C ++的游戏在Windows控制台运行控制 [英] C++ controls for a game running in windows console
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问题描述
我试图让，在命令提示符下运行一个小的2个玩家的游戏。直到我开始对球员的控制工作的所有的事情都是好的。因此，对于捕捉键盘按键我认为最好的解决办法是使用的getch（）函数。这是因为残培（）将键上飞，没有在屏幕上显示出来，等待着进入或其他键为pressed。
I'm trying to make a small 2 players game that runs in the command prompt. All things were good until I've started working on players controls. So, for capturing the keyboard keys I thought the best solution would be the use of getch() function. That's because getch() takes keys on the fly, without displaying it on screen, waiting for enter or other keys to be pressed.
在code来实现这一目标，就我能想到的，是很简单的：
The code to accomplish that, as far as I could think, is fairly simple:
c=getch();
switch(c)
{
case 'a': make player 1 go left
break;
case 'd': make player 1 go right
break;
case 's': make player 1 go down
break;
case 'w': make player 1 go up
break;
case 'h': make player 2 go left
break;
case 'k': make player 2 go right
break;
case 'j': make player 2 go down
break;
case 'u': make player 2 go up
break;
}
一切当然在while循环之中。
everything being inside a while loop of course.
问题是我需要双方球员才能够移动，而控制是在同一时间pssed $ P $。随着残培（）时，玩家1移动后立即播放2 presses分配例如左派运动的关键，玩家1块2的球员，他们都保持pressed移动键。当然，如果玩家2释放键和presses分配的另一个关键，他需要控制的运动，同时阻止玩家1，依此之一。
The thing is I need both players to be able to move while the controls are pressed at the same time. With getch() when player 1 moves right after player 2 presses the key assigned for left movement for example, player 1 blocks player 2 as they both keep pressed the movement keys. Of course if player 2 releases the key and presses another key assigned, he takes control on movement while blocking player 1, and so one.
为了让自己多一点理解，用code看起来像这样：
To make myself a bit more understood, with a code looking like this:
c=getch();
switch(c)
{
case 'a': cout <<"a";
break;
case 'd': cout <<"b";
break;
}
当有人不断a键pressed输出将是aaaaaaaaaaaaaaa，经过别人presses'B'，即使第一人保持了紧握'A'，输出将
成为aaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbb。如果第一人版本a和presses它再次输出将是aaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbaaaaaaaaaaaaaaa作为另一个持有'B'。对于我的比赛来工作，当他们都保持pssed'a'和'B'$ P $，相信输出应该是像ababababababababab。
when someone keeps 'a' key pressed the output will be "aaaaaaaaaaaaaaa", and after someone else presses 'b', even if the first person keeps his hold on 'a', the output will become "aaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbb". If the first person releases 'a' and presses it again the output would be "aaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbaaaaaaaaaaaaaaa" as the other one holds 'b'. For my game to work, when they both keep pressed 'a' and 'b', I believe the output should be something like "ababababababababab".
老实说，我已经试过所有我能至今想，但我是新的C / C ++编程，所以也许我只是没有与这些编程语言足够的经验，使其工作。这不是necessarilly让我的getch（）+开关（）战略工作，任何其他建议将受到欢迎一样好。但他们将不得不恢复到Windows控制台。
Honestly I've tried everything I could think so far, but I'm new to C/C++ programming so maybe I just don't have enough experience with these programming languages to make it work. It's not necessarilly to make my getch()+switch() strategy work, any other suggestions would be welcomed just as well. But they'll have to resume to windows console.
