+void MapNode::rotateAlongYAxis(const NodeDefManager *nodemgr, Rotation rot)
+{
+ ContentParamType2 cpt2 = nodemgr->get(*this).param_type_2;
+
+ if (cpt2 == CPT2_FACEDIR || cpt2 == CPT2_COLORED_FACEDIR) {
+ static const u8 rotate_facedir[24 * 4] = {
+ // Table value = rotated facedir
+ // Columns: 0, 90, 180, 270 degrees rotation around vertical axis
+ // Rotation is anticlockwise as seen from above (+Y)
+
+ 0, 1, 2, 3, // Initial facedir 0 to 3
+ 1, 2, 3, 0,
+ 2, 3, 0, 1,
+ 3, 0, 1, 2,
+
+ 4, 13, 10, 19, // 4 to 7
+ 5, 14, 11, 16,
+ 6, 15, 8, 17,
+ 7, 12, 9, 18,
+
+ 8, 17, 6, 15, // 8 to 11
+ 9, 18, 7, 12,
+ 10, 19, 4, 13,
+ 11, 16, 5, 14,
+
+ 12, 9, 18, 7, // 12 to 15
+ 13, 10, 19, 4,
+ 14, 11, 16, 5,
+ 15, 8, 17, 6,
+
+ 16, 5, 14, 11, // 16 to 19
+ 17, 6, 15, 8,
+ 18, 7, 12, 9,
+ 19, 4, 13, 10,
+
+ 20, 23, 22, 21, // 20 to 23
+ 21, 20, 23, 22,
+ 22, 21, 20, 23,
+ 23, 22, 21, 20
+ };
+ u8 facedir = (param2 & 31) % 24;
+ u8 index = facedir * 4 + rot;
+ param2 &= ~31;
+ param2 |= rotate_facedir[index];
+ } else if (cpt2 == CPT2_WALLMOUNTED ||
+ cpt2 == CPT2_COLORED_WALLMOUNTED) {
+ u8 wmountface = (param2 & 7);
+ if (wmountface <= 1)
+ return;
+
+ Rotation oldrot = wallmounted_to_rot[wmountface - 2];
+ param2 &= ~7;
+ param2 |= rot_to_wallmounted[(oldrot - rot) & 3];
+ }
+}
+
+void transformNodeBox(const MapNode &n, const NodeBox &nodebox,
+ const NodeDefManager *nodemgr, std::vector<aabb3f> *p_boxes,
+ u8 neighbors = 0)
+{
+ std::vector<aabb3f> &boxes = *p_boxes;
+
+ if (nodebox.type == NODEBOX_FIXED || nodebox.type == NODEBOX_LEVELED) {
+ const std::vector<aabb3f> &fixed = nodebox.fixed;
+ int facedir = n.getFaceDir(nodemgr, true);
+ u8 axisdir = facedir>>2;
+ facedir&=0x03;
+ for (aabb3f box : fixed) {
+ if (nodebox.type == NODEBOX_LEVELED)
+ box.MaxEdge.Y = (-0.5f + n.getLevel(nodemgr) / 64.0f) * BS;
+
+ switch (axisdir) {
+ case 0:
+ if(facedir == 1)
+ {
+ box.MinEdge.rotateXZBy(-90);
+ box.MaxEdge.rotateXZBy(-90);
+ }
+ else if(facedir == 2)
+ {
+ box.MinEdge.rotateXZBy(180);
+ box.MaxEdge.rotateXZBy(180);
+ }
+ else if(facedir == 3)
+ {
+ box.MinEdge.rotateXZBy(90);
+ box.MaxEdge.rotateXZBy(90);
+ }
+ break;
+ case 1: // z+
+ box.MinEdge.rotateYZBy(90);
+ box.MaxEdge.rotateYZBy(90);
+ if(facedir == 1)
+ {
+ box.MinEdge.rotateXYBy(90);
+ box.MaxEdge.rotateXYBy(90);
+ }
+ else if(facedir == 2)
+ {
+ box.MinEdge.rotateXYBy(180);
+ box.MaxEdge.rotateXYBy(180);
+ }
+ else if(facedir == 3)
+ {
+ box.MinEdge.rotateXYBy(-90);
+ box.MaxEdge.rotateXYBy(-90);
+ }
+ break;
+ case 2: //z-
+ box.MinEdge.rotateYZBy(-90);
+ box.MaxEdge.rotateYZBy(-90);
+ if(facedir == 1)
+ {
+ box.MinEdge.rotateXYBy(-90);
+ box.MaxEdge.rotateXYBy(-90);
+ }
+ else if(facedir == 2)
