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 <gettext.h>
  24 #include "gui/mainmenumanager.h"
  25 #include "gui/guiChatConsole.h"
  26 #include "util/pointedthing.h"
  27 #include "client.h"
  28 #include "clientmap.h"
  29 #include "fontengine.h"
  30 #include "nodedef.h"
  31 #include "profiler.h"
  32 #include "renderingengine.h"
  33 #include "version.h"
  34
  35 inline static const char *yawToDirectionString(int yaw)
  36 {
  37         static const char *direction[4] =
  38                 {"North +Z", "West -X", "South -Z", "East +X"};
  39
  40         yaw = wrapDegrees_0_360(yaw);
  41         yaw = (yaw + 45) % 360 / 90;
  42
  43         return direction[yaw];
  44 }
  45
  46 GameUI::GameUI()
  47 {
  48         if (guienv && guienv->getSkin())
  49                 m_statustext_initial_color = guienv->getSkin()->getColor(gui::EGDC_BUTTON_TEXT);
  50         else
  51                 m_statustext_initial_color = video::SColor(255, 0, 0, 0);
  52
  53 }
  54 void GameUI::init()
  55 {
  56         // First line of debug text
  57         m_guitext = gui::StaticText::add(guienv, utf8_to_wide(PROJECT_NAME_C).c_str(),
  58                 core::rect<s32>(0, 0, 0, 0), false, false, guiroot);
  59
  60         // Second line of debug text
  61         m_guitext2 = gui::StaticText::add(guienv, L"", core::rect<s32>(0, 0, 0, 0), false,
  62                 false, guiroot);
  63
  64         // At the middle of the screen
  65         // Object infos are shown in this
  66         m_guitext_info = gui::StaticText::add(guienv, L"",
  67                 core::rect<s32>(0, 0, 400, g_fontengine->getTextHeight() * 5 + 5)
  68                         + v2s32(100, 200), false, true, guiroot);
  69
  70         // Status text (displays info when showing and hiding GUI stuff, etc.)
  71         m_guitext_status = gui::StaticText::add(guienv, L"<Status>",
  72                 core::rect<s32>(0, 0, 0, 0), false, false, guiroot);
  73         m_guitext_status->setVisible(false);
  74
  75         // Chat text
  76         m_guitext_chat = gui::StaticText::add(guienv, L"", core::rect<s32>(0, 0, 0, 0),
  77                 //false, false); // Disable word wrap as of now
  78                 false, true, guiroot);
  79         u16 chat_font_size = g_settings->getU16("chat_font_size");
  80         if (chat_font_size != 0) {
  81                 m_guitext_chat->setOverrideFont(g_fontengine->getFont(
  82                         chat_font_size, FM_Unspecified));
  83         }
  84
  85         // Profiler text (size is updated when text is updated)
  86         m_guitext_profiler = gui::StaticText::add(guienv, L"<Profiler>",
  87                 core::rect<s32>(0, 0, 0, 0), false, false, guiroot);
  88         m_guitext_profiler->setOverrideFont(g_fontengine->getFont(
  89                 g_fontengine->getDefaultFontSize() * 0.9f, FM_Mono));
  90         m_guitext_profiler->setVisible(false);
  91 }
  92
  93 void GameUI::update(const RunStats &stats, Client *client, MapDrawControl *draw_control,
  94         const CameraOrientation &cam, const PointedThing &pointed_old,
  95         const GUIChatConsole *chat_console, float dtime)
  96 {
  97         v2u32 screensize = RenderingEngine::get_instance()->getWindowSize();
  98
  99         if (m_flags.show_debug) {
 100                 static float drawtime_avg = 0;
 101                 drawtime_avg = drawtime_avg * 0.95 + stats.drawtime * 0.05;
 102                 u16 fps = 1.0 / stats.dtime_jitter.avg;
 103
 104                 std::ostringstream os(std::ios_base::binary);
 105                 os << std::fixed
 106                         << PROJECT_NAME_C " " << g_version_hash
 107                         << " | FPS: " << fps
 108                         << std::setprecision(0)
 109                         << " | drawtime: " << drawtime_avg << "ms"
 110                         << std::setprecision(1)
 111                         << " | dtime jitter: "
 112                         << (stats.dtime_jitter.max_fraction * 100.0) << "%"
 113                         << std::setprecision(1)
 114                         << " | view range: "
 115                         << (draw_control->range_all ? "All" : itos(draw_control->wanted_range))
