Function xFXFireworksUpdate

src/SB/Core/x/xFX.cpp:895–998

    for (S32 i = 0; i < FIREWORK_COUNT; ++i)
    {
        if (sFirework[i].state == 0)
        {
            continue;
        }
        if (sFirework[i].state == 1)
        {
            sFirework[i].timer -= dt;
            if (sFirework[i].timer <= 0.0f)
            {
                sFirework[i].vel.x = 13.0f * xurand() + 6.5f;
                sFirework[i].vel.y = 0.0f;
                sFirework[i].vel.z = 13.0f * xurand() + 6.5f;
                sFirework[i].state = 2;

                if (sFireworkLaunchSoundID != 0)
                {
                    xSndPlay3D(sFireworkLaunchSoundID,
                               0.308f, // Volume
                               0.0f, // Pitch
                               0x80, // Priority
                               0, // Flags
                               &sFirework[i].pos,
                               20.0f, // Radius
                               5.0f, SND_CAT_GAME,
                               0.0f); // Delay
                }
            }
        }
        else
        {
            sFirework[i].fuel -= dt;
            if (sFirework[i].fuel > 0.0f)
            {
                sFirework[i].vel.y += 15.0f * dt;
            }
            xParEmitterCustomSettings settings;
            settings.custom_flags = 0x100;
            sFirework[i].pos.x += sFirework[i].vel.x * dt;
            sFirework[i].pos.y += sFirework[i].vel.y * dt;
            sFirework[i].pos.z += sFirework[i].vel.z * dt;
            settings.pos = sFirework[i].pos;
            xParEmitterEmitCustom(sFireworkTrailEmit, dt, &settings);

            if (sFirework[i].fuel <= 0.0f)
            {
                sFirework[i].state = 0;
                sFirework[i].timer = 0.0f;

                zParEmitter* emit = sFirework1Emit;
                if (xurand() < 0.75f)
                {
                    emit = sFirework2Emit;
                }

                xParEmitterCustomSettings settings2;
                settings2.custom_flags = 0xD00;
                settings2.pos = sFirework[i].pos;