Add Elytra render for Elytra Upgrade

Temporarily stole a texture for it from https://www.reddit.com/user/lemoncake__ (http://imgur.com/a/sI5cv) until @Yulife can make a real one.

src/main/java/WayofTime/bloodmagic/client/render/LayerBloodElytra.java

@@ -0,0 +1,53 @@
+package WayofTime.bloodmagic.client.render;
+
+import WayofTime.bloodmagic.api.Constants;
+import WayofTime.bloodmagic.item.armour.ItemLivingArmour;
+import WayofTime.bloodmagic.livingArmour.LivingArmour;
+import net.minecraft.client.entity.AbstractClientPlayer;
+import net.minecraft.client.model.ModelElytra;
+import net.minecraft.client.renderer.GlStateManager;
+import net.minecraft.client.renderer.entity.RenderPlayer;
+import net.minecraft.client.renderer.entity.layers.LayerArmorBase;
+import net.minecraft.client.renderer.entity.layers.LayerRenderer;
+import net.minecraft.inventory.EntityEquipmentSlot;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.ResourceLocation;
+
+public class LayerBloodElytra implements LayerRenderer<AbstractClientPlayer> {
+
+    private static final ResourceLocation TEXTURE_BLOOD_ELYTRA = new ResourceLocation("bloodmagic", "textures/entities/bloodElytra.png");
+    private final RenderPlayer renderPlayer;
+    private final ModelElytra modelElytra = new ModelElytra();
+
+    public LayerBloodElytra(RenderPlayer renderPlayer) {
+        this.renderPlayer = renderPlayer;
+    }
+
+    @Override
+    public void doRenderLayer(AbstractClientPlayer clientPlayer, float limbSwing, float limbSwingAmount, float partialTicks, float ageInTicks, float netHeadYaw, float headPitch, float scale) {
+        if (LivingArmour.hasFullSet(clientPlayer)) {
+            ItemStack chestStack = clientPlayer.getItemStackFromSlot(EntityEquipmentSlot.CHEST);
+            if (ItemLivingArmour.hasUpgrade(Constants.Mod.MODID + ".upgrade.elytra", chestStack)) {
+                GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
+                GlStateManager.enableBlend();
+
+                renderPlayer.bindTexture(TEXTURE_BLOOD_ELYTRA);
+
+                GlStateManager.pushMatrix();
+                GlStateManager.translate(0.0F, 0.0F, 0.125F);
+                modelElytra.setRotationAngles(limbSwing, limbSwingAmount, ageInTicks, netHeadYaw, headPitch, scale, clientPlayer);
+                modelElytra.render(clientPlayer, limbSwing, limbSwingAmount, ageInTicks, netHeadYaw, headPitch, scale);
+
+                if (chestStack.isItemEnchanted())
+                    LayerArmorBase.renderEnchantedGlint(this.renderPlayer, clientPlayer, this.modelElytra, limbSwing, limbSwingAmount, partialTicks, ageInTicks, netHeadYaw, headPitch, scale);
+
+                GlStateManager.popMatrix();
+            }
+        }
+    }
+
+    @Override
+    public boolean shouldCombineTextures() {
+        return false;
+    }
+}

src/main/java/WayofTime/bloodmagic/item/armour/ItemLivingArmour.java

@@ -477,6 +477,15 @@ public class ItemLivingArmour extends ItemArmor implements ISpecialArmor, IMeshP
         return null;
     }
 
+    public static boolean hasUpgrade(String id, ItemStack stack) {
+        if (!armourMap.containsKey(stack))
+            armourMap.put(stack, getLivingArmour(stack));
+
+        LivingArmour armour = armourMap.get(stack);
+
+        return armour.upgradeMap.containsKey(id);
+    }
+
     public void setIsEnabled(ItemStack stack, boolean bool)
     {
         NBTHelper.checkNBT(stack);

src/main/java/WayofTime/bloodmagic/proxy/ClientProxy.java

@@ -1,13 +1,11 @@
 package WayofTime.bloodmagic.proxy;
 
+import WayofTime.bloodmagic.BloodMagic;
 import WayofTime.bloodmagic.api.Constants;
 import WayofTime.bloodmagic.client.IMeshProvider;
 import WayofTime.bloodmagic.client.IVariantProvider;
 import WayofTime.bloodmagic.client.helper.ShaderHelper;
-import WayofTime.bloodmagic.client.render.RenderAlchemyArray;
-import WayofTime.bloodmagic.client.render.RenderAltar;
-import WayofTime.bloodmagic.client.render.RenderDemonCrucible;
-import WayofTime.bloodmagic.client.render.RenderItemRoutingNode;
+import WayofTime.bloodmagic.client.render.*;
 import WayofTime.bloodmagic.client.render.entity.BloodLightRenderFactory;
 import WayofTime.bloodmagic.client.render.entity.SentientArrowRenderFactory;
 import WayofTime.bloodmagic.client.render.entity.SoulSnareRenderFactory;
@@ -27,6 +25,8 @@ import net.minecraft.block.Block;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.block.model.ModelResourceLocation;
 import net.minecraft.client.renderer.color.IItemColor;
+import net.minecraft.client.renderer.entity.RenderManager;
+import net.minecraft.client.renderer.entity.RenderPlayer;
 import net.minecraft.init.Items;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
@@ -36,9 +36,11 @@ import net.minecraftforge.client.model.obj.OBJLoader;
 import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.fml.client.registry.ClientRegistry;
 import net.minecraftforge.fml.client.registry.RenderingRegistry;
+import net.minecraftforge.fml.common.ObfuscationReflectionHelper;
 import org.apache.commons.lang3.tuple.Pair;
 
 import java.awt.*;
+import java.lang.reflect.Field;
 
 public class ClientProxy extends CommonProxy
 {
@@ -98,6 +100,8 @@ public class ClientProxy extends CommonProxy
                 return stack.hasTagCompound() && stack.getTagCompound().hasKey("bloody") ? new Color(0x8B191B).getRGB() : 16777215;
             }
         }, Items.BREAD);
+
+        addElytraLayer();
     }
 
     @Override
@@ -136,4 +140,20 @@ public class ClientProxy extends CommonProxy
                 ModelLoader.setCustomModelResourceLocation(item, variant.getLeft(), new ModelResourceLocation(new ResourceLocation(Constants.Mod.MODID, "item/" + name), variant.getRight()));
         }
     }
+
+    private void addElytraLayer() {
+        RenderManager renderManager = Minecraft.getMinecraft().getRenderManager();
+        try {
+            Field renderPlayerField = RenderManager.class.getDeclaredField("playerRenderer");
+            renderPlayerField.setAccessible(true);
+            Object renderPlayerObj = renderPlayerField.get(renderManager);
+            if (renderPlayerObj instanceof RenderPlayer) {
+                RenderPlayer renderPlayer = (RenderPlayer) renderPlayerObj;
+                renderPlayer.addLayer(new LayerBloodElytra(renderPlayer));
+            }
+        } catch (Exception e) {
+            BloodMagic.instance.getLogger().error("Failed to set custom Elytra Layer for Elytra Living Armour Upgrade.");
+            BloodMagic.instance.getLogger().error(e.getLocalizedMessage());
+        }
+    }
 }