efibs / mc-lasertag-mod

import de.pewpewproject.lasertag.LasertagMod;

import de.pewpewproject.lasertag.lasertaggame.gamemode.GameMode;

import de.pewpewproject.lasertag.lasertaggame.gamemode.GameModes;

import de.pewpewproject.lasertag.lasertaggame.state.management.server.synced.IGameModeManager;

import de.pewpewproject.lasertag.lasertaggame.state.management.server.synced.ISettingsManager;

import de.pewpewproject.lasertag.lasertaggame.state.synced.implementation.GameModeState;

import de.pewpewproject.lasertag.networking.NetworkingConstants;

import de.pewpewproject.lasertag.networking.server.ServerEventSending;

import io.netty.buffer.Unpooled;

import net.minecraft.network.PacketByteBuf;

import net.minecraft.server.MinecraftServer;

import java.io.IOException;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.StandardOpenOption;

/**

 * Implementation of the IGameModeManager for the lasertag game

 *

 * @author Étienne Muser

 */

public class GameModeManager implements IGameModeManager {

    private final GameModeState gameModeState;

    private ISettingsManager settingsManager;

    private final MinecraftServer server;

    // Get path to lasertag game mode file

    private static final Path lasertagGameModeFilePath = LasertagMod.configFolderPath.resolve("lasertagGameMode.ltg");

    public GameModeManager(GameModeState gameModeState, MinecraftServer server) {

        this.gameModeState = gameModeState;

        this.server = server;

        if (Files.exists(lasertagGameModeFilePath)) {

            try {

                // Read the game mode file

                gameModeState.currentGameModeTranslatableName = Files.readString(lasertagGameModeFilePath);

            } catch (IOException e) {

                LasertagMod.LOGGER.warn("Reading of lasertag game mode file failed: " + e.getMessage());

            }

        } else {

            try {

                // Write to the file

                Files.writeString(lasertagGameModeFilePath, gameModeState.currentGameModeTranslatableName, StandardOpenOption.CREATE);

            } catch (IOException ex) {

                LasertagMod.LOGGER.warn("Creation of new lasertag game mode file in '" + lasertagGameModeFilePath + "' failed: " + ex.getMessage());

            }

        }

    }

    @Override

    public void setGameMode(GameMode newGameMode) {

        gameModeState.currentGameModeTranslatableName = newGameMode.getTranslatableName();

        persist(newGameMode);

        sync(newGameMode);

        settingsManager.reset();

    }

    @Override

    public GameMode getGameMode() {

        return GameModes.GAME_MODES.get(gameModeState.currentGameModeTranslatableName);

    }

    private void persist(GameMode newGameMode) {

        try {

            Files.createDirectories(lasertagGameModeFilePath.getParent());

            Files.writeString(lasertagGameModeFilePath, newGameMode.getTranslatableName(), StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.CREATE);

        } catch (IOException ex) {

            LasertagMod.LOGGER.warn("Failed to persist lasertag game mode: " + ex.getMessage());

        }

    }

    private void sync(GameMode newGameMode) {

        // Create packet

        var buf = new PacketByteBuf(Unpooled.buffer());

        buf.writeString(newGameMode.getTranslatableName());

        ServerEventSending.sendToEveryone(server, NetworkingConstants.GAME_MODE_SYNC, buf);

    }

}