| 1 | /* | 
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| 2 |  *   ORXONOX - the hottest 3D action shooter ever to exist | 
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| 3 |  *                    > www.orxonox.net < | 
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| 4 |  * | 
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| 5 |  * | 
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| 6 |  *   License notice: | 
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| 7 |  * | 
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| 8 |  *   This program is free software; you can redistribute it and/or | 
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| 9 |  *   modify it under the terms of the GNU General Public License | 
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| 10 |  *   as published by the Free Software Foundation; either version 2 | 
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| 11 |  *   of the License, or (at your option) any later version. | 
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| 12 |  * | 
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| 13 |  *   This program is distributed in the hope that it will be useful, | 
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| 14 |  *   but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 15 |  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
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| 16 |  *   GNU General Public License for more details. | 
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| 17 |  * | 
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| 18 |  *   You should have received a copy of the GNU General Public License | 
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| 19 |  *   along with this program; if not, write to the Free Software | 
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| 20 |  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA. | 
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| 21 |  * | 
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| 22 |  *   Author: | 
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| 23 |  *      Reto Grieder | 
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| 24 |  *   Co-authors: | 
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| 25 |  *      ... | 
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| 26 |  * | 
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| 27 |  */ | 
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| 28 |  | 
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| 29 | /** | 
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| 30 | @file | 
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| 31 | @brief | 
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| 32 |     Implementation of the InputManager and a static variable from the InputHandler. | 
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| 33 | */ | 
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| 34 |  | 
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| 35 | #include "InputManager.h" | 
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| 36 |  | 
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| 37 | #include <cassert> | 
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| 38 | #include <climits> | 
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| 39 | #include <ois/OISException.h> | 
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| 40 | #include <ois/OISInputManager.h> | 
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| 41 | #include <boost/foreach.hpp> | 
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| 42 |  | 
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| 43 | #include "util/Clock.h" | 
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| 44 | #include "util/Convert.h" | 
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| 45 | #include "util/Exception.h" | 
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| 46 | #include "util/ScopeGuard.h" | 
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| 47 | #include "core/CoreIncludes.h" | 
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| 48 | #include "core/ConfigValueIncludes.h" | 
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| 49 | #include "core/ConsoleCommand.h" | 
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| 50 | #include "core/CommandLineParser.h" | 
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| 51 | #include "core/Functor.h" | 
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| 52 | #include "core/GraphicsManager.h" | 
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| 53 |  | 
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| 54 | #include "InputBuffer.h" | 
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| 55 | #include "JoyStick.h" | 
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| 56 | #include "JoyStickQuantityListener.h" | 
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| 57 | #include "Mouse.h" | 
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| 58 | #include "Keyboard.h" | 
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| 59 |  | 
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| 60 | namespace orxonox | 
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| 61 | { | 
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| 62 |     SetCommandLineSwitch(keyboard_no_grab).information("Whether not to exclusively grab the keyboard"); | 
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| 63 |  | 
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| 64 |     // Abuse of this source file for the InputHandler | 
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| 65 |     InputHandler InputHandler::EMPTY; | 
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| 66 |  | 
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| 67 |     InputManager* InputManager::singletonPtr_s = 0; | 
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| 68 |  | 
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| 69 |     //! Defines the |= operator for easier use. | 
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| 70 |     inline InputManager::State operator|=(InputManager::State& lval, InputManager::State rval) | 
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| 71 |     { | 
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| 72 |         return (lval = (InputManager::State)(lval | rval)); | 
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| 73 |     } | 
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| 74 |  | 
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| 75 |     //! Defines the &= operator for easier use. | 
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| 76 |     inline InputManager::State operator&=(InputManager::State& lval, int rval) | 
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| 77 |     { | 
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| 78 |         return (lval = (InputManager::State)(lval & rval)); | 
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| 79 |     } | 
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| 80 |  | 
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| 81 |     // ############################################################ | 
