void CircuitElement::swap(const MapNode& n_old, const ContentFeatures& n_old_features,
const MapNode& n_new, const ContentFeatures& n_new_features) {
CircuitElementContainer tmp_faces[6];
for(int i = 0; i < 6; ++i) {
u8 shift = FACE_TO_SHIFT(rotateFace(n_old, n_old_features, SHIFT_TO_FACE(i)));
tmp_faces[shift] = m_faces[i];
}
for(int i = 0; i < 6; ++i) {
u8 shift = FACE_TO_SHIFT(revRotateFace(n_new, n_new_features, SHIFT_TO_FACE(i)));
m_faces[shift] = tmp_faces[i];
if(m_faces[shift].is_connected) {
m_faces[shift].list_iterator->shift = shift;
}
}
setDelay(n_new_features.circuit_element_delay);
}
void CircuitElement::findConnectedWithFace(std::vector <std::pair <std::list<CircuitElement>::iterator, u8> >& connected,
Map* map, INodeDefManager* ndef, v3POS pos, u8 face,
std::map<v3POS, std::list<CircuitElement>::iterator>& pos_to_iterator,
bool connected_faces[6]) {
static v3POS directions[6] = {v3POS(0, 1, 0),
v3POS(0, -1, 0),
v3POS(1, 0, 0),
v3POS(-1, 0, 0),
v3POS(0, 0, 1),
v3POS(0, 0, -1),
};
// First - wire pos, second - acceptable faces
std::queue <std::pair <v3POS, u8> > q;
v3POS current_pos, next_pos;
MapNode next_node, current_node;
// used[pos] = or of all faces, that are already processed
std::map <v3POS, u8> used;
u8 face_id = FACE_TO_SHIFT(face);
connected_faces[face_id] = true;
used[pos] = face;
current_node = map->getNodeNoEx(pos);
const ContentFeatures& first_node_features = ndef->get(current_node);
face = rotateFace(current_node, first_node_features, face);
face_id = FACE_TO_SHIFT(face);
current_pos = pos + directions[face_id];
current_node = map->getNodeNoEx(current_pos);
const ContentFeatures& current_node_features = ndef->get(current_node);
u8 real_face = revRotateFace(current_node, current_node_features, face);
u8 real_face_id = FACE_TO_SHIFT(real_face);
if(current_node_features.is_wire || current_node_features.is_wire_connector) {
q.push(std::make_pair(current_pos, current_node_features.wire_connections[real_face_id]));
while(!q.empty()) {
current_pos = q.front().first;
u8 acceptable_faces = q.front().second;
q.pop();
current_node = map->getNodeNoEx(current_pos);
const ContentFeatures& current_node_features = ndef->get(current_node);
for(int i = 0; i < 6; ++i) {
u8 real_face = revRotateFace(current_node, current_node_features, SHIFT_TO_FACE(i));
if(acceptable_faces & real_face) {
used[current_pos] |= real_face;
next_pos = current_pos + directions[i];
next_node = map->getNodeNoEx(next_pos);
const ContentFeatures& node_features = ndef->get(next_node);
u8 next_real_face = revRotateFace(next_node, node_features, OPPOSITE_FACE(SHIFT_TO_FACE(i)));
u8 next_real_shift = FACE_TO_SHIFT(next_real_face);
// If start element, mark some of it's faces
if(next_pos == pos) {
connected_faces[next_real_shift] = true;
}
auto next_used_iterator = used.find(next_pos);
bool is_part_of_circuit = node_features.is_wire_connector || node_features.is_circuit_element ||
(node_features.is_wire && (next_node.getContent() == current_node.getContent()));
bool not_used = (next_used_iterator == used.end()) ||
!(next_used_iterator->second & next_real_face);
if(is_part_of_circuit && not_used) {
if(node_features.is_circuit_element) {
connected.push_back(std::make_pair(pos_to_iterator[next_pos], next_real_shift));
} else {
q.push(std::make_pair(next_pos, node_features.wire_connections[next_real_shift]));
}
if(next_used_iterator != used.end()) {
next_used_iterator->second |= next_real_face;
} else {
