Added a very festive surprise

src/main/java/com/minelittlepony/model/gear/ChristmasHat.java

@@ -0,0 +1,102 @@
+package com.minelittlepony.model.gear;
+
+import net.minecraft.client.renderer.GlStateManager;
+import net.minecraft.entity.Entity;
+import net.minecraft.util.ResourceLocation;
+import net.minecraft.util.math.MathHelper;
+
+import com.minelittlepony.model.BodyPart;
+import com.minelittlepony.model.capabilities.IModel;
+import com.minelittlepony.pony.data.PonyWearable;
+import com.minelittlepony.render.model.PonyRenderer;
+import com.minelittlepony.util.render.Color;
+
+import java.util.Calendar;
+
+public class ChristmasHat extends AbstractGear {
+
+    private static final ResourceLocation TEXTURE = new ResourceLocation("minelittlepony", "textures/models/antlers.png");
+
+    private PonyRenderer left;
+    private PonyRenderer right;
+
+    private int tint;
+
+    @Override
+    public void init(float yOffset, float stretch) {
+        this.boxList.clear();
+
+        left = new PonyRenderer(this, 0, 0).size(16, 8)
+                .around(-7, 0.5F, 0.5F)
+                .offset(-7, 0, 0)
+                .at(3, -4, 0)
+                .box(0, 0, 0, 7, 1, 1, stretch)
+                .tex(0, 2).box(0, -1, 0, 1, 1, 1, stretch)
+                .tex(4, 2).box(2, -1, 0, 1, 1, 1, stretch)
+                .tex(8, 2).box(4, -1, 0, 1, 1, 1, stretch);
+
+        right = new PonyRenderer(this, 0, 4).size(16, 8)
+                .around(7, 0.5F, 0.5F)
+                .offset(0, 0, 0)
+                .at(-3, -4, 0)
+                .box(0, 0, 0, 7, 1, 1, stretch)
+                .tex(0, 6).box(6, -1, 0, 1, 1, 1, stretch)
+                .tex(4, 6).box(4, -1, 0, 1, 1, 1, stretch)
+                .tex(8, 6).box(2, -1, 0, 1, 1, 1, stretch);
+    }
+
+    @Override
+    public boolean canRender(IModel model, Entity entity) {
+        return isChristmasDay() || model.isWearing(PonyWearable.ANTLERS);
+    }
+
+    @Override
+    public void setLivingAnimations(IModel model, Entity entity) {
+        tint = model.getMetadata().getGlowColor();
+    }
+
+    @Override
+    public void setRotationAndAngles(boolean rainboom, float move, float swing, float bodySwing, float ticks) {
+        float pi = PI * (float) Math.pow(swing, 16);
+
+        float mve = move * 0.6662f;
+        float srt = swing / 10;
+
+        bodySwing = MathHelper.cos(mve + pi) * srt;
+
+        bodySwing += 0.1F;
+
+        left.rotateAngleZ = bodySwing;
+        right.rotateAngleZ = -bodySwing;
+    }
+
+    private boolean isChristmasDay() {
+        Calendar cal = Calendar.getInstance();
+
+        return cal.get(Calendar.MONTH) == Calendar.DECEMBER && cal.get(Calendar.DAY_OF_MONTH) == 25;
+    }
+
+    @Override
+    public BodyPart getGearLocation() {
+        return BodyPart.HEAD;
+    }
+
+    @Override
+    public ResourceLocation getTexture(Entity entity) {
+        return TEXTURE;
+    }
+
+    @Override
+    public void renderPart(float scale) {
+        GlStateManager.pushAttrib();
+        if (tint != 0) {
+            Color.glColor(tint, 1);
+        }
+
+        left.render(scale);
+        right.render(scale);
+
+        GlStateManager.popAttrib();
+    }
+
+}

src/main/java/com/minelittlepony/model/gear/SaddleBags.java

@@ -104,7 +104,6 @@ public class SaddleBags extends AbstractGear {
         dropAmount = hangLow ? 0.15F : 0;
     }
 
-
     public void sethangingLow(boolean veryLow) {
         hangLow = veryLow;
     }

src/main/java/com/minelittlepony/pony/data/PonyWearable.java

@@ -5,9 +5,10 @@ import java.util.List;
 
 public enum PonyWearable implements ITriggerPixelMapped<PonyWearable> {
     NONE(0),
-    SADDLE_BAGS(200),
     MUFFIN(50),
     HAT(100),
+    ANTLERS(150),
+    SADDLE_BAGS(200),
     STETSON(250);
 
     private int triggerValue;

src/main/java/com/minelittlepony/render/layer/LayerGear.java

@@ -11,6 +11,7 @@ import com.google.common.collect.Lists;
 import com.minelittlepony.ducks.IRenderPony;
 import com.minelittlepony.model.AbstractPonyModel;
 import com.minelittlepony.model.BodyPart;
+import com.minelittlepony.model.gear.ChristmasHat;
 import com.minelittlepony.model.gear.IGear;
 import com.minelittlepony.model.gear.IStackable;
 import com.minelittlepony.model.gear.Muffin;
@@ -28,7 +29,8 @@ public class LayerGear<T extends EntityLivingBase> extends AbstractPonyLayer<T>
             new SaddleBags(),
             new WitchHat(),
             new Muffin(),
-            new Stetson()
+            new Stetson(),
+            new ChristmasHat()
     );
 
     public <R extends RenderLivingBase<T> & IRenderPony<T>> LayerGear(R renderer) {