+ {
+ box.MinEdge.rotateXYBy(180);
+ box.MaxEdge.rotateXYBy(180);
+ }
+ else if(facedir == 3)
+ {
+ box.MinEdge.rotateXYBy(90);
+ box.MaxEdge.rotateXYBy(90);
+ }
+ break;
+ case 3: //x+
+ box.MinEdge.rotateXYBy(-90);
+ box.MaxEdge.rotateXYBy(-90);
+ if(facedir == 1)
+ {
+ box.MinEdge.rotateYZBy(90);
+ box.MaxEdge.rotateYZBy(90);
+ }
+ else if(facedir == 2)
+ {
+ box.MinEdge.rotateYZBy(180);
+ box.MaxEdge.rotateYZBy(180);
+ }
+ else if(facedir == 3)
+ {
+ box.MinEdge.rotateYZBy(-90);
+ box.MaxEdge.rotateYZBy(-90);
+ }
+ break;
+ case 4: //x-
+ box.MinEdge.rotateXYBy(90);
+ box.MaxEdge.rotateXYBy(90);
+ if(facedir == 1)
+ {
+ box.MinEdge.rotateYZBy(-90);
+ box.MaxEdge.rotateYZBy(-90);
+ }
+ else if(facedir == 2)
+ {
+ box.MinEdge.rotateYZBy(180);
+ box.MaxEdge.rotateYZBy(180);
+ }
+ else if(facedir == 3)
+ {
+ box.MinEdge.rotateYZBy(90);
+ box.MaxEdge.rotateYZBy(90);
+ }
+ break;
+ case 5:
+ box.MinEdge.rotateXYBy(-180);
+ box.MaxEdge.rotateXYBy(-180);
+ if(facedir == 1)
+ {
+ box.MinEdge.rotateXZBy(90);
+ box.MaxEdge.rotateXZBy(90);
+ }
+ else if(facedir == 2)
+ {
+ box.MinEdge.rotateXZBy(180);
+ box.MaxEdge.rotateXZBy(180);
+ }
+ else if(facedir == 3)
+ {
+ box.MinEdge.rotateXZBy(-90);
+ box.MaxEdge.rotateXZBy(-90);
+ }
+ break;
+ default:
+ break;
+ }
+ box.repair();
+ boxes.push_back(box);
+ }
+ }
+ else if(nodebox.type == NODEBOX_WALLMOUNTED)
+ {
+ v3s16 dir = n.getWallMountedDir(nodemgr);
+
+ // top
+ if(dir == v3s16(0,1,0))
+ {
+ boxes.push_back(nodebox.wall_top);
+ }
+ // bottom
+ else if(dir == v3s16(0,-1,0))
+ {
+ boxes.push_back(nodebox.wall_bottom);
+ }
+ // side
+ else
+ {
+ v3f vertices[2] =
+ {
+ nodebox.wall_side.MinEdge,
+ nodebox.wall_side.MaxEdge
+ };
+
+ for (v3f &vertex : vertices) {
+ if(dir == v3s16(-1,0,0))
+ vertex.rotateXZBy(0);
+ if(dir == v3s16(1,0,0))
+ vertex.rotateXZBy(180);
+ if(dir == v3s16(0,0,-1))
+ vertex.rotateXZBy(90);
+ if(dir == v3s16(0,0,1))
+ vertex.rotateXZBy(-90);
+ }
+
+ aabb3f box = aabb3f(vertices[0]);
+ box.addInternalPoint(vertices[1]);
+ boxes.push_back(box);
+ }
+ }
+ else if (nodebox.type == NODEBOX_CONNECTED)
+ {
+ size_t boxes_size = boxes.size();
+ boxes_size += nodebox.fixed.size();
+ if (neighbors & 1)
+ boxes_size += nodebox.connect_top.size();
+ else
+ boxes_size += nodebox.disconnected_top.size();
+
+ if (neighbors & 2)
+ boxes_size += nodebox.connect_bottom.size();
+ else
+ boxes_size += nodebox.disconnected_bottom.size();
+
+ if (neighbors & 4)
+ boxes_size += nodebox.connect_front.size();
+ else
+ boxes_size += nodebox.disconnected_front.size();
+
+ if (neighbors & 8)
+ boxes_size += nodebox.connect_left.size();
+ else
+ boxes_size += nodebox.disconnected_left.size();
+
