Removed usage of GL11 in favor of using GlStateManager.

src/main/java/appeng/client/ClientHelper.java

@@ -24,9 +24,8 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
 
-import org.lwjgl.opengl.GL11;
-
 import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.client.renderer.entity.RenderManager;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.init.Items;
@@ -252,7 +251,7 @@ public class ClientHelper extends ServerHelper
 			final float r = 0xff & ( col.mediumVariant >> 16 );
 			final float g = 0xff & ( col.mediumVariant >> 8 );
 			final float b = 0xff & ( col.mediumVariant );
-			GL11.glColor3f( r / 255.0f, g / 255.0f, b / 255.0f );
+			GlStateManager.color( r / 255.0f, g / 255.0f, b / 255.0f );
 		}
 	}
 

src/main/java/appeng/client/gui/AEBaseGui.java

@@ -233,7 +233,7 @@ public abstract class AEBaseGui extends GuiContainer
 	{
 		final int ox = this.guiLeft; // (width - xSize) / 2;
 		final int oy = this.guiTop; // (height - ySize) / 2;
-		GL11.glColor4f( 1.0F, 1.0F, 1.0F, 1.0F );
+		GlStateManager.color( 1.0F, 1.0F, 1.0F, 1.0F );
 
 		if( this.getScrollBar() != null )
 		{
@@ -250,7 +250,7 @@ public abstract class AEBaseGui extends GuiContainer
 	{
 		final int ox = this.guiLeft; // (width - xSize) / 2;
 		final int oy = this.guiTop; // (height - ySize) / 2;
-		GL11.glColor4f( 1.0F, 1.0F, 1.0F, 1.0F );
+		GlStateManager.color( 1.0F, 1.0F, 1.0F, 1.0F );
 		this.drawBG( ox, oy, x, y );
 
 		final List<Slot> slots = this.getInventorySlots();
@@ -267,10 +267,10 @@ public abstract class AEBaseGui extends GuiContainer
 					}
 					else
 					{
-						GL11.glColor4f( 1.0F, 1.0F, 1.0F, 0.4F );
+						GlStateManager.color( 1.0F, 1.0F, 1.0F, 0.4F );
 						GlStateManager.enableBlend();
 						this.drawTexturedModalRect( ox + fs.xDisplayPosition - 1, oy + fs.yDisplayPosition - 1, fs.getSourceX() - 1, fs.getSourceY() - 1, 18, 18 );
-						GL11.glColor4f( 1.0F, 1.0F, 1.0F, 1.0F );
+						GlStateManager.color( 1.0F, 1.0F, 1.0F, 1.0F );
 					}
 				}
 			}
@@ -669,7 +669,9 @@ public abstract class AEBaseGui extends GuiContainer
 		this.itemRender.zLevel = 100.0F;
 
 		RenderHelper.enableGUIStandardItemLighting();
+		GlStateManager.enableDepth();
 		this.itemRender.renderItemAndEffectIntoGUI( is, x, y );
+		GlStateManager.disableDepth();
 
 		this.itemRender.zLevel = 0.0F;
 		this.zLevel = 0.0F;
@@ -740,17 +742,16 @@ public abstract class AEBaseGui extends GuiContainer
 					{
 						this.bindTexture( "guis/states.png" );
 
-						GL11.glPushAttrib( GL11.GL_ALL_ATTRIB_BITS );
 						try
 						{
 							final int uv_y = (int) Math.floor( aes.getIcon() / 16 );
 							final int uv_x = aes.getIcon() - uv_y * 16;
 
