Ðåôåðàò: Ðàçðàáîòêà èãðîâîé ïðîãðàììû íà ÿçûêå ïðîãðàììèðîâàíèÿ Turbo Pascal
Procedure DrawScreen;
Var
x,y:Integer;
s:String[80];
tmp:String[6];
begin
Bar(Base2,0,0,319,9,8);
FillBase(Base2,3200,9600,$03030303);
for y:=0 to 15 do
for x:=0 to 31 do
DrawOSpr(Base2,x*10,40+y*10,BrickHgt,BrickWdt,@BrickSpr);
s:='þ ~SIEGE~ þ Level:';
Str(Level,tmp);
While Byte(tmp[0])<2 do tmp:='ú'+tmp;
s:=s+tmp+' þ Score:';
Str(Score,tmp);
While Byte(tmp[0])<5 do tmp:='ú'+tmp;
s:=s+tmp+' þ';
DrawString(Base2,1,1,s);
end;
{==================================================================}
Procedure DrawMan;
begin
if StoneY=0 then
begin
DrawTSpr(Base2,ManX*8,20,ManHgt,ManWdt,@ManSpr[2]);
DrawTSpr(Base2,ManX*8+4,17,StoneHgt,StoneWdt,@StoneSpr);
end else
begin
DrawTSpr(Base2,ManX*8,20,ManHgt,ManWdt,@ManSpr[1]);
DrawTSpr(Base2,StoneX,StoneY,StoneHgt,StoneWdt,@StoneSpr);
Inc(StoneY,10);
if StoneY>199 then
begin
StoneY:=0;
if Combo<7 then ComboString(ComboStr[Combo]) else ComboString('Kiiler!!!');
Combo:=0;
end;
end;
end;
{==================================================================}
Procedure CheckCollisions;
Var
i:Byte;
begin
if StoneY>0 then
for i:=1 to MaxEnemies do
With Enemies[i] do
if not Free and not Falling then
begin
if ((StoneX+8>X) and (StoneX<X+EnemyWdt)) and
((StoneY+8>Y) and (StoneY<Y+EnemyHgt)) then
begin
Falling:=true;
D:=0;
Inc(Score);
Inc(Kills);
Inc(Combo);
end;
end;
end;
{==================================================================}
Procedure NextLevel;
Var
i:Byte;
begin
Timer:=MemL[Seg0040:$006C];
Inc(Level);
for i:=1 to 30 do
begin
ClearBase(Base2);
DrawScreen;
DrawTSpr(Base2,ManX*8,20,ManHgt,ManWdt,@ManSpr[1+Byte(i and 1=1)]);
DrawString(Base2,132,80,'Level '+Char($30+Level));
WaitRetraceMode;
CopyBase(Base2,Base1);
While Timer=MemL[Seg0040:$006C] do;
Timer:=MemL[Seg0040:$006C];
end;
EnemyLimit:=(1+Level)*20;
EnemyDelay:=0;
Kills:=0;
ca:=0;
end;
Procedure GameOverProc;
Var
i:Byte;
begin
ClearBase(Base2);
DrawScreen;
DrawString(Base2,124,80,'Game Over');
WaitRetraceMode;
CopyBase(Base2,Base1);
Timer:=MemL[Seg0040:$006C];
for i:=1 to 30 do
begin
While Timer=MemL[Seg0040:$006C] do;
Timer:=MemL[Seg0040:$006C];
end;
end;
{==================================================================}
Procedure Init;
begin
if not DetectVGA then
begin
Writeln('Íåîáõîäèì VGA ñîâìåñòèìûé âèäåîàäàïòåð.'#7);
Halt(1);
end;
SetGraphMode;
InitButtons;
Randomize;
ManX:=19;
Timer:=MemL[Seg0040:$006C];
EnemyLimit:=(Level+1)*20;
GetIntVec($43, Pointer(Font));
end;
Procedure Game;
begin
InitEnemies;
Level:=0;
Score:=0;
Kills:=0;
Combo:=0;
EnemyLimit:=(Level+1)*20;
GameOver:=false;
Repeat
ClearBase(Base2);
DrawScreen;
DrawEnemies;
DrawMan;
ComboString('');
MoveEnemies;
CheckCollisions;
if Key[keyLeft] then if ManX>0 then Dec(ManX);
if Key[keyRight] then if ManX<38 then Inc(ManX);
if Key[keySpace] then if StoneY=0 then
begin
StoneX:=(ManX*8)+4;
StoneY:=24;
end;
WaitRetraceMode;
CopyBase(Base2,Base1);
While Timer=MemL[Seg0040:$006C] do;
Timer:=MemL[Seg0040:$006C];
Until Key[keyEsc] or (Level>=10) or GameOver;
if GameOver then GameOverProc;
end;
Procedure Done;
begin
DoneButtons;
SetTextMode;
DoneVirtualPage;
end;
{==================================================================}
Var
choice:Byte;
begin
Init;
Repeat
choice:=Logo;
Case choice of
1:Game;
2:Info;
3:Story;
end;
Until choice=4;
Done;
end.
