gorilla.bas

DOS 源代码 系列之 command 源码

'                         Q B a s i c   G o r i l l a s
'
'                   Copyright (C) Microsoft Corporation 1990
'
' Your mission is to hit your opponent with the exploding banana
' by varying the angle and power of your throw, taking into account
' wind speed, gravity, and the city skyline.
'
' Speed of this game is determined by the constant SPEEDCONST.  If the
' program is too slow or too fast adjust the "CONST SPEEDCONST = 500" line
' below.  The larger the number the faster the game will go.
'
' To run this game, press Shift+F5.
'
' To exit QBasic, press Alt, F, X.
'
' To get help on a BASIC keyword, move the cursor to the keyword and press
' F1 or click the right mouse button.
'

'Set default data type to integer for faster game play
DEFINT A-Z

'Sub Declarations
DECLARE SUB DoSun (Mouth)
DECLARE SUB SetScreen ()
DECLARE SUB EndGame ()
DECLARE SUB Center (Row, Text$)
DECLARE SUB Intro ()
DECLARE SUB SparklePause ()
DECLARE SUB GetInputs (Player1$, Player2$, NumGames)
DECLARE SUB PlayGame (Player1$, Player2$, NumGames)
DECLARE SUB DoExplosion (x#, y#)
DECLARE SUB MakeCityScape (BCoor() AS ANY)
DECLARE SUB PlaceGorillas (BCoor() AS ANY)
DECLARE SUB UpdateScores (Record(), PlayerNum, Results)
DECLARE SUB DrawGorilla (x, y, arms)
DECLARE SUB GorillaIntro (Player1$, Player2$)
DECLARE SUB Rest (t#)
DECLARE SUB VictoryDance (Player)
DECLARE SUB ClearGorillas ()
DECLARE SUB DrawBan (xc#, yc#, r, bc)
DECLARE FUNCTION Scl (n!)
DECLARE FUNCTION GetNum# (Row, Col)
DECLARE FUNCTION DoShot (PlayerNum, x, y)
DECLARE FUNCTION ExplodeGorilla (x#, y#)
DECLARE FUNCTION Getn# (Row, Col)
DECLARE FUNCTION PlotShot (StartX, StartY, Angle#, Velocity, PlayerNum)
DECLARE FUNCTION CalcDelay! ()

'Make all arrays Dynamic
'$DYNAMIC

'User-Defined TYPEs
TYPE XYPoint
  XCoor AS INTEGER
  YCoor AS INTEGER
END TYPE

'Constants
CONST SPEEDCONST = 500
CONST TRUE = -1
CONST FALSE = NOT TRUE
CONST HITSELF = 1
CONST BACKATTR = 0
CONST OBJECTCOLOR = 1
CONST WINDOWCOLOR = 14
CONST SUNATTR = 3
CONST SUNHAPPY = FALSE
CONST SUNSHOCK = TRUE
CONST RIGHTUP = 1
CONST LEFTUP = 2
CONST ARMSDOWN = 3

'Global Variables
DIM SHARED GorillaX(1 TO 2)  'Location of the two gorillas
DIM SHARED GorillaY(1 TO 2)
DIM SHARED LastBuilding

DIM SHARED pi#
DIM SHARED LBan&(x), RBan&(x), UBan&(x), DBan&(x) 'Graphical picture of banana
DIM SHARED GorD&(120)        'Graphical picture of Gorilla arms down
DIM SHARED GorL&(120)        'Gorilla left arm raised
DIM SHARED GorR&(120)        'Gorilla right arm raised

DIM SHARED gravity#
DIM SHARED Wind

'Screen Mode Variables
DIM SHARED ScrHeight
DIM SHARED ScrWidth
DIM SHARED Mode
DIM SHARED MaxCol

'Screen Color Variables
DIM SHARED ExplosionColor
DIM SHARED SunColor
DIM SHARED BackColor
DIM SHARED SunHit

DIM SHARED SunHt
DIM SHARED GHeight
DIM SHARED MachSpeed AS SINGLE

  DEF FnRan (x) = INT(RND(1) * x) + 1
  DEF SEG = 0                         ' Set NumLock to ON
  KeyFlags = PEEK(1047)
  IF (KeyFlags AND 32) = 0 THEN
    POKE 1047, KeyFlags OR 32
  END IF
  DEF SEG

