DataItemStack - Dependencies, Better Debug, Better Order...

src/com/massivecraft/massivecore/MassiveCore.java

@@ -64,10 +64,7 @@ import com.massivecraft.massivecore.engine.EngineMassiveCoreVariable;
 import com.massivecraft.massivecore.engine.EngineMassiveCoreWorldNameSet;
 import com.massivecraft.massivecore.integration.vault.IntegrationVault;
 import com.massivecraft.massivecore.item.DataBannerPattern;
-import com.massivecraft.massivecore.item.WriterBannerPattern;
-import com.massivecraft.massivecore.item.WriterFireworkEffect;
 import com.massivecraft.massivecore.item.WriterItemStack;
-import com.massivecraft.massivecore.item.WriterPotionEffect;
 import com.massivecraft.massivecore.mixin.MixinActionbar;
 import com.massivecraft.massivecore.mixin.MixinActual;
 import com.massivecraft.massivecore.mixin.MixinCommand;
@@ -86,6 +83,7 @@ import com.massivecraft.massivecore.mixin.MixinVisibility;
 import com.massivecraft.massivecore.mixin.MixinWorld;
 import com.massivecraft.massivecore.mson.Mson;
 import com.massivecraft.massivecore.mson.MsonEvent;
+import com.massivecraft.massivecore.nms.NmsItemStack;
 import com.massivecraft.massivecore.ps.PS;
 import com.massivecraft.massivecore.ps.PSAdapter;
 import com.massivecraft.massivecore.store.ModificationPollerLocal;
@@ -168,8 +166,12 @@ public class MassiveCore extends MassivePlugin
 		ret.registerTypeAdapter(Mson.class, AdapterMson.get());
 		ret.registerTypeAdapter(MsonEvent.class, AdapterMsonEvent.get());
 		
-		// Items and Inventories
+		// ItemStack
 		ret.registerTypeAdapter(ItemStack.class, AdapterItemStack.get());
+		Class<?> classCraftItemStack = NmsItemStack.get().classCraftItemStack;
+		if (classCraftItemStack != null) ret.registerTypeAdapter(classCraftItemStack, AdapterItemStack.get());
+		
+		// Inventory
 		ret.registerTypeAdapter(Inventory.class, AdapterInventory.get());
 		ret.registerTypeAdapter(PlayerInventory.class, AdapterPlayerInventory.get());
 		
@@ -240,9 +242,6 @@ public class MassiveCore extends MassivePlugin
 			
 			// Writer,
 			WriterItemStack.class,
-			WriterPotionEffect.class,
-			WriterFireworkEffect.class,
-			WriterBannerPattern.class,
 		
 			// Engine
 			EngineMassiveCoreChestGui.class,

src/com/massivecraft/massivecore/engine/EngineMassiveCoreSponsor.java

@@ -71,43 +71,55 @@ public class EngineMassiveCoreSponsor extends Engine
 	}
 	
 	// -------------------------------------------- //
-	// INFORM
+	// ENABLED
 	// -------------------------------------------- //
 	
-	public void inform(final CommandSender sender)
+	public boolean isEnabled(final CommandSender sender)
 	{
-		// Fail Safe
+		// If there is a sender ...
-		if (sender == null) return;
+		if (sender == null) return false;
 		
-		// If enabled by mconf ...
+		// ... and enabled by mconf ...
-		if ( ! MassiveCoreMConf.get().sponsorEnabled) return;
+		if ( ! MassiveCoreMConf.get().sponsorEnabled) return false;
 		
 		// ... and enabled by info base ...
-		if ( ! MassiveCoreMSponsorInfo.get().enabled) return;
+		if ( ! MassiveCoreMSponsorInfo.get().enabled) return false;
 		
 		// ... and enabled by info time ...
 		long now = System.currentTimeMillis();
 		long to = MassiveCoreMSponsorInfo.get().enabledToMillis;
 		long left = to - now;
-		if (left <= 0) return;
+		if (left <= 0) return false;
 		