UNIT Buttons;
INTERFACE
Uses DOS;
Const
keyESC = 1;
keyF1 = 59;
keyF2 = 60;
keyF3 = 61;
keyF4 = 62;
keyF5 = 63;
keyF6 = 64;
keyF7 = 65;
keyF8 = 66;
keyF9 = 67;
keyF10 = 68;
keyF11 = 87;
keyF12 = 88;
keyScrollLock = 70;
keyTilde = 41;
key1 = 2;
key2 = 3;
key3 = 4;
key4 = 5;
key5 = 6;
key6 = 7;
key7 = 8;
key8 = 9;
key9 = 10;
key0 = 11;
keyUnderline = 12;
keyEquality = 13;
keyBackspace = 14;
keyTab = 15;
keyQ = 16;
keyW = 17;
keyE = 18;
keyR = 19;
keyT = 20;
keyY = 21;
keyU = 22;
keyI = 23;
keyO = 24;
keyP = 25;
keyIndex = 26;
keyBackIndex = 27;
keyEnter = 28;
keyCapsLock = 58;
keyA = 30;
keyS = 31;
keyD = 32;
keyF = 33;
keyG = 34;
keyH = 35;
keyJ = 36;
keyK = 37;
keyL = 38;
keyDoublePeriod = 39;
keyApostroph = 40;
keyLShift = 42;
keyBackSlash = 43;
keyZ = 44;
keyX = 45;
keyC = 46;
keyV = 47;
keyB = 48;
keyN = 49;
keyM = 50;
keyComma = 51;
keyPeriod = 52;
keySlash = 53;
keyRShift = 54;
keyCtrl = 29;
keyAlt = 56;
keySpace = 57;
keyNumLock = 69;
keyMultiply = 55;
keyMinus = 74;
keyPlus = 78;
keyDelete = 83;
keyHome = 71;
keyUp = 72;
keyPgUp = 73;
keyLeft = 75;
keyFive = 76;
keyRight = 77;
keyEnd = 79;
keyDown = 80;
keyPgDn = 81;
keyInsert = 82;
KeyPressed:Boolean = FALSE;
Var
Key :Array [1..128] of Boolean;
WasPressed:Array [1..128] of Boolean;
Const
CheckWarmReboot:Boolean = TRUE;
WarmRebootFlag :Boolean = FALSE;
Procedure InitButtons;
Procedure DoneButtons;
Function ButtonsInited:Boolean;
Function IsKeypressed:Boolean;
Function Pressed(Index:Byte):Boolean;
Procedure ClearKeys;
IMPLEMENTATION
Const
Init:Boolean=FALSE;
Var
OldKbdHandler:Pointer;
Procedure Int9; INTERRUPT;
Var
ScanCode,Tmp:Byte;
begin
ScanCode:=Port[$60];
if ScanCode and 128=0 then
begin
Key[ScanCode]:=TRUE;
KeyPressed:=TRUE;
end else
begin
ScanCode:=ScanCode xor 128;
Key[ScanCode]:=FALSE;
WasPressed[ScanCode]:=TRUE;
KeyPressed:=FALSE;
end;
if CheckWarmReboot and (ScanCode=keyDelete) then
begin
Tmp:=Mem[Seg0040:$0017];
if Tmp and 12=12 then
begin
Tmp:=Tmp xor 21;
WarmRebootFlag:=TRUE;
end;
Mem[Seg0040:$0017]:=Tmp;
end;
asm
in al,61h
or al,82h
out 61h,al
and al,7Fh
out 61h,al
mov al,20h
out 20h,al
end;
end;
Procedure InitButtons;
begin
if not Init then
begin
GetIntVec($9,OldKbdHandler);
SetIntVec($9,@Int9);
FillChar(Key,SizeOf(Key),FALSE);
