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#include<source/shell/game.h>
#include<types.h>
#include<source/vga.h>
#include<source/tty.h>
#include<source/timer.h>
#include<source/stdio.h>
extern uint16_t* terminal_buffer;
extern uint8_t terminal_color;
extern uint8_t process_id;
#define N 1000
uint16_t x;
uint16_t y;
uint16_t rep[N];
uint32_t game_time;
uint32_t game_tick;
uint8_t gameover;
uint8_t duzina;
uint8_t smer;
uint16_t jabuka;
uint16_t x_jabuke;
uint16_t y_jabuke;
void game_keyboard_handler(uint16_t keycode)
{
switch(keycode)
{
// space();
case 0x39:
process_id = PROCESS_TTY_ID;
clear();
prompt();
break;
// keyup();
case 72:
smer = 1;
break;
// keydown();
case 80:
smer = 2;
break;
// keyleft();
case 75:
smer = 3;
break;
// keyright();
case 77:
smer = 4;
break;
}
}
void game_init(void)
{
x=VGA_WIDTH/2;
y=VGA_HEIGHT/2;
game_time=0;
game_tick=0;
duzina=1;
gameover=0;
smer=0;
x_jabuke=5;
y_jabuke=5;
process_id = PROCESS_GAME_ID;
clear();
}
void game_timer_handler()
{
game_tick++;
if (game_tick == TICKS_PER_SECOND/8 && !gameover)
{
switch(smer)
{
case 1:
if(y>0) y--;
else y=VGA_HEIGHT-1;
break;
case 2:
if(y<VGA_HEIGHT) y++;
else y=0;
break;
case 3:
if(x>0) x--;
else x=VGA_WIDTH-1;
break;
case 4:
if(x<VGA_WIDTH) x++;
else x=0;
break;
default:
break;
}
game_tick=0;
game_time+=1;
for(uint8_t i = duzina; i > 0; i--) rep[i]=rep[i-1];
rep[0]=(uint16_t)(y*80+x);
if (rep[0] == y_jabuke*80+x_jabuke)
{
duzina++;
uint8_t ind;
do {
ind = 1;
x_jabuke = (uint16_t)((game_time*game_time)%80);
y_jabuke = (uint16_t)((game_time*game_time)%25);
jabuka = (uint16_t)(y_jabuke*80+x_jabuke);
for(uint8_t i = 0; i < duzina; i++) if(rep[i] == jabuka) ind=0;
game_time++;
} while(!ind);
terminal_buffer[jabuka]=(uint16_t)(terminal_color<<8|'J');
}
terminal_buffer[rep[duzina]]=(uint16_t)(terminal_color<<8|' ');
terminal_buffer[rep[0]]=(uint16_t)(terminal_color<<8|'#');
set_color(VGA_COLOR_RED,VGA_COLOR_BLACK);
terminal_buffer[y_jabuke*80+x_jabuke]=(uint16_t)(terminal_color<<8|'J');
set_color(VGA_COLOR_LIGHT_GREY,VGA_COLOR_BLACK);
for(uint8_t i = 1; i < duzina; i++) if(rep[0] == rep[i])
{
printf("GAME OVER\nPress <Space> to return to shell\n");
gameover=1;
}
}
}
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