+ if (neighbors & 16)
+ boxes_size += nodebox.connect_back.size();
+ else
+ boxes_size += nodebox.disconnected_back.size();
+
+ if (neighbors & 32)
+ boxes_size += nodebox.connect_right.size();
+ else
+ boxes_size += nodebox.disconnected_right.size();
+
+ if (neighbors == 0)
+ boxes_size += nodebox.disconnected.size();
+
+ if (neighbors < 4)
+ boxes_size += nodebox.disconnected_sides.size();
+
+ boxes.reserve(boxes_size);
+
+#define BOXESPUSHBACK(c) \
+ for (std::vector<aabb3f>::const_iterator \
+ it = (c).begin(); \
+ it != (c).end(); ++it) \
+ (boxes).push_back(*it);
+
+ BOXESPUSHBACK(nodebox.fixed);
+
+ if (neighbors & 1) {
+ BOXESPUSHBACK(nodebox.connect_top);
+ } else {
+ BOXESPUSHBACK(nodebox.disconnected_top);
+ }
+
+ if (neighbors & 2) {
+ BOXESPUSHBACK(nodebox.connect_bottom);
+ } else {
+ BOXESPUSHBACK(nodebox.disconnected_bottom);
+ }
+
+ if (neighbors & 4) {
+ BOXESPUSHBACK(nodebox.connect_front);
+ } else {
+ BOXESPUSHBACK(nodebox.disconnected_front);
+ }
+
+ if (neighbors & 8) {
+ BOXESPUSHBACK(nodebox.connect_left);
+ } else {
+ BOXESPUSHBACK(nodebox.disconnected_left);
+ }
+
+ if (neighbors & 16) {
+ BOXESPUSHBACK(nodebox.connect_back);
+ } else {
+ BOXESPUSHBACK(nodebox.disconnected_back);
+ }
+
+ if (neighbors & 32) {
+ BOXESPUSHBACK(nodebox.connect_right);
+ } else {
+ BOXESPUSHBACK(nodebox.disconnected_right);
+ }
+
+ if (neighbors == 0) {
+ BOXESPUSHBACK(nodebox.disconnected);
+ }
+
+ if (neighbors < 4) {
+ BOXESPUSHBACK(nodebox.disconnected_sides);
+ }
+
+ }
+ else // NODEBOX_REGULAR
+ {
+ boxes.emplace_back(-BS/2,-BS/2,-BS/2,BS/2,BS/2,BS/2);
+ }
+}
+
+static inline void getNeighborConnectingFace(
+ const v3s16 &p, const NodeDefManager *nodedef,
+ Map *map, MapNode n, u8 bitmask, u8 *neighbors)
+{
+ MapNode n2 = map->getNodeNoEx(p);
+ if (nodedef->nodeboxConnects(n, n2, bitmask))
+ *neighbors |= bitmask;
+}
+
+u8 MapNode::getNeighbors(v3s16 p, Map *map)
+{
+ const NodeDefManager *nodedef = map->getNodeDefManager();
+ u8 neighbors = 0;
+ const ContentFeatures &f = nodedef->get(*this);
+ // locate possible neighboring nodes to connect to
+ if (f.drawtype == NDT_NODEBOX && f.node_box.type == NODEBOX_CONNECTED) {
+ v3s16 p2 = p;
+
+ p2.Y++;
+ getNeighborConnectingFace(p2, nodedef, map, *this, 1, &neighbors);
+
+ p2 = p;
+ p2.Y--;
+ getNeighborConnectingFace(p2, nodedef, map, *this, 2, &neighbors);
+
+ p2 = p;
+ p2.Z--;
+ getNeighborConnectingFace(p2, nodedef, map, *this, 4, &neighbors);
+
+ p2 = p;
+ p2.X--;
+ getNeighborConnectingFace(p2, nodedef, map, *this, 8, &neighbors);
+
+ p2 = p;
+ p2.Z++;
+ getNeighborConnectingFace(p2, nodedef, map, *this, 16, &neighbors);
+
+ p2 = p;
+ p2.X++;
+ getNeighborConnectingFace(p2, nodedef, map, *this, 32, &neighbors);
