Simplify model classes/interfaces by moving all these properties to a separate class

src/main/java/com/minelittlepony/client/PonyRenderManager.java

@@ -6,12 +6,12 @@ import java.util.function.Function;
 import com.google.common.collect.Maps;
 import com.minelittlepony.client.gui.hdskins.DummyPony;
 import com.minelittlepony.client.gui.hdskins.RenderDummyPony;
+import com.minelittlepony.client.model.IPonyModel;
 import com.minelittlepony.client.model.races.PlayerModels;
 import com.minelittlepony.client.render.LevitatingItemRenderer;
 import com.minelittlepony.client.render.IPonyRender;
 import com.minelittlepony.client.render.entities.MobRenderers;
 import com.minelittlepony.client.render.entities.player.RenderPonyPlayer;
-import com.minelittlepony.model.IPonyModel;
 
 import javax.annotation.Nullable;
 

src/main/java/com/minelittlepony/client/model/AbstractPonyModel.java

@@ -4,7 +4,6 @@ import com.minelittlepony.client.model.armour.ModelPonyArmour;
 import com.minelittlepony.client.model.armour.ArmourWrapper;
 import com.minelittlepony.client.model.components.PonySnout;
 import com.minelittlepony.client.model.components.PonyTail;
-import com.minelittlepony.client.pony.PonyData;
 import com.minelittlepony.client.transform.PonyTransformation;
 import com.minelittlepony.client.util.render.AbstractRenderer;
 import com.minelittlepony.client.util.render.PonyRenderer;
@@ -12,20 +11,14 @@ import com.minelittlepony.client.util.render.plane.PlaneRenderer;
 import com.minelittlepony.model.BodyPart;
 import com.minelittlepony.model.IPart;
 import com.minelittlepony.model.armour.IEquestrianArmour;
-import com.minelittlepony.pony.IPony;
-import com.minelittlepony.pony.IPonyData;
-import com.minelittlepony.pony.meta.Size;
-import com.minelittlepony.util.math.MathUtil;
 
 import net.minecraft.client.model.Cuboid;
-import net.minecraft.client.render.entity.model.BipedEntityModel;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.LivingEntity;
 import net.minecraft.util.AbsoluteHand;
 import net.minecraft.util.math.MathHelper;
-import net.minecraft.util.math.Vec3d;
 
-import java.util.UUID;
+import java.util.function.Consumer;
 
 import static com.mojang.blaze3d.platform.GlStateManager.*;
 
@@ -34,38 +27,11 @@ import static com.mojang.blaze3d.platform.GlStateManager.*;
  */
 public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPonyModel<T> {
 
-    public boolean isSleeping;
+    protected PlaneRenderer upperTorso;
-    public boolean isFlying;
+    protected PlaneRenderer neck;
-    public boolean isElytraFlying;
-    public boolean isSwimming;
-    public boolean isCrouching;
-    public boolean isRidingInteractive;
-    public boolean headGear;
 
-    /**
+    protected IPart tail;
-     * Associated pony data.
+    protected PonySnout snout;
-     */
-    private IPonyData metadata = new PonyData();
-
-    /**
-     * Vertical pitch whilst flying.
-     */
-    public float motionPitch;
-
-    /**
-     * Flag indicating that this model is performing a rainboom (flight).
-     */
-    protected boolean rainboom;
-
-    protected double motionLerp;
-
-    public PlaneRenderer upperTorso;
-    public PlaneRenderer neck;
-
-    public IPart tail;
-    public PonySnout snout;
-
-    public UUID interpolatorId;
 
     public AbstractPonyModel(boolean arms) {
         super(0, arms);
@@ -76,67 +42,37 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
         return new ArmourWrapper<>(new ModelPonyArmour<>(), new ModelPonyArmour<>());
     }
 
-    /**
-     * Checks flying and speed conditions and sets rainboom to true if we're a species with wings and is going faaast.
-     */
-    private void checkRainboom(T entity, float swing) {
-        Vec3d motion = entity.getVelocity();
-        double zMotion = Math.sqrt(motion.x * motion.x + motion.z * motion.z);
-
-        rainboom = (isFlying() && canFly()) || isElytraFlying();
-        rainboom &= zMotion > 0.4F;
-
-        motionLerp = MathUtil.clampLimit(zMotion * 30, 1);
-    }
-
-    @Override
-    public void updateLivingState(T entity, IPony pony) {
-        isChild = entity.isBaby();
-        isSneaking = entity.isSneaking();
-        isCrouching = pony.isCrouching(entity);
-        isSleeping = entity.isSleeping();
-        isFlying = pony.isFlying(entity);
-        isElytraFlying = entity.isFallFlying();
-        isSwimming = pony.isSwimming(entity);
-        headGear = pony.isWearingHeadgear(entity);
-        isRidingInteractive = pony.isRidingInteractive(entity);
-        interpolatorId = entity.getUuid();
-    }
-
     /**
      * Sets the model's various rotation angles.
      *
-     * @param move      Entity motion parameter - i.e. velocity in no specific direction used in bipeds to calculate step amount.
+     * @param move      Entity motion parameter
+     *                  i.e. velocity in no specific direction used in bipeds to calculate step amount.
      * @param swing     Degree to which each 'limb' swings.
-     * @param ticks     Total whole and partial ticks since the entity's existance. Used in animations together with {@code swing} and {@code move}.
+     * @param ticks     Total whole and partial ticks since the entity's existence.
+     *                  Used in animations together with {@code swing} and {@code move}.
      * @param headYaw   Horizontal head motion in radians.
      * @param headPitch Vertical head motion in radians.
-     * @param scale     Scaling factor used to render this model. Determined by the return value of {@link RenderLivingBase.prepareScale}. Usually {@code 0.0625F}.
+     * @param scale     Scaling factor used to render this model.
+     *                  Determined by the return value of {@link RenderLivingBase.prepareScale}.
+     *                  Usually {@code 0.0625F}.
      * @param entity    The entity we're being called for.
      */
     @Override
     public void setAngles(T entity, float move, float swing, float ticks, float headYaw, float headPitch, float scale) {
-        checkRainboom(entity, swing);
+        attributes.checkRainboom(entity, swing, canFly());
 
         super.setAngles(entity, move, swing, ticks, headYaw, headPitch, scale);
 
-        float headRotateAngleY = isSleeping() ? (Math.abs(entity.getUuid().getMostSignificantBits()) % 2.8F) - 1.9F : headYaw / 57.29578F;
+        updateHeadRotation(headYaw, headPitch);
-        float headRotateAngleX = isSleeping() ? 0.1f : headPitch / 57.29578F;
-
-        headRotateAngleX = Math.min(headRotateAngleX, (float) (0.5f - Math.toRadians(motionPitch)));
-        headRotateAngleX = Math.max(headRotateAngleX, (float) (-1.25f - Math.toRadians(motionPitch)));
-
-        updateHeadRotation(headRotateAngleX, headRotateAngleY);
-
         shakeBody(move, swing, getWobbleAmount(), ticks);
         rotateLegs(move, swing, ticks, entity);
 
-        if (!isSwimming() && !rainboom) {
+        if (!attributes.isSwimming && !attributes.isGoingFast) {
             holdItem(swing);
         }
         swingItem(entity);
 
-        if (isCrouching()) {
+        if (attributes.isCrouching) {
             ponyCrouch();
         } else if (isRiding) {
             ponyRide();
@@ -145,27 +81,17 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
 
             rightLeg.rotationPointY = FRONT_LEG_RP_Y_NOTSNEAK;
             leftLeg.rotationPointY = FRONT_LEG_RP_Y_NOTSNEAK;
-            swingArms(ticks);
+            animateBreathing(ticks);
-            setHead(0, 0, 0);
+            head.setRotationPoint(0, 0, 0);
         }
 
-        if (isSleeping) {
+        if (attributes.isSleeping) {
             ponySleep();
         }
 
         animateWears();
 
-        snout.setGender(metadata.getGender());
+        snout.setGender(getMetadata().getGender());
-    }
-
-    @Override
-    public float getWobbleAmount() {
-
-        if (getSwingAmount() <= 0) {
-            return 0;
-        }
-
-        return MathHelper.sin(MathHelper.sqrt(getSwingAmount()) * PI * 2) * 0.04F;
     }
 
     /**
@@ -173,7 +99,7 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
      */
     protected void ponyCrouch() {
         adjustBody(BODY_ROT_X_SNEAK, BODY_RP_Y_SNEAK, BODY_RP_Z_SNEAK);
-        setHead(0, 6, -2);
+        head.setRotationPoint(0, 6, -2);
 
         rightArm.pitch -= LEG_ROT_X_SNEAK_ADJ;
         leftArm.pitch -= LEG_ROT_X_SNEAK_ADJ;
@@ -189,7 +115,7 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
         rightLeg.pitch = ROTATE_90;
         leftLeg.pitch = ROTATE_90;
 
-        setHead(1, 2, isSneaking ? -1 : 1);
+        head.setRotationPoint(1, 2, isSneaking ? -1 : 1);
 
         AbstractRenderer.shiftRotationPoint(rightArm, 0, 2,  6);
         AbstractRenderer.shiftRotationPoint(leftArm,  0, 2,  6);
@@ -198,14 +124,14 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
     }
 
     protected void ponyRide() {
-        if (isRidingInteractive) {
+        if (attributes.isSitting) {
             adjustBodyComponents(BODY_ROT_X_RIDING * 2, BODY_RP_Y_RIDING, BODY_RP_Z_RIDING);
             adjustNeck(BODY_ROT_X_NOTSNEAK * 2, BODY_RP_Y_NOTSNEAK, BODY_RP_Z_NOTSNEAK - 4);
-            setHead(0, -2, -5);
+            head.setRotationPoint(0, -2, -5);
         } else {
             adjustBodyComponents(BODY_ROT_X_RIDING, BODY_RP_Y_RIDING, BODY_RP_Z_RIDING);
             adjustNeck(BODY_ROT_X_NOTSNEAK, BODY_RP_Y_NOTSNEAK, BODY_RP_Z_NOTSNEAK);
-            setHead(0, 0, 0);
+            head.setRotationPoint(0, 0, 0);
         }
 
         leftLeg.rotationPointZ = 15;
@@ -221,7 +147,7 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
         leftArm.roll = -PI * 0.06f;
         rightArm.roll = PI * 0.06f;
 
-        if (isRidingInteractive) {
+        if (attributes.isSitting) {
             leftLeg.yaw = PI / 15;
             leftLeg.pitch = PI / 9;
 