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| 82 |     // #####                  Initialisation                  ##### | 
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| 83 |     // ##########                                        ########## | 
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| 84 |     // ############################################################ | 
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| 85 |     InputManager::InputManager() | 
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| 86 |         : internalState_(Bad) | 
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| 87 |         , oisInputManager_(0) | 
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| 88 |         , devices_(2) | 
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| 89 |         , mouseMode_(MouseMode::Nonexclusive) | 
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| 90 |         , emptyState_(0) | 
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| 91 |         , calibratorCallbackHandler_(0) | 
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| 92 |     { | 
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| 93 |         RegisterRootObject(InputManager); | 
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| 94 |  | 
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| 95 |         CCOUT(4) << "Constructing..." << std::endl; | 
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| 96 |  | 
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| 97 |         this->setConfigValues(); | 
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| 98 |  | 
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| 99 |         if (GraphicsManager::getInstance().isFullScreen()) | 
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| 100 |             mouseMode_ = MouseMode::Exclusive; | 
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| 101 |         this->loadDevices(); | 
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| 102 |  | 
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| 103 |         // Lowest priority empty InputState | 
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| 104 |         emptyState_ = createInputState("empty", false, false, InputStatePriority::Empty); | 
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| 105 |         emptyState_->setHandler(&InputHandler::EMPTY); | 
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| 106 |         activeStates_[emptyState_->getPriority()] = emptyState_; | 
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| 107 |  | 
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| 108 |         // Joy stick calibration helper callback | 
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| 109 |         InputState* calibrator = createInputState("calibrator", false, false, InputStatePriority::Calibrator); | 
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| 110 |         calibrator->setHandler(&InputHandler::EMPTY); | 
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| 111 |         calibratorCallbackHandler_ = new InputBuffer(); | 
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| 112 |         calibratorCallbackHandler_->registerListener(this, &InputManager::stopCalibration, '\r', true); | 
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| 113 |         calibrator->setKeyHandler(calibratorCallbackHandler_); | 
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| 114 |  | 
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| 115 |         this->updateActiveStates(); | 
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| 116 |  | 
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| 117 |         // calibrate console command | 
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| 118 |         this->getIdentifier()->addConsoleCommand(createConsoleCommand(createFunctor(&InputManager::calibrate, this), "calibrate"), true); | 
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| 119 |         // reload console command | 
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| 120 |         this->getIdentifier()->addConsoleCommand(createConsoleCommand(createFunctor(&InputManager::reload, this), "reload"), false); | 
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| 121 |  | 
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| 122 |         CCOUT(4) << "Construction complete." << std::endl; | 
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| 123 |         internalState_ = Nothing; | 
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| 124 |     } | 
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| 125 |  | 
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| 126 |     void InputManager::setConfigValues() | 
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| 127 |     { | 
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| 128 |     } | 
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| 129 |  | 
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| 130 |     /** | 
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| 131 |     @brief | 
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| 132 |         Creates the OIS::InputMananger, the keyboard, the mouse and | 
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| 133 |         the joys ticks. If either of the first two fail, this method throws an exception. | 
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| 134 |     @param windowWidth | 
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| 135 |         The width of the render window | 
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| 136 |     @param windowHeight | 
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| 137 |         The height of the render window | 
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| 138 |     */ | 
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| 139 |     void InputManager::loadDevices() | 
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| 140 |     { | 
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| 141 |         CCOUT(4) << "Loading input devices..." << std::endl; | 
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| 142 |  | 
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| 143 |         // When loading the devices they should not already be loaded | 
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| 144 |         assert(internalState_ & Bad); | 
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| 145 |         assert(devices_[InputDeviceEnumerator::Mouse] == 0); | 
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| 146 |         assert(devices_[InputDeviceEnumerator::Keyboard] == 0); | 
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| 147 |         assert(devices_.size() == InputDeviceEnumerator::FirstJoyStick); | 
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| 148 |  | 
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| 149 |         // Fill parameter list | 
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| 150 |         OIS::ParamList paramList; | 
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| 151 |         size_t windowHnd = GraphicsManager::getInstance().getRenderWindowHandle(); | 
