Move the snout, bat wings, and tail to json

src/main/java/com/minelittlepony/client/model/armour/ModelPonyArmour.java

@@ -7,10 +7,10 @@ import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.entity.LivingEntity;
 
 import com.minelittlepony.client.model.AbstractPonyModel;
+import com.minelittlepony.client.util.render.Part;
 import com.minelittlepony.model.IModel;
 import com.minelittlepony.model.armour.ArmourVariant;
 import com.minelittlepony.model.armour.IArmour;
-import com.minelittlepony.mson.api.model.MsonPart;
 
 public class ModelPonyArmour<T extends LivingEntity> extends AbstractPonyModel<T> implements IArmour {
 
@@ -77,7 +77,7 @@ public class ModelPonyArmour<T extends LivingEntity> extends AbstractPonyModel<T
     @Deprecated
     protected void initEars(ModelPart head, float yOffset, float stretch) {
         stretch /= 2;
-        head.tex(0, 0).box(-4, -6, 1, 2, 2, 2, stretch)  // right ear
+        ((Part)head).tex(0, 0).box(-4, -6, 1, 2, 2, 2, stretch)  // right ear
             .tex(0, 4).box( 2, -6, 1, 2, 2, 2, stretch); // left ear
     }
 
@@ -91,7 +91,7 @@ public class ModelPonyArmour<T extends LivingEntity> extends AbstractPonyModel<T
 
         // fits the legacy player's torso to our pony bod.
         upperTorso = new com.minelittlepony.client.util.render.Part(this, 24, 0);
-        ((MsonPart)upperTorso).offset(BODY_CENTRE_X, BODY_CENTRE_Y, BODY_CENTRE_Z)
+        ((Part)upperTorso).offset(BODY_CENTRE_X, BODY_CENTRE_Y, BODY_CENTRE_Z)
                   .around(HEAD_RP_X, HEAD_RP_Y + yOffset, HEAD_RP_Z)
                   .tex(32, 23).east( 4, -4, -4, 8, 8, stretch)
                               .west(-4, -4, -4, 8, 8, stretch)

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

@@ -6,7 +6,6 @@ import com.minelittlepony.model.IModel;
 import com.minelittlepony.model.IPegasus;
 import com.minelittlepony.pony.meta.Race;
 import com.minelittlepony.pony.meta.Wearable;
-import com.mojang.blaze3d.platform.GlStateManager;
 
 import java.util.UUID;
 
@@ -33,7 +32,7 @@ public class SaddleBags extends AbstractGear {
 
     private IModel model;
 
-    @Override
+    @Deprecated
     public void init(float yOffset, float stretch) {
         leftBag = new Part(this, 56, 19);
         rightBag = new Part(this, 56, 19);
@@ -43,7 +42,7 @@ public class SaddleBags extends AbstractGear {
         int x = 4;
         int z = -1;
 
-        strap.offset(-x, y + 0.2F, z + 3).around(0, 4, 4)
+        ((Part)strap).offset(-x, y + 0.2F, z + 3).around(0, 4, 4)
         .tex(56, 31).top(0, 0, 0, 8, 1, stretch)
                     .top(0, 0, 1, 8, 1, stretch)
                   .south(0, 0, 2, 8, 1, stretch)
@@ -55,7 +54,7 @@ public class SaddleBags extends AbstractGear {
                    .west(-4.0002F, -1, 0, 1, 3, stretch)
                 .pitch = ROTATE_270;
 
-        leftBag.offset(x, y, z).around(0, 4, 4)
+        ((Part)leftBag).offset(x, y, z).around(0, 4, 4)
                 .tex(56, 25).south(0, 0, 0, 3, 6, stretch)
                 .tex(59, 25).south(0, 0, 8, 3, 6, stretch)
                 .tex(56, 19) .west(3, 0, 0, 6, 8, stretch)
@@ -67,7 +66,7 @@ public class SaddleBags extends AbstractGear {
 
         x += 3;
 
