[12175] | 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 <loki/ScopeGuard.h> |
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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 "core/CoreIncludes.h" |
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| 47 | #include "core/GraphicsManager.h" |
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| 48 | #include "core/config/ConfigValueIncludes.h" |
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| 49 | #include "core/commandline/CommandLineIncludes.h" |
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| 50 | #include "core/command/ConsoleCommandIncludes.h" |
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| 51 | #include "core/command/Functor.h" |
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| 52 | |
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| 53 | #include "InputBuffer.h" |
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| 54 | #include "JoyStick.h" |
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| 55 | #include "JoyStickQuantityListener.h" |
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| 56 | #include "Mouse.h" |
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| 57 | #include "Keyboard.h" |
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| 58 | |
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| 59 | namespace orxonox |
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| 60 | { |
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| 61 | SetCommandLineSwitch(keyboard_no_grab).information("Whether not to exclusively grab the keyboard"); |
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| 62 | |
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| 63 | static const std::string __CC_InputManager_name = "InputManager"; |
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| 64 | static const std::string __CC_calibrate_name = "calibrate"; |
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| 65 | static const std::string __CC_reload_name = "reload"; |
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| 66 | |
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| 67 | SetConsoleCommand(__CC_InputManager_name, __CC_calibrate_name, &InputManager::calibrate).addShortcut(); |
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| 68 | SetConsoleCommand(__CC_InputManager_name, __CC_reload_name, &InputManager::reload ); |
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| 69 | |
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| 70 | // Abuse of this source file for the InputHandler |
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| 71 | InputHandler InputHandler::EMPTY; |
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| 72 | |
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| 73 | InputManager* InputManager::singletonPtr_s = nullptr; |
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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, InputManager::State 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 | //! Defines the &= operator for easier use. |
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| 82 | inline InputManager::State operator&=(InputManager::State& lval, int rval) |
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| 83 | { |
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| 84 | return (lval = (InputManager::State)(lval & rval)); |
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| 85 | } |
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| 86 | |
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| 87 | RegisterAbstractClass(InputManager).inheritsFrom<WindowEventListener>(); |
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| 88 | |
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| 89 | // ############################################################ |
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| 90 | // ##### Initialisation ##### |
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| 91 | // ########## ########## |
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| 92 | // ############################################################ |
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| 93 | InputManager::InputManager() |
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| 94 | : internalState_(Bad) |
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| 95 | , oisInputManager_(nullptr) |
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| 96 | , devices_(2) |
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| 97 | , exclusiveMouse_(false) |
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| 98 | , emptyState_(nullptr) |
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| 99 | , calibratorCallbackHandler_(nullptr) |
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| 100 | { |
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| 101 | RegisterObject(InputManager); |
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| 102 | |
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| 103 | orxout(internal_status, context::input) << "InputManager: Constructing..." << endl; |
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| 104 | |
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| 105 | // Allocate space for the function call buffer |
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| 106 | this->callBuffer_.reserve(16); |
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| 107 | |
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| 108 | this->setConfigValues(); |
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| 109 | |
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| 110 | if (GraphicsManager::getInstance().isFullScreen()) |
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| 111 | exclusiveMouse_ = true; |
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| 112 | this->loadDevices(); |
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| 113 | |
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| 114 | // Lowest priority empty InputState |
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| 115 | emptyState_ = createInputState("empty", false, false, InputStatePriority::Empty); |
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| 116 | emptyState_->setHandler(&InputHandler::EMPTY); |
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| 117 | activeStates_[emptyState_->getPriority()] = emptyState_; |
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| 118 | |
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| 119 | // Joy stick calibration helper callback |
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| 120 | InputState* calibrator = createInputState("calibrator", false, false, InputStatePriority::Calibrator); |
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| 121 | calibrator->setHandler(&InputHandler::EMPTY); |
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| 122 | calibratorCallbackHandler_ = new InputBuffer(); |
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| 123 | calibratorCallbackHandler_->registerListener(this, &InputManager::stopCalibration, '\r', true); |
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| 124 | calibrator->setKeyHandler(calibratorCallbackHandler_); |
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| 125 | |
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| 126 | this->updateActiveStates(); |
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| 127 | |
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| 128 | ModifyConsoleCommand(__CC_InputManager_name, __CC_calibrate_name).setObject(this); |
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| 129 | ModifyConsoleCommand(__CC_InputManager_name, __CC_reload_name).setObject(this); |
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| 130 | |
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| 131 | orxout(internal_status, context::input) << "InputManager: Construction complete." << endl; |
