adds trash folder and functionality to the project, content_manager and EditorAsset classes to use the trash folder. When assets get removed they are moved to trash instead of deleted.

docs/tasks/editor.todo

@@ -7,6 +7,7 @@ Editor:
     ✔ Implement Run Mode interface class @high @done (2/8/2022, 4:05:17 PM)
     ✔ Reference raw asset files in a "content" folder@high @done (3/3/2022, 3:15:32 PM)
     ✔ Platform independant file browsing @done (2/8/2022, 4:05:29 PM)
+    ☐ Test the Asset Trashing system @high
     ☐ Scan script files to make sure they don't overwrite globals
     ☐ Figure out how to make game asset types integrate with editor asset types @critical 
 

src/run_modes/editor/contents/content_manager.cpp

@@ -105,6 +105,13 @@ namespace lunarium { namespace editor
                 return OpRes::Fail("Invalid asset node in content_meta.json");
             }
 
+            // Check if asset is trashed
+            if (asset["Trashed"].get<bool>())
+            {
+                // Skip trashed assets
+                continue;
+            }
+
             // Load Type
             AssetType type = (AssetType)asset["Type"].get<int>();
             EditorAsset* pAsset = CreateAsset(type);
@@ -115,6 +122,9 @@ namespace lunarium { namespace editor
             }
             pAsset->mAssetDir = mpProject->GetAssetDirectory();
 
+            // If we got to this point the asset must not be trashed
+            pAsset->mIsTrashed = false;
+
             // Load ID
             pAsset->mID = asset["ID"].get<u64>();
 
@@ -168,6 +178,7 @@ namespace lunarium { namespace editor
 
             asset["Type"] = (i32)pAsset->GetType();
             asset["ID"] = pAsset->GetID();
+            asset["Trashed"] = pAsset->GetIsTrashed();
 
             // TODO: This needs to be a relative path! (Relative to the project root)
             asset["Location"] = pAsset->GetFileLocation().string().c_str();
@@ -305,6 +316,10 @@ namespace lunarium { namespace editor
             return;
         }
 
+        // Move the asset to a trash directory to prevent data loss
+        iter->second->mIsTrashed = true;
+        MoveAsset(iter->second, mpProject->GetTrashDirectory());
+
         delete iter->second;
         mAssets.erase(iter);
         Save().LogIfFailed(Editor::LogCat, "Asset was removed");

src/run_modes/editor/contents/editor_asset.cpp

@@ -11,12 +11,11 @@
 namespace lunarium { namespace editor {
 
     EditorAsset::EditorAsset(AssetType type)
-        : mType(type)
+        : mType(type), mIsTrashed(false)
     {
         
     }
 
-
     AssetType EditorAsset::GetType()
     {
         return mType;
@@ -31,5 +30,10 @@ namespace lunarium { namespace editor {
     {
         return mLocation;
     }
+    
+    bool EditorAsset::GetIsTrashed() const
+    {
+        return mIsTrashed;
+    }
 
 }}

src/run_modes/editor/contents/editor_asset.h

@@ -26,6 +26,7 @@ namespace lunarium { namespace editor
         AssetType GetType();
         uint64_t GetID();
         std::filesystem::path GetFileLocation();
+        bool GetIsTrashed() const;
 
         [[nodiscard]] virtual OpRes LoadRawFile() = 0;
         [[nodiscard]] virtual OpRes LoadFromJSON(nlohmann::json& node) = 0;
@@ -37,6 +38,7 @@ namespace lunarium { namespace editor
         AssetType mType;
         uint64_t mID;
         std::filesystem::path mLocation;
+        bool mIsTrashed;
 
         void SetLocation(std::filesystem::path path) { mLocation = path; }
 

src/run_modes/editor/panels/asset_browser.cpp

@@ -24,7 +24,7 @@ namespace editor
 {
     AssetBrowser::AssetBrowser(std::filesystem::path dir, Editor* pEditor)
         : Panel("Asset Browser", PanelDockZone::DDZ_BOTTOM, true, (ImGuiWindowFlags)ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoScrollbar),  
-            mAssetDirectory(dir), mpEditor(pEditor), mNewFolder(false), mSyncTree(false)
+            mAssetDirectory(dir), mpEditor(pEditor), mSyncTree(false)
     {
         DefinePopups();
     }
@@ -184,6 +184,8 @@ namespace editor
                     }
                 }
 