-        rightBag.offset(-x, y, z).around(0, 4, 4).flipX()
+        ((Part)rightBag).offset(-x, y, z).around(0, 4, 4).flipX()
                 .tex(56, 25).south(0, 0, 0, 3, 6, stretch)
                 .tex(59, 25).south(0, 0, 8, 3, 6, stretch)
                 .tex(56, 19).west(3, 0, 0, 6, 8, stretch)

src/main/java/com/minelittlepony/client/model/gear/WitchHat.java

@@ -10,18 +10,16 @@ import com.minelittlepony.model.IModel;
 import com.minelittlepony.model.gear.IStackable;
 import com.minelittlepony.pony.meta.Wearable;
 
-import java.util.UUID;
-
 public class WitchHat extends AbstractGear implements IStackable {
 
     private static final Identifier WITCH_TEXTURES = new Identifier("textures/entity/witch.png");
 
     private ModelPart witchHat;
 
-    @Override
+    @Deprecated
     public void init(float yOffset, float stretch) {
         accept(witchHat = new Part(this).size(64, 128));
-        witchHat.around(HEAD_RP_X, HEAD_RP_Y + yOffset, HEAD_RP_Z)
+        ((Part)witchHat).around(HEAD_RP_X, HEAD_RP_Y + yOffset, HEAD_RP_Z)
                 .tex(0, 64).box(-5, -6, -7, 10, 2, 10, stretch)
                 .child(0).around(1.75F, -4, 2)
                     .tex(0, 76).box(-5, -5, -7, 7, 4, 7, stretch)

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

@@ -6,19 +6,10 @@ import net.minecraft.client.util.math.MatrixStack;
 
 import com.minelittlepony.model.IPegasus;
 
-import com.mojang.blaze3d.platform.GlStateManager;
-
 import java.util.UUID;
 
 public class BatWings<T extends Model & IPegasus> extends PegasusWings<T> {
 
-    @Deprecated
-    public void init(float yOffset, float stretch) {
-        /*leftWing = new Wing(pegasus, false, false, yOffset, stretch, 16);
-        rightWing = new Wing(pegasus, true, false, yOffset, stretch, 16);
-        legacyWing = rightWing;*/
-    }
-
     @Override
     public void renderPart(MatrixStack stack, VertexConsumer vertices, int overlayUv, int lightUv, float red, float green, float blue, float alpha, UUID interpolatorId) {
         stack.push();
@@ -30,50 +21,6 @@ public class BatWings<T extends Model & IPegasus> extends PegasusWings<T> {
     }
 
     public static class Wing extends PegasusWings.Wing {
-
-        @Deprecated
-        protected void addClosedWing(boolean right, float y, float scale) {
-            float x = right ? -3.5F : 3.5F;
-
-            folded.around(HEAD_RP_X - 0.5F, WING_FOLDED_RP_Y + y - 1, WING_FOLDED_RP_Z - 2)
-                  .mirror(right)
-                  .tex(56, 16).box(x * 0.9F, 5, 4, 1, 4, 1, scale)
-                  .tex(56, 16).box(x, 5, 6, 1, 7, 1, scale)
-                              .box(x, 5, 5, 1, 6, 1, scale)
-                  .tex(56, 16).box(x * 0.9F, 5, 7, 1, 7, 1, scale)
-                  .pitch = ROTATE_90;
-        }
-
-        @Deprecated
-        protected void addFeathers(boolean right, float rotationPointY) {
-            float r = right ? -1 : 1;
-
-            extended.around((r * (EXT_WING_RP_X - 2)), EXT_WING_RP_Y + rotationPointY - 1, EXT_WING_RP_Z - 3)
-                    .mirror(right)
-                    .yaw = r * 3;
-
-            extended.child().tex(60, 16)
-                    .mirror(right)  // children are unaware of their parents being mirrored, sadly
-                    .rotate(0.1F, 0, 0)
-                    .box(-0.5F, -1, 0, 1, 8, 1, 0.001F)  // this was enough to fix z-fighting
-                    .child().tex(60, 16)
-                        .mirror(right)
-                        .rotate(-0.5F, 0, 0)
-                        .around(0, -1, -2)
-                        .box(-0.5F, 0, 2, 1, 7, 1, 0);
-            extended.child(0)
-                    .child().tex(60, 16)
-                        .mirror(right)
-                        .rotate(-0.5F, 0, 0)
-                        .around(0, 4, -2.4F)
-                        .box(-0.5F, 0, 3, 1, 7, 1, 0);
-
-            extended.child(0).child(new Part(pegasus) //skin
-                    .tex(56, 32)
-                    .mirror(right)
-                    .west(0, 0, -7, 16, 8, 0));
-        }
-
         @Override
         public void rotateWalking(float swing) {
             folded.yaw = swing * 0.05F;