在此先感谢您的时间
推荐答案
您的想法是正确的。在一天结束的时候，它可能会是这样的：
Your thinking is correct. At the end of the day, it would probably look like this:
void Keypressed()
{
if (kbhit())
{
keypress =getch();
switch (keypress )
{
case key_F1:
displayHelp();
break;
case key_LEFT:
case key_RIGHT:
break;
case key_UP:
PlayersPad.y-=3;if (PlayersPad.y<0) PlayersPad.y=0;
break;
case key_DOWN:
PlayersPad.y+=3;if (PlayersPad.y>18) PlayersPad.y=18;
break;
case key_ENTER:
break;
case key_SPACE:
break;
case key_TAB:
autoPlay=-autoPlay;
if (autoPlay>0)
{
setcolor(79);gotoxy(62,23);printf("cheat on " );setcolor(15);
}
else
{
setcolor(79);gotoxy(62,23);printf("cheat off " );setcolor(15);
}
break;
}
}
}
和作为一个额外的好处，这里是code到A乒乓球比赛自己编写的，它是一个玩家vs玩家或玩家vs电脑。
And as an added bonus, here is code to a Pong game i have written, its a player vs player or player vs computer.
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <time.h>
#include <iostream.h>
#include <math.h>
#include <fstream.h>
#define Black 0
#define Blue 1
#define Green 2
#define Cyan 3
#define Red 4
#define Magenta 5
#define Yellow 6
#define White 7
#define Gray 8
#define LightBlue 9
#define LightGreen 10
#define LightCyan 11
#define LightRed 12
#define LightMagenta 13
#define LightYellow 14
#define BrightWhite 15
#define key_F1 59
#define key_UP 72
#define key_DOWN 80
#define key_LEFT 75
#define key_RIGHT 77
#define key_SPACE 32
#define key_ENTER 13
#define key_ESCAPE 27
#define key_TAB 9
#define key_INSERT 82
#define PONG_WIDTH 78
#define PONG_HEIGHT 22
#define PONG_SCREEN_RIGHT PONG_WIDTH-3
#define PONG_SCREEN_LEFT 5
#define PONG_SCREEN_TOP 2
#define PONG_SCREEN_BOTTOM 22
struct t_ball{ int x,y,headingX,headingY;};
struct t_pad{ int x,y,LEFT,RIGHT;};
int temp,kbChar;
int _key=0;
unsigned long OldTicksPerSecond=GetTickCount(),NewTicksPerSecond=GetTickCount();
unsigned long PreferredFramesPerSecond;
unsigned long DeltaTicksPerSecond;
unsigned int frames=0;
float fps=60.0f;
float Refesh;
float InverseFramesPerSecond;
float OneFramePerSecond;
int keypress=0;
t_ball ball;
t_pad PlayersPad,computersPad;
int autoPlay,playersScore,computersScore;
void moveBall();
void runGame();
void initGame();
void Keypressed();
void gameLogic();
void removeBall();
void displayHelp();
void displayYouMissed();
void displayCheatEnabled();
void Render_Game_At_60_Frames_Per_Second();
void getKey();
void gotoxy(int x, int y);
void setcolor(WORD color);
void textColor(unsigned char fColor,unsigned char bColor);
void clrscr();
void delay(int milliseconds);
void txtPlot( unsigned char x, unsigned char y, unsigned char Color);
void txtLine( int xx1, int yy1, int xx2, int yy2 ,int color);
void clrbox(unsigned char x1,unsigned char y1,unsigned char x2,unsigned char y2,unsigned char bkcol);
void box(unsigned x,unsigned y,unsigned sx,unsigned sy,unsigned char col,unsigned char col2,char text_[]);
void putbox(unsigned x,unsigned y,unsigned sx,unsigned sy,
unsigned char col, unsigned char col2,unsigned char bkcol,char text_[]);
int main()
{
runGame();
return 0;
}
/*********************************
* runGame()
********************************/
void runGame()
{
initGame();
while (keypress !=key_ESCAPE)
{
Keypressed();
gameLogic();
moveBall();
Sleep( 50 );
removeBall();
setcolor(31);gotoxy(7,22);printf("ball X=%d,Y=%d ",ball.x,ball.y );setcolor(15);
setcolor(31);gotoxy(7,23);printf("pad X=%d,Y=%d ",PlayersPad.x,PlayersPad.y );setcolor(15);
setcolor(31);gotoxy(32,22);printf("Your Score: %d ", playersScore );setcolor(15);
