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         m_guitext_status->setVisible(false);
  62
  63         // Chat text
  64         m_guitext_chat = gui::StaticText::add(guienv, L"", core::rect<s32>(0, 0, 0, 0),
  65                 //false, false); // Disable word wrap as of now
  66                 false, true, guiroot);
  67 }
  68
  69 void GameUI::update(const RunStats &stats, Client *client, MapDrawControl *draw_control,
  70         const CameraOrientation &cam, const PointedThing &pointed_old, float dtime)
  71 {
  72         v2u32 screensize = RenderingEngine::get_instance()->getWindowSize();
  73
  74         if (m_flags.show_debug) {
  75                 static float drawtime_avg = 0;
  76                 drawtime_avg = drawtime_avg * 0.95 + stats.drawtime * 0.05;
  77                 u16 fps = 1.0 / stats.dtime_jitter.avg;
  78
  79                 std::ostringstream os(std::ios_base::binary);
  80                 os << std::fixed
  81                         << PROJECT_NAME_C " " << g_version_hash
  82                         << ", FPS: " << fps
  83                         << std::setprecision(0)
  84                         << ", drawtime: " << drawtime_avg << "ms"
  85                         << std::setprecision(1)
  86                         << ", dtime jitter: "
  87                         << (stats.dtime_jitter.max_fraction * 100.0) << "%"
  88                         << std::setprecision(1)
  89                         << ", view range: "
  90                         << (draw_control->range_all ? "All" : itos(draw_control->wanted_range))
  91                         << std::setprecision(3)
  92                         << ", RTT: " << client->getRTT() << "s";
  93                 setStaticText(m_guitext, utf8_to_wide(os.str()).c_str());
  94
  95                 m_guitext->setRelativePosition(core::rect<s32>(5, 5, screensize.X,
  96                         5 + g_fontengine->getTextHeight()));
  97         }
  98
  99         // Finally set the guitext visible depending on the flag
 100         m_guitext->setVisible(m_flags.show_debug);
 101
 102         if (m_flags.show_debug) {
 103                 LocalPlayer *player = client->getEnv().getLocalPlayer();
 104                 v3f player_position = player->getPosition();
 105
 106                 std::ostringstream os(std::ios_base::binary);
 107                 os << std::setprecision(1) << std::fixed
 108                         << "pos: (" << (player_position.X / BS)
 109                         << ", " << (player_position.Y / BS)
 110                         << ", " << (player_position.Z / BS)
 111                         << "), yaw: " << (wrapDegrees_0_360(cam.camera_yaw)) << "° "
 112                         << yawToDirectionString(cam.camera_yaw)
 113                         << ", seed: " << ((u64)client->getMapSeed());
 114
 115                 if (pointed_old.type == POINTEDTHING_NODE) {
 116                         ClientMap &map = client->getEnv().getClientMap();
 117                         const INodeDefManager *nodedef = client->getNodeDefManager();
 118                         MapNode n = map.getNodeNoEx(pointed_old.node_undersurface);
 119
 120                         if (n.getContent() != CONTENT_IGNORE && nodedef->get(n).name != "unknown") {
 121                                 os << ", pointed: " << nodedef->get(n).name
 122                                         << ", param2: " << (u64) n.getParam2();
 123                         }
 124                 }
 125
 126                 setStaticText(m_guitext2, utf8_to_wide(os.str()).c_str());
 127
 128                 m_guitext2->setRelativePosition(core::rect<s32>(5,
 129                         5 + g_fontengine->getTextHeight(), screensize.X,
 130                         5 + g_fontengine->getTextHeight() * 2
 131                 ));
 132         }
 133
 134         m_guitext2->setVisible(m_flags.show_debug);
 135
 136         setStaticText(m_guitext_info, translate_string(m_infotext).c_str());
 137         m_guitext_info->setVisible(m_flags.show_hud && g_menumgr.menuCount() == 0);
 138
 139         static const float statustext_time_max = 1.5f;
 140
 141         if (!m_statustext.empty()) {
 142                 m_statustext_time += dtime;
 143
 144                 if (m_statustext_time >= statustext_time_max) {
 145                         clearStatusText();
 146                         m_statustext_time = 0.0f;
 147                 }
 148         }
 149
 150         setStaticText(m_guitext_status, translate_string(m_statustext).c_str());
 151         m_guitext_status->setVisible(!m_statustext.empty());
 152
 153         if (!m_statustext.empty()) {
 154                 s32 status_width  = m_guitext_status->getTextWidth();
 155                 s32 status_height = m_guitext_status->getTextHeight();
 156                 s32 status_y = screensize.Y - 150;
 157                 s32 status_x = (screensize.X - status_width) / 2;
 158
 159                 m_guitext_status->setRelativePosition(core::rect<s32>(status_x ,
 160                         status_y - status_height, status_x + status_width, status_y));
 161
 162                 // Fade out
 163                 video::SColor initial_color(255, 0, 0, 0);
 164
 165                 if (guienv->getSkin())
 166                         initial_color = guienv->getSkin()->getColor(gui::EGDC_BUTTON_TEXT);
 167
 168                 video::SColor final_color = initial_color;
 169                 final_color.setAlpha(0);
 170                 video::SColor fade_color = initial_color.getInterpolated_quadratic(
 171                         initial_color, final_color,
 172                         pow(m_statustext_time / statustext_time_max, 2.0f));
 173                 m_guitext_status->setOverrideColor(fade_color);
 174                 m_guitext_status->enableOverrideColor(true);
 175         }
 176 }
 177
 178 void GameUI::initFlags()
 179 {
 180         memset(&m_flags, 0, sizeof(GameUI::Flags));
 181         m_flags.show_chat = true;
 182         m_flags.show_hud = true;
 183         m_flags.show_debug = g_settings->getBool("show_debug");
 184 }
 185
 186 void GameUI::showMinimap(bool show)
 187 {
 188         m_flags.show_minimap = show;
 189 }
 190
 191 void GameUI::setChatText(const EnrichedString &chat_text, u32 recent_chat_count,
 192         u32 profiler_current_page)
 193 {
 194         setStaticText(m_guitext_chat, chat_text);
 195
 196         // Update gui element size and position
 197         s32 chat_y = 5;
 198
 199         if (m_flags.show_debug)
 200                 chat_y += 2 * g_fontengine->getLineHeight();
 201
 202         // first pass to calculate height of text to be set
 203         const v2u32 &window_size = RenderingEngine::get_instance()->getWindowSize();
 204         s32 width = std::min(g_fontengine->getTextWidth(chat_text.c_str()) + 10,
 205                 window_size.X - 20);
 206         m_guitext_chat->setRelativePosition(core::rect<s32>(10, chat_y, width,
 207                 chat_y + window_size.Y));
 208
 209         // now use real height of text and adjust rect according to this size
 210         m_guitext_chat->setRelativePosition(core::rect<s32>(10, chat_y, width,
 211                 chat_y + m_guitext_chat->getTextHeight()));
 212
 213         // Don't show chat if disabled or empty or profiler is enabled
 214         m_guitext_chat->setVisible(m_flags.show_chat &&
 215                 recent_chat_count != 0 && profiler_current_page == 0);
 216 }