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

@@ -1,12 +1,10 @@
 package com.minelittlepony.client.model.part;
 
-import net.minecraft.client.model.Model;
 import net.minecraft.client.model.ModelPart;
 import net.minecraft.client.render.VertexConsumer;
 import net.minecraft.client.util.math.MatrixStack;
 
 import com.minelittlepony.client.MineLittlePony;
-import com.minelittlepony.client.util.render.Part;
 import com.minelittlepony.model.ICapitated;
 import com.minelittlepony.model.IPart;
 import com.minelittlepony.mson.api.model.MsonPart;
@@ -21,44 +19,13 @@ public class PonySnout implements IPart {
     private ModelPart mare;
     private ModelPart stallion;
 
-    private final ICapitated<ModelPart> head;
+    private ICapitated<ModelPart> head;
-
-    public <T extends Model & ICapitated<ModelPart>> PonySnout(T pony, int y, int z) {
-        head = pony;
-
-        mare = new Part(pony).offset(HEAD_CENTRE_X, HEAD_CENTRE_Y + y, HEAD_CENTRE_Z + z + 0.25F);
-        stallion = new Part(pony).offset(HEAD_CENTRE_X, HEAD_CENTRE_Y + y, HEAD_CENTRE_Z + z);
-
-        pony.getHead().addChild(stallion);
-        pony.getHead().addChild(mare);
-    }
 
     public void rotate(float x, float y, float z) {
         ((MsonPart)mare).rotate(x, y, z);
         ((MsonPart)stallion).rotate(x, y, z);
     }
 
-    @Deprecated
-    public void init(float yOffset, float stretch) {
-        mare.around(HEAD_RP_X, HEAD_RP_Y + yOffset, HEAD_RP_Z)
-            .tex(10, 14).south(-2, 2, -5, 4, 2, stretch)
-            .tex(11, 13).south(-1, 1, -5, 2, 1, stretch)
-            .tex(9, 14)   .top(-2, 2, -5, 1, 1, stretch)
-            .tex(14, 14)  .top( 1, 2, -5, 1, 1, stretch)
-            .tex(11, 12)  .top(-1, 1, -5, 2, 1, stretch)
-            .tex(18, 7).bottom(-2, 4, -5, 4, 1, stretch)
-            .tex(9, 14)  .west(-2, 2, -5, 2, 1, stretch)
-            .tex(14, 14) .east( 2, 2, -5, 2, 1, stretch)
-            .tex(11, 12) .west(-1, 1, -5, 1, 1, stretch)
-            .tex(12, 12) .east( 1, 1, -5, 1, 1, stretch);
-        stallion.around(HEAD_RP_X, HEAD_RP_Y + yOffset, HEAD_RP_Z)
-                .tex(10, 13).south(-2, 1, -5, 4, 3, stretch)
-                .tex(10, 13)  .top(-2, 1, -5, 4, 1, stretch)
-                .tex(18, 7).bottom(-2, 4, -5, 4, 1, stretch)
-                .tex(10, 13) .west(-2, 1, -5, 3, 1, stretch)
-                .tex(13, 13) .east( 2, 1, -5, 3, 1, stretch);
-    }
-
     @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/PonyTail.java

