| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2010 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | This library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | // 7/31/2010 Wei Mingzhi |
| 23 | // Removed everything unrated to Mac OS X Joystick support |
| 24 | |
| 25 | #include "SDL_config.h" |
| 26 | |
| 27 | /* Initialization code for SDL */ |
| 28 | |
| 29 | #include "SDL.h" |
| 30 | #include "haptic/SDL_haptic_c.h" |
| 31 | #include "joystick/SDL_joystick_c.h" |
| 32 | |
| 33 | /* The initialized subsystems */ |
| 34 | static Uint32 SDL_initialized = 0; |
| 35 | |
| 36 | int |
| 37 | SDL_InitSubSystem(Uint32 flags) |
| 38 | { |
| 39 | /* Initialize the joystick subsystem */ |
| 40 | if ((flags & SDL_INIT_JOYSTICK) && !(SDL_initialized & SDL_INIT_JOYSTICK)) { |
| 41 | if (SDL_JoystickInit() < 0) { |
| 42 | return (-1); |
| 43 | } |
| 44 | SDL_initialized |= SDL_INIT_JOYSTICK; |
| 45 | } |
| 46 | |
| 47 | /* Initialize the haptic subsystem */ |
| 48 | if ((flags & SDL_INIT_HAPTIC) && !(SDL_initialized & SDL_INIT_HAPTIC)) { |
| 49 | if (SDL_HapticInit() < 0) { |
| 50 | return (-1); |
| 51 | } |
| 52 | SDL_initialized |= SDL_INIT_HAPTIC; |
| 53 | } |
| 54 | |
| 55 | return (0); |
| 56 | } |
| 57 | |
| 58 | int |
| 59 | SDL_Init(Uint32 flags) |
| 60 | { |
| 61 | /* Clear the error message */ |
| 62 | SDL_ClearError(); |
| 63 | |
| 64 | /* Initialize the desired subsystems */ |
| 65 | if (SDL_InitSubSystem(flags) < 0) { |
| 66 | return (-1); |
| 67 | } |
| 68 | |
| 69 | return (0); |
| 70 | } |
| 71 | |
| 72 | void |
| 73 | SDL_QuitSubSystem(Uint32 flags) |
| 74 | { |
| 75 | /* Shut down requested initialized subsystems */ |
| 76 | if ((flags & SDL_initialized & SDL_INIT_JOYSTICK)) { |
| 77 | SDL_JoystickQuit(); |
| 78 | SDL_initialized &= ~SDL_INIT_JOYSTICK; |
| 79 | } |
| 80 | |
| 81 | if ((flags & SDL_initialized & SDL_INIT_HAPTIC)) { |
| 82 | SDL_HapticQuit(); |
| 83 | SDL_initialized &= ~SDL_INIT_HAPTIC; |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | Uint32 |
| 88 | SDL_WasInit(Uint32 flags) |
| 89 | { |
| 90 | if (!flags) { |
| 91 | flags = SDL_INIT_EVERYTHING; |
| 92 | } |
| 93 | return (SDL_initialized & flags); |
| 94 | } |
| 95 | |
| 96 | void |
| 97 | SDL_Quit(void) |
| 98 | { |
| 99 | /* Quit all subsystems */ |
| 100 | SDL_QuitSubSystem(SDL_INIT_EVERYTHING); |
| 101 | } |