src/client/inputhandler.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4 Copyright (C) 2017 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 "util/numeric.h"
  22 #include "inputhandler.h"
  23 #include "gui/mainmenumanager.h"
  24 #include "hud.h"
  25
  26 void KeyCache::populate_nonchanging()
  27 {
  28         key[KeyType::ESC] = EscapeKey;
  29 }
  30
  31 void KeyCache::populate()
  32 {
  33         key[KeyType::FORWARD] = getKeySetting("keymap_forward");
  34         key[KeyType::BACKWARD] = getKeySetting("keymap_backward");
  35         key[KeyType::LEFT] = getKeySetting("keymap_left");
  36         key[KeyType::RIGHT] = getKeySetting("keymap_right");
  37         key[KeyType::JUMP] = getKeySetting("keymap_jump");
  38         key[KeyType::SPECIAL1] = getKeySetting("keymap_special1");
  39         key[KeyType::SNEAK] = getKeySetting("keymap_sneak");
  40         key[KeyType::DIG] = getKeySetting("keymap_dig");
  41         key[KeyType::PLACE] = getKeySetting("keymap_place");
  42
  43         key[KeyType::AUTOFORWARD] = getKeySetting("keymap_autoforward");
  44
  45         key[KeyType::DROP] = getKeySetting("keymap_drop");
  46         key[KeyType::INVENTORY] = getKeySetting("keymap_inventory");
  47         key[KeyType::CHAT] = getKeySetting("keymap_chat");
  48         key[KeyType::CMD] = getKeySetting("keymap_cmd");
  49         key[KeyType::CMD_LOCAL] = getKeySetting("keymap_cmd_local");
  50         key[KeyType::CONSOLE] = getKeySetting("keymap_console");
  51         key[KeyType::MINIMAP] = getKeySetting("keymap_minimap");
  52         key[KeyType::FREEMOVE] = getKeySetting("keymap_freemove");
  53         key[KeyType::PITCHMOVE] = getKeySetting("keymap_pitchmove");
  54         key[KeyType::FASTMOVE] = getKeySetting("keymap_fastmove");
  55         key[KeyType::NOCLIP] = getKeySetting("keymap_noclip");
  56         key[KeyType::HOTBAR_PREV] = getKeySetting("keymap_hotbar_previous");
  57         key[KeyType::HOTBAR_NEXT] = getKeySetting("keymap_hotbar_next");
  58         key[KeyType::MUTE] = getKeySetting("keymap_mute");
  59         key[KeyType::INC_VOLUME] = getKeySetting("keymap_increase_volume");
  60         key[KeyType::DEC_VOLUME] = getKeySetting("keymap_decrease_volume");
  61         key[KeyType::CINEMATIC] = getKeySetting("keymap_cinematic");
  62         key[KeyType::SCREENSHOT] = getKeySetting("keymap_screenshot");
  63         key[KeyType::TOGGLE_HUD] = getKeySetting("keymap_toggle_hud");
  64         key[KeyType::TOGGLE_CHAT] = getKeySetting("keymap_toggle_chat");
  65         key[KeyType::TOGGLE_FOG] = getKeySetting("keymap_toggle_fog");
  66         key[KeyType::TOGGLE_UPDATE_CAMERA] = getKeySetting("keymap_toggle_update_camera");
  67         key[KeyType::TOGGLE_DEBUG] = getKeySetting("keymap_toggle_debug");
  68         key[KeyType::TOGGLE_PROFILER] = getKeySetting("keymap_toggle_profiler");
  69         key[KeyType::CAMERA_MODE] = getKeySetting("keymap_camera_mode");
  70         key[KeyType::INCREASE_VIEWING_RANGE] =
  71                         getKeySetting("keymap_increase_viewing_range_min");
  72         key[KeyType::DECREASE_VIEWING_RANGE] =
  73                         getKeySetting("keymap_decrease_viewing_range_min");
  74         key[KeyType::RANGESELECT] = getKeySetting("keymap_rangeselect");
  75         key[KeyType::ZOOM] = getKeySetting("keymap_zoom");
  76
  77         key[KeyType::QUICKTUNE_NEXT] = getKeySetting("keymap_quicktune_next");
  78         key[KeyType::QUICKTUNE_PREV] = getKeySetting("keymap_quicktune_prev");
  79         key[KeyType::QUICKTUNE_INC] = getKeySetting("keymap_quicktune_inc");
  80         key[KeyType::QUICKTUNE_DEC] = getKeySetting("keymap_quicktune_dec");
  81
  82         for (int i = 0; i < HUD_HOTBAR_ITEMCOUNT_MAX; i++) {
