nodes/layout.py

Part of GDQuest Open RPG.

 1"""Viewport lookup shared by every screen-space overlay in the port."""
 2
 3from __future__ import annotations
 4
 5from .settings import HEIGHT, WIDTH
 6
 7
 8def viewport_size(node) -> tuple[float, float]:
 9    """Live viewport size in pixels (design resolution when off-tree).
10
11    The dialogue panel, battle HUD, fade overlay and controls strip all lay
12    themselves out from this rather than the fixed ``WIDTH``/``HEIGHT``
13    constants, so the port stays correct when the desktop window or the
14    browser canvas is resized.
15    """
16    tree = node.tree
17    if tree is None:
18        return float(WIDTH), float(HEIGHT)
19    w, h = tree.screen_size
20    return float(w), float(h)