From 30a5f910dc22cd9151191f4ad2d5e60965387a9c Mon Sep 17 00:00:00 2001
From: mch <2243739779@qq.com>
Date: Tue, 16 May 2023 19:49:55 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=A0=E9=99=A4=20'2048.c'?=
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---
 2048.c | 439 ---------------------------------------------------------
 1 file changed, 439 deletions(-)
 delete mode 100644 2048.c

diff --git a/2048.c b/2048.c
deleted file mode 100644
index e1a4178..0000000
--- a/2048.c
+++ /dev/null
@@ -1,439 +0,0 @@
-/*
- ============================================================================
- Name        : 2048.c
- Author      : Maurits van der Schee
- Description : Console version of the game "2048" for GNU/Linux
- ============================================================================
- */
-
-#define _XOPEN_SOURCE 500
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <termios.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <time.h>
-#include <signal.h>
-
-#define SIZE 4
-uint32_t score=0;
-uint8_t scheme=0;
-
-void getColor(uint8_t value, char *color, size_t length) {
-	uint8_t original[] = {8,255,1,255,2,255,3,255,4,255,5,255,6,255,7,255,9,0,10,0,11,0,12,0,13,0,14,0,255,0,255,0};
-	uint8_t blackwhite[] = {232,255,234,255,236,255,238,255,240,255,242,255,244,255,246,0,248,0,249,0,250,0,251,0,252,0,253,0,254,0,255,0};
-	uint8_t bluered[] = {235,255,63,255,57,255,93,255,129,255,165,255,201,255,200,255,199,255,198,255,197,255,196,255,196,255,196,255,196,255,196,255};
-	uint8_t *schemes[] = {original,blackwhite,bluered};
-	uint8_t *background = schemes[scheme]+0;
-	uint8_t *foreground = schemes[scheme]+1;
-	if (value > 0) while (value--) {
-		if (background+2<schemes[scheme]+sizeof(original)) {
-			background+=2;
-			foreground+=2;
-		}
-	}
-	snprintf(color,length,"\033[38;5;%d;48;5;%dm",*foreground,*background);
-}
-
-void drawBoard(uint8_t board[SIZE][SIZE]) {
-	uint8_t x,y;
-	char c;
-	char color[40], reset[] = "\033[m";
-	printf("\033[H");
-
-	printf("2048.c %17d pts\n\n",score);
-
-	for (y=0;y<SIZE;y++) {
-		for (x=0;x<SIZE;x++) {
-			getColor(board[x][y],color,40);
-			printf("%s",color);
-			printf("       ");
-			printf("%s",reset);
-		}
-		printf("\n");
-		for (x=0;x<SIZE;x++) {
-			getColor(board[x][y],color,40);
-			printf("%s",color);
-			if (board[x][y]!=0) {
-				char s[8];
-				snprintf(s,8,"%u",(uint32_t)1<<board[x][y]);
-				uint8_t t = 7-strlen(s);
-				printf("%*s%s%*s",t-t/2,"",s,t/2,"");
-			} else {
-				printf("   ·   ");
-			}
-			printf("%s",reset);
-		}
-		printf("\n");
-		for (x=0;x<SIZE;x++) {
-			getColor(board[x][y],color,40);
-			printf("%s",color);
-			printf("       ");
-			printf("%s",reset);
-		}
-		printf("\n");
-	}
-	printf("\n");
-	printf("        ←,↑,→,↓ or q        \n");
-	printf("\033[A"); // one line up
-}
-
-uint8_t findTarget(uint8_t array[SIZE],uint8_t x,uint8_t stop) {
-	uint8_t t;
-	// if the position is already on the first, don't evaluate
-	if (x==0) {
-		return x;
-	}
-	for(t=x-1;t>=0;t--) {
-		if (array[t]!=0) {
-			if (array[t]!=array[x]) {
-				// merge is not possible, take next position
-				return t+1;
-			}
-			return t;
-		} else {
-			// we should not slide further, return this one
-			if (t==stop) {
-				return t;
-			}
-		}
-	}
-	// we did not find a
-	return x;
-}
-
-bool slideArray(uint8_t array[SIZE]) {
-	bool success = false;
-	uint8_t x,t,stop=0;
-
-	for (x=0;x<SIZE;x++) {
-		if (array[x]!=0) {
