[692] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 |
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| 26 | #include "OgreWin32Input.h"
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| 27 | #ifndef OGRE_NO_DX_INPUT
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| 28 | #ifdef DX7INPUTONLY
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| 29 |
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| 30 | #include "OgreRenderWindow.h"
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| 31 | #include "OgreLogManager.h"
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| 32 | #include "OgreException.h"
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| 33 | #include "OgreRoot.h"
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| 34 | #include "OgreRenderSystem.h"
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| 35 |
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| 36 | #define DINPUT_BUFFERSIZE 64
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| 37 |
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| 38 | namespace Ogre {
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| 39 | //-----------------------------------------------------------------------
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| 40 | Win32Input::Win32Input() :
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| 41 | InputReader()
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| 42 | {
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| 43 | mlpDI = 0;
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| 44 | mlpDIKeyboard = 0;
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| 45 | mlpDIMouse = 0;
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| 46 |
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| 47 | memset(mKeyboardBuffer,0,256);
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| 48 |
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| 49 |
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| 50 | }
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| 51 | //-----------------------------------------------------------------------
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| 52 | Win32Input::~Win32Input()
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| 53 | {
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| 54 | // Shutdown
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| 55 | if (mlpDIKeyboard)
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| 56 | {
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| 57 | mlpDIKeyboard->Unacquire();
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| 58 | mlpDIKeyboard->Release();
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| 59 | mlpDIKeyboard = 0;
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| 60 | }
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| 61 | if (mlpDIMouse)
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| 62 | {
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| 63 | mlpDIMouse->Unacquire();
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| 64 | mlpDIMouse->Release();
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| 65 | mlpDIMouse = 0;
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| 66 | }
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| 67 | if (mlpDI)
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| 68 | {
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| 69 | mlpDI->Release();
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| 70 | mlpDI = 0;
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| 71 | }
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| 72 |
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| 73 | }
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| 74 |
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| 75 | //-----------------------------------------------------------------------
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| 76 | void Win32Input::initialise(RenderWindow* pWindow, bool useKeyboard, bool useMouse, bool useGameController)
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| 77 | {
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| 78 | HRESULT hr;
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| 79 |
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| 80 | LogManager::getSingleton().logMessage("Win32Input: DirectInput Activation Starts");
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| 81 |
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| 82 | // Get HINST
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| 83 | HINSTANCE hInst = GetModuleHandle(OGRE_PLATFORM_LIB);
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| 84 |
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| 85 |
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| 86 | // Get HWND
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| 87 | HWND hWnd;
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| 88 | //pWindow->getCustomAttribute("HWND", &hWnd);
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| 89 | // Decouple from Win32Window
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| 90 | hWnd = GetActiveWindow();
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| 91 |
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| 92 | mHWnd = hWnd;
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| 93 | RECT rect;
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| 94 | GetClientRect(mHWnd, &rect);
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| 95 | mMouseCenterX = (rect.right - rect.left) / 2;
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| 96 | mMouseCenterY = (rect.bottom - rect.top) / 2;
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| 97 | POINT p;
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| 98 | p.x = mMouseCenterX;
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| 99 | p.y = mMouseCenterY;
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| 100 | ClientToScreen(mHWnd, &p);
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| 101 | SetCursorPos(p.x, p.y);
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| 102 | // hide cursor
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| 103 | ShowCursor(FALSE);
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| 104 |
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| 105 |
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| 106 |
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| 107 | // Create direct input
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| 108 | hr = DirectInputCreateEx(hInst, DIRECTINPUT_VERSION,
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| 109 | IID_IDirectInput7, (void**)&mlpDI, NULL);
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| 110 |
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| 111 | if (FAILED(hr))
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| 112 | throw Exception(hr, "Unable to initialise DirectInput.",
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| 113 | "Win32Input - initialise");
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| 114 |
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| 115 | if (useKeyboard)
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| 116 | {
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| 117 | LogManager::getSingleton().logMessage("Win32Input: Establishing keyboard input.");
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| 118 |
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| 119 | // Create keyboard device
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| 120 | hr = mlpDI->CreateDeviceEx(GUID_SysKeyboard, IID_IDirectInputDevice7,
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| 121 | (void**)&mlpDIKeyboard, NULL);
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| 122 |
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| 123 |
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| 124 | if (FAILED(hr))
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| 125 | throw Exception(hr, "Unable to create DirectInput keyboard device.",
