unified codebase
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8
Makefile
8
Makefile
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@ -4,11 +4,11 @@ LIBS = -lcurses
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all: 2048
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all: 2048
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2048: src/2048.c src/2048.h src/highscore_file.c
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2048: src/2048.c
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$(CC) $(CFLAGS) $(LDFLAGS) $(LIBS) src/2048.c src/highscore_file.c -o 2048
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$(CC) $(CFLAGS) $(LDFLAGS) $(LIBS) src/2048.c -o 2048
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2048nc: src/2048_no_curses.c src/2048.h src/highscore_file.c
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2048nc: src/2048.c
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$(CC) $(CFLAGS) $(LDFLAGS) src/2048_no_curses.c src/highscore_file.c -o 2048nc
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$(CC) -DNO_CURSES=1 $(CFLAGS) $(LDFLAGS) src/2048.c -o 2048nc
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clean:
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clean:
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rm -f 2048 2048nc
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rm -f 2048 2048nc
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245
src/2048.c
245
src/2048.c
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@ -1,20 +1,69 @@
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/*
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/*
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* 2048.c - Main version that should be worked on.
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* 2048.c - The game 2048 for your Linux terminal.
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*
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* Copyright (c) 2014 Tiehuis
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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*
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* Things to do:
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* Things to do:
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* - Finish cleaning up code.
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* - Finish cleaning up code.
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* - Ask user if they would like to play again instead of exiting immediately.
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* - Ask user if they would like to play again instead of exiting immediately.
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* - Add an actual goal (what happens when we reach 2048?).
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* - Add an actual goal (what happens when we reach 2048?).
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* - Keep track list of past scores, and store in a better fashion independent
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* - Keep track list of past scores, and store in a better fashion independent
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* of cwd. Also, store in not in plaintext.
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* of cwd. Also, store not in plaintext.
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* */
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* */
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#include <stdlib.h> /* for malloc */
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#include <stdlib.h> /* for malloc */
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#include <stdio.h> /* for printf, FILE */
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#include <string.h> /* for strlen, strrchr */
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#include <sys/stat.h> /* for mkdir */
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#include <time.h> /* for time */
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#include <time.h> /* for time */
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#include <unistd.h> /* for getopts */
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#include <unistd.h> /* for getopts */
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#include <ncurses.h>
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#include "2048.h"
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#ifndef NO_CURSES
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#include <ncurses.h> /* for ncurses terminal */
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#else /* ifndef NO_CURSES */
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#include <termios.h> /* for plain terminal */
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#endif /* ifndef NO_CURSES */
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/* Constants */
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#define DATADIR_NAME "2048"
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#define HIGHSCORE_FILE_NAME "highscore"
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#define DEFAULT_GRID_SIZE 4
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#define HISCORE_FILE get_highscore_file()
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#define USAGE_STR\
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"Usage:\n"\
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" ./2048 [options]\n"\
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"\n"\
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"Controls:\n"\
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" hjkl, wasd Movement\n"\