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| 152 |         paramList.insert(std::make_pair("WINDOW", multi_cast<std::string>(windowHnd))); | 
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| 153 | #if defined(ORXONOX_PLATFORM_WINDOWS) | 
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| 154 |         paramList.insert(std::make_pair("w32_keyboard", "DISCL_NONEXCLUSIVE")); | 
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| 155 |         paramList.insert(std::make_pair("w32_keyboard", "DISCL_FOREGROUND")); | 
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| 156 |         paramList.insert(std::make_pair("w32_mouse", "DISCL_FOREGROUND")); | 
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| 157 |         if (mouseMode_ == MouseMode::Exclusive || GraphicsManager::getInstance().isFullScreen()) | 
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| 158 |         { | 
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| 159 |             // Disable Windows key plus special keys (like play, stop, next, etc.) | 
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| 160 |             paramList.insert(std::make_pair("w32_keyboard", "DISCL_NOWINKEY")); | 
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| 161 |             paramList.insert(std::make_pair("w32_mouse", "DISCL_EXCLUSIVE")); | 
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| 162 |         } | 
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| 163 |         else | 
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| 164 |             paramList.insert(std::make_pair("w32_mouse", "DISCL_NONEXCLUSIVE")); | 
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| 165 | #elif defined(ORXONOX_PLATFORM_LINUX) | 
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| 166 |         // Enabling this is probably a bad idea, but whenever orxonox crashes, the setting stays on | 
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| 167 |         // Trouble might be that the Pressed event occurs a bit too often... | 
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| 168 |         paramList.insert(std::make_pair("XAutoRepeatOn", "true")); | 
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| 169 |  | 
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| 170 |         if (mouseMode_ == MouseMode::Exclusive || GraphicsManager::getInstance().isFullScreen()) | 
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| 171 |         { | 
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| 172 |             if (CommandLineParser::getValue("keyboard_no_grab").getBool()) | 
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| 173 |                 paramList.insert(std::make_pair("x11_keyboard_grab", "false")); | 
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| 174 |             else | 
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| 175 |                 paramList.insert(std::make_pair("x11_keyboard_grab", "true")); | 
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| 176 |             paramList.insert(std::make_pair("x11_mouse_grab",  "true")); | 
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| 177 |             paramList.insert(std::make_pair("x11_mouse_hide", "true")); | 
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| 178 |         } | 
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| 179 |         else | 
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| 180 |         { | 
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| 181 |             paramList.insert(std::make_pair("x11_keyboard_grab", "false")); | 
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| 182 |             paramList.insert(std::make_pair("x11_mouse_grab",  "false")); | 
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| 183 |             paramList.insert(std::make_pair("x11_mouse_hide", "false")); | 
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| 184 |         } | 
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| 185 | #endif | 
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| 186 |  | 
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| 187 |         try | 
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| 188 |         { | 
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| 189 |             oisInputManager_ = OIS::InputManager::createInputSystem(paramList); | 
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| 190 |             // Exception-safety | 
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| 191 |             Loki::ScopeGuard guard = Loki::MakeGuard(OIS::InputManager::destroyInputSystem, oisInputManager_); | 
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| 192 |             CCOUT(4) << "Created OIS input manager." << std::endl; | 
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| 193 |  | 
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| 194 |             if (oisInputManager_->getNumberOfDevices(OIS::OISKeyboard) > 0) | 
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| 195 |                 devices_[InputDeviceEnumerator::Keyboard] = new Keyboard(InputDeviceEnumerator::Keyboard, oisInputManager_); | 
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| 196 |             else | 
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| 197 |                 ThrowException(InitialisationFailed, "InputManager: No keyboard found, cannot proceed!"); | 
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| 198 |  | 
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| 199 |             // Successful initialisation | 
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| 200 |             guard.Dismiss(); | 
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| 201 |         } | 
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| 202 |         catch (const std::exception& ex) | 
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| 203 |         { | 
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| 204 |             oisInputManager_ = NULL; | 
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| 205 |             internalState_ |= Bad; | 
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| 206 |             ThrowException(InitialisationFailed, "Could not initialise the input system: " << ex.what()); | 
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| 207 |         } | 
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| 208 |  | 
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| 209 |         this->loadMouse(); | 
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| 210 |         this->loadJoySticks(); | 
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| 211 |  | 
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| 212 |         // Reorder states in case some joy sticks were added/removed | 
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| 213 |         this->updateActiveStates(); | 
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| 214 |  | 
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| 215 |         CCOUT(4) << "Input devices loaded." << std::endl; | 
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| 216 |     } | 
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| 217 |  | 
