948 lines
18 KiB
C
948 lines
18 KiB
C
/* A Windows console program: taxi and passengers simulator */
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#include <windows.h>
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#include <wincon.h>
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#include <stdio.h>
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#include <conio.h>
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#include <stdlib.h>
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#include <time.h>
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void init_scr();
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void restore_scr();
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void clrscr();
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void write_console(const char *msg, DWORD len, COORD coords, DWORD attr);
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int add_br (int n, int addon);
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DWORD WINAPI Si1 (LPVOID parm); // a passengers thread
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DWORD WINAPI Si2 (LPVOID parm);
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DWORD WINAPI Si3 (LPVOID parm);
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DWORD WINAPI Si4 (LPVOID parm);
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DWORD WINAPI Taxi (LPVOID parm); // a taxi thread
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HANDLE hstdout;
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HANDLE hproc[5], htaxi, hproc2[5], hproc3[5], hproc4[5], ht2;
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HANDLE hs_br; // a semaphor for br[]
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HANDLE hs_wc; // a semaphor for write_console()
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HANDLE hs_ds; // a semaphor for draw_statistics()
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HANDLE hs_st; // a semaphor for draw_station()
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int br[5]; // a number of the passengers on the taxi stations
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int w; // a number of the passengers on the taxi, used in taxi()
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DWORD si_attr = FOREGROUND_GREEN | FOREGROUND_INTENSITY;
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DWORD st_attr = FOREGROUND_GREEN;
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DWORD tx_attr = FOREGROUND_RED;
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static
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void draw_statistics()
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{
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char msg[100];
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COORD coords;
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WaitForSingleObject (hs_ds, INFINITE);
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coords.X = 0;
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coords.Y = 0;
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sprintf (msg, "station1=%d \n", br[1]);
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write_console (msg, strlen(msg), coords, si_attr);
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coords.Y++;
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sprintf (msg, "station2=%d \n", br[2]);
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write_console (msg, strlen(msg), coords, si_attr);
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coords.Y++;
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sprintf (msg, "station3=%d \n", br[3]);
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write_console (msg, strlen(msg), coords, si_attr);
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coords.Y++;
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sprintf (msg, "station4=%d \n", br[4]);
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write_console (msg, strlen(msg), coords, si_attr);
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coords.Y++;
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sprintf (msg, "taxi=%d \n", w);
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write_console (msg, strlen(msg), coords, si_attr);
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ReleaseSemaphore (hs_ds, 1, NULL);
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}
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static
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void draw_station(int station)
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{
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char msg[100];
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COORD coords;
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int j;
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WaitForSingleObject (hs_st, INFINITE);
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if (station == 1)
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{
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int br1, n, c;
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coords.X = 34;
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coords.Y = 3;
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write_console (" st1 ", 5, coords, st_attr);
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coords.Y++;
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write_console ("-----", 5, coords, st_attr);
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br1 = add_br (1, 0);
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coords.X = 40;
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c = 3;
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while (c-- > 0)
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{
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n = 5;
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if (br1 < 5)
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n = br1;
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if (n != 0)
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for (j = 5; j > 5-n; j--)
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{
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coords.Y = j - 1;
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write_console ("*", 1, coords, si_attr);
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}
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if (n != 5)
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for (j = 5-n; j > 0; j--)
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{
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coords.Y = j - 1;
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write_console (" ", 1, coords, si_attr);
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}
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coords.X++;
