Add armour apis

src/api/java/com/minelittlepony/api/armor/package-info.java

@@ -0,0 +1,7 @@
+@MethodsReturnNonnullByDefault
+@ParametersAreNonnullByDefault
+package com.minelittlepony.api.armor;
+
+import mcp.MethodsReturnNonnullByDefault;
+
+import javax.annotation.ParametersAreNonnullByDefault;

src/api/java/com/minelittlepony/api/events/Armor.java

@@ -0,0 +1,48 @@
+package com.minelittlepony.api.events;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.minelittlepony.model.capabilities.IModelArmor;
+
+import net.minecraft.client.model.ModelBiped;
+import net.minecraft.entity.Entity;
+import net.minecraft.inventory.EntityEquipmentSlot;
+
+class Armor implements EventBus<IPreArmorEventHandler>, IPreArmorEventHandler {
+
+    private final List<IPreArmorEventHandler> handlers = new ArrayList<IPreArmorEventHandler>();
+
+    @Override
+    public IPreArmorEventHandler dispatcher() {
+        return this;
+    }
+
+    public void addEventListener(IPreArmorEventHandler handler) {
+        if (handler == this) return;
+
+        handlers.add(handler);
+    }
+
+    private boolean cancel = false;
+
+    @Override
+    public <T extends ModelBiped & IModelArmor> boolean preRenderPonyArmor(T armour, Entity entity, float move, float swing, float partialTicks, float ticks, float headYaw, float headPitch, float scale, EntityEquipmentSlot armourSlot) {
+        if (handlers.size() == 0) return false;
+
+        handlers.forEach(handler -> {
+           cancel |= handler.preRenderPonyArmor(armour, entity, move, swing, partialTicks, ticks, headYaw, headPitch, scale, armourSlot);
+        });
+
+        return cancel;
+    }
+
+    @Override
+    public <T extends ModelBiped & IModelArmor> void postRenderPonyArmor(T armour, Entity entity, float move, float swing, float partialTicks, float ticks, float headYaw, float headPitch, float scale, EntityEquipmentSlot armourSlot) {
+        if (handlers.size() == 0) return;
+
+        handlers.forEach(handler -> {
+           handler.postRenderPonyArmor(armour, entity, move, swing, partialTicks, ticks, headYaw, headPitch, scale, armourSlot);
+        });
+    }
+}

src/api/java/com/minelittlepony/api/events/EventBus.java

@@ -0,0 +1,10 @@
+package com.minelittlepony.api.events;
+
+public interface EventBus<T> {
+
+    public static final EventBus<IPreArmorEventHandler> ARMOR = new Armor();
+
+    T dispatcher();
+
+    void addEventListener(T handler);
+}

src/api/java/com/minelittlepony/api/events/IPreArmorEventHandler.java

@@ -0,0 +1,15 @@
+package com.minelittlepony.api.events;
+
+import com.minelittlepony.model.capabilities.IModelArmor;
+
+import net.minecraft.client.model.ModelBiped;
+import net.minecraft.entity.Entity;
+import net.minecraft.inventory.EntityEquipmentSlot;
+
+public interface IPreArmorEventHandler {
+    <T extends ModelBiped & IModelArmor>
+    boolean preRenderPonyArmor(T armour, Entity entity, float move, float swing, float partialTicks, float ticks, float headYaw, float headPitch, float scale, EntityEquipmentSlot armourSlot);
+
+    <T extends ModelBiped & IModelArmor>
+    void postRenderPonyArmor(T armour, Entity entity, float move, float swing, float partialTicks, float ticks, float headYaw, float headPitch, float scale, EntityEquipmentSlot armourSlot);
+}

src/api/java/com/minelittlepony/api/events/package-info.java

@@ -0,0 +1,7 @@
+@MethodsReturnNonnullByDefault
+@ParametersAreNonnullByDefault
+package com.minelittlepony.api.events;
+
+import mcp.MethodsReturnNonnullByDefault;
+
+import javax.annotation.ParametersAreNonnullByDefault;

src/main/java/com/minelittlepony/model/armour/ModelPonyArmor.java

@@ -1,13 +1,16 @@
 package com.minelittlepony.model.armour;
 
+import net.minecraft.client.model.ModelBiped;
 import net.minecraft.entity.Entity;
 
 import static com.minelittlepony.model.PonyModelConstants.*;
 
 import com.minelittlepony.model.AbstractPonyModel;
+import com.minelittlepony.model.capabilities.IModel;
+import com.minelittlepony.model.capabilities.IModelArmor;
 import com.minelittlepony.render.PonyRenderer;
 
-public class ModelPonyArmor extends AbstractPonyModel {
+public class ModelPonyArmor extends AbstractPonyModel implements IModelArmor {
 
     public PonyRenderer flankGuard;
 