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| 218 |     //! Creates a new orxonox::Mouse | 
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| 219 |     void InputManager::loadMouse() | 
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| 220 |     { | 
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| 221 |         if (oisInputManager_->getNumberOfDevices(OIS::OISMouse) > 0) | 
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| 222 |         { | 
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| 223 |             try | 
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| 224 |             { | 
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| 225 |                 devices_[InputDeviceEnumerator::Mouse] = new Mouse(InputDeviceEnumerator::Mouse, oisInputManager_); | 
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| 226 |             } | 
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| 227 |             catch (const std::exception& ex) | 
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| 228 |             { | 
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| 229 |                 CCOUT(2) << "Warning: Failed to create Mouse:" << ex.what() << std::endl | 
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| 230 |                          << "Proceeding without mouse support." << std::endl; | 
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| 231 |             } | 
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| 232 |         } | 
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| 233 |         else | 
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| 234 |             CCOUT(2) << "Warning: No mouse found! Proceeding without mouse support." << std::endl; | 
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| 235 |     } | 
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| 236 |  | 
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| 237 |     //! Creates as many joy sticks as are available. | 
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| 238 |     void InputManager::loadJoySticks() | 
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| 239 |     { | 
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| 240 |         for (int i = 0; i < oisInputManager_->getNumberOfDevices(OIS::OISJoyStick); i++) | 
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| 241 |         { | 
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| 242 |             try | 
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| 243 |             { | 
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| 244 |                 devices_.push_back(new JoyStick(InputDeviceEnumerator::FirstJoyStick + i, oisInputManager_)); | 
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| 245 |             } | 
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| 246 |             catch (const std::exception& ex) | 
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| 247 |             { | 
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| 248 |                 CCOUT(2) << "Warning: Failed to create joy stick: " << ex.what() << std::endl; | 
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| 249 |             } | 
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| 250 |         } | 
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| 251 |  | 
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| 252 |         // inform all JoyStick Device Number Listeners | 
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| 253 |         std::vector<JoyStick*> joyStickList; | 
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| 254 |         for (unsigned int i = InputDeviceEnumerator::FirstJoyStick; i < devices_.size(); ++i) | 
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| 255 |             joyStickList.push_back(static_cast<JoyStick*>(devices_[i])); | 
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| 256 |         JoyStickQuantityListener::changeJoyStickQuantity(joyStickList); | 
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| 257 |     } | 
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| 258 |  | 
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| 259 |     // ############################################################ | 
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| 260 |     // #####                    Destruction                   ##### | 
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| 261 |     // ##########                                        ########## | 
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| 262 |     // ############################################################ | 
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| 263 |  | 
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| 264 |     InputManager::~InputManager() | 
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| 265 |     { | 
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| 266 |         CCOUT(3) << "Destroying..." << std::endl; | 
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| 267 |  | 
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| 268 |         // Destroy calibrator helper handler and state | 
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| 269 |         this->destroyState("calibrator"); | 
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| 270 |         // Destroy KeyDetector and state | 
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| 271 |         calibratorCallbackHandler_->destroy(); | 
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| 272 |         // destroy the empty InputState | 
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| 273 |         this->destroyStateInternal(this->emptyState_); | 
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| 274 |  | 
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| 275 |         // destroy all user InputStates | 
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| 276 |         while (statesByName_.size() > 0) | 
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| 277 |             this->destroyStateInternal(statesByName_.rbegin()->second); | 
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| 278 |  | 
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| 279 |         if (!(internalState_ & Bad)) | 
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| 280 |             this->destroyDevices(); | 
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| 281 |  | 
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| 282 |         CCOUT(3) << "Destruction complete." << std::endl; | 
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| 283 |     } | 
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| 284 |  | 
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| 285 |     /** | 
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| 286 |     @brief | 
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| 287 |         Destoys all input devices (joy sticks, mouse, keyboard and OIS::InputManager) | 
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| 288 |     @throw | 
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| 289 |         Method does not throw | 
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| 290 |     */ | 