 		// ... and enabled by sender type ...
-		boolean isConsole = IdUtil.isConsole(sender);
+		boolean enabledByType = (IdUtil.isConsole(sender) ? MassiveCoreMSponsorInfo.get().consoleEnabled : MassiveCoreMSponsorInfo.get().ingameEnabled);
-		boolean enabledByType = (isConsole ? MassiveCoreMSponsorInfo.get().consoleEnabled : MassiveCoreMSponsorInfo.get().ingameEnabled);
+		if ( ! enabledByType) return false;
-		if ( ! enabledByType) return;
 		
 		// ... and enabled by sender operator ...
-		if ( ! sender.isOp()) return;
+		if ( ! sender.isOp()) return false;
 		
 		// ... and enabled by in indicator files ...
 		for (String indicatorFileName : MassiveCoreMSponsorInfo.get().indicatorFileNames)
 		{
 			File indicatorFile = new File(indicatorFileName);
-			if (indicatorFile.exists()) return;
+			if (indicatorFile.exists()) return false;
 		}
 		
-		// ... then schedule inner inform.
+		// ... then it's actually enabled.
-		int delayTicks = (isConsole ? MassiveCoreMSponsorInfo.get().consoleDelayTicks : MassiveCoreMSponsorInfo.get().ingameDelayTicks);
+		return true;
+	}
+	
+	// -------------------------------------------- //
+	// INFORM
+	// -------------------------------------------- //
+	
+	public void inform(final CommandSender sender)
+	{
+		// Enabled
+		if ( ! this.isEnabled(sender)) return;
+		
+		// Schedule
+		int delayTicks = (IdUtil.isConsole(sender) ? MassiveCoreMSponsorInfo.get().consoleDelayTicks : MassiveCoreMSponsorInfo.get().ingameDelayTicks);
 		Bukkit.getScheduler().runTaskLater(this.getPlugin(), new Runnable()
 		{
 			@Override
@@ -120,11 +132,11 @@ public class EngineMassiveCoreSponsor extends Engine
 	
 	public void informInner(CommandSender sender)
 	{
-		// Console?
+		// Enabled
-		boolean isConsole = IdUtil.isConsole(sender);
+		if ( ! this.isEnabled(sender)) return;
 		
 		// Messages
-		List<String> msgs = (isConsole ? MassiveCoreMSponsorInfo.get().consoleMsgs : MassiveCoreMSponsorInfo.get().ingameMsgs);		
+		List<String> msgs = (IdUtil.isConsole(sender) ? MassiveCoreMSponsorInfo.get().consoleMsgs : MassiveCoreMSponsorInfo.get().ingameMsgs);		
 		String senderVisual = MixinDisplayName.get().getDisplayName(sender, sender);
 		for (String msg : msgs)
 		{

src/com/massivecraft/massivecore/item/WriterAbstract.java

@@ -1,11 +1,13 @@
 package com.massivecraft.massivecore.item;
 
+import java.util.Arrays;
 import java.util.List;
 
 import com.massivecraft.massivecore.Engine;
 import com.massivecraft.massivecore.MassiveCoreMConf;
 import com.massivecraft.massivecore.collections.MassiveList;
 import com.massivecraft.massivecore.command.type.primitive.TypeBoolean;
+import com.massivecraft.massivecore.util.MUtil;
 import com.massivecraft.massivecore.util.ReflectionUtil;
 import com.massivecraft.massivecore.util.Txt;
 
@@ -14,55 +16,134 @@ public abstract class WriterAbstract<OA, OB, CA, CB, FA, FB> extends Engine
 	// -------------------------------------------- //
 	// WRITERS
 	// -------------------------------------------- //
-	// A writer may contain subwriters.
+	// Writer have dependencies and child writers.
 	