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" q Quit\n"\
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"\n"\
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"Options:\n"\
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" -s <size> Set the grid border length\n"\
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" -b <rate> Set the block spawn rate\n"\
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" -c Enables color support (ncurses version only)\n"\
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" -C Disables color support (ncurses version only)\n"
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/* Globals */
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int **grid; /* grid pointer */
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int **grid; /* grid pointer */
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int grid_size; /* grid size */
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int grid_size; /* grid size */
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int score; /* score */
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int score; /* score */
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@ -22,6 +71,70 @@ int score_last; /* Score for last move */
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int score_high; /* Hiscore */
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int score_high; /* Hiscore */
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int printwidth; /* maximum length of any value in grid, for printing */
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int printwidth; /* maximum length of any value in grid, for printing */
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/* Typedefs */
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typedef enum {
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DIR_UP,
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DIR_RIGHT,
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DIR_DOWN,
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DIR_LEFT
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} dir_t;
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/* Macros */
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/* Repeat an expression y, x times */
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#define ITER(x, expr)\
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do {\
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int i;\
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for (i = 0; i < (x); i++){ expr;}\
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} while (0)
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/* Allocates a square pointer of array of arrays onto heap */
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#define CALLOC2D(ptr, sz)\
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do {\
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int i;\
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ptr = calloc((sz), sizeof(*ptr));\
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for (i = 0; i < (sz); i++)\
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ptr[i] = calloc((sz), sizeof(*ptr));\
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} while (0)
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/* Frees a square pointer of arrays to arrays */
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#define FREE2D(ptr, sz)\
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do {\
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int i;\
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for (i = 0; i < (sz); i++)\
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free(ptr[i]);\
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free(ptr);\
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} while (0)
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/* What occurs during a 'turn' of execution */
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#define TURN(x) (gravitate(x) + merge(x) + gravitate(x))
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/* Functions */
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const char* get_highscore_file() {
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static char buffer[4096];
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if (getenv("XDG_DATA_HOME") != NULL) {
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snprintf(buffer, sizeof(buffer), "%s/%s/%s", getenv("XDG_DATA_HOME"), DATADIR_NAME, HIGHSCORE_FILE_NAME);
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} else if (getenv("HOME") != NULL) {
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snprintf(buffer, sizeof(buffer), "%s/.local/share/%s/%s", getenv("HOME"), DATADIR_NAME, HIGHSCORE_FILE_NAME);
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} else {
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return HIGHSCORE_FILE_NAME;
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}
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// create hierarrchy of directories up to highscore file location
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char* sep = strrchr(buffer, '/');
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while (sep != NULL) {
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*sep = '\0';
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if (strlen(buffer) != 0)
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mkdir(buffer, 0777);
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char* tmpsep = sep;
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sep = strrchr(buffer, '/');
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*tmpsep = '/';