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br1 -= n;
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}
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}
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else
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if (station == 3)
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{
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int br3, n, c;
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coords.X = 34;
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coords.Y = 20;
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write_console (" st3 ", 5, coords, st_attr);
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coords.Y--;
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write_console ("-----", 5, coords, st_attr);
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br3 = add_br (3, 0);
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coords.X = 33;
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c = 3;
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while (c-- > 0)
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{
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n = 5;
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if (br3 < 5)
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n = br3;
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if (n != 0)
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for (j = 0; j < n; j++)
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{
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coords.Y = 20 + j;
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write_console ("*", 1, coords, si_attr);
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}
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if (n != 5)
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for (j = n; j < 5; j++)
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{
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coords.Y = 20 + j;
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write_console (" ", 1, coords, si_attr);
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}
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coords.X--;
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br3 -= n;
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}
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}
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else
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if (station == 2)
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{
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int br2, n, c;
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coords.X = 69;
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coords.Y = 11;
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write_console ("st2", 3, coords, st_attr);
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coords.X -= 2;
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for (j = 14; j >= 10; j--)
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{
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coords.Y = j;
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write_console ("|", 1, coords, st_attr);
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}
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br2 = add_br (2, 0);
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coords.Y = 13;
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c = 3;
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while (c-- > 0)
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{
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n = 5;
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if (br2 < 5)
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n = br2;
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coords.X = 79;
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write_console (" ", 1, coords, si_attr);
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coords.Y++;
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coords.X = 68;
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write_console ("*****", br2, coords, si_attr);
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coords.X = 68+n;
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write_console (" ", 11-n, coords, si_attr);
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coords.Y++;
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coords.X = 79;
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write_console (" ", 1, coords, si_attr);
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coords.Y--;
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br2 -= n;
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}
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}
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else
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if (station == 4)
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{
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int br4, n, c;
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coords.X = 7;
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coords.Y = 13;
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write_console ("st4", 3, coords, st_attr);
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coords.X += 4;
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for (j = 10; j <= 14; j++)
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{
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coords.Y = j;
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write_console ("|", 1, coords, st_attr);
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}
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coords.Y = 9;
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br4 = add_br (4, 0);
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c = 3;
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while (c-- > 0)
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{
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n = 5;
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if (br4 < 5)
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n = br4;
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coords.X = 0;
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write_console (" ", 1, coords, si_attr);
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coords.Y++;
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write_console (" ", 10, coords, si_attr);
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coords.X = 10 - n;
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write_console ("**********", n, coords, si_attr);
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coords.Y++;
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coords.X = 0;
