Context handlers

src/main/java/com/volmit/iris/Iris.java

@@ -195,6 +195,10 @@ public class Iris extends VolmitPlugin implements Listener {
         return v;
     }
 
+    public static KList<Object> initialize(String s) {
+        return initialize(s, null);
+    }
+
     private void fixShading() {
         ShadeFix.fix(ComponentSerializer.class);
     }

src/main/java/com/volmit/iris/util/decree/DecreeContextHandler.java

@@ -0,0 +1,31 @@
+package com.volmit.iris.util.decree;
+
+import com.volmit.iris.Iris;
+import com.volmit.iris.util.collection.KMap;
+import com.volmit.iris.util.plugin.VolmitSender;
+
+public interface DecreeContextHandler<T> {
+    static KMap<Class<?>, DecreeContextHandler<?>> contextHandlers = buildContextHandlers();
+
+    static KMap<Class<?>, DecreeContextHandler<?>> buildContextHandlers() {
+        KMap<Class<?>, DecreeContextHandler<?>> contextHandlers = new KMap<>();
+
+        try
+        {
+            Iris.initialize("com.volmit.iris.util.decree.handlers.context").forEach((i)
+                    -> contextHandlers.put(((DecreeContextHandler<?>)i).getType(), (DecreeContextHandler<?>)i));
+        }
+
+        catch(Throwable e)
+        {
+            Iris.reportError(e);
+            e.printStackTrace();
+        }
+
+        return contextHandlers;
+    }
+
+    Class<T> getType();
+
+    T handle(VolmitSender sender);
+}

src/main/java/com/volmit/iris/util/decree/DecreeParameter.java

@@ -98,4 +98,8 @@ public class DecreeParameter {
 
         return f.getRandom();
     }
+
+    public boolean isContextual() {
+        return param.contextual();
+    }
 }

src/main/java/com/volmit/iris/util/decree/annotations/Param.java

@@ -55,4 +55,9 @@ public @interface Param {
      * If someone uses /plugin foo bar=baz and you specify alias="b" here, /plugin foo b=baz will do the exact same.
      */
     String[] aliases() default "";
+
+    /**
+     * Attempts to dynamically pull context from the player, default data or something else for supported types
+     */
+    boolean contextual() default false;
 }

src/main/java/com/volmit/iris/util/decree/handlers/context/BiomeContextHandler.java

@@ -0,0 +1,23 @@
+package com.volmit.iris.util.decree.handlers.context;
+
+import com.volmit.iris.core.tools.IrisToolbelt;
+import com.volmit.iris.engine.object.biome.IrisBiome;
+import com.volmit.iris.engine.object.dimensional.IrisDimension;
+import com.volmit.iris.util.decree.DecreeContextHandler;
+import com.volmit.iris.util.plugin.VolmitSender;
+
+public class BiomeContextHandler implements DecreeContextHandler<IrisBiome> {
+    public Class<IrisBiome> getType(){return IrisBiome.class;}
+
+    public IrisBiome handle(VolmitSender sender)
+    {
+        if(sender.isPlayer()
+                && IrisToolbelt.isIrisWorld(sender.player().getWorld())
+                && IrisToolbelt.access(sender.player().getWorld()).getEngine() != null)
+        {
+            return IrisToolbelt.access(sender.player().getWorld()).getEngine().getBiome(sender.player().getLocation());
+        }
+
+        return null;
+    }
+}

src/main/java/com/volmit/iris/util/decree/handlers/context/DimensionContextHandler.java

@@ -0,0 +1,24 @@
+package com.volmit.iris.util.decree.handlers.context;
+
+import com.volmit.iris.Iris;
+import com.volmit.iris.core.tools.IrisToolbelt;
+import com.volmit.iris.engine.object.dimensional.IrisDimension;
+import com.volmit.iris.util.decree.DecreeContextHandler;
+import com.volmit.iris.util.plugin.VolmitSender;
+import org.bukkit.World;
+
+public class DimensionContextHandler implements DecreeContextHandler<IrisDimension> {
+    public Class<IrisDimension> getType(){return IrisDimension.class;}
+
+    public IrisDimension handle(VolmitSender sender)
+    {
+        if(sender.isPlayer()
+                && IrisToolbelt.isIrisWorld(sender.player().getWorld())
+                && IrisToolbelt.access(sender.player().getWorld()).getEngine() != null)
+        {
+            return IrisToolbelt.access(sender.player().getWorld()).getEngine().getDimension();
+        }
+
+        return null;
+    }
+}

src/main/java/com/volmit/iris/util/decree/handlers/context/RegionContextHandler.java

