First commit

.gitignore

@@ -0,0 +1,3 @@
+target
+out
+.idea

ideas/custom_items.txt

@@ -0,0 +1 @@
+Sand gun - Gun shooting sand

ideas/magic.txt

@@ -0,0 +1,2 @@
+damage shield - sphere particles as a damage shield
+particle tail - particle tail following the player

pom.xml

@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>dev.xoy</groupId>
+  <artifactId>xoyShowOff</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <packaging>jar</packaging>
+
+  <name>xoy Show Off</name>
+
+  <properties>
+    <java.version>1.8</java.version>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.8.1</version>
+        <configuration>
+          <source>${java.version}</source>
+          <target>${java.version}</target>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-shade-plugin</artifactId>
+        <version>3.2.4</version>
+        <executions>
+          <execution>
+            <phase>package</phase>
+            <goals>
+              <goal>shade</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+    <resources>
+      <resource>
+        <directory>src/main/resources</directory>
+        <filtering>true</filtering>
+      </resource>
+    </resources>
+  </build>
+
+  <repositories>
+      <repository>
+          <id>papermc-repo</id>
+          <url>https://repo.papermc.io/repository/maven-public/</url>
+      </repository>
+      <repository>
+          <id>sonatype</id>
+          <url>https://oss.sonatype.org/content/groups/public/</url>
+      </repository>
+  </repositories>
+
+  <dependencies>
+      <dependency>
+          <groupId>io.papermc.paper</groupId>
+          <artifactId>paper-api</artifactId>
+          <version>1.20.6-R0.1-SNAPSHOT</version>
+          <scope>provided</scope>
+      </dependency>
+  </dependencies>
+</project>

src/main/java/dev/xoy/xoyshowoff/XoyShowOff.java

@@ -0,0 +1,31 @@
+package dev.xoy.xoyshowoff;
+
+import dev.xoy.xoyshowoff.commands.GiveSandArrowCommand;
+import dev.xoy.xoyshowoff.commands.GiveSandGunCommand;
+import dev.xoy.xoyshowoff.items.SandGunListener;
+import org.bukkit.plugin.java.JavaPlugin;
+
+import java.util.Objects;
+import java.util.logging.Logger;
+
+public final class XoyShowOff extends JavaPlugin {
+
+    public static final Logger LOGGER = Logger.getLogger("xoyShowOff");
+
+    @Override
+    public void onEnable() {
+        LOGGER.info("xoyShowOff is now enabled!");
+        getServer().getPluginManager().registerEvents(new SandGunListener(), this);
+        getCommand("givesandgun").setExecutor(new GiveSandGunCommand());
+        getCommand("givesandarrow").setExecutor(new GiveSandArrowCommand());
+    }
+
+    @Override
+    public void onDisable() {
+        LOGGER.info("xoyShowOff is now disabled!");
+    }
+
+    public static XoyShowOff getInstance() {
+        return getPlugin(XoyShowOff.class);
+    }
+}

src/main/java/dev/xoy/xoyshowoff/commands/GiveSandArrowCommand.java

@@ -0,0 +1,26 @@
+package dev.xoy.xoyshowoff.commands;
+
+import dev.xoy.xoyshowoff.items.SandArrow;
+import dev.xoy.xoyshowoff.items.SandGun;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;
+
+public class GiveSandArrowCommand implements CommandExecutor {
+    @Override
+    public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
+        if (sender instanceof Player) {
+            Player player = (Player) sender;
+            ItemStack stack = new SandArrow();
+            stack.setAmount(16);
+            player.getInventory().addItem(stack);
+            return true;
+        } else {
+            sender.sendMessage("This command can only be used by a player.");
+            return false;
+        }
+    }
+}

src/main/java/dev/xoy/xoyshowoff/commands/GiveSandGunCommand.java

@@ -0,0 +1,22 @@
+package dev.xoy.xoyshowoff.commands;
+
+import dev.xoy.xoyshowoff.items.SandGun;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+
+public class GiveSandGunCommand implements CommandExecutor {
+    @Override
+    public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
+        if (sender instanceof Player) {
+            Player player = (Player) sender;
+            player.getInventory().addItem(new SandGun());
+            return true;
+        } else {
+            sender.sendMessage("This command can only be used by a player.");
+            return false;
+        }
+    }
+}

src/main/java/dev/xoy/xoyshowoff/items/Keys.java

@@ -0,0 +1,9 @@
+package dev.xoy.xoyshowoff.items;
+
+import dev.xoy.xoyshowoff.XoyShowOff;
+import org.bukkit.NamespacedKey;
+
+public class Keys {
+    public static final NamespacedKey SANDGUN = new NamespacedKey(XoyShowOff.getInstance(), "SandGun");
+    public static final NamespacedKey SANDARROW = new NamespacedKey(XoyShowOff.getInstance(), "SandArrow");
+}

