Hooks
static bool BeforeCvLuaCity_lGetExtraProductionDifference(lua_State* L, int& result);static void AfterCvLuaCity_lGetExtraProductionDifference(lua_State* L, int& result);static int ReplaceCvLuaCity_lGetExtraProductionDifference(int (*original)(lua_State*), lua_State* L);CivRegisterBefore<CivHooks::CvLuaCity_lGetExtraProductionDifference>(host, &BeforeCvLuaCity_lGetExtraProductionDifference);CivRegisterAfter<CivHooks::CvLuaCity_lGetExtraProductionDifference>(host, &AfterCvLuaCity_lGetExtraProductionDifference);CivRegisterReplace<CivHooks::CvLuaCity_lGetExtraProductionDifference>(host, &ReplaceCvLuaCity_lGetExtraProductionDifference);