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MouseDevice.cpp

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00001 //------------------------------------------------------------------------------
00002 // Lamp : Open source game middleware
00003 // Copyright (C) 2004  Junpei Ohtani ( Email : junpee@users.sourceforge.jp )
00004 //
00005 // This library is free software; you can redistribute it and/or
00006 // modify it under the terms of the GNU Lesser General Public
00007 // License as published by the Free Software Foundation; either
00008 // version 2.1 of the License, or (at your option) any later version.
00009 //
00010 // This library is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 // Lesser General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public
00016 // License along with this library; if not, write to the Free Software
00017 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 //------------------------------------------------------------------------------
00019 
00020 /** @file
00021  * マウスデバイス実装
00022  * @author Junpee
00023  */
00024 
00025 #include "LampBasic.h"
00026 #include "Input/Mouse/MouseDevice.h"
00027 
00028 namespace Lamp{
00029 
00030 //------------------------------------------------------------------------------
00031 // コンストラクタ
00032 MouseDevice::MouseDevice() : InputDevice(false){
00033     zResolution_ = 120;// とりあえず一般的な120にしておく
00034 }
00035 //------------------------------------------------------------------------------
00036 // デストラクタ
00037 MouseDevice::~MouseDevice(){
00038 }
00039 //------------------------------------------------------------------------------
00040 // 初期化
00041 bool MouseDevice::initialize(DirectInputDevice* inputDevice, HWND windowHandle){
00042     if(!InputDevice::initialize(inputDevice, windowHandle)){ return false; }
00043     // データフォーマットの指定
00044     if(DirectXFailed(inputDevice->SetDataFormat(&c_dfDIMouse2))){
00045         ErrorOut("MouseDevice::initialize() "
00046             "マウスデバイスのデータフォーマット指定に失敗しました。");
00047         return false;
00048     }
00049     // Z軸があれば解像度を調べる
00050     if((getAxisCount() >= 3) && isAttached()){
00051         DIPROPDWORD property;
00052         property.diph.dwSize = sizeof(DIPROPDWORD);
00053         property.diph.dwHeaderSize = sizeof(DIPROPHEADER);
00054         property.diph.dwHow = DIPH_BYOFFSET;
00055         property.diph.dwObj = DIMOFS_Z;
00056         HRESULT result =
00057             inputDevice->GetProperty(DIPROP_GRANULARITY, &property.diph);
00058         if(DirectXFailed(result)){
00059             ErrorOut("MouseDevice::initialize() Z解像度の取得に失敗しました。");
00060         }else{
00061             zResolution_ = property.dwData;
00062         }
00063     }
00064     // 優先度の指定
00065     if(!setCooperativeLevel(isExclusive(), isForeground())){ return false; }
00066     return true;
00067 }
00068 //------------------------------------------------------------------------------
00069 // ポーリング
00070 bool MouseDevice::polling(){
00071     InputDevice::polling();
00072     // マウスデバイスステート取得
00073     DIMOUSESTATE2 state;
00074     HRESULT result = inputDevice_->GetDeviceState(
00075         sizeof(DIMOUSESTATE2), &state);
00076     if(DirectXSucceeded(result)){
00077         mouseState_.setXAxis(state.lX);
00078         mouseState_.setYAxis(state.lY);
00079         mouseState_.setZAxis(state.lZ);
00080         for(int i = 0; i < maxButtonCount; i++){
00081             mouseState_.setButtonPressed(i,
00082                 ((state.rgbButtons[i] & 0x80) != 0));
00083         }
00084         return true;
00085     }else{
00086         // エラーなら入力無し
00087         mouseState_.clear();
00088         // 深刻なエラーでないかチェック
00089         if((result != DIERR_INPUTLOST) && (result != DIERR_NOTACQUIRED)){
00090             ErrorOut("GetDeviceState()に失敗しました。");
00091         }else{
00092             // デバイス再取得
00093             acquire();
00094         }
00095     }
00096     return false;
00097 }
00098 //------------------------------------------------------------------------------
00099 } // End of namespace Lamp
00100 //------------------------------------------------------------------------------

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