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Ignore whitespace Rev 4536 → Rev 4537

/branches/dd/uspace/app/tetris/tetris.c
36,30 → 36,24
*/
 
/** @addtogroup tetris Tetris
* @brief Tetris ported from OpenBSD
* @{
* @brief Tetris ported from OpenBSD
* @{
*/
/** @file
*/
 
#ifndef lint
static const char copyright[] =
"@(#) Copyright (c) 1992, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
"@(#) Copyright (c) 1992, 1993\n"
"\tThe Regents of the University of California. All rights reserved.\n";
 
/*
* Tetris (or however it is spelled).
*/
 
#include <sys/time.h>
#include <sys/types.h>
 
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
 
#include "input.h"
#include "scores.h"
66,66 → 60,76
#include "screen.h"
#include "tetris.h"
 
cell board[B_SIZE];
int Rows, Cols;
cell board[B_SIZE];
 
int Rows;
int Cols;
 
const struct shape *curshape;
const struct shape *nextshape;
long fallrate;
int score;
//gid_t gid, egid;
char key_msg[100];
int showpreview, classic;
 
static void elide(void);
static void setup_board(void);
const struct shape *randshape(void);
void onintr(int);
void usage(void);
long fallrate;
int score;
char key_msg[100];
int showpreview;
int classic;
 
static void elide(void);
static void setup_board(void);
static const struct shape *randshape(void);
 
static void usage(void);
 
static int firstgame = 1;
 
/*
* Set up the initial board. The bottom display row is completely set,
* along with another (hidden) row underneath that. Also, the left and
* Set up the initial board. The bottom display row is completely set,
* along with another (hidden) row underneath that. Also, the left and
* right edges are set.
*/
static void
setup_board(void)
static void setup_board(void)
{
int i;
cell *p;
 
p = board;
cell *p = board;
for (i = B_SIZE; i; i--)
*p++ = i <= (2 * B_COLS) || (i % B_COLS) < 2;
*p++ = (i <= (2 * B_COLS) || (i % B_COLS) < 2) ? 0x0000ff : 0x000000;
}
 
/*
* Elide any full active rows.
*/
static void
elide(void)
static void elide(void)
{
int rows = 0;
int i, j, base;
int i;
int j;
int base;
cell *p;
 
for (i = A_FIRST; i < A_LAST; i++) {
base = i * B_COLS + 1;
p = &board[base];
for (j = B_COLS - 2; *p++ != 0;) {
if (--j <= 0) {
/* this row is to be elided */
/* This row is to be elided */
rows++;
memset(&board[base], 0, B_COLS - 2);
memset(&board[base], 0, sizeof(cell) * (B_COLS - 2));
scr_update();
tsleep();
while (--base != 0)
board[base + B_COLS] = board[base];
scr_update();
tsleep();
break;
}
}
}
switch (rows) {
case 1:
score += 10;
144,16 → 148,15
}
}
 
const struct shape *
randshape(void)
const struct shape *randshape(void)
{
const struct shape *tmp;
int i, j;
 
tmp = &shapes[random() % 7];
j = random() % 4;
const struct shape *tmp = &shapes[random() % 7];
int i;
int j = random() % 4;
for (i = 0; i < j; i++)
tmp = &shapes[classic? tmp->rotc : tmp->rot];
tmp = &shapes[classic ? tmp->rotc : tmp->rot];
return (tmp);
}
 
160,7 → 163,7
static void srandomdev(void)
{
struct timeval tv;
 
gettimeofday(&tv, NULL);
srandom(tv.tv_sec + tv.tv_usec / 100000);
}
167,59 → 170,40
 