-							GL11.glEnable( GL11.GL_BLEND );
+							GlStateManager.enableBlend();
-							GL11.glDisable( GL11.GL_LIGHTING );
+							GlStateManager.disableLighting();
-							GL11.glEnable( GL11.GL_TEXTURE_2D );
+							GlStateManager.enableTexture2D();
-							GL11.glBlendFunc( GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA );
+							GlStateManager.blendFunc( GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA );
-							GL11.glColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
+							GlStateManager.color( 1.0f, 1.0f, 1.0f, 1.0f );
 							final float par1 = aes.xDisplayPosition;
 							final float par2 = aes.yDisplayPosition;
 							final float par3 = uv_x * 16;
@@ -770,11 +771,11 @@ public abstract class AEBaseGui extends GuiContainer
 							vb.pos( par1 + par5, par2 + 0, this.zLevel ).tex( ( par3 + par5 ) * f, ( par4 + 0 ) * f1 ).color( 1.0f, 1.0f, 1.0f, aes.getOpacityOfIcon() ).endVertex();
 							vb.pos( par1 + 0, par2 + 0, this.zLevel ).tex( ( par3 + 0 ) * f, ( par4 + 0 ) * f1 ).color( 1.0f, 1.0f, 1.0f, aes.getOpacityOfIcon() ).endVertex();
 							tessellator.draw();
+
 						}
 						catch( final Exception err )
 						{
 						}
-						GL11.glPopAttrib();
 					}
 				}
 
@@ -802,9 +803,9 @@ public abstract class AEBaseGui extends GuiContainer
 						this.zLevel = 100.0F;
 						this.itemRender.zLevel = 100.0F;
 
-						GL11.glDisable( GL11.GL_LIGHTING );
+						GlStateManager.disableLighting();
 						drawRect( s.xDisplayPosition, s.yDisplayPosition, 16 + s.xDisplayPosition, 16 + s.yDisplayPosition, 0x66ff6666 );
-						GL11.glEnable( GL11.GL_LIGHTING );
+						GlStateManager.enableLighting();
 
 						this.zLevel = 0.0F;
 						this.itemRender.zLevel = 0.0F;

src/main/java/appeng/client/gui/implementations/GuiCraftingCPU.java

@@ -29,7 +29,6 @@ import java.util.concurrent.TimeUnit;
 import com.google.common.base.Joiner;
 
 import org.apache.commons.lang3.time.DurationFormatUtils;
-import org.lwjgl.opengl.GL11;
 
 import net.minecraft.client.gui.GuiButton;
 import net.minecraft.client.renderer.GlStateManager;

src/main/java/appeng/client/gui/implementations/GuiInterfaceTerminal.java

@@ -31,8 +31,7 @@ import java.util.WeakHashMap;
 
 import com.google.common.collect.HashMultimap;
 
-import org.lwjgl.opengl.GL11;
+import net.minecraft.client.renderer.GlStateManager;
-
 import net.minecraft.entity.player.InventoryPlayer;
 import net.minecraft.inventory.Slot;
 import net.minecraft.item.ItemStack;
@@ -175,7 +174,7 @@ public class GuiInterfaceTerminal extends AEBaseGui
 			{
 				final ClientDCInternalInv inv = (ClientDCInternalInv) lineObj;
 
-				GL11.glColor4f( 1, 1, 1, 1 );
+				GlStateManager.color( 1, 1, 1, 1 );
 				final int width = inv.getInventory().getSizeInventory() * 18;
 				this.drawTexturedModalRect( offsetX + 7, offsetY + offset, 7, 139, width, 18 );
 			}

src/main/java/appeng/client/gui/implementations/GuiVibrationChamber.java

@@ -19,8 +19,7 @@
 package appeng.client.gui.implementations;
 
 
-import org.lwjgl.opengl.GL11;
+import net.minecraft.client.renderer.GlStateManager;
-
 import net.minecraft.entity.player.InventoryPlayer;
 
 import appeng.client.gui.AEBaseGui;
@@ -65,7 +64,7 @@ public class GuiVibrationChamber extends AEBaseGui
 		{
 			final int i1 = this.cvc.getCurrentProgress();
 			this.bindTexture( "guis/vibchamber.png" );
-			GL11.glColor3f( 1, 1, 1 );
+			GlStateManager.color( 1, 1, 1 );
 			final int l = -15;
 			final int k = 25;
 			this.drawTexturedModalRect( k + 56, l + 36 + 12 - i1, 176, 12 - i1, 14, i1 + 2 );

src/main/java/appeng/client/gui/widgets/GuiImgButton.java

@@ -23,10 +23,9 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.regex.Pattern;
 
-import org.lwjgl.opengl.GL11;
-
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.GuiButton;
+import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.text.translation.I18n;
 
