#include <curses.h>

#include "paddle.h"
#include "board.h"

void
update_paddle(struct paddle *pad)
{
	int max;

	pad->pos += pad->speed * pad->dir;
	if (pad->type == PADDLE_TYPE_H) {
		max = BOARD_WIDTH - 2;
	} else {
		max = BOARD_HEIGHT - 2;;
	}
	if (pad->pos < pad->size / 2 + 2)  pad->pos = pad->size / 2 + 2;
	if (pad->pos > max - pad->size / 2) pad->pos = max - pad->size / 2;
}

void
draw_paddle(struct paddle *pad)
{
	int off;
	int pos;

	off = pad->pos;
	off -= pad->size / 2;

	if (pad->type == PADDLE_TYPE_H) {
		for (pos = 0; pos < BOARD_WIDTH - 1; ++pos) {
			mvprintw(pad->track, pos, " ");
		}
		for (pos = 0; pos < pad->size; ++pos) {
			attr_on(WA_REVERSE, NULL);
			mvprintw(pad->track, off + pos, " ");
			attr_off(WA_REVERSE, NULL);
		}
	} else {
		for (pos = 0; pos < BOARD_HEIGHT - 1; ++pos) {
			mvprintw(pos, pad->track, " ");
		}
		for (pos = 0; pos < pad->size; ++pos) {
			attr_on(WA_REVERSE, NULL);
			mvprintw(off + pos, pad->track, " ");
			attr_off(WA_REVERSE, NULL);
		}
	}
}