Function fade_hook_update

src/SB/Game/zEntPlayerBungeeState.cpp:788–822

            }
        }
        static void fade_hook_update(float dt)
        {
            if ((shared.flags & 0x60) == 0)
            {
                return;
            }

            xModelInstance* hook = get_hook_model();
            if (hook == NULL)
            {
                return;
            }

            float vel = (1.0f - fixed.hook_fade_alpha) / fixed.hook_fade_time;
            if (shared.flags & 0x40)
            {
                hook->Alpha = -(vel * dt - hook->Alpha);
                if (hook->Alpha <= fixed.hook_fade_alpha)
                {
                    hook->Alpha = fixed.hook_fade_alpha;
                    shared.flags &= ~0x40;
                }
            }
            else
            {
                hook->Alpha = vel * dt + hook->Alpha;
                if (hook->Alpha >= 1.0f)
                {
                    hook->Alpha = 1.0f;
                    shared.flags &= ~0x20;
                    hook->Flags &= 0xbfff;
                    hook->PipeFlags &= ~0x30;
                }
            }
        }

        void start()
        {