 116                         << std::setprecision(3)
 117                         << " | RTT: " << client->getRTT() << "s";
 118                 setStaticText(m_guitext, utf8_to_wide(os.str()).c_str());
 119
 120                 m_guitext->setRelativePosition(core::rect<s32>(5, 5, screensize.X,
 121                         5 + g_fontengine->getTextHeight()));
 122         }
 123
 124         // Finally set the guitext visible depending on the flag
 125         m_guitext->setVisible(m_flags.show_debug);
 126
 127         if (m_flags.show_debug) {
 128                 LocalPlayer *player = client->getEnv().getLocalPlayer();
 129                 v3f player_position = player->getPosition();
 130
 131                 std::ostringstream os(std::ios_base::binary);
 132                 os << std::setprecision(1) << std::fixed
 133                         << "pos: (" << (player_position.X / BS)
 134                         << ", " << (player_position.Y / BS)
 135                         << ", " << (player_position.Z / BS)
 136                         << ") | yaw: " << (wrapDegrees_0_360(cam.camera_yaw)) << "\xC2\xB0 "
 137                         << yawToDirectionString(cam.camera_yaw)
 138                         << " | pitch: " << (-wrapDegrees_180(cam.camera_pitch)) << "\xC2\xB0"
 139                         << " | seed: " << ((u64)client->getMapSeed());
 140
 141                 if (pointed_old.type == POINTEDTHING_NODE) {
 142                         ClientMap &map = client->getEnv().getClientMap();
 143                         const NodeDefManager *nodedef = client->getNodeDefManager();
 144                         MapNode n = map.getNode(pointed_old.node_undersurface);
 145
 146                         if (n.getContent() != CONTENT_IGNORE && nodedef->get(n).name != "unknown") {
 147                                 os << ", pointed: " << nodedef->get(n).name
 148                                         << ", param2: " << (u64) n.getParam2();
 149                         }
 150                 }
 151
 152                 setStaticText(m_guitext2, utf8_to_wide(os.str()).c_str());
 153
 154                 m_guitext2->setRelativePosition(core::rect<s32>(5,
 155                         5 + g_fontengine->getTextHeight(), screensize.X,
 156                         5 + g_fontengine->getTextHeight() * 2
 157                 ));
 158         }
 159
 160         m_guitext2->setVisible(m_flags.show_debug);
 161
 162         setStaticText(m_guitext_info, m_infotext.c_str());
 163         m_guitext_info->setVisible(m_flags.show_hud && g_menumgr.menuCount() == 0);
 164
 165         static const float statustext_time_max = 1.5f;
 166
 167         if (!m_statustext.empty()) {
 168                 m_statustext_time += dtime;
 169
 170                 if (m_statustext_time >= statustext_time_max) {
 171                         clearStatusText();
 172                         m_statustext_time = 0.0f;
 173                 }
 174         }
 175
 176         setStaticText(m_guitext_status, m_statustext.c_str());
 177         m_guitext_status->setVisible(!m_statustext.empty());
 178
 179         if (!m_statustext.empty()) {
 180                 s32 status_width  = m_guitext_status->getTextWidth();
 181                 s32 status_height = m_guitext_status->getTextHeight();
 182                 s32 status_y = screensize.Y - 150;
 183                 s32 status_x = (screensize.X - status_width) / 2;
 184
 185                 m_guitext_status->setRelativePosition(core::rect<s32>(status_x ,
 186                         status_y - status_height, status_x + status_width, status_y));
 187
 188                 // Fade out
 189                 video::SColor final_color = m_statustext_initial_color;
 190                 final_color.setAlpha(0);
 191                 video::SColor fade_color = m_statustext_initial_color.getInterpolated_quadratic(
 192                         m_statustext_initial_color, final_color, m_statustext_time / statustext_time_max);
 193                 m_guitext_status->setOverrideColor(fade_color);
 194                 m_guitext_status->enableOverrideColor(true);
 195         }
 196
 197         // Hide chat when console is visible
