/*
 * test.c
 *
 * Created: 2019-04-18 13:05:46
 * Author : ol4656he-s
 */ 
#include <avr/io.h>
#include <avr/interrupt.h>
#include <stdlib.h>
#include <time.h>
#include <avr/delay.h>

extern void executeDelay();
extern void level1();
extern void level2();
extern void level3();
extern void level4();
extern void level5();
extern void level6();
extern void level7();
extern void level8();
extern void level9();
extern void level10();
extern void wait1s();

volatile uint8_t characterLoc = 1;
volatile uint8_t state = 1;
uint8_t alive = 0;
int score = 0;


void interruptInit(){
	
	PCMSK0 = 0b00000111;
	PCICR = 0b0001;		
}

void init() {
	DDRD = 0xff;
	DDRB = 0xff;
	DDRA = 0x00;
	PORTB = 0b00100000;
	PORTD = 0x00;
}

int main(void)
{	
	init();
	interruptInit();
	sei();
	
	LCD_on();
	LCD_clear();	
	
    /* Replace with your application code */
    while (1) 
    { 
		switch(state){
					
			case 1:				//Menu
			
			LCD_clear();
			LCD_drawBorder();
			titleText(5, 121);
			startText(2, 94);
			
			while(1){
				
				if(PINA &= 0b00000010){
					
					countDown(3,71);
					LCD_clear();
					LCD_drawBorder();
					state = 2;
					break;
					}						
				}
				break;
			
			
			case 2:	//Game
								
			
		
			character(0);			
			alive = 1;
			
			
			while(alive){
				
				int r = randomP();
				
				if(r == 1){		
											
							for(int i = 0; i < 124; i++){
								
								obstacle1(0,i);
								variDelay();
								eraseObstacle1();
								
								if(characterCollision()){
									
									alive = 0;
									break;
								}
								
							}
						}
						else if(r == 2){
							for(int i = 0; i < 124; i++){
								
								obstacle2(0,i);
								variDelay();
								eraseObstacle2();
								
								if(characterCollision()){
									
									alive = 0;
									break;
								}
								
							}
							
						}
						else if(r == 3){
							for(int i = 0; i < 124; i++){
								
								obstacle3(4,i);
								variDelay();
								eraseObstacle3();
								
								if(characterCollision()){
									
									alive = 0;
									break;
								}
								
							}
							
						}
						else if(r == 4){
							
							for(int i = 0; i < 124; i++){
								
								obstacle4(0,i);
								variDelay();
								eraseObstacle4();
								
								if(characterCollision()){
									
									alive = 0;
									break;
								}
								
							}
							
						}
						else if(r == 5){
							
						for(int i = 0; i < 124; i++){
							
							obstacle5(0,i);
							variDelay();
							eraseObstacle5();
							
							if(characterCollision()){
								
								alive = 0;
								break;
							}
							
						}
						
					
					}	
					
				if(alive)score++;	
						
			
				}
					
			state = 3;
						
			break;
			
			case 3:				//Game over
			
			
			LCD_clear();
			LCD_drawBorder();
			gameOverText(5,94);
			scoreText(1, 120);
			printScore();
			
			while(1){
				
				if(PINA &= 0b00000010){
					state = 1;
					score = 0;
					break;
					}	
				}
			
		break;
		
		}
		
	}
}
 

void moveCharacter(){
	
	
	
	//down
	if(PINA &= 0b00000100){
		_delay_ms(100);
		if(characterLoc < 1){
			
			characterLoc = 1;
		}
		
		else{
			
			characterLoc--;
			updateCharacter();
			character(characterLoc);
		}
	}

	//up
	if(PINA &= 0b00000001){
		_delay_ms(100);
		if(characterLoc > 5){
			
			characterLoc = 5;
		}
		
		else{
			characterLoc++; 
			updateCharacter();
			character(characterLoc);
		}
	}

	
}

ISR(PCINT0_vect)
{
	switch(state){
		
		case 1:
		
		break;
		
		
		case 2:

		moveCharacter();
		_delay_ms(50);
		
		break;
		
		
		case 3:
		
		break;
		
		
	}
	
}