#pragma once
// Our hooks into SceneWindow.dll's scene code, installed once, the first time an engine is made. Each replaces a
// pointer IMVU's code calls through (an entry of an exported vtable), after checking it holds the function expected,
// with ours, which calls IMVU's: nothing else is changed, and nothing is if a check fails (an unexpected
// SceneWindow.dll: the hooks' features are then off, and the client runs as it would without them).
//
// - SceneViewer::step (the IFrameListener vtable): the client's tick, 30 times a second (SceneWindow.dll's runApp
//   calls stepFrame, which steps each scene viewer). Recorded, for the frame pacer and for drawing between ticks.

#include <cstdint>

namespace t5de::scene_hooks {

void install();

// Whether the hooks are installed.
[[nodiscard]] bool installed();

// When a scene viewer last stepped (QueryPerformanceCounter), or 0 if none has.
[[nodiscard]] std::int64_t lastStep();

} // namespace t5de::scene_hooks