 198         m_guitext_chat->setVisible(isChatVisible() && !chat_console->isVisible());
 199 }
 200
 201 void GameUI::initFlags()
 202 {
 203         m_flags = GameUI::Flags();
 204         m_flags.show_debug = g_settings->getBool("show_debug");
 205 }
 206
 207 void GameUI::showMinimap(bool show)
 208 {
 209         m_flags.show_minimap = show;
 210 }
 211
 212 void GameUI::showTranslatedStatusText(const char *str)
 213 {
 214         const wchar_t *wmsg = wgettext(str);
 215         showStatusText(wmsg);
 216         delete[] wmsg;
 217 }
 218
 219 void GameUI::setChatText(const EnrichedString &chat_text, u32 recent_chat_count)
 220 {
 221
 222         // Update gui element size and position
 223         s32 chat_y = 5;
 224
 225         if (m_flags.show_debug)
 226                 chat_y += 2 * g_fontengine->getLineHeight();
 227
 228         const v2u32 &window_size = RenderingEngine::get_instance()->getWindowSize();
 229
 230         core::rect<s32> chat_size(10, chat_y,
 231                 window_size.X - 20, 0);
 232         chat_size.LowerRightCorner.Y = std::min((s32)window_size.Y,
 233                 m_guitext_chat->getTextHeight() + chat_y);
 234
 235         m_guitext_chat->setRelativePosition(chat_size);
 236         setStaticText(m_guitext_chat, chat_text);
 237
 238         m_recent_chat_count = recent_chat_count;
 239 }
 240
 241 void GameUI::updateProfiler()
 242 {
 243         if (m_profiler_current_page != 0) {
 244                 std::ostringstream os(std::ios_base::binary);
 245                 os << "   Profiler page " << (int)m_profiler_current_page <<
 246                                 ", elapsed: " << g_profiler->getElapsedMs() << " ms)" << std::endl;
 247
 248                 int lines = g_profiler->print(os, m_profiler_current_page, m_profiler_max_page);
 249                 ++lines;
 250
 251                 EnrichedString str(utf8_to_wide(os.str()));
 252                 str.setBackground(video::SColor(120, 0, 0, 0));
 253                 setStaticText(m_guitext_profiler, str);
 254
 255                 core::dimension2d<u32> size = m_guitext_profiler->getOverrideFont()->
 256                                 getDimension(str.c_str());
 257                 core::position2di upper_left(6, 50);
 258                 core::position2di lower_right = upper_left;
 259                 lower_right.X += size.Width + 10;
 260                 lower_right.Y += size.Height;
 261
 262                 m_guitext_profiler->setRelativePosition(core::rect<s32>(upper_left, lower_right));
 263         }
 264
 265         m_guitext_profiler->setVisible(m_profiler_current_page != 0);
 266 }
 267
 268 void GameUI::toggleChat()
 269 {
 270         m_flags.show_chat = !m_flags.show_chat;
 271         if (m_flags.show_chat)
 272                 showTranslatedStatusText("Chat shown");
 273         else
 274                 showTranslatedStatusText("Chat hidden");
 275 }
 276
 277 void GameUI::toggleHud()
 278 {
 279         m_flags.show_hud = !m_flags.show_hud;
 280         if (m_flags.show_hud)
 281                 showTranslatedStatusText("HUD shown");
 282         else
 283                 showTranslatedStatusText("HUD hidden");
 284 }
 285
 286 void GameUI::toggleProfiler()
 287 {
 288         m_profiler_current_page = (m_profiler_current_page + 1) % (m_profiler_max_page + 1);
 289
 290         // FIXME: This updates the profiler with incomplete values
 291         updateProfiler();
 292
 293         if (m_profiler_current_page != 0) {
 294                 wchar_t buf[255];
 295                 const wchar_t* str = wgettext("Profiler shown (page %d of %d)");
 296                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str,
 297                         m_profiler_current_page, m_profiler_max_page);
 298                 delete[] str;
 299                 showStatusText(buf);
 300         } else {
 301                 showTranslatedStatusText("Profiler hidden");
 302         }
 303 }
 304
 305
 306 void GameUI::deleteFormspec()
 307 {
 308         if (m_formspec) {
 309                 m_formspec->drop();
 310                 m_formspec = nullptr;
 311         }
 312
 313         m_formname.clear();
 314 }