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| 291 |     void InputManager::destroyDevices() | 
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| 292 |     { | 
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| 293 |         CCOUT(4) << "Destroying devices..." << std::endl; | 
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| 294 |  | 
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| 295 |         BOOST_FOREACH(InputDevice*& device, devices_) | 
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| 296 |         { | 
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| 297 |             if (device == NULL) | 
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| 298 |                 continue; | 
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| 299 |             const std::string& className = device->getClassName(); | 
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| 300 |             try | 
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| 301 |             { | 
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| 302 |                 delete device; | 
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| 303 |                 device = 0; | 
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| 304 |                 CCOUT(4) << className << " destroyed." << std::endl; | 
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| 305 |             } | 
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| 306 |             catch (...) | 
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| 307 |             { | 
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| 308 |                 COUT(1) << className << " destruction failed: " << Exception::handleMessage() << std::endl | 
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| 309 |                         << "    Potential resource leak!" << std::endl; | 
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| 310 |             } | 
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| 311 |         } | 
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| 312 |         devices_.resize(InputDeviceEnumerator::FirstJoyStick); | 
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| 313 |  | 
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| 314 |         assert(oisInputManager_ != NULL); | 
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| 315 |         try | 
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| 316 |         { | 
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| 317 |             OIS::InputManager::destroyInputSystem(oisInputManager_); | 
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| 318 |         } | 
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| 319 |         catch (...) | 
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| 320 |         { | 
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| 321 |             COUT(1) << "OIS::InputManager destruction failed" << Exception::handleMessage() << std::endl | 
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| 322 |                     << "    Potential resource leak!" << std::endl; | 
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| 323 |         } | 
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| 324 |         oisInputManager_ = NULL; | 
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| 325 |  | 
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| 326 |         internalState_ |= Bad; | 
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| 327 |         CCOUT(4) << "Destroyed devices." << std::endl; | 
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| 328 |     } | 
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| 329 |  | 
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| 330 |     // ############################################################ | 
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| 331 |     // #####                     Reloading                    ##### | 
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| 332 |     // ##########                                        ########## | 
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| 333 |     // ############################################################ | 
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| 334 |  | 
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| 335 |     void InputManager::reload() | 
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| 336 |     { | 
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| 337 |         if (internalState_ & Ticking) | 
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| 338 |         { | 
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| 339 |             // We cannot destroy OIS right now, because reload was probably | 
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| 340 |             // caused by a user clicking on a GUI item. The stack trace would then | 
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| 341 |             // include an OIS method. So it would be a very bad thing to destroy it.. | 
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| 342 |             internalState_ |= ReloadRequest; | 
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| 343 |         } | 
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| 344 |         else if (internalState_ & Calibrating) | 
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| 345 |             CCOUT(2) << "Warning: Cannot reload input system. Joy sticks are currently being calibrated." << std::endl; | 
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| 346 |         else | 
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| 347 |             reloadInternal(); | 
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| 348 |     } | 
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| 349 |  | 
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| 350 |     //! Internal reload method. Destroys the OIS devices and loads them again. | 
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| 351 |     void InputManager::reloadInternal() | 
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| 352 |     { | 
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| 353 |         CCOUT(3) << "Reloading ..." << std::endl; | 
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| 354 |  | 
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| 355 |         this->destroyDevices(); | 
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| 356 |         this->loadDevices(); | 
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| 357 |  | 
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| 358 |         internalState_ &= ~Bad; | 
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| 359 |         internalState_ &= ~ReloadRequest; | 
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| 360 |         CCOUT(4) << "Reloading complete." << std::endl; | 
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| 361 |     } | 
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| 362 |  | 
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| 363 |     // ############################################################ | 
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| 364 |     // #####                  Runtime Methods                 ##### | 
