From fc0440ff8900aeb71af7ce3bc6d44464e0cca727 Mon Sep 17 00:00:00 2001
From: numzero <numzer0@yandex.ru>
Date: Sat, 8 Apr 2023 01:23:20 +0300
Subject: [PATCH] Drop IImageLoader::loadImages as only IImageLoader::loadImage
 is usable

---
 include/IImageLoader.h          | 11 ------
 source/Irrlicht/CNullDriver.cpp | 68 +++++++++++----------------------
 2 files changed, 22 insertions(+), 57 deletions(-)

diff --git a/include/IImageLoader.h b/include/IImageLoader.h
index 13eef97..61552af 100644
--- a/include/IImageLoader.h
+++ b/include/IImageLoader.h
@@ -45,17 +45,6 @@ public:
 	/** \param file File handle to check.
 	\return Pointer to newly created image, or 0 upon error. */
 	virtual IImage* loadImage(io::IReadFile* file) const = 0;
-
-	//! Creates a multiple surfaces from the file eg. whole cube map.
-	/** \param file File handle to check.
-	\param type Pointer to E_TEXTURE_TYPE where a recommended type of the texture will be stored.
-	\return Array of pointers to newly created images. */
-	virtual core::array<IImage*> loadImages(io::IReadFile* file, E_TEXTURE_TYPE* type) const
-	{
-		core::array<IImage*> image;
-
-		return image;
-	}
 };
 
 
diff --git a/source/Irrlicht/CNullDriver.cpp b/source/Irrlicht/CNullDriver.cpp
index a02431c..d3b7280 100644
--- a/source/Irrlicht/CNullDriver.cpp
+++ b/source/Irrlicht/CNullDriver.cpp
@@ -1196,57 +1196,33 @@ core::array<IImage*> CNullDriver::createImagesFromFile(io::IReadFile* file, E_TE
 
 	core::array<IImage*> imageArray;
 
-	if (file)
-	{
-		s32 i;
+	if (!file)
+		return imageArray;
 
-		// try to load file based on file extension
-		for (i = SurfaceLoader.size() - 1; i >= 0; --i)
-		{
-			if (SurfaceLoader[i]->isALoadableFileExtension(file->getFileName()))
-			{
-				// reset file position which might have changed due to previous loadImage calls
-				file->seek(0);
-				imageArray = SurfaceLoader[i]->loadImages(file, type);
+	// try to load file based on file extension
+	for (int i = SurfaceLoader.size() - 1; i >= 0; --i) {
+		if (!SurfaceLoader[i]->isALoadableFileExtension(file->getFileName()))
+			continue;
 
-				if (imageArray.size() == 0)
-				{
-					file->seek(0);
-					IImage* image = SurfaceLoader[i]->loadImage(file);
-
-					if (image)
-						imageArray.push_back(image);
-				}
-
-				if (imageArray.size() > 0)
-					return imageArray;
-			}
+		file->seek(0); // reset file position which might have changed due to previous loadImage calls
+		if (IImage *image = SurfaceLoader[i]->loadImage(file)) {
+			imageArray.push_back(image);
+			return imageArray;
 		}
+	}
 
-		// try to load file based on what is in it
-		for (i = SurfaceLoader.size() - 1; i >= 0; --i)
-		{
-			// dito
-			file->seek(0);
-			if (SurfaceLoader[i]->isALoadableFileFormat(file)
-				&& !SurfaceLoader[i]->isALoadableFileExtension(file->getFileName())	// extension was tried above already
-				)
-			{
-				file->seek(0);
-				imageArray = SurfaceLoader[i]->loadImages(file, type);
+	// try to load file based on what is in it
+	for (int i = SurfaceLoader.size() - 1; i >= 0; --i) {
+		if (SurfaceLoader[i]->isALoadableFileExtension(file->getFileName()))
+			continue; // extension was tried above already
+		file->seek(0); // dito
+		if (!SurfaceLoader[i]->isALoadableFileFormat(file))
+			continue;
 
-				if (imageArray.size() == 0)
-				{
-					file->seek(0);
-					IImage* image = SurfaceLoader[i]->loadImage(file);
-
-					if (image)
-						imageArray.push_back(image);
-				}
-
-				if (imageArray.size() > 0)
-					return imageArray;
-			}
+		file->seek(0);
+		if (IImage *image = SurfaceLoader[i]->loadImage(file)) {
+			imageArray.push_back(image);
+			return imageArray;
 		}
 	}