refactor 5

src/main/java/com/glodblock/github/util/RenderUtil.java

@@ -1,7 +1,13 @@
 package com.glodblock.github.util;
 
+import appeng.api.storage.data.IAEFluidStack;
+import javax.annotation.Nullable;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.Gui;
 import net.minecraft.client.renderer.Tessellator;
+import net.minecraft.client.renderer.texture.TextureMap;
 import net.minecraft.util.IIcon;
+import org.lwjgl.opengl.GL11;
 
 public final class RenderUtil {
 
@@ -37,4 +43,27 @@ public final class RenderUtil {
         }
         Tessellator.instance.draw();
     }
+
+    public static void renderFluidIntoGui(
+            Gui gui, int x, int y, int width, int height, @Nullable IAEFluidStack aeFluidStack, int capacity) {
+        if (aeFluidStack != null) {
+            GL11.glDisable(2896);
+            GL11.glColor3f(1.0F, 1.0F, 1.0F);
+            int hi = (int) (height * ((double) aeFluidStack.getStackSize() / capacity));
+            if (aeFluidStack.getStackSize() > 0 && hi > 0) {
+                Minecraft.getMinecraft().renderEngine.bindTexture(TextureMap.locationBlocksTexture);
+                IIcon fluidIcon = aeFluidStack.getFluid().getStillIcon();
+                GL11.glColor3f(
+                        (float) (aeFluidStack.getFluid().getColor() >> 16 & 255) / 255.0F,
+                        (float) (aeFluidStack.getFluid().getColor() >> 8 & 255) / 255.0F,
+                        (float) (aeFluidStack.getFluid().getColor() & 255) / 255.0F);
+                for (int th = 0; th <= hi; th += 16) {
+                    if (hi - th <= 0) break;
+                    gui.drawTexturedModelRectFromIcon(
+                            x, y + height - Math.min(16, hi - th) - th, fluidIcon, width, Math.min(16, hi - th));
+                }
+                GL11.glColor3f(1.0F, 1.0F, 1.0F);
+            }
+        }
+    }
 }