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mirror of https://github.com/moparisthebest/minetest synced 2024-12-22 23:58:48 -05:00

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

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@ -861,6 +861,14 @@ function minetest.get_connected_players()
return list return list
end 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 = {} minetest.registered_privileges = {}
function minetest.register_privilege(name, description) function minetest.register_privilege(name, description)
minetest.registered_privileges[name] = description minetest.registered_privileges[name] = description

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

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@ -646,27 +646,30 @@ public:
= abm->getRequiredNeighbors(); = abm->getRequiredNeighbors();
for(std::set<std::string>::iterator for(std::set<std::string>::iterator
i = required_neighbors_s.begin(); i = required_neighbors_s.begin();
i != required_neighbors_s.end(); i++){ i != required_neighbors_s.end(); i++)
content_t c = ndef->getId(*i); {
if(c == CONTENT_IGNORE) ndef->getIds(*i, aabm.required_neighbors);
continue;
aabm.required_neighbors.insert(c);
} }
// Trigger contents // Trigger contents
std::set<std::string> contents_s = abm->getTriggerContents(); std::set<std::string> contents_s = abm->getTriggerContents();
for(std::set<std::string>::iterator for(std::set<std::string>::iterator
i = contents_s.begin(); i != contents_s.end(); i++){ i = contents_s.begin(); i != contents_s.end(); i++)
content_t c = ndef->getId(*i); {
if(c == CONTENT_IGNORE) std::set<content_t> ids;
continue; ndef->getIds(*i, ids);
std::map<content_t, std::list<ActiveABM> >::iterator j; for(std::set<content_t>::const_iterator k = ids.begin();
j = m_aabms.find(c); k != ids.end(); k++)
if(j == m_aabms.end()){ {
std::list<ActiveABM> aabmlist; content_t c = *k;
m_aabms[c] = aabmlist; std::map<content_t, std::list<ActiveABM> >::iterator j;
j = m_aabms.find(c); j = m_aabms.find(c);
if(j == m_aabms.end()){
std::list<ActiveABM> aabmlist;
m_aabms[c] = aabmlist;
j = m_aabms.find(c);
}
j->second.push_back(aabm);
} }
j->second.push_back(aabm);
} }
} }
} }

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@ -380,6 +380,25 @@ public:
getId(name, id); getId(name, id);
return 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 virtual const ContentFeatures& get(const std::string &name) const
{ {
content_t id = CONTENT_IGNORE; content_t id = CONTENT_IGNORE;

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@ -238,6 +238,9 @@ public:
virtual const ContentFeatures& get(const MapNode &n) const=0; virtual const ContentFeatures& get(const MapNode &n) const=0;
virtual bool getId(const std::string &name, content_t &result) const=0; virtual bool getId(const std::string &name, content_t &result) const=0;
virtual content_t getId(const std::string &name) 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 const ContentFeatures& get(const std::string &name) const=0;
virtual void serialize(std::ostream &os)=0; virtual void serialize(std::ostream &os)=0;
@ -254,6 +257,9 @@ public:
virtual const ContentFeatures& get(const MapNode &n) const=0; virtual const ContentFeatures& get(const MapNode &n) const=0;
virtual bool getId(const std::string &name, content_t &result) const=0; virtual bool getId(const std::string &name, content_t &result) const=0;
virtual content_t getId(const std::string &name) 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 // If not found, returns the features of CONTENT_IGNORE
virtual const ContentFeatures& get(const std::string &name) const=0; virtual const ContentFeatures& get(const std::string &name) const=0;