minetest/src/clientdynamicinfo.cpp

45 lines
1.4 KiB
C++

// Luanti
// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2022-3 rubenwardy <rw@rubenwardy.com>
#include "clientdynamicinfo.h"
#if CHECK_CLIENT_BUILD()
#include "settings.h"
#include "client/renderingengine.h"
#include "gui/guiFormSpecMenu.h"
#include "gui/touchcontrols.h"
ClientDynamicInfo ClientDynamicInfo::getCurrent()
{
v2u32 screen_size = RenderingEngine::getWindowSize();
f32 density = RenderingEngine::getDisplayDensity();
f32 gui_scaling = g_settings->getFloat("gui_scaling", 0.5f, 20.0f);
f32 hud_scaling = g_settings->getFloat("hud_scaling", 0.5f, 20.0f);
f32 real_gui_scaling = gui_scaling * density;
f32 real_hud_scaling = hud_scaling * density;
bool touch_controls = g_touchcontrols;
return {
screen_size, real_gui_scaling, real_hud_scaling,
ClientDynamicInfo::calculateMaxFSSize(screen_size, density, gui_scaling),
touch_controls
};
}
v2f32 ClientDynamicInfo::calculateMaxFSSize(v2u32 render_target_size, f32 density, f32 gui_scaling)
{
// must stay in sync with GUIFormSpecMenu::calculateImgsize
const double screen_dpi = density * 96;
// assume padding[0,0] since max_formspec_size is used for fullscreen formspecs
double prefer_imgsize = GUIFormSpecMenu::getImgsize(render_target_size,
screen_dpi, gui_scaling);
return v2f32(render_target_size.X / prefer_imgsize,
render_target_size.Y / prefer_imgsize);
}
#endif