src/classes/persistence/Persistence.lua

@@ -33,6 +33,7 @@ do
         unitsStates = {},
         random_missions = {},
         deliveredKilos = {},
+        activeStage = nil, -- Backwards compatibility for previous version without lanes
         activeStageInStageLane = {}
     }
 
@@ -238,6 +239,21 @@ do
         Persistence._updateRequired = true
     end
 
+    ---Get the active stage as in the persistance file
+    ---@param stageLane string?
+    ---@return integer|nil
+    Persistence.GetActiveStage = function(stageLane)
+        stageLane = stageLane or "nil"
+
+        -- backwards compatibility for previous versions without stage lanes
+        if stageLane == "nil" and tables.activeStageInStageLane[stageLane] == nil then
+            tables.activeStageInStageLane[stageLane] = tables.activeStage
+            tables.activeStage = nil -- Clear the old activeStage so it's not used or confused later
+        end
+
+        return tables.activeStageInStageLane[stageLane]
+    end
+
     ---comment
     ---@param missionName string
     ---@param pickedZone string
@@ -257,13 +273,6 @@ do
         return tables.random_missions[string.lower(missionName)]
     end
 
-    ---Get the active stage as in the persistance file
-    ---@param stageLane string?
-    ---@return integer|nil
-    Persistence.GetActiveStage = function(stageLane)
-        stageLane = stageLane or "nil"
-        return tables.activeStageInStageLane[stageLane]
-    end
 
     ---comment
     ---@param zoneName string

src/classes/spearhead_db.lua

@@ -2,7 +2,7 @@ local Util =  require("classes.util.Util")
 local DcsUtil = require("classes.util.DcsUtil")
 local MissionEditorWarnings = require("classes.util.MissionEditorWarnings")
 local MizGroupsManager = require("classes.helpers.MizGroupsManager")
-local CustomDrawing = require("classes.stageClasses.drawings.CustomDrawing")
+local StageDrawing = require("classes.stageClasses.drawings.StageDrawing")
 
 
 ---@class DatabaseTables
@@ -27,7 +27,7 @@ local CustomDrawing = require("classes.stageClasses.drawings.CustomDrawing")
 ---@field MissionZoneData table<string, MissionZoneData>
 ---@field FarpZoneData table<string,FarpZoneData>
 ---@field missionCodes table<string, boolean>
----@field CustomDrawings Array<CustomDrawing>
+---@field StageDrawings Array<StageDrawing>
 
 ---@class CapRoute
 ---@field zones Array<SpearheadTriggerZone>
@@ -107,7 +107,7 @@ function Database.New(Logger)
         FarpZoneData = {},
         missionCodes = {},
         SupplyHubZones = {},
-        CustomDrawings = {}
+        StageDrawings = {}
     }
 
     Database.__index = Database
@@ -231,8 +231,10 @@ function Database.New(Logger)
                     for key, layer_object in pairs(layer.objects) do
                         if Util.startswith(layer_object.name, "drawing_", true) then
                             local object = layer_object --[[@as DrawingObject]]
-                            local customDrawing = CustomDrawing.New(object)
-                            table.insert(self._tables.CustomDrawings, customDrawing)
+                            local stageDrawing = StageDrawing.New(object)
+                            if stageDrawing then
+                                table.insert(self._tables.StageDrawings, stageDrawing)
+                            end
                         end
                     end
                 end
@@ -621,12 +623,12 @@ function Database:loadBlueSamUnits()
     end
 end
 
----@return Array<CustomDrawing>
-function Database:getCustomDrawings()
-    if self._tables.CustomDrawings == nil then
+---@return Array<StageDrawing>
+function Database:getStageDrawings()
+    if self._tables.StageDrawings == nil then
         return {}
     end
-    return self._tables.CustomDrawings
+    return self._tables.StageDrawings
 end
 
 ---Loads all units, data and briefings

src/classes/spearhead_events.lua

@@ -35,10 +35,10 @@ do
         local OnStageNumberChangedListeners = {}
         local OnStageNumberChangedHandlers = {}
         ---Add a stage zone number changed listener
-        ---@param listener OnStageChangedListener object with function OnStageNumberChanged(self, number)
+        ---@param listener OnStageChangedListener object with function OnStageNumberChanged(self, number, stageLaneIdentifier)
         SpearheadEvents.AddStageNumberChangedListener = function(listener)
             if type(listener) ~= "table" or type(listener.OnStageNumberChanged) ~= "function" then
-                warn("Event handler not of type table/object with function OnStageNumberChanged(self, number)")
+                warn("Event handler not of type table/object with function OnStageNumberChanged(self, number, stageLaneIdentifier)")
                 return
             end
             table.insert(OnStageNumberChangedListeners, listener)

src/classes/stageClasses/GlobalStageManager.lua

@@ -337,17 +337,24 @@ function GlobalStageManager:OnStageNumberChangeComplete(stageNumber, stageLaneId
 end
 