setcolor(79);gotoxy(32,23);printf("Computers Score: %d ", computersScore );setcolor(15);
}
}
/*********************************
* moveBall()
********************************/
void moveBall()
{
txtPlot( ball.x,ball.y,15);
txtLine(PlayersPad.x,PlayersPad.y,PlayersPad.x,PlayersPad.y+3,15);
txtLine(computersPad.x,computersPad.y,computersPad.x,computersPad.y+3,15);
}
/*********************************
* removeBall()
********************************/
void removeBall()
{
//Sleep( 9 );
txtPlot( ball.x,ball.y,0);
txtLine(PlayersPad.x,PlayersPad.y,PlayersPad.x,PlayersPad.y+3,0);
txtLine(computersPad.x,computersPad.y,computersPad.x,computersPad.y+3,0);
}
/*********************************
* gameLogic()
********************************/
void gameLogic()
{
/* update ball's x location */
ball.x+=ball.headingX;
/* update ball's y location */
ball.y+=ball.headingY;
/* if ball at most right of screen then reverse ball's x heading */
if( (ball.x>PONG_SCREEN_RIGHT) )
{
ball.headingX=-ball.headingX;
computersScore+=10;
}
/* check if ball's location at top or bottom of screen,if true reverse ball's y heading */
if( (ball.y<PONG_SCREEN_TOP) || (ball.y>PONG_SCREEN_BOTTOM-2) ) ball.headingY=-ball.headingY;
PlayersPad.LEFT=PlayersPad.y-3;
PlayersPad.RIGHT=PlayersPad.y+5;
/* check if ball lands on pad, if true bounce back */
if ( (ball.y>= PlayersPad.LEFT) && (ball.y<= PlayersPad.RIGHT) && (ball.x==PlayersPad.x))
{
ball.headingX=-ball.headingX;
playersScore+=10;
}
/* let computer track ball's movement */
if (ball.x>PONG_SCREEN_RIGHT-18) computersPad.y=ball.y;
/* if cheat enabled,let player track ball's movement */
if (autoPlay>0)
{
if (ball.x<PONG_SCREEN_RIGHT-50) PlayersPad.y=ball.y;
if (ball.x>PONG_SCREEN_LEFT+16)
{
if (PlayersPad.y<10) while (PlayersPad.y<10) PlayersPad.y++;
if (PlayersPad.y>12) while (PlayersPad.y>10) PlayersPad.y--;
}
}
/* check if ball misses pad, if true display you missed */
if (ball.x<PONG_SCREEN_LEFT)
{
displayYouMissed();
ball.x=75;
ball.y=15;
computersScore+=10;
}
}
/*********************************
* initGame()
********************************/
void initGame()
{
playersScore=0;
computersScore=0;
ball.x=15;
ball.y=5;
ball.headingX=1;
ball.headingY=1;
PlayersPad.x=5;
PlayersPad.y=12;
computersPad.x=75;
computersPad.y=12;
displayCheatEnabled();
setcolor(15);
clrscr();
txtLine(6,0,74,0,1);
txtLine(6,22,74,22,1);
txtLine(6,23,74,23,1);
autoPlay=1;
if (autoPlay>0)
{
setcolor(79);gotoxy(62,23);printf("cheat on " );setcolor(15);
}
else
{
setcolor(79);gotoxy(62,23);printf("cheat off " );setcolor(15);
}
setcolor(31);gotoxy(62,22);printf("<F1> Help" );setcolor(15);
}
void displayHelp()
{
clrbox(10,8,70,16,79);
box(10,8,70,16,31,79,"Pong Game, Player vs Computer");
gotoxy(18,10);cprintf("Controls ");
gotoxy(18,11);cprintf("<LEFT> move pad left");
gotoxy(18,12);cprintf("<RIGHT> move pad right");
gotoxy(18,13);cprintf("<TAB> cheat mode ON/OFF");
gotoxy(18,15);cprintf("press any key to continue");
keypress =getch();
clrbox(10,8,75,21,0);
}
void displayYouMissed()
{
clrbox(10,8,70,16,79);
box(10,8,70,16,31,79,"You missed");
gotoxy(18,10);cprintf(" ");
gotoxy(18,11);cprintf("The ball has missed the paddle");
gotoxy(18,12);cprintf("press press space to continue");
gotoxy(18,13);cprintf("");
gotoxy(18,14);cprintf("");
keypress =getch();
clrbox(10,8,75,21,0);
}
void displayCheatEnabled()
{
clrbox(10,8,70,16,79);
box(10,8,70,16,31,79,"Player vs. Computer");