static void tetris_menu_draw(int level)
{
clear_screen();
moveto(5,10);
puts("Tetris\n\n");
moveto(8,10);
printf("Level = %d (press keys 1 - 9 to change)",level);
moveto(9,10);
printf("Preview is %s (press 'p' to change)", (showpreview?"on ":"off"));
moveto(12,10);
printf("Press 'h' to show hiscore table.");
moveto(13,10);
printf("Press 's' to start game.");
moveto(14,10);
printf("Press 'q' to quit game.");
moveto(20,10);
printf("In game controls:");
moveto(21,0);
puts(key_msg);
clear_screen();
moveto(5, 10);
puts("Tetris\n\n");
moveto(8, 10);
printf("Level = %d (press keys 1 - 9 to change)", level);
moveto(9, 10);
printf("Preview is %s (press 'p' to change)", (showpreview ? "on ": "off"));
moveto(12, 10);
printf("Press 'h' to show hiscore table.");
moveto(13, 10);
printf("Press 's' to start game.");
moveto(14, 10);
printf("Press 'q' to quit game.");
moveto(20, 10);
printf("In game controls:");
moveto(21, 0);
puts(key_msg);
}
 
static int tetris_menu(int *level)
static int tetris_menu(int *level)
{
static int firstgame = 1;
int i;
/* if (showpreview == 0)
(void)printf("Your score: %d point%s x level %d = %d\n",
score, score == 1 ? "" : "s", level, score * level);
else {
(void)printf("Your score: %d point%s x level %d x preview penalty %0.3f = %d\n",
score, score == 1 ? "" : "s", level, (double)PRE_PENALTY,
(int)(score * level * PRE_PENALTY));
score = score * PRE_PENALTY;
}
savescore(level);
 
showscores(level);
printf("\nHit 's' to new game, 'q' to quit.\n");
*/
tetris_menu_draw(*level);
while (1) {
i = getchar();
int i = getchar();
switch(i) {
case 'p':
showpreview = !showpreview;
moveto(9,21);
moveto(9, 21);
if (showpreview)
printf("on ");
else
printf("off");
break;
case 'h':
showscores(firstgame);
235,94 → 219,83
case '3':
case '4':
case '5':
case '6':
case '6':
case '7':
case '8':
case '9':
*level = i - '0';
moveto(8,18);
moveto(8, 18);
printf("%d", *level);
break;
}
}
}
 
int
main(int argc, char *argv[])
int main(int argc, char *argv[])
{
int pos, c;
int pos;
int c;
char *keys;
int level = 2;
char key_write[6][10];
int i, j;
 
int i;
int j;
int ch;
keys = "jkl pq";
 
// gid = getgid();
// egid = getegid();
// setegid(gid);
 
classic = 0;
showpreview = 1;
 
/* while ((ch = getopt(argc, argv, "ck:l:ps")) != -1) */
/* switch(ch) { */
/* case 'c': */
/* /\* */
/* * this means: */
/* * - rotate the other way; */
/* * - no reverse video. */
/* *\/ */
/* classic = 1; */
/* break; */
/* case 'k': */
/* if (str_size(keys = optarg) != 6) */
/* usage(); */
/* break; */
/* case 'l': */
/* level = (int)strtonum(optarg, MINLEVEL, MAXLEVEL, */
/* &errstr); */
/* if (errstr) */
/* errx(1, "level must be from %d to %d", */
/* MINLEVEL, MAXLEVEL); */
/* break; */
/* case 'p': */
/* showpreview = 1; */
/* break; */
/* case 's': */
/* showscores(0); */
/* exit(0); */
/* default: */
/* usage(); */
/* } */
 
/* argc -= optind; */
/* argv += optind; */
 
/* if (argc) */
/* usage(); */
 
 
while ((ch = getopt(argc, argv, "ck:ps")) != -1)
switch(ch) {
case 'c':
/*
* this means:
* - rotate the other way
* - no reverse video
*/
classic = 1;
break;
case 'k':
if (str_size(keys = optarg) != 6)
usage();
break;
case 'p':
showpreview = 1;
break;
case 's':
showscores(0);
exit(0);
default:
usage();
}
argc -= optind;
argv += optind;
if (argc)
usage();
for (i = 0; i <= 5; i++) {
for (j = i+1; j <= 5; j++) {
for (j = i + 1; j <= 5; j++) {
if (keys[i] == keys[j])
errx(1, "duplicate command keys specified.");
}
if (keys[i] == ' ')
str_cpy(key_write[i], sizeof key_write[i], "<space>");
str_cpy(key_write[i], sizeof(key_write[i]), "<space>");
else {
key_write[i][0] = keys[i];
key_write[i][1] = '\0';
}
}
 
