Add safety checks in core for renderer.

Amalgam/src/Core/Core.cpp

@@ -8,6 +8,31 @@
 #include "../Features/Visuals/Visuals.h"
 #include "../Hooks/Direct3DDevice9_Present.h"
 
+__forceinline bool CheckRenderIsCompatible()
+{
+	// Check for if we are running in DXVK mode.
+	if(GetModuleHandleA("dxvk_d3d9.dll"))
+	{
+		MessageBoxA(nullptr, "You are running with graphics options that Amalgam does not support.\n"
+			"Please remove -vulkan from your launch options and reinject.", "Error", MB_ICONERROR);
+		U::Core.bUnload = true;
+		return false;
+	}
+
+	// Check for if we are running in DirectX 8.
+	auto cvDXLevel = I::CVar->FindVar("mat_dxlevel");
+	auto iLevel = cvDXLevel->GetInt();
+	if(iLevel < 90)
+	{
+		std::string fmt = std::format("You are running with graphics options that Amalgam does not support.\nPlease remove -dxlevel {} from your launch options and reinject.\0", iLevel);
+		MessageBox(nullptr, fmt.c_str(), "Error", MB_ICONERROR);
+		U::Core.bUnload = true;
+		return false;
+	}
+
+	return true;
+}
+
 void CCore::Load()
 {
 	// Check the DirectX version
@@ -15,11 +40,16 @@ void CCore::Load()
 	U::Signatures.Initialize();
 	U::Interfaces.Initialize();
 
+	U::ConVars.Initialize();
+
+	if(!CheckRenderIsCompatible())
+		return;
+
 	MH_Initialize();
 	DirectX::Startup();
 	U::Hooks.Initialize();
 	DirectX::bIsReady.store(true);
-	U::ConVars.Initialize();
+	
 	F::Materials.LoadMaterials();
 	F::Commands.Initialize();
 
@@ -30,6 +60,8 @@ void CCore::Load()
 }
 
 void CCore::Unload()
+{
+	if(!bUnload)
 	{
 		G::Unload = true;
 		DirectX::bIsReady.store(false);
@@ -55,7 +87,7 @@ void CCore::Unload()
 			cl_wpn_sway_scale->SetValue(0.f);
 
 		Sleep(250);
-
+	}
 	SDK::Output("Amalgam", "Unloaded", {175, 150, 255, 255});
 }