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| 132 | internalState_ = Nothing; |
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| 133 | } |
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| 134 | |
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| 135 | void InputManager::setConfigValues() |
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| 136 | { |
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| 137 | } |
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| 138 | |
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| 139 | /** |
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| 140 | @brief |
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| 141 | Creates the OIS::InputMananger, the keyboard, the mouse and |
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| 142 | the joys ticks. If either of the first two fail, this method throws an exception. |
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| 143 | */ |
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| 144 | void InputManager::loadDevices() |
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| 145 | { |
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| 146 | orxout(verbose, context::input) << "InputManager: Loading input devices..." << endl; |
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| 147 | |
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| 148 | // When loading the devices they should not already be loaded |
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| 149 | assert(internalState_ & Bad); |
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| 150 | assert(devices_[InputDeviceEnumerator::Mouse] == nullptr); |
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| 151 | assert(devices_[InputDeviceEnumerator::Keyboard] == nullptr); |
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| 152 | assert(devices_.size() == InputDeviceEnumerator::FirstJoyStick); |
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| 153 | |
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| 154 | typedef std::pair<std::string, std::string> StringPair; |
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| 155 | |
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| 156 | // Fill parameter list |
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| 157 | OIS::ParamList paramList; |
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| 158 | size_t windowHnd = GraphicsManager::getInstance().getRenderWindowHandle(); |
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| 159 | paramList.insert(StringPair("WINDOW", multi_cast<std::string>(windowHnd))); |
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| 160 | #if defined(ORXONOX_PLATFORM_WINDOWS) |
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| 161 | paramList.insert(StringPair("w32_keyboard", "DISCL_NONEXCLUSIVE")); |
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| 162 | paramList.insert(StringPair("w32_keyboard", "DISCL_FOREGROUND")); |
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| 163 | paramList.insert(StringPair("w32_mouse", "DISCL_FOREGROUND")); |
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| 164 | if (exclusiveMouse_ || GraphicsManager::getInstance().isFullScreen()) |
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| 165 | { |
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| 166 | // Disable Windows key plus special keys (like play, stop, next, etc.) |
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| 167 | paramList.insert(StringPair("w32_keyboard", "DISCL_NOWINKEY")); |
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| 168 | paramList.insert(StringPair("w32_mouse", "DISCL_EXCLUSIVE")); |
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| 169 | } |
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| 170 | else |
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| 171 | paramList.insert(StringPair("w32_mouse", "DISCL_NONEXCLUSIVE")); |
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| 172 | #elif defined(ORXONOX_PLATFORM_LINUX) |
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| 173 | // Enabling this is probably a bad idea, but whenever orxonox crashes, the setting stays on |
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| 174 | // Trouble might be that the Pressed event occurs a bit too often... |
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| 175 | paramList.insert(StringPair("XAutoRepeatOn", "true")); |
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| 176 | |
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| 177 | if (exclusiveMouse_ || GraphicsManager::getInstance().isFullScreen()) |
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| 178 | { |
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| 179 | if (CommandLineParser::getValue("keyboard_no_grab").get<bool>()) |
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| 180 | paramList.insert(StringPair("x11_keyboard_grab", "false")); |
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| 181 | else |
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| 182 | paramList.insert(StringPair("x11_keyboard_grab", "true")); |
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| 183 | paramList.insert(StringPair("x11_mouse_grab", "true")); |
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| 184 | paramList.insert(StringPair("x11_mouse_hide", "true")); |
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| 185 | } |
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| 186 | else |
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| 187 | { |
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| 188 | paramList.insert(StringPair("x11_keyboard_grab", "false")); |
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| 189 | paramList.insert(StringPair("x11_mouse_grab", "false")); |
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| 190 | paramList.insert(StringPair("x11_mouse_hide", "false")); |
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| 191 | } |
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| 192 | #endif |
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| 193 | |
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| 194 | try |
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| 195 | { |
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| 196 | oisInputManager_ = OIS::InputManager::createInputSystem(paramList); |
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| 197 | // Exception-safety |
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| 198 | Loki::ScopeGuard guard = Loki::MakeGuard(OIS::InputManager::destroyInputSystem, oisInputManager_); |
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| 199 | orxout(verbose, context::input) << "Created OIS input manager." << endl; |
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| 200 | |
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| 201 | if (oisInputManager_->getNumberOfDevices(OIS::OISKeyboard) > 0) |
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| 202 | devices_[InputDeviceEnumerator::Keyboard] = new Keyboard(InputDeviceEnumerator::Keyboard, oisInputManager_); |
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| 203 | else |
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| 204 | ThrowException(InitialisationFailed, "InputManager: No keyboard found, cannot proceed!"); |
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| 205 | |
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| 206 | // Successful initialisation |
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| 207 | guard.Dismiss(); |
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| 208 | } |
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| 209 | catch (const std::exception& ex) |
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| 210 | { |
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| 211 | oisInputManager_ = nullptr; |
