Implemented player skin overlays to be compatible with other mods' custom player renderers (Renders on top using events instead of registering a new renderer).

src/main/java/noppes/npcs/client/ClientEventHandler.java

@@ -1,12 +1,19 @@
 package noppes.npcs.client;
 
 import cpw.mods.fml.common.eventhandler.SubscribeEvent;
-import net.minecraft.client.renderer.OpenGlHelper;
+import cpw.mods.fml.common.gameevent.TickEvent;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.entity.RenderManager;
 import net.minecraftforge.client.event.RenderGameOverlayEvent;
+import net.minecraftforge.client.event.RenderHandEvent;
+import net.minecraftforge.client.event.RenderPlayerEvent;
 import noppes.npcs.client.gui.customoverlay.OverlayCustom;
+import noppes.npcs.client.renderer.RenderCNPCPlayer;
 import org.lwjgl.opengl.GL11;
 
 public class ClientEventHandler {
+    RenderCNPCPlayer renderCNPCPlayer = new RenderCNPCPlayer();
+
     @SubscribeEvent
     public void onOverlayRender(RenderGameOverlayEvent.Post event){
         if(event.type == RenderGameOverlayEvent.ElementType.ALL) {
@@ -15,4 +22,33 @@ public class ClientEventHandler {
             }
         }
     }
+
+    @SubscribeEvent
+    public void onRenderPlayer(RenderPlayerEvent.Post event) {
+        if (!(event.renderer instanceof RenderCNPCPlayer)) {
+            renderCNPCPlayer.doRender(event.entityPlayer, 0, 0, 0, 0.0F, event.partialRenderTick);
+        }
+    }
+
+    @SubscribeEvent
+    public void onClientTick(TickEvent.ClientTickEvent event) {
+        Minecraft mc = Minecraft.getMinecraft();
+        if (mc.thePlayer != null && mc.theWorld != null && !mc.isGamePaused() && event.phase == TickEvent.Phase.END) {
+            renderCNPCPlayer.itemRenderer.updateEquippedItem();
+            renderCNPCPlayer.updateFovModifierHand();
+        }
+    }
+
+    @SubscribeEvent
+    public void onRenderHand(RenderHandEvent event) {
+        if (Client.skinOverlays.containsKey(Minecraft.getMinecraft().thePlayer.getUniqueID()) && Client.skinOverlays.get(Minecraft.getMinecraft().thePlayer.getUniqueID()).values().size() > 0) {
+            GL11.glPushMatrix();
+                event.setCanceled(true);
+                GL11.glClear(GL11.GL_DEPTH_BUFFER_BIT);
+                renderCNPCPlayer.renderHand(event.partialTicks, event.renderPass);
+            GL11.glPopMatrix();
+        } else {
+            event.setCanceled(false);
+        }
+    }
 }