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| 126 | "Win32Input - initialise");
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| 127 |
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| 128 | // Set data format
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| 129 | hr = mlpDIKeyboard->SetDataFormat(&c_dfDIKeyboard);
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| 130 | if (FAILED(hr))
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| 131 | throw Exception(hr, "Unable to set DirectInput keyboard device data format.",
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| 132 | "Win32Input - initialise");
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| 133 |
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| 134 | // Make the window grab keyboard behaviour when foreground
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| 135 | // NB Keyboard is never exclusive
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| 136 | hr = mlpDIKeyboard->SetCooperativeLevel(hWnd,
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| 137 | DISCL_BACKGROUND | DISCL_NONEXCLUSIVE);
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| 138 | if (FAILED(hr))
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| 139 | throw Exception(hr, "Unable to set DirectInput keyboard device co-operative level.",
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| 140 | "Win32Input - initialise");
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| 141 |
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| 142 |
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| 143 | // Acquire input
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| 144 | hr = mlpDIKeyboard->Acquire();
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| 145 | if (FAILED(hr))
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| 146 | throw Exception(hr, "Unable to set aquire DirectInput keyboard device.",
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| 147 | "Win32Input - initialise");
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| 148 |
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| 149 | LogManager::getSingleton().logMessage("Win32Input: Keyboard input established.");
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| 150 | }
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| 151 | if (useMouse)
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| 152 | {
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| 153 | /* don't use DI
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| 154 | LogManager::getSingleton().logMessage("Win32Input: Establishing mouse input.");
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| 155 |
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| 156 | // Create mouse device
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| 157 | hr = mlpDI->CreateDeviceEx(GUID_SysMouse, IID_IDirectInputDevice7,
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| 158 | (void**)&mlpDIMouse, NULL);
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| 159 |
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| 160 |
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| 161 | if (FAILED(hr))
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| 162 | throw Exception(hr, "Unable to create DirectInput mouse device.",
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| 163 | "Win32Input - initialise");
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| 164 |
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| 165 | // Set data format
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| 166 | hr = mlpDIMouse->SetDataFormat(&c_dfDIMouse);
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| 167 | if (FAILED(hr))
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| 168 | throw Exception(hr, "Unable to set DirectInput mouse device data format.",
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| 169 | "Win32Input - initialise");
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| 170 |
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| 171 | // Make the window grab mouse behaviour when foreground
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| 172 | hr = mlpDIMouse->SetCooperativeLevel(hWnd,
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| 173 | DISCL_BACKGROUND | DISCL_NONEXCLUSIVE);
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| 174 | if (FAILED(hr))
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| 175 | throw Exception(hr, "Unable to set DirectInput mouse device co-operative level.",
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| 176 | "Win32Input - initialise");
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| 177 |
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| 178 | // Acquire input
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| 179 | hr = mlpDIKeyboard->Acquire();
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| 180 | if (FAILED(hr))
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| 181 | throw Exception(hr, "Unable to set aquire DirectInput mouse device.",
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| 182 | "Win32Input - initialise");
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| 183 |
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| 184 | LogManager::getSingleton().logMessage("Win32Input: Mouse input established.");
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| 185 | */
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| 186 |
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| 187 | }
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| 188 |
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| 189 |
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| 190 | LogManager::getSingleton().logMessage("Win32Input: DirectInput OK.(**** YES !!!, the old version using DX7****)");
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| 191 |
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| 192 | }
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| 193 |
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| 194 | //-----------------------------------------------------------------------
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| 195 | void Win32Input::capture(void)
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| 196 | {
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| 197 |
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| 198 | HRESULT hr;
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| 199 |
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| 200 | // Get keyboard state
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| 201 | hr = mlpDIKeyboard->GetDeviceState(256,(LPVOID)&mKeyboardBuffer);
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| 202 | if (hr == DIERR_INPUTLOST || hr == DIERR_NOTACQUIRED)
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| 203 | {
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| 204 | hr = mlpDIKeyboard->Acquire();
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| 205 | if (hr == DIERR_OTHERAPPHASPRIO)
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| 206 | {
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| 207 | hr = 0;
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| 208 | }
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| 209 | else
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| 210 | {
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| 211 | hr = mlpDIKeyboard->GetDeviceState(256,(LPVOID)&mKeyboardBuffer);
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| 212 | }
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| 213 | }
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| 214 | else if (hr == DIERR_OTHERAPPHASPRIO)
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| 215 | {
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| 216 | // We've gone into the background - ignore
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| 217 | hr = 0;
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| 218 | }