+	// A dependency is another writer that must be successfully activated for this writer to function.
+	// For that reason the dependencies are activated just after the provoke logic.
+	// Examples would be WriterPotionEffect and WriterFireworkEffect.
+	// They are implicitly required for some ItemStack field writers. 
+	
+	private List<Class<?>> dependencyClasses = new MassiveList<>();
+	public List<Class<?>> getDependencyClasses() { return this.dependencyClasses; }
+	public void addDependencyClasses(Class<?>... dependencyClasses) { this.getDependencyClasses().addAll(Arrays.asList(dependencyClasses)); }
+
+	// This is the writer classes scheduled to be used at setup.
+	// We do not yet know if they are compatible with this Minecraft version.
+	// All, some or none of them may fail.
+	private List<Class<?>> writerClasses = new MassiveList<>();
+	public List<Class<?>> getWriterClasses() { return this.writerClasses; }
+	public void addWriterClasses(Class<?>... writerClasses) { this.getWriterClasses().addAll(Arrays.asList(writerClasses)); }
+	
+	// These are the actually functional child writers.
+	// This list should only contain writers that passed the provoke routine.
 	private List<WriterAbstract<CA, CB, ?, ?, ?, ?>> writers = new MassiveList<>();
+	public List<WriterAbstract<CA, CB, ?, ?, ?, ?>> getWriters() { return this.writers; }
 
-	public List<WriterAbstract<CA, CB, ?, ?, ?, ?>> getWriters()
+	// Here is the logic to perform the dependency and child writer setup.
+	public void setupDependencies()
 	{
-		return this.writers;
+		for (Class<?> dependencyClass : this.getDependencyClasses())
+		{
+			this.setupWriter(dependencyClass, false);
+		}
 	}
 	
-	public void clearWriters()
+	public void setupWriters()
 	{
-		this.writers.clear();
+		for (Class<?> writerClass : this.getWriterClasses())
+		{
+			this.setupWriter(writerClass, true);
+		}
 	}
 	
 	@SuppressWarnings("unchecked")
-	public void addWriter(Class<?> clazz)
+	public void setupWriter(Class<?> writerClass, boolean add)
 	{
-		boolean success = false;
 		try
 		{
-			Class<WriterAbstract<CA, CB, ?, ?, ?, ?>> clazzInner = (Class<WriterAbstract<CA, CB, ?, ?, ?, ?>>) clazz;
+			Class<WriterAbstract<?, ?, ?, ?, ?, ?>> writerClassInner = (Class<WriterAbstract<?, ?, ?, ?, ?, ?>>) writerClass;
-			WriterAbstract<CA, CB, ?, ?, ?, ?> writer = ReflectionUtil.getSingletonInstance(clazzInner);
+			WriterAbstract<?, ?, ?, ?, ?, ?> writer = ReflectionUtil.getSingletonInstance(writerClassInner);
-			writer.setActive(this.getActivePlugin());
+			
-			this.getWriters().add(writer);
+			if ( ! writer.isActive()) writer.setActive(this.getActivePlugin());
-			success = true;
+			
+			if (add) this.getWriters().add((WriterAbstract<CA, CB, ?, ?, ?, ?>)writer);
 		}
 		catch (Throwable t)
 		{
-			if (MassiveCoreMConf.get().debugWriters)
+			this.reportSuccess(false, writerClass.getSimpleName(), t);
-			{
-				t.printStackTrace();
 		}
 	}
 	
-		if (MassiveCoreMConf.get().debugWriters)
+	public void reportSuccess(boolean success)
 	{
-			String message = Txt.parse("<h>%s %s", clazz.getSimpleName(), TypeBoolean.getOn().getVisual(success));
+		this.reportSuccess(success, this.getClass().getSimpleName());
-			this.getActivePlugin().log(message);
+	}
+	
+	public void reportSuccess(boolean success, String name)
+	{
+		this.reportSuccess(success, name, null);
+	}
+	
+	public void reportSuccess(boolean success, String name, Throwable t)
+	{
+		if ( ! MassiveCoreMConf.get().debugWriters) return;
+		
+		// Create
+		List<String> messages = new MassiveList<>();
+		
+		// Fill
+		String message;
+		
+		// Main
+		message = Txt.parse("<h>%s %s", name, TypeBoolean.getOn().getVisual(success));
+		messages.add(message);
+		
+		// Throwable
+		if (t != null)
+		{
+			message = Txt.parse("<b>### %s <i>%s", t.getClass().getSimpleName(), t.getMessage());
+			messages.add(message);
+			for (String s : MUtil.getStackTraceStrings(Arrays.asList(t.getStackTrace()), true))
+			{
+				message = Txt.parse("<b>--> %s", s);
+				messages.add(message);
 			}
 		}
 		