@@ -195,17 +194,17 @@ public class GuiImgButton extends GuiButton implements ITooltip
 				this.width = 8;
 				this.height = 8;
 
-				GL11.glPushMatrix();
+				GlStateManager.pushMatrix();
-				GL11.glTranslatef( this.xPosition, this.yPosition, 0.0F );
+				GlStateManager.translate( this.xPosition, this.yPosition, 0.0F );
-				GL11.glScalef( 0.5f, 0.5f, 0.5f );
+				GlStateManager.scale( 0.5f, 0.5f, 0.5f );
 
 				if( this.enabled )
 				{
-					GL11.glColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
+					GlStateManager.color( 1.0f, 1.0f, 1.0f, 1.0f );
 				}
 				else
 				{
-					GL11.glColor4f( 0.5f, 0.5f, 0.5f, 1.0f );
+					GlStateManager.color( 0.5f, 0.5f, 0.5f, 1.0f );
 				}
 
 				par1Minecraft.renderEngine.bindTexture( new ResourceLocation( "appliedenergistics2", "textures/guis/states.png" ) );
@@ -218,17 +217,17 @@ public class GuiImgButton extends GuiButton implements ITooltip
 				this.drawTexturedModalRect( 0, 0, uv_x * 16, uv_y * 16, 16, 16 );
 				this.mouseDragged( par1Minecraft, par2, par3 );
 
-				GL11.glPopMatrix();
+				GlStateManager.popMatrix();
 			}
 			else
 			{
 				if( this.enabled )
 				{
-					GL11.glColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
+					GlStateManager.color( 1.0f, 1.0f, 1.0f, 1.0f );
 				}
 				else
 				{
-					GL11.glColor4f( 0.5f, 0.5f, 0.5f, 1.0f );
+					GlStateManager.color( 0.5f, 0.5f, 0.5f, 1.0f );
 				}
 
 				par1Minecraft.renderEngine.bindTexture( new ResourceLocation( "appliedenergistics2", "textures/guis/states.png" ) );
@@ -242,7 +241,7 @@ public class GuiImgButton extends GuiButton implements ITooltip
 				this.mouseDragged( par1Minecraft, par2, par3 );
 			}
 		}
-		GL11.glColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
+		GlStateManager.color( 1.0f, 1.0f, 1.0f, 1.0f );
 	}
 
 	private int getIconIndex()

src/main/java/appeng/client/gui/widgets/GuiScrollbar.java

@@ -19,7 +19,7 @@
 package appeng.client.gui.widgets;
 
 
-import org.lwjgl.opengl.GL11;
+import net.minecraft.client.renderer.GlStateManager;
 
 import appeng.client.gui.AEBaseGui;
 
@@ -40,7 +40,7 @@ public class GuiScrollbar implements IScrollSource
 	public void draw( final AEBaseGui g )
 	{
 		g.bindTexture( "minecraft", "gui/container/creative_inventory/tabs.png" );
-		GL11.glColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
+		GlStateManager.color( 1.0f, 1.0f, 1.0f, 1.0f );
 
 		if( this.getRange() == 0 )
 		{

src/main/java/appeng/client/gui/widgets/GuiTabButton.java

@@ -19,8 +19,6 @@
 package appeng.client.gui.widgets;
 
 
-import org.lwjgl.opengl.GL11;
-
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.GuiButton;
 import net.minecraft.client.renderer.GlStateManager;
@@ -77,7 +75,7 @@ public class GuiTabButton extends GuiButton implements ITooltip
 	{
 		if( this.visible )
 		{
-			GL11.glColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
+			GlStateManager.color( 1.0f, 1.0f, 1.0f, 1.0f );
 			minecraft.renderEngine.bindTexture( new ResourceLocation( "appliedenergistics2", "textures/guis/states.png" ) );
 			this.hovered = x >= this.xPosition && y >= this.yPosition && x < this.xPosition + this.width && y < this.yPosition + this.height;
 

src/main/java/appeng/client/gui/widgets/GuiToggleButton.java

@@ -21,10 +21,9 @@ package appeng.client.gui.widgets;
 
 import java.util.regex.Pattern;
 
