Port 26.2 render projection fixes

Author: cev-api

src/main/java/net/wurstclient/hacks/ItemEspHack.java

@@ -281,6 +281,8 @@ public void onRenderGUI(GuiGraphicsExtractor context, float partialTicks)
 
 			Vec3 worldPos = EntityUtils.getLerpedPos(entity, partialTicks)
 				.add(0, entity.getBbHeight() + 0.35, 0);
+			if(isBehindCamera(worldPos))
+				continue;
 			Vec3 projected = MC.gameRenderer.projectPointToScreen(worldPos);
 			if(projected.z <= -1 || projected.z >= 1)
 				continue;
@@ -333,6 +335,8 @@ public void onRenderGUI(GuiGraphicsExtractor context, float partialTicks)
 			}
 
 			Vec3 worldPos = center.scale(1.0 / clusterSize);
+			if(isBehindCamera(worldPos))
+				continue;
 			Vec3 projected = MC.gameRenderer.projectPointToScreen(worldPos);
 			if(projected.z <= -1 || projected.z >= 1)
 				continue;
@@ -370,6 +374,19 @@ private void drawItemTag(GuiGraphicsExtractor context, Font font,
 		context.pose().popMatrix();
 	}
 
+	private boolean isBehindCamera(Vec3 worldPos)
+	{
+		if(MC.gameRenderer == null || MC.gameRenderer.getMainCamera() == null)
+			return false;
+		
+		Vec3 camPos = RenderUtils.getCameraPos();
+		Vec3 toItem = worldPos.subtract(camPos);
+		if(toItem.lengthSqr() == 0)
+			return false;
+		
+		return toItem.dot(RenderUtils.getCameraRotation().toLookVec()) <= 0;
+	}
+	
 	// Expose ignored-items configuration for other features (like ItemHandler)
 	public boolean shouldUseIgnoredItems()
 	{

src/main/java/net/wurstclient/mixin/StorageMixin.java

@@ -20,6 +20,7 @@
 import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
 import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
 import com.mojang.blaze3d.vertex.PoseStack;
+import net.minecraft.client.gui.screens.inventory.AbstractContainerScreen;
 import net.minecraft.client.renderer.SubmitNodeStorage;
 import net.minecraft.client.renderer.feature.NameTagFeatureRenderer;
 import net.minecraft.client.renderer.state.level.CameraRenderState;
@@ -48,6 +49,13 @@ private void wrapLabelScale(PoseStack matrices, float x, float y, float z,
 		int i, Component text, boolean bl, int j, double d,
 		CameraRenderState state)
 	{
+		if(WurstClient.MC != null
+			&& WurstClient.MC.screen instanceof AbstractContainerScreen<?>)
+		{
+			original.call(matrices, x, y, z);
+			return;
+		}
+		
 		NameTagsHack nameTags = WurstClient.INSTANCE.getHax().nameTagsHack;
 		if(!nameTags.isEnabled())
 		{