-	public void addWriters(Class<?>... clazzs)
+		// Send
+		for (String s : messages)
 		{
-		for (Class<?> clazz : clazzs)
+			this.getActivePlugin().log(s);
-		{
-			this.addWriter(clazz);
 		}
 	}
 	
+	// -------------------------------------------- //
+	// ACTIVE
+	// -------------------------------------------- //
+	// The setActive method starts out with the provoke.
+	// This means it can fail immediately with a runtime exception.
+	// If this happens it will not have been activated in any way.
+	
+	@Override
+	public void setActive(boolean active)
+	{
+		if (active)
+		{
+			// Provoke
+			this.provoke();
+			
+			// Setup Dependencies
+			this.setupDependencies();
+			
+			// Report This Success
+			this.reportSuccess(true);
+			
+			// Setup Writers
+			this.setupWriters();
+		}
+		super.setActive(active);
+	}
+
 	// -------------------------------------------- //
 	// CREATE
 	// -------------------------------------------- //
@@ -121,17 +202,6 @@ public abstract class WriterAbstract<OA, OB, CA, CB, FA, FB> extends Engine
 		return cb;
 	}
 
-	// -------------------------------------------- //
-	// ACTIVE
-	// -------------------------------------------- //
-
-	@Override
-	public void setActive(boolean active)
-	{
-		this.provoke();
-		super.setActive(active);
-	}
-
 	// -------------------------------------------- //
 	// PROVOKE
 	// -------------------------------------------- //
@@ -167,7 +237,7 @@ public abstract class WriterAbstract<OA, OB, CA, CB, FA, FB> extends Engine
 
 	public void write(OA oa, OB ob, boolean a2b)
 	{
-		if (!this.isActive()) throw new IllegalStateException("not active " + this.getClass().getName());
+		if ( ! this.isActive()) throw new IllegalStateException("not active " + this.getClass().getName());
 
 		if (oa == null) throw new NullPointerException("oa");
 		if (ob == null) throw new NullPointerException("ob");

src/com/massivecraft/massivecore/item/WriterAbstractItemStackMetaState.java

@@ -1,9 +1,20 @@
 package com.massivecraft.massivecore.item;
 
+import org.bukkit.Material;
 import org.bukkit.inventory.meta.BlockStateMeta;
 
 public abstract class WriterAbstractItemStackMetaState<OB, CB, FA, FB> extends WriterAbstractItemStackMeta<OB, CB, FA, FB>
 {
+	// -------------------------------------------- //
+	// CONSTRUCT
+	// -------------------------------------------- //
+	
+	public WriterAbstractItemStackMetaState()
+	{
+		// For the initial provoke to pass we must set a Material with a BlockStateMeta.
+		this.setMaterial(Material.SHIELD);
+	}
+	
 	// -------------------------------------------- //
 	// CREATE
 	// -------------------------------------------- //

src/com/massivecraft/massivecore/item/WriterBannerPattern.java

@@ -8,22 +8,12 @@ public class WriterBannerPattern extends WriterAbstractBannerPattern<Object, Obj
 	
 	private static final WriterBannerPattern i = new WriterBannerPattern();
 	public static WriterBannerPattern get() { return i; }
-	
+	public WriterBannerPattern()
-	// -------------------------------------------- //
-	// ACTIVE
-	// -------------------------------------------- //
-	
-	@Override
-	public void setActiveInner(boolean active)
 	{
-		if ( ! active) return;
+		this.addWriterClasses(
-		this.clearWriters();
-		
-		this.addWriters(
 			WriterBannerPatternId.class,
 			WriterBannerPatternColor.class
 		);
-
 	}
 	
