Fix crash and compile

src/main/java/net/minecraft/src/GuiTexturePacks.java

@@ -2,10 +2,10 @@ package net.minecraft.src;
 
 import net.PeytonPlayz585.fileutils.File;
 import net.PeytonPlayz585.fileutils.FileChooserResult;
+import net.PeytonPlayz585.input.Mouse;
 import net.PeytonPlayz585.opengl.GL11;
 
 import java.util.List;
-import org.lwjgl.input.Mouse;
 
 public class GuiTexturePacks extends GuiScreen {
 	protected GuiScreen field_6461_a;

src/main/java/net/minecraft/src/RenderGlobal.java

@@ -225,11 +225,13 @@ public class RenderGlobal implements IWorldAccess {
 			}
 		}
 
-		if(this.worldObj != null) {
+		if(this.mc.theWorld != null) {
 			EntityPlayerSP var7 = this.mc.thePlayer;
+			if(var7 != null) {
 				this.func_956_b(MathHelper.floor_double(var7.posX), MathHelper.floor_double(var7.posY), MathHelper.floor_double(var7.posZ));
 				Arrays.sort(this.field_1445_n, new EntitySorter(var7));
 			}
+		}
 
 		this.field_1424_I = 2;
 	}

src/main/java/net/minecraft/src/TexturePackCustom.java

@@ -11,7 +11,7 @@ import net.PeytonPlayz585.awt.image.ImageIO;
 import net.PeytonPlayz585.fileutils.FileEntry;
 import net.PeytonPlayz585.util.zip.ZipFile;
 import net.minecraft.client.Minecraft;
-import org.lwjgl.opengl.GL11;
+import net.PeytonPlayz585.opengl.GL11;
 
 public class TexturePackCustom extends TexturePackBase {
 	private ZipFile field_6496_e;

src/teavm/java/net/PeytonPlayz585/Client.java

@@ -45,7 +45,7 @@ public class Client {
 				System.out.println(" -------- starting minecraft -------- ");
 				canvas.focus();
 				Minecraft mc = new Minecraft();
-				mc.field_6320_i = new Session("Player094");
+				mc.session = new Session("Player094");
 				mc.run();
 			//} catch(Exception e) {
 				//rip