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write_console (" ", 1, coords, si_attr);
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coords.Y--;
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br4 -= n;
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}
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}
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ReleaseSemaphore (hs_st, 1, NULL);
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}
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int
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main (void)
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{
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int N; // a passengers on the all stations
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int i, j;
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COORD coords; // a cursor coords
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DWORD len;
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int br1, br2, br3, br4; // a passengers on the station X
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init_scr();
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printf ("Taxi and passengers simulator:\n");
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while (1)
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{
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printf (" enter a max passengers number on the stations (0..20) = ");
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scanf ("%d", &N);
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if ((N >= 0) && (N<=20))
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break;
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}
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while (1)
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{
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printf (" enter a passengers on the taxi (0..10) = ");
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scanf ("%d", &w);
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if ((w >= 0) && (w<=10))
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break;
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}
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init_scr();
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srand (time (0));
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br1 = rand () % 6; // passngers on the station1, 0..5
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if (br1 > N)
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br1 = N;
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br2 = rand () % 6;
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if (br2 > N - br1)
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br2 = N - br1;
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br3 = rand () % 6;
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if (br3 > N - br1 - br2)
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br3 = N - br1 - br2;
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br4 = N - br1 - br2 - br3;
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while (br4 > 5)
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{
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br4--;
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if (br1 < 5) { br1++; continue; }
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if (br2 < 5) { br2++; continue; }
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if (br3 < 5) { br3++; continue; }
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}
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hs_br = CreateSemaphore (NULL, 1, 1, NULL);
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hs_wc = CreateSemaphore (NULL, 1, 1, NULL);
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hs_ds = CreateSemaphore (NULL, 1, 1, NULL);
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hs_st = CreateSemaphore (NULL, 1, 1, NULL);
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draw_statistics();
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for (i=1; i<=4; i++)
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draw_station(i);
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htaxi = CreateThread (NULL, 4096, Taxi, NULL, 0, NULL);
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for (i = 0; i < br1; i++) {
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srand(time(0));
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Sleep(600*(4+rand()%10));
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hproc[i] = CreateThread (NULL, 4096, Si1, NULL, 0, NULL);
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}
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for (i = 0; i < br2; i++) {
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srand(time(0));
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Sleep(400*(4+rand()%10));
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hproc2[i] = CreateThread (NULL, 4096, Si2, NULL, 0, NULL);
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}
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for (i = 0; i < br3; i++) {
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srand(time(0));
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Sleep(600*(4+rand()%10));
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hproc3[i] = CreateThread (NULL, 4096, Si3, NULL, 0, NULL);
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}
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for (i = 0; i < br4; i++) {
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srand(time(0));
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Sleep(600*(4+rand()%10));
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hproc4[i] = CreateThread (NULL, 4096, Si4, NULL, 0, NULL);
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}
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getch ();
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restore_scr();
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return 0;
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}
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static
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void draw_taxi (int orientation, COORD coords)
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{
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static int old_orientation;
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static COORD old_coords;
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if (orientation != 0) {
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old_orientation = orientation;
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old_coords = coords;
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}
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else {
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orientation = old_orientation;