  GOSUB InitVars
  Intro
  GetInputs Name1$, Name2$, NumGames
  GorillaIntro Name1$, Name2$
  PlayGame Name1$, Name2$, NumGames
 
  DEF SEG = 0                         ' Restore NumLock state
  POKE 1047, KeyFlags
  DEF SEG
END


CGABanana:
  'BananaLeft
  DATA 327686, -252645316, 60
  'BananaDown
  DATA 196618, -1057030081, 49344
  'BananaUp
  DATA 196618, -1056980800, 63
  'BananaRight
  DATA 327686,  1010580720, 240

EGABanana:
  'BananaLeft
  DATA 458758,202116096,471604224,943208448,943208448,943208448,471604224,202116096,0
  'BananaDown
  DATA 262153, -2134835200, -2134802239, -2130771968, -2130738945,8323072, 8323199, 4063232, 4063294
  'BananaUp
  DATA 262153, 4063232, 4063294, 8323072, 8323199, -2130771968, -2130738945, -2134835200,-2134802239
  'BananaRight
  DATA 458758, -1061109760, -522133504, 1886416896, 1886416896, 1886416896,-522133504,-1061109760,0

InitVars:
  pi# = 4 * ATN(1#)

  'This is a clever way to pick the best graphics mode available
  ON ERROR GOTO ScreenModeError
  Mode = 9
  SCREEN Mode
  ON ERROR GOTO PaletteError
  IF Mode = 9 THEN PALETTE 4, 0   'Check for 64K EGA
  ON ERROR GOTO 0

  MachSpeed = CalcDelay

  IF Mode = 9 THEN
    ScrWidth = 640
    ScrHeight = 350
    GHeight = 25
    RESTORE EGABanana
    REDIM LBan&(8), RBan&(8), UBan&(8), DBan&(8)

    FOR i = 0 TO 8
      READ LBan&(i)
    NEXT i

    FOR i = 0 TO 8
      READ DBan&(i)
    NEXT i

    FOR i = 0 TO 8
      READ UBan&(i)
    NEXT i

    FOR i = 0 TO 8
      READ RBan&(i)
    NEXT i

    SunHt = 39

  ELSE

    ScrWidth = 320
    ScrHeight = 200
    GHeight = 12
    RESTORE CGABanana
    REDIM LBan&(2), RBan&(2), UBan&(2), DBan&(2)
    REDIM GorL&(20), GorD&(20), GorR&(20)

    FOR i = 0 TO 2
      READ LBan&(i)
    NEXT i
    FOR i = 0 TO 2
      READ DBan&(i)
    NEXT i
    FOR i = 0 TO 2
      READ UBan&(i)
    NEXT i
    FOR i = 0 TO 2
      READ RBan&(i)
    NEXT i

    MachSpeed = MachSpeed * 1.3
    SunHt = 20
  END IF
RETURN

ScreenModeError:
  IF Mode = 1 THEN
    CLS
    LOCATE 10, 5
    PRINT "Sorry, you must have CGA, EGA color, or VGA graphics to play GORILLA.BAS"
    END
  ELSE
    Mode = 1
    RESUME
  END IF

PaletteError:
  Mode = 1            '64K EGA cards will run in CGA mode.
  RESUME NEXT

REM $STATIC
'CalcDelay:
'  Checks speed of the machine.
FUNCTION CalcDelay!

  s! = TIMER
  DO
    i! = i! + 1
  LOOP UNTIL TIMER - s! >= .5
  CalcDelay! = i!

END FUNCTION

' Center:
'   Centers and prints a text string on a given row
' Parameters:
'   Row - screen row number
'   Text$ - text to be printed
'
SUB Center (Row, Text$)
  Col = MaxCol \ 2
  LOCATE Row, Col - (LEN(Text$) / 2 + .5)
  PRINT Text$;
END SUB

' DoExplosion:
'   Produces explosion when a shot is fired
' Parameters:
'   X#, Y# - location of explosion
'
SUB DoExplosion (x#, y#)

  PLAY "MBO0L32EFGEFDC"
  Radius = ScrHeight / 50
  IF Mode = 9 THEN Inc# = .5 ELSE Inc# = .41
  FOR c# = 0 TO Radius STEP Inc#
    CIRCLE (x#, y#), c#, ExplosionColor
  NEXT c#
  FOR c# = Radius TO 0 STEP (-1 * Inc#)
    CIRCLE (x#, y#), c#, BACKATTR
    FOR i = 1 TO 100
    NEXT i
    Rest .005
  NEXT c#
END SUB