@@ -251,7 +177,7 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
      * @param ticks       Total whole and partial ticks since the entity's existance. Used in animations together with {@code swing} and {@code move}.
      */
     protected void shakeBody(float move, float swing, float bodySwing, float ticks) {
-        tail.setRotationAndAngles(isSwimming() || rainboom, interpolatorId, move, swing, bodySwing * 5, ticks);
+        tail.setRotationAndAngles(attributes.isSwimming || attributes.isGoingFast, attributes.interpolatorId, move, swing, bodySwing * 5, ticks);
 
         upperTorso.yaw = bodySwing;
         body.yaw = bodySwing;
@@ -264,29 +190,7 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
         leftLegOverlay.copyRotation(leftLeg);
         rightLegOverlay.copyRotation(rightLeg);
         bodyOverlay.copyRotation(body);
-    }
+        headwear.copyRotation(head);
-
-    @Override
-    public Cuboid getHead() {
-        return head;
-    }
-
-    @Override
-    public void setPitch(float pitch) {
-        motionPitch = pitch;
-    }
-
-    @Override
-    public float getPitch() {
-        return motionPitch;
-    }
-
-    /**
-     * Sets the head rotation point.
-     */
-    protected void setHead(float posX, float posY, float posZ) {
-        head.setRotationPoint(posX, posY, posZ);
-        headwear.setRotationPoint(posX, posY, posZ);
     }
 
     /**
@@ -295,9 +199,15 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
      * @param x     New rotation X
      * @param y     New rotation Y
      */
-    protected void updateHeadRotation(float x, float y) {
+    private void updateHeadRotation(float headYaw, float headPitch) {
-        headwear.yaw = head.yaw = y;
+
-        headwear.pitch = head.pitch = x;
+        head.yaw = attributes.isSleeping ? (Math.abs(attributes.interpolatorId.getMostSignificantBits()) % 2.8F) - 1.9F : headYaw / 57.29578F;
+
+        headPitch = attributes.isSleeping ? 0.1f : headPitch / 57.29578F;
+        headPitch = Math.min(headPitch, (float) (0.5f - Math.toRadians(attributes.motionPitch)));
+        headPitch = Math.max(headPitch, (float) (-1.25f - Math.toRadians(attributes.motionPitch)));
+
+        head.pitch = headPitch;
     }
 
     /**
@@ -308,9 +218,9 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
     *
     */
     protected void rotateLegs(float move, float swing, float ticks, T entity) {
-        if (isSwimming()) {
+        if (attributes.isSwimming) {
             rotateLegsSwimming(move, swing, ticks, entity);
-        } else if (isGoingFast()) {
+        } else if (attributes.isGoingFast) {
             rotateLegsInFlight(move, swing, ticks, entity);
         } else {
             rotateLegsOnGround(move, swing, ticks, entity);
@@ -319,14 +229,14 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
         float sin = MathHelper.sin(body.yaw) * 5;
         float cos = MathHelper.cos(body.yaw) * 5;
 
-        float spread = getLegSpread();
+        float spread = attributes.isGoingFast ? 2 : 1;
 
         rightArm.rotationPointZ = spread + sin;
         leftArm.rotationPointZ = spread - sin;
 
         float legRPX = cos - getLegOutset() - 0.001F;
 
-        legRPX = metadata.getInterpolator(entity.getUuid()).interpolate("legOffset", legRPX, 3);
+        legRPX = getMetadata().getInterpolator(attributes.interpolatorId).interpolate("legOffset", legRPX, 3);
 
         rightArm.rotationPointX = -legRPX;
         rightLeg.rotationPointX = -legRPX;
@@ -342,20 +252,16 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
     }
 
     /**
-     * Rotates legs in quopy fashion whilst swimming.
+     * Rotates legs in a quopy fashion whilst swimming.
-     *
-     * @param move      Entity motion parameter - i.e. velocity in no specific direction used in bipeds to calculate step amount.
-     * @param swing     Degree to which each 'limb' swings.
-     * @param ticks     Total whole and partial ticks since the entity's existance. Used in animations together with {@code swing} and {@code move}.
-     * @param entity    The entity we're being called for.
      *
+     * Takes the same parameters as {@link AbstractPonyModel.setRotationAndAngles}
      */
     protected void rotateLegsSwimming(float move, float swing, float ticks, T entity) {
 
-        float legLeft = (ROTATE_90 + MathHelper.sin((move / 3) + 2 * PI/3) / 2) * (float)motionLerp;
+        float legLeft = (ROTATE_90 + MathHelper.sin((move / 3) + 2 * PI/3) / 2) * (float)attributes.motionLerp;
 
-        float left = (ROTATE_90 + MathHelper.sin((move / 3) + 2 * PI) / 2) * (float)motionLerp;
+        float left = (ROTATE_90 + MathHelper.sin((move / 3) + 2 * PI) / 2) * (float)attributes.motionLerp;
-        float right = (ROTATE_90 + MathHelper.sin(move / 3) / 2) * (float)motionLerp;
+        float right = (ROTATE_90 + MathHelper.sin(move / 3) / 2) * (float)attributes.motionLerp;
 
         leftArm.pitch = -left;
         leftArm.yaw = -left/2;
@@ -375,15 +281,12 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
     /**
      * Rotates legs in quopy fashion whilst flying.
      *
-     * @param move      Entity motion parameter - i.e. velocity in no specific direction used in bipeds to calculate step amount.
+     * Takes the same parameters as {@link AbstractPonyModel.setRotationAndAngles}
-     * @param swing     Degree to which each 'limb' swings.
-     * @param ticks     Total whole and partial ticks since the entity's existance. Used in animations together with {@code swing} and {@code move}.
-     * @param entity    The entity we're being called for.
      *
      */
     protected void rotateLegsInFlight(float move, float swing, float ticks, Entity entity) {
-        float armX = rainboom ? ROTATE_270 : MathHelper.sin(-swing / 2);
+        float armX = attributes.isGoingFast ? ROTATE_270 : MathHelper.sin(-swing / 2);
-        float legX = rainboom ? ROTATE_90 : MathHelper.sin(swing / 2);
+        float legX = attributes.isGoingFast ? ROTATE_90 : MathHelper.sin(swing / 2);
 
         leftArm.pitch = armX;
         rightArm.pitch = armX;
@@ -404,10 +307,7 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
     /**
      * Rotates legs in quopy fashion for walking.
      *
-     * @param move      Entity motion parameter - i.e. velocity in no specific direction used in bipeds to calculate step amount.
+     * Takes the same parameters as {@link AbstractPonyModel.setRotationAndAngles}
-     * @param swing     Degree to which each 'limb' swings.
-     * @param ticks     Total whole and partial ticks since the entity's existance. Used in animations together with {@code swing} and {@code move}.
-     * @param entity    The entity we're being called for.
      *
      */
     protected void rotateLegsOnGround(float move, float swing, float ticks, T entity) {
@@ -433,25 +333,19 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
     }
 
     protected float getLegOutset() {
-        if (isSleeping()) {
+        if (attributes.isSleeping) {
             return 3.6f;
         }
 
-        if (isCrouching()) {
+        if (attributes.isCrouching) {
             return 1;
         }
 
         return 5;
     }
 
-    protected float getLegSpread() {
-        return rainboom ? 2 : 1;
-    }
-
     /**
-     * Adjusts legs as if holding an item. Delegates to the correct arm/leg/limb as neccessary.
+     * Adjusts legs as if holding an item. Delegates to the correct arm/leg/limb as necessary.
-     *
-     * @param swing
      */
     protected void holdItem(float swing) {
         boolean both = leftArmPose == ArmPose.ITEM && rightArmPose == ArmPose.ITEM;
@@ -490,7 +384,7 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
                 float mult = 1 - swag/2;
                 arm.pitch = arm.pitch * mult - (PI / 10) * swag;
                 arm.roll = -reflect * (PI / 15);
-                if (isCrouching()) {
+                if (attributes.isCrouching) {
                     arm.rotationPointX -= reflect * 2;
                 }
             case EMPTY:
@@ -504,7 +398,7 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
                 }
                 arm.rotationPointX += reflect;
                 arm.rotationPointZ += 3;
-                if (isCrouching()) {
+                if (attributes.isCrouching) {
                     arm.rotationPointY += 4;
                 }
                 break;
@@ -539,14 +433,13 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
         }
     }
 
-
     /**
      * Animates arm swinging. Delegates to the correct arm/leg/limb as neccessary.
      *
      * @param entity     The entity we are being called for.
      */
     protected void swingItem(T entity) {
-        if (getSwingAmount() > 0 && !isSleeping()) {
+        if (getSwingAmount() > 0 && !attributes.isSleeping) {
             AbsoluteHand mainSide = getPreferedHand(entity);
 
             swingArm(getArm(mainSide));
@@ -572,12 +465,13 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
     }
 
     /**
-     * Animates the walking animation.
+     * Animates the arm's breathing animation when holding items.
      *
-     * @param ticks       Total whole and partial ticks since the entity's existance. Used in animations together with {@code swing} and {@code move}.
+     * @param ticks       Total whole and partial ticks since the entity's existence.
+     *                    Used in animations together with {@code swing} and {@code move}.
      */
-    protected void swingArms(float ticks) {
+    protected void animateBreathing(float ticks) {
-        if (isSleeping()) {
+        if (attributes.isSleeping) {
             return;
         }
 
@@ -610,7 +504,7 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
         upperTorso.rotationPointZ = rotationPointZ;
     }
 
-    protected void adjustNeck(float rotateAngleX, float rotationPointY, float rotationPointZ) {
+    private void adjustNeck(float rotateAngleX, float rotationPointY, float rotationPointZ) {
         neck.setRotationPoint(NECK_ROT_X + rotateAngleX, rotationPointY, rotationPointZ);
     }
 
@@ -650,7 +544,6 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
         tail.init(yOffset, stretch);
     }
 
-
     /**
      * Creates the main torso and neck.
      */
@@ -716,12 +609,12 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
         preInitLegs();
         preInitLegwear();
 
-        int armLength = getArmLength();
+        int armLength = attributes.armLength;
-        int armWidth = getArmWidth();
+        int armWidth = attributes.armWidth;
-        int armDepth = getArmDepth();
+        int armDepth = attributes.armDepth;
 
-        float rarmX = getLegRotationX();
+        float rarmX = attributes.armRotationX;
-        float rarmY = getArmRotationY();
+        float rarmY = attributes.armRotationY;
 
         float armX = THIRDP_ARM_CENTRE_X;
         float armY = THIRDP_ARM_CENTRE_Y;
@@ -748,95 +641,6 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
         rightLegOverlay.addBox(armX - armWidth, armY, armZ, armWidth, armLength, armDepth, stretch + 0.25f);
     }
 
