add entities.get_all(...), .get_all_in_box(...), .get_all_in_radius(...)

res/modules/internal/stdcomp.lua

@@ -111,5 +111,16 @@ return {
                 end
             end
         end
+    end,
+    get_all = function(uids)
+        if uids == nil then
+            return entities
+        else
+            local values = {}
+            for _, uid in ipairs(uids) do
+                values[uid] = entities[uid]
+            end
+            return values
+        end
     end
 }

res/scripts/stdlib.lua

@@ -307,6 +307,17 @@ end
 
 stdcomp = require "core:internal/stdcomp"
 entities.get = stdcomp.get_Entity
+entities.get_all = function(uids)
+    if uids == nil then
+        local values = {}
+        for k,v in pairs(stdcomp.get_all()) do
+            values[k] = v
+        end
+        return values 
+    else
+        return stdcomp.get_all(uids)
+    end
+end
 
 math.randomseed(time.uptime()*1536227939)