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/*
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 <string.h>
#include "splib.h"
#include "plw.h"
#include "sound.h"
#include "main.h"
#include "maps.h"
// generated
#include "demon.h"
#include "fireball.h"
#include "entities.h"
#include "et_demon.h"
#include "et_player.h"
static const struct st_entity base = {
ET_EXPLO,
0, 0, 0, 0, 0, 0, 0,
0, // param
0, // extra
update_fireball,
draw_fireball,
0
};
void draw_fireball()
{
put_sprite4(fireball[player_frames[*it_frame]], *it_x, *it_y, 1, 0);
erase_sprite(*it_ox, *it_oy, 1);
}
void update_fireball()
{
if ((*it_delay)++ == 1)
{
*it_delay = 0;
if (++(*it_frame) > WALK_CYCLE)
*it_frame = WALK;
}
if (*it_param)
{
if (is_map_blocked(*it_x + 11, *it_y + 8)
|| *it_x > TW * TMW - 8 - 4)
goto fireball_done;
else
*it_x += 2;
}
else
{
if (is_map_blocked(*it_x - 4, *it_y + 8)
|| *it_x < 4)
goto fireball_done;
else
*it_x -= 2;
}
if (check_for_player(8))
{
player_hit(2);
fireball_done:
erase_sprite(*it_ox, *it_oy, 1);
destroy_entity();
}
}
void new_fireball()
{
if (!new_entity())
return;
memcpy(sp_new, &base, sizeof(base) - 2);
if (*it_param)
sp_new->x = *it_x + 8;
else
sp_new->x = *it_x - 8;
sp_new->param = *it_param;
sp_new->y = *it_y + 8;
PLW_PlaySoundEffectP(EFX_MAGIC);
}
void draw_demon()
{
put_sprite4(demon[player_frames[*it_frame]], *it_x, *it_y, 3, *it_param & 128);
erase_sprite(*it_ox, *it_oy, 3);
}
void update_demon()
{
if ((*it_delay)++ == 2 || *it_delay == 11)
{
*it_delay = 0;
if (++(*it_frame) > WALK_CYCLE)
*it_frame = WALK;
}
if (*it_extra < 72)
*it_extra += 1;
else if (abs_sub(py, *it_y) < 8 &&
(*it_param && px > *it_x || !*it_param && px < *it_x))
{
new_fireball();
*it_extra = 0;
*it_frame = WALK_CYCLE;
*it_delay = 3;
}
if (*it_param)
{
if (is_map_blocked(*it_x + 11, *it_y + 8)
|| !is_map_blocked(*it_x + 11, *it_y + 24)
|| *it_x > TW * TMW - 8 - 4)
goto demon_change_dir;
else
*it_x += 1;
}
else
{
if (is_map_blocked(*it_x - 4, *it_y + 8)
|| !is_map_blocked(*it_x - 4, *it_y + 24)
|| *it_x < 4)
goto demon_change_dir;
else
*it_x -= 1;
}
if (check_for_player(24))
{
player_hit(1);
demon_change_dir:
*it_param ^= 128;
*it_delay = 0;
*it_frame = WALK;
}
}
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