-import org.lwjgl.opengl.GL11;
-
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.GuiButton;
+import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.text.translation.I18n;
 
@@ -65,7 +64,7 @@ public class GuiToggleButton extends GuiButton implements ITooltip
 		{
 			final int iconIndex = this.getIconIndex();
 
-			GL11.glColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
+			GlStateManager.color( 1.0f, 1.0f, 1.0f, 1.0f );
 			par1Minecraft.renderEngine.bindTexture( new ResourceLocation( "appliedenergistics2", "textures/guis/states.png" ) );
 			this.hovered = par2 >= this.xPosition && par3 >= this.yPosition && par2 < this.xPosition + this.width && par3 < this.yPosition + this.height;
 

src/main/java/appeng/client/render/SpatialSkyRender.java

@@ -26,6 +26,7 @@ import org.lwjgl.opengl.GL11;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.multiplayer.WorldClient;
 import net.minecraft.client.renderer.GLAllocation;
+import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.client.renderer.OpenGlHelper;
 import net.minecraft.client.renderer.RenderHelper;
 import net.minecraft.client.renderer.Tessellator;
@@ -60,52 +61,52 @@ public class SpatialSkyRender extends IRenderHandler
 		if( now - this.cycle > 2000 )
 		{
 			this.cycle = now;
-			GL11.glNewList( this.dspList, GL11.GL_COMPILE );
+			GlStateManager.glNewList( this.dspList, GL11.GL_COMPILE );
 			this.renderTwinkles();
-			GL11.glEndList();
+			GlStateManager.glEndList();
 		}
 
 		float fade = now - this.cycle;
 		fade /= 1000;
 		fade = 0.15f * ( 1.0f - Math.abs( ( fade - 1.0f ) * ( fade - 1.0f ) ) );
 
-		GL11.glPushAttrib( GL11.GL_ALL_ATTRIB_BITS );
+		GlStateManager.pushAttrib();
 
-		GL11.glDisable( GL11.GL_FOG );
+		GlStateManager.disableFog();
-		GL11.glDisable( GL11.GL_ALPHA_TEST );
+		GlStateManager.disableAlpha();
-		GL11.glDisable( GL11.GL_BLEND );
+		GlStateManager.disableBlend();
-		GL11.glDepthMask( false );
+		GlStateManager.depthMask( false );
-		GL11.glColor4f( 0.0f, 0.0f, 0.0f, 1.0f );
+		GlStateManager.color( 0.0f, 0.0f, 0.0f, 1.0f );
 		final Tessellator tessellator = Tessellator.getInstance();
 		final VertexBuffer VertexBuffer = tessellator.getBuffer();
 
 		for( int i = 0; i < 6; ++i )
 		{
-			GL11.glPushMatrix();
+			GlStateManager.pushMatrix();
 
 			if( i == 1 )
 			{
-				GL11.glRotatef( 90.0F, 1.0F, 0.0F, 0.0F );
+				GlStateManager.rotate( 90.0F, 1.0F, 0.0F, 0.0F );
 			}
 
 			if( i == 2 )
 			{
-				GL11.glRotatef( -90.0F, 1.0F, 0.0F, 0.0F );
+				GlStateManager.rotate( -90.0F, 1.0F, 0.0F, 0.0F );
 			}
 
 			if( i == 3 )
 			{
-				GL11.glRotatef( 180.0F, 1.0F, 0.0F, 0.0F );
+				GlStateManager.rotate( 180.0F, 1.0F, 0.0F, 0.0F );
 			}
 
 			if( i == 4 )
 			{
-				GL11.glRotatef( 90.0F, 0.0F, 0.0F, 1.0F );
+				GlStateManager.rotate( 90.0F, 0.0F, 0.0F, 1.0F );
 			}
 
 			if( i == 5 )
 			{
-				GL11.glRotatef( -90.0F, 0.0F, 0.0F, 1.0F );
+				GlStateManager.rotate( -90.0F, 0.0F, 0.0F, 1.0F );
 			}
 
