From 4d5a6ce301c8becebb45ebad9b695ebe9e44c9e1 Mon Sep 17 00:00:00 2001
From: AlgorithmX2 <AlgorithmX2@gmail.com>
Date: Sun, 4 May 2014 15:46:38 -0500
Subject: [PATCH] Add Stained Glass facades. The Item Bus Renderer can now deal
 with Alpha Pass.

---
 client/render/BusRenderer.java | 21 ++++++++++++++++++---
 core/features/AEFeature.java   |  4 +++-
 items/parts/ItemFacade.java    | 16 ++++++++++++++--
 3 files changed, 35 insertions(+), 6 deletions(-)

diff --git a/client/render/BusRenderer.java b/client/render/BusRenderer.java
index 63a21117..358c3569 100644
--- a/client/render/BusRenderer.java
+++ b/client/render/BusRenderer.java
@@ -10,10 +10,13 @@ import net.minecraftforge.common.util.ForgeDirection;
 
 import org.lwjgl.opengl.GL11;
 
+import appeng.api.parts.IAlphaPassItem;
 import appeng.api.parts.IFacadePart;
 import appeng.api.parts.IPart;
 import appeng.api.parts.IPartItem;
 import appeng.client.ClientHelper;
+import appeng.core.AEConfig;
+import appeng.core.features.AEFeature;
 import appeng.facade.IFacadeItem;
 import appeng.util.Platform;
 import cpw.mods.fml.relauncher.Side;
@@ -63,11 +66,24 @@ public class BusRenderer implements IItemRenderer
 
 		GL11.glPushMatrix();
 		GL11.glPushAttrib( GL11.GL_ALL_ATTRIB_BITS );
-		GL11.glEnable( GL11.GL_ALPHA_TEST );
 		GL11.glEnable( GL11.GL_DEPTH_TEST );
 		GL11.glEnable( GL11.GL_TEXTURE_2D );
 		GL11.glEnable( GL11.GL_LIGHTING );
-		GL11.glDisable( GL11.GL_BLEND );
+
+		if ( AEConfig.instance.isFeatureEnabled( AEFeature.AlphaPass ) && item.getItem() instanceof IAlphaPassItem
+				&& ((IAlphaPassItem) item.getItem()).useAlphaPass( item ) )
+		{
+			GL11.glBlendFunc( GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA );
+			GL11.glColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
+			GL11.glDisable( GL11.GL_ALPHA_TEST );
+			GL11.glEnable( GL11.GL_BLEND );
+		}
+		else
+		{
+			GL11.glAlphaFunc( GL11.GL_GREATER, 0.4f );
+			GL11.glEnable( GL11.GL_ALPHA_TEST );
+			GL11.glDisable( GL11.GL_BLEND );
+		}
 
 		if ( type == ItemRenderType.EQUIPPED_FIRST_PERSON )
 		{
@@ -79,7 +95,6 @@ public class BusRenderer implements IItemRenderer
 			GL11.glRotatef( 90.0f, 0.0f, 1.0f, 0.0f );
 			GL11.glScalef( 0.8f, 0.8f, 0.8f );
 			GL11.glTranslatef( -0.8f, -0.87f, -0.7f );
-
 		}
 
 		if ( type == ItemRenderType.INVENTORY )
diff --git a/core/features/AEFeature.java b/core/features/AEFeature.java
index 7ce99846..74529d93 100644
--- a/core/features/AEFeature.java
+++ b/core/features/AEFeature.java
@@ -50,7 +50,9 @@ public enum AEFeature
 
 	Logging("Misc"), IntegrationLogging("Misc", false), CustomRecipes("Crafting", false), WebsiteRecipes("Misc", false),
 
-	enableFacadeCrafting("Crafting"), inWorldSingularity("Crafting"), inWorldFluix("Crafting"), inWorldPurification("Crafting"), UpdateLogging("Misc", false);
+	enableFacadeCrafting("Crafting"), inWorldSingularity("Crafting"), inWorldFluix("Crafting"), inWorldPurification("Crafting"), UpdateLogging("Misc", false),
+
+	AlphaPass("Rendering");
 
 	String Category;
 	boolean visible = true;
diff --git a/items/parts/ItemFacade.java b/items/parts/ItemFacade.java
index 97c51824..7ce29ec0 100644
--- a/items/parts/ItemFacade.java
+++ b/items/parts/ItemFacade.java
@@ -6,6 +6,7 @@ import java.util.List;
 
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockGlass;
+import net.minecraft.block.BlockStainedGlass;
 import net.minecraft.creativetab.CreativeTabs;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.init.Blocks;
@@ -17,6 +18,7 @@ import net.minecraft.world.World;
 import net.minecraftforge.client.MinecraftForgeClient;
 import net.minecraftforge.common.util.ForgeDirection;
 import appeng.api.AEApi;
+import appeng.api.parts.IAlphaPassItem;
 import appeng.block.solids.OreQuartz;
 import appeng.client.render.BusRenderer;
 import appeng.core.FacadeConfig;
@@ -28,7 +30,7 @@ import appeng.util.Platform;
 import cpw.mods.fml.relauncher.Side;
 import cpw.mods.fml.relauncher.SideOnly;
 
-public class ItemFacade extends AEBaseItem implements IFacadeItem
+public class ItemFacade extends AEBaseItem implements IFacadeItem, IAlphaPassItem
 {
 
 	public ItemFacade() {
@@ -141,7 +143,7 @@ public class ItemFacade extends AEBaseItem implements IFacadeItem
 		int metadata = l.getItem().getMetadata( l.getItemDamage() );
 
 		boolean hasTile = b.hasTileEntity( metadata );
-		boolean enableGlass = b instanceof BlockGlass;
+		boolean enableGlass = b instanceof BlockGlass || b instanceof BlockStainedGlass;
 		boolean disableOre = b instanceof OreQuartz;
 
 		boolean defaultValue = (b.isOpaqueCube() && !b.getTickRandomly() && !hasTile && !disableOre) || enableGlass;
@@ -207,4 +209,14 @@ public class ItemFacade extends AEBaseItem implements IFacadeItem
 		return super.getItemStackDisplayName( is );
 	}
 
+	@Override
+	public boolean useAlphaPass(ItemStack is)
+	{
+		ItemStack out = getTextureItem( is );
+		Block blk = Block.getBlockFromItem( out.getItem() );
+		if ( blk != null && blk.canRenderInPass( 1 ) )
+			return true;
+		return false;
+	}
+
 }