NorthstarDedicatedTest/sourceinterface.h


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#pragma once
#include <string>
#include "tier0.h"

// literally just copied from ttf2sdk definition
typedef void* (*CreateInterfaceFn)(const char* pName, int* pReturnCode);

template<typename T> class SourceInterface
{
private:
    T* m_interface;

public:
    SourceInterface(const std::string& moduleName, const std::string& interfaceName)
    {
        HMODULE handle = GetModuleHandleA(moduleName.c_str());
        CreateInterfaceFn createInterface = (CreateInterfaceFn)GetProcAddress(handle, "CreateInterface");
        m_interface = (T*)createInterface(interfaceName.c_str(), NULL);
        if (m_interface == nullptr)
            Error("Failed to call CreateInterface for %s in %s", interfaceName, moduleName);
    }

    T* operator->() const
    {
        return m_interface;
    }

    operator T* () const
    {
        return m_interface;
    }
};