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nbsdgames/miketron.c

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/*
|\/|
| |IKETRON
Authored by abakh <abakh@tuta.io>
To the extent possible under law, the author(s) have dedicated all copyright and related and neighboring rights to this software to the public domain worldwide. This software is distributed without any warranty.
You should have received a copy of the CC0 Public Domain Dedication along with this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
*/
#include <curses.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <limits.h>
#include <time.h>
#include <signal.h>
#include <unistd.h>
#include <stdbool.h>
#include "config.h"
#include "common.h"
#define SAVE_TO_NUM 10
#define MINLEN 10
#define MAXLEN 24
#define MINWID 40
#define MAXWID 80
enum {UP=1,RIGHT,DOWN,LEFT,FLIGHT,NOTRAIL,BOMB,SPAWN,STOP,SUPERFOOD,TRAIL};
/* The Plan9 compiler can not handle VLAs and usleep is a POSIX function */
#ifdef NO_VLA
#define len 10
#define wid 40
#ifdef Plan9
int usleep(long usec) {
int second = usec/1000000;
long nano = usec*1000 - second*1000000;
struct timespec sleepy = {0};
sleepy.tv_sec = second;
sleepy.tv_nsec = nano;
nanosleep(&sleepy, (struct timespec *) NULL);
return 0;
}
#endif
#else
int len,wid;
#endif//NO_VLA
int py,px;
int immunity,flight,notrail;
byte direction;
long score;
chtype colors[6]={0};
byte pse_msg=100;
//no need to a epilepsy variable like in muncher as zeroing the colors suffices
FILE *scorefile;
void move_tron(void){
switch(direction){
case UP:
--py;
break;
case DOWN:
++py;
break;
case LEFT:
--px;
break;
case RIGHT:
++px;
break;
}
if(py==-1)
py=len-1;
else if(py==len)
py=0;
if(px==-1)
px=wid-1;
else if(py==len)
py=0;
}
void logo(void){
mvaddstr(1,0,"|\\/|");
mvaddstr(2,0,"| |IKETRON");
}
byte save_score(void){
return fallback_to_home("miketron_scores",score,SAVE_TO_NUM);
}
void show_scores(byte playerrank){
erase();
logo();
if(playerrank==FOPEN_FAIL){
mvaddstr(3,0,"Couldn't open scorefile.");
printw("\nHowever, your score is %ld.",score);
refresh();
return;
}
if(playerrank == 0){
char formername[60]={0};
long formerscore=0;
rewind(score_file);
fscanf(score_file,"%*s : %*d\n");
move(3,0);
byte b=0;
if ( fscanf(score_file,"%s : %ld\n",formername,&formerscore)==2){
halfdelay(1);
printw("*****CONGRATULATIONS!****\n");
printw(" You bet the\n");
printw(" previous\n");
printw(" record\n");
printw(" of\n");
printw(" %14ld\n",formerscore);
printw(" held by\n");
printw(" %11s\n",formername);
printw(" \n");
printw(" \n");
printw("*************************\n");
printw("Press a key to proceed:");
Effect:
move(4,0);
attron(colors[b]);
mvprintw(4,0, " _____ ");
mvprintw(5,0, " .' |");
mvprintw(6,0, " .' |");
mvprintw(7,0, " | .| |");
mvprintw(8,0, " |.' | |");
mvprintw(9,0, " | |");
mvprintw(10,0," ___| |___");
mvprintw(11,0," | |");
mvprintw(12,0," |____________|");
attroff(colors[b]);
b=(b+1)%6;
if(getch()==ERR)
goto Effect;
nocbreak();
cbreak();
erase();
logo();
}
}
//scorefile is still open with w+
move(3,0);
char pname[60] = {0};
long pscore=0;
byte rank=0;
rewind(score_file);
printw(">*>*>Top %d<*<*<\n",SAVE_TO_NUM);
while( rank<SAVE_TO_NUM && fscanf(score_file,"%s : %ld\n",pname,&pscore) == 2){
if(rank == playerrank)
printw(">>>");