-    protected int getArmWidth() {
-        return 4;
-    }
-
-    protected int getArmDepth() {
-        return 4;
-    }
-
-    protected int getArmLength() {
-        return 12;
-    }
-
-    protected float getLegRotationX() {
-        return 3;
-    }
-
-    protected float getArmRotationY() {
-        return 8;
-    }
-
-    public ArmPose getArmPoseForSide(AbsoluteHand side) {
-        return side == AbsoluteHand.RIGHT ? rightArmPose : leftArmPose;
-    }
-
-    @Override
-    public IPonyData getMetadata() {
-        return metadata;
-    }
-
-    @Override
-    public void apply(IPonyData meta) {
-        metadata = meta;
-    }
-
-    @Override
-    public boolean isCrouching() {
-        return isCrouching;
-    }
-
-    @Override
-    public boolean isGoingFast() {
-        return rainboom;
-    }
-
-    @Override
-    public boolean hasHeadGear() {
-        return headGear;
-    }
-
-    @Override
-    public boolean isFlying() {
-        return isFlying && canFly();
-    }
-
-    @Override
-    public boolean isElytraFlying() {
-        return isElytraFlying;
-    }
-
-    @Override
-    public boolean isSleeping() {
-        return isSleeping;
-    }
-
-    @Override
-    public boolean isRiding() {
-        return isRiding;
-    }
-
-    @Override
-    public boolean isSwimming() {
-        return isSwimming;
-    }
-
-    @Override
-    public boolean isChild() {
-        return getSize() == Size.FOAL;
-    }
-
-    @Override
-    public Size getSize() {
-        return isChild ? Size.FOAL : getMetadata().getSize();
-    }
-
-    @Override
-    public float getSwingAmount() {
-        return handSwingProgress;
-    }
-
     @Override
     public float getRiderYOffset() {
 
@@ -853,11 +657,6 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
         }
     }
 
-    @Override
-    public float getModelHeight() {
-        return 2;
-    }
-
     /**
      * Sets the model's various rotation angles.
      *
@@ -871,41 +670,27 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
      */
     @Override
     public void render(T entity, float move, float swing, float ticks, float headYaw, float headPitch, float scale) {
+        renderStage(BodyPart.BODY, scale, this::renderBody);
+        renderStage(BodyPart.NECK, scale, this::renderNeck);
+        renderStage(BodyPart.HEAD, scale, this::renderHead);
+        renderStage(BodyPart.LEGS, scale, this::renderLegs);
 
+        if (textureHeight == 64) {
+            renderStage(BodyPart.LEGS, scale, this::renderSleeves);
+            renderStage(BodyPart.BODY, scale, this::renderVest);
+        }
+
+        renderStage(BodyPart.HEAD, scale, this::renderHelmet);
+    }
+
+    protected void renderStage(BodyPart part, float scale, Consumer<Float> action) {
         pushMatrix();
         transform(BodyPart.BODY);
-        renderBody(entity, move, swing, ticks, headYaw, headPitch, scale);
+        action.accept(scale);
-        popMatrix();
-
-        pushMatrix();
-        transform(BodyPart.NECK);
-        renderNeck(scale);
-        popMatrix();
-
-        pushMatrix();
-        transform(BodyPart.HEAD);
-        renderHead(entity, move, swing, ticks, headYaw, headPitch, scale);
-        popMatrix();
-
-        pushMatrix();
-        transform(BodyPart.LEGS);
-        renderLegs(scale);
-        popMatrix();
-
-        pushMatrix();
-        transform(BodyPart.HEAD);
-        renderHelmet(scale);
         popMatrix();
     }
 
-    /**
+    protected void renderHead(float scale) {
-     *
-     * Called to render the head.
-     *
-     * Takes the same parameters as {@link AbstractPonyModel.setRotationAndAngles}
-     *
-     */
-    protected void renderHead(T entity, float move, float swing, float ticks, float headYaw, float headPitch, float scale) {
         head.render(scale);
     }
 
@@ -918,23 +703,16 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
         neck.render(scale);
     }
 
-    /**
+    protected void renderBody(float scale) {
-    *
-    * Called to render the head.
-    *
-    * Takes the same parameters as {@link AbstractPonyModel.setRotationAndAngles}
-    *
-    */
-    protected void renderBody(T entity, float move, float swing, float ticks, float headYaw, float headPitch, float scale) {
         body.render(scale);
-        if (textureHeight == 64) {
-            bodyOverlay.render(scale);
-        }
-
         upperTorso.render(scale);
         body.applyTransform(scale);
-        tail.renderPart(scale, entity.getUuid());
+        tail.renderPart(scale, attributes.interpolatorId);
+    }
 
+    protected void renderVest(float scale) {
+        body.applyTransform(scale);
+        bodyOverlay.render(scale);
     }
 
     protected void renderLegs(float scale) {
@@ -946,10 +724,6 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
         rightArm.render(scale);
         leftLeg.render(scale);
         rightLeg.render(scale);
-
-        if (textureHeight == 64) {
-            renderSleeves(scale);
-        }
     }
 
     protected void renderSleeves(float scale) {
@@ -961,36 +735,15 @@ public abstract class AbstractPonyModel<T extends LivingEntity> extends ClientPo
 
     @Override
     public void transform(BodyPart part) {
-        if (isSleeping()) {
+        if (attributes.isSleeping) {
             rotatef(90, 1, 0, 0);
             rotatef(180, 0, 1, 0);
         }
 
         if (part == BodyPart.HEAD) {
-            rotatef(motionPitch, 1, 0, 0);
+            rotatef(attributes.motionPitch, 1, 0, 0);
         }
 
         PonyTransformation.forSize(getSize()).transform(this, part);
     }
-
-    /**
-     * Copies this model's attributes from some other.
-     */
-    @Override
-    public void setAttributes(BipedEntityModel<T> model) {
-        super.setAttributes(model);
-
-        if (model instanceof AbstractPonyModel) {
-            AbstractPonyModel<T> pony = (AbstractPonyModel<T>) model;
-            isFlying = pony.isFlying;
-            isCrouching = pony.isCrouching;
-            isElytraFlying = pony.isElytraFlying;
-            isSwimming = pony.isSwimming;
-            isSleeping = pony.isSleeping;
-            headGear = pony.headGear;
-            metadata = pony.metadata;
-            motionPitch = pony.motionPitch;
-            rainboom = pony.rainboom;
-        }
-    }
 }

src/main/java/com/minelittlepony/client/model/ClientPonyModel.java

@@ -1,19 +1,96 @@
 package com.minelittlepony.client.model;
 
 import net.minecraft.client.model.Cuboid;
+import net.minecraft.client.render.entity.model.BipedEntityModel;
 import net.minecraft.client.render.entity.model.PlayerEntityModel;
 import net.minecraft.entity.LivingEntity;
 
-import com.minelittlepony.model.IPonyModel;
+import com.minelittlepony.client.pony.PonyData;
+import com.minelittlepony.model.ModelAttributes;
+import com.minelittlepony.pony.IPony;
+import com.minelittlepony.pony.IPonyData;
+import com.minelittlepony.pony.meta.Size;
 
 import java.util.Random;
 
+/**
+ * The raw pony model without any implementations.
+ * Will act effectively the same as a normal player model without any hints
+ * of being cute and adorable.
+ *
+ * Modders can extend this class to make their own pony models if they wish.
+ */
 public abstract class ClientPonyModel<T extends LivingEntity> extends PlayerEntityModel<T> implements IPonyModel<T> {
 
+    /**
+     * The model attributes.
+     */
+    protected ModelAttributes<T> attributes = new ModelAttributes<>();
+
+    /**
+     * Associated pony data.
+     */
+    protected IPonyData metadata = new PonyData();
+
     public ClientPonyModel(float float_1, boolean boolean_1) {
         super(float_1, boolean_1);
     }
 
+    @Override
+    public void updateLivingState(T entity, IPony pony) {
+        isChild = entity.isBaby();
+        isSneaking = entity.isSneaking();
+        attributes.updateLivingState(entity, pony);
+    }
+
+    @Override
+    public ModelAttributes<?> getAttributes() {
+        return attributes;
+    }
+
+    @Override
+    public IPonyData getMetadata() {
+        return metadata;
+    }
+
+    @Override
+    public Size getSize() {
+        return isChild ? Size.FOAL : getMetadata().getSize();
+    }
+
+    @Override
+    public void apply(IPonyData meta) {
+        metadata = meta;
+    }
+
+    @Override
+    public Cuboid getHead() {
+        return head;
+    }
+
+    @Override
+    public boolean isRiding() {
+        return isRiding;
+    }
+
+    @Override
+    public float getSwingAmount() {
+        return handSwingProgress;
+    }
+
+    /**
+     * Copies this model's attributes from some other.
+     */
+    @Override
+    public void setAttributes(BipedEntityModel<T> model) {
+        super.setAttributes(model);
+
+        if (model instanceof ClientPonyModel) {
+            attributes = ((ClientPonyModel<T>)model).attributes;
+            metadata = ((ClientPonyModel<T>)model).metadata;
+        }
+    }
+
     @Override
     public Cuboid getRandomCuboid(Random rand) {
         // grab one at random, but cycle through the list until you find one that's filled.

src/main/java/com/minelittlepony/client/model/IPonyMixinModel.java

@@ -1,9 +1,12 @@
-package com.minelittlepony.model;
+package com.minelittlepony.client.model;
 
 import net.minecraft.client.model.Cuboid;
 import net.minecraft.entity.LivingEntity;
 import net.minecraft.util.AbsoluteHand;
 
+import com.minelittlepony.model.BodyPart;
+import com.minelittlepony.model.IUnicorn;
+import com.minelittlepony.model.ModelAttributes;
 import com.minelittlepony.model.armour.IEquestrianArmour;
 import com.minelittlepony.pony.IPonyData;
 import com.minelittlepony.pony.meta.Size;
@@ -23,13 +26,13 @@ public interface IPonyMixinModel<T extends LivingEntity, M extends IPonyModel<T>
     }
 
     @Override
-    default void setPitch(float pitch) {
+    default IPonyData getMetadata() {
-        mixin().setPitch(pitch);
+        return mixin().getMetadata();
     }
 
     @Override
-    default float getPitch() {
+    default ModelAttributes<?> getAttributes() {
-        return mixin().getPitch();
+        return mixin().getAttributes();
     }
 
     @Override
@@ -42,56 +45,16 @@ public interface IPonyMixinModel<T extends LivingEntity, M extends IPonyModel<T>
         return mixin().createArmour();
     }
 
-    @Override
-    default IPonyData getMetadata() {
-        return mixin().getMetadata();
-    }
-
     @Override
     default void apply(IPonyData meta) {
         mixin().apply(meta);
     }
 
-    @Override
-    default boolean isCrouching() {
-        return mixin().isCrouching();
-    }
-
-    @Override
-    default boolean isFlying() {
-        return mixin().isFlying();
-    }
-
-    @Override
-    default boolean isElytraFlying() {
-        return mixin().isElytraFlying();
-    }
-
-    @Override
-    default boolean isSleeping() {
-        return mixin().isSleeping();
-    }
-
-    @Override
-    default boolean isSwimming() {
-        return mixin().isSwimming();
-    }
-
     @Override
     default boolean isRiding() {
         return mixin().isRiding();
     }
 
