Add metrics combinator entity, GUI, and related functionality; enhance power and production stats tracking

Greatly improved train trip perfomance by culling table after sending

Fixed formatting in many places

research-stats.lua

@@ -12,8 +12,6 @@ function ScanLabs()
     end
 end
 
-
-
 function UpdateLabs(event)
     local lab = event.entity
     if lab and lab.valid then
@@ -28,8 +26,6 @@ function RemoveLab(event)
     end
 end
 
-
-
 function GetEstimatedResearchTime()
     -- Base time in seconds for research
     local playerForce = game.forces["player"]
@@ -40,7 +36,8 @@ function GetEstimatedResearchTime()
     local researchName = currentResearch.name.."-"..currentResearch.level
     local researchTotalCost = currentResearch.research_unit_count * (currentResearch.research_unit_energy/60)
 
-    local totalSpeed = storage.totalResearchSpeed
+    --local totalSpeed = storage.totalResearchSpeed
+    local totalSpeed = GetCurrentResearchSpeed()
 
     local remainingPercentage = 1-math.min(playerForce.research_progress,1)
     local remainingUnits = remainingPercentage*researchTotalCost
@@ -81,9 +78,18 @@ function UpdateLabInfos()
     storage.totalResearchSpeed = totalSpeed
 end
 
+function GetCurrentResearchSpeed()
+    local totalResearch = 0
+    local playerForce = game.forces["player"]
+    if not playerForce then return end 
+    for _,surface in pairs(game.surfaces) do
+        totalResearch = totalResearch + playerForce.get_item_production_statistics(surface).get_flow_count({name = "science", category = "input",precision_index = defines.flow_precision_index.five_seconds})
+    end
+    return totalResearch
+end
+
 function SendResearchStats()
     if options.enableResearch == true then
-    UpdateLabInfos()
     local researchTimeInfo = GetEstimatedResearchTime()
     if researchTimeInfo then
         helpers.send_udp(udpAddress, researchTimeInfo, serverIndex)