Add GameCooker events for game files deploy and packaging

Source/Editor/Cooker/GameCooker.cpp

@@ -106,6 +106,9 @@ using namespace GameCookerImpl;
 
 Delegate<GameCooker::EventType> GameCooker::OnEvent;
 Delegate<const String&, float> GameCooker::OnProgress;
+Action GameCooker::DeployFiles;
+Action GameCooker::PostProcessFiles;
+Action GameCooker::PackageFiles;
 Delegate<HashSet<Guid>&> GameCooker::OnCollectAssets;
 
 const Char* ToString(const BuildPlatform platform)

Source/Editor/Cooker/GameCooker.h

@@ -10,17 +10,15 @@
 /// </summary>
 API_CLASS(Static, Namespace="FlaxEditor") class FLAXENGINE_API GameCooker
 {
-DECLARE_SCRIPTING_TYPE_NO_SPAWN(GameCooker);
+    DECLARE_SCRIPTING_TYPE_NO_SPAWN(GameCooker);
     friend CookingData;
 public:
-
     /// <summary>
     /// Single build step.
     /// </summary>
     class FLAXENGINE_API BuildStep
     {
     public:
-
         /// <summary>
         /// Finalizes an instance of the <see cref="BuildStep"/> class.
         /// </summary>
@@ -52,7 +50,6 @@ public:
     };
 
 public:
-
     /// <summary>
     /// Gets the current build data. Valid only during active build process.
     /// </summary>
@@ -124,6 +121,21 @@ public:
     /// </summary>
     static Delegate<const String&, float> OnProgress;
 
+    /// <summary>
+    /// Occurs when game files and data is deployed.
+    /// </summary>
+    API_EVENT() static Action DeployFiles;
+
+    /// <summary>
+    /// Occurs when game files and data are deployed and can be post-processed.
+    /// </summary>
+    API_EVENT() static Action PostProcessFiles;
+
+    /// <summary>
+    /// Occurs when game files and data are ready to be packaged. Called only if game is about to packaged, otherwise this step is skipped.
+    /// </summary>
+    API_EVENT() static Action PackageFiles;
+
     /// <summary>
     /// Occurs when building collects assets to cook.
     /// </summary>

Source/Editor/Cooker/Platform/Android/AndroidPlatformTools.cpp

@@ -5,6 +5,8 @@
 #include "AndroidPlatformTools.h"
 #include "Editor/Editor.h"
 #include "Editor/ProjectInfo.h"
+#include "Editor/Cooker/GameCooker.h"
+#include "Editor/Utilities/EditorUtilities.h"
 #include "Engine/Platform/File.h"
 #include "Engine/Platform/FileSystem.h"
 #include "Engine/Platform/Android/AndroidPlatformSettings.h"
@@ -12,7 +14,6 @@
 #include "Engine/Graphics/Textures/TextureData.h"
 #include "Engine/Core/Config/GameSettings.h"
 #include "Engine/Core/Config/BuildSettings.h"
-#include "Editor/Utilities/EditorUtilities.h"
 #include "Engine/Content/Content.h"
 #include "Engine/Content/JsonAsset.h"
 
@@ -276,6 +277,7 @@ bool AndroidPlatformTools::OnPostProcess(CookingData& data)
     {
         return false;
     }
+    GameCooker::PackageFiles();
 
     // Validate environment variables
     Dictionary<String, String> envVars;

Source/Editor/Cooker/Platform/Mac/MacPlatformTools.cpp

@@ -215,11 +215,12 @@ bool MacPlatformTools::OnPostProcess(CookingData& data)
     // TODO: sign binaries
 
     // TODO: expose event to inject custom post-processing before app packaging (eg. third-party plugins)
-
+    
     // Package application
     const auto buildSettings = BuildSettings::Get();
     if (buildSettings->SkipPackaging)
         return false;
+    GameCooker::PackageFiles();
     LOG(Info, "Building app package...");
     const String dmgPath = data.OriginalOutputPath / appName + TEXT(".dmg");
     const String dmgCommand = String::Format(TEXT("hdiutil create {0}.dmg -volname {0} -fs HFS+ -srcfolder {0}.app"), appName);

Source/Editor/Cooker/Steps/DeployDataStep.cpp

@@ -46,6 +46,7 @@ bool DeployDataStep::Perform(CookingData& data)
     // Deploy engine data for the target platform
     if (data.Tools->OnDeployBinaries(data))
         return true;
+    GameCooker::DeployFiles();
 
     // Register engine in-build assets
     data.AddRootEngineAsset(TEXT("Shaders/AtmospherePreCompute"));

Source/Editor/Cooker/Steps/PostProcessStep.cpp

@@ -5,5 +5,6 @@
 
 bool PostProcessStep::Perform(CookingData& data)
 {
+    GameCooker::PostProcessFiles();
     return data.Tools->OnPostProcess(data);
 }