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| 365 |     // ##########                                        ########## | 
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| 366 |     // ############################################################ | 
|---|
| 367 |  | 
|---|
| 368 |     void InputManager::preUpdate(const Clock& time) | 
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| 369 |     { | 
|---|
| 370 |         if (internalState_ & Bad) | 
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| 371 |             ThrowException(General, "InputManager was not correctly reloaded."); | 
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| 372 |  | 
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| 373 |         else if (internalState_ & ReloadRequest) | 
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| 374 |             reloadInternal(); | 
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| 375 |  | 
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| 376 |         // check for states to leave | 
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| 377 |         if (!stateLeaveRequests_.empty()) | 
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| 378 |         { | 
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| 379 |             for (std::set<InputState*>::iterator it = stateLeaveRequests_.begin(); | 
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| 380 |                 it != stateLeaveRequests_.end(); ++it) | 
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| 381 |             { | 
|---|
| 382 |                 (*it)->left(); | 
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| 383 |                 // just to be sure that the state actually is registered | 
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| 384 |                 assert(statesByName_.find((*it)->getName()) != statesByName_.end()); | 
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| 385 |  | 
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| 386 |                 activeStates_.erase((*it)->getPriority()); | 
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| 387 |                 if ((*it)->getPriority() < InputStatePriority::HighPriority) | 
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| 388 |                     (*it)->setPriority(0); | 
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| 389 |                 updateActiveStates(); | 
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| 390 |             } | 
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| 391 |             stateLeaveRequests_.clear(); | 
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| 392 |         } | 
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| 393 |  | 
|---|
| 394 |         // check for states to enter | 
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| 395 |         if (!stateEnterRequests_.empty()) | 
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| 396 |         { | 
|---|
| 397 |             for (std::set<InputState*>::const_iterator it = stateEnterRequests_.begin(); | 
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| 398 |                 it != stateEnterRequests_.end(); ++it) | 
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| 399 |             { | 
|---|
| 400 |                 // just to be sure that the state actually is registered | 
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| 401 |                 assert(statesByName_.find((*it)->getName()) != statesByName_.end()); | 
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| 402 |  | 
|---|
| 403 |                 if ((*it)->getPriority() == 0) | 
|---|
| 404 |                 { | 
|---|
| 405 |                     // Get smallest possible priority between 1 and maxStateStackSize_s | 
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| 406 |                     for (std::map<int, InputState*>::reverse_iterator rit = activeStates_.rbegin(); | 
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| 407 |                         rit != activeStates_.rend(); ++rit) | 
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| 408 |                     { | 
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| 409 |                         if (rit->first < InputStatePriority::HighPriority) | 
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| 410 |                         { | 
|---|
| 411 |                             (*it)->setPriority(rit->first + 1); | 
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| 412 |                             break; | 
|---|
| 413 |                         } | 
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| 414 |                     } | 
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| 415 |                     // In case no normal handler was on the stack | 
|---|
| 416 |                     if ((*it)->getPriority() == 0) | 
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| 417 |                         (*it)->setPriority(1); | 
|---|
| 418 |                 } | 
|---|
| 419 |                 activeStates_[(*it)->getPriority()] = (*it); | 
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| 420 |                 updateActiveStates(); | 
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| 421 |                 (*it)->entered(); | 
|---|
| 422 |             } | 
|---|
| 423 |             stateEnterRequests_.clear(); | 
|---|
| 424 |         } | 
|---|
| 425 |  | 
|---|
| 426 |         // check for states to destroy | 
|---|
| 427 |         if (!stateDestroyRequests_.empty()) | 
|---|
| 428 |         { | 
|---|
| 429 |             for (std::set<InputState*>::iterator it = stateDestroyRequests_.begin(); | 
|---|
| 430 |                 it != stateDestroyRequests_.end(); ++it) | 
|---|
| 431 |             { | 
|---|
| 432 |                 destroyStateInternal((*it)); | 
|---|
| 433 |             } | 
|---|
| 434 |             stateDestroyRequests_.clear(); | 
|---|
| 435 |         } | 
|---|
| 436 |  | 
|---|
| 437 |         // check whether a state has changed its EMPTY situation | 
|---|
| 438 |         bool bUpdateRequired = false; | 
|---|
| 439 |         for (std::map<int, InputState*>::iterator it = activeStates_.begin(); it != activeStates_.end(); ++it) | 
|---|
| 440 |         { | 
|---|
| 441 |             if (it->second->hasExpired()) | 
|---|
| 442 |             { | 
|---|
| 443 |                 it->second->resetExpiration(); | 
|---|
| 444 |                 bUpdateRequired = true; | 
|---|
| 445 |             } | 
|---|
| 446 |         } | 
|---|
| 447 |         if (bUpdateRequired) | 
|---|
| 448 |             updateActiveStates(); | 
|---|
| 449 |  | 
|---|
| 450 |         // mark that we now start capturing and distributing input | 
|---|
| 451 |         internalState_ |= Ticking; | 
|---|
| 452 |  | 
|---|
| 453 |         // Capture all the input and handle it | 
|---|
| 454 |         BOOST_FOREACH(InputDevice* device, devices_) | 
|---|
| 455 |             if (device != NULL) | 
|---|
| 456 |                 device->update(time); | 
|---|
| 457 |  | 
|---|
| 458 |         // Update the states | 
|---|
| 459 |         for (unsigned int i = 0; i < activeStatesTicked_.size(); ++i) | 
|---|