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}
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return buffer;
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}
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/* Merges adjacent squares of the same value together in a certain direction */
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/* Merges adjacent squares of the same value together in a certain direction */
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int merge(dir_t d)
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int merge(dir_t d)
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{
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{
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@ -157,7 +270,8 @@ int gravitate(dir_t d)
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}
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}
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/* Return the current highscore */
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/* Return the current highscore */
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int get_score_high() {
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int get_score_high()
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{
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int s = 0;
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int s = 0;
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FILE *fd = fopen(HISCORE_FILE, "r");
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FILE *fd = fopen(HISCORE_FILE, "r");
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if (fd == NULL)
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if (fd == NULL)
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@ -169,7 +283,8 @@ int get_score_high() {
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}
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}
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/* saves hiscore, but only if playing on standard size grid */
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/* saves hiscore, but only if playing on standard size grid */
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void save_score_high() {
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void save_score_high()
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{
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if (score > score_high && grid_size == 4) {
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if (score > score_high && grid_size == 4) {
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score_high = score;
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score_high = score;
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FILE *fd = fopen(HISCORE_FILE, "w+");
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FILE *fd = fopen(HISCORE_FILE, "w+");
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@ -209,6 +324,8 @@ int flog2(unsigned int n)
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return k;
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return k;
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}
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}
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#ifndef NO_CURSES
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/* draws the grid and fills it with the current values */
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/* draws the grid and fills it with the current values */
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/* colors just rotate around, works for now, can be confusing when you have some fairly high values on the board */
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/* colors just rotate around, works for now, can be confusing when you have some fairly high values on the board */
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void draw_grid(WINDOW *gamewin)
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void draw_grid(WINDOW *gamewin)
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wrefresh(gamewin);
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wrefresh(gamewin);
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}
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}
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#else /* ifndef NO_CURSES */
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/* draws the grid and fills it with the current values */
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void draw_grid()
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{
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printf("HISCORE: %d |", score_high);
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printf("| SCORE: %d ", score);
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if (score_last) printf("(+%d)", score_last);
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printf("\n");
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// alter this grid_size + 1 to match abitrary grid size
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ITER(grid_size, printf("------"));
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printf("-\n");
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int i, j;
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for (i = 0; i < grid_size; i++) {
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printf("|");
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for (j = 0; j < grid_size; j++) {
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if (grid[i][j])
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printf("%*d |", 4, grid[i][j]);
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else