 			VertexBuffer.begin( GL11.GL_QUADS, DefaultVertexFormats.ITEM );
@@ -114,32 +115,29 @@ public class SpatialSkyRender extends IRenderHandler
 			VertexBuffer.color( 0f, 0f, 0f, 1f ).pos( 100.0D, -100.0D, 100.0D ).tex( 16.0D, 16.0D ).endVertex();
 			VertexBuffer.color( 0f, 0f, 0f, 1f ).pos( 100.0D, -100.0D, -100.0D ).tex( 16.0D, 0.0D ).endVertex();
 			tessellator.draw();
-			GL11.glPopMatrix();
+			GlStateManager.popMatrix();
 		}
 
-		GL11.glDepthMask( true );
+		GlStateManager.depthMask( true );
 
 		if( fade > 0.0f )
 		{
-			GL11.glDisable( GL11.GL_FOG );
+			GlStateManager.disableFog();
-			GL11.glDisable( GL11.GL_ALPHA_TEST );
+			GlStateManager.disableAlpha();
-			GL11.glEnable( GL11.GL_BLEND );
+			GlStateManager.enableBlend();
-			GL11.glDepthMask( false );
+			GlStateManager.disableTexture2D();
-			GL11.glEnable( GL11.GL_FOG );
+			GlStateManager.depthMask( false );
-			GL11.glDisable( GL11.GL_FOG );
-			GL11.glDisable( GL11.GL_ALPHA_TEST );
-			GL11.glDisable( GL11.GL_TEXTURE_2D );
 			OpenGlHelper.glBlendFunc( 770, 771, 1, 0 );
 			RenderHelper.disableStandardItemLighting();
-			GL11.glDepthMask( false );
+			GlStateManager.depthMask( false );
 
-			GL11.glColor4f( fade, fade, fade, 1.0f );
+			GlStateManager.color( fade, fade, fade, 1.0f );
-			GL11.glCallList( this.dspList );
+			GlStateManager.callList( this.dspList );
 		}
 
-		GL11.glPopAttrib();
+		GlStateManager.popAttrib();
 
-		GL11.glColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
+		GlStateManager.color( 1.0f, 1.0f, 1.0f, 1.0f );
 	}
 
 	private void renderTwinkles()

src/main/java/appeng/client/render/StackSizeRenderer.java

@@ -19,8 +19,6 @@
 package appeng.client.render;
 
 
-import org.lwjgl.opengl.GL11;
-
 import net.minecraft.client.gui.FontRenderer;
 import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.item.ItemStack;
@@ -61,12 +59,12 @@ public class StackSizeRenderer
 				GlStateManager.disableLighting();
 				GlStateManager.disableDepth();
 				GlStateManager.disableBlend();
-				GL11.glPushMatrix();
+				GlStateManager.pushMatrix();
-				GL11.glScaled( scaleFactor, scaleFactor, scaleFactor );
+				GlStateManager.scale( scaleFactor, scaleFactor, scaleFactor );
 				final int X = (int) ( ( (float) xPos + offset + 16.0f - fontRenderer.getStringWidth( craftLabelText ) * scaleFactor ) * inverseScaleFactor );
 				final int Y = (int) ( ( (float) yPos + offset + 16.0f - 7.0f * scaleFactor ) * inverseScaleFactor );
 				fontRenderer.drawStringWithShadow( craftLabelText, X, Y, 16777215 );
-				GL11.glPopMatrix();
+				GlStateManager.popMatrix();
 				GlStateManager.enableLighting();
 				GlStateManager.enableDepth();
 				GlStateManager.enableBlend();
@@ -80,12 +78,12 @@ public class StackSizeRenderer
 				GlStateManager.disableLighting();
 				GlStateManager.disableDepth();
 				GlStateManager.disableBlend();
-				GL11.glPushMatrix();
+				GlStateManager.pushMatrix();
-				GL11.glScaled( scaleFactor, scaleFactor, scaleFactor );
+				GlStateManager.scale( scaleFactor, scaleFactor, scaleFactor );
 				final int X = (int) ( ( (float) xPos + offset + 16.0f - fontRenderer.getStringWidth( stackSize ) * scaleFactor ) * inverseScaleFactor );
 				final int Y = (int) ( ( (float) yPos + offset + 16.0f - 7.0f * scaleFactor ) * inverseScaleFactor );
 				fontRenderer.drawStringWithShadow( stackSize, X, Y, 16777215 );
-				GL11.glPopMatrix();
+				GlStateManager.popMatrix();
 				GlStateManager.enableLighting();
 				GlStateManager.enableDepth();
 				GlStateManager.enableBlend();

src/main/java/appeng/client/render/TesrRenderHelper.java

@@ -19,8 +19,6 @@
 package appeng.client.render;
 
