Commit changes for Telesphoreo to finish

shared/build.gradle.kts

@@ -1,3 +1,4 @@
 dependencies {
     compileOnly("io.papermc.paper:paper-api:1.20.1-R0.1-SNAPSHOT")
+    compileOnly("org.spigotmc:spigot:1.20.1-R0.1-SNAPSHOT")
 }

shared/src/main/java/dev/plex/itemizerx/nms/AbstractNMSPlatform.java

@@ -0,0 +1,26 @@
+package dev.plex.itemizerx.nms;
+
+import dev.plex.itemizerx.nms.attribute.NMSAttributeManager;
+import dev.plex.itemizerx.nms.factory.Factory;
+import dev.plex.itemizerx.nms.platform.NMSPlatform;
+import dev.plex.itemizerx.nms.player.NMSPlayer;
+import org.bukkit.entity.Player;
+
+public abstract class AbstractNMSPlatform implements NMSPlatform {
+    protected final Factory<NMSPlayer, Player> playerFactory;
+    protected final NMSAttributeManager attributeManager;
+    protected AbstractNMSPlatform(final Factory<NMSPlayer, Player> playerFactory, final NMSAttributeManager attributeManager) {
+        this.playerFactory = playerFactory;
+        this.attributeManager = attributeManager;
+    }
+
+    @Override
+    public Factory<NMSPlayer, Player> getPlayerFactory() {
+        return this.playerFactory;
+    }
+
+    @Override
+    public NMSAttributeManager getAttributeManager() {
+        return this.attributeManager;
+    }
+}

shared/src/main/java/dev/plex/itemizerx/nms/attribute/NMSAttributeManager.java

@@ -0,0 +1,8 @@
+package dev.plex.itemizerx.nms.attribute;
+
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.world.item.ItemStack;
+
+public interface NMSAttributeManager {
+    NBTTagList getAttributeList(final ItemStack itemStack);
+}

shared/src/main/java/dev/plex/itemizerx/nms/factory/Factory.java

@@ -0,0 +1,5 @@
+package dev.plex.itemizerx.nms.factory;
+
+public interface Factory<T, U> {
+    T get(final U from);
+}

shared/src/main/java/dev/plex/itemizerx/nms/factory/NMSPlayerFactory.java

@@ -0,0 +1,8 @@
+package dev.plex.itemizerx.nms.factory;
+
+import dev.plex.itemizerx.nms.player.NMSPlayer;
+import org.bukkit.entity.Player;
+
+public interface NMSPlayerFactory extends Factory<NMSPlayer, Player> {
+
+}

shared/src/main/java/dev/plex/itemizerx/nms/platform/NMSPlatform.java

@@ -0,0 +1,19 @@
+package dev.plex.itemizerx.nms.platform;
+
+import dev.plex.itemizerx.nms.attribute.NMSAttributeManager;
+import dev.plex.itemizerx.nms.player.NMSPlayer;
+import dev.plex.itemizerx.nms.factory.Factory;
+import org.bukkit.Material;
+import org.bukkit.entity.Player;
+
+public interface NMSPlatform {
+    Material getLingeringPotionMaterial();
+    Material getSplashPotionMaterial();
+    // In-case md5 decides to change the position of air in the Material enum
+    default Material getAirMaterial() {
+        return Material.AIR;
+    }
+    void register();
+    Factory<NMSPlayer, Player> getPlayerFactory();
+    NMSAttributeManager getAttributeManager();
+}

shared/src/main/java/dev/plex/itemizerx/nms/player/AbstractNMSPlayer.java

@@ -0,0 +1,11 @@
+package dev.plex.itemizerx.nms.player;
+
+import org.bukkit.entity.Player;
+
+public abstract class AbstractNMSPlayer implements NMSPlayer {
+    protected final Player player;
+
+    protected AbstractNMSPlayer(final Player player) {
+        this.player = player;
+    }
+}

shared/src/main/java/dev/plex/itemizerx/nms/player/NMSPlayer.java

@@ -0,0 +1,6 @@
+package dev.plex.itemizerx.nms.player;
+
+public interface NMSPlayer {
+    void sendMessage(final String message);
+
+}

shared/src/main/java/dev/plex/itemizerx/nms/registry/PlatformRegistry.java

@@ -0,0 +1,54 @@
+package dev.plex.itemizerx.nms.registry;
+
+import com.google.common.reflect.ClassPath;
+import dev.plex.itemizerx.nms.platform.NMSPlatform;
+import dev.plex.itemizerx.nms.registry.exception.PlatformLoadException;
+import it.unimi.dsi.fastutil.objects.Object2ObjectArrayMap;
+
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+
+public final class PlatformRegistry {
+    private static final Map<String, NMSPlatform> PLATFORM_MAP = new Object2ObjectArrayMap<>();
+
+    public static void init() throws PlatformLoadException {
+        final ClassPath classPath;
+
+        try {
+            classPath = ClassPath.from(PlatformRegistry.class.getClassLoader());
+        } catch (IOException e) {
+            throw new PlatformLoadException("Failed to get class path of platform registry", e);
+        }
+
+        final Set<ClassPath.ClassInfo> classInfoSet = classPath.getTopLevelClasses("dev.plex.itemizerx.nms.factory.impl");
+        final Class<NMSPlatform> nmsPlatformClass = NMSPlatform.class;
+
+        for (final ClassPath.ClassInfo classInfo : classInfoSet) {
+            final Class<?> loadedClass = classInfo.load();
+
+            if (!nmsPlatformClass.isAssignableFrom(loadedClass)) {
+                continue;
+            }
+
+            final Class<? extends NMSPlatform> platformImplementation = loadedClass.asSubclass(nmsPlatformClass);
+
+            try {
+                platformImplementation.getDeclaredConstructor().newInstance().register();
+            } catch (InvocationTargetException | InstantiationException | IllegalAccessException |
+                     NoSuchMethodException e) {
+                throw new PlatformLoadException("Failed to construct NMS platform", e);
+            }
+        }
+    }
+
+    public static void registerPlatform(final String minecraftVersion, final NMSPlatform nmsPlatform) {
+        PLATFORM_MAP.put(minecraftVersion, nmsPlatform);
+    }
+
+    public static Optional<NMSPlatform> getPlatform(final String minecraftVersion) {
+        return Optional.ofNullable(PLATFORM_MAP.get(minecraftVersion));
+    }
+}

shared/src/main/java/dev/plex/itemizerx/nms/registry/exception/PlatformLoadException.java

@@ -0,0 +1,15 @@
+package dev.plex.itemizerx.nms.registry.exception;
+
+public class PlatformLoadException extends Exception {
+    public PlatformLoadException(final String message) {
+        super(message);
+    }
+
+    public PlatformLoadException(final String message, final Throwable cause) {
+        super(message, cause);
+    }
+
+    public PlatformLoadException(final Throwable cause) {
+        super(cause);
+    }
+}