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printf(" |");
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}
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printf("\n");
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}
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ITER(grid_size, printf("------"));
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printf("-\n\n");
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}
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/* store the terminal settings and call this function on exit to restore */
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struct termios sattr;
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void reset_term()
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{
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tcsetattr(STDIN_FILENO, TCSANOW, &sattr);
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}
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#endif /* ifndef NO_CURSES */
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/* entry point for the program */
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/* entry point for the program */
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/* parses options and stores the main game loop */
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/* parses options and stores the main game loop */
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int main(int argc, char **argv)
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int main(int argc, char **argv)
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{
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{
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/* init ncurses environment */
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initscr();
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cbreak();
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noecho();
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curs_set(FALSE);
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/* init variables */
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/* init variables */
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score = 0;
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score = 0;
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@ -259,11 +409,20 @@ int main(int argc, char **argv)
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int n_blocks = 1;
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int n_blocks = 1;
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#ifndef NO_CURSES
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/* init ncurses environment */
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initscr();
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cbreak();
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noecho();
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curs_set(FALSE);
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int enable_color = has_colors();
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#endif /* ifndef NO_CURSES */
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/* parse options */
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/* parse options */
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int c;
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int c;
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int enable_color = has_colors();
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while ((c = getopt(argc, argv, "rcChs:b:")) != -1) {
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while ((c = getopt(argc, argv, "rcChs:b:")) != -1) {
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switch (c) {
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switch (c) {
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#ifndef NO_CURSES
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/* Color support */
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/* Color support */
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case 'c':
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case 'c':
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enable_color = 1;
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enable_color = 1;
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@ -271,6 +430,7 @@ int main(int argc, char **argv)
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case 'C':
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case 'C':
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enable_color = 0;
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enable_color = 0;
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break;
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break;
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#endif /* ifndef NO_CURSES */
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// different board sizes
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// different board sizes
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case 's':;
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case 's':;
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int optint = strtol(optarg, NULL, 10);
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int optint = strtol(optarg, NULL, 10);
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@ -282,7 +442,9 @@ int main(int argc, char **argv)
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break;
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break;
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// reset hiscores
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// reset hiscores
