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::AUX1] = getKeySetting("keymap_aux1");
  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::SWAP_OFFHAND] = getKeySetting("keymap_swap_offhand");
  47         key[KeyType::INVENTORY] = getKeySetting("keymap_inventory");
  48         key[KeyType::CHAT] = getKeySetting("keymap_chat");
  49         key[KeyType::CMD] = getKeySetting("keymap_cmd");
  50         key[KeyType::CMD_LOCAL] = getKeySetting("keymap_cmd_local");
  51         key[KeyType::CONSOLE] = getKeySetting("keymap_console");
  52         key[KeyType::MINIMAP] = getKeySetting("keymap_minimap");
  53         key[KeyType::FREEMOVE] = getKeySetting("keymap_freemove");
  54         key[KeyType::PITCHMOVE] = getKeySetting("keymap_pitchmove");
  55         key[KeyType::FASTMOVE] = getKeySetting("keymap_fastmove");
  56         key[KeyType::NOCLIP] = getKeySetting("keymap_noclip");
  57         key[KeyType::HOTBAR_PREV] = getKeySetting("keymap_hotbar_previous");
  58         key[KeyType::HOTBAR_NEXT] = getKeySetting("keymap_hotbar_next");
  59         key[KeyType::MUTE] = getKeySetting("keymap_mute");
  60         key[KeyType::INC_VOLUME] = getKeySetting("keymap_increase_volume");
  61         key[KeyType::DEC_VOLUME] = getKeySetting("keymap_decrease_volume");
  62         key[KeyType::CINEMATIC] = getKeySetting("keymap_cinematic");
  63         key[KeyType::SCREENSHOT] = getKeySetting("keymap_screenshot");
  64         key[KeyType::TOGGLE_BLOCK_BOUNDS] = getKeySetting("keymap_toggle_block_bounds");
  65         key[KeyType::TOGGLE_HUD] = getKeySetting("keymap_toggle_hud");
  66         key[KeyType::TOGGLE_CHAT] = getKeySetting("keymap_toggle_chat");
  67         key[KeyType::TOGGLE_FOG] = getKeySetting("keymap_toggle_fog");
  68         key[KeyType::TOGGLE_UPDATE_CAMERA] = getKeySetting("keymap_toggle_update_camera");
  69         key[KeyType::TOGGLE_DEBUG] = getKeySetting("keymap_toggle_debug");
  70         key[KeyType::TOGGLE_PROFILER] = getKeySetting("keymap_toggle_profiler");
  71         key[KeyType::CAMERA_MODE] = getKeySetting("keymap_camera_mode");
  72         key[KeyType::INCREASE_VIEWING_RANGE] =
  73                         getKeySetting("keymap_increase_viewing_range_min");
  74         key[KeyType::DECREASE_VIEWING_RANGE] =
  75                         getKeySetting("keymap_decrease_viewing_range_min");
  76         key[KeyType::RANGESELECT] = getKeySetting("keymap_rangeselect");
  77         key[KeyType::ZOOM] = getKeySetting("keymap_zoom");
  78
  79         key[KeyType::QUICKTUNE_NEXT] = getKeySetting("keymap_quicktune_next");
  80         key[KeyType::QUICKTUNE_PREV] = getKeySetting("keymap_quicktune_prev");
  81         key[KeyType::QUICKTUNE_INC] = getKeySetting("keymap_quicktune_inc");
  82         key[KeyType::QUICKTUNE_DEC] = getKeySetting("keymap_quicktune_dec");
  83
  84         for (int i = 0; i < HUD_HOTBAR_ITEMCOUNT_MAX; i++) {
  85                 std::string slot_key_name = "keymap_slot" + std::to_string(i + 1);
  86                 key[KeyType::SLOT_1 + i] = getKeySetting(slot_key_name.c_str());
  87         }
  88
  89         if (handler) {
  90                 // First clear all keys, then re-add the ones we listen for
  91                 handler->dontListenForKeys();
  92                 for (const KeyPress &k : key) {
  93                         handler->listenForKey(k);
  94                 }
  95                 handler->listenForKey(EscapeKey);
  96                 handler->listenForKey(CancelKey);
  97         }
  98 }
  99
 100 bool MyEventReceiver::OnEvent(const SEvent &event)
 101 {
 102         /*
 103                 React to nothing here if a menu is active
 104         */
 105         if (isMenuActive()) {
 106 #ifdef HAVE_TOUCHSCREENGUI
 107                 if (m_touchscreengui) {
