Add mind control targets blacklist config option

src/main/java/electroblob/wizardry/Settings.java

@@ -111,6 +111,11 @@ public final class Settings {
 	 * overriding the defaults and the whitelist.
 	 */
 	public String[] summonedCreatureTargetsBlacklist = {"creeper"};
+	/**
+	 * <b>[Server-only]</b> List of names of entities which are immune to the mind control spell, in addition to the
+	 * defaults.
+	 */
+	public String[] mindControlTargetsBlacklist = {};
 	/** <b>[Server-only]</b> Global damage scaling factor for all player magic damage. */
 	public double playerDamageScale = 1.0f;
 	/** <b>[Server-only]</b> Global damage scaling factor for all npc magic damage. */
@@ -497,6 +502,18 @@ public final class Settings {
 		alliesCommandName = property.getString();
 		propOrder.add(property.getName());
 
+		property = config.get(Configuration.CATEGORY_GENERAL, "mindControlTargetsBlacklist", new String[]{},
+				"List of names of entities which cannot be mind controlled, in addition to the defaults. Add creatures to this list if allowing them to be mind-controlled causes problems or could be exploited. Entity names are not case sensitive. For mod entities, prefix with the mod ID (e.g. " + Wizardry.MODID + ":wizard).");
+		property.setLanguageKey("config." + Wizardry.MODID + ".mind_control_targets_blacklist");
+		property.setRequiresWorldRestart(true);
+		// Wizardry.proxy.setToEntityNameEntry(property);
+		mindControlTargetsBlacklist = property.getStringList();
+		// Converts all strings in the list to lower case, to ignore case sensitivity, and trims them.
+		for(int i = 0; i < mindControlTargetsBlacklist.length; i++){
+			mindControlTargetsBlacklist[i] = mindControlTargetsBlacklist[i].toLowerCase(Locale.ROOT).trim();
+		}
+		propOrder.add(property.getName());
+
 		config.setCategoryPropertyOrder(Configuration.CATEGORY_GENERAL, propOrder);
 
 		// Resistances

src/main/java/electroblob/wizardry/spell/MindControl.java

@@ -1,6 +1,8 @@
 package electroblob.wizardry.spell;
 
+import java.util.Arrays;
 import java.util.List;
+import java.util.Locale;
 
 import electroblob.wizardry.Wizardry;
 import electroblob.wizardry.constants.Element;
@@ -14,6 +16,7 @@ import electroblob.wizardry.util.SpellModifiers;
 import electroblob.wizardry.util.WizardryParticleType;
 import electroblob.wizardry.util.WizardryUtilities;
 import net.minecraft.entity.Entity;
+import net.minecraft.entity.EntityList;
 import net.minecraft.entity.EntityLiving;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.entity.INpc;
@@ -143,7 +146,8 @@ public class MindControl extends Spell {
 	/** Returns true if the given entity can be mind controlled (i.e. is not a player, npc, evil wizard or boss). */
 	public static boolean canControl(EntityLivingBase target){
 		return target instanceof EntityLiving && target.isNonBoss() && !(target instanceof INpc)
-				&& !(target instanceof EntityEvilWizard);
+				&& !(target instanceof EntityEvilWizard) && !Arrays.asList(Wizardry.settings.summonedCreatureTargetsBlacklist)
+				.contains(EntityList.getKey(entity.getClass()).toString().toLowerCase(Locale.ROOT));
 	}
 
 	/**