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case 'r':
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case 'r':
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#ifndef NO_CURSES
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endwin();
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endwin();
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#endif /* ifndef NO_CURSES */
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printf("Are you sure you want to reset your highscores? (Y)es or (N)o\n");
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printf("Are you sure you want to reset your highscores? (Y)es or (N)o\n");
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int response;
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int response;
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if ((response = getchar()) == 'y' || response == 'Y') {
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if ((response = getchar()) == 'y' || response == 'Y') {
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@ -292,12 +454,21 @@ int main(int argc, char **argv)
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exit(EXIT_SUCCESS);
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exit(EXIT_SUCCESS);
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// help menu
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// help menu
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case 'h':
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case 'h':
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#ifndef NO_CURSES
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endwin();
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endwin();
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#endif /* ifndef NO_CURSES */
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printf(USAGE_STR);
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printf(USAGE_STR);
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exit(EXIT_SUCCESS);
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exit(EXIT_SUCCESS);
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}
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}
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}
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}
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/* Allocate memory once we actually know amount */
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CALLOC2D(grid, grid_size);
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#ifndef NO_CURSES
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int width = grid_size * (printwidth + 2) + 1;
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int height = grid_size * (printwidth + 2) + 3;
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if (enable_color) {
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if (enable_color) {
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if (!has_colors()) {
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if (!has_colors()) {
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fprintf(stderr, "Terminal does not support color\n");
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fprintf(stderr, "Terminal does not support color\n");
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@ -313,64 +484,98 @@ int main(int argc, char **argv)
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}
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}
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}
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}
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/* Allocate memory once we actually know amount */
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CALLOC2D(grid, grid_size);
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int width = grid_size * (printwidth + 2) + 1;
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int height = grid_size * (printwidth + 2) + 3;
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// might center in middle of screen
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// might center in middle of screen
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WINDOW *gamewin = newwin(height, width, 1, 1);
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WINDOW *gamewin = newwin(height, width, 1, 1);
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keypad(gamewin, TRUE);
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keypad(gamewin, TRUE);
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#else /* ifndef NO_CURSES */
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/* store term settings so we can restore on exit */
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tcgetattr(STDIN_FILENO, &sattr);
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atexit(reset_term);
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/* alters terminal stdin to not echo and doesn't need \n before reading getchar */
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struct termios tattr;
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tcgetattr(STDIN_FILENO, &tattr);
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tattr.c_lflag &= ~(ICANON | ECHO);
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tcsetattr(STDOUT_FILENO, TCSANOW, &tattr);
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#endif /* ifndef NO_CURSES */
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/* random seed */
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/* random seed */
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srand((unsigned int)time(NULL));
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srand((unsigned int)time(NULL));
