changed system dependant code, added unix availability
This commit is contained in:
afrangry
parent
475639b711
commit
3e3238a389
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@ -6,12 +6,33 @@
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* as published by Sam Hocevar. See the COPYING file for more details.
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*/
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#include <conio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <string.h>
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#if defined(MSDOS) || defined(_WIN16)
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#define HAVE_CONIO_H 1
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#elif defined(_WIN32) || defined(_WIN64)
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#define HAVE_WINDOWS_H 1
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#elif defined(__unix) || defined(__unix__) || defined(__APPLE__) || \
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defined(__MACH__)
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#include <unistd.h>
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#define HAVE_TERMIOS_H 1
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#include <termios.h>
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static struct termios old = { 0, 0, 0, 0, '\0', 0, 0, 0 };
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static struct termios new = { 0, 0, 0, 0, '\0', 0, 0, 0 };
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#define HAVE_ANSI_ESCAPE_CODE 1
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#endif
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#if defined(HAVE_CONIO_H)
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#include <conio.h>
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#endif
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#if defined(HAVE_WINDOWS_H)
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#include <windows.h>
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#endif
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#define N 4
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typedef struct arr_t {
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int x; /* position on x-axis from left to right */
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@ -27,6 +48,12 @@ static int number = 0; /* highest number of current game */
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static int getindex(int *, int, int *) /*@*/;
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static int *arr2ptr(/*@returned@*/ int *, arr_t) /*@*/;
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static arr_t ptr2arr(int *, int *) /*@*/;
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/*@unused@*/ static int
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tty_break(void) /*@globals old, new@*/ /*@modifies new@*/;
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static int tty_getch(void) /*@*/;
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/*@unused@*/ static int tty_fix(void) /*@globals old*/ /*@modifies nothing@*/;
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static void tty_cls(void) /*@globals old, new@*/ /*@modifies new@*/;
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static void map_init(int *map) /*@modifies *map@*/;
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static void cpymap(int *dst, int *) /*@modifies *dst@*/;
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static void trans(int *map, int) /*@modifies *map@*/;
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static void prtwelcome(void) /*@globals fileSystem, hiscore, hinum@*/
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@ -83,7 +110,7 @@ getindex(int *arr, int arrsize, int *ptr) /*@*/
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* 'arr': arr to be converted
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*/
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static int * /* return pointer to given arr */
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arr2ptr(/*@returned@*/ int *start, arr_t arr) /*@modifies nothing@*/
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arr2ptr(/*@returned@*/ int *start, arr_t arr) /*@*/
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{
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return &start[arr.x + N * arr.y];
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}
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@ -94,7 +121,7 @@ arr2ptr(/*@returned@*/ int *start, arr_t arr) /*@modifies nothing@*/
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* 'ptr': pointer to be converted
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*/
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static arr_t /* return arr of given pointer */
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ptr2arr(int *start, int *ptr) /*@modifies nothing@*/
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ptr2arr(int *start, int *ptr) /*@*/
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{
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arr_t arr = { 0, 0 }; /* arr of given tile */
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int ptrindex =
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@ -105,6 +132,162 @@ ptr2arr(int *start, int *ptr) /*@modifies nothing@*/
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return arr;
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}
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/*
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* changes terminal behavior to not wait for enter, not echo
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*/
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static int /* return 0 on success, -1 otherwise */
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tty_break(void) /*@globals new, old@*/ /*@modifies new@*/
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{
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#if defined(HAVE_CONIO_H)
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return 0;
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#elif defined(HAVE_WINDOWS_H)
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return 0;
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#elif defined(HAVE_TERMIOS_H)
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if (tcgetattr(0, &old) == -1) {
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return -1;
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}
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new = old;
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new.c_lflag &= ~ICANON;
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new.c_lflag &= ~ECHO;
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if (tcsetattr(0, TCSANOW, &new) == -1) {
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return -1;
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}
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return 0;
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#else
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return 0;
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#endif
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}
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/*
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* get single character without waiting for enter or echoing
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* equivalent to getchar() if not supported by system
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*/
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static int /* return input character, EOF on failure */
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tty_getch(void) /*@globals old, new*/ /*@modifies new@*/
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{
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#if defined(HAVE_CONIO_H)
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return getch();
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#elif defined(HAVE_WINDOWS_H)
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HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
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INPUT_RECORD irInputRecord;
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DWORD dwEventsRead;
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CHAR cChar;
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while (ReadConsoleInputA(hStdin, &irInputRecord, 1,
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&dwEventsRead)) /* Read key press */
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if (irInputRecord.EventType == KEY_EVENT &&
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irInputRecord.Event.KeyEvent.wVirtualKeyCode != VK_SHIFT &&
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irInputRecord.Event.KeyEvent.wVirtualKeyCode != VK_MENU &&
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irInputRecord.Event.KeyEvent.wVirtualKeyCode !=
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VK_CONTROL) {
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cChar = irInputRecord.Event.KeyEvent.uChar.AsciiChar;
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ReadConsoleInputA(
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hStdin, &irInputRecord, 1,
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&dwEventsRead); /* Read key release */
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return cChar;
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}
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return EOF;
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#elif defined(HAVE_TERMIOS_H)
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int ch;
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if (tty_break() == -1) {
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return EOF;
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}
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ch = getchar();
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if (tty_fix() == -1) {
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return EOF;
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}
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return ch;
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#else
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return getchar();
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#endif