-    @Override
-    default boolean isGoingFast() {
-        return mixin().isGoingFast();
-    }
-
-    @Override
-    default boolean isChild() {
-        return mixin().isChild();
-    }
-
     @Override
     default float getSwingAmount() {
         return mixin().getSwingAmount();
@@ -107,11 +70,6 @@ public interface IPonyMixinModel<T extends LivingEntity, M extends IPonyModel<T>
         return mixin().getRiderYOffset();
     }
 
-    @Override
-    default float getModelHeight() {
-        return mixin().getModelHeight();
-    }
-
     @Override
     default void setArmAngle(float var1, AbsoluteHand var2) {
         mixin().setArmAngle(var1, var2);
@@ -122,11 +80,6 @@ public interface IPonyMixinModel<T extends LivingEntity, M extends IPonyModel<T>
         return mixin().getHead();
     }
 
-    @Override
-    default boolean hasHeadGear() {
-        return mixin().hasHeadGear();
-    }
-
     @Override
     default Cuboid getBodyPart(BodyPart part) {
         return mixin().getBodyPart(part);

src/main/java/com/minelittlepony/client/model/IPonyModel.java

@@ -1,12 +1,21 @@
-package com.minelittlepony.model;
+package com.minelittlepony.client.model;
 
 import net.minecraft.client.model.Cuboid;
 import net.minecraft.entity.LivingEntity;
 
+import com.minelittlepony.model.ICapitated;
+import com.minelittlepony.model.ICompartmented;
+import com.minelittlepony.model.IModel;
+import com.minelittlepony.model.PonyModelConstants;
 import com.minelittlepony.pony.IPony;
 
 public interface IPonyModel<T extends LivingEntity> extends PonyModelConstants, IModel, ICapitated<Cuboid>, ICompartmented<Cuboid> {
     default void updateLivingState(T entity, IPony pony) {
 
     }
+
+    @Override
+    default boolean hasHeadGear() {
+        return getAttributes().hasHeadGear;
+    }
 }

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

@@ -27,7 +27,7 @@ public class ModelPonyArmour<T extends LivingEntity> extends AbstractPonyModel<T
     }
 
     @Override
-    protected void renderBody(T entity, float move, float swing, float ticks, float headYaw, float headPitch, float scale) {
+    protected void renderBody(float scale) {
         chestPiece.render(scale);
     }
 

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

@@ -66,7 +66,7 @@ public class PegasusWings<T extends Model & IPegasus> implements IPart, PonyMode
 
         if (pegasus.wingsAreOpen()) {
             flapAngle = pegasus.getWingRotationFactor(ticks);
-            if (!pegasus.isCrouching() && pegasus.isWearing(Wearable.SADDLE_BAGS)) {
+            if (!pegasus.getAttributes().isCrouching && pegasus.isWearing(Wearable.SADDLE_BAGS)) {
                 flapAngle -= 1F;
             }
         }

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

@@ -34,7 +34,7 @@ public class PonyTail extends PlaneRenderer implements IPart {
         roll = rainboom ? 0 : MathHelper.cos(move * 0.8F) * 0.2f * swing;
         yaw = bodySwing;
 
-        if (theModel.isCrouching() && !rainboom) {
+        if (theModel.getAttributes().isCrouching && !rainboom) {
             rotateSneak();
         } else if (theModel.isRiding()) {
             rotationPointZ = TAIL_RP_Z_RIDING;

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

@@ -1,10 +1,10 @@
 package com.minelittlepony.client.model.components;
 
 import com.minelittlepony.client.model.AbstractPonyModel;
+import com.minelittlepony.client.model.IPonyModel;
 import com.minelittlepony.client.util.render.PonyRenderer;
 import com.minelittlepony.client.util.render.plane.PlaneRenderer;
 import com.minelittlepony.model.IPart;
-import com.minelittlepony.model.IPonyModel;
 import com.mojang.blaze3d.platform.GlStateManager;
 
 import java.util.UUID;
@@ -53,7 +53,7 @@ public class SeaponyTail implements IPart {
 
     @Override
     public void setRotationAndAngles(boolean rainboom, UUID interpolatorId, float move, float swing, float bodySwing, float ticks) {
-        float rotation = model.isSleeping() ? 0 : MathHelper.sin(ticks * 0.536f) / 4;
+        float rotation = model.getAttributes().isSleeping ? 0 : MathHelper.sin(ticks * 0.536f) / 4;
 
         tailBase.pitch = TAIL_ROTX + rotation;
         tailTip.pitch = rotation;

src/main/java/com/minelittlepony/client/model/entities/ModelEnderStallion.java

@@ -20,6 +20,14 @@ public class ModelEnderStallion extends ModelSkeletonPony<EndermanEntity> {
     private PonyRenderer leftHorn;
     private PonyRenderer rightHorn;
 
+    public ModelEnderStallion() {
+        super();
+        attributes.armRotationX = 3;
+        attributes.armRotationY = 14;
+        attributes.armLength = 30;
+        attributes.visualHeight = 3;
+    }
+
     @Override
     public void animateModel(EndermanEntity entity, float move, float swing, float ticks) {
         rightArmPose = isCarrying ? ArmPose.BLOCK : ArmPose.EMPTY;
@@ -44,12 +52,6 @@ public class ModelEnderStallion extends ModelSkeletonPony<EndermanEntity> {
         rightHorn.pitch = 0.5F;
     }
 
-    @Override
-    public void setVisible(boolean visible) {
-        super.setVisible(visible);
-
-    }
-
     @Override
     public void setAngles(EndermanEntity entity, float move, float swing, float ticks, float headYaw, float headPitch, float scale) {
         super.setAngles(entity, move, swing, ticks, headYaw, headPitch, scale);
@@ -130,26 +132,6 @@ public class ModelEnderStallion extends ModelSkeletonPony<EndermanEntity> {
         return isAttacking;
     }
 
-    @Override
-    protected float getLegRotationX() {
-        return 3;
-    }
-
-    @Override
-    protected float getArmRotationY() {
-        return 14;
-    }
-
-    @Override
-    protected int getArmLength() {
-        return 30;
-    }
-
-    @Override
-    public float getModelHeight() {
-        return 3;
-    }
-
     @Override
     public float getWingRotationFactor(float ticks) {
         return MathHelper.sin(ticks) + WING_ROT_Z_SNEAK;

src/main/java/com/minelittlepony/client/model/entities/ModelGuardianPony.java

@@ -4,8 +4,8 @@ import net.minecraft.client.render.entity.model.EntityModel;
 import net.minecraft.client.render.entity.model.GuardianEntityModel;
 import net.minecraft.entity.mob.GuardianEntity;
 
+import com.minelittlepony.client.model.IPonyMixinModel;
 import com.minelittlepony.client.util.render.PonyRenderer;
-import com.minelittlepony.model.IPonyMixinModel;
 
 public class ModelGuardianPony extends GuardianEntityModel implements IPonyMixinModel.Caster<GuardianEntity, ModelSeapony<GuardianEntity>, PonyRenderer> {
     private final ModelSeapony<GuardianEntity> mixin = new ModelSeapony<>();

src/main/java/com/minelittlepony/client/model/entities/ModelSeapony.java

@@ -44,7 +44,7 @@ public class ModelSeapony<T extends LivingEntity> extends ModelUnicorn<T> {
 
         // Seaponies can't sneak, silly
         isSneaking = false;
-        isCrouching = false;
+        attributes.isCrouching = false;
     }
 
     @Override
@@ -99,7 +99,7 @@ public class ModelSeapony<T extends LivingEntity> extends ModelUnicorn<T> {
 
         float flapMotion = MathHelper.cos(ticks / 10) / 5;
 
-        if (isSleeping()) {
+        if (attributes.isSleeping) {
             flapMotion /= 2;
         }
 
@@ -108,7 +108,7 @@ public class ModelSeapony<T extends LivingEntity> extends ModelUnicorn<T> {
         leftFin.yaw = finAngle;
         rightFin.yaw = -finAngle;
 
-        if (!isSleeping()) {
+        if (!attributes.isSleeping) {
             centerFin.roll = flapMotion;
         }
 
@@ -152,12 +152,12 @@ public class ModelSeapony<T extends LivingEntity> extends ModelUnicorn<T> {
     }
 
     @Override
-    protected void renderBody(T entity, float move, float swing, float ticks, float headYaw, float headPitch, float scale) {
+    protected void renderBody(float scale) {
         body.render(scale);
         bodyCenter.render(scale);
         body.applyTransform(scale);
 
-        tail.renderPart(scale, entity.getUuid());
+        tail.renderPart(scale, attributes.interpolatorId);
 
         GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS);
         GlStateManager.enableBlend();
@@ -169,7 +169,6 @@ public class ModelSeapony<T extends LivingEntity> extends ModelUnicorn<T> {
 
         GlStateManager.disableBlend();
         GL11.glPopAttrib();
-
     }
 
     @Override

src/main/java/com/minelittlepony/client/model/entities/ModelSkeletonPony.java

@@ -15,10 +15,19 @@ public class ModelSkeletonPony<T extends HostileEntity> extends ModelMobPony<T>
 
     public boolean isWithered;
 
+    public ModelSkeletonPony() {
+        super();
+        attributes.armWidth = 2;
+        attributes.armDepth = 2;
+        attributes.armRotationX = 3F;
+        attributes.armRotationY = 8F;
+    }
+
     @Override
     public void animateModel(T entity, float move, float swing, float ticks) {
         isUnicorn = entity.getUuid().getLeastSignificantBits() % 3 != 0;
         isWithered = entity instanceof WitherSkeletonEntity;
+        attributes.visualHeight = isWithered ? 2.5F : 2;
 
         rightArmPose = ArmPose.EMPTY;
         leftArmPose = ArmPose.EMPTY;
@@ -77,33 +86,8 @@ public class ModelSkeletonPony<T extends HostileEntity> extends ModelMobPony<T>
 
     @Override
     protected float getLegOutset() {
-        if (isSleeping()) return 2.6f;
+        if (attributes.isSleeping) return 2.6f;
-        if (isCrouching()) return 0;
+        if (attributes.isCrouching) return 0;
         return 4;
     }
-
-    @Override
-    protected int getArmWidth() {
-        return 2;
-    }
-
-    @Override
-    protected int getArmDepth() {
-        return 2;
-    }
-
-    @Override
-    protected float getLegRotationX() {
-        return 3;
-    }
-
-    @Override
-    public float getModelHeight() {
-        return isWithered ? 2.5F : 2;
-    }
-
-    @Override
-    protected float getArmRotationY() {
-        return 8;
-    }
 }

src/main/java/com/minelittlepony/client/model/entities/ModelVillagerPony.java

@@ -31,11 +31,12 @@ public class ModelVillagerPony<T extends LivingEntity & VillagerDataContainer> e
         profession = entity.getVillagerData().getProfession();
         special = entity.hasCustomName() && "Derpy".equals(entity.getCustomName().getString());
         special2 = special && entity.getUuid().getLeastSignificantBits() % 20 == 0;
+        attributes.visualHeight = special2 ? 2.3F : 2;
     }
 