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coords = old_coords;
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}
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if (orientation == 1)
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{
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int f, b, ii;
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f = 5;
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if (w < 5)
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f = w;
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b = w - f;
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write_console (" ----- ", 8, coords, tx_attr);
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coords.Y++;
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write_console (" | |", 8, coords, tx_attr);
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coords.X += 2 + 5 - b;
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write_console ( "ooooo", b, coords, tx_attr);
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coords.X -= 2 + 5 - b;
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coords.Y++;
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write_console (" | |", 8, coords, tx_attr);
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coords.X += 2 + 5 - f;
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write_console ( "ooooo", f, coords, tx_attr);
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coords.X -= 2 + 5 - f;
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coords.Y++;
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write_console (" ----- ", 8, coords, tx_attr);
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for (ii=0; ii<5; ii++)
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{
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coords.Y++;
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write_console (" ", 8, coords, tx_attr);
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}
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}
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else
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if (orientation == 2)
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{
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COORD coords2;
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int f, b, ii;
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f = 5;
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if (f > w)
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f = w;
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b = w - f;
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coords2.X = coords.X;
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coords.Y--;
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write_console (" ", 7, coords, tx_attr);
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coords.Y++;
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write_console (" -- ", 7, coords, tx_attr);
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for (ii=0; ii < 5; ii++)
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{
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coords2.Y = coords.Y + 5 - ii;
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if (f && b) {
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write_console (" |oo| ", 7, coords2, tx_attr);
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f--; b--;
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}
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else
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if (f) {
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write_console (" |o | ", 7, coords2, tx_attr);
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f--;
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}
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else {
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write_console (" | | ", 7, coords2, tx_attr);
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}
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}
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coords.Y += 6;
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write_console (" -- ", 7, coords, tx_attr);
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}
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else
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if (orientation == 3)
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{
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int ii;
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for (ii=0; ii < 4; ii++)
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{
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write_console (" ", 8, coords, tx_attr);
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coords.Y++;
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}
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write_console (" ----- ", 8, coords, tx_attr);
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coords.Y++;
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write_console ("| | ", 8, coords, tx_attr);
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coords.X++;
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ii = 5;
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if (w < 5)
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ii = w;
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write_console ( "ooooo", ii, coords, tx_attr);
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coords.X--;
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coords.Y++;
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write_console ("| | ", 8, coords, tx_attr);
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coords.X++;
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ii = w - ii;
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write_console ( "ooooo", ii, coords, tx_attr);
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coords.X--;
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coords.Y++;
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write_console (" ----- ", 8, coords, tx_attr);
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}
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else
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if (orientation == 4)
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{
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int f, b, ii;
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f = 5;
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if (f > w)
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f = w;
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b = w - f;
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write_console (" -- ", 7, coords, tx_attr);