  83                 std::string slot_key_name = "keymap_slot" + std::to_string(i + 1);
  84                 key[KeyType::SLOT_1 + i] = getKeySetting(slot_key_name.c_str());
  85         }
  86
  87         if (handler) {
  88                 // First clear all keys, then re-add the ones we listen for
  89                 handler->dontListenForKeys();
  90                 for (const KeyPress &k : key) {
  91                         handler->listenForKey(k);
  92                 }
  93                 handler->listenForKey(EscapeKey);
  94                 handler->listenForKey(CancelKey);
  95         }
  96 }
  97
  98 bool MyEventReceiver::OnEvent(const SEvent &event)
  99 {
 100         /*
 101                 React to nothing here if a menu is active
 102         */
 103         if (isMenuActive()) {
 104 #ifdef HAVE_TOUCHSCREENGUI
 105                 if (m_touchscreengui) {
 106                         m_touchscreengui->Toggle(false);
 107                 }
 108 #endif
 109                 return g_menumgr.preprocessEvent(event);
 110         }
 111
 112         // Remember whether each key is down or up
 113         if (event.EventType == irr::EET_KEY_INPUT_EVENT) {
 114                 const KeyPress &keyCode = event.KeyInput;
 115                 if (keysListenedFor.count(keyCode)) {
 116                                 // If the key is being held down then the OS may
 117                                 // send a continuous stream of keydown events.
 118                                 // In this case, we don't want to let this
 119                                 // stream reach the application as it will cause
 120                                 // certain actions to repeat constantly.
 121                         if (event.KeyInput.PressedDown) {
 122                                 if (!IsKeyDown(keyCode)) {
 123                                         keyWasDown.insert(keyCode);
 124                                         keyWasPressed.insert(keyCode);
 125                                 }
 126                                 keyIsDown.insert(keyCode);
 127                         } else {
 128                                 if (IsKeyDown(keyCode))
 129                                         keyWasReleased.insert(keyCode);
 130
 131                                 keyIsDown.erase(keyCode);
 132                         }
 133
 134                         return true;
 135                 }
 136
 137 #ifdef HAVE_TOUCHSCREENGUI
 138         } else if (m_touchscreengui && event.EventType == irr::EET_TOUCH_INPUT_EVENT) {
 139                 // In case of touchscreengui, we have to handle different events
 140                 m_touchscreengui->translateEvent(event);
 141                 return true;
 142 #endif
 143
 144         } else if (event.EventType == irr::EET_JOYSTICK_INPUT_EVENT) {
 145                 /* TODO add a check like:
 146                 if (event.JoystickEvent != joystick_we_listen_for)
 147                         return false;
 148                 */
 149                 return joystick->handleEvent(event.JoystickEvent);
 150         } else if (event.EventType == irr::EET_MOUSE_INPUT_EVENT) {
 151                 // Handle mouse events
 152                 KeyPress key;
 153                 switch (event.MouseInput.Event) {
 154                 case EMIE_LMOUSE_PRESSED_DOWN:
 155                         key = "KEY_LBUTTON";
 156                         keyIsDown.insert(key);
 157                         keyWasDown.insert(key);
 158                         keyWasPressed.insert(key);
 159                         break;
 160                 case EMIE_MMOUSE_PRESSED_DOWN:
 161                         key = "KEY_MBUTTON";
 162                         keyIsDown.insert(key);
 163                         keyWasDown.insert(key);