used[next_pos] = next_real_face;
}
}
}
}
}
} else if(current_node_features.is_circuit_element) {
connected.push_back(std::make_pair(pos_to_iterator[current_pos], OPPOSITE_SHIFT(real_face_id)));
}
}
void CircuitElement::findConnectedWithFace(std::vector <std::pair <std::list<CircuitElement>::iterator, int > >& connected,
Map& map, INodeDefManager* ndef, v3s16 pos, FaceId face,
std::map<v3s16, std::list<CircuitElement>::iterator>& pos_to_iterator,
bool connected_faces[6]) {
static v3s16 directions[6] = {v3s16(0, -1, 0),
v3s16(0, 0, 1),
v3s16(-1, 0, 0),
v3s16(0, 1, 0),
v3s16(0, 0, -1),
v3s16(1, 0, 0),
};
std::map <v3s16, unsigned char> used;
used[pos] = face;
std::queue <std::pair <v3s16, unsigned char> > q;
v3s16 current_pos;
v3s16 next_pos;
std::map <v3s16, unsigned char>::iterator current_used_iterator;
std::map <v3s16, unsigned char>::iterator tmp_used_iterator;
ContentFeatures node_features, current_node_features;
MapNode next_node, current_node;
int face_id = FACE_TO_SHIFT(face);
connected_faces[face_id] = true;
current_pos.X = pos.X + directions[face_id].X;
current_pos.Y = pos.Y + directions[face_id].Y;
current_pos.Z = pos.Z + directions[face_id].Z;
next_node = map.getNodeNoEx(current_pos);
node_features = ndef->get(next_node);
q.push(std::make_pair(current_pos, node_features.wire_connections[FACE_TO_SHIFT(OPPOSITE_FACE(face))]));
if(ndef->get(map.getNodeNoEx(current_pos)).is_wire || ndef->get(map.getNodeNoEx(current_pos)).is_connector) {
while(!q.empty()) {
unsigned char acceptable_faces;
current_pos = q.front().first;
acceptable_faces = q.front().second;
q.pop();
for(int i = 0; i < 6; ++i) {
if(acceptable_faces & (SHIFT_TO_FACE(i))) {
next_pos.X = current_pos.X + directions[i].X;
next_pos.Y = current_pos.Y + directions[i].Y;
next_pos.Z = current_pos.Z + directions[i].Z;
used[current_pos] |= SHIFT_TO_FACE(i);
next_node = map.getNodeNoEx(next_pos);
node_features = ndef->get(next_node);
current_node = map.getNodeNoEx(current_pos);
current_node_features = ndef->get(current_node);
current_used_iterator = used.find(next_pos);
// If start element, mark some of it's faces
if(next_pos == pos) {
connected_faces[OPPOSITE_SHIFT(i)] = true;
}
if((current_used_iterator == used.end()) ||
!(current_used_iterator->second & SHIFT_TO_FACE(OPPOSITE_SHIFT(i)))) {
if(current_node_features.is_connector || node_features.is_connector
|| (node_features.is_wire && (next_node.getContent() == current_node.getContent()))) {
if(node_features.param_type_2 == CPT2_FACEDIR) {
q.push(std::make_pair(next_pos, CircuitElementStates::rotateState(
node_features.wire_connections[OPPOSITE_SHIFT(i)],
FACEDIR_TO_FACE(next_node.param2))));
} else {
q.push(std::make_pair(next_pos, node_features.wire_connections[OPPOSITE_SHIFT(i)]));
}
tmp_used_iterator = used.find(next_pos);
if(tmp_used_iterator != used.end()) {
tmp_used_iterator->second |= SHIFT_TO_FACE(OPPOSITE_SHIFT(i));
} else {
used[next_pos] = SHIFT_TO_FACE(OPPOSITE_SHIFT(i));
}
}
if(node_features.is_circuit_element) {
tmp_used_iterator = used.find(next_pos);
if(tmp_used_iterator != used.end()) {
tmp_used_iterator->second |= SHIFT_TO_FACE(OPPOSITE_SHIFT(i));
} else {
used[next_pos] = SHIFT_TO_FACE(OPPOSITE_SHIFT(i));
}
connected.push_back(std::make_pair(pos_to_iterator[next_pos],
OPPOSITE_SHIFT(i)));
}
}
}
}
}
} else if(ndef->get(map.getNodeNoEx(current_pos)).is_circuit_element) {
connected.push_back(std::make_pair(pos_to_iterator[current_pos],
FACE_TO_SHIFT(OPPOSITE_FACE(face))));
}
}