From 56e8e58009511f5bfa8db8145b87a59c8751193f Mon Sep 17 00:00:00 2001
From: DarkGuardsman <rseifert.phone@gmail.com>
Date: Wed, 27 Nov 2013 10:05:04 -0500
Subject: [PATCH] Got fluid rendering correctly in can when held

---
 .../client/renders/ItemRenderFluidCan.java    | 56 +++++++++++++++++--
 1 file changed, 52 insertions(+), 4 deletions(-)

diff --git a/src/dark/core/client/renders/ItemRenderFluidCan.java b/src/dark/core/client/renders/ItemRenderFluidCan.java
index 4a60f181..3dc2bb6a 100644
--- a/src/dark/core/client/renders/ItemRenderFluidCan.java
+++ b/src/dark/core/client/renders/ItemRenderFluidCan.java
@@ -1,8 +1,11 @@
 package dark.core.client.renders;
 
+import net.minecraft.client.Minecraft;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.ResourceLocation;
 import net.minecraftforge.client.IItemRenderer;
+import net.minecraftforge.fluids.FluidRegistry;
+import net.minecraftforge.fluids.FluidStack;
 
 import org.lwjgl.opengl.GL11;
 
@@ -12,6 +15,7 @@ import cpw.mods.fml.relauncher.SideOnly;
 import dark.core.client.models.ModelSmallFluidCan;
 import dark.core.common.CoreRecipeLoader;
 import dark.core.common.DarkMain;
+import dark.core.common.items.ItemFluidCan;
 
 @SideOnly(Side.CLIENT)
 public class ItemRenderFluidCan implements IItemRenderer
@@ -37,17 +41,61 @@ public class ItemRenderFluidCan implements IItemRenderer
     {
         if (CoreRecipeLoader.itemFluidCan != null && item.itemID == CoreRecipeLoader.itemFluidCan.itemID)
         {
+            FluidStack liquid = ((ItemFluidCan) CoreRecipeLoader.itemFluidCan).drain(item, Integer.MAX_VALUE, false);
+
+            if (liquid != null && liquid.amount > 100)
+            {
+
+                int[] displayList = RenderBlockFluid.getFluidDisplayLists(liquid, Minecraft.getMinecraft().theWorld, false);
+
+                GL11.glPushMatrix();
+                GL11.glPushAttrib(GL11.GL_ENABLE_BIT);
+                GL11.glEnable(GL11.GL_CULL_FACE);
+                GL11.glDisable(GL11.GL_LIGHTING);
+                GL11.glEnable(GL11.GL_BLEND);
+                GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
+
+                GL11.glScalef(0.4F, 1.5F, 0.4F);
+
+                if (type == ItemRenderType.ENTITY)
+                {
+                    GL11.glTranslatef(-.5F, 0F, -.5F);
+                }
+                else if (type != ItemRenderType.EQUIPPED)
+                {
+                    GL11.glTranslatef(0.6F, 0F, 0.6F);
+
+                }
+                else if (type == ItemRenderType.EQUIPPED)
+                {
+                    GL11.glTranslatef(0.9F, 0.4F, 1.2F);
+                }
+
+                FMLClientHandler.instance().getClient().renderEngine.bindTexture((RenderBlockFluid.getFluidSheet(liquid)));
+
+                int cap = ((ItemFluidCan) CoreRecipeLoader.itemFluidCan).getCapacity(item);
+                GL11.glCallList(displayList[(int) ((float) liquid.amount / (float) (cap) * (RenderBlockFluid.DISPLAY_STAGES - 1))]);
+
+                GL11.glPopAttrib();
+                GL11.glPopMatrix();
+            }
             GL11.glPushMatrix();
 
             FMLClientHandler.instance().getClient().renderEngine.bindTexture(CAN_TEXTURE);
-            if (type != ItemRenderType.EQUIPPED)
+            float scale = 1.8f;
+            GL11.glScalef(scale, scale, scale);
+            if (type == ItemRenderType.ENTITY)
             {
-                GL11.glTranslatef(0.5F, -0.5F, 0.5F);
+                GL11.glTranslatef(0F, -1F, 0F);
+            }
+            else if (type != ItemRenderType.EQUIPPED)
+            {
+                GL11.glTranslatef(0.5F, -0.8F, 0.5F);
 
             }
-            else
+            else if (type == ItemRenderType.EQUIPPED)
             {
-                GL11.glTranslatef(0.5F, -0.5F, 0.5F);
+                GL11.glTranslatef(0.3F, -0.7F, 0.37F);
             }
             CAN_MODEL.render(0.0625F);
             GL11.glPopMatrix();