Merge remote-tracking branch 'origin/trunk' into 1.17

# Conflicts:
#	src/main/java/net/coderbot/iris/gui/element/ShaderPackOptionList.java
#	src/main/java/net/coderbot/iris/gui/element/ShaderPackSelectionList.java

src/main/java/net/coderbot/iris/Iris.java

@@ -1,6 +1,7 @@
 package net.coderbot.iris;
 
 import java.io.IOException;
+import java.io.OutputStream;
 import java.nio.file.FileSystem;
 import java.nio.file.FileSystemNotFoundException;
 import java.nio.file.FileSystems;
@@ -22,10 +23,14 @@
 import net.coderbot.iris.pipeline.*;
 import net.coderbot.iris.pipeline.newshader.NewWorldRenderingPipeline;
 import net.coderbot.iris.shaderpack.DimensionId;
+import net.coderbot.iris.shaderpack.OptionalBoolean;
 import net.coderbot.iris.shaderpack.ProgramSet;
 import net.coderbot.iris.shaderpack.ShaderPack;
+import net.coderbot.iris.shaderpack.option.OptionSet;
 import net.coderbot.iris.shaderpack.option.Profile;
 import net.coderbot.iris.shaderpack.discovery.ShaderpackDirectoryManager;
+import net.coderbot.iris.shaderpack.option.values.MutableOptionValues;
+import net.coderbot.iris.shaderpack.option.values.OptionValues;
 import net.fabricmc.loader.api.ModContainer;
 import net.irisshaders.iris.api.v0.IrisApi;
 import net.minecraft.ChatFormatting;
@@ -69,6 +74,9 @@ public class Iris implements ClientModInitializer {
 	private static KeyMapping shaderpackScreenKeybind;
 
 	private static final Map<String, String> shaderPackOptionQueue = new HashMap<>();
+	// Flag variable used when reloading
+	// Used in favor of queueDefaultShaderPackOptionValues() for resetting as the
+	// behavior is more concrete and therefore is more likely to repair a user's issues
 	private static boolean resetShaderPackOptions = false;
 
 	private static String IRIS_VERSION;
@@ -277,7 +285,7 @@ private static boolean loadExternalShaderpack(String name) {
 			return false;
 		}
 
-		Map<String, String> changedConfigs = loadConfigProperties(shaderPackConfigTxt)
+		Map<String, String> changedConfigs = tryReadConfigProperties(shaderPackConfigTxt)
 				.map(properties -> (Map<String, String>) (Map) properties)
 				.orElse(new HashMap<>());
 
@@ -289,12 +297,17 @@ private static boolean loadExternalShaderpack(String name) {
 		}
 		resetShaderPackOptions = false;
 
-		Properties configsToSave = new Properties();
-		configsToSave.putAll(changedConfigs);
-		saveConfigProperties(shaderPackConfigTxt, configsToSave);
-
 		try {
 			currentPack = new ShaderPack(shaderPackPath, changedConfigs);
+
+			MutableOptionValues changedConfigsValues = currentPack.getShaderPackOptions().getOptionValues().mutableCopy();
+
+			// Store changed values from those currently in use by the shader pack
+			Properties configsToSave = new Properties();
+			changedConfigsValues.getBooleanValues().forEach((k, v) -> configsToSave.setProperty(k, Boolean.toString(v)));
+			changedConfigsValues.getStringValues().forEach(configsToSave::setProperty);
+
+			tryUpdateConfigPropertiesFile(shaderPackConfigTxt, configsToSave);
 		} catch (Exception e) {
 			logger.error("Failed to load the shaderpack \"{}\"!", name);
 			logger.catching(e);
@@ -359,24 +372,37 @@ private static void setShadersDisabled() {
 		logger.info("Shaders are disabled");
 	}
 
-	private static Optional<Properties> loadConfigProperties(Path path) {
+	private static Optional<Properties> tryReadConfigProperties(Path path) {
 		Properties properties = new Properties();
 
-		try {
-			// NB: config properties are specified to be encoded with ISO-8859-1 by OptiFine,
-			//     so we don't need to do the UTF-8 workaround here.
-			properties.load(Files.newInputStream(path));
-		} catch (IOException e) {
-			// TODO: Better error handling
-			return Optional.empty();
+		if (Files.exists(path)) {
+			try {
+				// NB: config properties are specified to be encoded with ISO-8859-1 by OptiFine,
+				//     so we don't need to do the UTF-8 workaround here.
+				properties.load(Files.newInputStream(path));
+			} catch (IOException e) {
+				// TODO: Better error handling
+				return Optional.empty();
+			}
 		}
 
 		return Optional.of(properties);
 	}
 
-	private static void saveConfigProperties(Path path, Properties properties) {
+	private static void tryUpdateConfigPropertiesFile(Path path, Properties properties) {
 		try {
-			properties.store(Files.newOutputStream(path), null);
+			if (properties.isEmpty()) {
+				// Delete the file or don't create it if there are no changed configs
+				if (Files.exists(path)) {
+					Files.delete(path);
+				}
+
+				return;
+			}
+
+			try (OutputStream out = Files.newOutputStream(path)) {
+				properties.store(out, null);
+			}
 		} catch (IOException e) {
 			// TODO: Better error handling
 		}
@@ -426,6 +452,34 @@ public static void queueShaderPackOptionsFromProfile(Profile profile) {
 		getShaderPackOptionQueue().putAll(profile.optionValues);
 	}
 
