Games/Bomber/Game.c

   1 //State indicators
   2 #define         IN_MENU  1
   3 #define         IN_GAME  2
   4 #define         IN_WNLS  3
   5 #define         IN_SETUP 4
   6 int             State = IN_MENU;
   7
   8 //For graphics
   9 unsigned char   *SpriteBuf;
  10 unsigned char   *BlocksBuf;
  11 ULONG           Palette [256];
  12
  13 //Variables
  14 unsigned char   Grid [17][17],
  15                 BonusGrid [17][17];
  16 int             PlayerX [5],
  17                 PlayerY [5],
  18                 MaxRange [5],
  19                 MaxBombs [5],
  20                 PlayerDead [5],
  21                 PlayerDir [5],
  22                 PlayerFrame [5],
  23                 PlayerWon [5];
  24 int             AllowBombs,
  25                 TimeOut,
  26                 Frame,
  27                 ComputerPlays = 0,
  28                 Players = 2;
  29
  30 //Startup directory
  31 char            StartDir [1024];
  32
  33 #include <stdlib.h>
  34
  35 //Function prototypes
  36 #include "BomberInclude.c"
  37
  38 #include "BomberVarious.c"
  39 #include "BomberSounds.c"
  40 #include "BomberKeyboard.c"
  41 #include "BomberSprites.c"
  42 #include "BomberMap.c"
  43 #include "BomberPlayers.c"
  44 #include "BomberExpl.c"
  45 #include "BomberBonus.c"
  46 #include "BomberBombs.c"
  47 #include "BomberMidi.c"
  48 #include "BomberSetup.c"
  49 #include "BomberWinLose.c"
  50 #include "BomberMenu.c"
  51
  52 //Clear all scores
  53 void ClearGame ()
  54 {
  55   int p;
  56
  57   //Nobody has won yet
  58   for (p = 0; p < Players; p++) PlayerWon [p] = 0;
  59 }
  60
  61 //Start a new game
  62 void NewGame ()
  63 {
  64   int p;
  65
  66   //Player one, start at bottom right
  67   PlayerX [0] = PlayerY [0] = (15 << 4) + 8;
  68   //Player two start at top left
  69   PlayerX [1] = PlayerY [1] = (1 << 4) + 8;
  70   //Player three, start at bottom left
  71   PlayerX [2] = PlayerX [1];
  72   PlayerY [2] = PlayerY [0];
  73   //Player four start at top right
  74   PlayerX [3] = PlayerX [0];
  75   PlayerY [3] = PlayerY [1];
  76   //Draw to the backbuffer
  77   TargetData = BackBitmapData;
  78   //Initialize bombs
  79   InitBombs ();
  80   //Clear the map
  81   CreateMap ();
  82   //Clear the bonuses
  83   ClearBonus ();
  84   //Set time out at 3 minutes = 2770 frames
  85   TimeOut = 2770;
  86   AllowBombs = -1;
  87   //Player is not dead, looking down
  88   for (p = 0; p < Players; p++) {
  89     PlayerDead [p] = 0;
  90     PlayerDir [p] = 0;
  91   }
  92   //Wait until enter has been released
  93   do
  94   {
  95     HandleIntuiMessages();
  96   } while (GetAsyncKeyState (VK_RETURN));
  97
  98   CheckKeyboard ();
  99 }
 100
 101 //Check whether the game should end
 102 void CheckEndGame ()
 103 {
 104   int   LivingPlayers = Players, p;
 105
 106   //Move towards timeout
 107   TimeOut--;
 108
 109   //Count amount of living players
 110   for (p = 0; p < Players; p++)
 111     if (PlayerDead [p]) LivingPlayers--;
 112   //Set timeout and disallow bombs
 113   if (LivingPlayers < 2) {
 114     if (TimeOut > 60) TimeOut = 60;
 115     AllowBombs = 0;
 116   }
 117
 118   //If timeout has been reached, show win/lose screen
 119   if (TimeOut == 0) {
 120     State = IN_WNLS;
 121     InitWinLose ();
 122   }
 123 }
 124
 125 //Initialize the game
 126 void InitGame ()
 127 {
 128   srand ((unsigned)time (NULL));
 129   InitKeyboard ();
 130   CheckKeyboard ();
 131   GetStartDir ();
 132   LoadSprites ();
 133   LoadBlocks ();
 134   LoadSounds ();
 135   InitMenu ();
 136 }
 137
 138 //Shut down the game
 139 void CloseGame ()
 140 {
 141   UnloadMidi ();
 142 }
 143
 144 //The actual game itself
 145 void GameLoop ()
 146 {
 147   StartWait ();
 148
 149   //Repeat music
 150   if (!Playing) PlayMidi ("BOMBER.MID");
 151
 152   //The game logic
 153   DrawMap ();
 154   MovePlayers ();
 155   DropBombs ();
 156   CheckBonus ();
 157   CheckBombs ();
 158   DoExpl ();
 159   DrawBonus ();
 160   DrawBombs ();
 161   DrawPlayers ();
 162   CheckEndGame ();
 163   FadeOut ();
 164   Frame++;
 165
 166   //Limit to 15fps
 167   WaitFor (65); /* 65 */ /* 1000 / FPS */
 168   //Escape quits to menu
 169   if (Esc) {
 170     StopMidi ();
 171     InitMenu ();
 172     State = IN_MENU;
 173   }
 174 }
 175
 176 //Do one game frame
 177 void GameFrame ()
 178 {
 179   //Read from keyboard
 180   CheckKeyboard ();
 181
 182   //Call appropriate frame
 183   if (State == IN_MENU) MenuLoop ();
 184   if (State == IN_SETUP) SetupLoop ();
 185   if (State == IN_GAME) GameLoop ();
 186   if (State == IN_WNLS) WinLoseLoop ();
 187 }