#include<stdlib.h>
#include<stdio.h>
#include"conf.h"
#include"input_output.h"


void build_horizon(char *** horizon)
{
	char ** h = calloc(sizeof(char * ), LINES);
	int i, j;
	for(i = 0; i < LINES; i++)
	{
		h[i] = calloc(sizeof(char), WIDTH);
		for(j = 0; j < WIDTH; j++)
		{
			h[i][j] = ' ';
		}
		putc('\n', stdout); // make space for the game
	}
	*horizon = h;
}

void horizon_drop_one_line(char ** horizon)
{
	
	int i, j;
	for(i = LINES - 1; i >= 1; i--)
	{
		for(j = 0; j < WIDTH; j++)
		{
			horizon[i][j] = horizon[i - 1][j];
		}
	}
}

void print_horizon(char ** horizon)
{
	int i;
	putc('+', stdout);
	for(i = 0; i < WIDTH ; i++)
	{
		putc('-', stdout);
	}
	putc('+', stdout);
	putc('\n', stdout);
	
	for(i = 0; i < LINES; i++)
	{
		put_line(horizon[i]);
	}
}

void delete_horizon(char ** horizon)
{
	int i;
	for(i = 0; i < LINES; i++)
	{
		free(horizon[i]);
	}
	free(horizon);
}



char * allocate_playfield(size_t width)
{
	char * field = calloc(sizeof(char), width);

	size_t i;
	for(i = 0; i < width; i++)
	{
		field[i] = ' ';
	}
	return field;
}