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hack.cpp: very experimental RAM reduce for null graphics

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Don't load unnecessary models, textures and particles
Reduces around 100MB per instance + significant load times reduction
This commit is contained in:
Unnamed 2019-03-17 13:47:02 +00:00 committed by TotallyNotElite
parent 2658ad6a51
commit 6d02ae2f97
1 changed files with 49 additions and 19 deletions
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68
src/hack.cpp
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@ -143,6 +143,54 @@ void critical_error_handler(int signum)
::raise(SIGABRT);
}
#if ENABLE_NULL_GRAPHICS
static bool blacklist_file(const char *filename)
{
const static char *blacklist[] = { ".vtx", ".vtf", ".pcf", ".mdl" };
if (!filename || !std::strcmp(filename, "models/error.mdl") ||
!std::strcmp(filename, "models/vgui/competitive_badge.mdl") ||
!std::strcmp(filename, "models/vgui/12v12_badge.mdl") ||
!std::strncmp(filename, "models/player/", 14))
return false;
std::size_t len = std::strlen(filename);
if (len > 3)
{
auto ext_p = filename + len - 4;
for (int i = 0; i < sizeof(blacklist) / sizeof(blacklist[0]); ++i)
if (!std::strcmp(ext_p, blacklist[i]))
return true;
}
return false;
}
static bool (*FSorig_ReadFile)(void*, const char *, const char *, void *, int, int, void *);
static bool FSHook_ReadFile(void *this_, const char *pFileName, const char *pPath,
void *buf, int nMaxBytes, int nStartingByte, void *pfnAlloc)
{
//fprintf(stderr, "ReadFile: %s\n", pFileName);
if (blacklist_file(pFileName))
return false;
return FSorig_ReadFile(this_, pFileName, pPath, buf, nMaxBytes, nStartingByte, pfnAlloc);
}
#endif
static void ReduceRamUsage()
{
#if ENABLE_NULL_GRAPHICS
static hooks::VMTHook /*fs_hook,*/ fs_hook2;
fs_hook2.Set(reinterpret_cast<void *>(g_IFileSystem), 4);
fs_hook2.HookMethod(FSHook_ReadFile, 14, &FSorig_ReadFile);
fs_hook2.Apply();
/* ERROR: Must be called from texture thread */
//g_IMaterialSystem->ReloadTextures();
g_IBaseClient->InvalidateMdlCache();
#endif
}
static void InitRandom()
{
int rand_seed;
@ -198,6 +246,7 @@ free(logname);*/
InitRandom();
sharedobj::LoadAllSharedObjects();
CreateInterfaces();
ReduceRamUsage();
CDumper dumper;
dumper.SaveDump();
logging::Info("Is TF2? %d", IsTF2());
@ -287,25 +336,6 @@ free(logname);*/
hooks::steamfriends.HookMethod(HOOK_ARGS(GetFriendPersonaName));
hooks::steamfriends.Apply();
#if ENABLE_NULL_GRAPHICS
g_IMaterialSystem->SetInStubMode(true);
IF_GAME(IsTF2())
{
logging::Info("Graphics Nullified");
logging::Info("The game will crash");
// TODO offsets::()?
hooks::materialsystem.Set((void *) g_IMaterialSystem);
uintptr_t base = *(uintptr_t *) (g_IMaterialSystem);
hooks::materialsystem.HookMethod((void *) ReloadTextures_null_hook, 70);
hooks::materialsystem.HookMethod((void *) ReloadMaterials_null_hook, 71);
hooks::materialsystem.HookMethod((void *) FindMaterial_null_hook, 73);
hooks::materialsystem.HookMethod((void *) FindTexture_null_hook, 81);
hooks::materialsystem.HookMethod((void *) ReloadFilesInList_null_hook, 121);
hooks::materialsystem.HookMethod((void *) FindMaterialEx_null_hook, 123);
hooks::materialsystem.Apply();
// hooks::materialsystem.HookMethod();
}
#endif
// FIXME [MP]
logging::Info("Hooked!");
velocity::Init();