 164                         keyWasPressed.insert(key);
 165                         break;
 166                 case EMIE_RMOUSE_PRESSED_DOWN:
 167                         key = "KEY_RBUTTON";
 168                         keyIsDown.insert(key);
 169                         keyWasDown.insert(key);
 170                         keyWasPressed.insert(key);
 171                         break;
 172                 case EMIE_LMOUSE_LEFT_UP:
 173                         key = "KEY_LBUTTON";
 174                         keyIsDown.erase(key);
 175                         keyWasReleased.insert(key);
 176                         break;
 177                 case EMIE_MMOUSE_LEFT_UP:
 178                         key = "KEY_MBUTTON";
 179                         keyIsDown.erase(key);
 180                         keyWasReleased.insert(key);
 181                         break;
 182                 case EMIE_RMOUSE_LEFT_UP:
 183                         key = "KEY_RBUTTON";
 184                         keyIsDown.erase(key);
 185                         keyWasReleased.insert(key);
 186                         break;
 187                 case EMIE_MOUSE_WHEEL:
 188                         mouse_wheel += event.MouseInput.Wheel;
 189                         break;
 190                 default: break;
 191                 }
 192         } else if (event.EventType == irr::EET_LOG_TEXT_EVENT) {
 193                 static const LogLevel irr_loglev_conv[] = {
 194                                 LL_VERBOSE, // ELL_DEBUG
 195                                 LL_INFO,    // ELL_INFORMATION
 196                                 LL_WARNING, // ELL_WARNING
 197                                 LL_ERROR,   // ELL_ERROR
 198                                 LL_NONE,    // ELL_NONE
 199                 };
 200                 assert(event.LogEvent.Level < ARRLEN(irr_loglev_conv));
 201                 g_logger.log(irr_loglev_conv[event.LogEvent.Level],
 202                                 std::string("Irrlicht: ") + event.LogEvent.Text);
 203                 return true;
 204         }
 205         /* always return false in order to continue processing events */
 206         return false;
 207 }
 208
 209 /*
 210  * RandomInputHandler
 211  */
 212 s32 RandomInputHandler::Rand(s32 min, s32 max)
 213 {
 214         return (myrand() % (max - min + 1)) + min;
 215 }
 216
 217 struct RandomInputHandlerSimData {
 218         std::string key;
 219         float counter;
 220         int time_max;
 221 };
 222
 223 void RandomInputHandler::step(float dtime)
 224 {
 225         static RandomInputHandlerSimData rnd_data[] = {
 226                 { "keymap_jump", 0.0f, 40 },
 227                 { "keymap_special1", 0.0f, 40 },
 228                 { "keymap_forward", 0.0f, 40 },
 229                 { "keymap_left", 0.0f, 40 },
 230                 { "keymap_dig", 0.0f, 30 },
 231                 { "keymap_place", 0.0f, 15 }
 232         };
 233
 234         for (auto &i : rnd_data) {
 235                 i.counter -= dtime;
 236                 if (i.counter < 0.0) {
 237                         i.counter = 0.1 * Rand(1, i.time_max);
 238                         KeyPress k = getKeySetting(i.key.c_str());
 239                         if (keydown.count(k))
 240                                 keydown.erase(k);
 241                         else
 242                                 keydown.insert(k);
 243                 }
 244         }
 245         {
 246                 static float counter1 = 0;
 247                 counter1 -= dtime;
 248                 if (counter1 < 0.0) {
 249                         counter1 = 0.1 * Rand(1, 20);
 250                         mousespeed = v2s32(Rand(-20, 20), Rand(-15, 20));
 251                 }
 252         }
 253         mousepos += mousespeed;
 254 }