gotoxy(15,10);cprintf("The Cheat' pad will track ball movement' is enabled");
gotoxy(15,11);cprintf("press <TAB> to enable or disable the cheat.");
gotoxy(15,13);cprintf("press press space to continue");
gotoxy(18,14);cprintf("");
gotoxy(18,14);cprintf("");
keypress =getch();
clrbox(10,8,75,21,0);
}
/*********************************
* Keypressed()
********************************/
void Keypressed()
{
if (kbhit())
{
keypress =getch();
switch (keypress )
{
case key_F1:
displayHelp();
break;
case key_LEFT:
case key_RIGHT:
break;
case key_UP:
PlayersPad.y-=3;if (PlayersPad.y<0) PlayersPad.y=0;
break;
case key_DOWN:
PlayersPad.y+=3;if (PlayersPad.y>18) PlayersPad.y=18;
break;
case key_ENTER:
break;
case key_SPACE:
break;
case key_TAB:
autoPlay=-autoPlay;
if (autoPlay>0)
{
setcolor(79);gotoxy(62,23);printf("cheat on " );setcolor(15);
}
else
{
setcolor(79);gotoxy(62,23);printf("cheat off " );setcolor(15);
}
break;
}
}
}
/*********************************
* Render_Game_At_60_Frames_Per_Second()
********************************/
void Render_Game_At_60_Frames_Per_Second()
{
NewTicksPerSecond=GetTickCount();
DeltaTicksPerSecond=NewTicksPerSecond-OldTicksPerSecond;
frames++;
if(DeltaTicksPerSecond>=PreferredFramesPerSecond)
{
OldTicksPerSecond=NewTicksPerSecond;
InverseFramesPerSecond=1/((float)PreferredFramesPerSecond/1000.0f);
OneFramePerSecond=(float)frames*InverseFramesPerSecond;
fps+=OneFramePerSecond;
fps/=2;
setcolor(31);gotoxy(70,22);printf(" %d FPS ",DeltaTicksPerSecond );setcolor(15);
frames=0;
Refesh=60/fps;
}
Sleep(3);
}
//*****************************************************************************
//* *
//*****************************************************************************
void gotoxy(int x, int y)
{
COORD coord;
coord.X = x; coord.Y = y;
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
return;
}
//*****************************************************************************
//* *
//*****************************************************************************
void setcolor(WORD color)
{
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),color);
return;
}
//
// colors:
// 0 = Black
// 1 = Blue
// 2 = Green
// 3 = Cyan
// 4 = Red
// 5 = Magenta
// 6 = Yellow
// 7 = LightGray
// 8 = DarkGray
// 9 = LightBlue
// 10 = LightGreen
// 11 = LightCyan
// 12 = LightRed
// 13 = LightMagenta
// 14 = LightYellow
// 15 = White
//
void setForeGroundAndBackGroundColor(int ForeGroundColor,int BackGroundColor)
{
int color=16*BackGroundColor+ForeGroundColor;
setcolor(color);
}
//*****************************************************************************
//* *
//*****************************************************************************
void clrscr()
{
COORD coordScreen = { 0, 0 };
DWORD cCharsWritten;
CONSOLE_SCREEN_BUFFER_INFO csbi;
DWORD dwConSize;
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
GetConsoleScreenBufferInfo(hConsole, &csbi);
dwConSize = csbi.dwSize.X * csbi.dwSize.Y;
FillConsoleOutputCharacter(hConsole, TEXT(' '), dwConSize, coordScreen, &cCharsWritten);
GetConsoleScreenBufferInfo(hConsole, &csbi);
FillConsoleOutputAttribute(hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten);
SetConsoleCursorPosition(hConsole, coordScreen);
return;
}
//*****************************************************************************
//* *
//*****************************************************************************