 
-import org.lwjgl.opengl.GL11;
-
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.FontRenderer;
 import net.minecraft.client.renderer.GlStateManager;
@@ -48,7 +46,7 @@ public class TesrRenderHelper
 	 */
 	public static void moveToFace( EnumFacing face )
 	{
-		GL11.glTranslated( face.getFrontOffsetX() * 0.50, face.getFrontOffsetY() * 0.50, face.getFrontOffsetZ() * 0.50 );
+		GlStateManager.translate( face.getFrontOffsetX() * 0.50, face.getFrontOffsetY() * 0.50, face.getFrontOffsetZ() * 0.50 );
 	}
 
 	/**
@@ -61,34 +59,34 @@ public class TesrRenderHelper
 		switch( face )
 		{
 			case UP:
-				GL11.glScalef( 1.0f, -1.0f, 1.0f );
+				GlStateManager.scale( 1.0f, -1.0f, 1.0f );
-				GL11.glRotatef( 90.0f, 1.0f, 0.0f, 0.0f );
+				GlStateManager.rotate( 90.0f, 1.0f, 0.0f, 0.0f );
-				GL11.glRotatef( spin * 90.0F, 0, 0, 1 );
+				GlStateManager.rotate( spin * 90.0F, 0, 0, 1 );
 				break;
 
 			case DOWN:
-				GL11.glScalef( 1.0f, -1.0f, 1.0f );
+				GlStateManager.scale( 1.0f, -1.0f, 1.0f );
-				GL11.glRotatef( -90.0f, 1.0f, 0.0f, 0.0f );
+				GlStateManager.rotate( -90.0f, 1.0f, 0.0f, 0.0f );
-				GL11.glRotatef( spin * -90.0F, 0, 0, 1 );
+				GlStateManager.rotate( spin * -90.0F, 0, 0, 1 );
 				break;
 
 			case EAST:
-				GL11.glScalef( -1.0f, -1.0f, -1.0f );
+				GlStateManager.scale( -1.0f, -1.0f, -1.0f );
-				GL11.glRotatef( -90.0f, 0.0f, 1.0f, 0.0f );
+				GlStateManager.rotate( -90.0f, 0.0f, 1.0f, 0.0f );
 				break;
 
 			case WEST:
-				GL11.glScalef( -1.0f, -1.0f, -1.0f );
+				GlStateManager.scale( -1.0f, -1.0f, -1.0f );
-				GL11.glRotatef( 90.0f, 0.0f, 1.0f, 0.0f );
+				GlStateManager.rotate( 90.0f, 0.0f, 1.0f, 0.0f );
 				break;
 
 			case NORTH:
-				GL11.glScalef( -1.0f, -1.0f, -1.0f );
+				GlStateManager.scale( -1.0f, -1.0f, -1.0f );
 				break;
 
 			case SOUTH:
-				GL11.glScalef( -1.0f, -1.0f, -1.0f );
+				GlStateManager.scale( -1.0f, -1.0f, -1.0f );
-				GL11.glRotatef( 180.0f, 0.0f, 1.0f, 0.0f );
+				GlStateManager.rotate( 180.0f, 0.0f, 1.0f, 0.0f );
 				break;
 
 			default:
@@ -137,9 +135,9 @@ public class TesrRenderHelper
 		// Render the item count
 		final FontRenderer fr = Minecraft.getMinecraft().fontRendererObj;
 		final int width = fr.getStringWidth( renderedStackSize );
-		GL11.glTranslatef( 0.0f, spacing, 0 );
+		GlStateManager.translate( 0.0f, spacing, 0 );
-		GL11.glScalef( 1.0f / 62.0f, 1.0f / 62.0f, 1.0f / 62.0f );
+		GlStateManager.scale( 1.0f / 62.0f, 1.0f / 62.0f, 1.0f / 62.0f );
-		GL11.glTranslatef( -0.5f * width, 0.0f, 0.5f );
+		GlStateManager.translate( -0.5f * width, 0.0f, 0.5f );
 		fr.drawString( renderedStackSize, 0, 0, 0 );
 