| 460 |             activeStatesTicked_[i]->update(time.getDeltaTime()); | 
|---|
| 461 |  | 
|---|
| 462 |         internalState_ &= ~Ticking; | 
|---|
| 463 |     } | 
|---|
| 464 |  | 
|---|
| 465 |     /** | 
|---|
| 466 |     @brief | 
|---|
| 467 |         Updates the currently active states (according to activeStates_) for each device. | 
|---|
| 468 |         Also, a list of all active states (no duplicates!) is compiled for the general preUpdate(). | 
|---|
| 469 |     */ | 
|---|
| 470 |     void InputManager::updateActiveStates() | 
|---|
| 471 |     { | 
|---|
| 472 |         assert((internalState_ & InputManager::Ticking) == 0); | 
|---|
| 473 |         // temporary resize | 
|---|
| 474 |         for (unsigned int i = 0; i < devices_.size(); ++i) | 
|---|
| 475 |         { | 
|---|
| 476 |             if (devices_[i] == NULL) | 
|---|
| 477 |                 continue; | 
|---|
| 478 |             std::vector<InputState*>& states = devices_[i]->getStateListRef(); | 
|---|
| 479 |             bool occupied = false; | 
|---|
| 480 |             states.clear(); | 
|---|
| 481 |             for (std::map<int, InputState*>::reverse_iterator rit = activeStates_.rbegin(); rit != activeStates_.rend(); ++rit) | 
|---|
| 482 |             { | 
|---|
| 483 |                 if (rit->second->isInputDeviceEnabled(i) && (!occupied || rit->second->bAlwaysGetsInput_)) | 
|---|
| 484 |                 { | 
|---|
| 485 |                     states.push_back(rit->second); | 
|---|
| 486 |                     if (!rit->second->bTransparent_) | 
|---|
| 487 |                         occupied = true; | 
|---|
| 488 |                 } | 
|---|
| 489 |             } | 
|---|
| 490 |         } | 
|---|
| 491 |  | 
|---|
| 492 |         // update tickables (every state will only appear once) | 
|---|
| 493 |         // Using a std::set to avoid duplicates | 
|---|
| 494 |         std::set<InputState*> tempSet; | 
|---|
| 495 |         for (unsigned int i = 0; i < devices_.size(); ++i) | 
|---|
| 496 |             if (devices_[i] != NULL) | 
|---|
| 497 |                 for (unsigned int iState = 0; iState < devices_[i]->getStateListRef().size(); ++iState) | 
|---|
| 498 |                     tempSet.insert(devices_[i]->getStateListRef()[iState]); | 
|---|
| 499 |  | 
|---|
| 500 |         // copy the content of the std::set back to the actual vector | 
|---|
| 501 |         activeStatesTicked_.clear(); | 
|---|
| 502 |         for (std::set<InputState*>::const_iterator it = tempSet.begin();it != tempSet.end(); ++it) | 
|---|
| 503 |             activeStatesTicked_.push_back(*it); | 
|---|
| 504 |  | 
|---|
| 505 |         // Check whether we have to change the mouse mode | 
|---|
| 506 |         MouseMode::Value requestedMode = MouseMode::Dontcare; | 
|---|
| 507 |         std::vector<InputState*>& mouseStates = devices_[InputDeviceEnumerator::Mouse]->getStateListRef(); | 
|---|
| 508 |         if (mouseStates.empty()) | 
|---|
| 509 |             requestedMode = MouseMode::Nonexclusive; | 
|---|
| 510 |         else | 
|---|
| 511 |             requestedMode = mouseStates.front()->getMouseMode(); | 
|---|
| 512 |         if (requestedMode != MouseMode::Dontcare && mouseMode_ != requestedMode) | 
|---|
| 513 |         { | 
|---|
| 514 |             mouseMode_ = requestedMode; | 
|---|
| 515 |             if (!GraphicsManager::getInstance().isFullScreen()) | 
|---|
| 516 |                 this->reloadInternal(); | 
|---|
| 517 |         } | 
|---|
| 518 |     } | 
|---|
| 519 |  | 
|---|
| 520 |     void InputManager::clearBuffers() | 
|---|
| 521 |     { | 
|---|
| 522 |         BOOST_FOREACH(InputDevice* device, devices_) | 
|---|
| 523 |             if (device != NULL) | 
|---|
| 524 |                 device->clearBuffers(); | 
|---|
| 525 |     } | 
|---|
| 526 |  | 
|---|
| 527 |     void InputManager::calibrate() | 
|---|
| 528 |     { | 
|---|
| 529 |         COUT(0) << "Move all joy stick axes fully in all directions." << std::endl | 
|---|
| 530 |                 << "When done, put the axex in the middle position and press enter." << std::endl; | 
|---|
| 531 |  | 
|---|
| 532 |         BOOST_FOREACH(InputDevice* device, devices_) | 
|---|
| 533 |             if (device != NULL) | 
|---|
| 534 |                 device->startCalibration(); | 
|---|
| 535 |  | 
|---|
| 536 |         internalState_ |= Calibrating; | 
|---|
| 537 |         enterState("calibrator"); | 
|---|
| 538 |     } | 
|---|
| 539 |  | 
|---|
| 540 |     //! Tells all devices to stop the calibration and evaluate it. Buffers are being cleared as well! | 
|---|
| 541 |     void InputManager::stopCalibration() | 
|---|
| 542 |     { | 
|---|
| 543 |         BOOST_FOREACH(InputDevice* device, devices_) | 
|---|
| 544 |             if (device != NULL) | 
|---|
| 545 |                 device->stopCalibration(); | 
|---|
| 546 |  | 
|---|
| 547 |         // restore old input state | 
|---|
| 548 |         leaveState("calibrator"); | 
|---|
| 549 |         internalState_ &= ~Calibrating; | 
|---|
| 550 |         // Clear buffers to prevent button hold events | 
|---|
| 551 |         this->clearBuffers(); | 
|---|
| 552 |  | 
|---|
| 553 |         COUT(0) << "Calibration has been stored." << std::endl; | 
|---|
| 554 |     } | 
|---|
| 555 |  | 
|---|
| 556 |     //! Gets called by WindowEventListener upon focus change --> clear buffers | 
|---|
| 557 |     void InputManager::windowFocusChanged() | 
|---|
| 558 |     { | 
|---|
| 559 |         this->clearBuffers(); | 
|---|
| 560 |     } | 
|---|
| 561 |  | 
|---|
| 562 |     std::pair<int, int> InputManager::getMousePosition() const | 
|---|
| 563 |     { | 
|---|
| 564 |         Mouse* mouse = static_cast<Mouse*>(devices_[InputDeviceEnumerator::Mouse]); | 
|---|
| 565 |         if (mouse != NULL) | 
|---|
| 566 |         { | 
|---|
| 567 |             const OIS::MouseState state = mouse->getOISDevice()->getMouseState(); | 
|---|
| 568 |             return std::make_pair(state.X.abs, state.Y.abs); | 
|---|
| 569 |         } | 
|---|
| 570 |         else | 
|---|
| 571 |             return std::make_pair(0, 0); | 
|---|
| 572 |     } | 
|---|
| 573 |  | 
|---|
| 574 |     // ############################################################ | 
|---|
| 575 |     // #####                    Input States                  ##### | 
|---|
| 576 |     // ##########                                        ########## | 
|---|
| 577 |     // ############################################################ | 
|---|
| 578 |  | 
|---|
| 579 |     InputState* InputManager::createInputState(const std::string& name, bool bAlwaysGetsInput, bool bTransparent, InputStatePriority priority) | 
|---|
| 580 |     { | 
|---|
| 581 |         if (name.empty()) | 
|---|
| 582 |             return 0; | 
|---|
| 583 |         if (statesByName_.find(name) == statesByName_.end()) | 
|---|
| 584 |         { | 
|---|
| 585 |             if (priority >= InputStatePriority::HighPriority || priority == InputStatePriority::Empty) | 
|---|
| 586 |             { | 
|---|
| 587 |                 // Make sure we don't add two high priority states with the same priority | 
|---|
| 588 |                 for (std::map<std::string, InputState*>::const_iterator it = this->statesByName_.begin(); | 
|---|