 108                         m_touchscreengui->Toggle(false);
 109                 }
 110 #endif
 111                 return g_menumgr.preprocessEvent(event);
 112         }
 113
 114         // Remember whether each key is down or up
 115         if (event.EventType == irr::EET_KEY_INPUT_EVENT) {
 116                 const KeyPress &keyCode = event.KeyInput;
 117                 if (keysListenedFor[keyCode]) {
 118                         if (event.KeyInput.PressedDown) {
 119                                 if (!IsKeyDown(keyCode))
 120                                         keyWasPressed.set(keyCode);
 121
 122                                 keyIsDown.set(keyCode);
 123                                 keyWasDown.set(keyCode);
 124                         } else {
 125                                 if (IsKeyDown(keyCode))
 126                                         keyWasReleased.set(keyCode);
 127
 128                                 keyIsDown.unset(keyCode);
 129                         }
 130
 131                         return true;
 132                 }
 133
 134 #ifdef HAVE_TOUCHSCREENGUI
 135         } else if (m_touchscreengui && event.EventType == irr::EET_TOUCH_INPUT_EVENT) {
 136                 // In case of touchscreengui, we have to handle different events
 137                 m_touchscreengui->translateEvent(event);
 138                 return true;
 139 #endif
 140
 141         } else if (event.EventType == irr::EET_JOYSTICK_INPUT_EVENT) {
 142                 // joystick may be nullptr if game is launched with '--random-input' parameter
 143                 return joystick && joystick->handleEvent(event.JoystickEvent);
 144         } else if (event.EventType == irr::EET_MOUSE_INPUT_EVENT) {
 145                 // Handle mouse events
 146                 KeyPress key;
 147                 switch (event.MouseInput.Event) {
 148                 case EMIE_LMOUSE_PRESSED_DOWN:
 149                         key = "KEY_LBUTTON";
 150                         keyIsDown.set(key);
 151                         keyWasDown.set(key);
 152                         keyWasPressed.set(key);
 153                         break;
 154                 case EMIE_MMOUSE_PRESSED_DOWN:
 155                         key = "KEY_MBUTTON";
 156                         keyIsDown.set(key);
 157                         keyWasDown.set(key);
 158                         keyWasPressed.set(key);
 159                         break;
 160                 case EMIE_RMOUSE_PRESSED_DOWN:
 161                         key = "KEY_RBUTTON";
 162                         keyIsDown.set(key);
 163                         keyWasDown.set(key);
 164                         keyWasPressed.set(key);
 165                         break;
 166                 case EMIE_LMOUSE_LEFT_UP:
 167                         key = "KEY_LBUTTON";
 168                         keyIsDown.unset(key);
 169                         keyWasReleased.set(key);
 170                         break;
 171                 case EMIE_MMOUSE_LEFT_UP:
 172                         key = "KEY_MBUTTON";
 173                         keyIsDown.unset(key);
 174                         keyWasReleased.set(key);
 175                         break;
 176                 case EMIE_RMOUSE_LEFT_UP:
 177                         key = "KEY_RBUTTON";
 178                         keyIsDown.unset(key);
 179                         keyWasReleased.set(key);
 180                         break;
 181                 case EMIE_MOUSE_WHEEL:
 182                         mouse_wheel += event.MouseInput.Wheel;
 183                         break;
 184                 default: break;
 185                 }
 186         } else if (event.EventType == irr::EET_LOG_TEXT_EVENT) {
 187                 static const LogLevel irr_loglev_conv[] = {
