add file sync

build.gradle

@@ -9,11 +9,20 @@ base {
     archivesName = project.archives_base_name
 }
 
+repositories {
+    maven {
+        name = "Terraformers"
+        url = "https://maven.terraformersmc.com/"
+    }
+}
+
 dependencies {
     minecraft "com.mojang:minecraft:${project.minecraft_version}"
     mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
     modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
     modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
+
+    modImplementation("com.terraformersmc:modmenu:16.0.0-rc.1")
 }
 
 processResources {

src/main/java/com/kasetoatz/dumbassconfig/DumbassConfig.java

@@ -1,10 +1,19 @@
 package com.kasetoatz.dumbassconfig;
 
-import com.kasetoatz.dumbassconfig.options.Option;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonObject;
+import com.kasetoatz.dumbassconfig.options.AbstractOption;
 import com.kasetoatz.dumbassconfig.ui.ConfigScreen;
+import net.fabricmc.loader.api.FabricLoader;
 import net.minecraft.client.gui.screen.Screen;
 import net.minecraft.text.Text;
+import net.minecraft.util.crash.CrashException;
+import net.minecraft.util.crash.CrashReport;
 
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.ArrayList;
 
 public class DumbassConfig
@@ -24,8 +33,15 @@ public class DumbassConfig
     public static int BACKGROUND_COLOR_1 = 0x50555555;
     public static int BACKGROUND_COLOR_2 = 0x50333333;
 
-    private final ArrayList<Option<?>> options = new ArrayList<>();
+    private final ArrayList<AbstractOption<?>> options = new ArrayList<>();
     private ConfigScreen ui;
+    private final Path file;
+    private final Gson gson = new GsonBuilder().setPrettyPrinting().create();
+
+    private DumbassConfig(String filename)
+    {
+        this.file = FabricLoader.getInstance().getConfigDir().resolve(filename.endsWith(".json") ? filename : filename + ".json");
+    }
 
     public Screen getUI(Screen parent)
     {
@@ -33,9 +49,52 @@ public class DumbassConfig
         return this.ui;
     }
 
-    public static Builder builder(Text uiTitle)
+    private void load()
     {
-        return new Builder(uiTitle);
+        if (!Files.exists(this.file))
+        {
+            this.save();
+            return;
+        }
+        try
+        {
+            String json = Files.readString(this.file);
+            JsonObject data = this.gson.fromJson(json, JsonObject.class);
+            for (AbstractOption<?> option : this.options)
+            {
+                if (data.has(option.getKey()))
+                {
+                    option.fromJson(data.get(option.getKey()));
+                }
+            }
+            this.save();
+        }
+        catch (IOException exc)
+        {
+            throw new CrashException(CrashReport.create(exc, "Loading config file."));
+        }
+    }
+
+    public void save()
+    {
+        try
+        {
+            JsonObject data = new JsonObject();
+            for (AbstractOption<?> option : this.options)
+            {
+                data.add(option.getKey(), this.gson.toJsonTree(option.getValue()));
+            }
+            Files.writeString(this.file, this.gson.toJson(data));
+        }
+        catch (IOException exc)
+        {
+            throw new CrashException(CrashReport.create(exc, "Saving config file."));
+        }
+    }
+
+    public static Builder builder(Text uiTitle, String filename)
+    {
+        return new Builder(uiTitle, filename);
     }
 
     public static class Builder
@@ -43,13 +102,13 @@ public class DumbassConfig
         private final DumbassConfig config;
         private final Text uiTitle;
 
-        private Builder(Text uiTitle)
+        private Builder(Text uiTitle, String filename)
         {
-            this.config = new DumbassConfig();
+            this.config = new DumbassConfig(filename);
             this.uiTitle = uiTitle;
         }
 
-        public Builder withOption(Option<?> option)
+        public Builder withOption(AbstractOption<?> option)
         {
             this.config.options.add(option);
             return this;
@@ -57,7 +116,9 @@ public class DumbassConfig
 
         public DumbassConfig build()
         {
+            this.config.load();
             this.config.ui = new ConfigScreen(uiTitle, this.config.options);
+            this.config.ui.setSaveCallback(this.config::save);
             return this.config;
         }
     }

