From 2658ad6a5135d997faaaf137b2cac46207a791ac Mon Sep 17 00:00:00 2001
From: TotallyNotElite <1yourexperiment@protonmail.com>
Date: Sun, 17 Mar 2019 18:37:40 +0100
Subject: [PATCH] Add IMDLCache and IFileSystem interfaces

---
 include/core/interfaces.hpp |  7 +++++++
 include/core/sharedobj.hpp  |  2 ++
 src/core/interfaces.cpp     |  9 +++++++++
 src/core/sharedobj.cpp      | 13 +++++++++++++
 4 files changed, 31 insertions(+)

diff --git a/include/core/interfaces.hpp b/include/core/interfaces.hpp
index 330a73a9..d84435b3 100644
--- a/include/core/interfaces.hpp
+++ b/include/core/interfaces.hpp
@@ -52,6 +52,8 @@ class TFGCClientSystem;
 class CGameRules;
 class IEngineVGui;
 class IUniformRandomStream;
+class IFileSystem;
+class IMDLCache;
 
 extern TFGCClientSystem *g_TFGCClientSystem;
 extern CHud *g_CHUD;
@@ -87,5 +89,10 @@ extern IGameEventManager *g_IGameEventManager;
 extern CGameRules *g_pGameRules;
 extern IEngineVGui *g_IEngineVGui;
 extern IUniformRandomStream *g_pUniformStream;
+extern int *g_PredictionRandomSeed;
+#if ENABLE_NULL_GRAPHICS
+extern IFileSystem *g_IFileSystem;
+extern IMDLCache *g_IMDLCache;
+#endif
 
 void CreateInterfaces();
diff --git a/include/core/sharedobj.hpp b/include/core/sharedobj.hpp
index 74bdde86..46938f42 100644
--- a/include/core/sharedobj.hpp
+++ b/include/core/sharedobj.hpp
@@ -45,6 +45,8 @@ SharedObject &vstdlib();
 SharedObject &tier0();
 SharedObject &inputsystem();
 SharedObject &materialsystem();
+SharedObject &filesystem_stdio();
+SharedObject &datacache();
 #if ENABLE_VISUALS
 SharedObject &vguimatsurface();
 SharedObject &vgui2();
diff --git a/src/core/interfaces.cpp b/src/core/interfaces.cpp
index b9421783..05d2cefe 100644
--- a/src/core/interfaces.cpp
+++ b/src/core/interfaces.cpp
@@ -51,6 +51,11 @@ CHud *g_CHUD                            = nullptr;
 CGameRules *g_pGameRules                = nullptr;
 IEngineVGui *g_IEngineVGui              = nullptr;
 IUniformRandomStream *g_pUniformStream  = nullptr;
+int *g_PredictionRandomSeed             = nullptr;
+#if ENABLE_NULL_GRAPHICS
+IFileSystem *g_IFileSystem              = nullptr;
+IMDLCache *g_IMDLCache                  = nullptr;
+#endif
 
 template <typename T> T *BruteforceInterface(std::string name, sharedobj::SharedObject &object, int start = 0)
 {
@@ -162,6 +167,10 @@ void CreateInterfaces()
         g_pGameRules               = *reinterpret_cast<CGameRules **>(g_pGameRules_sig + 8);
     }
     g_IMaterialSystem = BruteforceInterface<IMaterialSystemFixed>("VMaterialSystem", sharedobj::materialsystem());
+#if ENABLE_NULL_GRAPHICS
+    g_IFileSystem = BruteforceInterface<IFileSystem>("VFileSystem", sharedobj::filesystem_stdio());
+    g_IMDLCache = BruteforceInterface<IMDLCache>("MDLCache", sharedobj::datacache());
+#endif
 
 #if ENABLE_VISUALS
     g_pUniformStream    = **(IUniformRandomStream ***) (gSignatures.GetVstdSignature("A3 ? ? ? ? C3 89 F6") + 0x1);
diff --git a/src/core/sharedobj.cpp b/src/core/sharedobj.cpp
index a764ef76..9413291e 100644
--- a/src/core/sharedobj.cpp
+++ b/src/core/sharedobj.cpp
@@ -96,6 +96,8 @@ void LoadAllSharedObjects()
         tier0().Load();
         inputsystem().Load();
         materialsystem().Load();
+        filesystem_stdio().Load();
+        datacache().Load();
 #if ENABLE_VISUALS
         vguimatsurface().Load();
         vgui2().Load();
@@ -149,6 +151,17 @@ SharedObject &materialsystem()
     static SharedObject obj("materialsystem.so", true);
     return obj;
 }
+
+SharedObject &filesystem_stdio()
+{
+    static SharedObject obj("filesystem_stdio.so", true);
+    return obj;
+}
+SharedObject &datacache()
+{
+    static SharedObject obj("datacache.so", true);
+    return obj;
+}
 #if ENABLE_VISUALS
 SharedObject &vguimatsurface()
 {