aboutsummaryrefslogtreecommitdiff
path: root/src/util/areastore.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/util/areastore.h')
-rw-r--r--src/util/areastore.h118
1 files changed, 60 insertions, 58 deletions
diff --git a/src/util/areastore.h b/src/util/areastore.h
index da7876396..20e9bdfc5 100644
--- a/src/util/areastore.h
+++ b/src/util/areastore.h
@@ -39,122 +39,122 @@ with this program; if not, write to the Free Software Foundation, Inc.,
struct Area {
Area() {}
- Area(const v3s16 &mine, const v3s16 &maxe)
+ Area(const v3s16 &mine, const v3s16 &maxe) :
+ minedge(mine), maxedge(maxe)
{
- minedge = mine;
- maxedge = maxe;
sortBoxVerticies(minedge, maxedge);
}
u32 id;
- v3s16 minedge;
- v3s16 maxedge;
+ v3s16 minedge, maxedge;
std::string data;
};
class AreaStore {
-protected:
- void invalidateCache();
- virtual void getAreasForPosImpl(std::vector<Area *> *result, v3s16 pos) = 0;
- u32 getNextId() { return m_next_id++; }
-
- // Note: This can't be an unordered_map, since all
- // references would be invalidated on rehash.
- typedef std::map<u32, Area> AreaMap;
- AreaMap areas_map;
public:
+ AreaStore() :
+ m_cache_enabled(true),
+ m_cacheblock_radius(64),
+ m_res_cache(1000, &cacheMiss, this),
+ m_next_id(0)
+ {}
+
+ virtual ~AreaStore() {}
+
+ static AreaStore *getOptimalImplementation();
+
+ virtual void reserve(size_t count) {};
+ size_t size() const { return areas_map.size(); }
+
// Updates the area's ID
virtual bool insertArea(Area *a) = 0;
- virtual void reserve(size_t count) {};
virtual bool removeArea(u32 id) = 0;
void getAreasForPos(std::vector<Area *> *result, v3s16 pos);
virtual void getAreasInArea(std::vector<Area *> *result,
v3s16 minedge, v3s16 maxedge, bool accept_overlap) = 0;
-
-#if 0
- // calls a passed function for every stored area, until the
- // callback returns true. If that happens, it returns true,
- // if the search is exhausted, it returns false
- virtual bool forEach(bool (*callback)(void *args, Area *a), void *args) const = 0;
-#endif
-
- virtual ~AreaStore()
- {}
-
- AreaStore() :
- m_cacheblock_radius(64),
- m_res_cache(1000, &cacheMiss, this),
- m_next_id(0),
- m_cache_enabled(true)
- {
- }
-
void setCacheParams(bool enabled, u8 block_radius, size_t limit);
const Area *getArea(u32 id) const;
- u16 size() const;
- static AreaStore *getOptimalImplementation();
#if 0
- bool deserialize(std::istream &is);
+ typedef bool (*ForEachCallback)(const Area *a, void *arg);
+ // Calls a passed function for every stored area, until the
+ // callback returns true. If that happens, it returns true,
+ // if the search is exhausted, it returns false.
+ virtual bool forEach(ForEachCallback, void *arg=NULL) const = 0;
+
void serialize(std::ostream &is) const;
+ bool deserialize(std::istream &is);
#endif
+
+protected:
+ void invalidateCache();
+ virtual void getAreasForPosImpl(std::vector<Area *> *result, v3s16 pos) = 0;
+ u32 getNextId() { return m_next_id++; }
+
+ // Note: This can't be an unordered_map, since all
+ // references would be invalidated on rehash.
+ typedef std::map<u32, Area> AreaMap;
+ AreaMap areas_map;
+
private:
static void cacheMiss(void *data, const v3s16 &mpos, std::vector<Area *> *dest);
+
+ bool m_cache_enabled;
u8 m_cacheblock_radius; // if you modify this, call invalidateCache()
LRUCache<v3s16, std::vector<Area *> > m_res_cache;
+
u32 m_next_id;
- bool m_cache_enabled;
};
class VectorAreaStore : public AreaStore {
-protected:
- virtual void getAreasForPosImpl(std::vector<Area *> *result, v3s16 pos);
public:
virtual void reserve(size_t count) { m_areas.reserve(count); }
virtual bool insertArea(Area *a);
virtual bool removeArea(u32 id);
virtual void getAreasInArea(std::vector<Area *> *result,
v3s16 minedge, v3s16 maxedge, bool accept_overlap);
- // virtual bool forEach(bool (*callback)(void *args, Area *a), void *args) const;
+ //virtual bool forEach(ForEachCallback, void *arg) const;
+
+protected:
+ virtual void getAreasForPosImpl(std::vector<Area *> *result, v3s16 pos);
+
private:
std::vector<Area *> m_areas;
};
+
#if USE_SPATIAL
class SpatialAreaStore : public AreaStore {
-protected:
- virtual void getAreasForPosImpl(std::vector<Area *> *result, v3s16 pos);
public:
SpatialAreaStore();
+ virtual ~SpatialAreaStore();
+
virtual bool insertArea(Area *a);
virtual bool removeArea(u32 id);
virtual void getAreasInArea(std::vector<Area *> *result,
v3s16 minedge, v3s16 maxedge, bool accept_overlap);
- // virtual bool forEach(bool (*callback)(void *args, Area *a), void *args) const;
+ //virtual bool forEach(ForEachCallback, void *arg) const;
+
+protected:
+ virtual void getAreasForPosImpl(std::vector<Area *> *result, v3s16 pos);
- virtual ~SpatialAreaStore();
private:
SpatialIndex::ISpatialIndex *m_tree;
SpatialIndex::IStorageManager *m_storagemanager;
class VectorResultVisitor : public SpatialIndex::IVisitor {
- private:
- SpatialAreaStore *m_store;
- std::vector<Area *> *m_result;
public:
- VectorResultVisitor(std::vector<Area *> *result, SpatialAreaStore *store)
- {
- m_store = store;
- m_result = result;
- }
+ VectorResultVisitor(std::vector<Area *> *result, SpatialAreaStore *store) :
+ m_store(store),
+ m_result(result)
+ {}
+ ~VectorResultVisitor() {}
- virtual void visitNode(const SpatialIndex::INode &in)
- {
- }
+ virtual void visitNode(const SpatialIndex::INode &in) {}
virtual void visitData(const SpatialIndex::IData &in)
{
@@ -171,10 +171,12 @@ private:
visitData(*(v[i]));
}
- ~VectorResultVisitor() {}
+ private:
+ SpatialAreaStore *m_store;
+ std::vector<Area *> *m_result;
};
};
-#endif
+#endif // USE_SPATIAL
#endif // AREA_STORE_H_