GLWTracker.cpp

Go to the documentation of this file.

////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D 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.
//
//    Scorched3D 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 Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#include <GLW/GLWTracker.h>
#include <GLW/GLWFont.h>
#include <GLW/GLWToolTip.h>
#include <GLEXT/GLState.h>
#include <common/Keyboard.h>
#include <common/ToolTipResource.h>
#include <graph/OptionsDisplay.h>
#include <client/ScorchedClient.h>
#include <tank/TankContainer.h>
#include <tank/TankState.h>
#include <tank/TankPosition.h>
#include <lang/LangResource.h>

REGISTER_CLASS_SOURCE(GLWTracker);

GLWTracker::GLWTracker(float x, float y, float w, float range) :
        GLWidget(x, y, w, w), 
        range_(range),
        dragging_(false), handler_(0), currentX_(0.0f), currentY_(0.0f)
{

}

GLWTracker::~GLWTracker()
{

}

void GLWTracker::mouseDown(int button, float x, float y, bool &skipRest)
{
        if (inBox(x, y, x_, y_, w_, h_))
        {
                skipRest = true;
                dragging_ = true;
        }
}

void GLWTracker::mouseUp(int button, float x, float y, bool &skipRest)
{
        dragging_ = false;
}

void GLWTracker::mouseDrag(int button, float mx, float my, float x, float y, bool &skipRest)
{
        if (dragging_)
        {            
                float rangeMult = 1.0f;
                unsigned int keyState = 
                        Keyboard::instance()->getKeyboardState();
                if (keyState & KMOD_LSHIFT) rangeMult = 0.5f;

                currentX_ -= x / w_ * range_ * rangeMult;
                if (OptionsDisplay::instance()->getInvertElevation())
                {
                        rangeMult = -rangeMult;
                }
                currentY_ -= y /w_ * range_ * rangeMult;
                if (handler_) handler_->currentChanged(getId(), currentX_, currentY_);

                skipRest = true;
        }
}

REGISTER_CLASS_SOURCE(GLWTankTracker);

GLWTankTracker::GLWTankTracker() : 
        GLWTracker(0.0f, 0.0f, 0.0f, 100.0f)
{
        setHandler(this);
        setToolTip(new ToolTipResource(ToolTip::ToolTipHelp, 
                "ROTATION_ELEVATION", "Rotation/Elevation",
                "ROTATION_ELEVATION_TOOLTIP", 
                "Change the rotation and elevation of the\n"
                "current tank by clicking with the left\n"
                "mouse button and dragging up and down,\n"
                "left and right.\n"
                "Shift key decreases sensitivity."));
}

GLWTankTracker::~GLWTankTracker()
{
}

void GLWTankTracker::draw()
{
        Tank *currentTank =
                ScorchedClient::instance()->getTankContainer().getCurrentTank();
        if (currentTank)
        {
                if (currentTank->getState().getState() == TankState::sNormal)
                {
                        setCurrentX(currentTank->getPosition().getRotationGunXY().asFloat());
                        setCurrentY(currentTank->getPosition().getRotationGunYZ().asFloat());
                }
        }
        GLWTracker::draw();
}

void GLWTankTracker::currentChanged(unsigned int id, float valueX, float valueY)
{
        Tank *currentTank =
                ScorchedClient::instance()->getTankContainer().getCurrentTank();
        if (currentTank)
        {
                if (currentTank->getState().getState() == TankState::sNormal)
                {
                        if (id == getId())
                        {
                                currentTank->getPosition().rotateGunXY(fixed::fromFloat(valueX), false);
                                currentTank->getPosition().rotateGunYZ(fixed::fromFloat(valueY), false);
                        }
                }
        }       
}

---