     @Override
-    protected void renderBody(T entity, float move, float swing, float ticks, float headYaw, float headPitch, float scale) {
+    protected void renderBody(float scale) {
-        super.renderBody(entity, move, swing, ticks, headYaw, headPitch, scale);
+        super.renderBody(scale);
 
         if (!special && profession != VillagerProfession.NONE && profession != VillagerProfession.NITWIT) {
             if (profession == VillagerProfession.BUTCHER) {
@@ -46,11 +47,6 @@ public class ModelVillagerPony<T extends LivingEntity & VillagerDataContainer> e
         }
     }
 
-    @Override
-    public float getModelHeight() {
-        return special2 ? 2.3F : 2;
-    }
-
     @Override
     public boolean isWearing(Wearable wearable) {
         if (wearable == Wearable.SADDLE_BAGS) {

src/main/java/com/minelittlepony/client/model/entities/ModelWitchPony.java

@@ -11,6 +11,7 @@ public class ModelWitchPony extends ModelZebra<WitchEntity> {
 
     public ModelWitchPony() {
         super(false);
+        attributes.visualHeight = 2.5F;
     }
 
     @Override
@@ -48,10 +49,12 @@ public class ModelWitchPony extends ModelZebra<WitchEntity> {
             rightArmOverlay.pitch = legDrinkingAngle;
             rightArm.yaw = 0.1F;
             rightArmOverlay.yaw = 0.1F;
-            rightArm.z = 0.1f;
+            rightArm.z = 0.1F;
-            rightArmOverlay.z = 0.1f;
+            rightArmOverlay.z = 0.1F;
 
-            if (rot > 0) rot = 0;
+            if (rot > 0) {
+                rot = 0;
+            }
 
             head.pitch = -rot / 2;
             headwear.pitch = -rot / 2;
@@ -59,18 +62,6 @@ public class ModelWitchPony extends ModelZebra<WitchEntity> {
             rightArm.z = 0;
             rightArmOverlay.z = 0;
         }
-
-
-    }
-
-    @Override
-    public boolean isChild() {
-        return isChild;
-    }
-
-    @Override
-    public float getModelHeight() {
-        return 2.5F;
     }
 
     @Override

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

@@ -9,7 +9,7 @@ import org.lwjgl.opengl.GL11;
 import com.minelittlepony.client.util.render.Color;
 import com.minelittlepony.client.util.render.PonyRenderer;
 import com.minelittlepony.model.BodyPart;
-import com.minelittlepony.model.IPonyModel;
+import com.minelittlepony.model.IModel;
 import com.minelittlepony.pony.meta.Wearable;
 
 import java.util.Calendar;
@@ -48,12 +48,12 @@ public class ChristmasHat extends AbstractGear {
     }
 
     @Override
-    public boolean canRender(IPonyModel<?> model, Entity entity) {
+    public boolean canRender(IModel model, Entity entity) {
         return isChristmasDay() || model.isWearing(Wearable.ANTLERS);
     }
 
     @Override
-    public void setLivingAnimations(IPonyModel<?> model, Entity entity) {
+    public void setLivingAnimations(IModel model, Entity entity) {
         tint = model.getMetadata().getGlowColor();
     }
 

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

@@ -5,7 +5,7 @@ import net.minecraft.util.Identifier;
 
 import com.minelittlepony.client.util.render.PonyRenderer;
 import com.minelittlepony.model.BodyPart;
-import com.minelittlepony.model.IPonyModel;
+import com.minelittlepony.model.IModel;
 import com.minelittlepony.model.gear.IStackable;
 import com.minelittlepony.pony.meta.Wearable;
 
@@ -34,7 +34,7 @@ public class Muffin extends AbstractGear implements IStackable {
     }
 
     @Override
-    public boolean canRender(IPonyModel<?> model, Entity entity) {
+    public boolean canRender(IModel model, Entity entity) {
         return model.isWearing(Wearable.MUFFIN);
     }
 

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

@@ -2,8 +2,8 @@ package com.minelittlepony.client.model.gear;
 
 import com.minelittlepony.client.util.render.plane.PlaneRenderer;
 import com.minelittlepony.model.BodyPart;
+import com.minelittlepony.model.IModel;
 import com.minelittlepony.model.IPegasus;
-import com.minelittlepony.model.IPonyModel;
 import com.minelittlepony.pony.meta.Wearable;
 import com.mojang.blaze3d.platform.GlStateManager;
 
@@ -25,7 +25,7 @@ public class SaddleBags extends AbstractGear {
     float dropAmount = 0;
 
 
-    private IPonyModel<?> model;
+    private IModel model;
 
     @Override
     public void init(float yOffset, float stretch) {
@@ -73,7 +73,7 @@ public class SaddleBags extends AbstractGear {
     }
 
     @Override
-    public void setLivingAnimations(IPonyModel<?> model, Entity entity) {
+    public void setLivingAnimations(IModel model, Entity entity) {
         this.model = model;
 
         hangLow = false;
@@ -126,7 +126,7 @@ public class SaddleBags extends AbstractGear {
     }
 
     @Override
-    public boolean canRender(IPonyModel<?> model, Entity entity) {
+    public boolean canRender(IModel model, Entity entity) {
         return model.isWearing(Wearable.SADDLE_BAGS);
     }
 

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

@@ -6,7 +6,7 @@ import net.minecraft.util.Identifier;
 import com.minelittlepony.client.util.render.PonyRenderer;
 import com.minelittlepony.client.util.render.plane.PlaneRenderer;
 import com.minelittlepony.model.BodyPart;
-import com.minelittlepony.model.IPonyModel;
+import com.minelittlepony.model.IModel;
 import com.minelittlepony.model.gear.IStackable;
 import com.minelittlepony.pony.meta.Wearable;
 
@@ -49,7 +49,7 @@ public class Stetson extends AbstractGear implements IStackable {
     }
 
     @Override
-    public boolean canRender(IPonyModel<?> model, Entity entity) {
+    public boolean canRender(IModel model, Entity entity) {
         return model.isWearing(Wearable.STETSON);
     }
 

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

@@ -5,7 +5,7 @@ import net.minecraft.util.Identifier;
 
 import com.minelittlepony.client.util.render.PonyRenderer;
 import com.minelittlepony.model.BodyPart;
-import com.minelittlepony.model.IPonyModel;
+import com.minelittlepony.model.IModel;
 import com.minelittlepony.model.gear.IStackable;
 import com.minelittlepony.pony.meta.Wearable;
 
@@ -40,7 +40,7 @@ public class WitchHat extends AbstractGear implements IStackable {
 
 
     @Override
-    public boolean canRender(IPonyModel<?> model, Entity entity) {
+    public boolean canRender(IModel model, Entity entity) {
         return model.isWearing(Wearable.HAT);
     }
 

src/main/java/com/minelittlepony/client/model/races/ModelAlicorn.java

@@ -28,16 +28,16 @@ public class ModelAlicorn<T extends LivingEntity> extends ModelUnicorn<T> implem
         super.setAngles(entity, move, swing, ticks, headYaw, headPitch, scale);
 
         if (canFly()) {
-            wings.setRotationAndAngles(rainboom, entity.getUuid(), move, swing, 0, ticks);
+            wings.setRotationAndAngles(attributes.isGoingFast, attributes.interpolatorId, move, swing, 0, ticks);
         }
     }
 
     @Override
-    protected void renderBody(T entity, float move, float swing, float ticks, float headYaw, float headPitch, float scale) {
+    protected void renderBody(float scale) {
-        super.renderBody(entity, move, swing, ticks, headYaw, headPitch, scale);
+        super.renderBody(scale);
 
         if (canFly()) {
-            wings.renderPart(scale, entity.getUuid());
+            wings.renderPart(scale, attributes.interpolatorId);
         }
     }
 }

src/main/java/com/minelittlepony/client/model/races/ModelChangeling.java

@@ -19,7 +19,7 @@ public class ModelChangeling<T extends LivingEntity> extends ModelAlicorn<T> {
 
     @Override
     public boolean wingsAreOpen() {
-        return (isFlying() || isCrouching()) && !isElytraFlying();
+        return (isFlying() || attributes.isCrouching) && !getAttributes().isGliding;
     }
 
     @Override

src/main/java/com/minelittlepony/client/model/races/ModelEarthPony.java

@@ -14,6 +14,12 @@ public class ModelEarthPony<T extends LivingEntity> extends AbstractPonyModel<T>
     public ModelEarthPony(boolean smallArms) {
         super(smallArms);
         this.smallArms = smallArms;
+
+        if (smallArms) {
+            attributes.armWidth = 3;
+            attributes.armRotationX = 2F;
+            attributes.armRotationY = 8.5F;
+        }
     }
 
     @Override
@@ -28,28 +34,13 @@ public class ModelEarthPony<T extends LivingEntity> extends AbstractPonyModel<T>
     @Override
     protected float getLegOutset() {
         if (smallArms) {
-            if (isSleeping()) return 2.6f;
+            if (attributes.isSleeping) return 2.6f;
-            if (isCrouching()) return 1;
+            if (attributes.isCrouching) return 1;
             return 4;
         }
         return super.getLegOutset();
     }
 
-    @Override
-    protected int getArmWidth() {
-        return smallArms ? 3 : super.getArmWidth();
-    }
-
-    @Override
-    protected float getLegRotationX() {
-        return smallArms ? 2 : super.getLegRotationX();
-    }
-
-    @Override
-    protected float getArmRotationY() {
-        return smallArms ? 8.5f : super.getArmRotationY();
-    }
-
     @Override
     protected void initHead(float yOffset, float stretch) {
         super.initHead(yOffset, stretch);

src/main/java/com/minelittlepony/client/model/races/ModelPegasus.java

@@ -26,12 +26,12 @@ public class ModelPegasus<T extends LivingEntity> extends ModelEarthPony<T> impl
     @Override
     public void setAngles(T entity, float move, float swing, float ticks, float headYaw, float headPitch, float scale) {
         super.setAngles(entity, move, swing, ticks, headYaw, headPitch, scale);
-        wings.setRotationAndAngles(rainboom, entity.getUuid(), move, swing, 0, ticks);
+        wings.setRotationAndAngles(attributes.isGoingFast, entity.getUuid(), move, swing, 0, ticks);
     }
 
