Function zLightningAdd

src/SB/Game/zLightning.cpp:229–422

FIXME: Logic is nearly perfect but there are some incorrect values used causing register mismatches inside the loop logic, as well as incorrect r1 local offsets throughout

// FIXME: Logic is nearly perfect but there are some incorrect values used causing register mismatches
//          inside the loop logic, as well as incorrect r1 local offsets throughout
zLightning* zLightningAdd(_tagLightningAdd* add)
{
    zLightning* new_lightning;
    if (!(new_lightning = FindFreeLightning()))
    {
        return NULL;
    }

    new_lightning->type = add->type;
    new_lightning->flags = add->flags | 0x41;
    new_lightning->color = add->color;

    if (new_lightning->type != LYT_TYPE_FUNC)
    {
        new_lightning->legacy.total_points = add->total_points;
        new_lightning->legacy.end_points = add->end_points;        
        new_lightning->legacy.arc_height = add->arc_height;
        new_lightning->legacy.rand_radius = add->rand_radius;
        
        S32 zeusOnStraightPoint = TRUE;
        F32 currot = 0.0f;

        switch (new_lightning->type)
        {
        case LYT_TYPE_LINE:
            break;
        case LYT_TYPE_ROTATING:
            new_lightning->legacy.rot.degrees = add->move_degrees;
            new_lightning->legacy.rot.height = add->rot_radius;
            break;
        case LYT_TYPE_ZEUS:
            new_lightning->legacy.zeus.normal_offset = add->zeus_normal_offset;
            new_lightning->legacy.zeus.back_offset = add->zeus_back_offset;
            new_lightning->legacy.zeus.side_offset = add->zeus_side_offset;
            break;
        }

        xVec3 dir;
        if (add->flags & 0x80)
        {
            if (add->end_points - 1 < 0)
            {
                xVec3Sub(&dir, &add->start[add->total_points - 1], add->start);
            }
            else
            {
                xVec3Sub(&dir, &add->end[add->end_points - 1], add->start);
            }
        }
        else
        {
            xVec3Sub(&dir, add->end, add->start);
        }

        xVec3Normalize(&dir, &dir);

        if (dir.y > 0.999f || dir.y < -0.999f)
        {