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| 212 | internalState_ |= Bad; |
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| 213 | ThrowException(InitialisationFailed, "Could not initialise the input system: " << ex.what()); |
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| 214 | } |
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| 215 | |
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| 216 | this->loadMouse(); |
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| 217 | this->loadJoySticks(); |
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| 218 | |
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| 219 | // Reorder states in case some joy sticks were added/removed |
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| 220 | this->updateActiveStates(); |
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| 221 | |
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| 222 | orxout(verbose, context::input) << "Input devices loaded." << endl; |
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| 223 | } |
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| 224 | |
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| 225 | //! Creates a new orxonox::Mouse |
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| 226 | void InputManager::loadMouse() |
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| 227 | { |
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| 228 | if (oisInputManager_->getNumberOfDevices(OIS::OISMouse) > 0) |
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| 229 | { |
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| 230 | try |
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| 231 | { |
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| 232 | devices_[InputDeviceEnumerator::Mouse] = new Mouse(InputDeviceEnumerator::Mouse, oisInputManager_); |
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| 233 | } |
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| 234 | catch (const std::exception& ex) |
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| 235 | { |
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| 236 | orxout(user_warning, context::input) << "Failed to create Mouse:" << ex.what() << '\n' |
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| 237 | << "Proceeding without mouse support." << endl; |
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| 238 | } |
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| 239 | } |
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| 240 | else |
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| 241 | orxout(user_warning, context::input) << "No mouse found! Proceeding without mouse support." << endl; |
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| 242 | } |
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| 243 | |
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| 244 | //! Creates as many joy sticks as are available. |
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| 245 | void InputManager::loadJoySticks() |
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| 246 | { |
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| 247 | for (int i = 0; i < oisInputManager_->getNumberOfDevices(OIS::OISJoyStick); i++) |
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| 248 | { |
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| 249 | try |
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| 250 | { |
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| 251 | devices_.push_back(new JoyStick(InputDeviceEnumerator::FirstJoyStick + i, oisInputManager_)); |
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| 252 | } |
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| 253 | catch (const std::exception& ex) |
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| 254 | { |
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| 255 | orxout(user_warning, context::input) << "Failed to create joy stick: " << ex.what() << endl; |
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| 256 | } |
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| 257 | } |
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| 258 | |
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| 259 | // inform all JoyStick Device Number Listeners |
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| 260 | std::vector<JoyStick*> joyStickList; |
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| 261 | for (unsigned int i = InputDeviceEnumerator::FirstJoyStick; i < devices_.size(); ++i) |
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| 262 | joyStickList.push_back(static_cast<JoyStick*>(devices_[i])); |
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| 263 | JoyStickQuantityListener::changeJoyStickQuantity(joyStickList); |
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| 264 | } |
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| 265 | |
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| 266 | // ############################################################ |
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| 267 | // ##### Destruction ##### |
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| 268 | // ########## ########## |
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| 269 | // ############################################################ |
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| 270 | |
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| 271 | InputManager::~InputManager() |
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| 272 | { |
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| 273 | orxout(internal_status, context::input) << "InputManager: Destroying..." << endl; |
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| 274 | |
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| 275 | // Leave all active InputStates (except "empty") |
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| 276 | while (this->activeStates_.size() > 1) |
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| 277 | this->leaveState(this->activeStates_.rbegin()->second->getName()); |
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| 278 | this->activeStates_.clear(); |
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| 279 | |
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| 280 | // Destroy calibrator helper handler and state |
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| 281 | this->destroyState("calibrator"); |
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| 282 | // Destroy KeyDetector and state |
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| 283 | delete calibratorCallbackHandler_; |
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| 284 | // Destroy the empty InputState |
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| 285 | this->destroyStateInternal(this->emptyState_); |
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| 286 | |
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| 287 | // Destroy all user InputStates |
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| 288 | while (statesByName_.size() > 0) |
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| 289 | this->destroyStateInternal(statesByName_.rbegin()->second); |
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| 290 | |
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| 291 | if (!(internalState_ & Bad)) |
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| 292 | this->destroyDevices(); |
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| 293 | |
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| 294 | // Reset console commands |
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| 295 | ModifyConsoleCommand(__CC_InputManager_name, __CC_calibrate_name).setObject(nullptr); |
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| 296 | ModifyConsoleCommand(__CC_InputManager_name, __CC_reload_name).setObject(nullptr); |