snprintf(key_msg, sizeof key_msg,
"%s - left %s - rotate %s - right %s - drop %s - pause %s - quit",
key_write[0], key_write[1], key_write[2], key_write[3],
key_write[4], key_write[5]);
 
snprintf(key_msg, sizeof(key_msg),
"%s - left %s - rotate %s - right %s - drop %s - pause %s - quit",
key_write[0], key_write[1], key_write[2], key_write[3],
key_write[4], key_write[5]);
scr_init();
initscores();
while (tetris_menu(&level)) {
330,17 → 303,17
scr_clear();
setup_board();
srandomdev();
scr_set();
pos = A_FIRST*B_COLS + (B_COLS/2)-1;
pos = A_FIRST * B_COLS + (B_COLS / 2) - 1;
nextshape = randshape();
curshape = randshape();
scr_msg(key_msg, 1);
for (;;) {
while (1) {
place(curshape, pos, 1);
scr_update();
place(curshape, pos, 0);
353,7 → 326,7
pos += B_COLS;
continue;
}
/*
* Put up the current shape `permanently',
* bump score, and elide any full rows.
361,7 → 334,7
place(curshape, pos, 1);
score++;
elide();
/*
* Choose a new shape. If it does not fit,
* the game is over.
368,12 → 341,14
*/
curshape = nextshape;
nextshape = randshape();
pos = A_FIRST*B_COLS + (B_COLS/2)-1;
pos = A_FIRST * B_COLS + (B_COLS / 2) - 1;
if (!fits_in(curshape, pos))
break;
continue;
}
/*
* Handle command keys.
*/
381,10 → 356,11
/* quit */
break;
}
if (c == keys[4]) {
static char msg[] =
"paused - press RETURN to continue";
place(curshape, pos, 1);
do {
scr_update();
391,12 → 367,14
scr_msg(key_msg, 0);
scr_msg(msg, 1);
(void) fflush(stdout);
} while (rwait((struct timeval *)NULL) == -1);
} while (rwait((struct timeval *) NULL) == -1);
scr_msg(msg, 0);
scr_msg(key_msg, 1);
place(curshape, pos, 0);
continue;
}
if (c == keys[0]) {
/* move left */
if (fits_in(curshape, pos - 1))
403,15 → 381,17
pos--;
continue;
}
if (c == keys[1]) {
/* turn */
const struct shape *new = &shapes[
classic? curshape->rotc : curshape->rot];
const struct shape *new =
&shapes[classic ? curshape->rotc : curshape->rot];
if (fits_in(new, pos))
curshape = new;
continue;
}
if (c == keys[2]) {
/* move right */
if (fits_in(curshape, pos + 1))
418,6 → 398,7
pos++;
continue;
}
if (c == keys[3]) {
/* move to bottom */
while (fits_in(curshape, pos + B_COLS)) {
426,6 → 407,7
}
continue;
}
if (c == '\f') {
scr_clear();
scr_msg(key_msg, 1);
434,36 → 416,21
scr_clear();
insertscore(score, level);
score=0;
score = 0;
}
scr_clear();
printf("\n\n\n\t\tGame over.\n");
/*
while ((i = getchar()) != '\n')
if (i == EOF)
break
*/
printf("\nGame over.\n");
scr_end();
 
return 0;
}
 
/* void */
/* onintr(int signo) */
/* { */
/* scr_clear(); /\* XXX signal race *\/ */
/* scr_end(); /\* XXX signal race *\/ */
/* _exit(0); */
/* } */
 
void
usage(void)
void usage(void)
{
(void)fprintf(stderr, "usage: tetris [-ps] [-k keys] [-l level]\n");
fprintf(stderr, "usage: tetris [-ps] [-k keys]\n");
exit(1);
}
 
/** @}
*/