API for getting objects inside one node.

mods/nc_api/util_misc.lua

@@ -403,3 +403,14 @@ end
 function nodecore.near_unloaded(pos, radius)
 	return minetest.find_node_near(pos, radius or 1, {"ignore"}, true)
 end
+
+function nodecore.get_objects_at_pos(pos)
+	pos = vector.round(pos)
+	local t = {}
+	for _, obj in pairs(minetest.get_objects_inside_radius(pos, 0.866025403784)) do
+		if vector.equals(vector.round(obj:get_pos()), pos) then
+			t[#t + 1] = obj
+		end
+	end
+	return t
+end

mods/nc_api_ents/api.lua

@@ -104,12 +104,10 @@ function nodecore.entity_settle_check(on_settle, isnode)
 		if not on_settle(self, pos, collides) then return end
 
 		pos.y = pos.y + 1
-		for _, obj in pairs(minetest.get_objects_inside_radius(pos, 2)) do
-			if vector.equals(vector.round(obj:get_pos()), pos) then
-				obj = obj.get_luaentity and obj:get_luaentity()
-				if obj and obj.settle_check then
-					obj:settle_check()
-				end
+		for _, obj in pairs(nodecore.get_objects_at_pos(pos)) do
+			obj = obj.get_luaentity and obj:get_luaentity()
+			if obj and obj.settle_check then
+				obj:settle_check()
 			end
 		end
 

mods/nc_api_ents/item_merge.lua

@@ -16,26 +16,24 @@ function nodecore.item_ent_merge(pos)
 	cache[hash] = (t or nodecore.gametime) + 0.75 + 0.5 * math_random()
 
 	local db = {}
-	for _, obj in pairs(minetest.get_objects_inside_radius(pos, 1)) do
-		if vector.equals(vector.round(obj:get_pos()), pos) then
-			local lua = obj.get_luaentity and obj:get_luaentity()
-			if lua and lua.name == "__builtin:item" then
-				local stack = ItemStack(lua.itemstring or "")
-				if not stack:is_empty() then
-					local qty = stack:get_count()
-					stack:set_count(1)
-					local key = stack:to_string()
-					local entry = db[key]
-					if entry then
-						entry.qty = entry.qty + qty
-						entry.objs[#entry.objs + 1] = {obj = obj, lua = lua}
-					else
-						db[key] = {
-							stack = stack,
-							qty = qty,
-							objs = {{obj = obj, lua = lua}}
-						}
-					end
+	for _, obj in pairs(nodecore.get_objects_at_pos(pos, 1)) do
+		local lua = obj.get_luaentity and obj:get_luaentity()
+		if lua and lua.name == "__builtin:item" then
+			local stack = ItemStack(lua.itemstring or "")
+			if not stack:is_empty() then
+				local qty = stack:get_count()
+				stack:set_count(1)
+				local key = stack:to_string()
+				local entry = db[key]
+				if entry then
+					entry.qty = entry.qty + qty
+					entry.objs[#entry.objs + 1] = {obj = obj, lua = lua}
+				else
+					db[key] = {
+						stack = stack,
+						qty = qty,
+						objs = {{obj = obj, lua = lua}}
+					}
 				end
 			end
 		end

mods/nc_api_visinv/init.lua

@@ -51,7 +51,7 @@ function nodecore.visinv_update_ents(pos, node)
 	local max = def.groups and def.groups.visinv and 1 or 0
 
 	local found = {}
-	for _, v in pairs(minetest.get_objects_inside_radius(pos, 0.5)) do
+	for _, v in pairs(nodecore.get_objects_at_pos(pos)) do
 		if v and v.get_luaentity and v:get_luaentity()
 		and v:get_luaentity().is_stack then
 			found[#found + 1] = v