blender/source/gameengine/GameLogic/SCA_IInputDevice.cpp

/*
 * ***** 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 *****
 */

/** \file gameengine/GameLogic/SCA_IInputDevice.cpp
 *  \ingroup gamelogic
 */


#include <assert.h>
#include "SCA_IInputDevice.h"

SCA_IInputDevice::SCA_IInputDevice()
	:
	m_currentTable(0)
{
	ClearStatusTable(0);
	ClearStatusTable(1);
}



SCA_IInputDevice::~SCA_IInputDevice()
{
}	

void SCA_IInputDevice::HookEscape()
{
	assert(false && "This device does not support hooking escape.");
}

void SCA_IInputDevice::ClearStatusTable(int tableid)
{
	for (int i=0;i<SCA_IInputDevice::KX_MAX_KEYS;i++)
		m_eventStatusTables[tableid][i]=SCA_InputEvent(SCA_InputEvent::KX_NO_INPUTSTATUS,0);
}



const SCA_InputEvent& SCA_IInputDevice::GetEventValue(SCA_IInputDevice::KX_EnumInputs inputcode)
{
//	cerr << "SCA_IInputDevice::GetEventValue" << endl;
	return m_eventStatusTables[m_currentTable][inputcode];
}



int SCA_IInputDevice::GetNumActiveEvents()
{
	int num = 0;

	//	cerr << "SCA_IInputDevice::GetNumActiveEvents" << endl;

	for (int i=0;i<SCA_IInputDevice::KX_MAX_KEYS;i++)
	{
		const SCA_InputEvent& event = m_eventStatusTables[m_currentTable][i];
		if ((event.m_status == SCA_InputEvent::KX_JUSTACTIVATED)
			|| (event.m_status == SCA_InputEvent::KX_ACTIVE))
			num++;
	}

	return num;
}



int SCA_IInputDevice::GetNumJustEvents()
{
	int num = 0;

	//	cerr << "SCA_IInputDevice::GetNumJustEvents" << endl;

	for (int i=0;i<SCA_IInputDevice::KX_MAX_KEYS;i++)
	{
		const SCA_InputEvent& event = m_eventStatusTables[m_currentTable][i];
		if ((event.m_status == SCA_InputEvent::KX_JUSTACTIVATED)
			|| (event.m_status == SCA_InputEvent::KX_JUSTRELEASED))
			num++;
	}

	return num;
}



void SCA_IInputDevice::NextFrame()
{
	m_currentTable = 1 - m_currentTable;

	//	cerr << "SCA_IInputDevice::NextFrame " << GetNumActiveEvents() << endl;
	
	for (int i=0;i<SCA_IInputDevice::KX_MAX_KEYS;i++)
	{
		switch (m_eventStatusTables[1 - m_currentTable][i].m_status)
		{
		case SCA_InputEvent::KX_NO_INPUTSTATUS:
			m_eventStatusTables[m_currentTable][i]
				= SCA_InputEvent(SCA_InputEvent::KX_NO_INPUTSTATUS, 1);
			break;
		case SCA_InputEvent::KX_JUSTACTIVATED:
			m_eventStatusTables[m_currentTable][i]
				= SCA_InputEvent(SCA_InputEvent::KX_ACTIVE, 1);
			break;
		case SCA_InputEvent::KX_ACTIVE:
			m_eventStatusTables[m_currentTable][i]
				= SCA_InputEvent(SCA_InputEvent::KX_ACTIVE, 1);
			break;
		case SCA_InputEvent::KX_JUSTRELEASED:
			m_eventStatusTables[m_currentTable][i]
				= SCA_InputEvent(SCA_InputEvent::KX_NO_INPUTSTATUS, 1);
			break;
		default:
			; /* error */
		}	
	}
}