@@ -7,14 +7,11 @@ import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.util.math.MathHelper;
 
 import com.minelittlepony.client.model.AbstractPonyModel;
-import com.minelittlepony.client.util.render.Part;
 import com.minelittlepony.model.IPart;
 
 import java.util.UUID;
 
-public class PonyTail extends Part implements IPart {
+public class PonyTail extends ModelPart implements IPart {
-
-    private static final int SEGMENTS = 4;
 
     private final AbstractPonyModel<?> theModel;
 
@@ -23,10 +20,6 @@ public class PonyTail extends Part implements IPart {
     public PonyTail(AbstractPonyModel<?> model) {
         super(model);
         theModel = model;
-
-        for (int i = 0; i < SEGMENTS; i++) {
-            addChild(new TailSegment(theModel, i));
-        }
     }
 
     @Override
@@ -80,34 +73,24 @@ public class PonyTail extends Part implements IPart {
         render(stack, vertices, overlayUv, lightUv, red, green, blue, alpha);
     }
 
-    private class TailSegment extends ModelPart {
+    private static class Segment extends ModelPart {
 
-        private final int index;
+        public PonyTail tail;
 
-        public TailSegment(Model model, int index) {
+        int index;
+
+        public Segment(Model model) {
             super(model);
+        }
+
+        public void setOwner(int index, PonyTail tail) {
             this.index = index;
-
+            this.tail = tail;
-            pivotY = ((float)index)/4 + 0.063f;
-
-            int texX = (index % 2) * 4;
-
-            around(TAIL_RP_X, TAIL_RP_Y, 0);
-
-            if (index == 0) {
-                tex(32, 0).top(-2, 0, 2, 4, 4, 0);
-            }
-
-            tex(36, texX) .east( 2, 0, 2, 4, 4, 0)
-                          .west(-2, 0, 2, 4, 4, 0);
-            tex(32, texX).south(-2, 0, 2, 4, 4, 0)
-                         .north(-2, 0, 6, 4, 4, 0);
-            tex(32, 0)  .bottom(-2, 4, 2, 4, 4, 0);
         }
 
         @Override
         public void render(MatrixStack stack, VertexConsumer renderContext, int overlayUv, int lightUv, float red, float green, float blue, float alpha) {
-            if (index < tailStop) {
+            if (index < tail.tailStop) {
                 super.render(stack, renderContext, overlayUv, lightUv, red, green, blue, alpha);
             }
         }

src/main/java/com/minelittlepony/client/util/render/Part.java

@@ -3,10 +3,15 @@ package com.minelittlepony.client.util.render;
 import net.minecraft.client.model.Model;
 import net.minecraft.client.model.ModelPart;
 
+import com.minelittlepony.mson.api.ModelContext;
+import com.minelittlepony.mson.api.model.BoxBuilder;
+import com.minelittlepony.mson.api.model.BoxBuilder.ContentAccessor;
+import com.minelittlepony.mson.api.model.Face;
 import com.minelittlepony.mson.api.model.MsonPart;
+import com.minelittlepony.mson.api.model.QuadsBuilder;
 
 @Deprecated
-public class Part extends ModelPart implements MsonPart {
+public class Part extends ModelPart implements MsonPart, ModelContext {
 
     public Part(Model model) {
         super(model);
@@ -16,4 +21,160 @@ public class Part extends ModelPart implements MsonPart {
         super(model, texX, texY);
     }
 