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| 297 | |
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| 298 | orxout(internal_status, context::input) << "InputManager: Destruction complete." << endl; |
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| 299 | } |
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| 300 | |
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| 301 | /** |
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| 302 | @brief |
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| 303 | Destoys all input devices (joy sticks, mouse, keyboard and OIS::InputManager) |
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| 304 | @throw |
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| 305 | Method does not throw |
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| 306 | */ |
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| 307 | void InputManager::destroyDevices() |
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| 308 | { |
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| 309 | orxout(verbose, context::input) << "InputManager: Destroying devices..." << endl; |
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| 310 | |
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| 311 | for (InputDevice*& device : devices_) |
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| 312 | { |
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| 313 | if (device == nullptr) |
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| 314 | continue; |
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| 315 | const std::string& className = device->getClassName(); |
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| 316 | delete device; |
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| 317 | device = nullptr; |
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| 318 | orxout(verbose, context::input) << className << " destroyed." << endl; |
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| 319 | } |
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| 320 | devices_.resize(InputDeviceEnumerator::FirstJoyStick); |
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| 321 | |
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| 322 | assert(oisInputManager_ != nullptr); |
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| 323 | try |
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| 324 | { |
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| 325 | OIS::InputManager::destroyInputSystem(oisInputManager_); |
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| 326 | } |
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| 327 | catch (const OIS::Exception& ex) |
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| 328 | { |
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| 329 | orxout(internal_error, context::input) << "OIS::InputManager destruction failed" << ex.eText << '\n' |
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| 330 | << "Potential resource leak!" << endl; |
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| 331 | } |
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| 332 | oisInputManager_ = nullptr; |
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| 333 | |
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| 334 | internalState_ |= Bad; |
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| 335 | orxout(verbose, context::input) << "Destroyed devices." << endl; |
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| 336 | } |
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| 337 | |
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| 338 | // ############################################################ |
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| 339 | // ##### Reloading ##### |
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| 340 | // ########## ########## |
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| 341 | // ############################################################ |
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| 342 | |
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| 343 | void InputManager::reload() |
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| 344 | { |
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| 345 | if (internalState_ & Calibrating) |
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| 346 | orxout(internal_warning, context::input) << "Cannot reload input system. Joy sticks are currently being calibrated." << endl; |
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| 347 | else |
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| 348 | reloadInternal(); |
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| 349 | } |
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| 350 | |
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| 351 | //! Internal reload method. Destroys the OIS devices and loads them again. |
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| 352 | void InputManager::reloadInternal() |
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| 353 | { |
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| 354 | orxout(verbose, context::input) << "InputManager: Reloading ..." << endl; |
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| 355 | |
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| 356 | this->destroyDevices(); |
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| 357 | this->loadDevices(); |
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| 358 | |
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| 359 | internalState_ &= ~Bad; |
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| 360 | orxout(verbose, context::input) << "InputManager: Reloading complete." << 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 | // ############################################################ |
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| 367 | |
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| 368 | void InputManager::preUpdate(const Clock& time) |
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| 369 | { |
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| 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 | // check whether a state has changed its EMPTY situation |
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| 374 | bool bUpdateRequired = false; |
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| 375 | for (const auto& mapEntry : activeStates_) |
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| 376 | { |
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| 377 | if (mapEntry.second->hasExpired()) |
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| 378 | { |
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| 379 | mapEntry.second->resetExpiration(); |
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| 380 | bUpdateRequired = true; |
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| 381 | } |
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| 382 | } |
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| 383 | if (bUpdateRequired) |
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| 384 | updateActiveStates(); |
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| 385 | |
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| 386 | // Capture all the input and collect the function calls |
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| 387 | // No event gets triggered here yet! |
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| 388 | for (InputDevice* device : devices_) |
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| 389 | if (device != nullptr) |
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| 390 | device->update(time); |
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| 391 | |
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| 392 | // Collect function calls for the update |
