AaronCameron.net

Because you all make me very, very tired.

• 
• 
• 
• 
• 

Not a Member? - Login or Create an Account

Sunday the 20th of May 2012 @ 03:42pm

Front Page Journal Projects Your Profile About

LibN2L N2L Home Older News Downloads Documentation (n2l5) Class Hierarchy Compound List File List n2l:: Members Functions Whole n2l:: Ref Documentation (libN2L-4) Class Hierarchy Compound List File List n2l:: Members Functions Whole n2l:: Ref Bugtracker Project Page Report a Bug Bug List Related Things Life 2130 Devel Game Journal

LibN2L-4 Library Code Reference Classes Compounds Files Members Method Index Full Reference cEventManager.cpp Go to the documentation of this file. /************************************************************************ Nova-2 Library (libN2L, or simply n2l) Game development C++ Library Copyright (C) 2003 Aaron Cameron This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA A copy of the GNU Lesser General Public License has been provided with this library in the file 'COPYING'. Contact information for the author of this library has been provided with this library in the file 'AUTHOR'. ************************************************************************/ #include "events/cEventManager.h" #include "events/types.h" #include "events/cEventInterface.h" #include "events/cKeyEvent.h" #include "events/cMouseButtonEvent.h" #include "events/cMouseMotionEvent.h" #include "events/cQuitEvent.h" #include "events/cActiveEvent.h" #include "events/cJoystickButtonEvent.h" #include "events/cJoystickHatEvent.h" namespace n2l { tBool cEventManager::smUseMouseMap( false ); tVector2f cEventManager::smMouseSystemDimensions( 0.0f,0.0f ); tMousePos cEventManager::smMouseLocalTopLeft( 0.0f,0.0f ); tMousePos cEventManager::smMouseLocalBottomRight( 0.0f,0.0f ); tMousePos cEventManager::smMouseOffset( 0.0f,0.0f ); tVector2f cEventManager::smMouseScaler( 1.0f,1.0f ); /**************************************************************************/ const tBool cEventManager::popEvent( cAutoPtr<const cEventInterface> &o_iEvent ) { SDL_Event rawEvent; if (!SDL_PollEvent(&rawEvent)) return false; // Do what we have to do switch (rawEvent.type) { //----------------------------------------------------------- case SDL_QUIT: o_iEvent = new cQuitEvent(); break; //----------------------------------------------------------- case SDL_KEYDOWN: case SDL_KEYUP: o_iEvent = new cKeyEvent( rawEvent.key ); break; //----------------------------------------------------------- case SDL_JOYBUTTONUP: case SDL_JOYBUTTONDOWN: o_iEvent = new cJoystickButtonEvent( rawEvent.jbutton ); break; //----------------------------------------------------------- case SDL_JOYHATMOTION: o_iEvent = new cJoystickHatEvent( rawEvent.jhat ); break; //----------------------------------------------------------- case SDL_MOUSEBUTTONDOWN: case SDL_MOUSEBUTTONUP: o_iEvent = new cMouseButtonEvent( rawEvent.button ); break; //----------------------------------------------------------- case SDL_MOUSEMOTION: o_iEvent = new cMouseMotionEvent( rawEvent.motion ); break; //----------------------------------------------------------- case SDL_ACTIVEEVENT: o_iEvent = new cActiveEvent( rawEvent.active ); break; //----------------------------------------------------------- default: // We have nothing to do, but there may still be // events to process, so call ourselves again. return popEvent( o_iEvent ); } // switch (rawEvent.type) return true; } /**************************************************************************/ void cEventManager::mouseMapCoordinates(const tMousePos &iTopLeft, const tMousePos &iBottomRight ) { smMouseLocalTopLeft = iTopLeft; smMouseLocalBottomRight = iBottomRight; smUseMouseMap = true; updateInternalMouseValues(); } /**************************************************************************/ const tBool cEventManager::getMouseMapCoordinates( tMousePos &oTopLeft, tMousePos &oBottomRight ) { oTopLeft = smMouseLocalTopLeft; oBottomRight = smMouseLocalBottomRight; return smUseMouseMap; } /**************************************************************************/ const tMousePos &cEventManager::mousePos() { static tMousePos smMousePos(0.0f,0.0f); static tSint x,y; SDL_GetMouseState(&x,&y); smMousePos = mouseSystemToLocal(x,y); return smMousePos; } /**************************************************************************/ void cEventManager::mousePos( const tMousePos &iPos, const tBool iBlockEvent ) { if (iBlockEvent) { // tMousePos posAdj = iPos - cEventManager::mousePos(); // SDL_SetEventFilter( mouseMotionFilter ); SDL_WarpMouse( tUint(iPos.x()), tUint(iPos.y()) ); // SDL_MouseMotionEvent event = { // SDL_MOUSEMOTION, 0, // 0,0, // 5,5 // tUint(iPos.x()+posAdj.x()), tUint(iPos.y()+posAdj.y()), // tSint(posAdj.x()), tSint(posAdj.y()) // }; // SDL_PushEvent( (SDL_Event*)(&event) ); // SDL_SetEventFilter( 0 ); } else SDL_WarpMouse( tUint(iPos.x()), tUint(iPos.y()) ); } /**************************************************************************/ const tBool cEventManager::mouseButtonDown( const tMouseButton iButton ) { if (iButton<=MouseButton_Unknown || iButton>=MouseButton_NumMouseButtons) throw cOutOfBoundsException("cEventManager::mouseButtonDown", "No such button"); return SDL_GetMouseState(0,0)&SDL_BUTTON(iButton); } /**************************************************************************/ void cEventManager::mouseSystemDimensions( const tUint iWidth, const tUint iHeight ) { smMouseSystemDimensions.set( iWidth,iHeight ); updateInternalMouseValues(); } /**************************************************************************/ const tVector2f & cEventManager::mouseSystemToLocal( const tSint iX, const tSint iY ) { static tVector2f local; // Set to the system space local.set(iX,iY); // Do we do anything? if (!smUseMouseMap) return local; // Apply our modifications local *= smMouseScaler; local += smMouseOffset; return local; } /**************************************************************************/ void cEventManager::updateInternalMouseValues() { static const tVector2f One(1.0f,1.0f); if (!smUseMouseMap) return; smMouseOffset = smMouseLocalTopLeft; smMouseScaler = (smMouseLocalBottomRight-smMouseLocalTopLeft) * (One/smMouseSystemDimensions); } /**************************************************************************/ int cEventManager::mouseMotionFilter( const SDL_Event *iEvent ) { if (iEvent->type == SDL_MOUSEMOTION) return 0; return 1; } }

©2012 Aaron Cameron