+    @Deprecated
+    public Part child() {
+        return this;
+    }
+
+    @Deprecated
+    public Part flipX() {
+        return this;
+    }
+
+    @Deprecated
+    public Part flipZ() {
+        return this;
+    }
+
+    @Deprecated
+    public Part child(int i) {
+        return this;
+    }
+
+    @Deprecated
+    public Part child(Part prt) {
+        return prt;
+    }
+
+    @Deprecated
+    public Part mirror(boolean m) {
+        this.mirror = m;
+        return this;
+    }
+
+    @Deprecated
+    public Part size(int u, int v) {
+        this.setTextureSize(u, v);
+        return this;
+    }
+
+    @Deprecated
+    public Part tex(int u, int v) {
+        this.setTextureOffset(u, v);
+        return this;
+    }
+
+    @Override
+    @Deprecated
+    public Part offset(float x, float y, float z) {
+        return this;
+    }
+
+    @Override
+    @Deprecated
+    public Part around(float x, float y, float z) {
+        this.setPivot(x, y, z);
+        return this;
+    }
+    @Override
+    @Deprecated
+    public Part rotate(float x, float y, float z) {
+        MsonPart.super.rotate(x, y, z);
+        return this;
+    }
+
+    @Deprecated
+    public Part face(float x, float y, float z, int w, int h, float stretch, Face face) {
+        ((ContentAccessor)this).cubes().add(new BoxBuilder(this)
+            .pos(face.transformPosition(new float[] {x,  y, z}, this))
+            .size(face.getAxis(), new int[] {w, h})
+            .stretch(stretch, stretch, stretch)
+            .build(QuadsBuilder.plane(face)));
+        return this;
+    }
+
+    @Deprecated
+    public Part box(float x, float y, float z, int w, int h, int d, float stretch) {
+        ((ContentAccessor)this).cubes().add(new BoxBuilder(this)
+                .pos(x,  y, z)
+                .size(w, h, d)
+                .stretch(stretch, stretch, stretch)
+                .build());
+        return this;
+    }
+
+    @Deprecated
+    public Part east(float x, float y, float z, int w, int h, float stretch) {
+        return face(x, y, z, w, h, stretch, Face.EAST);
+    }
+
+    @Deprecated
+    public Part west(float x, float y, float z, int w, int h, float stretch) {
+        return face(x, y, z, w, h, stretch, Face.WEST);
+    }
+
+    @Deprecated
+    public Part north(float x, float y, float z, int w, int h, float stretch) {
+        return face(x, y, z, w, h, stretch, Face.NORTH);
+    }
+
+    @Deprecated
+    public Part south(float x, float y, float z, int w, int h, float stretch) {
+        return face(x, y, z, w, h, stretch, Face.SOUTH);
+    }
+
+    @Deprecated
+    public Part top(float x, float y, float z, int w, int h, float stretch) {
+        return face(x, y, z, w, h, stretch, Face.UP);
+    }
+
+    @Deprecated
+    public Part bottom(float x, float y, float z, int w, int h, float stretch) {
+        return face(x, y, z, w, h, stretch, Face.DOWN);
+    }
+
+    @Override
+    public Model getModel() {
+        return null;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public <T> T getContext() throws ClassCastException {
+        return (T)this;
+    }
+
+    @Override
+    public Locals getLocals() {
+        return null;
+    }
+
+    @Override
+    public float getScale() {
+        return 0;
+    }
+
+    @Override
+    public <T> T computeIfAbsent(String name, ContentSupplier<T> supplier) {
+        return null;
+    }
+
+    @Override
+    public <T> T findByName(String name) {
+        return null;
+    }
+
+    @Override
+    public void findByName(String name, ModelPart output) {
+    }
+
+    @Override
+    public ModelContext getRoot() {
+        return this;
+    }
+
+    @Override
+    public ModelContext resolve(Object child) {
+        return this;
+    }
 }