 ---@private
-function GlobalStageManager:UpdateDrawings(stageNumber)
+---@param stageNumber number
+---@param stageLaneIdentifier string?
+function GlobalStageManager:UpdateDrawings(stageNumber, stageLaneIdentifier)
     self.logger:debug("Updating custom drawings for stage number: " .. tostring(stageNumber))
-    local drawings = self.database:getCustomDrawings()
+    local drawings = self.database:getStageDrawings()
     for _, drawing in pairs(drawings) do
-        local startStage, stopStage = drawing:GetStartAndStop()
-        if stageNumber >= startStage and stageNumber < stopStage then
-            self.logger:debug("Drawing " .. drawing:GetName() .. " is active for stage number: " .. tostring(stageNumber))
-            drawing:Draw()
-        else
-            self.logger:debug("Drawing " .. drawing:GetName() .. " is not active for stage number: " .. tostring(stageNumber))
-            drawing:Remove()
+        local startStage = drawing:GetStartingStage()
+        local stopStage = drawing:GetRemoveAtStage()
+        local laneIdentifier = drawing:GetStageLaneIdentifier()
+
+        if laneIdentifier == stageLaneIdentifier then
+            if stageNumber >= startStage and stageNumber < stopStage then
+                self.logger:debug("Drawing " .. drawing:GetName() .. " is active for stage number: " .. tostring(stageNumber))
+                drawing:Draw()
+            else
+                self.logger:debug("Drawing " .. drawing:GetName() .. " is not active for stage number: " .. tostring(stageNumber))
+                drawing:Remove()
+            end
         end
     end
 end

src/classes/stageClasses/drawings/CustomDrawing.lua

@@ -1,35 +1,25 @@
-
 local DrawingHelper = require("classes.stageClasses.drawings.helper.DrawingHelper")
 local Util = require("classes.util.Util")
 local Logger = require("classes.util.Logger")
-
-
+local MissionEditorWarnings = require("classes.util.MissionEditorWarnings")
 local drawingLogger = Logger.new("CustomDrawing")
 
+
 ---@class CustomDrawing
----@field private _id integer?
----@field private _drawingObject DrawingObject
----@field private _startingStage number
----@field private _removeAtStage number
----@field private _logger Logger
+---@field protected _id integer?
+---@field protected _name string? 
+---@field protected _drawingObject DrawingObject
 local CustomDrawing = {}
 CustomDrawing.__index = CustomDrawing
 
-
+---@protected
 ---@param drawingObject DrawingObject
----@return CustomDrawing
+---@return CustomDrawing?
 function CustomDrawing.New(drawingObject)
     local self = setmetatable({}, CustomDrawing)
     self._drawingObject = drawingObject
     self._id = nil -- initiate ID as nil, when drawn it will be set to the ID returned by DrawingHelper.Draw
-    self._logger = drawingLogger
-
-    local name = drawingObject.name
-    local split = Util.split_string(name or "", "_")
-    local secondPart = split[2] or "1"
-    local splitPart = Util.split_string(secondPart, ":")
-    self._startingStage = tonumber(splitPart[1]) or 1
-    self._removeAtStage = tonumber(splitPart[2]) or math.huge
+    self._name = drawingObject.name
     return self
 end
 
@@ -95,7 +85,6 @@ function CustomDrawing.FromZone(zone, colorString, fillColorString, lineStyle, l
     end
 
     if zone.zone_type == "Polygon" then
-        
         ---@type Free
         local drawingObject = {
             mapX = 0,
@@ -110,7 +99,7 @@ function CustomDrawing.FromZone(zone, colorString, fillColorString, lineStyle, l
             fillColorString = fillColorString,
             thickness = lineThickness,
         }
-        
+
         return CustomDrawing.New(drawingObject)
     end
 end
@@ -120,25 +109,19 @@ function CustomDrawing:GetName()
     return self._drawingObject.name
 end
 
