diff --git a/build/build.properties b/build/build.properties
index 55d5901..481366a 100644
--- a/build/build.properties
+++ b/build/build.properties
@@ -1,3 +1,3 @@
-minecraft_version=1.7.2
-forge_version=10.12.0.1054
+minecraft_version=1.7.10
+forge_version=10.13.0.1151
 mod_version=1.1.1
diff --git a/src/codechicken/lib/gui/GuiDraw.java b/src/codechicken/lib/gui/GuiDraw.java
index 59875ca..41d84cd 100644
--- a/src/codechicken/lib/gui/GuiDraw.java
+++ b/src/codechicken/lib/gui/GuiDraw.java
@@ -101,7 +101,7 @@ public class GuiDraw
 
     public static Dimension displaySize() {
         Minecraft mc = Minecraft.getMinecraft();
-        ScaledResolution res = new ScaledResolution(mc.gameSettings, mc.displayWidth, mc.displayHeight);
+        ScaledResolution res = new ScaledResolution(mc, mc.displayWidth, mc.displayHeight);
         return new Dimension(res.getScaledWidth(), res.getScaledHeight());
     }
 
diff --git a/src/codechicken/lib/packet/PacketCustom.java b/src/codechicken/lib/packet/PacketCustom.java
index 715f011..7e238f2 100644
--- a/src/codechicken/lib/packet/PacketCustom.java
+++ b/src/codechicken/lib/packet/PacketCustom.java
@@ -538,7 +538,7 @@ public final class PacketCustom implements MCDataInput, MCDataOutput
 
     public static void sendToOps(Packet packet) {
         for (EntityPlayerMP player : (List<EntityPlayerMP>) MinecraftServer.getServer().getConfigurationManager().playerEntityList)
-            if (MinecraftServer.getServer().getConfigurationManager().isPlayerOpped(player.getCommandSenderName()))
+            if (MinecraftServer.getServer().getConfigurationManager().func_152596_g(player.getGameProfile()))
                 sendToPlayer(packet, player);
     }
 
diff --git a/src/codechicken/lib/render/CCModel.java b/src/codechicken/lib/render/CCModel.java
index 09eb602..8240f0c 100644
--- a/src/codechicken/lib/render/CCModel.java
+++ b/src/codechicken/lib/render/CCModel.java
@@ -790,9 +790,7 @@ public class CCModel implements CCRenderState.IVertexSource, Copyable<CCModel>
      */
     public CCModel sidedCopy(int side1, int side2, Vector3 point)
     {
-        CCModel model = newModel(vertexMode, verts.length);
-        copy(this, 0, model, 0, model.verts.length);
-        return model.apply(new TransformationList(sideRotations[side1].inverse(), sideRotations[side2]).at(point));
+        return copy().apply(new TransformationList(sideRotations[side1].inverse(), sideRotations[side2]).at(point));
     }
 
     /**