src/main/java/com/kasetoatz/dumbassconfig/Test.java

@@ -0,0 +1,23 @@
+package com.kasetoatz.dumbassconfig;
+
+import com.kasetoatz.dumbassconfig.options.BoolOption;
+import com.kasetoatz.dumbassconfig.options.FloatOption;
+import com.terraformersmc.modmenu.api.ConfigScreenFactory;
+import com.terraformersmc.modmenu.api.ModMenuApi;
+import net.minecraft.text.Text;
+
+public class Test implements ModMenuApi
+{
+    public static final BoolOption TEST_BOOL_OPT = new BoolOption("TEST", "test_bool_opt", false);
+    public static final FloatOption TEST_FLOAT_OPT = new FloatOption("TEST", "test_float_opt", 1.F);
+    DumbassConfig config = DumbassConfig.builder(Text.literal("Test Screen"), "test.json")
+            .withOption(TEST_BOOL_OPT)
+            .withOption(TEST_FLOAT_OPT)
+            .build();
+
+    @Override
+    public ConfigScreenFactory<?> getModConfigScreenFactory()
+    {
+        return config::getUI;
+    }
+}

src/main/java/com/kasetoatz/dumbassconfig/options/AbstractButtonOption.java

@@ -3,9 +3,9 @@ package com.kasetoatz.dumbassconfig.options;
 import net.minecraft.client.gui.widget.ButtonWidget;
 import net.minecraft.text.Text;
 
-public abstract class ButtonOption<T> extends Option<T>
+public abstract class AbstractButtonOption<T> extends AbstractOption<T>
 {
-    public ButtonOption(String text, String key, T defaultValue)
+    public AbstractButtonOption(String text, String key, T defaultValue)
     {
         super(text, key, defaultValue);
     }

src/main/java/com/kasetoatz/dumbassconfig/options/AbstractInputOption.java

@@ -8,18 +8,18 @@ import net.minecraft.text.Text;
 import static com.kasetoatz.dumbassconfig.DumbassConfig.INVALID_INPUT_COLOR;
 import static com.kasetoatz.dumbassconfig.DumbassConfig.VALID_INPUT_COLOR;
 
-public abstract class InputOption<T> extends Option<T>
+public abstract class AbstractInputOption<T> extends AbstractOption<T>
 {
     public InputField textField;
     private Validator<T> validator;
 
-    public InputOption(String text, String key, T defaultValue, Validator<T> validator)
+    public AbstractInputOption(String text, String key, T defaultValue, Validator<T> validator)
     {
         super(text, key, defaultValue);
         this.validator = validator;
     }
 
-    public InputOption(String text, String key, T defaultValue)
+    public AbstractInputOption(String text, String key, T defaultValue)
     {
         super(text, key, defaultValue);
     }

src/main/java/com/kasetoatz/dumbassconfig/options/AbstractOption.java

@@ -1,15 +1,16 @@
 package com.kasetoatz.dumbassconfig.options;
 
+import com.google.gson.JsonElement;
 import net.minecraft.text.Text;
 
-public abstract class Option<T>
+public abstract class AbstractOption<T>
 {
     private final Text text;
     private final String key;
     private final T defaultValue;
     private T value;
 
-    public Option(String text, String key, T defaultValue)
+    public AbstractOption(String text, String key, T defaultValue)
     {
         this.text = Text.of(text);
         this.key = key;
@@ -41,4 +42,6 @@ public abstract class Option<T>
     {
         this.value = value;
     }
+
+    public abstract void fromJson(JsonElement element);
 }

src/main/java/com/kasetoatz/dumbassconfig/options/BoolOption.java

@@ -1,12 +1,13 @@
 package com.kasetoatz.dumbassconfig.options;
 
+import com.google.gson.JsonElement;
 import net.minecraft.client.gui.widget.ButtonWidget;
 import net.minecraft.text.Text;
 
 import static com.kasetoatz.dumbassconfig.DumbassConfig.BOOLEAN_FALSE_COLOR;
 import static com.kasetoatz.dumbassconfig.DumbassConfig.BOOLEAN_TRUE_COLOR;
 
-public class BoolOption extends ButtonOption<Boolean>
+public class BoolOption extends AbstractButtonOption<Boolean>
 {
     public BoolOption(String text, String key, boolean defaultValue)
     {
@@ -25,4 +26,10 @@ public class BoolOption extends ButtonOption<Boolean>
         this.setValue(!this.getValue());
         button.setMessage(this.getButtonText());
     }
+
+    @Override
+    public void fromJson(JsonElement element)
+    {
+        this.setValue(element.getAsBoolean());
+    }
 }

src/main/java/com/kasetoatz/dumbassconfig/options/FloatOption.java

@@ -1,8 +1,9 @@
 package com.kasetoatz.dumbassconfig.options;
 
+import com.google.gson.JsonElement;
 import com.kasetoatz.dumbassconfig.options.validators.Validator;
 
