Games/Bomber/BomberKeyboard.c

   1 //Virtual keycodes
   2 #define VK_A 0x20
   3 #define VK_B 0x35
   4 #define VK_C 0x33
   5 #define VK_D 0x22
   6 #define VK_E 0x12
   7 #define VK_F 0x23
   8 #define VK_G 0x24
   9 #define VK_H 0x25
  10 #define VK_I 0x17
  11 #define VK_J 0x26
  12 #define VK_K 0x27
  13 #define VK_L 0x28
  14 #define VK_M 0x37
  15 #define VK_N 0x36
  16 #define VK_O 0x18
  17 #define VK_P 0x19
  18 #define VK_Q 0x10
  19 #define VK_R 0x13
  20 #define VK_S 0x21
  21 #define VK_T 0x14
  22 #define VK_U 0x1a
  23 #define VK_V 0x34
  24 #define VK_W 0x11
  25 #define VK_X 0x32
  26 #define VK_Y 0x31
  27 #define VK_Z 0x15
  28
  29 #define VK_UP 0x4c
  30 #define VK_DOWN 0x4d
  31 #define VK_LEFT 0x4f
  32 #define VK_RIGHT 0x4e
  33 #define VK_CONTROL 0x63
  34 #define VK_TAB 0x42
  35 #define VK_ESCAPE 0x45
  36
  37 //Keyboard variables for each player
  38 int             ChosenKeys [3 * 5];
  39 int             Up [5],
  40                 Down [5],
  41                 Left [5],
  42                 Right [5],
  43                 Fire [5];
  44 //Various keys
  45 int             Esc;
  46
  47 //For joystick
  48 unsigned int    JoyUp, JoyLeft, JoyRight, JoyDown;
  49 int             JoyAvail;
  50
  51 //Initializes the standard keys
  52 void InitKeyboard ()
  53 {
  54     ChosenKeys [ 0] = VK_UP;
  55     ChosenKeys [ 1] = VK_DOWN;
  56     ChosenKeys [ 2] = VK_LEFT;
  57     ChosenKeys [ 3] = VK_RIGHT;
  58     ChosenKeys [ 4] = VK_CONTROL;
  59     ChosenKeys [ 5] = VK_W;
  60     ChosenKeys [ 6] = VK_X;
  61     ChosenKeys [ 7] = VK_A;
  62     ChosenKeys [ 8] = VK_D;
  63     ChosenKeys [ 9] = VK_TAB;
  64     ChosenKeys [10] = VK_U;
  65     ChosenKeys [11] = VK_N;
  66     ChosenKeys [12] = VK_H;
  67     ChosenKeys [13] = VK_K;
  68     ChosenKeys [14] = VK_B;
  69
  70 #if !NO_JOY
  71
  72   //Get info about joystick axes
  73   JoyAvail = (joyGetDevCaps (JOYSTICKID1, &JoyCaps, sizeof (JoyCaps)) == JOYERR_NOERROR);
  74   if (JoyAvail) {
  75     JoyUp = (JoyCaps.wYmax - JoyCaps.wYmin) * 1 / 6;
  76     JoyDown = (JoyCaps.wYmax - JoyCaps.wYmin) * 5 / 6;
  77     JoyLeft = (JoyCaps.wXmax - JoyCaps.wXmin) * 1 / 6;
  78     JoyRight = (JoyCaps.wXmax - JoyCaps.wXmin) * 5 / 6;
  79   }
  80 #endif
  81
  82 }
  83
  84 //Stores keyboard definition in registry
  85 void SaveKeys ()
  86 {
  87 #if 0
  88   HKEY  KeyHandle;
  89   RegCreateKey (HKEY_LOCAL_MACHINE, "Software\\Bomberman", &KeyHandle);
  90   RegSetValueEx (KeyHandle, "Keys", 0, REG_BINARY, (LPBYTE)ChosenKeys, 60);
  91   RegCloseKey (KeyHandle);
  92 #endif
  93 }
  94
  95 //Checks for keyboard input
  96 void CheckKeyboard ()
  97 {
  98 #if !NO_JOY
  99   JOYINFO   JoyInfo;
 100 #endif
 101
 102   //Player 1
 103   Up    [0] = GetAsyncKeyState (ChosenKeys [ 0]);
 104   Down  [0] = GetAsyncKeyState (ChosenKeys [ 1]);
 105   Left  [0] = GetAsyncKeyState (ChosenKeys [ 2]);
 106   Right [0] = GetAsyncKeyState (ChosenKeys [ 3]);
 107   Fire  [0] = GetAsyncKeyState (ChosenKeys [ 4]);
 108   //Player 2
 109   Up    [1] = GetAsyncKeyState (ChosenKeys [ 5]);
 110   Down  [1] = GetAsyncKeyState (ChosenKeys [ 6]);
 111   Left  [1] = GetAsyncKeyState (ChosenKeys [ 7]);
 112   Right [1] = GetAsyncKeyState (ChosenKeys [ 8]);
 113   Fire  [1] = GetAsyncKeyState (ChosenKeys [ 9]);
 114   //Player 3
 115   Up    [2] = GetAsyncKeyState (ChosenKeys [10]);
 116   Down  [2] = GetAsyncKeyState (ChosenKeys [11]);
 117   Left  [2] = GetAsyncKeyState (ChosenKeys [12]);
 118   Right [2] = GetAsyncKeyState (ChosenKeys [13]);
 119   Fire  [2] = GetAsyncKeyState (ChosenKeys [14]);
 120
 121 #if !NO_JOY
 122   //Player 4 - joystick
 123   if (JoyAvail) {
 124     joyGetPos (JOYSTICKID1, &JoyInfo);
 125     Up    [3] = (JoyInfo.wYpos < JoyUp);
 126     Down  [3] = (JoyInfo.wYpos > JoyDown);
 127     Left  [3] = (JoyInfo.wXpos < JoyLeft);
 128     Right [3] = (JoyInfo.wXpos > JoyRight);
 129     Fire  [3] = (JoyInfo.wButtons & JOY_BUTTON1);
 130   }
 131 #endif
 132
 133   Esc       = GetAsyncKeyState (VK_ESCAPE);
 134 }
 135
 136 //Flush the keyboard buffer
 137 void FlushKeys ()
 138 {
 139   InPointer = OutPointer;
 140 }
 141
 142 //Returns a character
 143 char getch ()
 144 {
 145   int t;
 146
 147   if (InPointer == OutPointer)
 148     return -1;
 149   else {
 150     t = OutPointer++;
 151     OutPointer %= 50;
 152     return InBuffer [t];
 153   }
 154
 155 }