src/main/resources/assets/minelittlepony/models/components/bat_wings.json

@@ -4,7 +4,54 @@
 		"name": "wings",
 		"implementation": "com.minelittlepony.client.model.part.BatWings$Wing",
 		"content": {
-			"__comment": "TODO"
+			"folded": {
+				"texture": {"u": 56, "v": 16},
+				"rotate": [1.571, 0, 0],
+				"center": [-0.5, 13, -4],
+				"cubes": [
+					{ "from": [3.15, 5, 4], "size": [1, 4, 1] },
+					{ "from": [ 3.5, 5, 6], "size": [1, 7, 1] },
+					{ "from": [ 3.5, 5, 5], "size": [1, 6, 1] },
+					{ "from": [3.15, 5, 7], "size": [1, 7, 1] }
+				]
+			},
+			"extended": {
+				"texture": {"u": 56, "v": 19},
+				"center": [2.5, 5.3, 3],
+				"rotate": [3, 0, 0],
+				"children": [
+					{
+						"texture": {"u": 60, "v": 16},
+						"rotate": [0.1, 0, 0],
+						"cubes": [
+							{ "from": [-0.5, -1, 0], "size": [1, 8, 1], "stretch": 0.001 }
+						],
+						"children": [
+							{
+								"texture": {"u": 60, "v": 16},
+								"rotate": [-0.5, 0, 0],
+								"center": [0, -1, -2],
+								"cubes": [
+									{ "from": [-0.5, 0, 2], "size": [1, 7, 1] }
+								]
+							},
+							{
+								"texture": {"u": 60, "v": 16},
+								"rotate": [-0.5, 0, 0],
+								"center": [0, 4, -2.4],
+								"cubes": [
+									{ "from": [-0.5, 0, 3], "size": [1, 7, 1] }
+								]
+							},
+							{
+								"type": "mson:planar",
+								"texture": {"u": 56, "v": 32},
+								"west": [0, 0, -7, 16, 8, 0]
+							}
+						]
+					}
+				]
+			}
 		}
 	},
 	"right_wing": {
@@ -12,7 +59,59 @@
 		"name": "wings",
 		"implementation": "com.minelittlepony.client.model.part.BatWings$Wing",
 		"content": {
-			"__comment": "TODO"
+			"folded": {
+				"texture": {"u": 56, "v": 16},
+				"rotate": [1.571, 0, 0],
+				"center": [-0.5, 13, -4],
+				"mirror": true,
+				"cubes": [
+					{ "from": [-3.15, 5, 4], "size": [1, 4, 1] },
+					{ "from": [ -3.5, 5, 6], "size": [1, 7, 1] },
+					{ "from": [ -3.5, 5, 5], "size": [1, 6, 1] },
+					{ "from": [-3.15, 5, 7], "size": [1, 7, 1] }
+				]
+			},
+			"extended": {
+				"texture": {"u": 56, "v": 19},
+				"center": [-2.5, 5.3, 3],
+				"rotate": [-3, 0, 0],
+				"mirror": true,
+				"children": [
+					{
+						"texture": {"u": 60, "v": 16},
+						"rotate": [0.1, 0, 0],
+						"cubes": [
+							{ "from": [-0.5, -1, 0], "size": [1, 8, 1], "stretch": 0.001 }
+						],
+						"children": [
+							{
+								"texture": {"u": 60, "v": 16},
+								"rotate": [-0.5, 0, 0],
+								"center": [0, -1, -2],
+								"mirror": true,
+								"cubes": [
+									{ "from": [-0.5, 0, 2], "size": [1, 7, 1] }
+								]
+							},
+							{
+								"texture": {"u": 60, "v": 16},
+								"rotate": [-0.5, 0, 0],
+								"center": [0, 4, -2.4],
+								"mirror": true,
+								"cubes": [
+									{ "from": [-0.5, 0, 3], "size": [1, 7, 1] }
+								]
+							},
+							{
+								"type": "mson:planar",
+								"texture": {"u": 56, "v": 32},
+								"mirror": true,
+								"west": [0, 0, -7, 16, 8, 0]
+							}
+						]
+					}
+				]
+			}
 		}
 	},
 	"legacy_right_wing": "#right_wing"