     @Override
-    protected void renderBody(T entity, float move, float swing, float ticks, float headYaw, float headPitch, float scale) {
+    protected void renderBody(float scale) {
-        super.renderBody(entity, move, swing, ticks, headYaw, headPitch, scale);
+        super.renderBody(scale);
-        wings.renderPart(scale, entity.getUuid());
+        wings.renderPart(scale, attributes.interpolatorId);
     }
 }

src/main/java/com/minelittlepony/client/model/races/ModelUnicorn.java

@@ -75,7 +75,7 @@ public class ModelUnicorn<T extends LivingEntity> extends ModelEarthPony<T> impl
         AbsoluteHand mainSide = getPreferedHand(entity);
 
         if (canCast() && getArmPoseForSide(mainSide) != ArmPose.EMPTY) {
-            if (getSwingAmount() > -9990 && !isSleeping()) {
+            if (getSwingAmount() > -9990 && !attributes.isSleeping) {
                 swingArm(getUnicornArmForSide(mainSide));
             }
         } else {
@@ -83,9 +83,15 @@ public class ModelUnicorn<T extends LivingEntity> extends ModelEarthPony<T> impl
         }
     }
 
+    public ArmPose getArmPoseForSide(AbsoluteHand side) {
+        return side == AbsoluteHand.RIGHT ? rightArmPose : leftArmPose;
+    }
+
     @Override
-    protected void swingArms(float ticks) {
+    protected void animateBreathing(float ticks) {
-        if (isSleeping()) return;
+        if (attributes.isSleeping) {
+            return;
+        }
 
         if (canCast()) {
             float cos = MathHelper.cos(ticks * 0.09F) * 0.05F + 0.05F;
@@ -101,7 +107,7 @@ public class ModelUnicorn<T extends LivingEntity> extends ModelEarthPony<T> impl
                 unicornArmLeft.pitch += sin;
             }
         } else {
-            super.swingArms(ticks);
+            super.animateBreathing(ticks);
         }
     }
 
@@ -123,12 +129,12 @@ public class ModelUnicorn<T extends LivingEntity> extends ModelEarthPony<T> impl
     }
 
     @Override
-    protected void renderHead(T entity, float move, float swing, float ticks, float headYaw, float headPitch, float scale) {
+    protected void renderHead(float scale) {
-        super.renderHead(entity, move, swing, ticks, headYaw, headPitch, scale);
+        super.renderHead(scale);
 
         if (canCast()) {
             head.applyTransform(scale);
-            horn.renderPart(scale, entity.getUuid());
+            horn.renderPart(scale, attributes.interpolatorId);
             if (isCasting()) {
                 horn.renderMagic(getMagicColor(), scale);
             }
@@ -141,12 +147,12 @@ public class ModelUnicorn<T extends LivingEntity> extends ModelEarthPony<T> impl
         unicornArmLeft = new PonyRenderer(this, 40, 32).size(64, 64);
         unicornArmRight = new PonyRenderer(this, 40, 32).size(64, 64);
 
-        int armLength = getArmLength();
+        int armLength = attributes.armLength;
-        int armWidth = getArmWidth();
+        int armWidth = attributes.armWidth;
-        int armDepth = getArmDepth();
+        int armDepth = attributes.armDepth;
 
-        float rarmX = getLegRotationX();
+        float rarmX = attributes.armRotationX;
-        float rarmY = getArmRotationY();
+        float rarmY = attributes.armRotationY;
 
         float armX = THIRDP_ARM_CENTRE_X;
         float armY = THIRDP_ARM_CENTRE_Y;

src/main/java/com/minelittlepony/client/render/IPonyRender.java

@@ -1,8 +1,8 @@
 package com.minelittlepony.client.render;
 
+import com.minelittlepony.client.model.IPonyModel;
 import com.minelittlepony.client.model.ModelWrapper;
 import com.minelittlepony.model.BodyPart;
-import com.minelittlepony.model.IPonyModel;
 import com.minelittlepony.model.PonyModelConstants;
 import com.minelittlepony.pony.IPony;
 import com.minelittlepony.util.math.MathUtil;

src/main/java/com/minelittlepony/client/render/RenderPony.java

@@ -1,9 +1,9 @@
 package com.minelittlepony.client.render;
 
 import com.minelittlepony.client.PonyRenderManager;
+import com.minelittlepony.client.model.IPonyModel;
 import com.minelittlepony.client.model.ModelWrapper;
 import com.minelittlepony.client.transform.PonyPosture;
-import com.minelittlepony.model.IPonyModel;
 import com.minelittlepony.pony.IPony;
 import com.minelittlepony.settings.PonySettings;
 import com.minelittlepony.util.math.MathUtil;
@@ -20,8 +20,6 @@ public class RenderPony<T extends LivingEntity, M extends EntityModel<T> & IPony
 
     public ModelWrapper<T, M> playerModel;
 
-    private M ponyModel;
-
     private IPony pony;
 
     private final IPonyRender<T, M> renderer;
@@ -52,7 +50,7 @@ public class RenderPony<T extends LivingEntity, M extends EntityModel<T> & IPony
     public void preRenderCallback(T entity, float ticks) {
         updateModel(entity);
 
-        ponyModel.updateLivingState(entity, pony);
+        getModel().updateLivingState(entity, pony);
 
         float s = getScaleFactor();
         GlStateManager.scalef(s, s, s);
@@ -94,12 +92,12 @@ public class RenderPony<T extends LivingEntity, M extends EntityModel<T> & IPony
 
     @SuppressWarnings("unchecked")
     public void applyPostureTransform(T player, float yaw, float ticks) {
-        ((PonyPosture<T>)getPosture(player)).apply(player, ponyModel, yaw, ticks, 1);
+        ((PonyPosture<T>)getPosture(player)).apply(player, getModel(), yaw, ticks, 1);
     }
 
     @SuppressWarnings("unchecked")
     public void applyPostureRiding(T player, float yaw, float ticks) {
-        ((PonyPosture<T>)getPosture(player)).apply(player, ponyModel, yaw, ticks, -1);
+        ((PonyPosture<T>)getPosture(player)).apply(player, getModel(), yaw, ticks, -1);
     }
 
     @Nonnull
@@ -112,11 +110,11 @@ public class RenderPony<T extends LivingEntity, M extends EntityModel<T> & IPony
             return PonyPosture.DEFAULT;
         }
 
-        if (getModel().isSwimming()) {
+        if (getModel().getAttributes().isSwimming) {
             return PonyPosture.SWIMMING;
         }
 
-        if (getModel().isGoingFast()) {
+        if (getModel().getAttributes().isGoingFast) {
             return PonyPosture.FLIGHT;
         }
 
@@ -129,9 +127,8 @@ public class RenderPony<T extends LivingEntity, M extends EntityModel<T> & IPony
 
     public M setPonyModel(ModelWrapper<T, M> model) {
         playerModel = model;
-        ponyModel = playerModel.getBody();
 
-        return ponyModel;
+        return getModel();
     }
 
     public void updateModel(T entity) {
@@ -154,11 +151,11 @@ public class RenderPony<T extends LivingEntity, M extends EntityModel<T> & IPony
 
     public double getNamePlateYOffset(T entity, double initial) {
 
-        // We start by negating the height calculation done by mohjong.
+        // We start by negating the height calculation done by mahjong.
         float y = -(entity.getHeight() + 0.5F - (entity.isSneaking() ? 0.25F : 0));
 
         // Then we add our own offsets.
-        y += ponyModel.getModelHeight() * getScaleFactor() + 0.25F;
+        y += getModel().getAttributes().visualHeight * getScaleFactor() + 0.25F;
 
         if (entity.isSneaking()) {
             y -= 0.25F;

src/main/java/com/minelittlepony/client/render/entities/RenderPonyMob.java

@@ -2,6 +2,7 @@ package com.minelittlepony.client.render.entities;
 
 import com.minelittlepony.MineLittlePony;
 import com.minelittlepony.client.model.ClientPonyModel;
+import com.minelittlepony.client.model.IPonyModel;
 import com.minelittlepony.client.model.ModelWrapper;
 import com.minelittlepony.client.render.DebugBoundingBoxRenderer;
 import com.minelittlepony.client.render.IPonyRender;
@@ -14,7 +15,6 @@ import com.minelittlepony.client.render.layer.LayerPonyCustomHead;
 import com.minelittlepony.client.render.layer.LayerPonyElytra;
 import com.minelittlepony.client.util.render.PonyRenderer;
 import com.minelittlepony.hdskins.HDSkins;
-import com.minelittlepony.model.IPonyModel;
 import com.minelittlepony.model.IUnicorn;
 import com.minelittlepony.pony.IPony;
 import com.mojang.blaze3d.platform.GlStateManager;

src/main/java/com/minelittlepony/client/render/layer/AbstractPonyLayer.java

@@ -1,7 +1,7 @@
 package com.minelittlepony.client.render.layer;
 
+import com.minelittlepony.client.model.IPonyModel;
 import com.minelittlepony.client.render.IPonyRender;
-import com.minelittlepony.model.IPonyModel;
 
 import net.minecraft.client.render.entity.feature.FeatureRenderer;
 import net.minecraft.client.render.entity.feature.FeatureRendererContext;

src/main/java/com/minelittlepony/client/render/layer/LayerDJPon3Head.java

@@ -3,10 +3,10 @@ package com.minelittlepony.client.render.layer;
 import net.minecraft.client.network.AbstractClientPlayerEntity;
 import net.minecraft.client.render.entity.model.EntityModel;
 
+import com.minelittlepony.client.model.IPonyModel;
 import com.minelittlepony.client.model.components.ModelDeadMau5Ears;
 import com.minelittlepony.client.render.IPonyRender;
 import com.minelittlepony.model.BodyPart;
-import com.minelittlepony.model.IPonyModel;
 import com.mojang.blaze3d.platform.GlStateManager;
 
 public class LayerDJPon3Head<T extends AbstractClientPlayerEntity, M extends EntityModel<T> & IPonyModel<T>> extends AbstractPonyLayer<T, M> {

src/main/java/com/minelittlepony/client/render/layer/LayerEyeGlow.java

@@ -5,8 +5,8 @@ import net.minecraft.client.render.entity.model.EntityModel;
 import net.minecraft.entity.LivingEntity;
 import net.minecraft.util.Identifier;
 
+import com.minelittlepony.client.model.IPonyModel;
 import com.minelittlepony.client.render.IPonyRender;
-import com.minelittlepony.model.IPonyModel;
 import com.mojang.blaze3d.platform.GLX;
 
 import static com.mojang.blaze3d.platform.GlStateManager.*;