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| 393 | for (InputState* state : activeStatesTicked_) |
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| 394 | state->update(time.getDeltaTime()); |
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| 395 | |
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| 396 | // Execute all cached function calls in order |
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| 397 | // Why so complicated? The problem is that an InputHandler could trigger |
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| 398 | // a reload that would destroy the OIS devices or it could even leave and |
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| 399 | // then destroy its own InputState. That would of course lead to access |
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| 400 | // violations. |
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| 401 | // If we delay the calls, then OIS and and the InputStates are not anymore |
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| 402 | // in the call stack and can therefore be edited. |
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| 403 | for (auto& function : this->callBuffer_) |
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| 404 | function(); |
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| 405 | |
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| 406 | this->callBuffer_.clear(); |
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| 407 | } |
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| 408 | |
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| 409 | /** |
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| 410 | @brief |
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| 411 | Updates the currently active states (according to activeStates_) for each device. |
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| 412 | Also, a list of all active states (no duplicates!) is compiled for the general preUpdate(). |
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| 413 | */ |
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| 414 | void InputManager::updateActiveStates() |
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| 415 | { |
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| 416 | // Calculate the stack of input states |
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| 417 | // and assign it to the corresponding device |
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| 418 | for (unsigned int i = 0; i < devices_.size(); ++i) |
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| 419 | { |
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| 420 | if (devices_[i] == nullptr) |
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| 421 | continue; |
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| 422 | std::vector<InputState*>& states = devices_[i]->getStateListRef(); |
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| 423 | bool occupied = false; |
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| 424 | states.clear(); |
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| 425 | for (std::map<int, InputState*>::reverse_iterator rit = activeStates_.rbegin(); rit != activeStates_.rend(); ++rit) |
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| 426 | { |
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| 427 | if (rit->second->isInputDeviceEnabled(i) && (!occupied || rit->second->bAlwaysGetsInput_)) |
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| 428 | { |
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| 429 | states.push_back(rit->second); |
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| 430 | if (!rit->second->bTransparent_) |
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| 431 | occupied = true; |
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| 432 | } |
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| 433 | } |
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| 434 | } |
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| 435 | |
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| 436 | // See that we only update each InputState once for each device |
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| 437 | // Using an std::set to avoid duplicates |
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| 438 | std::set<InputState*> tempSet; |
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| 439 | for (InputDevice* device : devices_) |
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| 440 | if (device != nullptr) |
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| 441 | for (unsigned int iState = 0; iState < device->getStateListRef().size(); ++iState) |
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| 442 | tempSet.insert(device->getStateListRef()[iState]); |
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| 443 | |
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| 444 | // Copy the content of the std::set back to the actual vector |
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| 445 | activeStatesTicked_.clear(); |
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| 446 | for (InputState* state : tempSet) |
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| 447 | activeStatesTicked_.push_back(state); |
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| 448 | |
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| 449 | // Check whether we have to change the mouse mode |
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| 450 | tribool requestedMode = dontcare; |
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| 451 | std::vector<InputState*>& mouseStates = devices_[InputDeviceEnumerator::Mouse]->getStateListRef(); |
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| 452 | if (mouseStates.empty()) |
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| 453 | requestedMode = false; |
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| 454 | else |
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| 455 | requestedMode = mouseStates.front()->getMouseExclusive(); |
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| 456 | if (requestedMode != dontcare && exclusiveMouse_ != requestedMode) |
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| 457 | { |
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| 458 | assert(requestedMode != dontcare); |
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| 459 | exclusiveMouse_ = (requestedMode == true); |
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| 460 | if (!GraphicsManager::getInstance().isFullScreen()) |
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| 461 | this->reloadInternal(); |
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| 462 | } |
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| 463 | } |
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| 464 | |
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| 465 | void InputManager::clearBuffers() |
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| 466 | { |
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| 467 | for (InputDevice* device : devices_) |
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| 468 | if (device != nullptr) |
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| 469 | device->clearBuffers(); |
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| 470 | } |
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| 471 | |
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| 472 | void InputManager::calibrate() |
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| 473 | { |
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| 474 | orxout(message) << "Move all joy stick axes fully in all directions." << '\n' |
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| 475 | << "When done, put the axex in the middle position and press enter." << endl; |
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| 476 | |
