Convert the parts to mson

src/main/java/com/minelittlepony/client/model/part/PegasusWings.java

@@ -8,11 +8,13 @@ import net.minecraft.util.math.MathHelper;
 
 import com.minelittlepony.model.IPart;
 import com.minelittlepony.model.IPegasus;
+import com.minelittlepony.mson.api.ModelContext;
+import com.minelittlepony.mson.api.MsonModel;
 import com.minelittlepony.pony.meta.Wearable;
 
 import java.util.UUID;
 
-public class PegasusWings<T extends Model & IPegasus> implements IPart {
+public class PegasusWings<T extends Model & IPegasus> implements IPart, MsonModel {
 
     protected T pegasus;
 
@@ -21,6 +23,14 @@ public class PegasusWings<T extends Model & IPegasus> implements IPart {
 
     protected Wing legacyWing;
 
+
+    @Override
+    public void init(ModelContext context) {
+        leftWing = context.findByName("left_wing");
+        rightWing = context.findByName("right_wing");
+        legacyWing = context.findByName("legacy_right_wing");
+    }
+
     public Wing getLeft() {
         return leftWing;
     }
@@ -72,13 +82,20 @@ public class PegasusWings<T extends Model & IPegasus> implements IPart {
         getRight().render(stack, vertices, overlayUv, lightUv, red, green, blue, alpha);
     }
 
-    public static class Wing {
+    public static class Wing implements MsonModel {
 
         protected IPegasus pegasus;
 
         protected ModelPart extended;
         protected ModelPart folded;
 
+        @Override
+        public void init(ModelContext context) {
+            pegasus = (IPegasus)context.getModel();
+            extended = context.findByName("extended");
+            folded = context.findByName("folded");
+        }
+
         public void rotateWalking(float swing) {
             folded.yaw = swing * 0.15F;
         }

src/main/java/com/minelittlepony/client/model/part/PonyEars.java

@@ -5,14 +5,23 @@ import net.minecraft.client.render.VertexConsumer;
 import net.minecraft.client.util.math.MatrixStack;
 
 import com.minelittlepony.model.IPart;
+import com.minelittlepony.mson.api.ModelContext;
+import com.minelittlepony.mson.api.MsonModel;
 
 import java.util.UUID;
 
-public class PonyEars implements IPart {
+public class PonyEars implements IPart, MsonModel {
 
     private ModelPart right;
     private ModelPart left;
 
+
+    @Override
+    public void init(ModelContext context) {
+        right = context.findByName("right");
+        left = context.findByName("left");
+    }
+
     @Override
     public void renderPart(MatrixStack stack, VertexConsumer vertices, int overlayUv, int lightUv, float red, float green, float blue, float alpha, UUID interpolatorId) {
     }

src/main/java/com/minelittlepony/client/model/part/PonySnout.java

@@ -7,12 +7,14 @@ import net.minecraft.client.util.math.MatrixStack;
 import com.minelittlepony.client.MineLittlePony;
 import com.minelittlepony.model.ICapitated;
 import com.minelittlepony.model.IPart;
+import com.minelittlepony.mson.api.ModelContext;
+import com.minelittlepony.mson.api.MsonModel;
 import com.minelittlepony.mson.api.model.MsonPart;
 import com.minelittlepony.pony.meta.Gender;
 
 import java.util.UUID;
 
-public class PonySnout implements IPart {
+public class PonySnout implements IPart, MsonModel {
 
     private boolean visible = false;
 
@@ -21,6 +23,13 @@ public class PonySnout implements IPart {
 
     private ICapitated<ModelPart> head;
 
+    @Override
+    public void init(ModelContext context) {
+        head = context.getContext();
+        mare = context.findByName("mare");
+        stallion = context.findByName("stallion");
+    }
+
     public void rotate(float x, float y, float z) {
         ((MsonPart)mare).rotate(x, y, z);
         ((MsonPart)stallion).rotate(x, y, z);

src/main/java/com/minelittlepony/client/model/part/PonyTail.java

@@ -8,10 +8,13 @@ import net.minecraft.util.math.MathHelper;
 
 import com.minelittlepony.client.model.AbstractPonyModel;
 import com.minelittlepony.model.IPart;
+import com.minelittlepony.mson.api.ModelContext;
+import com.minelittlepony.mson.api.MsonModel;
 
 import java.util.UUID;
+import java.util.concurrent.ExecutionException;
 