' DoShot:
'   Controls banana shots by accepting player input and plotting
'   shot angle
' Parameters:
'   PlayerNum - Player
'   x, y - Player's gorilla position
'
FUNCTION DoShot (PlayerNum, x, y)

  'Input shot
  IF PlayerNum = 1 THEN
    LocateCol = 1
  ELSE
    IF Mode = 9 THEN
      LocateCol = 66
    ELSE
      LocateCol = 26
    END IF
  END IF

  LOCATE 2, LocateCol
  PRINT "Angle:";
  Angle# = GetNum#(2, LocateCol + 7)

  LOCATE 3, LocateCol
  PRINT "Velocity:";
  Velocity = GetNum#(3, LocateCol + 10)

  IF PlayerNum = 2 THEN
    Angle# = 180 - Angle#
  END IF

  'Erase input
  FOR i = 1 TO 4
    LOCATE i, 1
    PRINT SPACE$(30 \ (80 \ MaxCol));
    LOCATE i, (50 \ (80 \ MaxCol))
    PRINT SPACE$(30 \ (80 \ MaxCol));
  NEXT

  SunHit = FALSE
  PlayerHit = PlotShot(x, y, Angle#, Velocity, PlayerNum)
  IF PlayerHit = 0 THEN
    DoShot = FALSE
  ELSE
    DoShot = TRUE
    IF PlayerHit = PlayerNum THEN PlayerNum = 3 - PlayerNum
    VictoryDance PlayerNum
  END IF

END FUNCTION

' DoSun:
'   Draws the sun at the top of the screen.
' Parameters:
'   Mouth - If TRUE draws "O" mouth else draws a smile mouth.
'
SUB DoSun (Mouth)

  'set position of sun
  x = ScrWidth \ 2: y = Scl(25)

  'clear old sun
  LINE (x - Scl(22), y - Scl(18))-(x + Scl(22), y + Scl(18)), BACKATTR, BF

  'draw new sun:
  'body
  CIRCLE (x, y), Scl(12), SUNATTR
  PAINT (x, y), SUNATTR

  'rays
  LINE (x - Scl(20), y)-(x + Scl(20), y), SUNATTR
  LINE (x, y - Scl(15))-(x, y + Scl(15)), SUNATTR

  LINE (x - Scl(15), y - Scl(10))-(x + Scl(15), y + Scl(10)), SUNATTR
  LINE (x - Scl(15), y + Scl(10))-(x + Scl(15), y - Scl(10)), SUNATTR

  LINE (x - Scl(8), y - Scl(13))-(x + Scl(8), y + Scl(13)), SUNATTR
  LINE (x - Scl(8), y + Scl(13))-(x + Scl(8), y - Scl(13)), SUNATTR

  LINE (x - Scl(18), y - Scl(5))-(x + Scl(18), y + Scl(5)), SUNATTR
  LINE (x - Scl(18), y + Scl(5))-(x + Scl(18), y - Scl(5)), SUNATTR

  'mouth
  IF Mouth THEN  'draw "o" mouth
    CIRCLE (x, y + Scl(5)), Scl(2.9), 0
    PAINT (x, y + Scl(5)), 0, 0
  ELSE           'draw smile
    CIRCLE (x, y), Scl(8), 0, (210 * pi# / 180), (330 * pi# / 180)
  END IF

  'eyes
  CIRCLE (x - 3, y - 2), 1, 0
  CIRCLE (x + 3, y - 2), 1, 0
  PSET (x - 3, y - 2), 0
  PSET (x + 3, y - 2), 0

END SUB

'DrawBan:
'  Draws the banana
'Parameters:
'  xc# - Horizontal Coordinate
'  yc# - Vertical Coordinate
'  r - rotation position (0-3). (  \_/  ) /-\
'  bc - if TRUE then DrawBan draws the banana ELSE it erases the banana
SUB DrawBan (xc#, yc#, r, bc)

SELECT CASE r
  CASE 0
    IF bc THEN PUT (xc#, yc#), LBan&, PSET ELSE PUT (xc#, yc#), LBan&, XOR
  CASE 1
    IF bc THEN PUT (xc#, yc#), UBan&, PSET ELSE PUT (xc#, yc#), UBan&, XOR
  CASE 2
    IF bc THEN PUT (xc#, yc#), DBan&, PSET ELSE PUT (xc#, yc#), DBan&, XOR
  CASE 3
    IF bc THEN PUT (xc#, yc#), RBan&, PSET ELSE PUT (xc#, yc#), RBan&, XOR
END SELECT