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| 477 | for (InputDevice* device : devices_) |
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| 478 | if (device != nullptr) |
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| 479 | device->startCalibration(); |
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| 480 | |
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| 481 | internalState_ |= Calibrating; |
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| 482 | enterState("calibrator"); |
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| 483 | } |
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| 484 | |
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| 485 | //! Tells all devices to stop the calibration and evaluate it. Buffers are being cleared as well! |
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| 486 | void InputManager::stopCalibration() |
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| 487 | { |
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| 488 | for (InputDevice* device : devices_) |
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| 489 | if (device != nullptr) |
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| 490 | device->stopCalibration(); |
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| 491 | |
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| 492 | // restore old input state |
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| 493 | leaveState("calibrator"); |
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| 494 | internalState_ &= ~Calibrating; |
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| 495 | // Clear buffers to prevent button hold events |
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| 496 | this->clearBuffers(); |
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| 497 | |
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| 498 | orxout(message) << "Calibration has been stored." << endl; |
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| 499 | } |
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| 500 | |
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| 501 | //! Gets called by WindowEventListener upon focus change --> clear buffers |
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| 502 | void InputManager::windowFocusChanged(bool bFocus) |
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| 503 | { |
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| 504 | this->clearBuffers(); |
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| 505 | } |
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| 506 | |
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| 507 | std::pair<int, int> InputManager::getMousePosition() const |
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| 508 | { |
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| 509 | Mouse* mouse = static_cast<Mouse*>(devices_[InputDeviceEnumerator::Mouse]); |
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| 510 | if (mouse != nullptr) |
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| 511 | { |
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| 512 | const OIS::MouseState state = mouse->getOISDevice()->getMouseState(); |
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| 513 | return std::make_pair(state.X.abs, state.Y.abs); |
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| 514 | } |
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| 515 | else |
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| 516 | return std::make_pair(0, 0); |
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| 517 | } |
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| 518 | |
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| 519 | // ############################################################ |
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| 520 | // ##### Input States ##### |
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| 521 | // ########## ########## |
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| 522 | // ############################################################ |
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| 523 | |
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| 524 | InputState* InputManager::createInputState(const std::string& name, bool bAlwaysGetsInput, bool bTransparent, InputStatePriority priority) |
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| 525 | { |
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| 526 | if (name.empty()) |
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| 527 | return nullptr; |
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| 528 | if (statesByName_.find(name) == statesByName_.end()) |
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| 529 | { |
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| 530 | if (priority >= InputStatePriority::HighPriority || priority == InputStatePriority::Empty) |
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| 531 | { |
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| 532 | // Make sure we don't add two high priority states with the same priority |
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| 533 | for (const auto& mapEntry : this->statesByName_) |
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| 534 | { |
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| 535 | if (mapEntry.second->getPriority() == priority) |
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| 536 | { |
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| 537 | orxout(internal_warning, context::input) << "Could not add an InputState with the same priority '" |
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| 538 | << static_cast<int>(priority) << "' != 0." << endl; |
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| 539 | return nullptr; |
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| 540 | } |
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| 541 | } |
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| 542 | } |
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| 543 | InputState* state = new InputState(name, bAlwaysGetsInput, bTransparent, priority); |
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| 544 | statesByName_[name] = state; |
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| 545 | |
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| 546 | return state; |
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| 547 | } |
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| 548 | else |
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| 549 | { |
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| 550 | orxout(internal_warning, context::input) << "Could not add an InputState with the same name '" << name << "'." << endl; |
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| 551 | return nullptr; |
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| 552 | } |
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| 553 | } |
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| 554 | |
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| 555 | InputState* InputManager::getState(const std::string& name) |
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| 556 | { |
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| 557 | std::map<std::string, InputState*>::iterator it = statesByName_.find(name); |
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| 558 | if (it != statesByName_.end()) |
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| 559 | return it->second; |
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| 560 | else |
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| 561 | return nullptr; |
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| 562 | } |
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| 563 | |
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| 564 | bool InputManager::enterState(const std::string& name) |