printw("%d) %s : %ld\n",rank+1,pname,pscore);
++rank;
}
addch('\n');
refresh();
}
void put_stuff(byte board[len][wid],byte num){
byte y,x;
for(byte n=0;n<num;++n){
do{
y=rand()%len;
x=rand()%wid;
}while(y==py&&x==px);
board[y][x]=STOP;
if(!rand())
board[y][x]=SUPERFOOD;
else if(!(rand()%20))
board[y][x]=SPAWN;
else if(!(rand()%10))
board[y][x]=BOMB;
else if(!(rand()%10))
board[y][x]=NOTRAIL;
else if(!(rand()%4))
board[y][x]=FLIGHT;
}
}
void rectangle(void){
for(int y=0;y<=len;++y){
mvaddch(3+y,0,ACS_VLINE);
mvaddch(4+y,1+wid,ACS_VLINE);
}
for(int x=0;x<=wid;++x){
mvaddch(3,x,ACS_HLINE);
mvaddch(4+len,x,ACS_HLINE);
}
mvaddch(3,0,ACS_ULCORNER);
mvaddch(4+len,0,ACS_LLCORNER);
mvaddch(3,1+wid,ACS_URCORNER);
mvaddch(4+len,1+wid,ACS_LRCORNER);
}
void draw(byte board[len][wid]){
int y,x;
static byte effect=0;
chtype prnt;
rectangle();
for(y=0;y<len;++y){
for(x=0;x<wid;++x){
if(board[y][x]<0){
prnt=' '|A_STANDOUT|colors[abs(board[y][x])%6];
board[y][x]++;
}
else if(y==py && x==px){
prnt=ACS_PLUS;
if(immunity)
prnt|=colors[effect];
else if(flight)
prnt|=A_BOLD;
else if(!notrail)
prnt|=A_STANDOUT;
}
else if(board[y][x]==TRAIL)
prnt=ACS_PLUS;
else if(board[y][x]==NOTRAIL)
prnt='&';
else if(board[y][x]==FLIGHT)
prnt='?';
else if(board[y][x]==SUPERFOOD)
prnt='%'|colors[effect];
else if(board[y][x]==STOP)
prnt='S';
else if(board[y][x]==SPAWN)
prnt='B';
else if(board[y][x]==BOMB)
prnt='8';
else
prnt= ' ';
mvaddch(4+y,x+1,prnt);
}
}
if(pse_msg>0){
mvprintw(len+5,0,"Suffering PSE? Press e.");
--pse_msg;
}
effect=(effect+1)%6;
}
void explode(byte board[len][wid],int by,int bx){
board[by][bx]=0;//prevent endless recursion
int sy=by-2;
int sx=bx-4;
int ey=by+2;
int ex=bx+4;
if(ey>=len)
ey-=len;
if(ex>=wid)
ex-=wid;
if(sy<0)
sy+=len;
if(sx<0)
sx+=wid;
int y=sy;
int x=sx;
while(y!=ey){
while(x!=ex){
++x;
if(x==wid)
x=0;
if(board[y][x]==BOMB)
explode(board,y,x);
board[y][x]=-10;
}
x=sx;
++y;
if(y==len)
y=0;
}
}
void help(void){
nocbreak();
cbreak();
erase();
logo();
attron(A_BOLD);
mvprintw(3,0," **** THE CONTROLS ****");
attroff(A_BOLD);
mvprintw(4,0,"hjkl/ARROW KEYS : Change direction");
mvprintw(5,0,"q : Quit");
mvprintw(6,0,"F1 & F2: Help on controls & gameplay");
mvprintw(8,0,"Press a key to continue");
refresh();
getch();
erase();
halfdelay(1);
}
void gameplay(void){
nocbreak();
cbreak();
erase();
logo();
attron(A_BOLD);
mvprintw(3,0," **** THE GAMEPLAY ****");
attroff(A_BOLD);
move(4,0);
printw("You are controlling a strange vechile which can \n");
printw("survive explosions but cannot cross the trail it has\n");
printw("left behind. Keep it running as much as you can.");
refresh();
getch();
erase();
halfdelay(1);
}
void sigint_handler(int x){
endwin();
puts("Quit.");
exit(x);
}
int main(int argc, char** argv){
#ifndef NO_VLA
bool autoset=0;
signal(SIGINT,sigint_handler);
if(argc>3 || (argc==2 && !strcmp("help",argv[1])) ){
printf("Usage: %s [len wid]\n",argv[0]);
return EXIT_FAILURE;
}
if(argc==2){
puts("Give both dimensions.");
return EXIT_FAILURE;
}
if(argc==3){
bool lool = sscanf(argv[1],"%d",&len) && sscanf(argv[2],"%d",&wid);
if(!lool){
puts("Invalid input.");
return EXIT_FAILURE;
}
if(len<MINLEN || wid<MINWID || len>500 || wid>500){
puts("At least one of your given dimensions is either too small or too big.");
return EXIT_FAILURE;
