minetest/src/clientdynamicinfo.h

76 lines
2.3 KiB
C++

/*
Minetest
Copyright (C) 2022-3 rubenwardy <rw@rubenwardy.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include "irrlichttypes_bloated.h"
#ifndef SERVER
#include "settings.h"
#include "client/renderingengine.h"
#include "gui/touchscreengui.h"
#endif
struct ClientDynamicInfo
{
public:
v2u32 render_target_size;
f32 real_gui_scaling;
f32 real_hud_scaling;
v2f32 max_fs_size;
bool touch_controls;
bool equal(const ClientDynamicInfo &other) const {
return render_target_size == other.render_target_size &&
abs(real_gui_scaling - other.real_gui_scaling) < 0.001f &&
abs(real_hud_scaling - other.real_hud_scaling) < 0.001f &&
touch_controls == other.touch_controls;
}
#ifndef SERVER
static 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_touchscreengui;
return {
screen_size, real_gui_scaling, real_hud_scaling,
ClientDynamicInfo::calculateMaxFSSize(screen_size, gui_scaling),
touch_controls
};
}
#endif
private:
#ifndef SERVER
static v2f32 calculateMaxFSSize(v2u32 render_target_size, f32 gui_scaling) {
f32 factor = (g_settings->getBool("enable_touch") ? 10 : 15) / gui_scaling;
f32 ratio = (f32)render_target_size.X / (f32)render_target_size.Y;
if (ratio < 1)
return { factor, factor / ratio };
else
return { factor * ratio, factor };
}
#endif
};