first commit

src/main/java/de/winniepat/fallSMPRewards/FallSMPRewards.java

@@ -0,0 +1,40 @@
+package de.winniepat.fallSMPRewards;
+
+import de.winniepat.fallSMPRewards.command.RewardsCommand;
+import de.winniepat.fallSMPRewards.gui.RewardsGui;
+import de.winniepat.fallSMPRewards.listener.QuestListener;
+import de.winniepat.fallSMPRewards.service.QuestService;
+import de.winniepat.fallSMPRewards.storage.PlayerDataStore;
+import java.util.Objects;
+import org.bukkit.plugin.java.JavaPlugin;
+
+public final class FallSMPRewards extends JavaPlugin {
+
+    private QuestService questService;
+    private PlayerDataStore playerDataStore;
+    private RewardsGui rewardsGui;
+
+    @Override
+    public void onEnable() {
+        saveDefaultConfig();
+
+        questService = new QuestService(this);
+        questService.reload();
+
+        playerDataStore = new PlayerDataStore(this);
+        rewardsGui = new RewardsGui(this, questService, playerDataStore);
+
+        getServer().getPluginManager().registerEvents(new QuestListener(this, questService, playerDataStore, rewardsGui), this);
+        Objects.requireNonNull(getCommand("rewards"), "rewards command missing in plugin.yml").setExecutor(new RewardsCommand(this, rewardsGui, questService));
+
+        getLogger().info("Enabled with " + questService.getQuests().size() + " kill quests.");
+    }
+
+    @Override
+    public void onDisable() {
+        if (playerDataStore != null) {
+            playerDataStore.flush();
+        }
+        getLogger().info("Disabled");
+    }
+}

src/main/java/de/winniepat/fallSMPRewards/command/RewardsCommand.java

@@ -0,0 +1,59 @@
+package de.winniepat.fallSMPRewards.command;
+
+import de.winniepat.fallSMPRewards.FallSMPRewards;
+import de.winniepat.fallSMPRewards.gui.RewardsGui;
+import de.winniepat.fallSMPRewards.service.QuestService;
+import org.bukkit.ChatColor;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+public final class RewardsCommand implements CommandExecutor {
+
+    private static final String USE_PERMISSION = "fallsmprewards.use";
+    private static final String RELOAD_PERMISSION = "fallsmprewards.reload";
+
+    private final FallSMPRewards plugin;
+    private final RewardsGui rewardsGui;
+    private final QuestService questService;
+
+    public RewardsCommand(FallSMPRewards plugin, RewardsGui rewardsGui, QuestService questService) {
+        this.plugin = plugin;
+        this.rewardsGui = rewardsGui;
+        this.questService = questService;
+    }
+
+    @Override
+    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+        if (args.length > 0) {
+            if (args[0].equalsIgnoreCase("reload")) {
+                if (!sender.hasPermission(RELOAD_PERMISSION)) {
+                    sender.sendMessage(ChatColor.RED + "You do not have permission to reload this plugin.");
+                    return true;
+                }
+
+                plugin.reloadConfig();
+                questService.reload();
+                sender.sendMessage(ChatColor.GREEN + "FallSMP-Rewards config reloaded.");
+                return true;
+            }
+
+            sender.sendMessage(ChatColor.RED + "Unknown subcommand. Use /" + label + " or /" + label + " reload");
+            return true;
+        }
+
+        if (!(sender instanceof Player player)) {
+            sender.sendMessage(ChatColor.RED + "Only players can open the rewards GUI. Use /" + label + " reload from console.");
+            return true;
+        }
+
+        if (!sender.hasPermission(USE_PERMISSION)) {
+            sender.sendMessage(ChatColor.RED + "You do not have permission to use this command.");
+            return true;
+        }
+
+        rewardsGui.open(player);
+        return true;
+    }
+}