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for (ii=0; ii < 5; ii++)
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{
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coords.Y++;
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if (f && b) {
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write_console (" |oo| ", 7, coords, tx_attr);
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f--; b--;
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}
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else
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if (f) {
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write_console (" | o| ", 7, coords, tx_attr);
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f--;
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}
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else
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write_console (" | | ", 7, coords, tx_attr);
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}
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coords.Y++;
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write_console (" -- ", 7, coords, tx_attr);
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coords.Y++;
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write_console (" ", 7, coords, tx_attr);
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}
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}
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DWORD WINAPI
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Taxi (LPVOID _unused_thread_parm)
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{
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int i, ii, j, k, f, b;
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int empty_st;
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COORD coords;
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DWORD len;
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char msg[100];
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for (j = 0; j < 48; j++) // taxi left
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{
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coords.X = 59 - j;
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coords.Y = 11;
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draw_taxi (3, coords);
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if (j == 23) // station 3 for a passengers exit
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{
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int br3 = add_br (3, 0);
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empty_st = (br3 == 0);
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srand (time (0));
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f = rand () % (16 - br3); // passengers can be on the station
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if (w)
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{
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while(f)
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{
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if (w==0)
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break;
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f--;
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w--;
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add_br (3, 1);
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draw_statistics();
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draw_station(3);
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draw_taxi(0, coords);
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Sleep (300);
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}
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Sleep (3000);
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}
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}
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if (j == 28) // station 3 for enter
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{
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int br3 = add_br (3, 0);
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f = rand () % (11 - w); // passengers into taxi
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if (br3 && !empty_st)
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{
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while (br3 > 0 && f > 0)
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{
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f--;
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w++;
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br3 = add_br (3, -1);
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draw_statistics();
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draw_station(3);
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draw_taxi(0, coords);
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Sleep (300);
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}
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Sleep (3000);
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}
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}
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Sleep (300);
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}
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for (i = 0; i < 10; i++) // taxi up
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{
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coords.X = 12;
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coords.Y = 15 - i;
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draw_taxi(4, coords);
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if (i == 4) // station 4 for exit
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{
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int br4 = add_br (4, 0);
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empty_st = (br4 == 0);
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srand (time (0));
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f = rand () % (16 - br4);
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if (w)
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{
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while(f)
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{
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if (w==0)
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break;
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f--;
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w--;
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add_br (4, 1);
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draw_statistics();
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draw_station(4);
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draw_taxi(0, coords);
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Sleep (300);