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ITER(2, rand_block());
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ITER(2, rand_block());
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#ifndef NO_CURSES
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draw_grid(gamewin);
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draw_grid(gamewin);
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#else /* ifndef NO_CURSES */
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draw_grid();
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#endif /* ifndef NO_CURSES */
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int key, moved;
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int key, moved;
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while (1) {
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while (1) {
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/* will goto this if we didn't get a valid keypress */
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/* will goto this if we didn't get a valid keypress */
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retry:;
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retry:;
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moved = 0;
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moved = 0;
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score_last = 0;
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score_last = 0;
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#ifndef NO_CURSES
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key = wgetch(gamewin);
|
key = wgetch(gamewin);
|
||||||
|
#else /* ifndef NO_CURSES */
|
||||||
|
key = getchar();
|
||||||
|
#endif /* ifndef NO_CURSES */
|
||||||
|
|
||||||
/* should check if anything changed during merge and if not retry */
|
/* should check if anything changed during merge and if not retry */
|
||||||
switch (key) {
|
switch (key) {
|
||||||
|
|
||||||
case 'h':
|
case 'h':
|
||||||
case 'a':
|
case 'a':
|
||||||
|
#ifndef NO_CURSES
|
||||||
case KEY_LEFT:
|
case KEY_LEFT:
|
||||||
|
#endif /* ifndef NO_CURSES */
|
||||||
moved = TURN(DIR_LEFT);
|
moved = TURN(DIR_LEFT);
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case 'l':
|
case 'l':
|
||||||
case 'd':
|
case 'd':
|
||||||
|
#ifndef NO_CURSES
|
||||||
case KEY_RIGHT:
|
case KEY_RIGHT:
|
||||||
|
#endif /* ifndef NO_CURSES */
|
||||||
moved = TURN(DIR_RIGHT);
|
moved = TURN(DIR_RIGHT);
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case 'j':
|
case 'j':
|
||||||
case 's':
|
case 's':
|
||||||
|
#ifndef NO_CURSES
|
||||||
case KEY_DOWN:
|
case KEY_DOWN:
|
||||||
|
#endif /* ifndef NO_CURSES */
|
||||||
moved = TURN(DIR_DOWN);
|
moved = TURN(DIR_DOWN);
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case 'k':
|
case 'k':
|
||||||
case 'w':
|
case 'w':
|
||||||
|
#ifndef NO_CURSES
|
||||||
case KEY_UP:
|
case KEY_UP:
|
||||||
|
#endif /* ifndef NO_CURSES */
|
||||||
moved = TURN(DIR_UP);
|
moved = TURN(DIR_UP);
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case 'q':
|
case 'q':
|
||||||
FREE2D(grid, grid_size);
|
FREE2D(grid, grid_size);
|
||||||
|
#ifndef NO_CURSES
|
||||||
erase();
|
erase();
|
||||||
refresh();
|
refresh();
|
||||||
endwin();
|
endwin();
|
||||||
|
#endif /* ifndef NO_CURSES */
|
||||||
save_score_high();
|
save_score_high();
|
||||||
exit(EXIT_SUCCESS);
|
exit(EXIT_SUCCESS);
|
||||||
|
|
||||||
default:
|
default:
|
||||||
goto retry;
|
goto retry;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (!moves_available()) {
|
if (!moves_available()) {
|
||||||
|
#ifndef NO_CURSES
|
||||||
endwin();
|
endwin();
|
||||||
|
#endif /* ifndef NO_CURSES */
|
||||||
printf("\n"
|
printf("\n"
|
||||||
"YOU LOSE! - Your score was %d\n", score);
|
"YOU LOSE! - Your score was %d\n", score);
|
||||||
save_score_high();
|
save_score_high();
|
||||||
|
@ -379,7 +584,11 @@ retry:;
|
||||||
|
|
||||||
if (moved) {
|
if (moved) {
|
||||||
ITER(n_blocks, rand_block());
|
ITER(n_blocks, rand_block());
|
||||||
|
#ifndef NO_CURSES
|
||||||
draw_grid(gamewin);
|
draw_grid(gamewin);
|
||||||
|
#else /* ifndef NO_CURSES */
|
||||||
|
draw_grid();
|
||||||
|
#endif /* ifndef NO_CURSES */
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
65
src/2048.h
65
src/2048.h
|
@ -1,65 +0,0 @@
|
||||||
#ifndef _2048_H_
|
|
||||||
#define _2048_H_
|
|
||||||
|
|
||||||
#include <stdlib.h>
|
|
||||||
#include <sys/stat.h>
|
|
||||||
#include <string.h>
|
|
||||||
|
|
||||||
typedef enum {
|
|
||||||
DIR_UP,
|
|
||||||
DIR_RIGHT,
|
|
||||||
DIR_DOWN,
|
|
||||||
DIR_LEFT
|
|
||||||
} dir_t;
|
|
||||||
|
|
||||||
#define DATADIR_NAME "2048"
|
|
||||||
#define HIGHSCORE_FILE_NAME "highscore"
|
|
||||||
|
|
||||||
const char* get_highscore_file();
|
|
||||||
|
|
||||||
// Repeat an expression y, x times */
|
|
||||||
#define ITER(x, expr)\
|
|
||||||
do {\
|
|
||||||
int i;\
|
|
||||||
for (i = 0; i < (x); i++){ expr;}\
|
|
||||||
} while (0)
|
|
||||||
|
|
||||||
/* Allocates a square pointer of array of arrays onto heap */
|
|
||||||
#define CALLOC2D(ptr, sz)\
|
|
||||||
do {\
|
|
||||||
int i;\
|
|
||||||
ptr = calloc((sz), sizeof(*ptr));\
|
|
||||||
for (i = 0; i < (sz); i++)\
|
|
||||||
ptr[i] = calloc((sz), sizeof(*ptr));\
|
|
||||||
} while (0)
|
|
||||||
|
|
||||||
/* Frees a square pointer of arrays to arrays */
|
|
||||||
#define FREE2D(ptr, sz)\
|
|
||||||
do {\
|
|
||||||
int i;\
|
|
||||||
for (i = 0; i < (sz); i++)\
|
|
||||||
free(ptr[i]);\
|
|
||||||
free(ptr);\
|
|
||||||
} while (0)
|
|
||||||
|
|
||||||
/* What occurs during a 'turn' of execution */
|
|
||||||
#define TURN(x) (gravitate(x) + merge(x) + gravitate(x))
|
|
||||||
|
|
