Merge pull request #38 from linuxgurugamer/main

Nullref fix and memory leak fix

CHANGELOG.md

@@ -8,6 +8,12 @@ All notable changes to this project will be documented in this file
 | website | https://forum.kerbalspaceprogram.com/index.php?/topic/194802-18-111-conformal-decals |
 | author  | Andrew Cassidy                                                                       |
 
+
+## 0.2.11 - Unreleased, changes submitted by Linuxgurugamer
+	Fixed nullref caused when an entry in _targets was null
+	Fixed memory leak caused by the OnDestroy() methods not being called due to them being virtual
+
+
 ## 0.2.10 - 2022-03-14
 
 ### Fixed

Source/ConformalDecals/ModuleConformalDecal.cs

@@ -283,7 +283,7 @@ namespace ConformalDecals {
             }
         }
 
-        public virtual void OnDestroy() {
+        public void OnDestroy() {
             // remove GameEvents
             if (HighLogic.LoadedSceneIsEditor) {
                 GameEvents.onEditorPartEvent.Remove(OnEditorEvent);
@@ -440,6 +440,7 @@ namespace ConformalDecals {
 
                 // update projection
                 foreach (var target in _targets) {
+                    if (target != null) 
                         target.Project(_orthoMatrix, decalProjectorTransform, _boundsRenderer.bounds, useBaseNormal);
                 }
             }
@@ -577,6 +578,7 @@ namespace ConformalDecals {
 
             // render on each target object
             foreach (var target in _targets) {
+                if (target != null)
                     target.Render(_decalMaterial, part.mpb, camera);
             }
         }

Source/ConformalDecals/ModuleConformalFlag.cs

@@ -48,13 +48,11 @@ namespace ConformalDecals {
             UpdateFlag();
         }
 
-        public override void OnDestroy() {
+        public  void OnDestroy() {
             if (HighLogic.LoadedSceneIsEditor) {
                 // Unregister flag change event
                 GameEvents.onMissionFlagSelect.Remove(OnEditorFlagSelected);
             }
-            
-            base.OnDestroy();
                     }
 
         [KSPEvent(guiActive = false, guiActiveEditor = true, guiName = "#LOC_ConformalDecals_gui-select-flag")]

Source/ConformalDecals/ModuleConformalText.cs

@@ -220,15 +220,13 @@ namespace ConformalDecals {
             }
         }
 
-        public override void OnDestroy() {
+        public void OnDestroy() {
             if (HighLogic.LoadedSceneIsGame && _currentText != null) TextRenderer.UnregisterText(_currentText);
 
             // close all UIs
             if (_textEntryController != null) _textEntryController.Close();
             if (_fillColorPickerController != null) _fillColorPickerController.Close();
             if (_outlineColorPickerController != null) _outlineColorPickerController.Close();
-
-            base.OnDestroy();
         }
 
         protected override void OnDetach() {