blobwarsAttrition/src/combat/explosions.c

80 lines
1.9 KiB
C

/*
Copyright (C) 2018 Parallel Realities
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 2
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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "explosions.h"
static SDL_Rect radiusRect;
void addExplosion(float x, float y, int radius, Entity *owner)
{
Entity **candidates, *e;
float power;
int i;
playSound(SND_EXPLOSION, CH_EXPLODE);
/* assuming x and y were from the top left of the entity */
x += radius / 2;
y += radius / 2;
addExplosionEffect(x, y, radius, radius / 4);
radiusRect.x = (int) (x - radius);
radiusRect.y = (int) (y - radius);
radiusRect.w = radius * 2;
radiusRect.h = radius * 2;
candidates = getAllEntsWithin(radiusRect.x, radiusRect.y, radiusRect.w, radiusRect.h, NULL);
for (i = 0, e = candidates[i] ; e != NULL ; e = candidates[++i])
{
if (e != owner && (e->type == ET_BOB || e->type == ET_ENEMY || e->type == ET_DESTRUCTABLE || e->type == ET_BOSS))
{
power = radius - getDistance(e->x + (e->w / 2), e->y + (e->h / 2), x, y);
if (power > 0)
{
if (!(e->flags & EF_IMMUNE))
{
if (e->flags & EF_BOMB_SHIELD)
{
applyEntityDamage(e, 2);
}
else
{
applyEntityDamage(e, (int) power);
}
if (e->type == ET_BOB)
{
stunPlayer();
}
if (e->health <= 0)
{
e->dx = rrnd(-radius / 8, radius / 8);
e->dy = rrnd(-5, 0);
}
}
}
}
}
}