Feature/lanes (#40)

this fixes #35

does not close but starts work partly on #41

Reviewed-on: #40
Co-authored-by: dutchie031 <timrorije@gmail.com>

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