🎉 Initial Commit

src/main/java/org/example/firstplugin/Main.java

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+package org.example.firstplugin;
+
+import net.kyori.adventure.text.Component;
+import org.bukkit.Bukkit;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerMoveEvent;
+import org.bukkit.plugin.java.JavaPlugin;
+import org.example.firstplugin.items.AbstractBoots;
+import org.example.firstplugin.items.MagmaBoots;
+import org.example.firstplugin.items.SpongeBoots;
+import org.example.firstplugin.items.WaterBoots;
+import org.example.firstplugin.items.WetSpongeBoots;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+public class Main extends JavaPlugin implements Listener {
+    @Override
+    public void onEnable() {
+        Bukkit.getPluginManager().registerEvents(this, this);
+
+        List<AbstractBoots> boots = getBoots();
+        for (AbstractBoots boot : boots) {
+            Objects.requireNonNull(this.getCommand(boot.getCommandName())).setExecutor(boot);
+            Bukkit.addRecipe(boot.getRecipe());
+        }
+    }
+
+    @EventHandler
+    public void onPlayerJoin(PlayerJoinEvent event) {
+        event.getPlayer().sendMessage(Component.text("Hello, " + event.getPlayer().getName() + "!"));
+    }
+
+    @EventHandler
+    public void onPlayerMove(PlayerMoveEvent event) {
+        List<AbstractBoots> boots = getBoots();
+        for (AbstractBoots boot : boots) {
+            boot.onPlayerMove(event);
+        }
+    }
+
+    private List<AbstractBoots> getBoots() {
+        List<AbstractBoots> boots = new ArrayList<>();
+        boots.add(new WaterBoots());
+        boots.add(new MagmaBoots());
+        boots.add(new SpongeBoots());
+        boots.add(new WetSpongeBoots());
+        return boots;
+    }
+}

src/main/java/org/example/firstplugin/items/AbstractBoots.java

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+package org.example.firstplugin.items;
+
+import org.bukkit.GameMode;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.NamespacedKey;
+import org.bukkit.block.Block;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.event.player.PlayerMoveEvent;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.Recipe;
+import org.bukkit.inventory.ShapedRecipe;
+import org.jetbrains.annotations.NotNull;
+
+import javax.annotation.Nonnull;
+import java.util.Collections;
+import java.util.Map;
+
+public abstract class AbstractBoots implements CommandExecutor {
+    public abstract ItemStack getBoots();
+    public abstract String getCommandName();
+    public abstract Recipe getRecipe();
+    protected Map<Material, Material> replaceBlockUnderPlayer() {
+        return Collections.emptyMap();
+    }
+    protected void onReplaceUnderPlayer(Player player, Material oldMaterialUnderPlayer, Material newMaterialUnderPlayer) {}
+
+    public void onPlayerMove(PlayerMoveEvent event) {
+        Player player = event.getPlayer();
+        var playerBoots = player.getInventory().getBoots();
+        if (playerBoots == null) {
+            return;
+        }
+        var playerBootsWithFullDurability = playerBoots.clone();
+        playerBootsWithFullDurability.setDurability((short) 0);
+
+        if (getBoots().equals(playerBootsWithFullDurability)) {
+            Block blockUnderPlayer = getBlockUnderPlayer(player);
+            if (blockUnderPlayer == null || replaceBlockUnderPlayer() == null || replaceBlockUnderPlayer().isEmpty()) {
+                return;
+            }
+
+            Material blockUnderPlayerType = blockUnderPlayer.getType();
+            if (replaceBlockUnderPlayer().containsKey(blockUnderPlayerType)) {
+                blockUnderPlayer.setType(replaceBlockUnderPlayer().get(blockUnderPlayerType));
+                onReplaceUnderPlayer(player, blockUnderPlayerType, replaceBlockUnderPlayer().get(blockUnderPlayerType));
+
+                if (player.getGameMode() == GameMode.SURVIVAL || player.getGameMode() == GameMode.ADVENTURE) {
+                    playerBoots.setDurability((short) (playerBoots.getDurability() + 1));
+                }
+            }
+        }
+    }
+
+    @Override
+    public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, String[] args) {
+        if (sender instanceof Player player) {
+            player.getInventory().addItem(getBoots());
+        }
+
+        // If the player (or console) uses our command correct, we can return true
+        return true;
+    }
+
+    /**
+     * Returns a map of blocks to replace under the player. The key is the block to replace, and the value is the block to replace it with.
+     * @return The map of blocks to replace under the player.
+     */
+
+    private static Block getBlockUnderPlayer(@Nonnull Player player) {
+        Location locationUnderPlayer = player.getLocation().subtract(0,0.1,0);
+        if (!locationUnderPlayer.equals(locationUnderPlayer.subtract(0, 0.89, 0))) {
+            return null;
+        }
+
+        return locationUnderPlayer.getBlock();
+    }
+
+    /**
+     * Returns a boot shaped recipe.
+     * @param material The material to use for the boots.
+     * @return The boot shaped recipe.
+     */
+    protected ShapedRecipe getDefaultRecipe(Material material) {
+        ShapedRecipe abstractBoots = new ShapedRecipe(new NamespacedKey("firstplugin", getCommandName()), getBoots());
+        abstractBoots.shape("   ", "B B", "B B");
+        abstractBoots.setIngredient('B', material);
+        return abstractBoots;
+    }
+}

