From 4beebd08fd9d04166dbe3a42a882989aee5ba675 Mon Sep 17 00:00:00 2001
From: Oliver Bevan <oliverbevan23@gmail.com>
Date: Sat, 12 Oct 2024 20:48:51 +0100
Subject: [PATCH] Fix PNG export for empty RWTX assets #53

Fixes #53
---
 .../ArchiveEditor/ArchiveEditorFunctions_Textures.cs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/IndustrialPark/ArchiveEditor/ArchiveEditorFunctions_Textures.cs b/IndustrialPark/ArchiveEditor/ArchiveEditorFunctions_Textures.cs
index 11389679..c1fad92e 100644
--- a/IndustrialPark/ArchiveEditor/ArchiveEditorFunctions_Textures.cs
+++ b/IndustrialPark/ArchiveEditor/ArchiveEditorFunctions_Textures.cs
@@ -340,7 +340,17 @@ public Dictionary<string, Bitmap> GetTexturesAsBitmaps(string[] textureNames)
 
             foreach (AssetRWTX RWTX in GetAllAssets().OfType<AssetRWTX>())
             {
-                foreach (TextureNative_0015 texture in ((TextureDictionary_0016)ReadFileMethods.ReadRenderWareFile(RWTX.Data)[0]).textureNativeList)
+                var data = RWTX.Data;
+                
+                // Some RWTX files seem to have no data, causing a crash when exporting as PNG
+                // e.g. bubble_wand.RW3 in JF01.hop
+                if (data.Length == 0)
+                    continue;
+                
+                var textureDictionary = ReadFileMethods.ReadRenderWareFile(data)[0] as TextureDictionary_0016;
+                var texNativeList = textureDictionary.textureNativeList;
+                
+                foreach (TextureNative_0015 texture in texNativeList)
                 {
                     texture.textureNativeStruct.textureName = RWTX.assetName;
                     textures.Add(texture);