| 1 | /* |
| 2 | * Copyright (C) 2008 Patrik Gornicz, Gornicz_P (at) hotmail (dot) com. |
| 3 | * |
| 4 | * This program is free software: you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation, either version 3 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | #include "inputManager.h" |
| 19 | |
| 20 | #include <bear/debug.h> |
| 21 | using namespace bear; |
| 22 | |
| 23 | #include <SDL/SDL.h> |
| 24 | |
| 25 | #include "config/keys.h" |
| 26 | |
| 27 | |
| 28 | /// ***** Private Variables ***** |
| 29 | |
| 30 | enum State |
| 31 | { |
| 32 | isR, |
| 33 | wasP, |
| 34 | isP, |
| 35 | wasR |
| 36 | }; |
| 37 | |
| 38 | static const int keySize = 323; |
| 39 | static State keyState[keySize]; |
| 40 | |
| 41 | /// ***** Initializers/Cleaners ***** |
| 42 | |
| 43 | void input::init() |
| 44 | { |
| 45 | // default all keys to released |
| 46 | for(int i=0; i< keySize; i++) |
| 47 | { |
| 48 | keyState[i] = isR; |
| 49 | } |
| 50 | } |
| 51 | void input::clean() |
| 52 | { |
| 53 | |
| 54 | } |
| 55 | |
| 56 | /// ***** Public Methods ***** |
| 57 | |
| 58 | const Uint32 eventMask = -1; // ALL events |
| 59 | |
| 60 | void input::update() |
| 61 | { |
| 62 | SDL_Event event; |
| 63 | |
| 64 | for(int i=0; i < keySize; i++) |
| 65 | { |
| 66 | State newKeyState; |
| 67 | |
| 68 | switch(keyState[i]) |
| 69 | { |
| 70 | case isR: newKeyState = isR; break; |
| 71 | case wasR: newKeyState = isR; break; |
| 72 | case isP: newKeyState = isP; break; |
| 73 | case wasP: newKeyState = isP; break; |
| 74 | default: DASSERT(false); return; |
| 75 | } |
| 76 | |
| 77 | keyState[i] = newKeyState; |
| 78 | } |
| 79 | |
| 80 | while(0 < SDL_PeepEvents(&event, 1, SDL_GETEVENT, eventMask)) |
| 81 | { |
| 82 | switch(event.type) |
| 83 | { |
| 84 | case SDL_KEYUP: |
| 85 | keyState[event.key.keysym.sym] = wasR; |
| 86 | break; |
| 87 | case SDL_KEYDOWN: |
| 88 | keyState[event.key.keysym.sym] = wasP; |
| 89 | break; |
| 90 | case SDL_QUIT: |
| 91 | // HACK: simulate an SDL_QUIT event as an ESC key press |
| 92 | keyState[key::end] = wasR; |
| 93 | break; |
| 94 | default: |
| 95 | break; // somthing I don't care about |
| 96 | } |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | Vector2 input::mousePosition() |
| 101 | { |
| 102 | int x,y; |
| 103 | SDL_GetMouseState(&x, &y); |
| 104 | |
| 105 | return Vector2(x,y); |
| 106 | } |
| 107 | |
| 108 | bool input::mouseLeft() |
| 109 | { |
| 110 | Uint8 state = SDL_GetMouseState(NULL, NULL); |
| 111 | |
| 112 | return state & SDL_BUTTON(1); |
| 113 | } |
| 114 | bool input::mouseRight() |
| 115 | { |
| 116 | Uint8 state = SDL_GetMouseState(NULL, NULL); |
| 117 | |
| 118 | return state & SDL_BUTTON(3); |
| 119 | } |
| 120 | |
| 121 | bool input::isPressed(const SDLKey& key) |
| 122 | { |
| 123 | return keyState[key] == isP || keyState[key] == wasP; |
| 124 | } |
| 125 | bool input::isReleased(const SDLKey& key) |
| 126 | { |
| 127 | return keyState[key] == isR || keyState[key] == wasR; |
| 128 | } |
| 129 | |
| 130 | bool input::wasPressed(const SDLKey& key) |
| 131 | { |
| 132 | return keyState[key] == wasP; |
| 133 | } |
| 134 | bool input::wasReleased(const SDLKey& key) |
| 135 | { |
| 136 | return keyState[key] == wasR; |
| 137 | } |