@@ -49,7 +52,7 @@ public class ModelPonyArmor extends AbstractPonyModel {
         super.renderLegs(scale);
     }
 
-    public void synchroniseLegs(AbstractPonyModel mainModel) {
+    public <T extends ModelBiped & IModel> void synchroniseLegs(T mainModel) {
         copyModelAngles(mainModel.bipedRightArm, bipedRightArm);
         copyModelAngles(mainModel.bipedLeftArm, bipedLeftArm);
         copyModelAngles(mainModel.bipedRightLeg, bipedRightLeg);

src/main/java/com/minelittlepony/model/capabilities/IModelArmor.java

@@ -0,0 +1,15 @@
+package com.minelittlepony.model.capabilities;
+
+import net.minecraft.client.model.ModelBiped;
+
+public interface IModelArmor extends IModel {
+    <T extends ModelBiped & IModel> void synchroniseLegs(T model);
+
+    void showFeet(boolean show);
+
+    void showLegs(boolean isPony);
+
+    void showSaddle(boolean isPony);
+
+    void showHead(boolean show);
+}

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

@@ -2,12 +2,15 @@ package com.minelittlepony.render.layer;
 
 import com.google.common.collect.Maps;
 import com.minelittlepony.ForgeProxy;
+import com.minelittlepony.api.events.EventBus;
 import com.minelittlepony.model.ModelWrapper;
 import com.minelittlepony.model.armour.ModelPonyArmor;
+import com.minelittlepony.model.capabilities.IModelArmor;
 import com.minelittlepony.util.coordinates.Color;
 
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.model.ModelBase;
+import net.minecraft.client.model.ModelBiped;
 import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.client.renderer.entity.RenderLivingBase;
 import net.minecraft.client.renderer.entity.layers.LayerArmorBase;
@@ -48,7 +51,7 @@ public class LayerPonyArmor<T extends EntityLivingBase> extends AbstractPonyLaye
         }
     }
 
-    private void renderArmor(T entity, float move, float swing, float partialTicks, float ticks, float headYaw, float headPitch, float scale, EntityEquipmentSlot armorSlot) {
+    private <V extends ModelBiped & IModelArmor> void renderArmor(T entity, float move, float swing, float partialTicks, float ticks, float headYaw, float headPitch, float scale, EntityEquipmentSlot armorSlot) {
         ItemStack itemstack = entity.getItemStackFromSlot(armorSlot);
 
         if (!itemstack.isEmpty() && itemstack.getItem() instanceof ItemArmor) {
@@ -65,6 +68,10 @@ public class LayerPonyArmor<T extends EntityLivingBase> extends AbstractPonyLaye
 
             getRenderer().bindTexture(armors.getFirst());
 
+            if (EventBus.ARMOR.dispatcher().preRenderPonyArmor(armour, entity, move, swing, partialTicks, ticks, headYaw, headPitch, scale, armorSlot)) {
+                return;
+            }
+
             if (itemarmor.getArmorMaterial() == ArmorMaterial.LEATHER) {
                 Color.glColor(itemarmor.getColor(itemstack), 1);
                 armour.render(entity, move, swing, ticks, headYaw, headPitch, scale);
@@ -78,6 +85,8 @@ public class LayerPonyArmor<T extends EntityLivingBase> extends AbstractPonyLaye
             if (itemstack.isItemEnchanted()) {
                 LayerArmorBase.renderEnchantedGlint(getRenderer(), entity, armour, move, swing, partialTicks, ticks, headYaw, headPitch, scale);
             }
+
+            EventBus.ARMOR.dispatcher().postRenderPonyArmor(armour, entity, move, swing, partialTicks, ticks, headYaw, headPitch, scale, armorSlot);
         }
     }
 
@@ -121,7 +130,7 @@ public class LayerPonyArmor<T extends EntityLivingBase> extends AbstractPonyLaye
         }
     }
 
-    private void prepareToRender(ModelPonyArmor model, EntityEquipmentSlot slot, boolean isPony) {
+    private <V extends ModelBiped & IModelArmor> void prepareToRender(V model, EntityEquipmentSlot slot, boolean isPony) {
         model.setVisible(false);
 
         switch (slot) {
@@ -161,8 +170,9 @@ public class LayerPonyArmor<T extends EntityLivingBase> extends AbstractPonyLaye
 
     private static ModelPonyArmor getArmorModel(EntityLivingBase entity, ItemStack itemstack, EntityEquipmentSlot slot, ModelPonyArmor def) {
         ModelBase model = ForgeProxy.getArmorModel(entity, itemstack, slot, def);
+
         if (model instanceof ModelPonyArmor) {
-            return (ModelPonyArmor) model;
+            return (ModelPonyArmor)model;
         }
 
         return def;