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}
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Sleep (3000);
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}
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}
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if (i == 7) // station 4 for enter
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{
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int br4 = add_br (4, 0);
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f = rand () % (11 - w);
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if (br4 && !empty_st)
|
|
{
|
|
while (br4 > 0 && f > 0)
|
|
{
|
|
f--;
|
|
w++;
|
|
br4 = add_br (4, -1);
|
|
|
|
draw_statistics();
|
|
draw_station(4);
|
|
draw_taxi(0, coords);
|
|
Sleep (300);
|
|
}
|
|
Sleep (3000);
|
|
}
|
|
}
|
|
Sleep (300);
|
|
}
|
|
|
|
for (k = 0; k < 48; k++) // taxi rigth
|
|
{
|
|
coords.X = 12 + k;
|
|
coords.Y = 5;
|
|
draw_taxi (1, coords);
|
|
|
|
if (k == 19) // station 1 for exit
|
|
{
|
|
int br1 = add_br (1, 0);
|
|
empty_st = (br1 == 0);
|
|
|
|
srand (time (0));
|
|
f = rand () % (16 - br1);
|
|
|
|
if (w)
|
|
{
|
|
while(f)
|
|
{
|
|
if (w==0)
|
|
break;
|
|
|
|
f--;
|
|
w--;
|
|
add_br (1, 1);
|
|
draw_statistics();
|
|
draw_station(1);
|
|
draw_taxi(0, coords);
|
|
Sleep (300);
|
|
}
|
|
Sleep (3000);
|
|
}
|
|
}
|
|
|
|
if (k == 23) // station 1 for enter
|
|
{
|
|
int br1 = add_br (1, 0);
|
|
f = rand () % (11 - w);
|
|
|
|
if (br1 && !empty_st)
|
|
{
|
|
while (br1 > 0 && f > 0)
|
|
{
|
|
f--;
|
|
w++;
|
|
br1 = add_br (1, -1);
|
|
|
|
draw_statistics();
|
|
draw_station(1);
|
|
draw_taxi(0, coords);
|
|
Sleep (300);
|
|
}
|
|
Sleep (3000);
|
|
}
|
|
}
|
|
Sleep (300);
|
|
}
|
|
|
|
for (i = 0; i < 9; i++) // taxi down
|
|
{
|
|
coords.X = 60;
|
|
coords.Y = 3 + i;
|
|
draw_taxi (2, coords);
|
|
|
|
if (i == 4) // station 2 for exit
|
|
{
|
|
int br2 = add_br (2, 0);
|
|
empty_st = (br2 == 0);
|
|
|
|
srand (time (0));
|
|
f = rand () % (16 - br2);
|
|
|
|
if (w)
|
|
{
|
|
while(f)
|
|
{
|
|
if (w==0)
|
|
break;
|
|
|
|
f--;
|
|
w--;
|
|
add_br (2, 1);
|
|
draw_statistics();
|
|
draw_station(2);
|
|
draw_taxi(0, coords);
|
|
Sleep (300);
|
|
}
|
|
Sleep (3000);
|
|
}
|
|
}
|
|
|
|
if (i == 6) // station 2 for enter
|
|
{
|
|
int br2 = add_br (2, 0);
|
|
f = rand () % (11 - w);
|
|
|
|
if (br2 && !empty_st)
|
|
{
|
|
while (br2 > 0 && f > 0)
|
|
{
|
|
f--;
|
|
w++;
|
|
br2 = add_br (2, -1);
|
|
|
|
draw_statistics();
|
|
draw_station(2);
|
|
draw_taxi(0, coords);
|
|
Sleep (300);
|
|
}
|
|
Sleep (3000);
|
|
}
|
|
}
|
|
|
|
Sleep (300);
|
|
}
|
|
|
|
ht2 = CreateThread (NULL, 4096, Taxi, NULL, 0, NULL); // endless loop
|
|
return 0;
|
|
}
|
|
|
|
DWORD WINAPI
|
|
Si1 (LPVOID _unused_thread_parm) // a passengers thread for the station 1
|
|
{
|
|
int a, j, n;
|
|
COORD coords;
|
|
|
|
srand (time (0));
|
|
a = 6 + rand () % 74; // a new passengers number, 6..79
|
|
|
|
while (a != 40)
|
|
{
|
|
if (a < 40)
|
|
a++;
|
|
else
|
|
a--;
|
|
|
|
coords.X = a;
|
|
coords.Y = 0;
|
|
|
|
if (a < 40)
|
|
write_console (" *", 2, coords, si_attr);
|
|
else
|
|
write_console ("* ", 2, coords, si_attr);
|
|
|
|
Sleep (1000);
|
|
}
|
|
|
|
add_br (1, 1);
|
|
draw_station(1);
|
|
draw_statistics();
|
|
|
|
Sleep (1000);
|
|
return 0;
|
|
}
|
|
|
|
DWORD WINAPI
|
|
Si3 (LPVOID _unused_thread_parm) // a passengers thread for the station 3
|
|
{
|
|
int b, j, n;
|
|
COORD coords;
|
|
|
|
srand (time (0));
|
|
b = 1 + rand () % 79;
|
|
|
|
while (b != 33)
|
|
{
|
|
if (b < 33)
|
|
b++;
|
|
else
|
|
b--;
|
|
|
|
coords.X = b;
|
|
coords.Y = 24;
|
|
|
|
if (b < 33)
|
|
write_console (" *", 2, coords, si_attr);
|
|
else
|
|
write_console ("* ", 2, coords, si_attr);
|
|
|
|
Sleep (1000);
|
|
}
|
|
|
|
add_br (3, 1);
|
|
draw_station(3);
|
|
draw_statistics();
|
|
|
|
Sleep (1000);
|
|
return 0;
|
|
}
|
|
|
|
DWORD WINAPI
|
|
Si4 (LPVOID _unused_thread_parm) // a passengers thread for the station 4
|
|
{
|
|
|
|
int c, j, n;
|
|
COORD coords;
|
|
|
|
srand (time (0));
|
|
c = 6 + rand () % 19; // a new passengers number, 6..24
|
|
|
|
coords.X = 0;
|
|
while (c != 10)
|
|
{
|
|
coords.Y = c;
|
|
write_console ("*", 1, coords, si_attr);
|
|
|
|
if (c < 10) {
|
|
c++;
|
|
coords.Y--;
|
|
}
|
|
else {
|
|
c--;
|
|
coords.Y++;
|
|
}
|
|
write_console (" ", 1, coords, si_attr);
|
|
|
|
Sleep (1000);
|
|
}
|
|
|
|
add_br (4, 1);
|
|
draw_station(4);
|
|
draw_statistics();
|
|
|
|
Sleep (1000);
|
|
return 0;
|
|
}
|
|
|
|
DWORD WINAPI
|
|
Si2 (LPVOID _unused_thread_parm) // a passengers thread for the station 2
|
|
{
|
|
int d, j, n;
|
|
COORD coords;
|
|
|
|
srand (time (0));
|
|
d = 1 + rand () % 24; // a new passengers number, 1..24
|
|
|
|
coords.X = 79;
|
|
while (d != 14)
|
|
{
|
|
coords.Y = d;
|
|
write_console ("*", 1, coords, si_attr);
|
|
if (d < 14)
|
|
{
|
|
d++;
|
|
coords.Y--;
|
|
}
|
|
else
|
|
{
|
|
d--;
|
|
coords.Y++;
|
|
}
|
|
write_console (" ", 1, coords, si_attr);
|
|
Sleep (1000);
|
|
}
|
|
|
|
add_br (2, 1);
|
|
draw_station(2);
|
|
draw_statistics();
|
|
|
|
Sleep (1000);
|
|
return 0;
|
|
}
|
|
|
|
UINT oldcp; // CodePage on the program start
|
|
CONSOLE_CURSOR_INFO old_ci;
|
|
|
|
void init_scr()
|
|
{
|
|
hstdout = GetStdHandle (STD_OUTPUT_HANDLE);
|
|
if (hstdout == INVALID_HANDLE_VALUE)
|
|
{
|
|
printf ("Error, can't get console handle\n");
|
|
exit (1);
|
|
}
|
|
|
|
if (oldcp == 0)
|
|
{
|
|
oldcp = GetConsoleOutputCP();
|
|
SetConsoleOutputCP(CP_UTF8);
|
|
|
|
GetConsoleCursorInfo (hstdout, &old_ci);
|
|
}
|
|
else
|
|
{
|
|
CONSOLE_CURSOR_INFO new_ci;
|
|
|
|
new_ci.bVisible = FALSE;
|
|
new_ci.dwSize = old_ci.dwSize;
|
|
SetConsoleCursorInfo (hstdout, &new_ci);
|
|
}
|
|
|
|
clrscr ();
|
|
}
|
|
|
|
void restore_scr()
|
|
{
|
|
SetConsoleOutputCP(oldcp);
|
|
SetConsoleCursorInfo (hstdout, &old_ci);
|
|
clrscr ();
|
|
}
|
|
|
|
void clrscr()
|
|
{
|
|
CONSOLE_SCREEN_BUFFER_INFO csbi;
|
|
DWORD nocw;
|
|
COORD coords;
|
|
|
|
SetConsoleTextAttribute (hstdout, FOREGROUND_RED|FOREGROUND_BLUE|FOREGROUND_GREEN);
|
|
GetConsoleScreenBufferInfo (hstdout, &csbi);
|
|
|
|
// printf ("csbi.dwSize.X=%u csbi.dwSize.Y=%u\n",
|
|
// csbi.dwSize.X, csbi.dwSize.Y);
|
|
// getch ();
|
|
|
|
coords.X=0; coords.Y=0;
|
|
SetConsoleCursorPosition (hstdout, coords);
|
|
FillConsoleOutputCharacterA(hstdout, ' ', csbi.dwSize.X * csbi.dwSize.Y, coords, &nocw);
|
|
}
|
|
|
|
void write_console(const char *msg, DWORD len, COORD coords, DWORD attr)
|
|
{
|
|
DWORD len2;
|
|
|
|
WaitForSingleObject (hs_wc, INFINITE);
|
|
|
|
SetConsoleTextAttribute (hstdout, attr);
|
|
SetConsoleCursorPosition (hstdout, coords);
|
|
WriteConsole (hstdout, msg, len, &len2, NULL);
|
|
|
|
ReleaseSemaphore (hs_wc, 1, NULL);
|
|
}
|
|
|
|
int add_br (int n, int addon)
|
|
{
|
|
int new;
|
|
|
|
WaitForSingleObject (hs_br, INFINITE);
|
|
br[n] += addon;
|
|
new = br[n];
|
|
ReleaseSemaphore (hs_br, 1, NULL);
|
|
|
|
return new;
|
|
}
|