KX_BlenderKeyboardDevice.cpp

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#if defined(WIN32) && !defined(FREE_WINDOWS)
// annoying warnings about truncated STL debug info
#pragma warning (disable :4786)
#endif 

#include "KX_BlenderKeyboardDevice.h"
#include "KX_KetsjiEngine.h"

KX_BlenderKeyboardDevice::KX_BlenderKeyboardDevice()
    : m_hookesc(false)
{

}
KX_BlenderKeyboardDevice::~KX_BlenderKeyboardDevice()
{

}

bool KX_BlenderKeyboardDevice::IsPressed(SCA_IInputDevice::KX_EnumInputs inputcode)
{
    const SCA_InputEvent & inevent =  m_eventStatusTables[m_currentTable][inputcode];
    bool pressed = (inevent.m_status == SCA_InputEvent::KX_JUSTACTIVATED || 
        inevent.m_status == SCA_InputEvent::KX_ACTIVE);
    return pressed;
}
/*const SCA_InputEvent& KX_BlenderKeyboardDevice::GetEventValue(SCA_IInputDevice::KX_EnumInputs inputcode)
{
    return m_eventStatusTables[m_currentTable][inputcode];
}
*/
void    KX_BlenderKeyboardDevice::NextFrame()
{
    SCA_IInputDevice::NextFrame();
    
    // now convert justpressed keyevents into regular (active) keyevents
    int previousTable = 1-m_currentTable;
    for (int keyevent= KX_BEGINKEY; keyevent<= KX_ENDKEY;keyevent++)
    {
        SCA_InputEvent& oldevent = m_eventStatusTables[previousTable][keyevent];
        if (oldevent.m_status == SCA_InputEvent::KX_JUSTACTIVATED ||
            oldevent.m_status == SCA_InputEvent::KX_ACTIVE  )
        {
            m_eventStatusTables[m_currentTable][keyevent] = oldevent;
            m_eventStatusTables[m_currentTable][keyevent].m_status = SCA_InputEvent::KX_ACTIVE;
        }
    }
}

bool    KX_BlenderKeyboardDevice::ConvertBlenderEvent(unsigned short incode,short val)
{
    bool result = false;
    
    // convert event
    KX_EnumInputs kxevent = this->ToNative(incode);

    // only process it, if it's a key
    if (kxevent >= KX_BEGINKEY && kxevent <= KX_ENDKEY)
    {
        int previousTable = 1-m_currentTable;

        if (val == KM_PRESS)
        {
            if (kxevent == KX_KetsjiEngine::GetExitKey() && val != 0 && !m_hookesc)
                result = true;
            if (kxevent == KX_PAUSEKEY && val && (IsPressed(KX_LEFTCTRLKEY) || IsPressed(KX_RIGHTCTRLKEY)))
                result = true;

            // todo: convert val ??
            m_eventStatusTables[m_currentTable][kxevent].m_eventval = val ; //???

            switch (m_eventStatusTables[previousTable][kxevent].m_status)
            {
            case SCA_InputEvent::KX_JUSTACTIVATED:
                {
                    m_eventStatusTables[m_currentTable][kxevent].m_status = SCA_InputEvent::KX_ACTIVE;
                    break;
                }
            case SCA_InputEvent::KX_ACTIVE:
            
                {
                    m_eventStatusTables[m_currentTable][kxevent].m_status = SCA_InputEvent::KX_ACTIVE;
                    break;
                }
            case SCA_InputEvent::KX_NO_INPUTSTATUS:
                {
                        m_eventStatusTables[m_currentTable][kxevent].m_status = SCA_InputEvent::KX_JUSTACTIVATED;
                        break;
                }
            default:
                {
                    m_eventStatusTables[m_currentTable][kxevent].m_status = SCA_InputEvent::KX_JUSTACTIVATED;
                }
            }
            
        } else if (val == KM_RELEASE)
        {
            // blender eventval == 0
            switch (m_eventStatusTables[previousTable][kxevent].m_status)
            {
            case SCA_InputEvent::KX_JUSTACTIVATED:
                {
                    m_eventStatusTables[m_currentTable][kxevent].m_status = SCA_InputEvent::KX_JUSTRELEASED;
                    break;
                }
            case SCA_InputEvent::KX_ACTIVE:
                {
                    m_eventStatusTables[m_currentTable][kxevent].m_status = SCA_InputEvent::KX_JUSTRELEASED;
                    break;
                }
            default:
                {
                    m_eventStatusTables[m_currentTable][kxevent].m_status = SCA_InputEvent::KX_NO_INPUTSTATUS;
                }
            }
        }
    }
    return result;
}

void KX_BlenderKeyboardDevice::HookEscape()
{
    m_hookesc = true;
}