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