 	}

src/main/java/appeng/client/render/crafting/CraftingMonitorTESR.java

@@ -19,8 +19,6 @@
 package appeng.client.render.crafting;
 
 
-import org.lwjgl.opengl.GL11;
-
 import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
 import net.minecraft.util.EnumFacing;
@@ -53,7 +51,7 @@ public class CraftingMonitorTESR extends TileEntitySpecialRenderer<TileCraftingM
 		if( jobProgress != null )
 		{
 			GlStateManager.pushMatrix();
-			GL11.glTranslated( x + 0.5, y + 0.5, z + 0.5 );
+			GlStateManager.translate( x + 0.5, y + 0.5, z + 0.5 );
 
 			TesrRenderHelper.moveToFace( facing );
 			TesrRenderHelper.rotateToFace( facing, (byte) 0 );

src/main/java/appeng/entity/RenderFloatingItem.java

@@ -19,9 +19,8 @@
 package appeng.entity;
 
 
-import org.lwjgl.opengl.GL11;
-
 import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.client.renderer.entity.RenderEntityItem;
 import net.minecraft.client.renderer.entity.RenderManager;
 import net.minecraft.entity.item.EntityItem;
@@ -48,15 +47,15 @@ public class RenderFloatingItem extends RenderEntityItem
 			final EntityFloatingItem efi = (EntityFloatingItem) entityItem;
 			if( efi.getProgress() > 0.0 )
 			{
-				GL11.glPushMatrix();
+				GlStateManager.pushMatrix();
 
 				if( !( efi.getEntityItem().getItem() instanceof ItemBlock ) )
 				{
-					GL11.glTranslatef( 0, -0.15f, 0 );
+					GlStateManager.translate( 0, -0.15f, 0 );
 				}
 
 				super.doRender( efi, x, y, z, yaw, partialTick );
-				GL11.glPopMatrix();
+				GlStateManager.popMatrix();
 			}
 		}
 	}

src/main/java/appeng/entity/RenderTinyTNTPrimed.java

@@ -19,8 +19,6 @@
 package appeng.entity;
 
 
-import org.lwjgl.opengl.GL11;
-
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.BlockRendererDispatcher;
 import net.minecraft.client.renderer.GlStateManager;
@@ -74,10 +72,10 @@ public class RenderTinyTNTPrimed extends Render
 			f2 *= f2;
 			f2 *= f2;
 			final float f3 = 1.0F + f2 * 0.3F;
-			GL11.glScalef( f3, f3, f3 );
+			GlStateManager.scale( f3, f3, f3 );
 		}
 
-		GL11.glScalef( 0.5f, 0.5f, 0.5f );
+		GlStateManager.scale( 0.5f, 0.5f, 0.5f );
 		f2 = ( 1.0F - ( tnt.getFuse() - life + 1.0F ) / 100.0F ) * 0.8F;
 		this.bindEntityTexture( tnt );
 		GlStateManager.translate( -0.5F, -0.5F, 0.5F );

src/main/java/appeng/parts/reporting/AbstractPartMonitor.java

@@ -22,8 +22,6 @@ package appeng.parts.reporting;
 import java.io.IOException;
 import java.util.List;
 
-import org.lwjgl.opengl.GL11;
-
 import io.netty.buffer.ByteBuf;
 
 import net.minecraft.client.renderer.GlStateManager;
@@ -252,7 +250,7 @@ public abstract class AbstractPartMonitor extends AbstractPartDisplay implements
 		}
 
 		GlStateManager.pushMatrix();
-		GL11.glTranslated( x + 0.5, y + 0.5, z + 0.5 );
+		GlStateManager.translate( x + 0.5, y + 0.5, z + 0.5 );
 
 		EnumFacing facing = this.getSide().getFacing();