||||||
/* Constants */
|
|
||||||
#define DEFAULT_GRID_SIZE 4
|
|
||||||
#define HISCORE_FILE get_highscore_file()
|
|
||||||
#define USAGE_STR\
|
|
||||||
"Usage:\n"\
|
|
||||||
" ./2048 [options]\n"\
|
|
||||||
"\n"\
|
|
||||||
"Controls:\n"\
|
|
||||||
" hjkl, wasd Movement\n"\
|
|
||||||
" q Quit\n"\
|
|
||||||
"\n"\
|
|
||||||
"Options:\n"\
|
|
||||||
" -s <size> Set the grid border length\n"\
|
|
||||||
" -b <rate> Set the block spawn rate\n"\
|
|
||||||
" -c Enables color support (ncurses version only)\n"\
|
|
||||||
" -C Disables color support (ncurses version only)\n"
|
|
||||||
|
|
||||||
#endif
|
|
|
@ -1,326 +0,0 @@
|
||||||
/*
|
|
||||||
* 2048_no_curses.c - Non-curses version that can be updated at a later time
|
|
||||||
**/
|
|
||||||
|
|
||||||
#include <stdio.h> /* for printf */
|
|
||||||
#include <stdlib.h> /* for malloc */
|
|
||||||
#include <termios.h>/* */
|
|
||||||
#include <time.h> /* for time */
|
|
||||||
#include <unistd.h> /* for getopts */
|
|
||||||
#include "2048.h"
|
|
||||||
|
|
||||||
int **g; /* grid pointer */
|
|
||||||
int SZ; /* grid size */
|
|
||||||
int s; /* Current score */
|
|
||||||
int sl; /* Score for last turn */
|
|
||||||
int hs; /* Highscore */
|
|
||||||
|
|
||||||
/* Merges adjacent squares of the same value together in a certain direction */
|
|
||||||
int merge(int d)
|
|
||||||
{
|
|
||||||
int moved = 0;
|
|
||||||
if (d == DIR_LEFT) {
|
|
||||||
int i, j;
|
|
||||||
for (i = 0; i < SZ; i++) {
|
|
||||||
for (j = 0; j < SZ; j++) {
|
|
||||||
if (j + 1 < SZ && g[i][j] && g[i][j] == g[i][j + 1]) {
|
|
||||||
g[i][j] <<= 1;
|
|
||||||
sl += g[i][j];
|
|
||||||
s += g[i][j];
|
|
||||||
g[i][j++ + 1] = 0;
|
|
||||||
moved = 1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else if (d == DIR_UP) {
|
|
||||||
int i, j;
|
|
||||||
for (i = 0; i < SZ; i++) {
|
|
||||||
for (j = 0; j < SZ; j++) {
|
|
||||||
if (j + 1 < SZ && g[j][i] && g[j][i] == g[j + 1][i]) {
|
|
||||||
g[j][i] <<= 1;
|
|
||||||
sl += g[j][i];
|
|
||||||
s += g[j][i];
|
|
||||||
g[j++ + 1][i] = 0;
|
|
||||||
moved = 1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else if (d == DIR_RIGHT) {
|
|
||||||
int i, j;
|
|
||||||
for (i = SZ - 1; i >= 0; i--) {
|
|
||||||
for (j = SZ - 1; j >= 0; j--) {
|
|
||||||
if (j > 0 && g[i][j] && g[i][j] == g[i][j - 1]) {
|
|
||||||
g[i][j] <<= 1;
|
|
||||||
sl += g[i][j];
|
|
||||||
s += g[i][j];
|
|
||||||
g[i][j-- - 1] = 0;
|
|
||||||
moved = 1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else if (d == DIR_DOWN) {
|
|
||||||
int i, j;
|
|
||||||
for (i = SZ - 1; i >= 0; i--) {
|
|
||||||
for (j = SZ - 1; j >= 0; j--) {
|
|
||||||
if (j > 0 && g[j][i] && g[j][i] == g[j - 1][i]) {
|
|
||||||
g[j][i] <<= 1;
|
|
||||||
sl += g[j][i];
|
|
||||||
s += g[j][i];
|
|
||||||
g[j-- - 1][i] = 0;
|
|
||||||
moved = 1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return moved;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/* move all values in the grid to the edge given by the direction pressed */
|
|
||||||
/* would be nice to generalize this code a little so didn't need four loops */
|
|
||||||
int gravitate(int d)
|
|
||||||
{
|
|
||||||
int moved = 0;
|
|
||||||
if (d == DIR_LEFT) {
|
|
||||||
int i, j;
|
|
||||||
for (i = 0; i < SZ; i++) {
|
|
||||||
for (j = 0; j < SZ - 1; j++) {
|
|
||||||
if (g[i][j]) continue;
|
|
||||||
int st = 1;
|
|
||||||
while (j + st < SZ && !g[i][j + st]) st++;
|
|
||||||
if (j + st < SZ) {
|
|
||||||
g[i][j] = g[i][j + st];
|
|
||||||
g[i][j + st] = 0;
|
|
||||||
moved = 1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else if (d == DIR_UP) {
|
|
||||||
int i, j;
|
|
||||||
for (i = 0; i < SZ; i++) {
|
|
||||||
for (j = 0; j < SZ - 1; j++) {
|
|
||||||
if (g[j][i]) continue;
|
|
||||||
int st = 1;
|
|
||||||
while (j + st < SZ && !g[j + st][i]) st++;
|
|
||||||
if (j + st < SZ) {
|
|
||||||
g[j][i] = g[j + st][i];
|
|
||||||
g[j + st][i] = 0;
|
|
||||||
moved = 1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else if (d == DIR_RIGHT) {
|
|
||||||
int i, j;
|
|
||||||
for (i = 0; i < SZ; i++) {
|
|
||||||
for (j = SZ - 1; j > 0; j--) {
|
|
||||||
if (g[i][j]) continue;
|
|
||||||
int st = 1;
|
|
||||||
while (j - st >= 0 && !g[i][j - st]) st++;
|
|
||||||
if (j - st >= 0) {
|
|
||||||
g[i][j] = g[i][j - st];
|
|
||||||
g[i][j - st] = 0;
|
|
||||||
moved = 1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else if (d == DIR_DOWN) {
|
|
||||||
int i, j;
|
|
||||||
for (i = 0; i < SZ; i++) {
|
|
||||||
for (j = SZ - 1; j > 0; j--) {
|
|
||||||
if (g[j][i]) continue;
|
|
||||||
int st = 1;
|
|
||||||
while (j - st >= 0 && !g[j - st][i]) st++;
|
|
||||||
if (j - st >= 0) {
|
|
||||||
g[j][i] = g[j - st][i];
|
|
||||||
g[j - st][i] = 0;
|
|
||||||
moved = 1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return moved;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* loads hiscore */
|
|
||||||
void load_score() {
|
|
||||||
FILE *fd = fopen(HISCORE_FILE, "r");
|
|
||||||
if (fd == NULL) fd = fopen(HISCORE_FILE, "w+");
|
|
||||||
if (fscanf(fd, "%d", &hs) == EOF) hs = 0;
|
|
||||||
fclose(fd);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* saves hiscore, but only if playing on standard size grid */
|
|
||||||
void save_score() {
|
|
||||||
if (s > hs && SZ == 4) {
|
|
||||||
hs = s;
|
|
||||||
FILE *fd = fopen(HISCORE_FILE, "w+");
|
|
||||||
fprintf(fd, "%d", hs);
|
|
||||||
fclose(fd);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/* returns if there are any possible moves */
|
|
||||||
int moves_available()
|
|
||||||
{
|
|
||||||
int i, j;
|
|
||||||
for (i = 0; i < SZ; i++)
|
|
||||||
for (j = 0; j < SZ; j++)
|
|
||||||
if (!g[i][j] || ((i + 1 < SZ) && (g[i][j] == g[i + 1][j])) || ((j + 1 < SZ) && (g[i][j] == g[i][j + 1])))
