1 files changed, 52 insertions, 0 deletions
diff --git a/src/main/java/gregtech/api/util/GTUtilityClient.java b/src/main/java/gregtech/api/util/GTUtilityClient.java
new file mode 100644
index 0000000000..a6039e10d3
--- /dev/null
+++ b/src/main/java/gregtech/api/util/GTUtilityClient.java
@@ -0,0 +1,52 @@
+package gregtech.api.util;
+
+import java.lang.reflect.Field;
+import java.util.List;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.Tessellator;
+import net.minecraft.item.EnumRarity;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.EnumChatFormatting;
+
+import com.google.common.collect.Lists;
+
+import cpw.mods.fml.relauncher.ReflectionHelper;
+
+public class GTUtilityClient {
+
+    private static final Field isDrawingField = ReflectionHelper
+        .findField(Tessellator.class, "isDrawing", "field_78415_z");
+
+    public static boolean isDrawing(Tessellator tess) {
+        try {
+            return isDrawingField.getBoolean(tess);
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+            return false;
+        }
+    }
+
+    public static List<String> getTooltip(ItemStack aStack, boolean aGuiStyle) {
+        try {
+            List<String> tooltip = aStack.getTooltip(
+                Minecraft.getMinecraft().thePlayer,
+                Minecraft.getMinecraft().gameSettings.advancedItemTooltips);
+            if (aGuiStyle) {
+                tooltip.set(
+                    0,
+                    (aStack.getRarity() == null ? EnumRarity.common : aStack.getRarity()).rarityColor + tooltip.get(0));
+                for (int i = 1; i < tooltip.size(); i++) {
+                    tooltip.set(i, EnumChatFormatting.GRAY + tooltip.get(i));
+                }
+            }
+            return tooltip;
+        } catch (RuntimeException e) {
+            // Collections.singletonList() can not be added to. we don't want that
+            if (aGuiStyle) return Lists.newArrayList(
+                (aStack.getRarity() == null ? EnumRarity.common : aStack.getRarity()).rarityColor
+                    + aStack.getDisplayName());
+            return Lists.newArrayList(aStack.getDisplayName());
+        }
+    }
+}