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#include "pch.h"
#include "convar.h"
#include "hookutils.h"
#include "gameutils.h"
#include "sourceinterface.h"
#include <set>
// should this be in modmanager?
std::unordered_map<std::string, ConVar*> g_CustomConvars; // this is used in modloading code to determine whether we've registered a mod convar already
SourceInterface<ICvar>* g_pCvar;
typedef void(*ConVarConstructorType)(ConVar* newVar, const char* name, const char* defaultValue, int flags, const char* helpString);
ConVarConstructorType conVarConstructor;
typedef bool(*CvarIsFlagSetType)(ConVar* self, int flags);
CvarIsFlagSetType CvarIsFlagSet;
ConVar* RegisterConVar(const char* name, const char* defaultValue, int flags, const char* helpString)
{
spdlog::info("Registering Convar {}", name);
// no need to free this ever really, it should exist as long as game does
ConVar* newVar = new ConVar;
conVarConstructor(newVar, name, defaultValue, flags, helpString);
g_CustomConvars.emplace(name, newVar);
return newVar;
}
ConVar* FindConVar(const char* name)
{
ICvar* icvar = *g_pCvar; // hellish call because i couldn't get icvar vtable stuff in convar.h to get the right offset for whatever reason
typedef ConVar* (*FindConVarType)(ICvar* self, const char* varName);
FindConVarType FindConVarInternal = *(FindConVarType*)((*(char**)icvar) + 128);
return FindConVarInternal(icvar, name);
}
bool CvarIsFlagSetHook(ConVar* self, int flags)
{
// unrestrict FCVAR_DEVELOPMENTONLY and FCVAR_HIDDEN
if (self && (flags == FCVAR_DEVELOPMENTONLY || flags == FCVAR_HIDDEN))
return false;
return CvarIsFlagSet(self, flags);
}
void InitialiseConVars(HMODULE baseAddress)
{
conVarConstructor = (ConVarConstructorType)((char*)baseAddress + 0x416200);
g_pCvar = new SourceInterface<ICvar>("vstdlib.dll", "VEngineCvar007");
HookEnabler hook;
ENABLER_CREATEHOOK(hook, (char*)baseAddress + 0x417FA0, &CvarIsFlagSetHook, reinterpret_cast<LPVOID*>(&CvarIsFlagSet));
}
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