Added a changeling magic particle effect

src/main/java/com/minelittlepony/unicopia/UParticles.java

@@ -3,6 +3,7 @@ package com.minelittlepony.unicopia;
 import com.minelittlepony.unicopia.particle.Particles;
 import com.minelittlepony.unicopia.particle.client.EntityMagicFX;
 import com.minelittlepony.unicopia.particle.client.EntityRaindropFX;
+import com.minelittlepony.unicopia.particle.client.ParticleChanglingMagic;
 
 import net.minecraftforge.fml.relauncher.Side;
 import net.minecraftforge.fml.relauncher.SideOnly;
@@ -11,10 +12,12 @@ public class UParticles {
 
     public static int MAGIC_PARTICLE;
     public static int RAIN_PARTICLE;
+    public static int CHANGELING_MAGIC;
 
     @SideOnly(Side.CLIENT)
     static void init() {
         MAGIC_PARTICLE = Particles.instance().registerParticle(EntityMagicFX::new);
         RAIN_PARTICLE = Particles.instance().registerParticle(EntityRaindropFX::new);
+        CHANGELING_MAGIC = Particles.instance().registerParticle(ParticleChanglingMagic::new);
     }
 }

src/main/java/com/minelittlepony/unicopia/particle/client/ParticleChanglingMagic.java

@@ -0,0 +1,33 @@
+package com.minelittlepony.unicopia.particle.client;
+
+import net.minecraft.client.particle.ParticlePortal;
+import net.minecraft.world.World;
+
+public class ParticleChanglingMagic extends ParticlePortal {
+
+    private int baseTextureIndex = 128;
+
+    public ParticleChanglingMagic(int id, World w, double x, double y, double z, double vX, double vY, double vZ, int... args) {
+        this(w, x, y, z, vX, vY, vZ);
+    }
+
+    public ParticleChanglingMagic(World world, double x, double y, double z, double dx, double dy, double dz) {
+        super(world, x, y, z, dx, dy, dz);
+
+        float intensity = rand.nextFloat() * 0.6F + 0.4F;
+
+        particleRed = intensity * 0.5F;
+        particleGreen = intensity;
+        particleBlue = intensity * 0.4f;
+
+        setParticleTextureIndex((int)(Math.random() * 8.0D));
+    }
+
+    @Override
+    public void onUpdate() {
+        setParticleTextureIndex(baseTextureIndex + (7 - particleAge * 8 / particleMaxAge));
+
+        super.onUpdate();
+    }
+
+}

src/main/java/com/minelittlepony/unicopia/power/PowerDisguise.java

@@ -54,12 +54,12 @@ public class PowerDisguise extends PowerFeed {
     @Override
     public void preApply(IPlayer player) {
         player.addEnergy(2);
-        IPower.spawnParticles(UParticles.MAGIC_PARTICLE, player, 5);
+        IPower.spawnParticles(UParticles.CHANGELING_MAGIC, player, 5);
     }
 
     @Override
     public void postApply(IPlayer player) {
         player.setEnergy(0);
-        IPower.spawnParticles(UParticles.MAGIC_PARTICLE, player, 5);
+        IPower.spawnParticles(UParticles.CHANGELING_MAGIC, player, 5);
     }
 }

src/main/java/com/minelittlepony/unicopia/spell/SpellDisguise.java

@@ -11,7 +11,6 @@ import net.minecraft.entity.Entity;
 import net.minecraft.entity.EntityList;
 import net.minecraft.entity.EntityLiving;
 import net.minecraft.entity.EntityLivingBase;
-import net.minecraft.entity.passive.EntityChicken;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.inventory.EntityEquipmentSlot;
 import net.minecraft.nbt.NBTTagCompound;