diff options
Diffstat (limited to 'src/sst.c')
| -rw-r--r-- | src/sst.c | 129 |
1 files changed, 86 insertions, 43 deletions
@@ -160,15 +160,6 @@ static const char *VCALLCONV GetStringForSymbol_hook(void *this, int s) { return ret; } -// by hooking stuffcmds, we get a callback after the last of the startup -// commands have run (the command line ones) -static struct con_cmd *cmd_stuffcmds = 0; -static con_cmdcb orig_stuffcmds_cb; -static void hook_stuffcmds_cb(const struct con_cmdargs *args) { - orig_stuffcmds_cb(args); - fixes_tryagainlater(); -} - // vstdlib symbol, only currently used in l4d2 but exists everywhere so oh well IMPORT void *KeyValuesSystem(void); @@ -207,6 +198,75 @@ static bool already_loaded = false, skip_unload = false; #define RGBA(r, g, b, a) (&(struct con_colour){(r), (g), (b), (a)}) +static void do_featureinit(void) { + has_autojump = autojump_init(); + has_demorec = demorec_init(); + // not enabling demorec_custom yet - kind of incomplete and currently unused + //if (has_demorec) demorec_custom_init(); + bool has_ent = ent_init(); + has_fov = fov_init(has_ent); + if (has_ent) l4dwarp_init(); + has_nosleep = nosleep_init(); +#ifdef _WIN32 + has_rinput = rinput_init(); +#endif + fixes_apply(); + + con_colourmsg(RGBA(64, 255, 64, 255), + LONGNAME " v" VERSION " successfully loaded"); + con_colourmsg(RGBA(255, 255, 255, 255), " for game "); + con_colourmsg(RGBA(0, 255, 255, 255), "%s\n", gameinfo_title); +} + +static void *vgui; +typedef void (*VCALLCONV VGuiConnect_func)(void); +static VGuiConnect_func orig_VGuiConnect; +static void VCALLCONV hook_VGuiConnect(void) { + orig_VGuiConnect(); + do_featureinit(); + unhook_vtable(*(void ***)vgui, vtidx_VGuiConnect, (void *)orig_VGuiConnect); +} + +// --- Magical deferred load order hack nonsense! --- +// The engine loads VDF plugins basically right after server.dll, but long +// before most other stuff, which makes hooking certain other stuff a pain. We +// still want to be able to load via VDF as it's the only reasonable way to get +// in before config.cfg, which is needed for any kind of configuration to work +// correctly. +// +// So here, we hook CEngineVGui::Connect() which is pretty much the last thing +// that gets called on init, and defer feature init till afterwards. That allows +// us to touch pretty much any engine stuff without worrying about load order +// nonsense. +// +// In do_load() below, we check to see whether we're loading early by checking +// whether gameui.dll is loaded yet; this is one of several possible arbitrary +// checks. If it's loaded already, we assume we're getting loaded late via the +// console and just init everything immediately. +// +// Route credit to Bill for helping figure a lot of this out - mike +static void deferinit(void) { + vgui = factory_engine("VEngineVGui001", 0); + if (!vgui) { + con_warn("sst: warning: couldn't get VEngineVGui for deferred " + "feature setup\n"); + goto e; + } + if (!os_mprot(*(void ***)vgui + vtidx_VGuiConnect, sizeof(void *), + PAGE_READWRITE)) { + con_warn("sst: warning: couldn't unprotect CEngineVGui vtable for " + "deferred feature setup\n"); + goto e; + } + orig_VGuiConnect = (VGuiConnect_func)hook_vtable(*(void ***)vgui, + vtidx_VGuiConnect, (void *)&hook_VGuiConnect); + return; + +e: con_warn("!!! SOME FEATURES MAY BE BROKEN !!!