Allow group:groupname in ABM definition and implement minetest.hash_node_position()

This commit is contained in:
Perttu Ahola 2012-03-31 12:30:11 +03:00
parent 1518b8f753
commit 280e1a2512
5 changed files with 54 additions and 15 deletions

@ -861,6 +861,14 @@ function minetest.get_connected_players()
return list
end
function minetest.hash_node_position(pos)
return (pos.z+32768)*65536*65536 + (pos.y+32768)*65536 + pos.x+32768
end
--
-- Privileges
--
minetest.registered_privileges = {}
function minetest.register_privilege(name, description)
minetest.registered_privileges[name] = description

@ -542,6 +542,8 @@ minetest.after(time, func, param)
Random:
minetest.get_connected_players() -> list of ObjectRefs
minetest.hash_node_position({x=,y=,z=}) -> 48-bit integer
^ Gives a unique hash number for a node position (16+16+16=48bit)
Global objects:
minetest.env - environment reference
@ -768,6 +770,7 @@ Entity definition (register_entity)
ABM (ActiveBlockModifier) definition (register_abm)
{
-- In the following two fields, also group:groupname will work.
nodenames = {"default:lava_source"},
neighbors = {"default:water_source", "default:water_flowing"}, -- (any of these)
^ If left out or empty, any neighbor will do

@ -646,19 +646,21 @@ public:
= abm->getRequiredNeighbors();
for(std::set<std::string>::iterator
i = required_neighbors_s.begin();
i != required_neighbors_s.end(); i++){
content_t c = ndef->getId(*i);
if(c == CONTENT_IGNORE)
continue;
aabm.required_neighbors.insert(c);
i != required_neighbors_s.end(); i++)
{
ndef->getIds(*i, aabm.required_neighbors);
}
// Trigger contents
std::set<std::string> contents_s = abm->getTriggerContents();
for(std::set<std::string>::iterator
i = contents_s.begin(); i != contents_s.end(); i++){
content_t c = ndef->getId(*i);
if(c == CONTENT_IGNORE)
continue;
i = contents_s.begin(); i != contents_s.end(); i++)
{
std::set<content_t> ids;
ndef->getIds(*i, ids);
for(std::set<content_t>::const_iterator k = ids.begin();
k != ids.end(); k++)
{
content_t c = *k;
std::map<content_t, std::list<ActiveABM> >::iterator j;
j = m_aabms.find(c);
if(j == m_aabms.end()){
@ -670,6 +672,7 @@ public:
}
}
}
}
void apply(MapBlock *block)
{
if(m_aabms.empty())

@ -380,6 +380,25 @@ public:
getId(name, id);
return id;
}
virtual void getIds(const std::string &name, std::set<content_t> &result)
const
{
if(name.substr(0,6) != "group:"){
content_t id = CONTENT_IGNORE;
if(getId(name, id))
result.insert(id);
return;
}
std::string group = name.substr(6);
for(u16 id=0; id<=MAX_CONTENT; id++)
{
const ContentFeatures &f = m_content_features[id];
if(f.name == "") // Quickly discard undefined nodes
continue;
if(itemgroup_get(f.groups, group) != 0)
result.insert(id);
}
}
virtual const ContentFeatures& get(const std::string &name) const
{
content_t id = CONTENT_IGNORE;

@ -238,6 +238,9 @@ public:
virtual const ContentFeatures& get(const MapNode &n) const=0;
virtual bool getId(const std::string &name, content_t &result) const=0;
virtual content_t getId(const std::string &name) const=0;
// Allows "group:name" in addition to regular node names
virtual void getIds(const std::string &name, std::set<content_t> &result)
const=0;
virtual const ContentFeatures& get(const std::string &name) const=0;
virtual void serialize(std::ostream &os)=0;
@ -254,6 +257,9 @@ public:
virtual const ContentFeatures& get(const MapNode &n) const=0;
virtual bool getId(const std::string &name, content_t &result) const=0;
virtual content_t getId(const std::string &name) const=0;
// Allows "group:name" in addition to regular node names
virtual void getIds(const std::string &name, std::set<content_t> &result)
const=0;
// If not found, returns the features of CONTENT_IGNORE
virtual const ContentFeatures& get(const std::string &name) const=0;