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

@@ -7,6 +7,7 @@ import net.minecraft.util.Identifier;
 import org.lwjgl.opengl.GL11;
 
 import com.google.common.collect.Lists;
+import com.minelittlepony.client.model.IPonyModel;
 import com.minelittlepony.client.model.gear.ChristmasHat;
 import com.minelittlepony.client.model.gear.Muffin;
 import com.minelittlepony.client.model.gear.SaddleBags;
@@ -14,7 +15,6 @@ import com.minelittlepony.client.model.gear.Stetson;
 import com.minelittlepony.client.model.gear.WitchHat;
 import com.minelittlepony.client.render.IPonyRender;
 import com.minelittlepony.model.BodyPart;
-import com.minelittlepony.model.IPonyModel;
 import com.minelittlepony.model.gear.IGear;
 import com.minelittlepony.model.gear.IStackable;
 import com.mojang.blaze3d.platform.GlStateManager;
@@ -83,7 +83,7 @@ public class LayerGear<T extends LivingEntity, M extends EntityModel<T> & IPonyM
         getContext().bindTexture(texture);
 
         gear.setLivingAnimations(model, entity);
-        gear.setRotationAndAngles(model.isGoingFast(), entity.getUuid(), move, swing, model.getWobbleAmount(), ticks);
+        gear.setRotationAndAngles(model.getAttributes().isGoingFast, entity.getUuid(), move, swing, model.getWobbleAmount(), ticks);
         gear.renderPart(scale, entity.getUuid());
 
         GL11.glPopAttrib();

src/main/java/com/minelittlepony/client/render/layer/LayerHeldPonyItem.java

@@ -1,8 +1,8 @@
 package com.minelittlepony.client.render.layer;
 
+import com.minelittlepony.client.model.IPonyModel;
 import com.minelittlepony.client.render.IPonyRender;
 import com.minelittlepony.model.BodyPart;
-import com.minelittlepony.model.IPonyModel;
 
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.render.entity.model.EntityModel;

src/main/java/com/minelittlepony/client/render/layer/LayerHeldPonyItemMagical.java

@@ -1,9 +1,9 @@
 package com.minelittlepony.client.render.layer;
 
 import com.minelittlepony.client.PonyRenderManager;
+import com.minelittlepony.client.model.IPonyModel;
 import com.minelittlepony.client.render.IPonyRender;
 import com.minelittlepony.client.util.render.PonyRenderer;
-import com.minelittlepony.model.IPonyModel;
 import com.minelittlepony.model.IUnicorn;
 import com.mojang.blaze3d.platform.GlStateManager;
 

src/main/java/com/minelittlepony/client/render/layer/LayerPonyArmor.java

@@ -1,11 +1,11 @@
 package com.minelittlepony.client.render.layer;
 
 import com.minelittlepony.client.ForgeProxy;
+import com.minelittlepony.client.model.IPonyModel;
 import com.minelittlepony.client.model.ModelWrapper;
 import com.minelittlepony.client.model.armour.DefaultArmourTextureResolver;
 import com.minelittlepony.client.render.IPonyRender;
 import com.minelittlepony.client.util.render.Color;
-import com.minelittlepony.model.IPonyModel;
 import com.minelittlepony.model.armour.ArmourLayer;
 import com.minelittlepony.model.armour.IArmour;
 import com.minelittlepony.model.armour.IArmourTextureResolver;

src/main/java/com/minelittlepony/client/render/layer/LayerPonyCustomHead.java

@@ -1,10 +1,10 @@
 package com.minelittlepony.client.render.layer;
 
 import com.minelittlepony.client.model.AbstractPonyModel;
+import com.minelittlepony.client.model.IPonyModel;
 import com.minelittlepony.client.render.IPonyRender;
 import com.minelittlepony.client.render.tileentities.skull.PonySkullRenderer;
 import com.minelittlepony.model.BodyPart;
-import com.minelittlepony.model.IPonyModel;
 import com.mojang.authlib.GameProfile;
 
 import net.minecraft.block.AbstractSkullBlock;

src/main/java/com/minelittlepony/client/render/layer/LayerPonyElytra.java

@@ -1,9 +1,9 @@
 package com.minelittlepony.client.render.layer;
 
+import com.minelittlepony.client.model.IPonyModel;
 import com.minelittlepony.client.model.components.PonyElytra;
 import com.minelittlepony.client.render.IPonyRender;
 import com.minelittlepony.model.BodyPart;
-import com.minelittlepony.model.IPonyModel;
 import com.mojang.blaze3d.platform.GlStateManager;
 
 import net.minecraft.client.network.AbstractClientPlayerEntity;

src/main/java/com/minelittlepony/client/transform/PonyTransformation.java

@@ -15,16 +15,16 @@ public enum PonyTransformation {
     NORMAL(Size.NORMAL, 0, 3F, 0.75F) {
         @Override
         public void transform(IModel model, BodyPart part) {
-            if (model.isCrouching()) translate(0, -0.2F, 0);
+            if (model.getAttributes().isCrouching) translate(0, -0.2F, 0);
-            if (model.isSleeping()) translate(0, -0.61F, 0.1F);
+            if (model.getAttributes().isSleeping) translate(0, -0.61F, 0.1F);
             if (model.isRiding()) translate(0, -0.2F, -0.2F);
 
             switch (part) {
                 case NECK:
-                    if (model.isCrouching()) translate(-0.03F, 0.03F, 0.1F);
+                    if (model.getAttributes().isCrouching) translate(-0.03F, 0.03F, 0.1F);
                     break;
                 case HEAD:
-                    if (model.isCrouching()) translate(0, 0.1F, 0);
+                    if (model.getAttributes().isCrouching) translate(0, 0.1F, 0);
                     break;
                 case BACK:
                     translateVec(riderOffset);
@@ -36,19 +36,19 @@ public enum PonyTransformation {
     LANKY(Size.LANKY, 0, 2.6F, 0.75F) {
         @Override
         public void transform(IModel model, BodyPart part) {
-            if (model.isCrouching()) translate(0, -0.15F, 0);
+            if (model.getAttributes().isCrouching) translate(0, -0.15F, 0);
-            if (model.isSleeping()) translate(0, -0.6F, 0.15F);
+            if (model.getAttributes().isSleeping) translate(0, -0.6F, 0.15F);
             if (model.isRiding()) translate(0, 0, -0.2F);
 
             switch (part) {
                 case NECK:
                     translate(0, -0.15F, -0.07F);
-                    if (model.isCrouching()) translate(-0.03F, 0.16F, 0.07F);
+                    if (model.getAttributes().isCrouching) translate(-0.03F, 0.16F, 0.07F);
                     break;
                 case HEAD:
                     translate(0, -0.17F, -0.04F);
-                    if (model.isSleeping()) translate(0, 0, -0.1F);
+                    if (model.getAttributes().isSleeping) translate(0, 0, -0.1F);
-                    if (model.isCrouching()) translate(0, 0.15F, 0);
+                    if (model.getAttributes().isCrouching) translate(0, 0.15F, 0);
                     break;
                 case BODY:
                     translate(0, -0.2F, -0.04F);
@@ -70,19 +70,19 @@ public enum PonyTransformation {
     BULKY(Size.BULKY, 0, 2.3F, 0.75F) {
         @Override
         public void transform(IModel model, BodyPart part) {
-            if (model.isCrouching()) translate(0, -0.15F, 0);
+            if (model.getAttributes().isCrouching) translate(0, -0.15F, 0);
-            if (model.isSleeping()) translate(0, -0.6F, 0.25F);
+            if (model.getAttributes().isSleeping) translate(0, -0.6F, 0.25F);
             if (model.isRiding()) translate(0, 0, -0.2F);
 
             switch (part) {
                 case NECK:
                     translate(0, -0.15F, -0.07F);
-                    if (model.isCrouching()) translate(-0.03F, 0.16F, 0.07F);
+                    if (model.getAttributes().isCrouching) translate(-0.03F, 0.16F, 0.07F);
                     break;
                 case HEAD:
                     translate(0, -0.17F, -0.04F);
-                    if (model.isSleeping()) translate(0, 0, -0.1F);
+                    if (model.getAttributes().isSleeping) translate(0, 0, -0.1F);
-                    if (model.isCrouching()) translate(0, 0.15F, 0);
+                    if (model.getAttributes().isCrouching) translate(0, 0.15F, 0);
                     break;
                 case BODY:
                     translate(0, -0.2F, -0.04F);
@@ -104,8 +104,8 @@ public enum PonyTransformation {
     FOAL(Size.FOAL, 0, 3.8F, 0.75F) {
         @Override
         public void transform(IModel model, BodyPart part) {
-            if (model.isCrouching()) translate(0, -0.3F, 0);
+            if (model.getAttributes().isCrouching) translate(0, -0.3F, 0);
-            if (model.isSleeping()) translate(0, -0.65F, -0.3F);
+            if (model.getAttributes().isSleeping) translate(0, -0.65F, -0.3F);
             if (model.isRiding()) translate(0, -0.6F, -0.2F);
 
             translate(0, 0.2F, 0);
@@ -114,7 +114,7 @@ public enum PonyTransformation {
                 case NECK:
                     translate(0, 0, 0.04F);
                     scale(1.3F, 1.3F, 1.3F);
-                    if (model.isCrouching()) translate(0, -0.01F, 0.15F);
+                    if (model.getAttributes().isCrouching) translate(0, -0.01F, 0.15F);
                     break;
                 case HEAD:
                     scale(1.3F, 1.3F, 1.3F);
@@ -133,19 +133,19 @@ public enum PonyTransformation {
     TALL(Size.TALL, 0, 2.2F, 0.75F) {
         @Override
         public void transform(IModel model, BodyPart part) {
-            if (model.isCrouching()) translate(0, -0.15F, 0);
+            if (model.getAttributes().isCrouching) translate(0, -0.15F, 0);
-            if (model.isSleeping()) translate(0, -0.5F, 0.35F);
+            if (model.getAttributes().isSleeping) translate(0, -0.5F, 0.35F);
             if (model.isRiding()) translate(0, 0.1F, -0.2F);
 
             switch (part) {
                 case NECK:
                     translate(0, -0.09F, 0);
                     scale(1, 1.1F, 1);
-                    if (model.isCrouching()) translate(-0.02F, -0.02F, 0.1F);
+                    if (model.getAttributes().isCrouching) translate(-0.02F, -0.02F, 0.1F);
                     break;
                 case HEAD:
                     translate(0.01F, -0.15F, 0);
-                    if (model.isCrouching()) translate(0, 0.04F, 0);
+                    if (model.getAttributes().isCrouching) translate(0, 0.04F, 0);
                     break;
                 case BODY:
                 case TAIL:
@@ -154,7 +154,7 @@ public enum PonyTransformation {
                 case LEGS:
                     translate(0, -0.27F, 0.03F);
                     scale(1, 1.18F, 1);
-                    if (model.isGoingFast()) translate(0, 0.05F, 0);
+                    if (model.getAttributes().isGoingFast) translate(0, 0.05F, 0);
                     break;
                 case BACK:
                     riderOffset = new Vec3d(0, 2.2F, 0.75F);
@@ -166,19 +166,19 @@ public enum PonyTransformation {
     YEARLING(Size.YEARLING, 0, 3.8F, 0.75F) {
         @Override
         public void transform(IModel model, BodyPart part) {
-            if (model.isCrouching()) translate(0, -0.15F, 0);
+            if (model.getAttributes().isCrouching) translate(0, -0.15F, 0);
-            if (model.isSleeping()) translate(0, -0.4F, -0.3F);
+            if (model.getAttributes().isSleeping) translate(0, -0.4F, -0.3F);
             if (model.isRiding()) translate(0, -0.4F, -0.2F);
 