END SUB

'DrawGorilla:
'  Draws the Gorilla in either CGA or EGA mode
'  and saves the graphics data in an array.
'Parameters:
'  x - x coordinate of gorilla
'  y - y coordinate of the gorilla
'  arms - either Left up, Right up, or both down
SUB DrawGorilla (x, y, arms)
  DIM i AS SINGLE   ' Local index must be single precision

  'draw head
  LINE (x - Scl(4), y)-(x + Scl(2.9), y + Scl(6)), OBJECTCOLOR, BF
  LINE (x - Scl(5), y + Scl(2))-(x + Scl(4), y + Scl(4)), OBJECTCOLOR, BF

  'draw eyes/brow
  LINE (x - Scl(3), y + Scl(2))-(x + Scl(2), y + Scl(2)), 0

  'draw nose if ega
  IF Mode = 9 THEN
    FOR i = -2 TO -1
      PSET (x + i, y + 4), 0
      PSET (x + i + 3, y + 4), 0
    NEXT i
  END IF

  'neck
  LINE (x - Scl(3), y + Scl(7))-(x + Scl(2), y + Scl(7)), OBJECTCOLOR

  'body
  LINE (x - Scl(8), y + Scl(8))-(x + Scl(6.9), y + Scl(14)), OBJECTCOLOR, BF
  LINE (x - Scl(6), y + Scl(15))-(x + Scl(4.9), y + Scl(20)), OBJECTCOLOR, BF

  'legs
  FOR i = 0 TO 4
    CIRCLE (x + Scl(i), y + Scl(25)), Scl(10), OBJECTCOLOR, 3 * pi# / 4, 9 * pi# / 8
    CIRCLE (x + Scl(-6) + Scl(i - .1), y + Scl(25)), Scl(10), OBJECTCOLOR, 15 * pi# / 8, pi# / 4
  NEXT

  'chest
  CIRCLE (x - Scl(4.9), y + Scl(10)), Scl(4.9), 0, 3 * pi# / 2, 0
  CIRCLE (x + Scl(4.9), y + Scl(10)), Scl(4.9), 0, pi#, 3 * pi# / 2

  FOR i = -5 TO -1
    SELECT CASE arms
      CASE 1
        'Right arm up
        CIRCLE (x + Scl(i - .1), y + Scl(14)), Scl(9), OBJECTCOLOR, 3 * pi# / 4, 5 * pi# / 4
        CIRCLE (x + Scl(4.9) + Scl(i), y + Scl(4)), Scl(9), OBJECTCOLOR, 7 * pi# / 4, pi# / 4
        GET (x - Scl(15), y - Scl(1))-(x + Scl(14), y + Scl(28)), GorR&
      CASE 2
        'Left arm up
        CIRCLE (x + Scl(i - .1), y + Scl(4)), Scl(9), OBJECTCOLOR, 3 * pi# / 4, 5 * pi# / 4
        CIRCLE (x + Scl(4.9) + Scl(i), y + Scl(14)), Scl(9), OBJECTCOLOR, 7 * pi# / 4, pi# / 4
        GET (x - Scl(15), y - Scl(1))-(x + Scl(14), y + Scl(28)), GorL&
      CASE 3
        'Both arms down
        CIRCLE (x + Scl(i - .1), y + Scl(14)), Scl(9), OBJECTCOLOR, 3 * pi# / 4, 5 * pi# / 4
        CIRCLE (x + Scl(4.9) + Scl(i), y + Scl(14)), Scl(9), OBJECTCOLOR, 7 * pi# / 4, pi# / 4
        GET (x - Scl(15), y - Scl(1))-(x + Scl(14), y + Scl(28)), GorD&
    END SELECT
  NEXT i
END SUB

'ExplodeGorilla:
'  Causes gorilla explosion when a direct hit occurs
'Parameters:
'  X#, Y# - shot location
FUNCTION ExplodeGorilla (x#, y#)
  YAdj = Scl(12)
  XAdj = Scl(5)
  SclX# = ScrWidth / 320
  SclY# = ScrHeight / 200
  IF x# < ScrWidth / 2 THEN PlayerHit = 1 ELSE PlayerHit = 2
  PLAY "MBO0L16EFGEFDC"