src/main/resources/assets/minelittlepony/models/components/snout.json

@@ -0,0 +1,34 @@
+{
+	"texture": {"w": 16, "h": 8},
+	"stallion": {
+		"type": "mson:planar",
+		"offset": [0, -1, -2],
+		"south": [-2, 1, -5, 4, 3, 10, 13],
+		"up":    [-2, 1, -5, 4, 1, 10, 13],
+		"down":  [-2, 4, -5, 4, 1, 18, 7],
+		"west":  [-2, 1, -5, 3, 1, 10, 13],
+		"east":  [ 2, 1, -5, 3, 1, 13, 13]
+	},
+	"mare": {
+		"type": "mson:planar",
+		"offset": [0, -1, -1.75],
+		"south": [
+			[-2, 2, -5, 4, 2, 10, 14],
+			[-1, 1, -5, 2, 1, 11, 13]
+		],
+		"up": [
+			[-2, 2, -5, 1, 1,  9, 14],
+			[ 1, 2, -5, 1, 1, 14, 14],
+			[-1, 1, -5, 2, 1, 11, 12]
+		],
+		"down": [-2, 4, -5, 4, 1, 18, 7],
+		"west": [
+			[-2, 2, -5, 2, 1,  9, 14],
+			[-1, 1, -5, 1, 1, 11, 12]
+		],
+		"east": [
+			[ 2, 2, -5, 2, 1, 14, 14],
+			[ 1, 1, -5, 1, 1, 12, 12]
+		]
+	}
+}

src/main/resources/assets/minelittlepony/models/components/tail.json

@@ -0,0 +1,30 @@
+{
+	"texture": {"w": 64, "h": 64},
+	"locals": {
+		"segments": 4
+	},
+	"segment_0": {
+		"type": "mson:slot",
+		"implementation": "com.minelittlepony.client.model.part.PonyTail$Segment",
+		"locals": { "segment_index": 0 },
+		"content": "minelittlepony:components/tail_segment"
+	},
+	"segment_1": {
+		"type": "mson:slot",
+		"implementation": "com.minelittlepony.client.model.part.PonyTail$Segment",
+		"locals": { "segment_index": 1 },
+		"content": "minelittlepony:components/tail_segment"
+	},
+	"segment_2": {
+		"type": "mson:slot",
+		"implementation": "com.minelittlepony.client.model.part.PonyTail$Segment",
+		"locals": { "segment_index": 2 },
+		"content": "minelittlepony:components/tail_segment"
+	},
+	"segment_3": {
+		"type": "mson:slot",
+		"implementation": "com.minelittlepony.client.model.part.PonyTail$Segment",
+		"locals": { "segment_index": 3 },
+		"content": "minelittlepony:components/tail_segment"
+	}
+}

src/main/resources/assets/minelittlepony/models/components/tail_segment.json

@@ -0,0 +1,18 @@
+{
+	"texture": {"w": 64, "h": 64},
+	"locals": {
+		"segment_index": 0,
+		"segment_y": [["#segment_index", "/", 4], "+", 0.063],
+		"tex_x": [["#segment_index", "%", 2], "*", 4]
+	},
+	"segment": {
+		"type": "mson:planar",
+		"center": [0, "#segment_y", 0],
+		"up":   [-2, 0, 2, 4, 4, 32, 0],
+		"east": [ 2, 0, 2, 4, 4, 36, "#tex_x"],
+		"west": [-2, 0, 2, 4, 4, 36, "#tex_x"],
+		"south":[-2, 0, 2, 4, 4, 32, "#tex_x"],
+		"north":[-2, 0, 6, 4, 4, 32, "#tex_x"],
+		"down": [-2, 4, 2, 4, 4, 32, 0]
+	}
+}