Function xShadowSimple_Init

src/SB/Core/x/xShadowSimple.cpp:85–122

        if (ent->baseType == 0x2b)
        {
            xNPCBasic* npc = (xNPCBasic*)ent;
            if ((npc->SelfType() & 0xFFFFFF00) == 0x4E545400)
            {
                xVec3 start;
                xVec3Init(&start, ((shadowRayEntData*)data)->line->start.x,
                          ((shadowRayEntData*)data)->line->start.y,
                          ((shadowRayEntData*)data)->line->start.z);

                F32 end_y = ((shadowRayEntData*)data)->line->end.y;
                F32 start_y = start.y;
                F32 dy = end_y - start_y;
                F32 t = (ent->bound.box.box.upper.y - start_y) / dy;

                if (((shadowRayEntData*)data)->cache->shadowHeight > t &&
                    ent->bound.box.box.upper.y > end_y)
                {
                    if (start.x > ent->bound.box.box.lower.x &&
                        start.x < ent->bound.box.box.upper.x &&
                        start.z > ent->bound.box.box.lower.z &&
                        start.z < ent->bound.box.box.upper.z)
                    {
                        ((shadowRayEntData*)data)->cache->shadowHeight = t;
                        xVec3 temp_vec;

                        temp_vec.y = ent->bound.box.box.upper.y;
                        temp_vec.z = start.z;
                        temp_vec.x = start.x + 10.0f;

                        xVec3SubFrom(&temp_vec, (const xVec3*)&ent->model->Mat->pos);

                        ((shadowRayEntData*)data)->cache->poly.vert[0].x =
                            xVec3Dot(&temp_vec, (const xVec3*)&ent->model->Mat->right);
                        ((shadowRayEntData*)data)->cache->poly.vert[0].y =
                            xVec3Dot(&temp_vec, (const xVec3*)&ent->model->Mat->up);
                        ((shadowRayEntData*)data)->cache->poly.vert[0].z =
                            xVec3Dot(&temp_vec, (const xVec3*)&ent->model->Mat->at);

                        temp_vec.y = ent->bound.box.box.upper.y;
                        temp_vec.x = start.x - 10.0f;
                        temp_vec.z = start.z + 10.0f;