----@return number start
----@return number stop
-function CustomDrawing:GetStartAndStop()
-    return self._startingStage, self._removeAtStage
-end
-
 function CustomDrawing:Draw()
-    self._logger:debug("Drawing custom drawing with ID " .. tostring(self._id))
+    drawingLogger:debug("Drawing custom drawing with ID " .. tostring(self._id))
 
     if self._id ~= nil then
         DrawingHelper.Remove(self._id)
     end
 
-    self._id = DrawingHelper.Draw(self._drawingObject, self._logger)
+    self._id = DrawingHelper.Draw(self._drawingObject)
 end
 
 function CustomDrawing:Remove()
     if self._id ~= nil then
-        self._logger:debug("Removing custom drawing with ID " .. tostring(self._id))
+        drawingLogger:debug("Removing custom drawing with ID " .. tostring(self._id))
         DrawingHelper.Remove(self._id)
         self._id = nil
     end
@@ -149,4 +132,4 @@ function CustomDrawing:UpdateDrawingObject(updateFunc)
     self._drawingObject = updateFunc(self._drawingObject)
 end
 
-return CustomDrawing
+return CustomDrawing

src/classes/stageClasses/drawings/StageDrawing.lua

@@ -0,0 +1,93 @@
+local CustomDrawing = require("classes.stageClasses.drawings.CustomDrawing")
+local Util = require("classes.util.Util")
+local MissionEditorWarnings = require("classes.util.MissionEditorWarnings")
+---@class StageDrawing : CustomDrawing
+---@field private _startingStage number
+---@field private _removeAtStage number
+---@field private _stageLaneIdentifier string?
+local StageDrawing = {}
+StageDrawing.__index = StageDrawing
+setmetatable(StageDrawing, CustomDrawing)
+
+
+---@param drawingObject DrawingObject
+---@return StageDrawing?
+function StageDrawing.New(drawingObject)
+
+    local super = CustomDrawing.New(drawingObject)
+    if not super then
+        return nil
+    end
+    local self = setmetatable(super, StageDrawing) --[[@as StageDrawing]]
+
+    local split = Util.split_string(self._name or "", "_")
+    local secondPart = split[2] or "1"
+    local splitPart = Util.split_string(secondPart, ":")
+    if tonumber(splitPart[1]) == nil then
+        local laneIdentifier = string.sub(splitPart[1], 1, 1)
+        if tonumber(laneIdentifier) == nil then
+            self._stageLaneIdentifier = laneIdentifier
+        end
+        local startNumber = string.sub(splitPart[1], 2)
+        local startNumberVal = tonumber(startNumber)
+        if startNumberVal == nil then
+            MissionEditorWarnings.Add("Start number for " ..
+                self._name .. " is not a valid number: " .. tostring(startNumber))
+            return nil
+        end
+        self._startingStage = startNumberVal
+    else
+        local startNumber = tonumber(splitPart[1])
+        if startNumber == nil then
+            MissionEditorWarnings.Add("Start number for " ..
+                self._name .. " is not a valid number: " .. tostring(splitPart[1]))
+            return nil
+        end
+        self._startingStage = startNumber
+    end
+
+    if tonumber(splitPart[2]) == nil then
+        local laneIdentifier = string.sub(splitPart[2], 1, 1)
+        if tonumber(laneIdentifier) == nil then
+            if self._stageLaneIdentifier and self._stageLaneIdentifier ~= laneIdentifier then
+                MissionEditorWarnings.Add("Lane identifiers do not match for " ..
+                    self._name ..
+                    ": " ..
+                    self._stageLaneIdentifier ..
+                    " vs " .. laneIdentifier .. ". Will only use stage " .. self._stageLaneIdentifier)
+            end
+        end
+        local stopNumber = string.sub(splitPart[2], 2)
+        local stopNumberVal = tonumber(stopNumber)
+        if stopNumberVal == nil then
+            MissionEditorWarnings.Add("Stop number for " ..
+                self._name .. " is not a valid number: " .. tostring(stopNumber))
+            return nil
+        end
+        self._removeAtStage = stopNumberVal
+    else
+        local stopNumber = tonumber(splitPart[2])
+        if stopNumber == nil then
+            MissionEditorWarnings.Add("Stop number for " ..
+                self._name .. " is not a valid number: " .. tostring(splitPart[2]))
+            return nil
+        end
+        self._removeAtStage = stopNumber
+    end
+
+    return self
+end
+
+function StageDrawing:GetStageLaneIdentifier()
+    return self._stageLaneIdentifier
+end
+
+function StageDrawing:GetStartingStage()
+    return self._startingStage
+end
+
+function StageDrawing:GetRemoveAtStage()
+    return self._removeAtStage
+end
+
+return StageDrawing