src/main/java/de/winniepat/fallSMPRewards/gui/RewardsGui.java

@@ -0,0 +1,151 @@
+package de.winniepat.fallSMPRewards.gui;
+
+import de.winniepat.fallSMPRewards.FallSMPRewards;
+import de.winniepat.fallSMPRewards.model.PlayerData;
+import de.winniepat.fallSMPRewards.model.QuestDefinition;
+import de.winniepat.fallSMPRewards.service.QuestService;
+import de.winniepat.fallSMPRewards.storage.PlayerDataStore;
+import java.util.ArrayList;
+import java.util.List;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.Material;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+
+public final class RewardsGui {
+
+    private final FallSMPRewards plugin;
+    private final QuestService questService;
+    private final PlayerDataStore playerDataStore;
+
+    public RewardsGui(FallSMPRewards plugin, QuestService questService, PlayerDataStore playerDataStore) {
+        this.plugin = plugin;
+        this.questService = questService;
+        this.playerDataStore = playerDataStore;
+    }
+
+    public void open(Player player) {
+        Inventory inventory = Bukkit.createInventory(null, 9, getTitle());
+        PlayerData data = playerDataStore.get(player.getUniqueId());
+        List<QuestDefinition> quests = questService.getQuests();
+
+        for (int slot = 0; slot < Math.min(9, quests.size()); slot++) {
+            QuestDefinition quest = quests.get(slot);
+            inventory.setItem(slot, buildQuestIcon(quest, data));
+        }
+
+        player.openInventory(inventory);
+        player.playSound(player.getLocation(), resolveSound("sounds.open", "block.chest.open"), 1f, 1f);
+    }
+
+    public boolean isRewardsInventoryTitle(String title) {
+        return getTitle().equals(title);
+    }
+
+    public boolean claim(Player player, int slot) {
+        List<QuestDefinition> quests = questService.getQuests();
+        if (slot < 0 || slot >= quests.size() || slot >= 9) {
+            return false;
+        }
+
+        QuestDefinition quest = quests.get(slot);
+        PlayerData data = playerDataStore.get(player.getUniqueId());
+        if (data.hasClaimed(quest.getId()) || data.getTotalKills() < quest.getRequiredKills()) {
+            return false;
+        }
+
+        if (!playerDataStore.claim(player.getUniqueId(), quest.getId())) {
+            return false;
+        }
+
+        for (ItemStack reward : quest.getRewards()) {
+            player.getInventory().addItem(reward).values().forEach(leftover ->
+                    player.getWorld().dropItemNaturally(player.getLocation(), leftover));
+        }
+
+        player.sendMessage(color("&aQuest reward claimed: &f" + quest.getTitle()));
+        player.playSound(player.getLocation(), resolveSound("sounds.claim", "entity.player.levelup"), 1f, 1.1f);
+        open(player);
+        return true;
+    }
+
+    private ItemStack buildQuestIcon(QuestDefinition quest, PlayerData data) {
+        boolean claimed = data.hasClaimed(quest.getId());
+        boolean claimable = !claimed && data.getTotalKills() >= quest.getRequiredKills();
+
+        Material material = claimable ? Material.CHEST_MINECART : Material.MINECART;
+        if (claimed) {
+            material = Material.BARRIER;
+        }
+
+        ItemStack item = new ItemStack(material);
+        ItemMeta meta = item.getItemMeta();
+        if (meta == null) {
+            return item;
+        }
+
+        meta.setDisplayName(quest.getTitle());
+
+        List<String> lore = new ArrayList<>();
+        lore.addAll(quest.getDescription());
+        lore.add("");
+        lore.add(color("&7Progress: &f" + Math.min(data.getTotalKills(), quest.getRequiredKills()) + "&7/&f" + quest.getRequiredKills()));
+        lore.add(color("&7Reward:"));
+        for (ItemStack reward : quest.getRewards()) {
+            lore.add(color("&f- " + reward.getAmount() + "x " + prettify(reward.getType().name())));
+        }
+        lore.add("");
+
+        if (claimed) {
+            lore.add(color("&aAlready claimed"));
+        } else if (claimable) {
+            lore.add(color("&eClick to claim!"));
+        } else {
+            lore.add(color("&cNot claimable yet"));
+        }
+
+        meta.setLore(lore);
+        item.setItemMeta(meta);
+        return item;
+    }
+
+    private String prettify(String text) {
+        String lower = text.toLowerCase().replace('_', ' ');
+        String[] parts = lower.split(" ");
+        StringBuilder builder = new StringBuilder();
+        for (String part : parts) {
+            if (part.isEmpty()) {
+                continue;
+            }
+            if (!builder.isEmpty()) {
+                builder.append(' ');
+            }
+            builder.append(Character.toUpperCase(part.charAt(0))).append(part.substring(1));
+        }
+        return builder.toString();
+    }
+
+    private String getTitle() {
+        return color(plugin.getConfig().getString("gui.title", "&6Kill Rewards"));
+    }
+
+    private String resolveSound(String path, String fallback) {
+        String configured = plugin.getConfig().getString(path, fallback);
+        if (configured == null || configured.isBlank()) {
+            return fallback;
+        }
+        String normalized = configured.trim().toLowerCase();
+        // Support old enum-style names like BLOCK_CHEST_OPEN.
+        if (!normalized.contains(".")) {
+            normalized = normalized.replace('_', '.');
+        }
+        return normalized;
+    }
+
+    private String color(String input) {
+        return ChatColor.translateAlternateColorCodes('&', input);
+    }
+}

