Mercurial > projects > mde
view mde/input/joystick.d @ 86:79d816b3e2d2
New InitStage system, Screen & Screen.Drawable, separate testing and guiDemo binaries.
This (and the previous) commit are the result of several quite significant changes to mde. All the unittests run, but it hasn't had a huge amount of testing so don't be surprised if bugs show up.
author | Diggory Hardy <diggory.hardy@gmail.com> |
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date | Fri, 12 Sep 2008 17:36:14 +0100 |
parents | 56c0ddd90193 |
children | 97e6dce08037 |
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/* LICENSE BLOCK Part of mde: a Modular D game-oriented Engine Copyright © 2007-2008 Diggory Hardy 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, see <http://www.gnu.org/licenses/>. */ /** Opens SDL joysticks ready for use. * May be extended later to include other input devices and remap devices as per config. */ module mde.input.joystick; import mde.setup.exception; // InitStage import tango.util.log.Log : Log, Logger; import derelict.sdl.joystick; private Logger logger; static this() { logger = Log.getLogger ("mde.input.joystick"); } private SDL_Joystick*[] joysticks; // pointers to all joystick structs, whether successfully opened or not /** Open joysticks ready for use. * * This is simply required for SDL to handle joystick events. It can fail, but won't affect anything * else, except for the controller not working. * * closeJoysticks must be run to cleanup afterwards. */ StageState openJoysticks () { joysticks = new SDL_Joystick*[SDL_NumJoysticks ()]; for (int i = 0; i < joysticks.length; ++i) { if ((joysticks[i] = SDL_JoystickOpen (i)) is null) { // null on failure logger.error ("Unable to open joystick {} via SDL", i); return StageState.ERROR; // prevent closeJoysticks running, but don't halt program } } logger.info ("Opened {} joysticks via SDL, succesfully unless preceding errors say otherwise.", joysticks.length); return StageState.ACTIVE; } /// Cleanup fct. StageState closeJoysticks () { foreach (js; joysticks) { // FIXME: This sometimes causes a SIGSEGV (Address boundary error) when init fails. if(js !is null) SDL_JoystickClose(js); // only close if successfully opened } return StageState.INACTIVE; }