RingRacers/src/objects/lightning-shield.cpp
2025-05-19 18:29:53 -07:00

74 lines
1.6 KiB
C++

// DR. ROBOTNIK'S RING RACERS
//-----------------------------------------------------------------------------
// Copyright (C) 2025 by James Robert Roman
// Copyright (C) 2025 by Kart Krew
//
// This program is free software distributed under the
// terms of the GNU General Public License, version 2.
// See the 'LICENSE' file for more details.
//-----------------------------------------------------------------------------
#include "objects.hpp"
#include "../tables.h"
using namespace srb2::objects;
namespace
{
struct Shield : Mobj
{
void target() = delete;
Mobj* follow() const { return Mobj::target(); }
void follow(Mobj* n) { Mobj::target(n); }
bool valid() const { return Mobj::valid(follow()); }
};
struct Visual : Mobj
{
void target() = delete;
Shield* shield() const { return Mobj::target<Shield>(); }
void shield(Shield* n) { Mobj::target(n); }
bool valid() const { return Mobj::valid(shield()) && shield()->valid(); }
static void spawn(Shield* shield)
{
if (!shield->valid())
return;
Visual* x = Mobj::spawn<Visual>(shield->pos(), MT_LIGHTNINGSHIELD_VISUAL);
x->scale(5 * shield->follow()->scale() / 4);
x->shield(shield);
x->linkdraw(shield->follow());
x->tick();
}
bool tick()
{
if (!valid())
{
remove();
return false;
}
move_origin(shield()->pos());
dispoffset = state()->num() == S_THNB1 ? -1 : 1;
return true;
}
};
}; // namespace
void Obj_SpawnLightningShieldVisuals(mobj_t *shield)
{
Visual::spawn(static_cast<Shield*>(shield));
}
boolean Obj_TickLightningShieldVisual(mobj_t *mobj)
{
return static_cast<Visual*>(mobj)->tick();
}