}
}
else{
autoset=1;
}
#endif
initscr();
#ifndef NO_VLA
if(autoset){
len=LINES-7;
if(len<MINLEN)
len=MINLEN;
else if(len>MAXLEN)
len=MAXLEN;
wid=COLS-5;
if(wid<MINWID)
wid=MINWID;
else if(wid>MAXWID)
wid=MAXWID;
}
#endif
srand(time(NULL)%UINT_MAX);
byte board[len][wid];
bool halfspeed=0;
initscr();
noecho();
cbreak();
keypad(stdscr,1);
if(has_colors()){
start_color();
use_default_colors();
init_pair(1,COLOR_BLUE,-1);
init_pair(2,COLOR_GREEN,-1);
init_pair(3,COLOR_YELLOW,-1);
init_pair(4,COLOR_CYAN,-1);
init_pair(5,COLOR_MAGENTA,-1);
init_pair(6,COLOR_RED,-1);
for(byte b= 0;b<6;++b){
colors[b]=COLOR_PAIR(b+1);
}
}
Start:
immunity=flight=notrail=0;
curs_set(0);
halfdelay(1);
score=0;
direction=LEFT;
py=len/2;
px=wid/2;
memset(board,0,len*wid);
put_stuff(board,20);
int preinput=0,input=0;
while(1){
erase();
logo();
mvprintw(1,12,"Score:%ld",score);
if(immunity)
mvprintw(2,12,"Immunity:%ld",immunity);
else if(flight)
mvprintw(2,12,"Flight:%ld",flight);
else if(notrail)
mvprintw(2,12,"NoTrail:%ld",notrail);
draw(board);
refresh();
preinput=input;
input = getch();
if(input!=ERR)//hide message when a key is entered
pse_msg=0;
if(board[py][px]==SPAWN)
put_stuff(board,5);
else if(board[py][px]==BOMB){
explode(board,py,px);
for(byte b=0;b<10;++b){
draw(board);
refresh();
usleep(100000);
}
}
else if(board[py][px]==STOP){
mvaddch(4+py,px+1,ACS_PLUS|A_STANDOUT);
refresh();
nocbreak();
cbreak();
preinput=input;
input=getch();
halfdelay(1);
}
else if(board[py][px]==SUPERFOOD)
immunity+=len+wid;
else if(board[py][px]==FLIGHT)
flight+=8;
else if(board[py][px]==NOTRAIL)
notrail+=15;
else
goto NoFeatures;
board[py][px]=0;//if one of conditions is true, it executes! keep nagging about goto being redundant!
NoFeatures:
if(board[py][px]==TRAIL){
if(immunity)
board[py][px]=0;
else if(!flight)
break;
}
if( input == KEY_F(1) || input=='?' )
help();
if( input == KEY_F(2) )
gameplay();
halfspeed=!halfspeed;
if( (input=='k' || input==KEY_UP) ){
direction=UP;
halfspeed=1;
}
else if( (input=='j' || input==KEY_DOWN) ){
direction=DOWN;
halfspeed=1;
}
else if( (input=='h' || input==KEY_LEFT) )
direction=LEFT;
else if( (input=='l' || input==KEY_RIGHT) )
direction=RIGHT;
if( input=='q')
sigint_handler(0);
if(input=='e'){
for(int b=0;b<6;++b){
colors[b]=0;
}
pse_msg=0;
}
if(input!=ERR){
if(preinput==input){//if it wasn't there, hitting two keys in less than 0.1 sec would not work
usleep(100000);
flushinp();
}
}
if( !((direction==UP||direction==DOWN)&&!halfspeed) && !immunity && !flight && !notrail)
board[py][px]=TRAIL;
if(direction==UP && halfspeed){
--py;
if(py==-1)
py=len-1;
halfspeed=1;
}
else if(direction==DOWN && halfspeed){
++py;
if(py==len)
py=0;
}
else if(direction==LEFT){
--px;
if(px==-1)
px=wid-1;
}
else if(direction==RIGHT){
++px;
if(px==wid)
px=0;
}
++score;
if(!(score%100))
put_stuff(board,5);
if(immunity)
--immunity;
else if(flight)
--flight;
else if(notrail)
--notrail;
}
nocbreak();
cbreak();
draw(board);
refresh();
mvprintw(len+5,0,"Game over! Press a key to see the high scores:");
getch();
show_scores(save_score());
printw("Game over! Wanna play again?(y/n)");
curs_set(1);
input=getch();
if( input!= 'N' && input!= 'n' && input!='q')
goto Start;
endwin();
return EXIT_SUCCESS;
}
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