src/main/java/de/winniepat/fallSMPRewards/listener/QuestListener.java

@@ -0,0 +1,118 @@
+package de.winniepat.fallSMPRewards.listener;
+
+import de.winniepat.fallSMPRewards.FallSMPRewards;
+import de.winniepat.fallSMPRewards.gui.RewardsGui;
+import de.winniepat.fallSMPRewards.model.PlayerData;
+import de.winniepat.fallSMPRewards.model.QuestDefinition;
+import de.winniepat.fallSMPRewards.service.QuestService;
+import de.winniepat.fallSMPRewards.storage.PlayerDataStore;
+import de.winniepat.fallSMPRewards.storage.PlayerDataStore.KillAddResult;
+import org.bukkit.ChatColor;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.entity.PlayerDeathEvent;
+import org.bukkit.event.inventory.InventoryClickEvent;
+
+public final class QuestListener implements Listener {
+
+    private final FallSMPRewards plugin;
+    private final QuestService questService;
+    private final PlayerDataStore playerDataStore;
+    private final RewardsGui rewardsGui;
+
+    public QuestListener(FallSMPRewards plugin, QuestService questService, PlayerDataStore playerDataStore, RewardsGui rewardsGui) {
+        this.plugin = plugin;
+        this.questService = questService;
+        this.playerDataStore = playerDataStore;
+        this.rewardsGui = rewardsGui;
+    }
+
+    @EventHandler
+    public void onPlayerDeath(PlayerDeathEvent event) {
+        Player victim = event.getEntity();
+        Player killer = victim.getKiller();
+        if (killer == null || killer.getUniqueId().equals(victim.getUniqueId())) {
+            return;
+        }
+
+        long cooldownMillis = getCooldownMillis();
+        KillAddResult killResult = playerDataStore.addKillWithCooldown(killer.getUniqueId(), victim.getUniqueId(), cooldownMillis);
+        if (!killResult.counted()) {
+            killer.sendMessage(color("&cThis kill does not count for rewards. Kill this player again in &f" + formatDuration(killResult.remainingCooldownMillis()) + "&c."));
+            killer.playSound(killer.getLocation(), resolveSound("sounds.denied", "block.note_block.bass"), 1f, 1f);
+            return;
+        }
+
+        int totalKills = killResult.totalKills();
+        PlayerData data = playerDataStore.get(killer.getUniqueId());
+        boolean unlocked = false;
+        for (QuestDefinition quest : questService.getQuests()) {
+            if (!data.hasClaimed(quest.getId()) && totalKills >= quest.getRequiredKills() && totalKills - 1 < quest.getRequiredKills()) {
+                killer.sendMessage(color("&6Quest ready to claim: &f" + quest.getTitle()));
+                unlocked = true;
+            }
+        }
+
+        if (unlocked) {
+            killer.playSound(killer.getLocation(), resolveSound("sounds.unlocked", "ui.toast.challenge_complete"), 1f, 1f);
+        } else {
+            killer.playSound(killer.getLocation(), resolveSound("sounds.progress", "entity.experience_orb.pickup"), 0.6f, 1.2f);
+        }
+    }
+
+    @EventHandler
+    public void onInventoryClick(InventoryClickEvent event) {
+        if (!rewardsGui.isRewardsInventoryTitle(event.getView().getTitle())) {
+            return;
+        }
+
+        event.setCancelled(true);
+        if (!(event.getWhoClicked() instanceof Player player)) {
+            return;
+        }
+
+        if (event.getClickedInventory() == null || event.getRawSlot() < 0 || event.getRawSlot() >= 9) {
+            return;
+        }
+
+        boolean claimed = rewardsGui.claim(player, event.getRawSlot());
+        if (!claimed) {
+            player.playSound(player.getLocation(), resolveSound("sounds.denied", "block.note_block.bass"), 1f, 1f);
+        }
+    }
+
+    private long getCooldownMillis() {
+        long cooldownMinutes = Math.max(1L, plugin.getConfig().getLong("kill-count-cooldown-minutes", 10L));
+        return cooldownMinutes * 60_000L;
+    }
+
+    private String formatDuration(long remainingMillis) {
+        long totalSeconds = Math.max(1L, (remainingMillis + 999L) / 1000L);
+        long minutes = totalSeconds / 60L;
+        long seconds = totalSeconds % 60L;
+        if (minutes == 0L) {
+            return seconds + "s";
+        }
+        if (seconds == 0L) {
+            return minutes + "m";
+        }
+        return minutes + "m " + seconds + "s";
+    }
+
+    private String resolveSound(String path, String fallback) {
+        String configured = plugin.getConfig().getString(path, fallback);
+        if (configured == null || configured.isBlank()) {
+            return fallback;
+        }
+        String normalized = configured.trim().toLowerCase();
+        if (!normalized.contains(".")) {
+            normalized = normalized.replace('_', '.');
+        }
+        return normalized;
+    }
+
+    private String color(String input) {
+        return ChatColor.translateAlternateColorCodes('&', input);
+    }
+}