             switch (part) {
                 case NECK:
                     translate(0, -0.09F, -0.01F);
                     scale(1, 1.1F, 1);
-                    if (model.isCrouching()) translate(-0.02F, -0.02F, 0.1F);
+                    if (model.getAttributes().isCrouching) translate(-0.02F, -0.02F, 0.1F);
                     break;
                 case HEAD:
                     translate(0, -0.15F, 0.01F);
-                    if (model.isCrouching()) translate(0, 0.04F, 0);
+                    if (model.getAttributes().isCrouching) translate(0, 0.04F, 0);
                     scale(1.15F, 1.15F, 1.15F);
                     break;
                 case BODY:
@@ -188,7 +188,7 @@ public enum PonyTransformation {
                 case LEGS:
                     translate(0, -0.265F, 0.03F);
                     scale(1, 1.18F, 1);
-                    if (model.isGoingFast()) translate(0, 0.05F, 0);
+                    if (model.getAttributes().isGoingFast) translate(0, 0.05F, 0);
                     break;
                 case BACK:
                     translateVec(riderOffset);

src/main/java/com/minelittlepony/client/transform/PostureFalling.java

@@ -7,6 +7,6 @@ import com.minelittlepony.model.IModel;
 public class PostureFalling implements PonyPosture<LivingEntity> {
     @Override
     public void transform(IModel model, LivingEntity entity, double motionX, double motionY, double motionZ, float yaw, float ticks) {
-        model.setPitch(0);
+        model.getAttributes().motionPitch = 0;
     }
 }

src/main/java/com/minelittlepony/client/transform/PostureFlight.java

@@ -15,9 +15,9 @@ public class PostureFlight extends MotionCompositor implements PonyPosture<Playe
 
     @Override
     public void transform(IModel model, PlayerEntity player, double motionX, double motionY, double motionZ, float yaw, float ticks) {
-        model.setPitch((float) calculateIncline(player, motionX, motionY, motionZ));
+        model.getAttributes().motionPitch = (float) calculateIncline(player, motionX, motionY, motionZ);
 
-        GlStateManager.rotatef(model.getPitch(), 1, 0, 0);
+        GlStateManager.rotatef(model.getAttributes().motionPitch, 1, 0, 0);
 
         float roll = (float)calculateRoll(player, motionX,  motionY, motionZ);
 

src/main/java/com/minelittlepony/model/IModel.java

@@ -1,8 +1,8 @@
 package com.minelittlepony.model;
 
 import net.minecraft.client.render.entity.model.ModelWithArms;
+import net.minecraft.util.math.MathHelper;
 
-import com.minelittlepony.model.BodyPart;
 import com.minelittlepony.model.armour.IEquestrianArmour;
 import com.minelittlepony.pony.IPonyData;
 import com.minelittlepony.pony.meta.Size;
@@ -22,10 +22,6 @@ public interface IModel extends ModelWithArms {
      */
     void transform(BodyPart part);
 
-    void setPitch(float pitch);
-
-    float getPitch();
-
     /**
      * Gets the active scaling profile used to lay out this model's parts.
      */
@@ -36,6 +32,11 @@ public interface IModel extends ModelWithArms {
      */
     IEquestrianArmour<?> createArmour();
 
+    /**
+     * Gets the transitive properties of this model.
+     */
+    ModelAttributes<?> getAttributes();
+
     /**
      * Gets the skin metadata associated with this model.
      */
@@ -46,42 +47,18 @@ public interface IModel extends ModelWithArms {
      */
     void apply(IPonyData meta);
 
-    /**
-     * Returns true if this model is on the ground and crouching.
-     */
-    boolean isCrouching();
-
     /**
      * Returns true if the model is flying.
      */
-    boolean isFlying();
+    default boolean isFlying() {
-
+        return getAttributes().isFlying && canFly();
-    /**
+    }
-     * Returns true if the model is elytra flying. Elytra flying is different
-     * from regular flying in that there are actual "wings" involved.
-     */
-    boolean isElytraFlying();
-
-    /**
-     * Returns true if this model is lying on a bed or bed-like object.
-     */
-    boolean isSleeping();
-
-    /**
-     * Returns true if this model is wimming underwater.
-     */
-    boolean isSwimming();
 
     /**
      * Returns true if this model is riding a boat, horse, or other animals.
      */
     boolean isRiding();
 
-    /**
-     * Returns true if we're flying really fast.
-     */
-    boolean isGoingFast();
-
     /**
      * Returns true if this model is being applied to a race that has wings.
      */
@@ -92,7 +69,9 @@ public interface IModel extends ModelWithArms {
     /**
      * Returns true if the current model is a child or a child-like foal.
      */
-    boolean isChild();
+    default boolean isChild() {
+        return getSize() == Size.FOAL;
+    }
 
     /**
      * Gets the current leg swing amount.
@@ -100,20 +79,22 @@ public interface IModel extends ModelWithArms {
     float getSwingAmount();
 
     /**
-     * Gets the step woddle used for various hair bits and animations.
+     * Gets the step wobble used for various hair bits and animations.
      */
-    float getWobbleAmount();
+    default float getWobbleAmount() {
+
+        if (getSwingAmount() <= 0) {
+            return 0;
+        }
+
+        return MathHelper.sin(MathHelper.sqrt(getSwingAmount()) * PonyModelConstants.PI * 2) * 0.04F;
+    }
 
     /**
      * Gets the y-offset applied to entities riding this one.
      */
     float getRiderYOffset();
 
-    /**
-     * Gets the actual, visible height of this model when rendered.
-     */
-    float getModelHeight();
-
     /**
      * Tests if this model is wearing the given piece of gear.
      */

src/main/java/com/minelittlepony/model/IPegasus.java

@@ -11,7 +11,7 @@ public interface IPegasus extends IModel {
      * Returns true if the wings are spread.
      */
     default boolean wingsAreOpen() {
-        return (isSwimming() || isFlying() || isCrouching()) && !isElytraFlying();
+        return (getAttributes().isSwimming || isFlying() || getAttributes().isCrouching) && !getAttributes().isGliding;
     }
 
     /**
@@ -20,7 +20,7 @@ public interface IPegasus extends IModel {
      * @param ticks Partial render ticks
      */
     default float getWingRotationFactor(float ticks) {
-        if (isSwimming()) {
+        if (getAttributes().isSwimming) {
             return (MathHelper.sin(ticks * 0.136f) / 2) + ROTATE_270;
         }
         if (isFlying()) {

src/main/java/com/minelittlepony/model/ModelAttributes.java

@@ -0,0 +1,98 @@
+package com.minelittlepony.model;
+
+import com.minelittlepony.pony.IPony;
+import com.minelittlepony.util.math.MathUtil;
+import net.minecraft.entity.LivingEntity;
+import net.minecraft.util.math.Vec3d;
+
+import java.util.UUID;
+
+public class ModelAttributes<T extends LivingEntity> {
+
+    /**
+     * True if the model is sleeping in a bed.
+     */
+    public boolean isSleeping;
+    /**
+     * True if the model is flying like a pegasus.
+     */
+    public boolean isFlying;
+    /**
+     * True if the model is elytra flying. Elytra flying is different
+     * from regular flying in that there are actual "wings" involved.
+     */
+    public boolean isGliding;
+    /**
+     * True if the model is swimming under water.
+     */
+    public boolean isSwimming;
+    /**
+     * True if the pony is crouching.
+     */
+    public boolean isCrouching;
+    /**
+     * True if the model is sitting as in boats.
+     */
+    public boolean isSitting;
+    /**
+     * Flag indicating that this model is performing a rainboom (flight).
+     */
+    public boolean isGoingFast;
+    /**
+     * True if the model is wearing any unconventional headgear (ie. a Pumpkin)
+     */
+    public boolean hasHeadGear;
+
+    /**
+     * Vertical pitch whilst flying.
+     */
+    public float motionPitch;
+    /**
+     * Lerp amount controlling leg swing whilst performing a rainboom.
+     */
+    public double motionLerp;
+
+    /**
+     * Unique id of the interpolator used for this model.
+     * Usually the UUID of the entity being rendered.
+     */
+    public UUID interpolatorId;
+
+    public int armWidth = 4;
+    public int armDepth = 4;
+
+    public int armLength = 12;
+
+    public float armRotationX = 3F;
+    public float armRotationY = 8F;
+
+    /**
+     * The actual, visible height of this model when rendered.
+     * Used when drawing nameplates.
+     */
+    public float visualHeight = 2F;
+
+    /**
+     * Checks flying and speed conditions and sets rainboom to true if we're a species with wings and is going faaast.
+     */
+    public void checkRainboom(T entity, float swing, boolean hasWings) {
+        Vec3d motion = entity.getVelocity();
+        double zMotion = Math.sqrt(motion.x * motion.x + motion.z * motion.z);
+
+        isGoingFast = (isFlying && hasWings) || isGliding;
+        isGoingFast &= zMotion > 0.4F;
+
+        motionLerp = MathUtil.clampLimit(zMotion * 30, 1);
+    }
+
+    public void updateLivingState(T entity, IPony pony) {
+        isCrouching = pony.isCrouching(entity);
+        isSleeping = entity.isSleeping();
+        isFlying = pony.isFlying(entity);
+        isGliding = entity.isFallFlying();
+        isSwimming = pony.isSwimming(entity);
+        hasHeadGear = pony.isWearingHeadgear(entity);
+        isSitting = pony.isRidingInteractive(entity);
+        interpolatorId = entity.getUuid();
+    }
+}

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

@@ -4,8 +4,8 @@ import net.minecraft.entity.Entity;
 import net.minecraft.util.Identifier;
 
 import com.minelittlepony.model.BodyPart;
+import com.minelittlepony.model.IModel;
 import com.minelittlepony.model.IPart;
-import com.minelittlepony.model.IPonyModel;
 
 import javax.annotation.Nullable;
 
@@ -19,7 +19,7 @@ public interface IGear extends IPart {
      *
      * @return True to render this wearable
      */
-    boolean canRender(IPonyModel<?> model, Entity entity);
+    boolean canRender(IModel model, Entity entity);
 
     /**
      * Gets the body location that this wearable appears on.
@@ -36,7 +36,7 @@ public interface IGear extends IPart {
     /**
      * Orients this wearable.
      */
-    default void setLivingAnimations(IPonyModel<?> model, Entity entity) {
+    default void setLivingAnimations(IModel model, Entity entity) {
 
     }