src/main/java/dev/xoy/xoyshowoff/items/SandArrow.java

@@ -0,0 +1,18 @@
+package dev.xoy.xoyshowoff.items;
+
+import net.kyori.adventure.text.Component;
+import org.bukkit.Material;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.persistence.PersistentDataType;
+
+public class SandArrow extends ItemStack {
+    public SandArrow() {
+        super(Material.ARROW);
+        ItemMeta meta = getItemMeta();
+        meta.displayName(Component.text("Sand Arrow"));
+        meta.setMaxStackSize(16);
+        meta.getPersistentDataContainer().set(Keys.SANDARROW, PersistentDataType.BOOLEAN, true);
+        setItemMeta(meta);
+    }
+}

src/main/java/dev/xoy/xoyshowoff/items/SandGun.java

@@ -0,0 +1,22 @@
+package dev.xoy.xoyshowoff.items;
+
+import net.kyori.adventure.text.Component;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.FallingBlock;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.persistence.PersistentDataType;
+import org.bukkit.util.Vector;
+
+public class SandGun extends ItemStack{
+
+    public SandGun() {
+        super(Material.BOW);
+        ItemMeta meta = getItemMeta();
+        meta.displayName(Component.text("Sand Gun"));
+        meta.getPersistentDataContainer().set(Keys.SANDGUN, PersistentDataType.BOOLEAN, true);
+        setItemMeta(meta);
+    }
+}

src/main/java/dev/xoy/xoyshowoff/items/SandGunListener.java

@@ -0,0 +1,54 @@
+package dev.xoy.xoyshowoff.items;
+
+import dev.xoy.xoyshowoff.XoyShowOff;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.NamespacedKey;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.FallingBlock;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.entity.EntityShootBowEvent;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.PlayerInventory;
+import org.bukkit.util.Vector;
+
+public class SandGunListener implements Listener {
+    private ItemStack inventoryContainsItemStackWithKey(Player player, NamespacedKey key) {
+        PlayerInventory inventory = player.getInventory();
+        for(ItemStack stack : inventory.getContents()) {
+            if(stack != null && stack.getItemMeta() != null &&
+                    stack.getItemMeta().getPersistentDataContainer().has(key)) return stack;
+        }
+        return null;
+    }
+
+    public FallingBlock spawnSandEntityWithVelocity(Location location, Vector velocity) {
+        FallingBlock sand = (FallingBlock) location.getWorld().spawnEntity(location, EntityType.FALLING_BLOCK);
+        sand.setBlockData(Material.SAND.createBlockData());
+        sand.setVelocity(velocity);
+
+        return sand;
+    }
+
+    @EventHandler
+    public void onEntityShootBow(EntityShootBowEvent event) {
+        XoyShowOff.LOGGER.info("onEntityShootBow");
+        if(event.getEntity() instanceof Player) {
+            Player player = (Player) event.getEntity();
+            ItemStack bow = event.getBow();
+            if(bow != null && bow.getItemMeta() != null && bow.getItemMeta().getPersistentDataContainer().has(Keys.SANDGUN)) {
+                XoyShowOff.LOGGER.info("isSandGun");
+                ItemStack ammo = inventoryContainsItemStackWithKey(player, Keys.SANDARROW);
+                if(ammo != null) {
+                    //ammo.setAmount(ammo.getAmount() - 1);
+                    Vector velocity = player.getEyeLocation().getDirection();
+                    FallingBlock sand = spawnSandEntityWithVelocity(player.getEyeLocation(), velocity);
+                    XoyShowOff.LOGGER.info("Spawned: " + sand.getName());
+                }
+                event.setCancelled(true);
+            }
+        }
+    }
+}

src/main/resources/plugin.yml

@@ -0,0 +1,11 @@
+name: xoyShowOff
+version: '${project.version}'
+main: dev.xoy.xoyshowoff.XoyShowOff
+api-version: '1.20'
+commands:
+  givesandgun:
+    description: Gives the player a Sand Gun.
+    usage: /givesandgun
+  givesandarrow:
+    description: Gives the player a stack Sand Arrows.
+    usage: /givesandarrow

xoyShowOff.iml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module version="4">
+  <component name="FacetManager">
+    <facet type="minecraft" name="Minecraft">
+      <configuration>
+        <autoDetectTypes>
+          <platformType>PAPER</platformType>
+          <platformType>ADVENTURE</platformType>
+        </autoDetectTypes>
+        <projectReimportVersion>1</projectReimportVersion>
+      </configuration>
+    </facet>
+  </component>
+</module>