src/main/java/org/example/firstplugin/items/MagmaBoots.java

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+package org.example.firstplugin.items;
+
+import net.kyori.adventure.text.Component;
+import org.bukkit.Color;
+import org.bukkit.Material;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.Recipe;
+import org.bukkit.inventory.meta.LeatherArmorMeta;
+
+import java.util.Map;
+import java.util.TreeMap;
+
+public class MagmaBoots extends AbstractBoots {
+    @Override
+    public String getCommandName() {
+        return "magmaboots";
+    }
+
+    @Override
+    public Recipe getRecipe() {
+        return getDefaultRecipe(Material.MAGMA_BLOCK);
+    }
+
+    @Override
+    public ItemStack getBoots() {
+        ItemStack magmaboots = new ItemStack(Material.LEATHER_BOOTS);
+        LeatherArmorMeta meta = (LeatherArmorMeta) magmaboots.getItemMeta();
+        meta.setColor(Color.fromRGB(255, 0, 0));
+        meta.displayName(Component.text("Magma Boots"));
+        magmaboots.setItemMeta(meta);
+        return magmaboots;
+    }
+
+    @Override
+    protected Map<Material, Material> replaceBlockUnderPlayer() {
+        Map<Material, Material> map = new TreeMap<>();
+        map.put(Material.ICE, Material.WATER);
+        map.put(Material.WATER, Material.COBBLESTONE);
+        map.put(Material.WET_SPONGE, Material.SPONGE);
+        return map;
+    }
+}

src/main/java/org/example/firstplugin/items/SpongeBoots.java

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+package org.example.firstplugin.items;
+
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.TextComponent;
+import org.bukkit.Color;
+import org.bukkit.Material;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.Recipe;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.inventory.meta.LeatherArmorMeta;
+
+import java.util.Map;
+import java.util.TreeMap;
+
+public class SpongeBoots extends AbstractBoots {
+    public static final Color SPONGEBOOTS_COLOR = Color.fromRGB(255, 255, 0);
+    public static final TextComponent SPONGEBOOTS_NAME = Component.text("Sponge Boots");
+    public static final TextComponent WET_SPONGEBOOTS_NAME = Component.text("Wet Sponge Boots");
+
+    @Override
+    public String getCommandName() {
+        return "spongeboots";
+    }
+
+    @Override
+    public Recipe getRecipe() {
+        return getDefaultRecipe(Material.SPONGE);
+    }
+
+    @Override
+    public ItemStack getBoots() {
+        ItemStack boots = new ItemStack(Material.LEATHER_BOOTS);
+        LeatherArmorMeta meta = (LeatherArmorMeta) boots.getItemMeta();
+        meta.setColor(SPONGEBOOTS_COLOR);
+        meta.displayName(SPONGEBOOTS_NAME);
+        boots.setItemMeta(meta);
+        return boots;
+    }
+
+    @Override
+    protected Map<Material, Material> replaceBlockUnderPlayer() {
+        Map<Material, Material> map = new TreeMap<>();
+        map.put(Material.WATER, Material.AIR);
+        return map;
+    }
+
+    @Override
+    protected void onReplaceUnderPlayer(Player player, Material oldBlockUnderPlayer, Material newBlockUnderPlayer) {
+        ItemMeta meta = player.getInventory().getBoots().getItemMeta();
+        meta.displayName(WET_SPONGEBOOTS_NAME);
+        player.getInventory().getBoots().setItemMeta(meta);
+    }
+}