@@ -0,0 +1,23 @@
+package com.volmit.iris.util.decree.handlers.context;
+
+import com.volmit.iris.core.tools.IrisToolbelt;
+import com.volmit.iris.engine.object.biome.IrisBiome;
+import com.volmit.iris.engine.object.regional.IrisRegion;
+import com.volmit.iris.util.decree.DecreeContextHandler;
+import com.volmit.iris.util.plugin.VolmitSender;
+
+public class RegionContextHandler implements DecreeContextHandler<IrisRegion> {
+    public Class<IrisRegion> getType(){return IrisRegion.class;}
+
+    public IrisRegion handle(VolmitSender sender)
+    {
+        if(sender.isPlayer()
+                && IrisToolbelt.isIrisWorld(sender.player().getWorld())
+                && IrisToolbelt.access(sender.player().getWorld()).getEngine() != null)
+        {
+            return IrisToolbelt.access(sender.player().getWorld()).getEngine().getRegion(sender.player().getLocation());
+        }
+
+        return null;
+    }
+}

src/main/java/com/volmit/iris/util/decree/handlers/context/WorldContextHandler.java

@@ -0,0 +1,14 @@
+package com.volmit.iris.util.decree.handlers.context;
+
+import com.volmit.iris.util.decree.DecreeContextHandler;
+import com.volmit.iris.util.plugin.VolmitSender;
+import org.bukkit.World;
+
+public class WorldContextHandler implements DecreeContextHandler<World> {
+    public Class<World> getType(){return World.class;}
+
+    public World handle(VolmitSender sender)
+    {
+        return sender.isPlayer() ? sender.player().getWorld() : null;
+    }
+}

src/main/java/com/volmit/iris/util/decree/virtual/VirtualDecreeCommand.java

@@ -22,10 +22,7 @@ import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
-import com.volmit.iris.util.decree.DecreeContext;
+import com.volmit.iris.util.decree.*;
-import com.volmit.iris.util.decree.DecreeNode;
-import com.volmit.iris.util.decree.DecreeParameter;
-import com.volmit.iris.util.decree.DecreeSystem;
 import com.volmit.iris.util.decree.annotations.Decree;
 import com.volmit.iris.util.decree.exceptions.DecreeParsingException;
 import com.volmit.iris.util.decree.exceptions.DecreeWhichException;
@@ -35,6 +32,7 @@ import com.volmit.iris.util.plugin.VolmitSender;
 import com.volmit.iris.util.scheduling.J;
 import lombok.Data;
 import lombok.Getter;
+import org.apache.logging.log4j.core.impl.ThrowableFormatOptions;
 
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
@@ -490,13 +488,44 @@ public class VirtualDecreeCommand {
                 }
             }
 
-            if(value == null)
+            if(i.isContextual() && value == null)
             {
-                if(i.isRequired())
+                DecreeContextHandler<?> ch = DecreeContextHandler.contextHandlers.get(i.getType());
+
+                if(ch != null)
                 {
-                    sender.sendMessage("Missing: " + i.getName() + " (" + i.getType().getSimpleName() + ") as the " + Form.getNumberSuffixThStRd(vm+1) + " argument.");
+                    value = ch.handle(sender);
-                    return false;
+
+                    if(value != null)
+                    {
+                        Iris.debug("Null Parameter " + i.getName() + " derived a value of " + i.getHandler().toStringForce(value) + " from " + ch.getClass().getSimpleName());
                     }
+
+                    else
+                    {
+                        Iris.debug("Null Parameter " + i.getName() + " could not derive a value from " + ch.getClass().getSimpleName());
+                    }
+                }
+
+                else
+                {
+                    Iris.debug("Null Parameter " + i.getName() + " is contextual but has no context handler for " + i.getType().getCanonicalName());
+                }
+            }
+
+            if(i.hasDefault() && value == null)
+            {
+                try {
+                    Iris.debug("Null Parameter " + i.getName() + " is using default value " + i.getParam().defaultValue());
+                    value = i.getDefaultValue();
+                } catch (Throwable e) {
+                    e.printStackTrace();
+                }
+            }
+
+            if(i.isRequired() && value == null) {
+                sender.sendMessage("Missing: " + i.getName() + " (" + i.getType().getSimpleName() + ") as the " + Form.getNumberSuffixThStRd(vm + 1) + " argument.");
+                return false;
             }
 
             params[vm] = value;