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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "System/mmgr.h"
#include "GeoThermSmokeProjectile.h"
#include "Sim/Features/Feature.h"
#include "Sim/Projectiles/ProjectileHandler.h"
CR_BIND_DERIVED(CGeoThermSmokeProjectile, CSmokeProjectile, (ZeroVector, ZeroVector, 1, NULL));
CR_REG_METADATA(CGeoThermSmokeProjectile, (
CR_MEMBER(geo),
CR_RESERVED(8)
));
CGeoThermSmokeProjectile::CGeoThermSmokeProjectile(const float3& pos, const float3& speed, int ttl, CFeature* geo)
: CSmokeProjectile(pos, speed, ttl, 6, 0.35f, NULL, 0.8f)
, geo(geo)
{}
void CGeoThermSmokeProjectile::Update()
{
if (geo && geo->solidOnTop) {
CSolidObject* o = geo->solidOnTop;
float3 d = pos - o->pos;
float sql = d.SqLength();
if ((sql > 0.0f) && (sql < (o->radius * o->radius)) && o->blocking) {
d *= o->radius * fastmath::isqrt(sql);
pos = pos * 0.3f + (o->pos + d) * 0.7f;
if (d.y < (o->radius * 0.4f)) {
const float speedlen = fastmath::apxsqrt(speed.SqLength());
float3 right(d.z, 0.0f, -d.x);
speed = d.cross(right);
speed.ANormalize();
speed *= speedlen;
}
}
}
const float l = fastmath::apxsqrt(speed.SqLength());
speed.y += 1.0f;
speed *= l * fastmath::isqrt(speed.SqLength());
CSmokeProjectile::Update();
}
void CGeoThermSmokeProjectile::GeoThermDestroyed(const CFeature* geo)
{
for (ProjectileContainer::iterator it = ph->unsyncedProjectiles.begin(); it != ph->unsyncedProjectiles.end(); ++it) {
CGeoThermSmokeProjectile* geoPuff = dynamic_cast<CGeoThermSmokeProjectile*>(*it);
if (geoPuff) {
if (geoPuff->geo == geo) {
geoPuff->geo = NULL;
}
}
}
}
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