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| 565 | { |
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| 566 | // get pointer from the map with all stored handlers |
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| 567 | std::map<std::string, InputState*>::const_iterator it = statesByName_.find(name); |
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| 568 | if (it != statesByName_.end() && activeStates_.find(it->second->getPriority()) == activeStates_.end()) |
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| 569 | { |
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| 570 | // exists and not active |
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| 571 | if (it->second->getPriority() == 0) |
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| 572 | { |
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| 573 | // Get smallest possible priority between 1 and maxStateStackSize_s |
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| 574 | for (std::map<int, InputState*>::reverse_iterator rit = activeStates_.rbegin(); |
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| 575 | rit != activeStates_.rend(); ++rit) |
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| 576 | { |
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| 577 | if (rit->first < InputStatePriority::HighPriority) |
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| 578 | { |
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| 579 | it->second->setPriority(rit->first + 1); |
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| 580 | break; |
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| 581 | } |
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| 582 | } |
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| 583 | // In case no normal handler was on the stack |
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| 584 | if (it->second->getPriority() == 0) |
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| 585 | it->second->setPriority(1); |
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| 586 | } |
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| 587 | activeStates_[it->second->getPriority()] = it->second; |
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| 588 | updateActiveStates(); |
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| 589 | it->second->entered(); |
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| 590 | |
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| 591 | return true; |
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| 592 | } |
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| 593 | return false; |
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| 594 | } |
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| 595 | |
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| 596 | bool InputManager::leaveState(const std::string& name) |
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| 597 | { |
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| 598 | if (name == "empty") |
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| 599 | { |
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| 600 | orxout(internal_warning, context::input) << "InputManager: Leaving the empty state is not allowed!" << endl; |
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| 601 | return false; |
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| 602 | } |
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| 603 | // get pointer from the map with all stored handlers |
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| 604 | std::map<std::string, InputState*>::const_iterator it = statesByName_.find(name); |
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| 605 | if (it != statesByName_.end() && activeStates_.find(it->second->getPriority()) != activeStates_.end()) |
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| 606 | { |
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| 607 | // exists and active |
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| 608 | |
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| 609 | it->second->left(); |
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| 610 | |
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| 611 | activeStates_.erase(it->second->getPriority()); |
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| 612 | if (it->second->getPriority() < InputStatePriority::HighPriority) |
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| 613 | it->second->setPriority(0); |
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| 614 | updateActiveStates(); |
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| 615 | |
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| 616 | return true; |
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| 617 | } |
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| 618 | return false; |
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| 619 | } |
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| 620 | |
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| 621 | bool InputManager::destroyState(const std::string& name) |
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| 622 | { |
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| 623 | if (name == "empty") |
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| 624 | { |
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| 625 | orxout(internal_warning, context::input) << "InputManager: Removing the empty state is not allowed!" << endl; |
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| 626 | return false; |
---|
| 627 | } |
---|
| 628 | std::map<std::string, InputState*>::iterator it = statesByName_.find(name); |
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| 629 | if (it != statesByName_.end()) |
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| 630 | { |
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| 631 | this->leaveState(name); |
---|
| 632 | destroyStateInternal(it->second); |
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| 633 | |
---|
| 634 | return true; |
---|
| 635 | } |
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| 636 | return false; |
---|
| 637 | } |
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| 638 | |
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| 639 | //! Destroys an InputState internally. |
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| 640 | void InputManager::destroyStateInternal(InputState* state) |
---|
| 641 | { |
---|
| 642 | assert(state && this->activeStates_.find(state->getPriority()) == this->activeStates_.end()); |
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| 643 | statesByName_.erase(state->getName()); |
---|
| 644 | delete state; |
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| 645 | } |
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| 646 | |
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| 647 | bool InputManager::setMouseExclusive(const std::string& name, tribool value) |
---|
| 648 | { |
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| 649 | if (name == "empty") |
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| 650 | { |
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| 651 | orxout(internal_warning, context::input) << "InputManager: Changing the empty state is not allowed!" << endl; |
---|
| 652 | return false; |
---|
| 653 | } |
---|
| 654 | std::map<std::string, InputState*>::iterator it = statesByName_.find(name); |
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| 655 | if (it != statesByName_.end()) |
---|
| 656 | { |
---|
| 657 | it->second->setMouseExclusive(value); |
---|
| 658 | return true; |
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| 659 | } |
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| 660 | return false; |
---|
| 661 | } |
---|
| 662 | } |
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