Target Java 21 and Minecraft 1.21.10

.github/dependencies.sha256

@@ -1,4 +1,3 @@
 d52cc0c734a9bb942428a403bb3630123596bcd9c94d3a77ea2782046b113af5  libs/MMOCore-1.11.3.jar
 c84700df5942fd969d3e8c2f1ad2c3ebeb17987ef88b426408d1306e49c4aada  libs/MMOItems-6.10.jar
 660ff2a6ec86bc8d7779948cf65c1637e271a16e1ef812d6a273f4a5c5eec73c  libs/MythicLib-1.7.jar
-97e0c708c1e319189ce1cda049244551a105860d51e908d2bcbc183fd1f89816  libs/spigot-api-1.20.2-R0.1-SNAPSHOT.jar

.github/scripts/prepare-release.sh

@@ -6,5 +6,4 @@ mkdir -p libs
 curl --fail --location --silent --show-error --retry 3 -H "Authorization: Bearer $GH_TOKEN" -H "Accept: application/vnd.github.raw+json" "https://api.github.com/repos/TF-Minecraft/ServerAssets/contents/jars/d52cc0c734a9/MMOCore-1.11.3.jar?ref=$ref" > "libs/MMOCore-1.11.3.jar"
 curl --fail --location --silent --show-error --retry 3 -H "Authorization: Bearer $GH_TOKEN" -H "Accept: application/vnd.github.raw+json" "https://api.github.com/repos/TF-Minecraft/ServerAssets/contents/jars/c84700df5942/MMOItems-6.10.jar?ref=$ref" > "libs/MMOItems-6.10.jar"
 curl --fail --location --silent --show-error --retry 3 -H "Authorization: Bearer $GH_TOKEN" -H "Accept: application/vnd.github.raw+json" "https://api.github.com/repos/TF-Minecraft/ServerAssets/contents/jars/660ff2a6ec86/MythicLib-1.7.jar?ref=$ref" > "libs/MythicLib-1.7.jar"
-curl --fail --location --silent --show-error --retry 3 -H "Authorization: Bearer $GH_TOKEN" -H "Accept: application/vnd.github.raw+json" "https://api.github.com/repos/TF-Minecraft/ServerAssets/contents/jars/97e0c708c1e3/spigot-api-1.20.2-R0.1-SNAPSHOT.jar?ref=$ref" > "libs/spigot-api-1.20.2-R0.1-SNAPSHOT.jar"
 sha256sum --check .github/dependencies.sha256

.github/workflows/build.yml

@@ -20,7 +20,7 @@ jobs:
       - uses: actions/setup-java@v6
         with:
           distribution: temurin
-          java-version: '25'
+          java-version: '21'
       - name: Prepare pinned dependencies
         env:
           GH_TOKEN: ${{ secrets.DEPS_TOKEN }}

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
       contents: write
     uses: ./.github/workflows/maven-release.yml
     with:
-      java-version: '25'
+      java-version: '21'
       # Exact path, not a glob. {version} is replaced with the tag without v.
       artifact-path: target/advancedgunpowder-{version}.jar
     secrets:

pom.xml

@@ -9,10 +9,16 @@
     <version>1.5.0</version>
 
     <properties>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.release>21</maven.compiler.release>
     </properties>
 
+    <repositories>
+        <repository>
+            <id>spigot-snapshots</id>
+            <url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
+        </repository>
+    </repositories>
+
     <dependencies>
         <dependency>
             <groupId>local</groupId>
@@ -36,11 +42,10 @@
             <systemPath>${project.basedir}/libs/MythicLib-1.7.jar</systemPath>
         </dependency>
         <dependency>
-            <groupId>local</groupId>
+            <groupId>org.spigotmc</groupId>
             <artifactId>spigot-api</artifactId>
-            <version>1.20.2-R0.1-SNAPSHOT</version>
-            <scope>system</scope>
-            <systemPath>${project.basedir}/libs/spigot-api-1.20.2-R0.1-SNAPSHOT.jar</systemPath>
+            <version>1.21.10-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
         </dependency>
     </dependencies>
 
@@ -58,6 +63,11 @@
             </resource>
         </resources>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.14.1</version>
+            </plugin>
         </plugins>
     </build>
 

src/main/java/me/Plugins/AdvancedGunpowder/GunpowderEvents.java

@@ -83,7 +83,7 @@ public void equipEvent(PlayerItemHeldEvent e) {
         			loaded = nbtTags.getPersistentDataContainer().get(isLoaded, PersistentDataType.INTEGER);
         		}
         		if(loaded == 0) return;
-        		PotionEffect slow = new PotionEffect(PotionEffectType.SLOW, (int) Math.floor(w.getReloadTime()*20), 2, false, false);
+                PotionEffect slow = new PotionEffect(PotionEffectType.SLOWNESS, (int) Math.floor(w.getReloadTime()*20), 2, false, false);
         		p.addPotionEffect(slow);
         		isEquipping.put(p, true);
         		Double time = w.getEquipTime();
@@ -100,13 +100,13 @@ public void run()
         					p.sendTitle(" ", "§eEquipping... §7" + t/10 + "§es", 1, 20, 5);
         				} else {
         					p.sendTitle(" ", "§eEquipped!", 1, 20, 10);
-        	        		p.removePotionEffect(PotionEffectType.SLOW);
+                            p.removePotionEffect(PotionEffectType.SLOWNESS);
         					isEquipping.put(p, false);
         					equippedItem.put(p, i);
         					this.cancel();
         				}
         				if(!p.getInventory().getItemInMainHand().equals(i) || isEquipping.get(p) == false) {
-        					p.removePotionEffect(PotionEffectType.SLOW);
+                            p.removePotionEffect(PotionEffectType.SLOWNESS);
         					isEquipping.put(p, false);
         					this.cancel();
         				}
@@ -306,7 +306,7 @@ public void reloadMusket(HandWeapon w, ItemStack item, Player p) {
 		ItemMeta model = item.getItemMeta();
 		model.setCustomModelData(w.getLoadingModel());
 		item.setItemMeta(model);
-		PotionEffect slow = new PotionEffect(PotionEffectType.SLOW, (int) Math.floor(w.getReloadTime())*20, 2, false, false);
+        PotionEffect slow = new PotionEffect(PotionEffectType.SLOWNESS, (int) Math.floor(w.getReloadTime())*20, 2, false, false);
 		p.addPotionEffect(slow);
 		isReloading.put(p, true);
 		Double time = w.getReloadTime();
@@ -344,13 +344,13 @@ public void run()
 	        			cbm.addChargedProjectile(new ItemStack(Material.ARROW, 1));
 	        			item.setItemMeta(cbm);
 	        		}
-	        		p.removePotionEffect(PotionEffectType.SLOW);
+                    p.removePotionEffect(PotionEffectType.SLOWNESS);
 					equippedItem.put(p, item);
 	        		isReloading.put(p, false);
 					this.cancel();
 				}
 				if(!p.getInventory().getItemInMainHand().equals(item)) {
-					p.removePotionEffect(PotionEffectType.SLOW);
+                    p.removePotionEffect(PotionEffectType.SLOWNESS);
 					isReloading.put(p, false);
 					ItemMeta model = item.getItemMeta();
 	        		model.setCustomModelData(w.getModel());

src/main/resources/plugin.yml

@@ -1,5 +1,5 @@
 main: me.Plugins.AdvancedGunpowder.GunpowderMain
-api-version: 1.18
+api-version: '1.21.10'
 name: AdvancedGunpowder
 version: ${project.version}
 author: Drefvelin