+
+                // List Assets
                 std::filesystem::path selected_final = mpEditor->GetProject()->MakeRelativeToAssets(mSelectedDir);
                 std::vector<EditorAsset *> assets;
                 ContentManager::GetInstance().GetAllAssetsInDirectory(assets, selected_final);
@@ -243,11 +245,7 @@ namespace editor
         {
             if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("EditorAsset"))
             {
-                EditorAsset* pAsset = *((EditorAsset**) payload->Data);
-                // EditorAsset* pAsset = ((EditorAsset*) payload->Data);
-                // Logger::Info(Editor::LogCat, "Dropping asset: %s - To: %s", 
-                //             pAsset->GetFileLocation().stem().string().c_str(), dir.string().c_str());
-                
+                EditorAsset* pAsset = *((EditorAsset**) payload->Data);                
                 ContentManager::GetInstance().MoveAsset(pAsset, dir / pAsset->GetFileLocation().filename());
             }
             ImGui::EndDragDropTarget();

src/run_modes/editor/panels/asset_browser.h

@@ -33,7 +33,6 @@ namespace editor
         std::filesystem::path mAssetDirectory;
         std::filesystem::path mSelectedDir;
         Editor* mpEditor;
-        bool mNewFolder;
         bool mSyncTree;
 
     private:

src/run_modes/editor/project.cpp

@@ -61,6 +61,7 @@ namespace lunarium { namespace editor
         std::filesystem::create_directory(mLocation / std::filesystem::path("engine"));
         std::filesystem::create_directory(mLocation / std::filesystem::path("contents"));
         std::filesystem::create_directory(mLocation / std::filesystem::path("contents/assets"));
+        std::filesystem::create_directory(mLocation / std::filesystem::path("contents/trash"));
 
         mpContentManager = &ContentManager::GetInstance();
         if (Failed(mpContentManager->Load(this).LogIfFailed(Editor::LogCat)))
@@ -129,6 +130,12 @@ namespace lunarium { namespace editor
         return GetContentDirectory() / "assets";
     }
 
+    
+    std::filesystem::path Project::GetTrashDirectory() const
+    {
+        return GetContentDirectory() / "trash";
+    }
+
     std::filesystem::path Project::MakeRelativeToRoot(std::filesystem::path abs_path, bool include_root) const
     {
         return MakeRelativeTo(abs_path, mLocation, include_root);

src/run_modes/editor/project.h

@@ -38,6 +38,7 @@ namespace lunarium { namespace editor
         std::filesystem::path GetRootDirectory() const;
         std::filesystem::path GetContentDirectory() const;
         std::filesystem::path GetAssetDirectory() const;
+        std::filesystem::path GetTrashDirectory() const;
 
         // Convert an absolute path to a path relative to the project root
         std::filesystem::path MakeRelativeToRoot(std::filesystem::path, bool include_root = false) const;

test2/contents/content_meta.xml

@@ -1,24 +0,0 @@
-<?xml version="1.0"?>
-<Project Name="test2.lproj">
-	<NextID ID="1" />
-	<Contents>
-		<Asset Type="1" ID="0" Location="D:\Projects\lunarium\build\Debug\test2\contents\assets\LinkToThePast1_sized.png" TileSizeWidth="16" TileSizeHeight="16" NumTilesCol="64" NumTilesRow="64" />
-	</Contents>
-</Project>
-{
-	"Project" : {
-		"Name" = "test2.lproj",
-		"NextID" = 1,
-		"Contents" : [
-		{
-			"Type" = 1,
-			"ID" = 0,
-			"Location" = "D:\Projects\lunarium\build\Debug\test2\contents\assets\LinkToThePast1_sized.png",
-			"TileSizeWidth" = 16,
-			"TileSizeHeight" = 16,
-			"NumTilesCol" = 64,
-			"NumTilesRow" = 64
-		},
-		]
-	}
-}

test2/test2.lproj

@@ -1,6 +0,0 @@
-{
-    "Project" : {
-        "Name" : "test2"
-    }
-}
-