src/main/java/org/example/firstplugin/items/WaterBoots.java

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+package org.example.firstplugin.items;
+
+import net.kyori.adventure.text.Component;
+import org.bukkit.Color;
+import org.bukkit.Material;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.Recipe;
+import org.bukkit.inventory.meta.LeatherArmorMeta;
+
+import java.util.Map;
+import java.util.TreeMap;
+
+public class WaterBoots extends AbstractBoots {
+    @Override
+    public String getCommandName() {
+        return "waterboots";
+    }
+
+    @Override
+    public Recipe getRecipe() {
+        return getDefaultRecipe(Material.WATER_BUCKET);
+    }
+
+    @Override
+    public ItemStack getBoots() {
+        ItemStack waterboots = new ItemStack(Material.LEATHER_BOOTS);
+        LeatherArmorMeta meta = (LeatherArmorMeta) waterboots.getItemMeta();
+        meta.setColor(Color.fromRGB(0, 0, 255));
+        meta.displayName(Component.text("Water Boots"));
+        waterboots.setItemMeta(meta);
+        return waterboots;
+    }
+
+    @Override
+    protected Map<Material, Material> replaceBlockUnderPlayer() {
+        Map<Material, Material> map = new TreeMap<>();
+        map.put(Material.LAVA, Material.OBSIDIAN);
+        map.put(Material.SPONGE, Material.WET_SPONGE);
+        return map;
+    }
+}

src/main/java/org/example/firstplugin/items/WetSpongeBoots.java

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+package org.example.firstplugin.items;
+
+import org.bukkit.Material;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.Recipe;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.inventory.meta.LeatherArmorMeta;
+
+import java.util.Map;
+import java.util.TreeMap;
+
+public class WetSpongeBoots extends AbstractBoots {
+    @Override
+    public String getCommandName() {
+        return "wetspongeboots";
+    }
+
+    @Override
+    public Recipe getRecipe() {
+        return getDefaultRecipe(Material.WET_SPONGE);
+    }
+
+    @Override
+    public ItemStack getBoots() {
+        ItemStack boots = new ItemStack(Material.LEATHER_BOOTS);
+        LeatherArmorMeta meta = (LeatherArmorMeta) boots.getItemMeta();
+        meta.setColor(SpongeBoots.SPONGEBOOTS_COLOR);
+        meta.displayName(SpongeBoots.WET_SPONGEBOOTS_NAME);
+        boots.setItemMeta(meta);
+        return boots;
+    }
+
+    @Override
+    protected Map<Material, Material> replaceBlockUnderPlayer() {
+        Map<Material, Material> map = new TreeMap<>();
+        map.put(Material.SPONGE, Material.WET_SPONGE);
+        return map;
+    }
+
+    @Override
+    protected void onReplaceUnderPlayer(Player player, Material oldBlockUnderPlayer, Material newBlockUnderPlayer) {
+        ItemMeta meta = player.getInventory().getBoots().getItemMeta();
+        meta.displayName(SpongeBoots.SPONGEBOOTS_NAME);
+        player.getInventory().getBoots().setItemMeta(meta);
+    }
+}

src/main/resources/plugin.yml

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+name: FirstPlugin
+version: 1.0.0
+main: org.example.firstplugin.Main
+description: It's my first Plugin
+author: k3y0708
+website: https://atashfaraz.de
+api-version: '1.20'
+
+commands:
+    waterboots:
+        description: Gives you water boots
+        usage: /<command>
+        permission: firstplugin.waterboots
+        permission-message: You are not cool enough to wear water boots. They will become steam boots if you try to wear them.
+    magmaboots:
+        description: Gives you magma boots
+        usage: /<command>
+        permission: firstplugin.magmaboots
+        permission-message: You are not hot enough to wear magma boots. They will become obsidian boots if you try to wear them.
+    spongeboots:
+        description: Gives you sponge boots
+        usage: /<command>
+        permission: firstplugin.spongeboots
+    wetspongeboots:
+        description: Gives you wet sponge boots
+        usage: /<command>
+        permission: firstplugin.wetspongeboots
+
+permissions:
+    firstplugin.waterboots:
+        description: Allows you to use the waterboots command
+        default: op
+    firstplugin.magmaboots:
+        description: Allows you to use the magmaboots command
+        default: op
+    firstplugin.spongeboots:
+        description: Allows you to use the spongeboots command
+        default: op
+    firstplugin.wetspongeboots:
+        description: Allows you to use the wetspongeboots command
+        default: op