  FOR i = 1 TO 8 * SclX#
    CIRCLE (GorillaX(PlayerHit) + 3.5 * SclX# + XAdj, GorillaY(PlayerHit) + 7 * SclY# + YAdj), i, ExplosionColor, , , -1.57
    LINE (GorillaX(PlayerHit) + 7 * SclX#, GorillaY(PlayerHit) + 9 * SclY# - i)-(GorillaX(PlayerHit), GorillaY(PlayerHit) + 9 * SclY# - i), ExplosionColor
  NEXT i

  FOR i = 1 TO 16 * SclX#
    IF i < (8 * SclX#) THEN CIRCLE (GorillaX(PlayerHit) + 3.5 * SclX# + XAdj, GorillaY(PlayerHit) + 7 * SclY# + YAdj), (8 * SclX# + 1) - i, BACKATTR, , , -1.57
    CIRCLE (GorillaX(PlayerHit) + 3.5 * SclX# + XAdj, GorillaY(PlayerHit) + YAdj), i, i MOD 2 + 1, , , -1.57
  NEXT i

  FOR i = 24 * SclX# TO 1 STEP -1
    CIRCLE (GorillaX(PlayerHit) + 3.5 * SclX# + XAdj, GorillaY(PlayerHit) + YAdj), i, BACKATTR, , , -1.57
    FOR Count = 1 TO 200
    NEXT
  NEXT i

  ExplodeGorilla = PlayerHit
END FUNCTION

'GetInputs:
'  Gets user inputs at beginning of game
'Parameters:
'  Player1$, Player2$ - player names
'  NumGames - number of games to play
SUB GetInputs (Player1$, Player2$, NumGames)
  COLOR 7, 0
  CLS

  LOCATE 8, 15
  LINE INPUT "Name of Player 1 (Default = 'Player 1'): "; Player1$
  IF Player1$ = "" THEN
    Player1$ = "Player 1"
  ELSE
    Player1$ = LEFT$(Player1$, 10)
  END IF

  LOCATE 10, 15
  LINE INPUT "Name of Player 2 (Default = 'Player 2'): "; Player2$
  IF Player2$ = "" THEN
    Player2$ = "Player 2"
  ELSE
    Player2$ = LEFT$(Player2$, 10)
  END IF

  DO
    LOCATE 12, 56: PRINT SPACE$(25);
    LOCATE 12, 13
    INPUT "Play to how many total points (Default = 3)"; game$
    NumGames = VAL(LEFT$(game$, 2))
  LOOP UNTIL NumGames > 0 AND LEN(game$) < 3 OR LEN(game$) = 0
  IF NumGames = 0 THEN NumGames = 3

  DO
    LOCATE 14, 53: PRINT SPACE$(28);
    LOCATE 14, 17
    INPUT "Gravity in Meters/Sec (Earth = 9.8)"; grav$
    gravity# = VAL(grav$)
  LOOP UNTIL gravity# > 0 OR LEN(grav$) = 0
  IF gravity# = 0 THEN gravity# = 9.8
END SUB

'GetNum:
'  Gets valid numeric input from user
'Parameters:
'  Row, Col - location to echo input
FUNCTION GetNum# (Row, Col)
  Result$ = ""
  Done = FALSE
  WHILE INKEY$ <> "": WEND   'Clear keyboard buffer

  DO WHILE NOT Done

    LOCATE Row, Col
    PRINT Result$; CHR$(95); "    ";

    Kbd$ = INKEY$
    SELECT CASE Kbd$
      CASE "0" TO "9"
        Result$ = Result$ + Kbd$
      CASE "."
        IF INSTR(Result$, ".") = 0 THEN
          Result$ = Result$ + Kbd$
        END IF
      CASE CHR$(13)
        IF VAL(Result$) > 360 THEN
          Result$ = ""
        ELSE
          Done = TRUE
        END IF
      CASE CHR$(8)
        IF LEN(Result$) > 0 THEN
          Result$ = LEFT$(Result$, LEN(Result$) - 1)
        END IF
      CASE ELSE
        IF LEN(Kbd$) > 0 THEN
          BEEP
        END IF
      END SELECT
  LOOP

  LOCATE Row, Col
  PRINT Result$; " ";