/*
   Kitsune's Curse
   Copyright (C) 2020-2023 Juan J. Martinez <jjm@usebox.net>

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
#include "splib.h"
#include "main.h"

#include "maps.h"

// generated
#include "cloud.h"

#include "entities.h"
#include "et_cloud.h"
#include "et_player.h"

void draw_cloud()
{
    it_k = *it_x & 1;
    if (*it_param)
        it_k ^= 1;

    put_sprite4(cloud[it_k], *it_x, *it_y, 3, *it_param & 128);
    erase_sprite(*it_ox, *it_oy, 3);
}

void update_cloud()
{
    if (*it_param)
    {
        if (is_map_blocked(*it_x + 11, *it_y + 22)
                        || is_map_blocked(*it_x + 11, *it_y + 7)
                        || is_map_blocked(*it_x + 11, *it_y + 2)
                || *it_x > TW * TMW - 8 - 4)
            goto cloud_change_dir;
        else
            *it_x += 1;
    }
    else
    {
        if (is_map_blocked(*it_x - 4, *it_y + 22)
                        || is_map_blocked(*it_x - 4, *it_y + 7)
                        || is_map_blocked(*it_x - 4, *it_y + 2)
                || *it_x < 4)
            goto cloud_change_dir;
        else
            *it_x -= 1;
    }

    if (!magic && lives
            && abs_sub(px, *it_x) < 64 && py != *it_y
            && (
                (*it_param && px > *it_x) || (*it_param == 0 && px < *it_x)
            ))
    {
        if (py > *it_y && !is_map_blocked(*it_x + 3, *it_y + 23))
            *it_y += 1;

        if (py < *it_y && !is_map_blocked(*it_x + 3, *it_y + 1))
            *it_y -= 1;
    }

    if (check_for_player(24))
    {
        player_hit(2);
cloud_change_dir:
        *it_param ^= 128;
    }
}