From ef16087f9664742bb1ba76fa067b0f416ded0d29 Mon Sep 17 00:00:00 2001
From: Lars Brubaker <larsbrubaker@gmail.com>
Date: Thu, 16 Nov 2017 16:12:33 -0800
Subject: [PATCH] Made objects off bed show as transparent

Made build volume render
---
 ApplicationView/PrinterModels.cs             | 10 ++--
 PartPreviewWindow/View3D/BedMeshGenerator.cs |  6 +--
 PartPreviewWindow/View3D/MeshViewerWidget.cs | 48 ++++++++++++++++++++
 3 files changed, 54 insertions(+), 10 deletions(-)

diff --git a/ApplicationView/PrinterModels.cs b/ApplicationView/PrinterModels.cs
index 1195963cd..81724b061 100644
--- a/ApplicationView/PrinterModels.cs
+++ b/ApplicationView/PrinterModels.cs
@@ -205,7 +205,9 @@ namespace MatterHackers.MatterControl
 					bedGenerator = new BedMeshGenerator();
 
 					//Construct the thing
-					_bedMesh = bedGenerator.CreatePrintBed(Printer);
+					var bedAndVolume = bedGenerator.CreatePrintBedAndVolume(Printer);
+					_bedMesh = bedAndVolume.bed;
+					_buildVolumeMesh = bedAndVolume.volume;
 
 					Task.Run(() =>
 					{
@@ -264,12 +266,6 @@ namespace MatterHackers.MatterControl
 		{
 			get
 			{
-				if (_buildVolumeMesh == null)
-				{
-					//Construct the thing
-					//_buildVolumeMesh = CreatePrintBed(printer);
-				}
-
 				return _buildVolumeMesh;
 			}
 		}
diff --git a/PartPreviewWindow/View3D/BedMeshGenerator.cs b/PartPreviewWindow/View3D/BedMeshGenerator.cs
index 7fefb8f2b..1ab8e7b3d 100644
--- a/PartPreviewWindow/View3D/BedMeshGenerator.cs
+++ b/PartPreviewWindow/View3D/BedMeshGenerator.cs
@@ -46,10 +46,10 @@ namespace MatterHackers.MatterControl
 
 		private Color bedBaseColor = new Color(245, 245, 255);
 		private Color bedMarkingsColor = Color.Black;
-		private Mesh printerBed = null;
 
-		public Mesh CreatePrintBed(PrinterConfig printer)
+		public (Mesh bed, Mesh volume) CreatePrintBedAndVolume(PrinterConfig printer)
 		{
+			Mesh printerBed = null;
 			Mesh buildVolume = null;
 
 			Vector3 displayVolumeToBuild = Vector3.ComponentMax(printer.Bed.ViewerVolume, new Vector3(1, 1, 1));
@@ -144,7 +144,7 @@ namespace MatterHackers.MatterControl
 				}
 			}
 			
-			return printerBed;
+			return (printerBed, buildVolume);
 		}
 
 		private ImageBuffer CreateCircularBedGridImage(int linesInX, int linesInY, int increment = 1)
diff --git a/PartPreviewWindow/View3D/MeshViewerWidget.cs b/PartPreviewWindow/View3D/MeshViewerWidget.cs
index a2af89e6c..10c40f3df 100644
--- a/PartPreviewWindow/View3D/MeshViewerWidget.cs
+++ b/PartPreviewWindow/View3D/MeshViewerWidget.cs
@@ -65,6 +65,45 @@ namespace MatterHackers.MeshVisualizer
 		{
 			return ColorF.FromHSL(Math.Max(materialIndex, 0) / 10.0, .99, .49).ToColor();
 		}
+
+		public static bool InsideBuildVolume(this IObject3D item, PrinterConfig printerConfig)
+		{
+			if(item.Mesh == null)
+			{
+				return true;
+			}
+
+			var worldMatrix = item.WorldMatrix();
+			// probably need , true (require precision)
+			var aabb = item.Mesh.GetAxisAlignedBoundingBox(worldMatrix);
+
+			var bed = printerConfig.Bed;
+
+			if (aabb.maxXYZ.Z <= 0
+				|| aabb.maxXYZ.Z >= bed.BuildHeight)
+			{
+				// object completely below the bed or any part above the build volume
+				return false;
+			}
+
+			switch(bed.BedShape)
+			{
+				case BedShape.Rectangular:
+					if(aabb.minXYZ.X < bed.BedCenter.X - bed.ViewerVolume.X/2
+						|| aabb.maxXYZ.X > bed.BedCenter.X + bed.ViewerVolume.X / 2
+						|| aabb.minXYZ.Y < bed.BedCenter.Y - bed.ViewerVolume.Y / 2
+						|| aabb.maxXYZ.Y > bed.BedCenter.Y + bed.ViewerVolume.Y / 2)
+					{
+						return false;
+					}
+					break;
+
+				case BedShape.Circular:
+					break;
+			}
+
+			return true;
+		}
 	}
 
 	public class MeshViewerWidget : GuiWidget
@@ -409,6 +448,15 @@ namespace MatterHackers.MeshVisualizer
 					drawColor = new Color(Color.Gray, 120);
 				}
 
+				// If there is a printer - check if the object is within the bed volume (has no AABB outside the bed volume)
+				if(sceneContext.Printer != null)
+				{
+					if (!renderData.InsideBuildVolume(sceneContext.Printer))
+					{
+						drawColor = new Color(drawColor, 65);
+					}
+				}
+
 				// check if we should be rendering materials (this overrides the other colors)
 				if (this.RenderType == RenderTypes.Materials)
 				{