 }

src/com/massivecraft/massivecore/item/WriterFireworkEffect.java

@@ -8,25 +8,15 @@ public class WriterFireworkEffect extends WriterAbstractFireworkEffect<Object, O
 	
 	private static final WriterFireworkEffect i = new WriterFireworkEffect();
 	public static WriterFireworkEffect get() { return i; }
-	
+	public WriterFireworkEffect()
-	// -------------------------------------------- //
-	// ACTIVE
-	// -------------------------------------------- //
-	
-	@Override
-	public void setActiveInner(boolean active)
 	{
-		if ( ! active) return;
+		this.addWriterClasses(
-		this.clearWriters();
-		
-		this.addWriters(
 			WriterFireworkEffectFlicker.class,
 			WriterFireworkEffectTrail.class,
 			WriterFireworkEffectColors.class,
 			WriterFireworkEffectFadeColors.class,
 			WriterFireworkEffectType.class
 		);
-
 	}
 	
 }

src/com/massivecraft/massivecore/item/WriterItemStack.java

@@ -8,18 +8,9 @@ public class WriterItemStack extends WriterAbstractItemStackField<Object, Object
 	
 	private static final WriterItemStack i = new WriterItemStack();
 	public static WriterItemStack get() { return i; }
-	
+	public WriterItemStack()
-	// -------------------------------------------- //
-	// ACTIVE
-	// -------------------------------------------- //
-	
-	@Override
-	public void setActiveInner(boolean active)
 	{
-		if ( ! active) return;
+		this.addWriterClasses(
-		this.clearWriters();
-		 
-		this.addWriters(
 			// BASIC
 			WriterItemStackId.class,
 			WriterItemStackCount.class,
@@ -30,5 +21,4 @@ public class WriterItemStack extends WriterAbstractItemStackField<Object, Object
 		);
 	}
 	
-	
 }

src/com/massivecraft/massivecore/item/WriterItemStackMeta.java

@@ -8,18 +8,9 @@ public class WriterItemStackMeta extends WriterAbstractItemStackMetaMorph<Object
 	
 	private static final WriterItemStackMeta i = new WriterItemStackMeta();
 	public static WriterItemStackMeta get() { return i; }
-	
+	public WriterItemStackMeta()
-	// -------------------------------------------- //
-	// ACTIVE
-	// -------------------------------------------- //
-	
-	@Override
-	public void setActiveInner(boolean active)
 	{
-		if ( ! active) return;
+		this.addWriterClasses(
-		this.clearWriters();
-		
-		this.addWriters(
 			// UNSPECIFIC
 			WriterItemStackMetaName.class,
 			WriterItemStackMetaLore.class,

src/com/massivecraft/massivecore/item/WriterItemStackMetaBannerPatterns.java

@@ -18,6 +18,9 @@ public class WriterItemStackMetaBannerPatterns extends WriterAbstractItemStackMe
 		this.setMaterial(Material.BANNER);
 		this.setConverterTo(ConverterToBannerPatterns.get());
 		this.setConverterFrom(ConverterFromBannerPatterns.get());
+		this.addDependencyClasses(
+			WriterBannerPattern.class
+		);
 	}
 	
 	// -------------------------------------------- //

src/com/massivecraft/massivecore/item/WriterItemStackMetaFireworkEffect.java

@@ -16,6 +16,9 @@ public class WriterItemStackMetaFireworkEffect extends WriterAbstractItemStackMe
 		this.setMaterial(Material.FIREWORK_CHARGE);
 		this.setConverterTo(ConverterToFireworkEffect.get());
 		this.setConverterFrom(ConverterFromFireworkEffect.get());
+		this.addDependencyClasses(
+			WriterFireworkEffect.class
+		);
 	}
 	
 	// -------------------------------------------- //

src/com/massivecraft/massivecore/item/WriterItemStackMetaFireworkEffects.java

@@ -18,6 +18,9 @@ public class WriterItemStackMetaFireworkEffects extends WriterAbstractItemStackM
 		this.setMaterial(Material.FIREWORK);
 		this.setConverterTo(ConverterToFireworkEffects.get());
 		this.setConverterFrom(ConverterFromFireworkEffects.get());
+		this.addDependencyClasses(
+			WriterFireworkEffect.class
+		);
 	}
 	
