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package com.keuin.ohmyvanillamc;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonIOException;
import com.keuin.ohmyvanillamc.config.ImmutableOmvmConfiguration;
import com.keuin.ohmyvanillamc.config.OmvmConfiguration;
import com.mojang.brigadier.Command;
import com.mojang.brigadier.CommandDispatcher;
import com.mojang.brigadier.arguments.StringArgumentType;
import com.mojang.brigadier.context.CommandContext;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import com.mojang.brigadier.suggestion.SuggestionProvider;
import com.mojang.brigadier.suggestion.Suggestions;
import com.mojang.brigadier.suggestion.SuggestionsBuilder;
import net.fabricmc.api.ModInitializer;
import net.fabricmc.fabric.api.command.v1.CommandRegistrationCallback;
import net.minecraft.server.command.CommandManager;
import net.minecraft.server.command.ServerCommandSource;
import net.minecraft.text.LiteralText;
import net.minecraft.text.Style;
import net.minecraft.util.Formatting;
import java.io.*;
import java.nio.charset.StandardCharsets;
import java.util.*;
import java.util.concurrent.CompletableFuture;
import java.util.logging.Logger;
import java.util.stream.Stream;
import static com.keuin.ohmyvanillamc.ReflectionUtils.getFieldName;
import static com.keuin.ohmyvanillamc.ReflectionUtils.setPrivateField;
public class OhMyVanillaMinecraft implements ModInitializer {
private static final Logger LOGGER = Logger.getLogger("OhMyVanillaMinecraft");
private static final OmvmConfiguration defaultConfiguration =
new ImmutableOmvmConfiguration(true, true, true, true, true, true);
private static OmvmConfiguration configuration = null;
public static OmvmConfiguration getConfiguration() {
return configuration;
}
@Override
public void onInitialize() {
// This code runs as soon as Minecraft is in a mod-load-ready state.
// However, some things (like resources) may still be uninitialized.
// Proceed with mild caution.
LOGGER.info("Loading configuration...");
// load configuration
final String fileName = "omvm.json";
final File file = new File(fileName);
if (!file.exists()) {
LOGGER.info("Configuration file does not exist! Use default configuration.");
try (FileOutputStream fileOutputStream = new FileOutputStream(file)) {
final String jsonString = (new GsonBuilder().setPrettyPrinting().create()).toJson(defaultConfiguration);
try (OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream)) {
outputStreamWriter.write(jsonString);
}
} catch (FileNotFoundException e) {
LOGGER.severe("Cannot write default configuration to file `" + fileName + "`: " + e);
} catch (IOException e) {
LOGGER.severe("Failed to write default configuration to file `" + fileName + "`: " + e);
}
} else {
try (FileInputStream fileInputStream = new FileInputStream(file)) {
try (InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, StandardCharsets.UTF_8)) {
try (BufferedReader reader = new BufferedReader(inputStreamReader)) {
configuration = (new Gson()).fromJson(reader, OmvmConfiguration.class);
}
}
} catch (IOException e) {
LOGGER.severe("Failed to read config file `" + fileName + "`: " + e);
} catch (JsonIOException e) {
LOGGER.severe("Failed to decode config json file `" + fileName + "`: " + e);
}
}
if (configuration == null) {
configuration = new OmvmConfiguration(defaultConfiguration);
}
LOGGER.info(getConfigurationString());
CommandRegistrationCallback.EVENT.register(new CommandRegistrationCallback() {
@Override
public void register(CommandDispatcher<ServerCommandSource> commandDispatcher, boolean b) {
commandDispatcher.register(CommandManager.literal("omvm").executes(new Command<ServerCommandSource>() {
@Override
public int run(CommandContext<ServerCommandSource> context) throws CommandSyntaxException {
String text = getConfigurationString();
context.getSource().sendFeedback(new LiteralText(text), false);
return 1; // 1: success, -1: fail
}
}));
}
});
String[] keys = getFieldName(configuration);
final Set<String> keySet = Collections.unmodifiableSet(new HashSet<>(Arrays.asList(keys)));
CommandRegistrationCallback.EVENT.register(new CommandRegistrationCallback() {
@Override
public void register(CommandDispatcher<ServerCommandSource> commandDispatcher, boolean b) {
commandDispatcher.register(CommandManager.literal("omvm")
.then(CommandManager.literal("set")
.then(CommandManager.argument("key", StringArgumentType.word())
.suggests(new SuggestionProvider<ServerCommandSource>() {
@Override
public CompletableFuture<Suggestions> getSuggestions(CommandContext<ServerCommandSource> context, SuggestionsBuilder builder) throws CommandSyntaxException {
String remaining = builder.getRemaining().toLowerCase(Locale.ROOT);
keySet.stream().filter(key -> key.toLowerCase().startsWith(remaining)).forEach(builder::suggest);
return builder.buildFuture();
}
})
.then(CommandManager.argument("value", StringArgumentType.word()).suggests(new SuggestionProvider<ServerCommandSource>() {
@Override
public CompletableFuture<Suggestions> getSuggestions(CommandContext<ServerCommandSource> context, SuggestionsBuilder builder) throws CommandSyntaxException {
String remaining = builder.getRemaining().toLowerCase(Locale.ROOT);
Stream.of("true", "false").filter(key -> key.toLowerCase().startsWith(remaining)).forEach(builder::suggest);
return builder.buildFuture();
}
})
.executes(new Command<ServerCommandSource>() {
@Override
public int run(CommandContext<ServerCommandSource> context) throws CommandSyntaxException {
try {
boolean previousFixSpamming = configuration.isFixEntityTrackerEntrySpamming();
String key = context.getArgument("key", String.class);
String value = context.getArgument("value", String.class);
if (!keySet.contains(key)) {
StringBuilder sb = new StringBuilder();
sb.append("Invalid key. Available keys:");
keySet.forEach(k -> sb.append("\n- ").append(k));
context.getSource().sendFeedback(new LiteralText(sb.toString())
.setStyle(Style.EMPTY.withColor(Formatting.RED)), false);
return -1;
}
if (!Arrays.asList("true", "false").contains(value)) {
context.getSource().sendFeedback(new LiteralText("Value must be `true` or `false`.")
.setStyle(Style.EMPTY.withColor(Formatting.RED)), false);
return -1;
}
setPrivateField(configuration, key, Boolean.valueOf(value));
context.getSource().sendFeedback(
new LiteralText("`" + key + "` has been temporarily set to `" + value + "`."), true
);
return 1; // 1: success, -1: fail
} catch (NoSuchFieldException | IllegalAccessException e) {
context.getSource().sendFeedback(new LiteralText("There is a bug. Tell trueKeuin.")
.setStyle(Style.EMPTY.withColor(Formatting.RED)), false);
return -1;
}
}
})
)
)));
}
});
}
private String getConfigurationString() {
return "OhMyVanillaMinecraft\n==========\n" + configuration + "\n==========\n"
+ "Force enabled tweaks:\n" + "Furnace fuel list lag fix\n" + "==========";
}
}
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