+	public static void queueShaderPackOptionsFromProperties(Properties properties) {
+		queueDefaultShaderPackOptionValues();
+
+		properties.stringPropertyNames().forEach(key ->
+				getShaderPackOptionQueue().put(key, properties.getProperty(key)));
+	}
+
+	// Used in favor of resetShaderPackOptions as the aforementioned requires the pack to be reloaded
+	public static void queueDefaultShaderPackOptionValues() {
+		clearShaderPackOptionQueue();
+
+		getCurrentPack().ifPresent(pack -> {
+			OptionSet options = pack.getShaderPackOptions().getOptionSet();
+			OptionValues values = pack.getShaderPackOptions().getOptionValues();
+
+			options.getStringOptions().forEach((key, mOpt) -> {
+				if (values.getStringValue(key).isPresent()) {
+					getShaderPackOptionQueue().put(key, mOpt.getOption().getDefaultValue());
+				}
+			});
+			options.getBooleanOptions().forEach((key, mOpt) -> {
+				if (values.getBooleanValue(key) != OptionalBoolean.DEFAULT) {
+					getShaderPackOptionQueue().put(key, Boolean.toString(mOpt.getOption().getDefaultValue()));
+				}
+			});
+		});
+	}
+
 	public static void clearShaderPackOptionQueue() {
 		getShaderPackOptionQueue().clear();
 	}

src/main/java/net/coderbot/iris/gui/FileDialogUtil.java

@@ -0,0 +1,65 @@
+package net.coderbot.iris.gui;
+
+import org.jetbrains.annotations.Nullable;
+import org.lwjgl.PointerBuffer;
+import org.lwjgl.system.MemoryStack;
+import org.lwjgl.util.tinyfd.TinyFileDialogs;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Optional;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+/**
+ * Class used to make interfacing with {@link TinyFileDialogs} easier and asynchronous.
+ */
+public final class FileDialogUtil {
+	private static final ExecutorService FILE_DIALOG_EXECUTOR = Executors.newSingleThreadExecutor();
+
+	private FileDialogUtil() {}
+
+	/**
+	 * Opens an asynchronous file select dialog window.
+	 *
+	 * @param dialog Whether to open a "save" dialog or an "open" dialog
+	 * @param title The title of the dialog window
+	 * @param origin The path that the window should start at
+	 * @param filterLabel A label used to describe what file extensions are allowed and their purpose
+	 * @param filters The file extension filters used by the dialog, each formatted as {@code "*.extension"}
+	 * @return a {@link CompletableFuture} which is completed once a file is selected or the dialog is cancelled.
+	 */
+	public static CompletableFuture<Optional<Path>> fileSelectDialog(DialogType dialog, String title, @Nullable Path origin, @Nullable String filterLabel, String ... filters) {
+		CompletableFuture<Optional<Path>> future = new CompletableFuture<>();
+
+		FILE_DIALOG_EXECUTOR.submit(() -> {
+			String result = null;
+
+			try (MemoryStack stack = MemoryStack.stackPush()) {
+				PointerBuffer filterBuffer = stack.mallocPointer(filters.length);
+
+				for (String filter : filters) {
+					filterBuffer.put(stack.UTF8(filter));
+				}
+				filterBuffer.flip();
+
+				String path = origin != null ? origin.toAbsolutePath().toString() : null;
+
+				if (dialog == DialogType.SAVE) {
+					result = TinyFileDialogs.tinyfd_saveFileDialog(title, path, filterBuffer, filterLabel);
+				} else if (dialog == DialogType.OPEN) {
+					result = TinyFileDialogs.tinyfd_openFileDialog(title, path, filterBuffer, filterLabel, false);
+				}
+			}
+
+			future.complete(Optional.ofNullable(result).map(Paths::get));
+		});
+
+		return future;
+	}
+
+	public enum DialogType {
+		SAVE, OPEN
+	}
+}

src/main/java/net/coderbot/iris/gui/GuiUtil.java

@@ -169,7 +169,11 @@ public static void playButtonClickSound() {
 	public static class Icon {
 		public static final Icon SEARCH = new Icon(0, 0, 7, 8);
 		public static final Icon CLOSE = new Icon(7, 0, 5, 6);
-		public static final Icon REFRESH = new Icon(12, 0, 11, 11);
+		public static final Icon REFRESH = new Icon(12, 0, 10, 10);
+		public static final Icon EXPORT = new Icon(22, 0, 7, 8);
+		public static final Icon EXPORT_COLORED = new Icon(29, 0, 7, 8);
+		public static final Icon IMPORT = new Icon(22, 8, 7, 8);
+		public static final Icon IMPORT_COLORED = new Icon(29, 8, 7, 8);
 
 		private final int u;
 		private final int v;
@@ -199,5 +203,13 @@ public void draw(PoseStack poseStack, int x, int y) {
 			// Draw the texture to the screen
 			GuiComponent.blit(poseStack, x, y, u, v, width, height, 256, 256);
 		}
+
+		public int getWidth() {
+			return width;
+		}
+
+		public int getHeight() {
+			return height;
+		}
 	}
 }

src/main/java/net/coderbot/iris/gui/NavigationController.java

@@ -52,6 +52,10 @@ public void refresh() {
 		}
 	}
 
+	public boolean hasHistory() {
+		return this.history.size() > 0;
+	}
+
 	public void setActiveOptionList(ShaderPackOptionList optionList) {
 		this.optionList = optionList;
 	}