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| 219 | else if (hr == DIERR_NOTINITIALIZED)
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| 220 | {
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| 221 | hr = 0;
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| 222 | }
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| 223 | else if (hr == E_PENDING)
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| 224 | {
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| 225 | hr = 0;
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| 226 | }
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| 227 | else if (FAILED(hr))
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| 228 | {
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| 229 | // Ignore for now
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| 230 | // TODO - sort this out
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| 231 | hr = 0;
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| 232 | }
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| 233 |
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| 234 | /*
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| 235 | DIMOUSESTATE diMouseState;
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| 236 |
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| 237 | if (mlpDIMouse)
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| 238 | {
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| 239 | hr = mlpDIMouse->GetDeviceState(sizeof(DIMOUSESTATE),(LPVOID)&diMouseState);
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| 240 | if (hr == DIERR_INPUTLOST || hr == DIERR_NOTACQUIRED)
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| 241 | {
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| 242 | hr = mlpDIMouse->Acquire();
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| 243 | if (hr == DIERR_OTHERAPPHASPRIO)
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| 244 | {
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| 245 | hr = 0;
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| 246 | }
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| 247 | else
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| 248 | {
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| 249 | hr = mlpDIKeyboard->GetDeviceState(sizeof(DIMOUSESTATE),(LPVOID)&diMouseState);
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| 250 | }
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| 251 | }
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| 252 | else if (hr == DIERR_OTHERAPPHASPRIO)
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| 253 | {
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| 254 | // We've gone into the background - ignore
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| 255 | hr = 0;
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| 256 | }
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| 257 | else if (hr == DIERR_NOTINITIALIZED)
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| 258 | {
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| 259 | hr = 0;
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| 260 | }
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| 261 | else if (hr == E_PENDING)
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| 262 | {
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| 263 | hr = 0;
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| 264 | }
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| 265 | else if (FAILED(hr))
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| 266 | {
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| 267 | // Ignore for now
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| 268 | // TODO - sort this out
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| 269 | hr = 0;
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| 270 | }
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| 271 | else
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| 272 | {
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| 273 | mMouseRelX = diMouseState.lX;
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| 274 | mMouseRelY = diMouseState.lY;
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| 275 |
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| 276 | }
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| 277 | }
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| 278 | */
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| 279 | /*
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| 280 | Only update mouse position if the window has the focus
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| 281 | */
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| 282 | if( mHWnd == GetForegroundWindow() )
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| 283 | {
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| 284 | POINT p;
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| 285 | GetCursorPos(&p);
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| 286 | ScreenToClient(mHWnd,&p);
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| 287 | mMouseX = (Real)p.x;
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| 288 | mMouseY = (Real)p.y;
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| 289 | p.x = mMouseCenterX;
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| 290 | p.y = mMouseCenterY;
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| 291 | ClientToScreen(mHWnd, &p);
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| 292 | if( IsWindowVisible( mHWnd ) )
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| 293 | SetCursorPos(p.x, p.y);
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| 294 | }
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| 295 | }
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| 296 | //-----------------------------------------------------------------------
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| 297 | bool Win32Input::isKeyDownImmediate(KeyCode kc) const
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| 298 | {
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| 299 | if (mKeyboardBuffer[kc] & 0x80)
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| 300 | {
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| 301 | return true;
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| 302 | }
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| 303 | else
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| 304 | {
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| 305 | return false;
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| 306 | }
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| 307 | }
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| 308 |
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| 309 | //-----------------------------------------------------------------------
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| 310 | long Win32Input::getMouseRelX(void) const
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| 311 | {
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| 312 | return (long)(mMouseX - mMouseCenterX);
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| 313 | }
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| 314 | //-----------------------------------------------------------------------
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| 315 | long Win32Input::getMouseRelY(void) const
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| 316 | {
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| 317 | return (long)(mMouseY - mMouseCenterY);
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| 318 | }
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| 319 |
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| 320 |
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| 321 | } // namespace
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| 322 | #endif
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| 323 | #endif
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