\n"); + // I think this is the lesser of two evils! Unlikely to happen anyway. + do_featureinit(); +} + static bool do_load(ifacefactory enginef, ifacefactory serverf) { factory_engine = enginef; factory_server = serverf; if (!engineapi_init(ifacever)) return false; @@ -226,14 +286,12 @@ static bool do_load(ifacefactory enginef, ifacefactory serverf) { *p = (void *)&nop_p_v; // OnEdictFreed #ifdef _WIN32 - //serverlib = GetModuleHandleW(gameinfo_serverlib); void *clientlib = GetModuleHandleW(gameinfo_clientlib); #else - // Linux Source load order seems to be different to the point where if we - // +plugin_load or use a vdf then RTLD_NOLOAD won't actually find these, so - // we have to just dlopen them normally - and then remember to decrement the - // refcount again later in do_unload() so nothing gets leaked - //serverlib = dlopen(gameinfo_serverlib, RTLD_NOW); + // Apparently on Linux, the client library isn't actually loaded yet here, + // so RTLD_NOLOAD won't actually find it. We have to just dlopen it + // normally - and then remember to decrement the refcount again later in + // do_unload() so nothing gets leaked! clientlib = dlopen(gameinfo_clientlib, RTLD_NOW); #endif if (!clientlib) { @@ -247,6 +305,7 @@ static bool do_load(ifacefactory enginef, ifacefactory serverf) { void *inputsystemlib = GetModuleHandleW(L"inputsystem.dll"); #else // TODO(linux): assuming the above doesn't apply to this; check if it does! + // ... actually, there's a good chance this assumption is now wrong! void *inputsystemlib = dlopen("bin/libinputsystem.so", RTLD_NOW | RLTD_NOLOAD); if (inputsystemlib) dlclose(inputsystemlib); // blegh @@ -259,19 +318,6 @@ static bool do_load(ifacefactory enginef, ifacefactory serverf) { con_warn("sst: warning: couldn't get input system's CreateInterface\n"); } - has_autojump = autojump_init(); - has_demorec = demorec_init(); - // not enabling demorec_custom yet - kind of incomplete and currently unused - //if (has_demorec) demorec_custom_init(); - bool has_ent = ent_init(); - has_fov = fov_init(has_ent); - if (has_ent) l4dwarp_init(); - has_nosleep = nosleep_init(); -#ifdef _WIN32 - has_rinput = rinput_init(); -#endif - fixes_apply(); - // NOTE: this is technically redundant for early versions but I CBA writing // a version check; it's easier to just do this unilaterally. if (GAMETYPE_MATCHES(L4D2x)) { @@ -280,22 +326,21 @@ static bool do_load(ifacefactory enginef, ifacefactory serverf) { if (!os_mprot(kvsvt + 4, sizeof(void *), PAGE_READWRITE)) { con_warn("sst: warning: couldn't unprotect KeyValuesSystem " "vtable; won't be able to prevent nag message\n"); - goto e; } - orig_GetStringForSymbol = (GetStringForSymbol_func)hook_vtable(kvsvt, 4, - (void *)GetStringForSymbol_hook); - } - - cmd_stuffcmds = con_findcmd("stuffcmds"); - if (cmd_stuffcmds) { - orig_stuffcmds_cb = cmd_stuffcmds->cb; - cmd_stuffcmds->cb = hook_stuffcmds_cb; + else { + orig_GetStringForSymbol = (GetStringForSymbol_func)hook_vtable( + kvsvt, 4, (void *)GetStringForSymbol_hook); + } } -e: con_colourmsg(RGBA(64, 255, 64, 255), - LONGNAME " v" VERSION " successfully loaded"); - con_colourmsg(RGBA(255, 255, 255, 255), " for game "); - con_colourmsg(RGBA(0, 255, 255, 255), "%s\n", gameinfo_title); +#ifdef _WIN32 + bool isvdf = !GetModuleHandleW(L"gameui.dll"); +#else + void *gameuilib = dlopen("bin/libgameui.so", RTLD_NOW | RLTD_NOLOAD); + bool isvdf = !gameuilib; + if (gameuilib) dlclose(gameuilib); +#endif + if (isvdf) deferinit(); else do_featureinit(); return true; } @@ -345,7 +390,6 @@ static void do_unload(void) { #endif #ifdef __linux__ - //if (serverlib) dlclose(serverlib); if (clientlib) dlclose(clientlib); #endif con_disconnect(); @@ -353,7 +397,6 @@ static void do_unload(void) { if (orig_GetStringForSymbol) { unhook_vtable(kvsvt, 4, (void *)orig_GetStringForSymbol); } - if (cmd_stuffcmds) cmd_stuffcmds->cb = orig_stuffcmds_cb; } static bool VCALLCONV Load(void *this, ifacefactory enginef, |