-			t = findTarget(array,x,stop);
-			// if target is not original position, then move or merge
-			if (t!=x) {
-				// if target is zero, this is a move
-				if (array[t]==0) {
-					array[t]=array[x];
-				} else if (array[t]==array[x]) {
-					// merge (increase power of two)
-					array[t]++;
-					// increase score
-					score+=(uint32_t)1<<array[t];
-					// set stop to avoid double merge
-					stop = t+1;
-				}
-				array[x]=0;
-				success = true;
-			}
-		}
-	}
-	return success;
-}
-
-void rotateBoard(uint8_t board[SIZE][SIZE]) {
-	uint8_t i,j,n=SIZE;
-	uint8_t tmp;
-	for (i=0; i<n/2; i++) {
-		for (j=i; j<n-i-1; j++) {
-			tmp = board[i][j];
-			board[i][j] = board[j][n-i-1];
-			board[j][n-i-1] = board[n-i-1][n-j-1];
-			board[n-i-1][n-j-1] = board[n-j-1][i];
-			board[n-j-1][i] = tmp;
-		}
-	}
-}
-
-bool moveUp(uint8_t board[SIZE][SIZE]) {
-	bool success = false;
-	uint8_t x;
-	for (x=0;x<SIZE;x++) {
-		success |= slideArray(board[x]);
-	}
-	return success;
-}
-
-bool moveLeft(uint8_t board[SIZE][SIZE]) {
-	bool success;
-	rotateBoard(board);
-	success = moveUp(board);
-	rotateBoard(board);
-	rotateBoard(board);
-	rotateBoard(board);
-	return success;
-}
-
-bool moveDown(uint8_t board[SIZE][SIZE]) {
-	bool success;
-	rotateBoard(board);
-	rotateBoard(board);
-	success = moveUp(board);
-	rotateBoard(board);
-	rotateBoard(board);
-	return success;
-}
-
-bool moveRight(uint8_t board[SIZE][SIZE]) {
-	bool success;
-	rotateBoard(board);
-	rotateBoard(board);
-	rotateBoard(board);
-	success = moveUp(board);
-	rotateBoard(board);
-	return success;
-}
-
-bool findPairDown(uint8_t board[SIZE][SIZE]) {
-	bool success = false;
-	uint8_t x,y;
-	for (x=0;x<SIZE;x++) {
-		for (y=0;y<SIZE-1;y++) {
-			if (board[x][y]==board[x][y+1]) return true;
-		}
-	}
-	return success;
-}
-
-uint8_t countEmpty(uint8_t board[SIZE][SIZE]) {
-	uint8_t x,y;
-	uint8_t count=0;
-	for (x=0;x<SIZE;x++) {
-		for (y=0;y<SIZE;y++) {
-			if (board[x][y]==0) {
-				count++;
-			}
-		}
-	}
-	return count;
-}
-
-bool gameEnded(uint8_t board[SIZE][SIZE]) {
-	bool ended = true;
-	if (countEmpty(board)>0) return false;
-	if (findPairDown(board)) return false;
-	rotateBoard(board);
-	if (findPairDown(board)) ended = false;
-	rotateBoard(board);
-	rotateBoard(board);
-	rotateBoard(board);
-	return ended;
-}
-
-void addRandom(uint8_t board[SIZE][SIZE]) {
-	static bool initialized = false;
-	uint8_t x,y;
-	uint8_t r,len=0;
-	uint8_t n,list[SIZE*SIZE][2];
-
-	if (!initialized) {
-		srand(time(NULL));
-		initialized = true;
-	}
-
-	for (x=0;x<SIZE;x++) {
-		for (y=0;y<SIZE;y++) {
-			if (board[x][y]==0) {
-				list[len][0]=x;
-				list[len][1]=y;
-				len++;
-			}
-		}
-	}
-
-	if (len>0) {
-		r = rand()%len;
-		x = list[r][0];
-		y = list[r][1];
-		n = (rand()%10)/9+1;
-		board[x][y]=n;
-	}
-}
-
-void initBoard(uint8_t board[SIZE][SIZE]) {
-	uint8_t x,y;
-	for (x=0;x<SIZE;x++) {
-		for (y=0;y<SIZE;y++) {
-			board[x][y]=0;
-		}
-	}
-	addRandom(board);
-	addRandom(board);
-	drawBoard(board);
-	score = 0;
-}
-
-void setBufferedInput(bool enable) {
-	static bool enabled = true;
-	static struct termios old;
-	struct termios new;
-
-	if (enable && !enabled) {
-		// restore the former settings
-		tcsetattr(STDIN_FILENO,TCSANOW,&old);
-		// set the new state
-		enabled = true;
-	} else if (!enable && enabled) {
-		// get the terminal settings for standard input
-		tcgetattr(STDIN_FILENO,&new);
-		// we want to keep the old setting to restore them at the end