 	// -------------------------------------------- //

src/com/massivecraft/massivecore/item/WriterItemStackMetaPotionEffects.java

@@ -18,6 +18,9 @@ public class WriterItemStackMetaPotionEffects extends WriterAbstractItemStackMet
 		this.setMaterial(Material.POTION);
 		this.setConverterTo(ConverterToPotionEffects.get());
 		this.setConverterFrom(ConverterFromPotionEffects.get());
+		this.addDependencyClasses(
+			WriterPotionEffect.class
+		);
 	}
 	
 	// -------------------------------------------- //

src/com/massivecraft/massivecore/item/WriterItemStackMetaState.java

@@ -8,18 +8,9 @@ public class WriterItemStackMetaState extends WriterAbstractItemStackMetaStateMo
 	
 	private static final WriterItemStackMetaState i = new WriterItemStackMetaState();
 	public static WriterItemStackMetaState get() { return i; }
-	
+	public WriterItemStackMetaState()
-	// -------------------------------------------- //
-	// ACTIVE
-	// -------------------------------------------- //
-	
-	@Override
-	public void setActiveInner(boolean active)
 	{
-		if ( ! active) return;
+		this.addWriterClasses(
-		this.clearWriters();
-		
-		this.addWriters(
 			// SHIELD
 			WriterItemStackMetaStateShieldBase.class,
 			WriterItemStackMetaStateShieldPatterns.class

src/com/massivecraft/massivecore/item/WriterItemStackMetaStateShieldPatterns.java

@@ -18,6 +18,9 @@ public class WriterItemStackMetaStateShieldPatterns extends WriterAbstractItemSt
 		this.setMaterial(Material.SHIELD);
 		this.setConverterTo(ConverterToBannerPatterns.get());
 		this.setConverterFrom(ConverterFromBannerPatterns.get());
+		this.addDependencyClasses(
+			WriterBannerPattern.class
+		);
 	}
 	
 	// -------------------------------------------- //

src/com/massivecraft/massivecore/item/WriterPotionEffect.java

@@ -8,18 +8,9 @@ public class WriterPotionEffect extends WriterAbstractPotionEffect<Object, Objec
 	
 	private static final WriterPotionEffect i = new WriterPotionEffect();
 	public static WriterPotionEffect get() { return i; }
-	
+	public WriterPotionEffect()
-	// -------------------------------------------- //
-	// ACTIVE
-	// -------------------------------------------- //
-	
-	@Override
-	public void setActiveInner(boolean active)
 	{
-		if ( ! active) return;
+		this.addWriterClasses(
-		this.clearWriters();
-		
-		this.addWriters(
 			WriterPotionEffectId.class,
 			WriterPotionEffectDuraction.class,
 			WriterPotionEffectAmplifier.class,
@@ -27,7 +18,6 @@ public class WriterPotionEffect extends WriterAbstractPotionEffect<Object, Objec
 			WriterPotionEffectParticles.class,
 			WriterPotionEffectColor.class
 		);
-
 	}
 	
 }

src/com/massivecraft/massivecore/nms/NmsItemStack.java

@@ -61,7 +61,7 @@ public class NmsItemStack extends NmsAbstract
 		// Fill
 		if (this.isAvailable())
 		{
-			ret = ReflectionUtil.invokeConstructor(this.constructorCraftItemStack, (Object[])null);
+			ret = ReflectionUtil.invokeConstructor(this.constructorCraftItemStack, (Object)null);
 		}
 		else
 		{

src/com/massivecraft/massivecore/util/ReflectionUtil.java

@@ -117,6 +117,11 @@ public class ReflectionUtil
 		}
 	}
 	
+	public static <T> T invokeMethod(Method method, Object target, Object argument)
+	{
+		return invokeMethod(method, target, new Object[]{argument});
+	}
+	
 	@SuppressWarnings("unchecked")
 	public static <T> T invokeMethod(Method method, Object target)
 	{
@@ -160,6 +165,11 @@ public class ReflectionUtil
 		}
 	}
 	
+	public static <T> T invokeConstructor(Constructor<?> constructor, Object argument)
+	{
+		return invokeConstructor(constructor, new Object[]{argument});
+	}
+	
 	@SuppressWarnings("unchecked")
 	public static <T> T invokeConstructor(Constructor<?> constructor)
 	{