|
|
||||||
return 1;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* places a random block onto the grid - either a 4, or a 2 with a ratio of 1:3 respectively */
|
|
||||||
/* do this in a smarter fashion */
|
|
||||||
void rand_block()
|
|
||||||
{
|
|
||||||
int x_p, y_p;
|
|
||||||
while (g[x_p = rand() % SZ][y_p = rand() % SZ]);
|
|
||||||
g[x_p][y_p] = (rand() & 3) ? 2 : 4;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* draws the grid and fills it with the current values */
|
|
||||||
void draw_grid()
|
|
||||||
{
|
|
||||||
printf("HISCORE: %d |", hs);
|
|
||||||
printf("| SCORE: %d ", s);
|
|
||||||
if (sl) printf("(+%d)", sl);
|
|
||||||
printf("\n");
|
|
||||||
|
|
||||||
// alter this SZ + 1 to match abitrary grid size
|
|
||||||
ITER(SZ, printf("------"));
|
|
||||||
printf("-\n");
|
|
||||||
int i, j;
|
|
||||||
for (i = 0; i < SZ; i++) {
|
|
||||||
printf("|");
|
|
||||||
for (j = 0; j < SZ; j++) {
|
|
||||||
if (g[i][j])
|
|
||||||
printf("%*d |", 4, g[i][j]);
|
|
||||||
else
|
|
||||||
printf(" |");
|
|
||||||
}
|
|
||||||
printf("\n");
|
|
||||||
}
|
|
||||||
ITER(SZ, printf("------"));
|
|
||||||
printf("-\n\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
/* store the terminal settings and call this function on exit to restore */
|
|
||||||
struct termios sattr;
|
|
||||||
void reset_term()
|
|
||||||
{
|
|
||||||
tcsetattr(STDIN_FILENO, TCSANOW, &sattr);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* entry point for the program */
|
|
||||||
/* parses options and stores the main game loop */
|
|
||||||
int main(int argc, char **argv)
|
|
||||||
{
|
|
||||||
|
|
||||||
/* init variables */
|
|
||||||
hs = 0;
|
|
||||||
s = 0;
|
|
||||||
sl = 0;
|
|
||||||
SZ = 4;
|
|
||||||
CALLOC2D(g, SZ);
|
|
||||||
|
|
||||||
load_score();
|
|
||||||
int n_blocks = 1;
|
|
||||||
|
|
||||||
/* parse options */
|
|
||||||
int c;
|
|
||||||
while ((c = getopt(argc, argv, "rhs:b:")) != -1) {
|
|
||||||
switch (c) {
|
|
||||||
// different board sizes
|
|
||||||
case 's':
|
|
||||||
FREE2D(g, SZ);
|
|
||||||
int optint = atoi(optarg);
|
|
||||||
SZ = optint > 4 ? optint : 4;
|
|
||||||
CALLOC2D(g, SZ);
|
|
||||||
break;
|
|
||||||
// different block spawn rate
|
|
||||||
case 'b':
|
|
||||||
n_blocks = atoi(optarg);
|
|
||||||
break;
|
|
||||||
// reset hiscores
|
|
||||||
case 'r':
|
|
||||||
printf("Are you sure you want to reset your highscores? (Y)es or (N)o\n");
|
|
||||||
int response;
|
|
||||||
if ((response = getchar()) == 'y' || response == 'Y') {
|
|
||||||
FILE *fd = fopen(HISCORE_FILE, "w+");
|
|
||||||
fclose(fd);
|
|
||||||
}
|
|
||||||
exit(EXIT_SUCCESS);
|
|
||||||
case 'h':
|
|
||||||
printf(USAGE_STR);
|
|
||||||
exit(EXIT_SUCCESS);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/* random seed */
|
|
||||||
srand((unsigned int)time(NULL));
|
|
||||||
ITER(2, rand_block());
|
|
||||||
draw_grid();
|
|
||||||
|
|
||||||
/* store term settings so we can restore on exit */
|
|
||||||
tcgetattr(STDIN_FILENO, &sattr);
|
|
||||||
atexit(reset_term);
|
|
||||||
|
|
||||||
/* alters terminal stdin to not echo and doesn't need \n before reading getchar */
|
|
||||||
struct termios tattr;
|
|
||||||
tcgetattr(STDIN_FILENO, &tattr);
|
|
||||||
tattr.c_lflag &= ~(ICANON | ECHO);
|
|
||||||
tcsetattr(STDOUT_FILENO, TCSANOW, &tattr);
|
|
||||||
|
|
||||||
int key, moved;
|
|
||||||
while (1) {
|
|
||||||
/* will goto this if we didn't get a valid keypress */
|
|
||||||
retry:;
|
|
||||||
moved = 0;
|
|
||||||
key = getchar();
|
|
||||||
sl = 0;
|
|
||||||
|
|
||||||
/* should check if anything changed during merge and if not retry */
|
|
||||||
switch (key) {
|
|
||||||
case 'h':
|
|
||||||
case 'a':
|
|
||||||
moved = TURN(DIR_LEFT);
|
|
||||||
break;
|
|
||||||
case 'l':
|
|
||||||
case 'd':
|
|
||||||
moved = TURN(DIR_RIGHT);
|
|
||||||
break;
|
|
||||||
case 'j':
|
|
||||||
case 's':
|
|
||||||
moved = TURN(DIR_DOWN);
|
|
||||||
break;
|
|
||||||
case 'k':
|
|
||||||
case 'w':
|
|
||||||
moved = TURN(DIR_UP);
|
|
||||||
break;
|
|
||||||
case 'q':
|
|
||||||
save_score();
|
|
||||||
exit(EXIT_SUCCESS);
|
|
||||||
default:
|
|
||||||
goto retry;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!moves_available()) {
|
|
||||||
printf("\n"
|
|
||||||
"YOU LOSE! - Your score was %d\n", s);
|
|
||||||
save_score();
|
|
||||||
exit(EXIT_SUCCESS);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (moved) {
|
|
||||||
ITER(n_blocks, rand_block());
|
|
||||||
draw_grid();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
|
@ -1,29 +0,0 @@
|
||||||
#include "2048.h"
|
|
||||||
|
|
||||||
#include <stdlib.h>
|
|
||||||
#include <sys/stat.h>
|
|
||||||
#include <string.h>
|
|
||||||
#include <stdio.h>
|
|
||||||
|
|
||||||
const char* get_highscore_file() {
|
|
||||||
static char buffer[4096];
|
|
||||||
if (getenv("XDG_DATA_HOME") != NULL) {
|
|
||||||
snprintf(buffer, sizeof(buffer), "%s/%s/%s", getenv("XDG_DATA_HOME"), DATADIR_NAME, HIGHSCORE_FILE_NAME);
|
|
||||||
} else if (getenv("HOME") != NULL) {
|
|
||||||
snprintf(buffer, sizeof(buffer), "%s/.local/share/%s/%s", getenv("HOME"), DATADIR_NAME, HIGHSCORE_FILE_NAME);
|
|
||||||
} else {
|
|
||||||
return HIGHSCORE_FILE_NAME;
|
|
||||||
}
|
|
||||||
|
|
||||||
// create hierarrchy of directories up to highscore file location
|
|
||||||
char* sep = strrchr(buffer, '/');
|
|
||||||
while (sep != NULL) {
|
|
||||||
*sep = '\0';
|
|
||||||
if (strlen(buffer) != 0)
|
|
||||||
mkdir(buffer, 0777);
|
|
||||||
char* tmpsep = sep;
|
|
||||||
sep = strrchr(buffer, '/');
|
|
||||||
*tmpsep = '/';
|
|
||||||
}
|
|
||||||
return buffer;
|
|
||||||
}
|
|
Loading…
Reference in New Issue
Block a user