 188                                 LL_VERBOSE, // ELL_DEBUG
 189                                 LL_INFO,    // ELL_INFORMATION
 190                                 LL_WARNING, // ELL_WARNING
 191                                 LL_ERROR,   // ELL_ERROR
 192                                 LL_NONE,    // ELL_NONE
 193                 };
 194                 assert(event.LogEvent.Level < ARRLEN(irr_loglev_conv));
 195                 g_logger.log(irr_loglev_conv[event.LogEvent.Level],
 196                                 std::string("Irrlicht: ") + event.LogEvent.Text);
 197                 return true;
 198         }
 199         /* always return false in order to continue processing events */
 200         return false;
 201 }
 202
 203 /*
 204  * RandomInputHandler
 205  */
 206 s32 RandomInputHandler::Rand(s32 min, s32 max)
 207 {
 208         return (myrand() % (max - min + 1)) + min;
 209 }
 210
 211 struct RandomInputHandlerSimData {
 212         std::string key;
 213         float counter;
 214         int time_max;
 215 };
 216
 217 void RandomInputHandler::step(float dtime)
 218 {
 219         static RandomInputHandlerSimData rnd_data[] = {
 220                 { "keymap_jump", 0.0f, 40 },
 221                 { "keymap_aux1", 0.0f, 40 },
 222                 { "keymap_forward", 0.0f, 40 },
 223                 { "keymap_left", 0.0f, 40 },
 224                 { "keymap_dig", 0.0f, 30 },
 225                 { "keymap_place", 0.0f, 15 }
 226         };
 227
 228         for (auto &i : rnd_data) {
 229                 i.counter -= dtime;
 230                 if (i.counter < 0.0) {
 231                         i.counter = 0.1 * Rand(1, i.time_max);
 232                         keydown.toggle(getKeySetting(i.key.c_str()));
 233                 }
 234         }
 235         {
 236                 static float counter1 = 0;
 237                 counter1 -= dtime;
 238                 if (counter1 < 0.0) {
 239                         counter1 = 0.1 * Rand(1, 20);
 240                         mousespeed = v2s32(Rand(-20, 20), Rand(-15, 20));
 241                 }
 242         }
 243         mousepos += mousespeed;
 244         static bool useJoystick = false;
 245         {
 246                 static float counterUseJoystick = 0;
 247                 counterUseJoystick -= dtime;
 248                 if (counterUseJoystick < 0.0) {
 249                         counterUseJoystick = 5.0; // switch between joystick and keyboard direction input
 250                         useJoystick = !useJoystick;
 251                 }
 252         }
 253         if (useJoystick) {
 254                 static float counterMovement = 0;
 255                 counterMovement -= dtime;
 256                 if (counterMovement < 0.0) {
 257                         counterMovement = 0.1 * Rand(1, 40);
 258                         movementSpeed = Rand(0,100)*0.01;
 259                         movementDirection = Rand(-100, 100)*0.01 * M_PI;
 260                 }
 261         } else {
 262                 bool f = keydown[keycache.key[KeyType::FORWARD]],
 263                         l = keydown[keycache.key[KeyType::LEFT]];
 264                 if (f || l) {
 265                         movementSpeed = 1.0f;
 266                         if (f && !l)
 267                                 movementDirection = 0.0;
 268                         else if (!f && l)
 269                                 movementDirection = -M_PI_2;
 270                         else if (f && l)
 271                                 movementDirection = -M_PI_4;
 272                         else
 273                                 movementDirection = 0.0;
 274                 } else {
 275                         movementSpeed = 0.0;
 276                         movementDirection = 0.0;
 277                 }
 278         }
 279 }