-public class PonyTail extends ModelPart implements IPart {
+public class PonyTail extends ModelPart implements IPart, MsonModel {
 
     private final AbstractPonyModel<?> theModel;
 
@@ -22,6 +25,23 @@ public class PonyTail extends ModelPart implements IPart {
         theModel = model;
     }
 
+
+    @Override
+    public void init(ModelContext context) {
+        try {
+            int segments = context.getLocals().getValue("segments").get().intValue();
+
+            for (int i = 0; i < segments; i++) {
+                Segment segment = context.findByName("segment_" + i);
+                segment.index = i;
+                addChild(segment);
+            }
+
+        } catch (InterruptedException | ExecutionException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     @Override
     public void setRotationAndAngles(boolean rainboom, UUID interpolatorId, float move, float swing, float bodySwing, float ticks) {
         roll = rainboom ? 0 : MathHelper.cos(move * 0.8F) * 0.2f * swing;
@@ -73,19 +93,20 @@ public class PonyTail extends ModelPart implements IPart {
         render(stack, vertices, overlayUv, lightUv, red, green, blue, alpha);
     }
 
-    private static class Segment extends ModelPart {
+    private static class Segment extends ModelPart implements MsonModel {
 
         public PonyTail tail;
 
-        int index;
+        public int index;
 
         public Segment(Model model) {
             super(model);
         }
 
-        public void setOwner(int index, PonyTail tail) {
-            this.index = index;
-            this.tail = tail;
+        @Override
+        public void init(ModelContext context) {
+            tail = context.getContext();
+            context.findByName("segment", this);
         }
 
         @Override

src/main/java/com/minelittlepony/client/model/part/SeaponyTail.java

@@ -1,8 +1,9 @@
 package com.minelittlepony.client.model.part;
 
-import com.minelittlepony.client.model.AbstractPonyModel;
 import com.minelittlepony.client.model.IPonyModel;
 import com.minelittlepony.model.IPart;
+import com.minelittlepony.mson.api.ModelContext;
+import com.minelittlepony.mson.api.MsonModel;
 
 import java.util.UUID;
 
@@ -11,7 +12,7 @@ import net.minecraft.client.render.VertexConsumer;
 import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.util.math.MathHelper;
 
-public class SeaponyTail implements IPart {
+public class SeaponyTail implements IPart, MsonModel {
 
     private static final float TAIL_ROTX = PI / 2;
 
@@ -22,8 +23,12 @@ public class SeaponyTail implements IPart {
 
     private IPonyModel<?> model;
 
-    public SeaponyTail(AbstractPonyModel<?> model) {
-        this.model = model;
+    @Override
+    public void init(ModelContext context) {
+        model = (IPonyModel<?>)context.getModel();
+        tailBase = context.findByName("base");
+        tailTip = context.findByName("tip");
+        tailFins = context.findByName("fins");
     }
 
     @Override

src/main/java/com/minelittlepony/client/model/part/UnicornHorn.java

@@ -8,19 +8,27 @@ import net.minecraft.client.render.VertexConsumer;
 import net.minecraft.client.util.math.MatrixStack;
 
 import com.minelittlepony.model.IPart;
+import com.minelittlepony.mson.api.ModelContext;
+import com.minelittlepony.mson.api.MsonModel;
 import com.minelittlepony.util.math.Color;
 
 import javax.annotation.Nullable;
 
 import java.util.UUID;
 
-public class UnicornHorn implements IPart {
+public class UnicornHorn implements IPart, MsonModel {
 
     private ModelPart horn;
     private ModelPart glow;
 
     protected boolean visible = true;
 
+    @Override
+    public void init(ModelContext context) {
+        horn = context.findByName("bone");
+        glow = context.findByName("corona");
+    }
+
     @Override
     public void renderPart(MatrixStack stack, VertexConsumer vertices, int overlayUv, int lightUv, float red, float green, float blue, float alpha, @Nullable UUID interpolatorId) {
         if (visible) {