void box(unsigned x,unsigned y,unsigned sx,unsigned sy,unsigned char col,unsigned char col2,char text_[])
{ unsigned i,j,m;
{
m=(sx-x); //differential
j=m/8; //adjust
j=j-1; //more adjustment
gotoxy(x,y);cprintf("É"); //Top left corner of box
gotoxy(sx,y);cprintf("»"); //Top right corner of box
gotoxy(x,sy);cprintf("È"); //Bottom left corner of box
gotoxy(sx,sy);cprintf("¼"); //Bottom right corner of box
for (i=x+1;i<sx;i++)
{
gotoxy(i,y);cprintf("Í"); // Top horizontol line
gotoxy(i,sy);cprintf("Í"); // Bottom Horizontal line
}
for (i=y+1;i<sy;i++)
{
gotoxy(x,i);cprintf("º"); //Left Vertical line
gotoxy(sx,i);cprintf("º"); //Right Vertical Line
}
gotoxy(x+j,y);cprintf(text_); //put Title
gotoxy(1,24);
}
}
//*****************************************************************************
//* *
//*****************************************************************************
void clrbox(unsigned char x1,unsigned char y1,unsigned char x2,unsigned char y2,unsigned char bkcol)
{
int x,y;
setcolor(bkcol); //Set to color bkcol
for (y=y1;y<y2;y++) //Fill Y Region Loop
{
for (x=x1;x<x2;x++) //Fill X region Loop
{
gotoxy(x,y);cprintf(" "); //Draw Solid space
}
}
}
//*****************************************************************************
//* *
//*****************************************************************************
void putbox(unsigned x,unsigned y,unsigned sx,unsigned sy,
unsigned char col, unsigned char col2,unsigned char bkcol,char text_[])
{
clrbox(x,y,sx,sy,bkcol);
box(x,y,sx,sy,col,col2,text_);
}
//*****************************************************************************
//* *
//*****************************************************************************
void txtPlot( unsigned char x, unsigned char y, unsigned char Color)
{
setcolor(Color);
gotoxy(x,y);cprintf("Û");
}
//**********************************************
//** **
//**********************************************
void txtSwap(int first, int second )
{
int temp ;
temp = first;
first = second;
second = temp;
}
void txtCircle(int X, int Y, int rad, int col)
{
float deg = 0;
do {
X = (int) (rad * cos(deg));
Y = (int) (rad * sin(deg));
txtPlot (40+X, 12+Y, col);
deg += 0.005;
}
while (deg <= 6.4);
}
//**********************************************
//** **
//**********************************************
void txtLine(int x0, int y0, int x1, int y1, int color)
{
int pix = color;
int dy = y1 - y0;
int dx = x1 - x0;
int stepx, stepy;
if (dy < 0) { dy = -dy; stepy = -1; } else { stepy = 1; }
if (dx < 0) { dx = -dx; stepx = -1; } else { stepx = 1; }
dy <<= 1; // dy is now 2*dy
dx <<= 1; // dx is now 2*dx
txtPlot( x0, y0,pix);
if (dx > dy) {
int fraction = dy - (dx >> 1); // same as 2*dy - dx
while (x0 != x1) {
if (fraction >= 0) {
y0 += stepy;
fraction -= dx; // same as fraction -= 2*dx
}
x0 += stepx;
fraction += dy; // same as fraction -= 2*dy
txtPlot( x0, y0,pix);
}
} else {
int fraction = dx - (dy >> 1);
while (y0 != y1) {
if (fraction >= 0) {
x0 += stepx;
fraction -= dy;
}
y0 += stepy;
fraction += dx;
txtPlot( x0, y0,pix);
}
}
}
//**********************************************
//** **
//**********************************************
void delay(unsigned int milliseconds)
{
clock_t ticks1, ticks2;
unsigned int tic1=0,tic2=0,tick=0;
ticks1=clock();
while(tick<milliseconds)
{
ticks2=clock();
tic1=ticks2/CLOCKS_PER_SEC-ticks1;
tic2=ticks1/CLOCKS_PER_SEC;
tick=ticks2-ticks1;
}
ticks2=clock();
}
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