Add mirage spell

src/main/java/electroblob/wizardry/WizardryEventHandler.java

@@ -210,6 +210,12 @@ public final class WizardryEventHandler {
 				}
 			}
 
+			// Mirage
+			if(event.getTarget().isPotionActive(WizardryPotions.mirage)){
+				// Can't find players under mirage at all! (Pretty sure this excludes revenge-targeting)
+				((EntityLiving)event.getEntityLiving()).setAttackTarget(null);
+			}
+
 			// Blindness tweak
 			// I'm not going as far as potion core's implementation, this is just so it does *something* to mobs
 			if(event.getEntityLiving().isPotionActive(MobEffects.BLINDNESS) && !Loader.isModLoaded("potioncore")

src/main/java/electroblob/wizardry/client/renderer/effect/RenderMirage.java

@@ -0,0 +1,45 @@
+package electroblob.wizardry.client.renderer.effect;
+
+import electroblob.wizardry.registry.WizardryPotions;
+import net.minecraft.client.renderer.GlStateManager;
+import net.minecraft.client.renderer.GlStateManager.DestFactor;
+import net.minecraft.client.renderer.GlStateManager.SourceFactor;
+import net.minecraftforge.client.event.RenderLivingEvent;
+import net.minecraftforge.fml.common.Mod.EventBusSubscriber;
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
+import net.minecraftforge.fml.relauncher.Side;
+
+import java.util.Random;
+
+@EventBusSubscriber(Side.CLIENT)
+public class RenderMirage {
+
+	private static final int BLINK_PERIOD_1 = 47; // Use two prime numbers to make it look as chaotic as possible
+	private static final int BLINK_PERIOD_2 = 71;
+
+	private static final double MAX_OFFSET = 3;
+
+	private static final Random random = new Random(); // Seed will be set later
+
+	@SubscribeEvent
+	public static void onRenderLivingEvent(RenderLivingEvent.Pre<?> event){
+		if(event.getEntity().isPotionActive(WizardryPotions.mirage)){
+			random.setSeed(event.getEntity().ticksExisted / BLINK_PERIOD_1
+						 + event.getEntity().ticksExisted / BLINK_PERIOD_2);
+			GlStateManager.pushMatrix();
+			GlStateManager.blendFunc(SourceFactor.SRC_ALPHA, DestFactor.ONE); // GhoOOoOostly OooOOOo00oOOo
+			GlStateManager.color(1, 1, 1, 0.5f);
+			GlStateManager.translate((random.nextDouble() * 2 - 1) * MAX_OFFSET,
+					(random.nextDouble() * 2 - 1) * MAX_OFFSET, (random.nextDouble() * 2 - 1) * MAX_OFFSET);
+		}
+	}
+
+	@SubscribeEvent
+	public static void onRenderLivingEvent(RenderLivingEvent.Post<?> event){
+		if(event.getEntity().isPotionActive(WizardryPotions.mirage)){
+			GlStateManager.blendFunc(SourceFactor.SRC_ALPHA, DestFactor.ONE_MINUS_SRC_ALPHA);
+			GlStateManager.popMatrix();
+		}
+	}
+
+}

src/main/java/electroblob/wizardry/registry/Spells.java

@@ -468,6 +468,7 @@ public final class Spells {
 		registry.register(new WitheringTotem());
 		registry.register(new Fangs());
 		registry.register(new GuardianBeam());
+		registry.register(new SpellBuff("mirage", 0.64f, 0.47f, 0.9f, () -> WizardryPotions.mirage));
 		registry.register(new RadiantTotem());
 
 		registry.register(new Firestorm());

src/main/java/electroblob/wizardry/registry/WizardryPotions.java

@@ -56,6 +56,7 @@ public final class WizardryPotions {
 	public static final Potion containment = placeholder();
 	public static final Potion frost_step = placeholder();
 	public static final Potion mark_of_sacrifice = placeholder();
+	public static final Potion mirage = placeholder();
 
 	/**
 	 * Sets both the registry and unlocalised names of the given potion, then registers it with the given registry. Use
@@ -194,6 +195,12 @@ public final class WizardryPotions {
 		registerPotion(registry, "mark_of_sacrifice", new PotionMagicEffect(true, 0xe90e48,
 				new ResourceLocation(Wizardry.MODID, "textures/gui/potion_icons/mark_of_sacrifice.png")));
 
+		registerPotion(registry, "mirage", new PotionMagicEffectParticles(false, 0, // No particles or we'll see the player's actual position!
+				new ResourceLocation(Wizardry.MODID, "textures/gui/potion_icons/mirage.png")){
+			@Override
+			public void spawnCustomParticle(World world, double x, double y, double z){} // We only want the syncing
+		}.setBeneficial());
+
 	}
 