-public class FloatOption extends InputOption<Float>
+public class FloatOption extends AbstractInputOption<Float>
 {
     public FloatOption(String text, String key, Float defaultValue, Validator<Float> validator)
     {
@@ -37,4 +38,10 @@ public class FloatOption extends InputOption<Float>
     {
         this.onChange((text.isEmpty() || text.equals(".") || text.equals("-")) ? 0.F : Float.parseFloat(text));
     }
+
+    @Override
+    public void fromJson(JsonElement element)
+    {
+        this.setValue(element.getAsFloat());
+    }
 }

src/main/java/com/kasetoatz/dumbassconfig/ui/ConfigEntryList.java

@@ -1,8 +1,8 @@
 package com.kasetoatz.dumbassconfig.ui;
 
-import com.kasetoatz.dumbassconfig.options.ButtonOption;
+import com.kasetoatz.dumbassconfig.options.AbstractButtonOption;
-import com.kasetoatz.dumbassconfig.options.InputOption;
+import com.kasetoatz.dumbassconfig.options.AbstractInputOption;
-import com.kasetoatz.dumbassconfig.options.Option;
+import com.kasetoatz.dumbassconfig.options.AbstractOption;
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.gui.DrawContext;
 import net.minecraft.client.gui.widget.*;
@@ -51,15 +51,15 @@ public class ConfigEntryList extends ElementListWidget<ConfigEntry>
         super.renderWidget(context, mouseX, mouseY, delta);
     }
 
-    public void add(Option<?> option)
+    public void add(AbstractOption<?> option)
     {
         ConfigEntry entry = new ConfigEntry();
         entry.add(new TextWidget(option.getText(), this.client.textRenderer));
-        if (option instanceof ButtonOption<?> buttonOption)
+        if (option instanceof AbstractButtonOption<?> buttonOption)
         {
             entry.add(ButtonWidget.builder(buttonOption.getButtonText(), buttonOption::onClick).build());
         }
-        else if (option instanceof InputOption<?> inputOption)
+        else if (option instanceof AbstractInputOption<?> inputOption)
         {
             inputOption.textField = new InputField(this.client.textRenderer, inputOption.getText());
             inputOption.textField.setText(inputOption.getValue().toString());

src/main/java/com/kasetoatz/dumbassconfig/ui/ConfigScreen.java

@@ -1,6 +1,6 @@
 package com.kasetoatz.dumbassconfig.ui;
 
-import com.kasetoatz.dumbassconfig.options.Option;
+import com.kasetoatz.dumbassconfig.options.AbstractOption;
 import net.minecraft.client.gui.screen.Screen;
 import net.minecraft.client.gui.widget.ButtonWidget;
 import net.minecraft.client.gui.widget.ThreePartsLayoutWidget;
@@ -15,11 +15,12 @@ import static com.kasetoatz.dumbassconfig.DumbassConfig.ENTRY_HEIGHT;
 public class ConfigScreen extends Screen
 {
     private Screen parent;
-    private final List<Option<?>> options;
+    private final List<AbstractOption<?>> options;
     private final ThreePartsLayoutWidget layout = new ThreePartsLayoutWidget(this);
     private ConfigEntryList body;
+    private Runnable saveCallback;
 
-    public ConfigScreen(Text title, List<Option<?>> options)
+    public ConfigScreen(Text title, List<AbstractOption<?>> options)
     {
         super(title);
         this.options = options;
@@ -30,12 +31,17 @@ public class ConfigScreen extends Screen
         this.parent = parent;
     }
 
+    public void setSaveCallback(Runnable callback)
+    {
+        this.saveCallback = callback;
+    }
+
     @Override
     protected void init()
     {
         this.layout.addHeader(this.title, this.textRenderer);
         this.body = new ConfigEntryList(this.client, this.layout.getWidth(), this.layout.getContentHeight(), this.layout.getHeaderHeight(), ENTRY_HEIGHT);
-        for (Option<?> option : this.options)
+        for (AbstractOption<?> option : this.options)
         {
             this.body.add(option);
         }
@@ -58,6 +64,7 @@ public class ConfigScreen extends Screen
     @Override
     public void close()
     {
+        this.saveCallback.run();
         if (this.client != null)
         {
             this.client.setScreen(this.parent);

src/main/resources/fabric.mod.json

@@ -9,6 +9,11 @@
   "license": "MIT",
   "icon": "icon.png",
   "environment": "client",
+  "entrypoints": {
+    "modmenu": [
+      "com.kasetoatz.dumbassconfig.Test"
+    ]
+  },
   "depends": {
     "fabricloader": ">=${loader_version}",
     "fabric": "*",