updated briefings to be shown during spawn (#31)

fixes #26

Reviewed-on: #31
Co-authored-by: dutchie031 <timrorije@gmail.com>

src/classes/configuration/StageConfig.lua

@@ -7,14 +7,16 @@
 --- @field startingStage integer
 --- @field maxMissionsPerStage integer
 --- @field AmountPreactivateStage integer
+--- @field briefingOnSpawnEnabled boolean
 local StageConfig = {};
+StageConfig.__index = StageConfig
 
 local Logger = require("classes.util.Logger")
 local _logger = Logger.new("StageConfig", Logger.LogLevel)
 
 ---comment
 ---@return StageConfig
-function StageConfig:new()
+local function new()
 
     if SpearheadConfig == nil then 
         _logger:warn("SpearheadConfig is nil, creating default SpearheadConfig")
@@ -26,22 +28,26 @@ function StageConfig:new()
         SpearheadConfig.StageConfig = {}
     end
 
-    ---@type StageConfig
-    local o = {
-        isEnabled = SpearheadConfig.StageConfig.enabled ~= false,
-        isDrawStagesEnabled = SpearheadConfig.StageConfig.drawStages ~= false,
-        isAutoStages = SpearheadConfig.StageConfig.autoStages ~= false,
-        startingStage = SpearheadConfig.StageConfig.startingStage or 1,
-        maxMissionsPerStage = SpearheadConfig.StageConfig.maxMissionStage or 10,
-        isDrawPreActivatedEnabled = SpearheadConfig.StageConfig.drawPreActivated ~= false,
-        AmountPreactivateStage = SpearheadConfig.StageConfig.preactivateStage or 1,
-    }
-    
-    setmetatable(o, { __index = self })
+    local self = setmetatable({}, StageConfig)
+    self.isEnabled = SpearheadConfig.StageConfig.enabled ~= false
+    self.isDrawStagesEnabled = SpearheadConfig.StageConfig.drawStages ~= false
+    self.isAutoStages = SpearheadConfig.StageConfig.autoStages ~= false
+    self.startingStage = SpearheadConfig.StageConfig.startingStage or 1
+    self.maxMissionsPerStage = SpearheadConfig.StageConfig.maxMissionStage or 10
+    self.isDrawPreActivatedEnabled = SpearheadConfig.StageConfig.drawPreActivated ~= false
+    self.AmountPreactivateStage = SpearheadConfig.StageConfig.preactivateStage or 1
+    self.briefingOnSpawnEnabled = SpearheadConfig.StageConfig.briefingOnSpawn ~= false
 
     _logger:info("Successfully created StageConfig Object")
 
-    return o;
+    return self;
+end
+
+local config = new();
+
+---@return StageConfig
+function StageConfig:getInstance()
+    return config
 end
 
 return StageConfig