, patch1, 8);
+
+  ptr = find_pattern_mem_wildcard((ULONG_PTR)mod, search2, search2 + 19, TRUE);
+  if (ptr) {
+    write_mem(ptr+15, patch2, 2);
+    ptr = find_pattern_mem_wildcard((ULONG_PTR)mod, search3, search3 + 15, TRUE);
+    if (ptr)
+      nop_mem(ptr+11, 1);
+  }
+}
+
+__noinline static void patch_stlegacy() {
+  HMODULE mod = GetModuleHandleA("NetworkManager.dll");
+  if (mod) {
+    stlegacy_hook_gs(mod);
+    stlegacy_disable_net_voice(mod);
+  }
+}
+
+#endif // __GAME_STLEGACY_H