From bc1f466d18ad98aa00a354c5d8e76c985076d3c4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Simon=20L=C3=BCbe=C3=9F?= <simon.luebess@gmail.com>
Date: Sat, 13 Aug 2022 13:47:58 +0200
Subject: [PATCH] Drag drop Texture

---
 .../src/EditWindows/ComponentEditWindow.bf    | 23 ++++++++++++++++++-
 .../src/EditWindows/ContentBrowserWindow.bf   |  6 ++++-
 GlitchyEngine/src/Content/ContentManager.bf   |  4 +++-
 3 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/GlitchyEditor/src/EditWindows/ComponentEditWindow.bf b/GlitchyEditor/src/EditWindows/ComponentEditWindow.bf
index b00f508..a7898a5 100644
--- a/GlitchyEditor/src/EditWindows/ComponentEditWindow.bf
+++ b/GlitchyEditor/src/EditWindows/ComponentEditWindow.bf
@@ -299,7 +299,28 @@ namespace GlitchyEditor.EditWindows
 
 			for (let texture in effect.Textures)
 			{
-				ImGui.Text(texture.key);
+				//ImGui.Text(texture.key);
+				ImGui.Button(texture.key);
+
+				if (ImGui.BeginDragDropTarget())
+				{
+					ImGui.Payload* payload = ImGui.AcceptDragDropPayload("CONTENT_BROWSER_ITEM");
+
+					if (payload != null)
+					{
+						Log.EngineLogger.Warning("");
+
+						StringView path = .((char8*)payload.Data, (int)payload.DataSize);
+
+						using (Texture2D newTexture = new Texture2D(path, true))
+						{
+							newTexture.SamplerState = SamplerStateManager.AnisotropicWrap;
+							material.SetTexture(texture.key, newTexture);
+						}
+					}
+
+					ImGui.EndDragDropTarget();
+				}
 			}
 
 			for (let (name, arguments) in effect.[Friend]_variableDescriptions)
diff --git a/GlitchyEditor/src/EditWindows/ContentBrowserWindow.bf b/GlitchyEditor/src/EditWindows/ContentBrowserWindow.bf
index 7be59de..d34b3ce 100644
--- a/GlitchyEditor/src/EditWindows/ContentBrowserWindow.bf
+++ b/GlitchyEditor/src/EditWindows/ContentBrowserWindow.bf
@@ -242,7 +242,11 @@ namespace GlitchyEditor.EditWindows
 			if (ImGui.BeginDragDropSource())
 			{
 				String fullpath = scope $"{_currentDirectory}{Path.DirectorySeparatorChar}{entry.Name}";
-				
+
+				// TODO: this is dirty
+				if (fullpath.StartsWith(ContentDirectory, .OrdinalIgnoreCase))
+					fullpath.Remove(0, ContentDirectory.Length);
+
 				ImGui.SetDragDropPayload("CONTENT_BROWSER_ITEM", fullpath.CStr(), (.)fullpath.Length, .Once);
 
 				ImGui.EndDragDropSource();
diff --git a/GlitchyEngine/src/Content/ContentManager.bf b/GlitchyEngine/src/Content/ContentManager.bf
index 624d4dd..f0f9f73 100644
--- a/GlitchyEngine/src/Content/ContentManager.bf
+++ b/GlitchyEngine/src/Content/ContentManager.bf
@@ -47,12 +47,14 @@ namespace GlitchyEngine.Content
 		{
 			Path.InternalCombine(outFilename, _contentRoot, filename);
 		}
-
+		
 		public Stream GetFile(String filename)
 		{
 			String fullpath = scope .(_contentRoot.Length + 1 + filename.Length);
 			GetFilePath(fullpath, filename);
 
+			Log.EngineLogger.AssertDebug(File.Exists(fullpath), "File doesn't exist!");
+
 			FileStream stream = new FileStream();
 			var result = stream.Open(fullpath, .Read, .Read);