-		old = new;
-		// disable canonical mode (buffered i/o) and local echo
-		new.c_lflag &=(~ICANON & ~ECHO);
-		// set the new settings immediately
-		tcsetattr(STDIN_FILENO,TCSANOW,&new);
-		// set the new state
-		enabled = false;
-	}
-}
-
-int test() {
-	uint8_t array[SIZE];
-	// these are exponents with base 2 (1=2 2=4 3=8)
-	uint8_t data[] = {
-		0,0,0,1,	1,0,0,0,
-		0,0,1,1,	2,0,0,0,
-		0,1,0,1,	2,0,0,0,
-		1,0,0,1,	2,0,0,0,
-		1,0,1,0,	2,0,0,0,
-		1,1,1,0,	2,1,0,0,
-		1,0,1,1,	2,1,0,0,
-		1,1,0,1,	2,1,0,0,
-		1,1,1,1,	2,2,0,0,
-		2,2,1,1,	3,2,0,0,
-		1,1,2,2,	2,3,0,0,
-		3,0,1,1,	3,2,0,0,
-		2,0,1,1,	2,2,0,0
-	};
-	uint8_t *in,*out;
-	uint8_t t,tests;
-	uint8_t i;
-	bool success = true;
-
-	tests = (sizeof(data)/sizeof(data[0]))/(2*SIZE);
-	for (t=0;t<tests;t++) {
-		in = data+t*2*SIZE;
-		out = in + SIZE;
-		for (i=0;i<SIZE;i++) {
-			array[i] = in[i];
-		}
-		slideArray(array);
-		for (i=0;i<SIZE;i++) {
-			if (array[i] != out[i]) {
-				success = false;
-			}
-		}
-		if (success==false) {
-			for (i=0;i<SIZE;i++) {
-				printf("%d ",in[i]);
-			}
-			printf("=> ");
-			for (i=0;i<SIZE;i++) {
-				printf("%d ",array[i]);
-			}
-			printf("expected ");
-			for (i=0;i<SIZE;i++) {
-				printf("%d ",in[i]);
-			}
-			printf("=> ");
-			for (i=0;i<SIZE;i++) {
-				printf("%d ",out[i]);
-			}
-			printf("\n");
-			break;
-		}
-	}
-	if (success) {
-		printf("All %u tests executed successfully\n",tests);
-	}
-	return !success;
-}
-
-void signal_callback_handler(int signum) {
-	printf("         TERMINATED         \n");
-	setBufferedInput(true);
-	printf("\033[?25h\033[m");
-	exit(signum);
-}
-
-int main(int argc, char *argv[]) {
-	uint8_t board[SIZE][SIZE];
-	char c;
-	bool success;
-
-	if (argc == 2 && strcmp(argv[1],"test")==0) {
-		return test();
-	}
-	if (argc == 2 && strcmp(argv[1],"blackwhite")==0) {
-		scheme = 1;
-	}
-	if (argc == 2 && strcmp(argv[1],"bluered")==0) {
-		scheme = 2;
-	}
-
-	printf("\033[?25l\033[2J");
-
-	// register signal handler for when ctrl-c is pressed
-	signal(SIGINT, signal_callback_handler);
-
-	initBoard(board);
-	setBufferedInput(false);
-	while (true) {
-		c=getchar();
-		if (c == -1){ //TODO: maybe replace this -1 with a pre-defined constant(if it's in one of header files)
-		    	puts("\nError! Cannot read keyboard input!");
-			break;
-		}
-		switch(c) {
-			case 97:	// 'a' key
-			case 104:	// 'h' key
-			case 68:	// left arrow
-				success = moveLeft(board);  break;
-			case 100:	// 'd' key
-			case 108:	// 'l' key
-			case 67:	// right arrow
-				success = moveRight(board); break;
-			case 119:	// 'w' key
-			case 107:	// 'k' key
-			case 65:	// up arrow
-				success = moveUp(board);    break;
-			case 115:	// 's' key
-			case 106:	// 'j' key
-			case 66:	// down arrow
-				success = moveDown(board);  break;
-			default: success = false;
-		}
-		if (success) {
-			drawBoard(board);
-			usleep(150000);
-			addRandom(board);
-			drawBoard(board);
-			if (gameEnded(board)) {
-				printf("         GAME OVER          \n");
-				break;
-			}
-		}
-		if (c=='q') {
-			printf("        QUIT? (y/n)         \n");
-			c=getchar();
-			if (c=='y') {
-				break;
-			}
-			drawBoard(board);
-		}
-		if (c=='r') {
-			printf("       RESTART? (y/n)       \n");
-			c=getchar();
-			if (c=='y') {
-				initBoard(board);
-			}
-			drawBoard(board);
-		}
-	}
-	setBufferedInput(true);
-
-	printf("\033[?25h\033[m");
-
-	return EXIT_SUCCESS;
-}