+ }
+
+ return neighbors;
+}
+
+void MapNode::getNodeBoxes(const NodeDefManager *nodemgr,
+ std::vector<aabb3f> *boxes, u8 neighbors)
+{
+ const ContentFeatures &f = nodemgr->get(*this);
+ transformNodeBox(*this, f.node_box, nodemgr, boxes, neighbors);
+}
+
+void MapNode::getCollisionBoxes(const NodeDefManager *nodemgr,
+ std::vector<aabb3f> *boxes, u8 neighbors)
+{
+ const ContentFeatures &f = nodemgr->get(*this);
+ if (f.collision_box.fixed.empty())
+ transformNodeBox(*this, f.node_box, nodemgr, boxes, neighbors);
+ else
+ transformNodeBox(*this, f.collision_box, nodemgr, boxes, neighbors);
+}
+
+void MapNode::getSelectionBoxes(const NodeDefManager *nodemgr,
+ std::vector<aabb3f> *boxes, u8 neighbors)
+{
+ const ContentFeatures &f = nodemgr->get(*this);
+ transformNodeBox(*this, f.selection_box, nodemgr, boxes, neighbors);
+}
+
+u8 MapNode::getMaxLevel(const NodeDefManager *nodemgr) const
+{
+ const ContentFeatures &f = nodemgr->get(*this);
+ // todo: after update in all games leave only if (f.param_type_2 ==
+ if( f.liquid_type == LIQUID_FLOWING || f.param_type_2 == CPT2_FLOWINGLIQUID)
+ return LIQUID_LEVEL_MAX;
+ if(f.leveled || f.param_type_2 == CPT2_LEVELED)
+ return LEVELED_MAX;
+ return 0;
+}
+
+u8 MapNode::getLevel(const NodeDefManager *nodemgr) const
+{
+ const ContentFeatures &f = nodemgr->get(*this);
+ // todo: after update in all games leave only if (f.param_type_2 ==
+ if(f.liquid_type == LIQUID_SOURCE)
+ return LIQUID_LEVEL_SOURCE;
+ if (f.param_type_2 == CPT2_FLOWINGLIQUID)
+ return getParam2() & LIQUID_LEVEL_MASK;
+ if(f.liquid_type == LIQUID_FLOWING) // can remove if all param_type_2 setted
+ return getParam2() & LIQUID_LEVEL_MASK;
+ if(f.leveled || f.param_type_2 == CPT2_LEVELED) {
+ u8 level = getParam2() & LEVELED_MASK;
+ if(level)
+ return level;
+ if(f.leveled > LEVELED_MAX)
+ return LEVELED_MAX;
+ return f.leveled; //default
+ }
+ return 0;
+}
+
+u8 MapNode::setLevel(const NodeDefManager *nodemgr, s8 level)
+{
+ u8 rest = 0;
+ if (level < 1) {
+ setContent(CONTENT_AIR);
+ return 0;
+ }
+ const ContentFeatures &f = nodemgr->get(*this);
+ if (f.param_type_2 == CPT2_FLOWINGLIQUID
+ || f.liquid_type == LIQUID_FLOWING
+ || f.liquid_type == LIQUID_SOURCE) {
+ if (level >= LIQUID_LEVEL_SOURCE) {
+ rest = level - LIQUID_LEVEL_SOURCE;
+ setContent(nodemgr->getId(f.liquid_alternative_source));
+ } else {
+ setContent(nodemgr->getId(f.liquid_alternative_flowing));
+ setParam2(level & LIQUID_LEVEL_MASK);
+ }
+ } else if (f.leveled || f.param_type_2 == CPT2_LEVELED) {
+ if (level > LEVELED_MAX) {
+ rest = level - LEVELED_MAX;
+ level = LEVELED_MAX;
+ }
+ setParam2(level & LEVELED_MASK);
+ }
+ return rest;
+}