src/client/gameui.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4 Copyright (C) 2018 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU Lesser General Public License as published by
   8 the Free Software Foundation; either version 2.1 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU Lesser General Public License for more details.
  15
  16 You should have received a copy of the GNU Lesser General Public License along
  17 with this program; if not, write to the Free Software Foundation, Inc.,
  18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 */
  20
  21 #include "gameui.h"
  22 #include <irrlicht_changes/static_text.h>
  23 #include "gui/mainmenumanager.h"
  24 #include "util/pointedthing.h"
  25 #include "client.h"
  26 #include "clientmap.h"
  27 #include "fontengine.h"
  28 #include "nodedef.h"
  29 #include "renderingengine.h"
  30 #include "version.h"
  31
  32 inline static const char *yawToDirectionString(int yaw)
  33 {
  34         static const char *direction[4] = {"N +Z", "W -X", "S -Z", "E +X"};
  35
  36         yaw = wrapDegrees_0_360(yaw);
  37         yaw = (yaw + 45) % 360 / 90;
  38
  39         return direction[yaw];
  40 }
  41
  42 void GameUI::init()
  43 {
  44         // First line of debug text
  45         m_guitext = gui::StaticText::add(guienv, utf8_to_wide(PROJECT_NAME_C).c_str(),
  46                 core::rect<s32>(0, 0, 0, 0), false, false, guiroot);
  47
  48         // Second line of debug text
  49         m_guitext2 = gui::StaticText::add(guienv, L"", core::rect<s32>(0, 0, 0, 0), false,
  50                 false, guiroot);
  51
  52         // At the middle of the screen
  53         // Object infos are shown in this
  54         m_guitext_info = gui::StaticText::add(guienv, L"",
  55                 core::rect<s32>(0, 0, 400, g_fontengine->getTextHeight() * 5 + 5)
  56                         + v2s32(100, 200), false, true, guiroot);
  57
  58         // Status text (displays info when showing and hiding GUI stuff, etc.)
  59         m_guitext_status = gui::StaticText::add(guienv, L"<Status>",
  60                 core::rect<s32>(0, 0, 0, 0), false, false, guiroot);
  61
  62         m_guitext_status->setVisible(false);
  63 }
  64
  65 void GameUI::update(const RunStats &stats, Client *client, MapDrawControl *draw_control,
  66         const CameraOrientation &cam, const PointedThing &pointed_old, float dtime)
  67 {
  68         v2u32 screensize = RenderingEngine::get_instance()->getWindowSize();
  69
  70         if (m_flags.show_debug) {
  71                 static float drawtime_avg = 0;
  72                 drawtime_avg = drawtime_avg * 0.95 + stats.drawtime * 0.05;
  73                 u16 fps = 1.0 / stats.dtime_jitter.avg;
  74
  75                 std::ostringstream os(std::ios_base::binary);
  76                 os << std::fixed
  77                         << PROJECT_NAME_C " " << g_version_hash
  78                         << ", FPS: " << fps
  79                         << std::setprecision(0)
  80                         << ", drawtime: " << drawtime_avg << "ms"
  81                         << std::setprecision(1)
  82                         << ", dtime jitter: "
  83                         << (stats.dtime_jitter.max_fraction * 100.0) << "%"
  84                         << std::setprecision(1)
  85                         << ", view range: "
  86                         << (draw_control->range_all ? "All" : itos(draw_control->wanted_range))
  87                         << std::setprecision(3)
  88                         << ", RTT: " << client->getRTT() << "s";
  89                 setStaticText(m_guitext, utf8_to_wide(os.str()).c_str());
  90
  91                 m_guitext->setRelativePosition(core::rect<s32>(5, 5, screensize.X,
  92                         5 + g_fontengine->getTextHeight()));
  93         }
  94
  95         // Finally set the guitext visible depending on the flag
  96         m_guitext->setVisible(m_flags.show_debug);
  97
  98         if (m_flags.show_debug) {
