#pragma once

namespace mods::hud {

// Installs the Direct3D device hooks the HUD layout needs (once per device).
void OnDevice(void* device);

// Horizontal offset of the moved window whose render or event method runs on
// the current thread (0 outside): polled mouse positions are reduced by it.
int CursorOffsetX();

// Horizontal offset the current thread's UI drawing is shifted by (the
// outermost hooked window's; 0 outside).
int DrawOffsetX();

// The mouse cursor object as the current thread should see it: inside a moved
// window, a private copy with x shifted by CursorOffsetX().
void* CursorFor(void* cursor);

// Tooltips that are dialogs of their own (e.g. quest dialogs: they became
// visible while no moved window was under the cursor) and are visible now.
int VisibleDialogTooltips(void** out, int max);

// For mods that hook a centred window themselves: run body(context) as the
// HUD layer runs the window's render method (drawing shifted, the cursor seen
// shifted) or event handler (mouse position shifted by the window's offset).
int RenderCentred(void* window, int (*body)(void* context), void* context);
int HandleCentred(void* event, int (*body)(void* context), void* context);

} // namespace mods::hud