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Add aclock game.

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This commit is contained in:
Serge Vakulenko
2015-11-20 22:44:37 -08:00
parent 9027547fa6
commit e67e939fb9
4 changed files with 178 additions and 1 deletions
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1
rootfs.manifest
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@@ -671,6 +671,7 @@ default
filemode 0775
dir /games
file /games/adventure
file /games/aclock
file /games/arithmetic
file /games/atc
file /games/backgammon

1
src/games/.gitignore vendored
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@@ -1,3 +1,4 @@
aclock
arithmetic
banner
bcd

2
src/games/Makefile
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@@ -18,7 +18,7 @@ SUBDIR = adventure atc backgammon battlestar boggle btlgammon \
# C programs that live in the current directory and do not need
# explicit make lines.
#
STD = banner arithmetic bcd cfscores factor fish morse \
STD = banner aclock arithmetic bcd cfscores factor fish morse \
number ppt wump
# C programs that live in the current directory and need explicit make lines.

175
src/games/aclock.c Normal file
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@@ -0,0 +1,175 @@
/*
* aclock - ascii clock for UNIX Console
*
* Copyright (c) 1994-2013 Antoni Sawicki <as@tenoware.com>
* Version 2.3 (unix-termcap); Mountain View, July 2013
*
* Ported to RetroBSD by Serge Vakulenko
*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <sys/ioctl.h>
#define FontWH_Ratio 2
void cls(void)
{
printf("\33[2J");
}
void draw_point(int x, int y, char c)
{
printf("\33[%u;%uH%c", y+1, x+1, c);
}
void draw_text(int x, int y, char *string)
{
printf("\33[%u;%uH%s", y+1, x+1, string);
}
int icos(int n, int maxval)
{
static const int tab[] = {
1000000000, 994521895, 978147600, 951056516, 913545457,
866025403, 809016994, 743144825, 669130606, 587785252,
500000000, 406736643, 309016994, 207911690, 104528463,
0, -104528463, -207911690, -309016994, -406736643,
-499999999, -587785252, -669130606, -743144825, -809016994,
-866025403, -913545457, -951056516, -978147600, -994521895,
-1000000000, -994521895, -978147600, -951056516, -913545457,
-866025403, -809016994, -743144825, -669130606, -587785252,
-500000000, -406736643, -309016994, -207911690, -104528463,
0, 104528463, 207911690, 309016994, 406736643,
500000000, 587785252, 669130606, 743144825, 809016994,
866025403, 913545457, 951056516, 978147600, 994521895,
};
if (n < 0)
n += 60;
return tab[n%60] / 1000 * maxval / 1000000;
}
int isin(int n, int maxval)
{
static const int tab[] = {
0, 104528463, 207911690, 309016994, 406736643,
499999999, 587785252, 669130606, 743144825, 809016994,
866025403, 913545457, 951056516, 978147600, 994521895,
1000000000, 994521895, 978147600, 951056516, 913545457,
866025403, 809016994, 743144825, 669130606, 587785252,
499999999, 406736643, 309016994, 207911690, 104528463,
0, -104528463, -207911690, -309016994, -406736643,
-500000000, -587785252, -669130606, -743144825, -809016994,
-866025403, -913545457, -951056516, -978147600, -994521895,
-1000000000,-994521895, -978147600, -951056516, -913545457,
-866025403, -809016994, -743144825, -669130606, -587785252,
-499999999, -406736643, -309016994, -207911690, -104528463,
};
if (n < 0)
n += 60;
return tab[n%60] / 1000 * maxval / 1000000;
}
void draw_circle(int hand_max, int sYcen, int sXcen)
{
int x, y, r;
char c;
for (r=0; r<60; r++) {
x = icos(r, hand_max) * FontWH_Ratio + sXcen;
y = isin(r, hand_max) + sYcen;
switch (r) {
case 0:
case 5:
case 10:
case 15:
case 20:
case 25:
case 30:
case 35:
case 40:
case 45:
case 50:
case 55:
c='o';
break;
default:
c='.';
break;
}
draw_point(x, y, c);
}
}
void draw_hand(int minute, int hlength, char c, int sXcen, int sYcen)
{
int x, y, n;
for (n=1; n<hlength; n++) {
x = icos(minute - 15, n) * FontWH_Ratio + sXcen;
y = isin(minute - 15, n) + sYcen;
draw_point(x, y, c);
}
}
int main(int argc, char **argv)
{
char digital_time[32];
int sXmax, sYmax, sXmaxo, sYmaxo, smax, hand_max, sXcen, sYcen;
time_t t;
struct tm *ltime;
struct winsize ws;
sXmaxo = sYmaxo = sXmax = sYmax = 0;
sXcen = sYcen = 0;
hand_max = 0;
while (1) {
sXmaxo = sXmax;
sYmaxo = sYmax;
ioctl(1, TIOCGWINSZ, &ws);
sXmax = ws.ws_col;
if (sXmax == 0)
sXmax = 80;
sYmax = ws.ws_row;
if (sYmax == 0)
sYmax = 24;
if (sXmax != sXmaxo || sYmax != sYmaxo) {
if (sXmax/2 <= sYmax)
smax = sXmax/2;
else
smax = sYmax;
hand_max = (smax/2)-1;
sXcen = sXmax/2;
sYcen = sYmax/2;
cls();
draw_circle(hand_max, sYcen, sXcen);
}
time(&t);
ltime = localtime(&t);
draw_hand((ltime->tm_hour*5) + (ltime->tm_min/10), 2*hand_max/3, 'h', sXcen, sYcen);
draw_hand(ltime->tm_min, hand_max-2, 'm', sXcen, sYcen);
draw_hand(ltime->tm_sec, hand_max-1, '.', sXcen, sYcen);
draw_text(sXcen - 4, sYcen - (3*hand_max/5), "RetroBSD");
sprintf(digital_time, "[%02d:%02d:%02d]", ltime->tm_hour, ltime->tm_min, ltime->tm_sec);
draw_text(sXcen - 5, sYcen + (3*hand_max/5), digital_time);
fflush(stdout);
sleep(1);
draw_hand((ltime->tm_hour*5) + (ltime->tm_min/10), 2*hand_max/3, ' ', sXcen, sYcen);
draw_hand(ltime->tm_min, hand_max-2, ' ', sXcen, sYcen);
draw_hand(ltime->tm_sec, hand_max-1, ' ', sXcen, sYcen);
}
return 0;
}