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
  59 void GameUI::update(const RunStats &stats, Client *client, MapDrawControl *draw_control,
  60         const CameraOrientation &cam, const PointedThing &pointed_old)
  61 {
  62         v2u32 screensize = RenderingEngine::get_instance()->getWindowSize();
  63
  64         if (m_flags.show_debug) {
  65                 static float drawtime_avg = 0;
  66                 drawtime_avg = drawtime_avg * 0.95 + stats.drawtime * 0.05;
  67                 u16 fps = 1.0 / stats.dtime_jitter.avg;
  68
  69                 std::ostringstream os(std::ios_base::binary);
  70                 os << std::fixed
  71                         << PROJECT_NAME_C " " << g_version_hash
  72                         << ", FPS: " << fps
  73                         << std::setprecision(0)
  74                         << ", drawtime: " << drawtime_avg << "ms"
  75                         << std::setprecision(1)
  76                         << ", dtime jitter: "
  77                         << (stats.dtime_jitter.max_fraction * 100.0) << "%"
  78                         << std::setprecision(1)
  79                         << ", view range: "
  80                         << (draw_control->range_all ? "All" : itos(draw_control->wanted_range))
  81                         << std::setprecision(3)
  82                         << ", RTT: " << client->getRTT() << "s";
  83                 setStaticText(m_guitext, utf8_to_wide(os.str()).c_str());
  84
  85                 m_guitext->setRelativePosition(core::rect<s32>(5, 5, screensize.X,
  86                         5 + g_fontengine->getTextHeight()));
  87         }
  88
  89         // Finally set the guitext visible depending on the flag
  90         m_guitext->setVisible(m_flags.show_debug);
  91
  92         if (m_flags.show_debug) {
  93                 LocalPlayer *player = client->getEnv().getLocalPlayer();
  94                 v3f player_position = player->getPosition();
  95
  96                 std::ostringstream os(std::ios_base::binary);
  97                 os << std::setprecision(1) << std::fixed
  98                         << "pos: (" << (player_position.X / BS)
  99                         << ", " << (player_position.Y / BS)
 100                         << ", " << (player_position.Z / BS)
 101                         << "), yaw: " << (wrapDegrees_0_360(cam.camera_yaw)) << "° "
 102                         << yawToDirectionString(cam.camera_yaw)
 103                         << ", seed: " << ((u64)client->getMapSeed());
 104
 105                 if (pointed_old.type == POINTEDTHING_NODE) {
 106                         ClientMap &map = client->getEnv().getClientMap();
 107                         const INodeDefManager *nodedef = client->getNodeDefManager();
 108                         MapNode n = map.getNodeNoEx(pointed_old.node_undersurface);
 109
 110                         if (n.getContent() != CONTENT_IGNORE && nodedef->get(n).name != "unknown") {
 111                                 os << ", pointed: " << nodedef->get(n).name
 112                                         << ", param2: " << (u64) n.getParam2();
 113                         }
 114                 }
 115
 116                 setStaticText(m_guitext2, utf8_to_wide(os.str()).c_str());
 117
 118                 m_guitext2->setRelativePosition(core::rect<s32>(5,
 119                         5 + g_fontengine->getTextHeight(), screensize.X,
 120                         5 + g_fontengine->getTextHeight() * 2
 121                 ));
 122         }
 123
 124         m_guitext2->setVisible(m_flags.show_debug);
 125
 126         setStaticText(m_guitext_info, translate_string(m_infotext).c_str());
 127         m_guitext_info->setVisible(m_flags.show_hud && g_menumgr.menuCount() == 0);
 128 }
 129
 130 void GameUI::initFlags()
 131 {
 132         memset(&m_flags, 0, sizeof(GameUI::Flags));
 133         m_flags.show_chat = true;
 134         m_flags.show_hud = true;
 135         m_flags.show_debug = g_settings->getBool("show_debug");
 136 }
 137
 138 void GameUI::showMinimap(bool show)
 139 {
 140         m_flags.show_minimap = show;
 141 }