Adjust ponies riding posture to be less propane

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

@@ -97,7 +97,11 @@ public class PonyRenderManager {
 
     @SuppressWarnings("unchecked")
     @Nullable
-    public <T extends EntityLivingBase, R extends RenderLivingBase<T> & IRenderPony<T>> R getPonyRenderer(T entity) {
+    public <T extends EntityLivingBase, R extends RenderLivingBase<T> & IRenderPony<T>> R getPonyRenderer(@Nullable Entity entity) {
+        if (entity == null || !(entity instanceof EntityLivingBase)) {
+            return null;
+        }
+
         Render<Entity> renderer = Minecraft.getMinecraft().getRenderManager().getEntityRenderObject(entity);
 
         if (renderer instanceof RenderLivingBase && renderer instanceof IRenderPony) {

src/main/java/com/minelittlepony/ducks/IRenderPony.java

@@ -29,7 +29,7 @@ public interface IRenderPony<T extends EntityLivingBase> {
         if (!passengerPony.getRace(false).isHuman()) {
             float yaw = MathUtil.interpolateDegress(entity.prevRenderYawOffset, entity.renderYawOffset, ticks);
 
-            GlStateManager.translate(0, 0, 0.8F);
+            GlStateManager.translate(0, 0, 0.3F);
 
             getInternalRenderer().applyPostureRiding(entity, entity.ticksExisted + ticks, yaw, ticks);
         }

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

@@ -36,6 +36,7 @@ public abstract class AbstractPonyModel extends ModelPlayer implements IModel, P
     public boolean isFlying;
     public boolean isElytraFlying;
     public boolean isSwimming;
+    public boolean isRidingInteractive;
     public boolean headGear;
 
     /**
@@ -84,6 +85,7 @@ public abstract class AbstractPonyModel extends ModelPlayer implements IModel, P
         isElytraFlying = entity.isElytraFlying();
         isSwimming = pony.isSwimming(entity);
         headGear = pony.isWearingHeadgear(entity);
+        isRidingInteractive = pony.isRidingInteractive(entity);
     }
 
     /**
@@ -137,6 +139,27 @@ public abstract class AbstractPonyModel extends ModelPlayer implements IModel, P
 
             bipedLeftArm.rotateAngleZ = -PI * 0.06f;
             bipedRightArm.rotateAngleZ = PI * 0.06f;
+
+            if (isRidingInteractive) {
+                bipedLeftLeg.rotateAngleY = PI / 15;
+                bipedLeftLeg.rotateAngleX = PI / 9;
+
+                bipedLeftLeg.rotationPointZ = 10;
+                bipedLeftLeg.rotationPointY = 7;
+
+                bipedRightLeg.rotateAngleY = -PI / 15;
+                bipedRightLeg.rotateAngleX = PI / 9;
+
+                bipedRightLeg.rotationPointZ = 10;
+                bipedRightLeg.rotationPointY = 7;
+
+
+                bipedLeftArm.rotateAngleX = PI / 6;
+                bipedRightArm.rotateAngleX = PI / 6;
+
+                bipedLeftArm.rotateAngleZ *= 2;
+                bipedRightArm.rotateAngleZ *= 2;
+            }
         } else {
             adjustBody(BODY_ROT_X_NOTSNEAK, BODY_RP_Y_NOTSNEAK, BODY_RP_Z_NOTSNEAK);
 
@@ -163,11 +186,19 @@ public abstract class AbstractPonyModel extends ModelPlayer implements IModel, P
     }
 
     protected void adjustBodyRiding() {
+        if (isRidingInteractive) {
+            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);
+        } 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);
         }
 
+
+    }
+
     /**
      * Sets the model's various rotation angles.
      *

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

@@ -51,6 +51,18 @@ public interface IPony {
      */
     PonyRace getRace(boolean ignorePony);
 
+    /**
+     * Returns true if an entity is riding a pony or other sentient life-form.
+     *
+     * Boats do not count.
+     */
+    boolean isRidingInteractive(EntityLivingBase entity);
+
+    /**
+     * Returns the pony this entity is currently riding if any.
+     */
+    IPony getMountedPony(EntityLivingBase entity);
+
     /**
      * Gets the texture used for rendering this pony.
      * @return

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

@@ -3,6 +3,7 @@ package com.minelittlepony.pony.data;
 import com.google.common.base.MoreObjects;
 import com.google.common.base.Preconditions;
 import com.minelittlepony.MineLittlePony;
+import com.minelittlepony.ducks.IRenderPony;
 import com.voxelmodpack.hdskins.resources.texture.IBufferedTexture;
 
 import net.minecraft.block.material.Material;
@@ -10,6 +11,7 @@ import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.texture.ITextureObject;
 import net.minecraft.client.renderer.texture.TextureUtil;
 import net.minecraft.client.resources.IResource;
+import net.minecraft.entity.Entity;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.inventory.EntityEquipmentSlot;
 import net.minecraft.item.Item;
@@ -146,6 +148,20 @@ public class Pony implements IPony {
         return metadata;
     }
 
+    @Override
+    public boolean isRidingInteractive(EntityLivingBase entity) {
+        return MineLittlePony.getInstance().getRenderManager().getPonyRenderer(entity.getRidingEntity()) != null;
+    }
+
+    @Override
+    public IPony getMountedPony(EntityLivingBase entity) {
+        Entity mount = entity.getRidingEntity();
+
+        IRenderPony<EntityLivingBase> render = MineLittlePony.getInstance().getRenderManager().getPonyRenderer(mount);
+
+        return render == null ? null : render.getEntityPony((EntityLivingBase)mount);
+    }
+
     @Override
     public String toString() {
         return MoreObjects.toStringHelper(this)