src/main/java/de/winniepat/fallSMPRewards/model/PlayerData.java

@@ -0,0 +1,78 @@
+package de.winniepat.fallSMPRewards.model;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.UUID;
+
+public final class PlayerData {
+
+    private UUID uuid;
+    private int totalKills;
+    private Set<String> claimedQuestIds;
+    private Map<String, Long> lastCountedKillByVictim;
+
+    public PlayerData() {
+        // Required for Gson.
+    }
+
+    public PlayerData(UUID uuid) {
+        this.uuid = uuid;
+        this.totalKills = 0;
+        this.claimedQuestIds = new HashSet<>();
+        this.lastCountedKillByVictim = new HashMap<>();
+    }
+
+    public void sanitize(UUID expectedUuid) {
+        if (uuid == null) {
+            uuid = expectedUuid;
+        }
+        if (claimedQuestIds == null) {
+            claimedQuestIds = new HashSet<>();
+        }
+        if (lastCountedKillByVictim == null) {
+            lastCountedKillByVictim = new HashMap<>();
+        }
+        if (totalKills < 0) {
+            totalKills = 0;
+        }
+    }
+
+    public UUID getUuid() {
+        return uuid;
+    }
+
+    public int getTotalKills() {
+        return totalKills;
+    }
+
+    public int addKill() {
+        totalKills++;
+        return totalKills;
+    }
+
+    public long getRemainingCooldownMillis(UUID victimUuid, long cooldownMillis, long nowMillis) {
+        Long lastCountedMillis = lastCountedKillByVictim.get(victimUuid.toString());
+        if (lastCountedMillis == null) {
+            return 0L;
+        }
+        long elapsed = nowMillis - lastCountedMillis;
+        if (elapsed >= cooldownMillis) {
+            return 0L;
+        }
+        return cooldownMillis - elapsed;
+    }
+
+    public void setLastCountedKill(UUID victimUuid, long nowMillis) {
+        lastCountedKillByVictim.put(victimUuid.toString(), nowMillis);
+    }
+
+    public boolean hasClaimed(String questId) {
+        return claimedQuestIds.contains(questId);
+    }
+
+    public boolean claim(String questId) {
+        return claimedQuestIds.add(questId);
+    }
+}

