Mouse.cpp

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////////////////////////////////////////////////////////////////////////////////
//    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 <GLEXT/GLViewPort.h>
#include <graph/Mouse.h>
#include <graph/OptionsDisplay.h>
#include <common/OptionsScorched.h>
#include <client/ScorchedClient.h>
#include <engine/GameState.h>

Mouse *Mouse::instance_ = 0;

Mouse *Mouse::instance()
{
        if (!instance_) {
                instance_ = new Mouse;
        }

        return instance_;
}

Mouse::Mouse() : mouse_sensitivity_(120)
{

}

Mouse::~Mouse()
{

}



void Mouse::mouseDown(SDL_Event &event)
{
        int defaultY = (int) (event.button.y * GLViewPort::getHeightMult());
        if (!OptionsDisplay::instance()->getSwapYAxis())
        {
                defaultY = GLViewPort::getHeight() - defaultY;
        }

        switch (event.button.button) {
        case SDL_BUTTON_LEFT:
                ScorchedClient::instance()->getGameState().
                    mouseDown(GameState::MouseButtonLeft,
                                (int) (event.button.x * GLViewPort::getWidthMult()),
                                defaultY);
                break;
        case SDL_BUTTON_MIDDLE:
                ScorchedClient::instance()->getGameState().
                    mouseDown(GameState::MouseButtonMiddle,
                              (int) (event.button.x * GLViewPort::getWidthMult()),
                              defaultY);
                break;
        case SDL_BUTTON_RIGHT:
                ScorchedClient::instance()->getGameState().
                    mouseDown(GameState::MouseButtonRight,
                              (int) (event.button.x * GLViewPort::getWidthMult()),
                              defaultY);
                break;
        case 4:
                ScorchedClient::instance()->getGameState().
                        mouseWheel(-mouse_sensitivity_);
                break;
        case 5:
                ScorchedClient::instance()->getGameState().
                        mouseWheel(mouse_sensitivity_);
                break;
        default:
                break;
        }
}

void Mouse::mouseUp(SDL_Event &event)
{
        int defaultY = (int) (event.button.y * GLViewPort::getHeightMult());
        if (!OptionsDisplay::instance()->getSwapYAxis())
        {
                defaultY = GLViewPort::getHeight() - defaultY;
        }

        switch (event.button.button) {
        case SDL_BUTTON_LEFT:
                ScorchedClient::instance()->getGameState().
                        mouseUp(GameState::MouseButtonLeft,
                                (int) (event.button.x * GLViewPort::getWidthMult()),
                                defaultY);
                break;
        case SDL_BUTTON_MIDDLE:
                ScorchedClient::instance()->getGameState().
                    mouseUp(GameState::MouseButtonMiddle,
                            (int) (event.button.x * GLViewPort::getWidthMult()),
                                defaultY);
                break;
        case SDL_BUTTON_RIGHT:
                ScorchedClient::instance()->getGameState().
                        mouseUp(GameState::MouseButtonRight,
                                (int) (event.button.x * GLViewPort::getWidthMult()),
                                defaultY);
                break;
        default:
                break;
        }
}

void Mouse::mouseMove(SDL_Event &event)
{
        int defaultY = (int) (event.button.y * GLViewPort::getHeightMult());
        if (!OptionsDisplay::instance()->getSwapYAxis())
        {
                defaultY = GLViewPort::getHeight() - defaultY;
        }

        ScorchedClient::instance()->getGameState().
                mouseMove(
                        (int) (event.button.x * GLViewPort::getWidthMult()),
                        defaultY);
}

void Mouse::processMouseEvent(SDL_Event & event)
{
        switch (event.type) {
        case SDL_MOUSEBUTTONDOWN:
                mouseDown(event);
                break;
        case SDL_MOUSEBUTTONUP:
                mouseUp(event);
                break;
        case SDL_MOUSEMOTION:
                mouseMove(event);
                break;
        }
}

---