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}
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/*
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* restore terminal behavior to original state
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*/
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static int /* return 0 on success, -1 otherwise */
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tty_fix(void) /*@globals old*/ /*@modifies nothing@*/
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{
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#if defined(HAVE_CONIO_H)
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return 0;
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#elif defined(HAVE_WINDOWS_H)
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return 0;
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#elif defined(HAVE_TERMIOS_H)
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return tcsetattr(0, TCSANOW, &old);
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#else
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return 0;
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#endif
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}
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/*
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* clear terminal screen
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*/
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static void
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tty_cls(void) /*@globals fileSystem@*/ /*@modifies fileSystem@*/
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{
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#if defined(HAVE_CONIO_H)
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return clrscr();
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#elif defined(HAVE_WINDOWS_H)
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HANDLE hStdOut;
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CONSOLE_SCREEN_BUFFER_INFO csbi;
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DWORD count;
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DWORD cellCount;
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COORD homeCoords = { 0, 0 };
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hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
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if (hStdOut == INVALID_HANDLE_VALUE) {
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return;
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}
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/* Get the number of cells in the current buffer */
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if (!GetConsoleScreenBufferInfo(hStdOut, &csbi)) {
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return;
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}
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cellCount = csbi.dwSize.X * csbi.dwSize.Y;
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/* Fill the entire buffer with spaces */
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if (!FillConsoleOutputCharacter(hStdOut, (TCHAR)' ', cellCount,
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homeCoords, &count)) {
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return;
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}
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/* Fill the entire buffer with the current colors and attributes */
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if (!FillConsoleOutputAttribute(hStdOut, csbi.wAttributes, cellCount,
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homeCoords, &count)) {
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return;
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}
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/* Move the cursor home */
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SetConsoleCursorPosition(hStdOut, homeCoords);
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#elif defined(HAVE_ANSI_ESCAPE_CODE)
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printf("\033[2J");
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printf("\033[%d;%dH", 1, 1);
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#else
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return;
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#endif
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}
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/*
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* fill map with 0
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*/
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static void
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map_init(int *map) /*@modifies *map@*/
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{
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int i = 0;
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int j = 0;
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for (i = 0; i < N; i++) {
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for (j = 0; j < N; j++) {
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arr_t tmparr = { 0, 0 }; /* temp arr */
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tmparr.x = j;
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tmparr.y = i;
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*arr2ptr(map, tmparr) = 0;
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}
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}
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}
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/*
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* copy source map to destination map
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* 'dst': pointer to first element of destination map
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@ -142,7 +325,7 @@ trans(int *map, int times) /*@modifies *map@*/
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if (times == 0) {
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return;
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}
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memset(ptrtmp, 0, sizeof(tmp));
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map_init(ptrtmp);
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for (i = 0; i < N; i++) {
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for (j = 0; j < N; j++) {
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arr_t maparr = ptr2arr(map, curmap); /* current arr of
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@ -573,7 +756,7 @@ turn(int *map) /*@globals internalState, fileSystem, score@*/
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/*@modifies internalState, fileSystem, score, *map@*/
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{
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int haschanged = 0; /* 1 if change is made, 0 otherwise */
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char input = (char)getch(); /* input character */
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char input = (char)tty_getch(); /* input character */
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enum ctrl tmp = input_to_ctrl(input); /* ctrl enum */
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int times = 0; /* rotation time */
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@ -590,7 +773,7 @@ turn(int *map) /*@globals internalState, fileSystem, score@*/
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if (haschanged == 0) {
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return 0;
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}
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(void)system("cls");
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tty_cls();
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(void)genrnd(map);
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prt(map);
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return 0;
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@ -608,7 +791,7 @@ game(int *map) /*@globals internalState, fileSystem, score@*/
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(void)genrnd(map);
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(void)genrnd(map);
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(void)system("cls");
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tty_cls();
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prt(map);
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while (end == 0 && is_over(map) == 0) {
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end = turn(map);
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@ -644,17 +827,18 @@ main(void)
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int map[N][N] = { { 0 } }; /* map of tiles */
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int *ptrmap = &map[0][0]; /* pointer to first element of map */
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memset(ptrmap, 0, sizeof(map));
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map_init(ptrmap);
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srand((unsigned int)time(NULL));
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do {
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memset(ptrmap, 0, sizeof(map));
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(void)system("cls");
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map_init(ptrmap);
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tty_cls();
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prtwelcome();
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if ((char)getch() != ' ') {
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if ((char)tty_getch() != ' ') {
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break;
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}
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game(ptrmap);
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gg(ptrmap);
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} while ((char)getch() == ' ');
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} while ((char)tty_getch() == ' ');
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tty_cls();
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return 0;
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}
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