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package cc.polyfrost.oneconfig.config;
import cc.polyfrost.oneconfig.internal.config.annotations.Option;
import cc.polyfrost.oneconfig.config.core.ConfigUtils;
import cc.polyfrost.oneconfig.internal.config.core.ConfigCore;
import cc.polyfrost.oneconfig.config.data.*;
import cc.polyfrost.oneconfig.config.elements.BasicOption;
import cc.polyfrost.oneconfig.config.elements.OptionPage;
import cc.polyfrost.oneconfig.config.profiles.Profiles;
import cc.polyfrost.oneconfig.gui.OneConfigGui;
import cc.polyfrost.oneconfig.gui.pages.ModConfigPage;
import cc.polyfrost.oneconfig.utils.gui.GuiUtils;
import com.google.gson.*;
import java.io.*;
import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.*;
import java.util.function.Supplier;
public class Config {
public final transient HashMap<String, BasicOption> optionNames = new HashMap<>();
transient protected final String configFile;
transient protected final Gson gson = new GsonBuilder().excludeFieldsWithModifiers(Modifier.TRANSIENT).setPrettyPrinting().create();
transient public Mod mod;
public transient boolean hasBeenInitialized = false;
public boolean enabled = true;
/**
* @param modData information about the mod
* @param configFile file where config is stored
*/
public Config(Mod modData, String configFile) {
this.configFile = configFile;
init(modData);
}
public void init(Mod mod) {
boolean migrate = false;
if (Profiles.getProfileFile(configFile).exists()) load();
else if (!hasBeenInitialized && mod.migrator != null) migrate = true;
else save();
mod.config = this;
generateOptionList(this, mod.defaultPage, mod, migrate);
if (migrate) save();
ConfigCore.oneConfigMods.add(mod);
this.mod = mod;
hasBeenInitialized = true;
}
/**
* Save current config to file
*/
public void save() {
try (BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(Files.newOutputStream(Profiles.getProfileFile(configFile).toPath()), StandardCharsets.UTF_8))) {
writer.write(gson.toJson(this));
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Load file and overwrite current values
*/
public void load() {
try (BufferedReader reader = new BufferedReader(new InputStreamReader(Files.newInputStream(Profiles.getProfileFile(configFile).toPath()), StandardCharsets.UTF_8))) {
deserializePart(new JsonParser().parse(reader).getAsJsonObject(), this);
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Generate the option list, for internal use only
*
* @param instance instance of target class
* @param page page to add options too
* @param mod data about the mod
* @param migrate whether the migrator should be run
*/
protected void generateOptionList(Object instance, OptionPage page, Mod mod, boolean migrate) {
for (Field field : instance.getClass().getDeclaredFields()) {
Option option = ConfigUtils.findAnnotation(field, Option.class);
if (option != null)
ConfigUtils.addOptionToPage(page, option, field, instance, migrate ? mod.migrator : null);
// TODO: Make dependencies work, pages, hud
}
}
/**
* Overwrite this method to add your own custom option types
*
* @param field target field
* @param page page to add options too
*/
protected void processCustomOption(Field field, OptionPage page) {
}
/**
* Deserialize part of config and load values
*
* @param json json to deserialize
* @param instance instance of target class
*/
protected void deserializePart(JsonObject json, Object instance) {
Class<?> clazz = instance.getClass();
for (Map.Entry<String, JsonElement> element : json.entrySet()) {
String name = element.getKey();
JsonElement value = element.getValue();
if (value.isJsonObject()) {
Optional<Class<?>> innerClass = Arrays.stream(clazz.getClasses()).filter(aClass -> aClass.getSimpleName().equals(name)).findFirst();
if (innerClass.isPresent()) {
deserializePart(value.getAsJsonObject(), innerClass.get());
continue;
}
}
try {
Field field = clazz.getField(name);
TypeAdapter<?> adapter = gson.getAdapter(field.getType());
Object object = adapter.fromJsonTree(value);
field.setAccessible(true);
field.set(instance, object);
} catch (Exception ignored) {
}
}
}
/**
* Function to open the gui of this mod
*/
public void openGui() {
if (mod == null) return;
GuiUtils.displayScreen(new OneConfigGui(new ModConfigPage(mod.defaultPage)));
}
/**
* Disable an option if a certain condition is not met
*
* @param option The name of the field, or if the field is in a page "pageName.fieldName"
* @param condition The condition that has to be met for the option to be enabled
*/
protected void addDependency(String option, Supplier<Boolean> condition) {
if (!optionNames.containsKey(option)) return;
optionNames.get(option).addDependency(condition);
}
}
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