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authorElias Fleckenstein <54945686+EliasFleckenstein03@users.noreply.github.com>2020-12-29 16:50:09 +0100
committerGitHub <noreply@github.com>2020-12-29 16:50:09 +0100
commit9250b5205a6c627dfa18b7870b454d74f8d9dae6 (patch)
tree029b10d67356eb052fe2594f3d58967dc9d2a88e
parent09d7fbd645888aac32d089ff528ac1d1eb87e72d (diff)
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Add minetest.get_objects_in_area (#10668)
-rw-r--r--doc/lua_api.txt3
-rw-r--r--src/script/lua_api/l_env.cpp26
-rw-r--r--src/script/lua_api/l_env.h3
-rw-r--r--src/server/activeobjectmgr.cpp15
-rw-r--r--src/server/activeobjectmgr.h3
-rw-r--r--src/serverenvironment.h7
6 files changed, 57 insertions, 0 deletions
diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index 708d6b0bc..800fc0c24 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -4891,6 +4891,9 @@ Environment access
* `minetest.get_objects_inside_radius(pos, radius)`: returns a list of
ObjectRefs.
* `radius`: using an euclidean metric
+* `minetest.get_objects_in_area(pos1, pos2)`: returns a list of
+ ObjectRefs.
+ * `pos1` and `pos2` are the min and max positions of the area to search.
* `minetest.set_timeofday(val)`
* `val` is between `0` and `1`; `0` for midnight, `0.5` for midday
* `minetest.get_timeofday()`
diff --git a/src/script/lua_api/l_env.cpp b/src/script/lua_api/l_env.cpp
index 021ef2ea7..c75fc8dc7 100644
--- a/src/script/lua_api/l_env.cpp
+++ b/src/script/lua_api/l_env.cpp
@@ -743,6 +743,31 @@ int ModApiEnvMod::l_get_objects_inside_radius(lua_State *L)
return 1;
}
+// get_objects_in_area(pos, minp, maxp)
+int ModApiEnvMod::l_get_objects_in_area(lua_State *L)
+{
+ GET_ENV_PTR;
+ ScriptApiBase *script = getScriptApiBase(L);
+
+ v3f minp = read_v3f(L, 1) * BS;
+ v3f maxp = read_v3f(L, 2) * BS;
+ aabb3f box(minp, maxp);
+ box.repair();
+ std::vector<ServerActiveObject *> objs;
+
+ auto include_obj_cb = [](ServerActiveObject *obj){ return !obj->isGone(); };
+ env->getObjectsInArea(objs, box, include_obj_cb);
+
+ int i = 0;
+ lua_createtable(L, objs.size(), 0);
+ for (const auto obj : objs) {
+ // Insert object reference into table
+ script->objectrefGetOrCreate(L, obj);
+ lua_rawseti(L, -2, ++i);
+ }
+ return 1;
+}
+
// set_timeofday(val)
// val = 0...1
int ModApiEnvMod::l_set_timeofday(lua_State *L)
@@ -1413,6 +1438,7 @@ void ModApiEnvMod::Initialize(lua_State *L, int top)
API_FCT(get_node_timer);
API_FCT(get_connected_players);
API_FCT(get_player_by_name);
+ API_FCT(get_objects_in_area);
API_FCT(get_objects_inside_radius);
API_FCT(set_timeofday);
API_FCT(get_timeofday);
diff --git a/src/script/lua_api/l_env.h b/src/script/lua_api/l_env.h
index 7f212b5fc..42c2d64f8 100644
--- a/src/script/lua_api/l_env.h
+++ b/src/script/lua_api/l_env.h
@@ -114,6 +114,9 @@ private:
// get_objects_inside_radius(pos, radius)
static int l_get_objects_inside_radius(lua_State *L);
+
+ // get_objects_in_area(pos, minp, maxp)
+ static int l_get_objects_in_area(lua_State *L);
// set_timeofday(val)
// val = 0...1
diff --git a/src/server/activeobjectmgr.cpp b/src/server/activeobjectmgr.cpp
index 1b8e31409..acd6611f4 100644
--- a/src/server/activeobjectmgr.cpp
+++ b/src/server/activeobjectmgr.cpp
@@ -127,6 +127,21 @@ void ActiveObjectMgr::getObjectsInsideRadius(const v3f &pos, float radius,
}
}
+void ActiveObjectMgr::getObjectsInArea(const aabb3f &box,
+ std::vector<ServerActiveObject *> &result,
+ std::function<bool(ServerActiveObject *obj)> include_obj_cb)
+{
+ for (auto &activeObject : m_active_objects) {
+ ServerActiveObject *obj = activeObject.second;
+ const v3f &objectpos = obj->getBasePosition();
+ if (!box.isPointInside(objectpos))
+ continue;
+
+ if (!include_obj_cb || include_obj_cb(obj))
+ result.push_back(obj);
+ }
+}
+
void ActiveObjectMgr::getAddedActiveObjectsAroundPos(const v3f &player_pos, f32 radius,
f32 player_radius, std::set<u16> &current_objects,
std::queue<u16> &added_objects)
diff --git a/src/server/activeobjectmgr.h b/src/server/activeobjectmgr.h
index bc2085499..d43f5643c 100644
--- a/src/server/activeobjectmgr.h
+++ b/src/server/activeobjectmgr.h
@@ -38,6 +38,9 @@ public:
void getObjectsInsideRadius(const v3f &pos, float radius,
std::vector<ServerActiveObject *> &result,
std::function<bool(ServerActiveObject *obj)> include_obj_cb);
+ void getObjectsInArea(const aabb3f &box,
+ std::vector<ServerActiveObject *> &result,
+ std::function<bool(ServerActiveObject *obj)> include_obj_cb);
void getAddedActiveObjectsAroundPos(const v3f &player_pos, f32 radius,
f32 player_radius, std::set<u16> &current_objects,
diff --git a/src/serverenvironment.h b/src/serverenvironment.h
index cfd5b8f3e..c76d34a37 100644
--- a/src/serverenvironment.h
+++ b/src/serverenvironment.h
@@ -331,6 +331,13 @@ public:
{
return m_ao_manager.getObjectsInsideRadius(pos, radius, objects, include_obj_cb);
}
+
+ // Find all active objects inside a box
+ void getObjectsInArea(std::vector<ServerActiveObject *> &objects, const aabb3f &box,
+ std::function<bool(ServerActiveObject *obj)> include_obj_cb)
+ {
+ return m_ao_manager.getObjectsInArea(box, objects, include_obj_cb);
+ }
// Clear objects, loading and going through every MapBlock
void clearObjects(ClearObjectsMode mode);