add 'Blood II' support

README.md

@@ -42,6 +42,7 @@ Please note that the GameSpy protocol is old and does not meet modern password e
 | --- | :-: | :-: | :-: | --- |
 | Act of War: High Treason | <picture><img src="./.github/img/disc.png" title="Retail" alt="(Retail)" /></picture>&nbsp;<a href="https://www.gog.com/en/game/act_of_war_gold_edition"><img src="./.github/img/gog.png" title="GOG" alt="(GOG)" /></a>&nbsp;<a href="https://store.steampowered.com/app/9760/Act_of_War_High_Treason/"><img src="./.github/img/steam.png" title="Steam" alt="(Steam)" /></a> | `version.dll` | n/a | |
 | Battlefield Vietnam | <picture><img src="./.github/img/disc.png" title="Retail" alt="(Retail)" /></picture> | `dinput8.dll` | n/a | |
+| Blood II | <picture><img src="./.github/img/disc.png" title="Retail" alt="(Retail)" /></picture>&nbsp;<a href="https://www.gog.com/en/game/blood_2_the_chosen_expansion"><img src="./.github/img/gog.png" title="GOG" alt="(GOG)" /></a>&nbsp;<a href="https://store.steampowered.com/app/299050/Blood_II_The_Chosen__Expansion/"><img src="./.github/img/steam.png" title="Steam" alt="(Steam)" /></a> | `winmm.dll` | n/a | |
 | Civilization III | <picture><img src="./.github/img/disc.png" title="Retail" alt="(Retail)" /></picture>&nbsp;<a href="https://www.gog.com/en/game/sid_meiers_civilization_iii_complete"><img src="./.github/img/gog.png" title="GOG" alt="(GOG)" /></a> | `version.dll` | n/a | |
 | Civilization IV | <picture><img src="./.github/img/disc.png" title="Retail" alt="(Retail)" /></picture>&nbsp;<a href="https://www.gog.com/en/game/sid_meiers_civilization_iv_the_complete_edition"><img src="./.github/img/gog.png" title="GOG" alt="(GOG)" /></a> | `dsound.dll` | n/a | |
 | Colin McRae Rally 2005 | <picture><img src="./.github/img/disc.png" title="Retail" alt="(Retail)" /></picture>&nbsp;<a href="https://www.gog.com/en/game/colin_mcrae_rally_2005"><img src="./.github/img/gog.png" title="GOG" alt="(GOG)" /></a> | `dinput8.dll` | n/a | |

dllmain.c

@@ -37,6 +37,7 @@
  #include "include/game_hd2.h"
  #include "include/game_stbc.h"
  #include "include/game_bfme2.h"
+ #include "include/game_blood2.h"
 #endif // !_WIN64
 
 #include "include/picoupnp.h"
@@ -262,6 +263,8 @@ int __stdcall DllMain(HINSTANCE hInstDLL, DWORD dwReason, LPVOID lpReserved) {
  patch_hd2();
  } else if (!__stricmp(p, "stbc.exe")) { // Star Trek - Bridge Commander
  patch_stbc();
+ } else if (!__stricmp(p, "blood2.exe") || !__stricmp(p, "blood2sv.exe") || !__stricmp(p, "b2nmsrv.exe")) { // Blood II - The Chosen
+ patch_blood2();
  } else if (!__stricmp(p, "game.dat") && p2 && !__strcmp(p2, "RTS.exe")) { // Battle for Middle-earth II
  patch_bfme2();
  } else if (!__stricmp(p, "serioussam.exe") || !__stricmp(p, "sam2.exe") || !__stricmp(p, "dedicatedserver.exe")) { // Serious Sam 1 & 2

include/game_blood2.h

@@ -0,0 +1,49 @@
+// game_blood2.h
+
+#ifndef __GAME_BLOOD2_H
+#define __GAME_BLOOD2_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 blood2_hook_mod(HMODULE mod) {
+ HOOK_FUNC(mod, gethostbyname, hk_gethostbyname, "ws2_32.dll", 52, TRUE);
+ HOOK_FUNC(mod, gethostbyname, hk_gethostbyname, "wsock32.dll", 52, TRUE);
+ HOOK_FUNC(mod, bind, hk_bind, "ws2_32.dll", 2, TRUE);
+ HOOK_FUNC(mod, bind, hk_bind, "wsock32.dll", 2, TRUE);
+}
+
+HMODULE __stdcall blood2_hk_LoadLibraryA(LPCSTR lpLibFileName) {
+ HMODULE mod = 0;
+ const char* name = __strrchr(lpLibFileName, '\\');
+ if (name)
+ name++;
+ else
+ name = lpLibFileName;
+
+ mod = oLoadLibraryA(lpLibFileName);
+ if (mod && (!__stricmp(name, "server.dll")))
+ blood2_hook_mod(mod);
+
+ return mod;
+}
+
+__forceinline static void blood2_hook_gs() {
+ HMODULE mod;
+
+ blood2_hook_mod(0);
+ HOOK_FUNC(0, LoadLibraryA, blood2_hk_LoadLibraryA, "kernel32.dll", 0, FALSE);
+
+ mod = GetModuleHandleA("server.dll");
+ if (mod)
+ blood2_hook_mod(mod);
+}
+
+__noinline static void patch_blood2() {
+ blood2_hook_gs();
+}
+
+#endif // __GAME_BLOOD2_H