 }

src/main/resources/assets/ebwizardry/lang/en_gb.lang

@@ -891,6 +891,7 @@ spell.ebwizardry\:meteor=Meteor
 spell.ebwizardry\:mind_control=Mind Control
 spell.ebwizardry\:mind_trick=Mind Trick
 spell.ebwizardry\:mine=Mine
+spell.ebwizardry\:mirage=Mirage
 spell.ebwizardry\:muffle=Muffle
 spell.ebwizardry\:none=[Empty Slot]
 spell.ebwizardry\:oakflesh=Oakflesh
@@ -1078,6 +1079,7 @@ spell.ebwizardry\:meteor.desc=Some wizards just want to see the world burn...
 spell.ebwizardry\:mind_control.desc=Takes control of the target's mind for 30 seconds, causing it switch sides and fight for the caster instead. Will not work on creatures that are too strong-willed.
 spell.ebwizardry\:mind_trick.desc=Confuses and disorients the target for 15 seconds, rendering it unable to attack effectively. The effect will be dispelled if the target takes damage.
 spell.ebwizardry\:mine.desc=Breaks the block the caster is looking at. Potency will allow harder blocks to be broken.
+spell.ebwizardry\:mirage.desc=Creates an illusion where the caster appears to be a few blocks away from their actual position, blinking around every few seconds. The illusion lasts for 20 seconds.
 spell.ebwizardry\:muffle.desc=Silences any sounds made by the caster for 30 seconds. When muffled, mobs can only detect you when looking towards you.
 spell.ebwizardry\:none.desc=To get a spell book with the /give command, use id\: /give [player] ebwizardry\:spell_book 1 [spell id] (if you found this book in a chest, some other mod has messed things up).
 spell.ebwizardry\:oakflesh.desc=Improves the caster's damage resistance for 30 seconds.
@@ -1251,6 +1253,7 @@ potion.ebwizardry\:curse_of_enfeeblement=Curse of Enfeeblement
 potion.ebwizardry\:curse_of_undeath=Curse of Undeath
 potion.ebwizardry\:containment=Containment
 potion.ebwizardry\:frost_step=Frost Step
+potion.ebwizardry\:mirage=Mirage
 
 enchantment.ebwizardry\:magic_sword=Imbuement
 enchantment.ebwizardry\:magic_bow=Imbuement

src/main/resources/assets/ebwizardry/lang/en_us.lang

@@ -891,6 +891,7 @@ spell.ebwizardry\:meteor=Meteor
 spell.ebwizardry\:mind_control=Mind Control
 spell.ebwizardry\:mind_trick=Mind Trick
 spell.ebwizardry\:mine=Mine
+spell.ebwizardry\:mirage=Mirage
 spell.ebwizardry\:muffle=Muffle
 spell.ebwizardry\:none=[Empty Slot]
 spell.ebwizardry\:oakflesh=Oakflesh
@@ -1078,6 +1079,7 @@ spell.ebwizardry\:meteor.desc=Some wizards just want to see the world burn...
 spell.ebwizardry\:mind_control.desc=Takes control of the target's mind for 30 seconds, causing it switch sides and fight for the caster instead. Will not work on creatures that are too strong-willed.
 spell.ebwizardry\:mind_trick.desc=Confuses and disorients the target for 15 seconds, rendering it unable to attack effectively. The effect will be dispelled if the target takes damage.
 spell.ebwizardry\:mine.desc=Breaks the block the caster is looking at. Potency will allow harder blocks to be broken.
+spell.ebwizardry\:mirage.desc=Creates an illusion where the caster appears to be a few blocks away from their actual position, blinking around every few seconds. The illusion lasts for 20 seconds.
 spell.ebwizardry\:muffle.desc=Silences any sounds made by the caster for 30 seconds. When muffled, mobs can only detect you when looking towards you.
 spell.ebwizardry\:none.desc=To get a spell book with the /give command, use id\: /give [player] ebwizardry\:spell_book 1 [spell id] (if you found this book in a chest, some other mod has messed things up).
 spell.ebwizardry\:oakflesh.desc=Improves the caster's damage resistance for 30 seconds.
@@ -1251,6 +1253,7 @@ potion.ebwizardry\:curse_of_enfeeblement=Curse of Enfeeblement
 potion.ebwizardry\:curse_of_undeath=Curse of Undeath
 potion.ebwizardry\:containment=Containment
 potion.ebwizardry\:frost_step=Frost Step
+potion.ebwizardry\:mirage=Mirage
 
 enchantment.ebwizardry\:magic_sword=Imbuement
 enchantment.ebwizardry\:magic_bow=Imbuement

src/main/resources/assets/ebwizardry/spells/mirage.json

@@ -0,0 +1,23 @@
+{
+  "enabled": {
+    "book": true,
+    "scroll": true,
+    "wands": true,
+    "npcs": true,
+    "dispensers": true,
+    "commands": true,
+    "treasure": true,
+	"trades": true,
+    "looting": true
+  },
+  "tier": "advanced",
+  "element": "sorcery",
+  "type": "alteration",
+  "cost": 40,
+  "chargeup": 10,
+  "cooldown": 200,
+  "base_properties": {
+    "mirage_duration": 400,
+    "mirage_strength": 0
+  }
+}