RingRacers/src/objects/ivoball.cpp
2025-02-13 15:32:26 -06:00

162 lines
3.2 KiB
C++

// DR. ROBOTNIK'S RING RACERS
//-----------------------------------------------------------------------------
// 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.
//-----------------------------------------------------------------------------
//
// CREDITS
// Original Lua script by Callmore
// Edits by Ivo, Angular and Sal
// Hardcoded by jartha
//
#include <algorithm>
#include "../math/fixed.hpp"
#include "../math/vec.hpp"
#include "../mobj.hpp"
#include "../d_player.h"
#include "../doomdef.h"
#include "../doomstat.h"
#include "../k_objects.h"
#include "../p_local.h"
#include "../r_defs.h"
#include "../s_sound.h"
#include "../sounds.h"
#include "../tables.h"
using srb2::Mobj;
using srb2::math::Fixed;
using srb2::math::Vec2;
namespace
{
Vec2<Fixed> angle_vector(angle_t x)
{
return Vec2<Fixed> {FCOS(x), FSIN(x)};
}
struct IvoBall : Mobj
{
static constexpr tic_t kCooldown = TICRATE*2;
static constexpr tic_t kFlashTime = TICRATE/2;
static constexpr Fixed kRippleFactor = 128*FRACUNIT/3;
static constexpr Fixed kBobHeight = 8*FRACUNIT;
static constexpr tic_t kBobTime = kFlashTime * 16;
static constexpr int kFloat = 24;
void extravalue1() = delete;
tic_t timer() const { return mobj_t::extravalue1; }
void timer(tic_t n) { mobj_t::extravalue1 = n; }
void extravalue2() = delete;
fixed_t offset() const { return mobj_t::extravalue2; }
void offset(fixed_t n) { mobj_t::extravalue2 = n; }
void init()
{
Fixed wave{(x / mapobjectscale) + (y / mapobjectscale)};
offset(wave / kRippleFactor);
color = SKINCOLOR_TANGERINE;
sprzoff(kFloat * mapobjectscale);
}
void think()
{
if (timer())
{
timer(timer() - 1);
if (timer() == 0)
{
renderflags &= ~RF_DONTDRAW;
}
}
fixed_t ballTimer = leveltime + offset();
Fixed bob = kBobHeight * Fixed {FSIN((M_TAU_FIXED * kBobTime) * ballTimer)};
spriteyoffset(bob);
colorized = !((ballTimer / kFlashTime) & 1);
}
void touch(Mobj* toucher)
{
if (timer())
{
return;
}
renderflags |= RF_DONTDRAW;
timer(kCooldown);
toucher->player->ringboost += 30;
if (P_IsDisplayPlayer(toucher->player))
{
S_StartSoundAtVolume(nullptr, sfx_ivobal, 160);
}
}
};
struct PatrolIvoBall : IvoBall
{
void init()
{
Vec2<Fixed> v = angle_vector(angle) * Fixed {info->speed} * Fixed {mapobjectscale};
momx = -v.x;
momy = v.y;
IvoBall::init();
}
void think()
{
if (!P_TryMove(this, x + momx, y + momy, true, nullptr))
{
angle += ANGLE_180;
momx = -momx;
momy = -momy;
}
IvoBall::think();
}
};
}; // namespace
void Obj_IvoBallInit(mobj_t* mobj)
{
static_cast<IvoBall*>(mobj)->init();
}
void Obj_IvoBallThink(mobj_t* mobj)
{
static_cast<IvoBall*>(mobj)->think();
}
void Obj_IvoBallTouch(mobj_t* special, mobj_t* toucher)
{
static_cast<IvoBall*>(special)->touch(static_cast<Mobj*>(toucher));
}
void Obj_PatrolIvoBallInit(mobj_t* mobj)
{
static_cast<PatrolIvoBall*>(mobj)->init();
}
void Obj_PatrolIvoBallThink(mobj_t* mobj)
{
static_cast<PatrolIvoBall*>(mobj)->think();
}
void Obj_PatrolIvoBallTouch(mobj_t* special, mobj_t* toucher)
{
static_cast<PatrolIvoBall*>(special)->touch(static_cast<Mobj*>(toucher));
}