src/main/java/de/winniepat/fallSMPRewards/model/QuestDefinition.java

@@ -0,0 +1,43 @@
+package de.winniepat.fallSMPRewards.model;
+
+import java.util.Collections;
+import java.util.List;
+import org.bukkit.inventory.ItemStack;
+
+public final class QuestDefinition {
+
+    private final String id;
+    private final String title;
+    private final List<String> description;
+    private final int requiredKills;
+    private final List<ItemStack> rewards;
+
+    public QuestDefinition(String id, String title, List<String> description, int requiredKills, List<ItemStack> rewards) {
+        this.id = id;
+        this.title = title;
+        this.description = List.copyOf(description);
+        this.requiredKills = requiredKills;
+        this.rewards = rewards.stream().map(ItemStack::clone).toList();
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public List<String> getDescription() {
+        return Collections.unmodifiableList(description);
+    }
+
+    public int getRequiredKills() {
+        return requiredKills;
+    }
+
+    public List<ItemStack> getRewards() {
+        return rewards.stream().map(ItemStack::clone).toList();
+    }
+}
+

src/main/java/de/winniepat/fallSMPRewards/service/QuestService.java

@@ -0,0 +1,89 @@
+package de.winniepat.fallSMPRewards.service;
+
+import de.winniepat.fallSMPRewards.FallSMPRewards;
+import de.winniepat.fallSMPRewards.model.QuestDefinition;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import org.bukkit.ChatColor;
+import org.bukkit.Material;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.inventory.ItemStack;
+
+public final class QuestService {
+
+    private final FallSMPRewards plugin;
+    private final List<QuestDefinition> quests = new ArrayList<>();
+
+    public QuestService(FallSMPRewards plugin) {
+        this.plugin = plugin;
+    }
+
+    public void reload() {
+        plugin.reloadConfig();
+        quests.clear();
+
+        ConfigurationSection questSection = plugin.getConfig().getConfigurationSection("quests");
+        if (questSection == null) {
+            plugin.getLogger().warning("No quests section found in config.yml");
+            return;
+        }
+
+        for (String questId : questSection.getKeys(false)) {
+            ConfigurationSection section = questSection.getConfigurationSection(questId);
+            if (section == null) {
+                continue;
+            }
+
+            int requiredKills = Math.max(1, section.getInt("required-kills", 1));
+            String title = color(section.getString("title", "&e" + questId));
+            List<String> description = section.getStringList("description").stream().map(this::color).toList();
+            List<ItemStack> rewards = parseRewards(section.getStringList("rewards"));
+
+            if (rewards.isEmpty()) {
+                plugin.getLogger().warning("Quest " + questId + " has no valid rewards and was skipped.");
+                continue;
+            }
+
+            quests.add(new QuestDefinition(questId, title, description, requiredKills, rewards));
+        }
+
+        if (quests.size() > 9) {
+            plugin.getLogger().warning("More than 9 quests configured. GUI shows only the first 9 quests.");
+        }
+    }
+
+    public List<QuestDefinition> getQuests() {
+        return Collections.unmodifiableList(quests);
+    }
+
+    private List<ItemStack> parseRewards(List<String> rawRewards) {
+        List<ItemStack> rewards = new ArrayList<>();
+        for (String raw : rawRewards) {
+            String[] parts = raw.split(":", 2);
+            Material material = Material.matchMaterial(parts[0].trim().toUpperCase());
+            if (material == null || material.isAir()) {
+                plugin.getLogger().warning("Invalid reward material: " + raw);
+                continue;
+            }
+
+            int amount = 1;
+            if (parts.length > 1) {
+                try {
+                    amount = Math.max(1, Integer.parseInt(parts[1].trim()));
+                } catch (NumberFormatException ex) {
+                    plugin.getLogger().warning("Invalid reward amount: " + raw);
+                    continue;
+                }
+            }
+
+            rewards.add(new ItemStack(material, amount));
+        }
+        return rewards;
+    }
+
+    private String color(String input) {
+        return ChatColor.translateAlternateColorCodes('&', input);
+    }
+}
+

