From a8c40436459162ea46275c3b68ce28e3ced1a542 Mon Sep 17 00:00:00 2001
From: IThundxr <contact@ithundxr.dev>
Date: Fri, 8 Dec 2023 17:05:10 -0500
Subject: [PATCH] fix: topLayer tooltips background rendering

---
 .../zeta/client/TopLayerTooltipHandler.java   | 39 +++++++++++++------
 1 file changed, 27 insertions(+), 12 deletions(-)

diff --git a/src/main/java/org/violetmoon/zeta/client/TopLayerTooltipHandler.java b/src/main/java/org/violetmoon/zeta/client/TopLayerTooltipHandler.java
index 403132287c..c1270cb9cb 100644
--- a/src/main/java/org/violetmoon/zeta/client/TopLayerTooltipHandler.java
+++ b/src/main/java/org/violetmoon/zeta/client/TopLayerTooltipHandler.java
@@ -1,10 +1,14 @@
 package org.violetmoon.zeta.client;
 
 import com.mojang.blaze3d.platform.Window;
+import com.mojang.blaze3d.systems.RenderSystem;
+import com.mojang.blaze3d.vertex.PoseStack;
+import com.mojang.blaze3d.vertex.VertexSorting;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.GuiGraphics;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.network.chat.Component;
+import org.joml.Matrix4f;
 import org.violetmoon.zeta.client.event.play.ZRenderTick;
 import org.violetmoon.zeta.event.bus.PlayEvent;
 
@@ -23,25 +27,36 @@ public void renderTick(ZRenderTick event) {
 			Minecraft mc = Minecraft.getInstance();
 			Screen screen = mc.screen;
 
-			Window window = mc.getWindow();
+			Matrix4f projectionMatrix = RenderSystem.getProjectionMatrix();
+			VertexSorting vertexSorting = RenderSystem.getVertexSorting();
 
-			//fixme & make sure this works, if not replace event with ZEarlyRender - IThundxr
-			// -------------------------- Cursed Code!!! --------------------------
-			// fixme: Switch to a different event called earlier inside of Minecraft#runTick
-//			Matrix4f matrix4f = (new Matrix4f()).setOrtho(0.0F, (float)((double) window.getWidth() / window.getGuiScale()), (float)((double) window.getHeight() / window.getGuiScale()), 0.0F, 1000.0F, net.minecraftforge.client.ForgeHooksClient.getGuiFarPlane());
-//			RenderSystem.setProjectionMatrix(matrix4f, VertexSorting.ORTHOGRAPHIC_Z);
-//			PoseStack posestack = RenderSystem.getModelViewStack();
-//			posestack.pushPose();
-//			posestack.setIdentity();
-//			posestack.translate(0.0D, 0.0D, 1000F - net.minecraftforge.client.ForgeHooksClient.getGuiFarPlane());
-//			RenderSystem.applyModelViewMatrix();
-			// --------------------------------------------------------------------
+			// Set correct projection matrix
+			Window window = mc.getWindow();
+			Matrix4f matrix4f = new Matrix4f().setOrtho(
+					0.0F,
+					(float) ((double) window.getWidth() / window.getGuiScale()),
+					(float) ((double) window.getHeight() / window.getGuiScale()),
+					0.0F,
+					1000.0F,
+					net.minecraftforge.client.ForgeHooksClient.getGuiFarPlane()
+			);
+			RenderSystem.setProjectionMatrix(matrix4f, VertexSorting.ORTHOGRAPHIC_Z);
+			PoseStack posestack = RenderSystem.getModelViewStack();
+			posestack.pushPose();
+			posestack.setIdentity();
+			posestack.translate(0.0D, 0.0D, 1000F - net.minecraftforge.client.ForgeHooksClient.getGuiFarPlane());
+			RenderSystem.applyModelViewMatrix();
+			// End
 
 			GuiGraphics guiGraphics = new GuiGraphics(mc, mc.renderBuffers().bufferSource());
 
 			if(screen != null)
 				guiGraphics.renderTooltip(mc.font, tooltip, Optional.empty(), tooltipX, tooltipY);
 
+			// Reset projection matrix
+			RenderSystem.setProjectionMatrix(projectionMatrix, vertexSorting);
+			// End
+
 			tooltip = null;
 		}
 	}