2 files changed, 35 insertions, 7 deletions

diff --git a/src/main/java/com/anthonyhilyard/iceberg/util/GuiHelper.java b/src/main/java/com/anthonyhilyard/iceberg/util/GuiHelper.java
index f9395d3..9e7842f 100644
--- a/src/main/java/com/anthonyhilyard/iceberg/util/GuiHelper.java
+++ b/src/main/java/com/anthonyhilyard/iceberg/util/GuiHelper.java
@@ -4,12 +4,31 @@ import com.mojang.blaze3d.systems.RenderSystem;
 import net.minecraft.client.renderer.GameRenderer;
 import com.mojang.blaze3d.vertex.Tesselator;
 import com.mojang.blaze3d.vertex.BufferBuilder;
+import com.mojang.blaze3d.vertex.BufferUploader;
 import com.mojang.blaze3d.vertex.DefaultVertexFormat;
 import com.mojang.blaze3d.vertex.VertexFormat;
 import com.mojang.math.Matrix4f;
 
 public class GuiHelper
 {
+	public static void drawGradientRect(Matrix4f mat, int zLevel, int left, int top, int right, int bottom, int startColor, int endColor)
+	{
+		RenderSystem.enableDepthTest();
+		RenderSystem.disableTexture();
+		RenderSystem.enableBlend();
+		RenderSystem.defaultBlendFunc();
+		RenderSystem.setShader(GameRenderer::getPositionColorShader);
+
+		Tesselator tessellator = Tesselator.getInstance();
+		BufferBuilder bufferBuilder = tessellator.getBuilder();
+		drawGradientRect(mat, bufferBuilder, left, top, right, bottom, zLevel, startColor, endColor);
+		bufferBuilder.end();
+		BufferUploader.end(bufferBuilder);
+
+		RenderSystem.disableBlend();
+		RenderSystem.enableTexture();
+	}
+
 	public static void drawGradientRect(Matrix4f mat, BufferBuilder bufferBuilder, int left, int top, int right, int bottom, int zLevel, int startColor, int endColor)
 	{
 		float startAlpha = (float)(startColor >> 24 & 255) / 255.0F;
@@ -20,6 +39,7 @@ public class GuiHelper
 		float endRed     = (float)(endColor   >> 16 & 255) / 255.0F;
 		float endGreen   = (float)(endColor   >>  8 & 255) / 255.0F;
 		float endBlue    = (float)(endColor         & 255) / 255.0F;
+
 		bufferBuilder.vertex(mat, right,    top, zLevel).color(startRed, startGreen, startBlue, startAlpha).endVertex();
 		bufferBuilder.vertex(mat,  left,    top, zLevel).color(startRed, startGreen, startBlue, startAlpha).endVertex();
 		bufferBuilder.vertex(mat,  left, bottom, zLevel).color(  endRed,   endGreen,   endBlue,   endAlpha).endVertex();
@@ -44,12 +64,12 @@ public class GuiHelper
 		RenderSystem.setShader(GameRenderer::getPositionColorShader);
 
 		Tesselator tessellator = Tesselator.getInstance();
-		BufferBuilder buffer = tessellator.getBuilder();
-		buffer.begin(VertexFormat.Mode.QUADS, DefaultVertexFormat.POSITION_COLOR);
-		buffer.vertex(mat, right,    top, zLevel).color(  endRed,   endGreen,   endBlue,   endAlpha).endVertex();
-		buffer.vertex(mat,  left,    top, zLevel).color(startRed, startGreen, startBlue, startAlpha).endVertex();
-		buffer.vertex(mat,  left, bottom, zLevel).color(startRed, startGreen, startBlue, startAlpha).endVertex();
-		buffer.vertex(mat, right, bottom, zLevel).color(  endRed,   endGreen,   endBlue,   endAlpha).endVertex();
+		BufferBuilder bufferBuilder = tessellator.getBuilder();
+		bufferBuilder.begin(VertexFormat.Mode.QUADS, DefaultVertexFormat.POSITION_COLOR);
+		bufferBuilder.vertex(mat, right,    top, zLevel).color(  endRed,   endGreen,   endBlue,   endAlpha).endVertex();
+		bufferBuilder.vertex(mat,  left,    top, zLevel).color(startRed, startGreen, startBlue, startAlpha).endVertex();
+		bufferBuilder.vertex(mat,  left, bottom, zLevel).color(startRed, startGreen, startBlue, startAlpha).endVertex();
+		bufferBuilder.vertex(mat, right, bottom, zLevel).color(  endRed,   endGreen,   endBlue,   endAlpha).endVertex();
 		tessellator.end();
 
 		RenderSystem.disableBlend();
diff --git a/src/main/java/com/anthonyhilyard/iceberg/util/Tooltips.java b/src/main/java/com/anthonyhilyard/iceberg/util/Tooltips.java
index 4d27f16..6492dfa 100644
--- a/src/main/java/com/anthonyhilyard/iceberg/util/Tooltips.java
+++ b/src/main/java/com/anthonyhilyard/iceberg/util/Tooltips.java
@@ -33,6 +33,7 @@ import net.minecraft.network.chat.Style;
 
 public class Tooltips
 {
+	private static boolean initialized = false;
 	private static ItemRenderer itemRenderer = null;
 	private static TextureManager textureManager = null;
 
@@ -120,10 +121,11 @@ public class Tooltips
 		}
 	}
 
-	public static void init(Minecraft minecraft)
+	private static void init(Minecraft minecraft)
 	{
 		itemRenderer = minecraft.getItemRenderer();
 		textureManager = minecraft.getTextureManager();
+		initialized = true;
 	}
 
 	public static void renderItemTooltip(final ItemStack stack, PoseStack mStack, TooltipInfo info,
@@ -138,6 +140,12 @@ public class Tooltips
 										Rect2i rect, int screenWidth, int screenHeight,
 										int backgroundColor, int borderColorStart, int borderColorEnd, boolean comparison)
 	{
+		// Initialize if needed.
+		if (!initialized)
+		{
+			init(Minecraft.getInstance());
+		}
+
 		if (info.lines.isEmpty())
 		{
 			return;