src/main/java/de/winniepat/fallSMPRewards/storage/PlayerDataStore.java

@@ -0,0 +1,101 @@
+package de.winniepat.fallSMPRewards.storage;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import de.winniepat.fallSMPRewards.FallSMPRewards;
+import de.winniepat.fallSMPRewards.model.PlayerData;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
+public final class PlayerDataStore {
+
+    public record KillAddResult(boolean counted, int totalKills, long remainingCooldownMillis) {
+    }
+
+    private final FallSMPRewards plugin;
+    private final Gson gson;
+    private final Path dataDirectory;
+    private final Map<UUID, PlayerData> cache = new HashMap<>();
+
+    public PlayerDataStore(FallSMPRewards plugin) {
+        this.plugin = plugin;
+        this.gson = new GsonBuilder().setPrettyPrinting().create();
+        this.dataDirectory = plugin.getDataFolder().toPath().resolve("playerdata");
+
+        try {
+            Files.createDirectories(dataDirectory);
+        } catch (IOException ex) {
+            throw new IllegalStateException("Could not create player data directory", ex);
+        }
+    }
+
+    public PlayerData get(UUID uuid) {
+        return cache.computeIfAbsent(uuid, this::load);
+    }
+
+    public KillAddResult addKillWithCooldown(UUID killerUuid, UUID victimUuid, long cooldownMillis) {
+        PlayerData data = get(killerUuid);
+        long nowMillis = System.currentTimeMillis();
+        long remainingCooldownMillis = data.getRemainingCooldownMillis(victimUuid, cooldownMillis, nowMillis);
+        if (remainingCooldownMillis > 0L) {
+            return new KillAddResult(false, data.getTotalKills(), remainingCooldownMillis);
+        }
+
+        data.setLastCountedKill(victimUuid, nowMillis);
+        int totalKills = data.addKill();
+        save(killerUuid, data);
+        return new KillAddResult(true, totalKills, 0L);
+    }
+
+    public boolean claim(UUID uuid, String questId) {
+        PlayerData data = get(uuid);
+        boolean claimed = data.claim(questId);
+        if (claimed) {
+            save(uuid, data);
+        }
+        return claimed;
+    }
+
+    public void flush() {
+        for (Map.Entry<UUID, PlayerData> entry : cache.entrySet()) {
+            save(entry.getKey(), entry.getValue());
+        }
+    }
+
+    private PlayerData load(UUID uuid) {
+        Path file = getPath(uuid);
+        if (!Files.exists(file)) {
+            return new PlayerData(uuid);
+        }
+
+        try {
+            String json = Files.readString(file);
+            PlayerData data = gson.fromJson(json, PlayerData.class);
+            if (data == null) {
+                return new PlayerData(uuid);
+            }
+            data.sanitize(uuid);
+            return data;
+        } catch (IOException ex) {
+            plugin.getLogger().warning("Failed to read player data for " + uuid + ": " + ex.getMessage());
+            return new PlayerData(uuid);
+        }
+    }
+
+    private void save(UUID uuid, PlayerData data) {
+        try {
+            Files.writeString(getPath(uuid), gson.toJson(data));
+        } catch (IOException ex) {
+            plugin.getLogger().warning("Failed to save player data for " + uuid + ": " + ex.getMessage());
+        }
+    }
+
+    private Path getPath(UUID uuid) {
+        return dataDirectory.resolve(uuid + ".json");
+    }
+}
+