| 589 |                     it != this->statesByName_.end(); ++it) | 
|---|
| 590 |                 { | 
|---|
| 591 |                     if (it->second->getPriority() == priority) | 
|---|
| 592 |                     { | 
|---|
| 593 |                         COUT(2) << "Warning: Could not add an InputState with the same priority '" | 
|---|
| 594 |                             << static_cast<int>(priority) << "' != 0." << std::endl; | 
|---|
| 595 |                         return 0; | 
|---|
| 596 |                     } | 
|---|
| 597 |                 } | 
|---|
| 598 |             } | 
|---|
| 599 |             InputState* state = new InputState(name, bAlwaysGetsInput, bTransparent, priority); | 
|---|
| 600 |             statesByName_[name] = state; | 
|---|
| 601 |  | 
|---|
| 602 |             return state; | 
|---|
| 603 |         } | 
|---|
| 604 |         else | 
|---|
| 605 |         { | 
|---|
| 606 |             COUT(2) << "Warning: Could not add an InputState with the same name '" << name << "'." << std::endl; | 
|---|
| 607 |             return 0; | 
|---|
| 608 |         } | 
|---|
| 609 |     } | 
|---|
| 610 |  | 
|---|
| 611 |     InputState* InputManager::getState(const std::string& name) | 
|---|
| 612 |     { | 
|---|
| 613 |         std::map<std::string, InputState*>::iterator it = statesByName_.find(name); | 
|---|
| 614 |         if (it != statesByName_.end()) | 
|---|
| 615 |             return it->second; | 
|---|
| 616 |         else | 
|---|
| 617 |             return 0; | 
|---|
| 618 |     } | 
|---|
| 619 |  | 
|---|
| 620 |     bool InputManager::enterState(const std::string& name) | 
|---|
| 621 |     { | 
|---|
| 622 |         // get pointer from the map with all stored handlers | 
|---|
| 623 |         std::map<std::string, InputState*>::const_iterator it = statesByName_.find(name); | 
|---|
| 624 |         if (it != statesByName_.end()) | 
|---|
| 625 |         { | 
|---|
| 626 |             // exists | 
|---|
| 627 |             if (activeStates_.find(it->second->getPriority()) == activeStates_.end()) | 
|---|
| 628 |             { | 
|---|
| 629 |                 // not active | 
|---|
| 630 |                 if (stateDestroyRequests_.find(it->second) == stateDestroyRequests_.end()) | 
|---|
| 631 |                 { | 
|---|
| 632 |                     // not scheduled for destruction | 
|---|
| 633 |                     // prevents a state from being added multiple times | 
|---|
| 634 |                     stateEnterRequests_.insert(it->second); | 
|---|
| 635 |                     return true; | 
|---|
| 636 |                 } | 
|---|
| 637 |             } | 
|---|
| 638 |             else if (this->stateLeaveRequests_.find(it->second) != this->stateLeaveRequests_.end()) | 
|---|
| 639 |             { | 
|---|
| 640 |                 // State already scheduled for leaving --> cancel | 
|---|
| 641 |                 this->stateLeaveRequests_.erase(this->stateLeaveRequests_.find(it->second)); | 
|---|
| 642 |             } | 
|---|
| 643 |         } | 
|---|
| 644 |         return false; | 
|---|
| 645 |     } | 
|---|
| 646 |  | 
|---|
| 647 |     bool InputManager::leaveState(const std::string& name) | 
|---|
| 648 |     { | 
|---|
| 649 |         if (name == "empty") | 
|---|
| 650 |         { | 
|---|
| 651 |             COUT(2) << "InputManager: Leaving the empty state is not allowed!" << std::endl; | 
|---|
| 652 |             return false; | 
|---|
| 653 |         } | 
|---|
| 654 |         // get pointer from the map with all stored handlers | 
|---|
| 655 |         std::map<std::string, InputState*>::const_iterator it = statesByName_.find(name); | 
|---|
| 656 |         if (it != statesByName_.end()) | 
|---|
| 657 |         { | 
|---|
| 658 |             // exists | 
|---|
| 659 |             if (activeStates_.find(it->second->getPriority()) != activeStates_.end()) | 
|---|
| 660 |             { | 
|---|
| 661 |                 // active | 
|---|
| 662 |                 stateLeaveRequests_.insert(it->second); | 
|---|
| 663 |                 return true; | 
|---|
| 664 |             } | 
|---|
| 665 |             else if (this->stateEnterRequests_.find(it->second) != this->stateEnterRequests_.end()) | 
|---|
| 666 |             { | 
|---|
| 667 |                 // State already scheduled for entering --> cancel | 
|---|
| 668 |                 this->stateEnterRequests_.erase(this->stateEnterRequests_.find(it->second)); | 
|---|
| 669 |             } | 
|---|
| 670 |         } | 
|---|
| 671 |         return false; | 
|---|
| 672 |     } | 
|---|
| 673 |  | 
|---|
| 674 |     bool InputManager::destroyState(const std::string& name) | 
|---|
| 675 |     { | 
|---|
| 676 |         if (name == "empty") | 
|---|
| 677 |         { | 
|---|
| 678 |             COUT(2) << "InputManager: Removing the empty state is not allowed!" << std::endl; | 
|---|
| 679 |             return false; | 
|---|
| 680 |         } | 
|---|
| 681 |         std::map<std::string, InputState*>::iterator it = statesByName_.find(name); | 
|---|
| 682 |         if (it != statesByName_.end()) | 
|---|
| 683 |         { | 
|---|
| 684 |             if (activeStates_.find(it->second->getPriority()) != activeStates_.end()) | 
|---|
| 685 |             { | 
|---|
| 686 |                 // The state is still active. We have to postpone | 
|---|
| 687 |                 stateLeaveRequests_.insert(it->second); | 
|---|
| 688 |                 stateDestroyRequests_.insert(it->second); | 
|---|
| 689 |             } | 
|---|
| 690 |             else if (this->internalState_ & Ticking) | 
|---|
| 691 |             { | 
|---|
| 692 |                 // cannot remove state while ticking | 
|---|
| 693 |                 stateDestroyRequests_.insert(it->second); | 
|---|
| 694 |             } | 
|---|
| 695 |             else | 
|---|
| 696 |                 destroyStateInternal(it->second); | 
|---|
| 697 |  | 
|---|
| 698 |             return true; | 
|---|
| 699 |         } | 
|---|
| 700 |         return false; | 
|---|
| 701 |     } | 
|---|
| 702 |  | 
|---|
| 703 |     //! Destroys an InputState internally. | 
|---|
| 704 |     void InputManager::destroyStateInternal(InputState* state) | 
|---|
| 705 |     { | 
|---|
| 706 |         assert(state && !(this->internalState_ & Ticking)); | 
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| 707 |         std::map<int, InputState*>::iterator it = this->activeStates_.find(state->getPriority()); | 
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| 708 |         if (it != this->activeStates_.end()) | 
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| 709 |         { | 
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| 710 |             this->activeStates_.erase(it); | 
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| 711 |             updateActiveStates(); | 
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| 712 |         } | 
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| 713 |         statesByName_.erase(state->getName()); | 
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| 714 |         state->destroy(); | 
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| 715 |     } | 
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| 716 | } | 
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