DSi-based UIs: Free up box art cache when launching a title

Author: RocketRobz

romsel_dsimenutheme/arm9/source/fileBrowse.cpp

@@ -4027,13 +4027,16 @@ std::string browseForFile(const std::vector<std::string_view> extensionList) {
 						if (ms().theme == TWLSettings::EThemeHBL) {
 							currentBg = 0;
 							snd().fadeOutStream();
-						} else if (ms().theme != TWLSettings::EThemeSaturn) {
-							fadeType = false;		  // Fade to white
-							snd().fadeOutStream();
+						} else {
+							if (ms().theme != TWLSettings::EThemeSaturn) {
+								fadeType = false;		  // Fade to white
+								snd().fadeOutStream();
 
-							// Clear screen with white
-							rocketVideo_playVideo = false;
-							tex().unloadRotatingCubes();
+								// Clear screen with white
+								rocketVideo_playVideo = false;
+								tex().unloadRotatingCubes();
+							}
+							tex().unloadBoxArt();
 						}
 
 						if (ms().updateRecentlyPlayedList) {

romsel_dsimenutheme/arm9/source/graphics/ThemeTextures.cpp

@@ -1541,6 +1541,15 @@ void ThemeTextures::unloadRotatingCubes() {
 		delete[] rotatingCubesLocation;
 	}
 }
+void ThemeTextures::unloadBoxArt() {
+	if (dsiFeatures() && !ms().macroMode && ms().theme != TWLSettings::EThemeHBL && ms().consoleModel == 0 && ms().showBoxArt == 2) {
+		toncset32(boxArtCache, 0, 0x1B8000/sizeof(u32)); // Clear box art cache before freeing
+		for (int i = 0; i < 40; i++) {
+			boxArtFound[i] = false;
+		}
+		delete[] boxArtCache;
+	}
+}
 void ThemeTextures::videoSetup() {
 	logPrint("tex().videoSetup()\n");
 	//////////////////////////////////////////////////////////

romsel_dsimenutheme/arm9/source/graphics/ThemeTextures.h

@@ -98,6 +98,7 @@ class ThemeTextures
 
 	void clearTopScreen();
 	void unloadRotatingCubes();
+	void unloadBoxArt();
 	static void videoSetup();
 private:
 	void applyUserPaletteToAllGrfTextures();