  99                 LocalPlayer *player = client->getEnv().getLocalPlayer();
 100                 v3f player_position = player->getPosition();
 101
 102                 std::ostringstream os(std::ios_base::binary);
 103                 os << std::setprecision(1) << std::fixed
 104                         << "pos: (" << (player_position.X / BS)
 105                         << ", " << (player_position.Y / BS)
 106                         << ", " << (player_position.Z / BS)
 107                         << "), yaw: " << (wrapDegrees_0_360(cam.camera_yaw)) << "° "
 108                         << yawToDirectionString(cam.camera_yaw)
 109                         << ", seed: " << ((u64)client->getMapSeed());
 110
 111                 if (pointed_old.type == POINTEDTHING_NODE) {
 112                         ClientMap &map = client->getEnv().getClientMap();
 113                         const INodeDefManager *nodedef = client->getNodeDefManager();
 114                         MapNode n = map.getNodeNoEx(pointed_old.node_undersurface);
 115
 116                         if (n.getContent() != CONTENT_IGNORE && nodedef->get(n).name != "unknown") {
 117                                 os << ", pointed: " << nodedef->get(n).name
 118                                         << ", param2: " << (u64) n.getParam2();
 119                         }
 120                 }
 121
 122                 setStaticText(m_guitext2, utf8_to_wide(os.str()).c_str());
 123
 124                 m_guitext2->setRelativePosition(core::rect<s32>(5,
 125                         5 + g_fontengine->getTextHeight(), screensize.X,
 126                         5 + g_fontengine->getTextHeight() * 2
 127                 ));
 128         }
 129
 130         m_guitext2->setVisible(m_flags.show_debug);
 131
 132         setStaticText(m_guitext_info, translate_string(m_infotext).c_str());
 133         m_guitext_info->setVisible(m_flags.show_hud && g_menumgr.menuCount() == 0);
 134
 135         static const float statustext_time_max = 1.5f;
 136
 137         if (!m_statustext.empty()) {
 138                 m_statustext_time += dtime;
 139
 140                 if (m_statustext_time >= statustext_time_max) {
 141                         clearStatusText();
 142                         m_statustext_time = 0.0f;
 143                 }
 144         }
 145
 146         setStaticText(m_guitext_status, translate_string(m_statustext).c_str());
 147         m_guitext_status->setVisible(!m_statustext.empty());
 148
 149         if (!m_statustext.empty()) {
 150                 s32 status_width  = m_guitext_status->getTextWidth();
 151                 s32 status_height = m_guitext_status->getTextHeight();
 152                 s32 status_y = screensize.Y - 150;
 153                 s32 status_x = (screensize.X - status_width) / 2;
 154
 155                 m_guitext_status->setRelativePosition(core::rect<s32>(status_x ,
 156                         status_y - status_height, status_x + status_width, status_y));
 157
 158                 // Fade out
 159                 video::SColor initial_color(255, 0, 0, 0);
 160
 161                 if (guienv->getSkin())
 162                         initial_color = guienv->getSkin()->getColor(gui::EGDC_BUTTON_TEXT);
 163
 164                 video::SColor final_color = initial_color;
 165                 final_color.setAlpha(0);
 166                 video::SColor fade_color = initial_color.getInterpolated_quadratic(
 167                         initial_color, final_color,
 168                         pow(m_statustext_time / statustext_time_max, 2.0f));
 169                 m_guitext_status->setOverrideColor(fade_color);
 170                 m_guitext_status->enableOverrideColor(true);
 171         }
 172 }
 173
 174 void GameUI::initFlags()
 175 {
 176         memset(&m_flags, 0, sizeof(GameUI::Flags));
 177         m_flags.show_chat = true;
 178         m_flags.show_hud = true;
 179         m_flags.show_debug = g_settings->getBool("show_debug");
 180 }
 181
 182 void GameUI::showMinimap(bool show)
 183 {
 184         m_flags.show_minimap = show;
 185 }