/// <summary>
/// Reset the polygons to those specified in the brush type. For example if the brush type is a cube, the polygons are reset to a cube.
/// </summary>
public void ResetPolygons()
{
if (brushType == PrimitiveBrushType.Cube)
{
polygons = BrushFactory.GenerateCube();
}
else if (brushType == PrimitiveBrushType.Cylinder)
{
if (cylinderSideCount < 3)
{
cylinderSideCount = 3;
}
polygons = BrushFactory.GenerateCylinder(cylinderSideCount);
}
else if (brushType == PrimitiveBrushType.Sphere)
{
if (sphereSideCount < 3)
{
sphereSideCount = 3;
}
// Lateral only goes halfway around the sphere (180 deg), longitudinal goes all the way (360 deg)
polygons = BrushFactory.GeneratePolarSphere(sphereSideCount, sphereSideCount * 2);
}
else if (brushType == PrimitiveBrushType.IcoSphere)
{
if (icoSphereIterationCount < 0)
{
icoSphereIterationCount = 0;
}
else if (icoSphereIterationCount > 2)
{
icoSphereIterationCount = 2;
}
polygons = BrushFactory.GenerateIcoSphere(icoSphereIterationCount);
}
else if (brushType == PrimitiveBrushType.Prism)
{
if (prismSideCount < 3)
{
prismSideCount = 3;
}
polygons = BrushFactory.GeneratePrism(prismSideCount);
}
else if (brushType == Sabresaurus.SabreCSG.PrimitiveBrushType.Custom)
{
// Do nothing
Debug.LogError("PrimitiveBrushType.Custom is not a valid type for new brush creation");
}
else
{
throw new NotImplementedException();
}
}
/// <summary>
/// Rebuilds the volume, creating or deleting the volume component and applying new settings.
/// </summary>
internal void RebuildVolume()
{
// volumes can only be primitive brushes at the moment.
if (GetType() != typeof(PrimitiveBrush))
{
return;
}
PrimitiveBrush self = (PrimitiveBrush)this;
// remove volumes from brushes that are no longer volumes:
if (Mode != CSGMode.Volume && Volume != null)
{
// set volume handle to null.
Volume = null;
// delete any built volume.
Transform volume1 = transform.Find(Constants.GameObjectVolumeComponentIdentifier);
if (volume1 != null)
{
GameObject.DestroyImmediate(volume1.gameObject);
}
}
// generate all of the volume brushes:
if (Mode == CSGMode.Volume && Volume != null)
{
// remove any existing built volume:
Transform volume2 = transform.Find(Constants.GameObjectVolumeComponentIdentifier);
if (volume2 != null)
{
GameObject.DestroyImmediate(volume2.gameObject);
}
// create the game object with convex mesh collider:
Mesh mesh = new Mesh();
BrushFactory.GenerateMeshFromPolygonsFast(self.GetPolygons(), ref mesh, 0.0f);
GameObject gameObject = CreateVolumeMeshCollider(mesh);
gameObject.transform.position = transform.position;
gameObject.transform.rotation = transform.rotation;
// execute custom volume generation code:
Volume.OnCreateVolume(gameObject);
}
}
/// <summary>
/// Tells the brush it has changed
/// </summary>
/// <param name="polygonsChanged">If set to <c>true</c> polygons will be recached.</param>
public override void Invalidate(bool polygonsChanged)
{
base.Invalidate(polygonsChanged);
if (!gameObject.activeInHierarchy)
{
return;
}
// previous versions of sabrecsg used to use mesh colliders for ray collision, but that's no longer the case so we clean them up.
MeshCollider[] meshColliders = GetComponents <MeshCollider>();
if (meshColliders.Length > 0)
{
for (int i = 0; i < meshColliders.Length; i++)
{
DestroyImmediate(meshColliders[i]);
}
}
// Make sure there is a mesh filter on this object
MeshFilter meshFilter = gameObject.AddOrGetComponent <MeshFilter>();
MeshRenderer meshRenderer = gameObject.AddOrGetComponent <MeshRenderer>();
bool requireRegen = false;
// If the cached ID hasn't been set or we mismatch
if (cachedInstanceID == 0 ||
gameObject.GetInstanceID() != cachedInstanceID)
{
requireRegen = true;
cachedInstanceID = gameObject.GetInstanceID();
}
Mesh renderMesh = meshFilter.sharedMesh;
if (requireRegen)
{
renderMesh = new Mesh();
}
if (polygons != null)
{
List <int> polygonIndices;
BrushFactory.GenerateMeshFromPolygons(polygons, ref renderMesh, out polygonIndices);
}
if (mode == CSGMode.Subtract)
{
MeshHelper.Invert(ref renderMesh);
}
// Displace the triangles for display along the normals very slightly (this is so we can overlay built
// geometry with semi-transparent geometry and avoid depth fighting)
MeshHelper.Displace(ref renderMesh, 0.001f);
meshFilter.sharedMesh = renderMesh;
meshRenderer.receiveShadows = false;
meshRenderer.shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.Off;
meshFilter.hideFlags = HideFlags.NotEditable; // | HideFlags.HideInInspector;
meshRenderer.hideFlags = HideFlags.NotEditable; // | HideFlags.HideInInspector;
#if UNITY_EDITOR
Material material;
if (IsNoCSG)
{
material = SabreCSGResources.GetNoCSGMaterial();
}
else
{
if (this.mode == CSGMode.Add)
{
material = SabreCSGResources.GetAddMaterial();
}
else
{
material = SabreCSGResources.GetSubtractMaterial();
}
}
if (meshRenderer.sharedMaterial != material)
{
meshRenderer.sharedMaterial = material;
}
#endif
// isBrushConvex = GeometryHelper.IsBrushConvex(polygons);
if (polygonsChanged)
{
RecalculateBrushCache();
}
UpdateVisibility();
objectVersionSerialized++;
objectVersionUnserialized = objectVersionSerialized;
if (cachedWorldTransform == null)
{
cachedWorldTransform = new WorldTransformData(transform);
}
cachedWorldTransform.SetFromTransform(transform);
}
public override void OnInspectorGUI()
{
float drawableWidth = EditorGUIUtility.currentViewWidth;
drawableWidth -= 42; // Take some off for scroll bars and padding
PrimitiveBrushType[] selectedTypes = BrushTargets.Select(item => ((PrimitiveBrush)item).BrushType).ToArray();
PrimitiveBrushType?activeType = (selectedTypes.Length == 1) ? (PrimitiveBrushType?)selectedTypes[0] : null;
using (new NamedVerticalScope("Type"))
{
GUILayout.BeginHorizontal();
float areaWidth = drawableWidth - 18;
int buttonWidth = Mathf.RoundToInt(areaWidth / 5f);
int stretchButtonWidth = Mathf.RoundToInt(areaWidth - buttonWidth * 4); // To ensure a justified alignment one button must be stretched slightly
int buttonHeight = 50;
GUIStyle brushButtonStyle = new GUIStyle(GUI.skin.button);
brushButtonStyle.imagePosition = ImagePosition.ImageAbove;
brushButtonStyle.fontSize = 10;
GUIStyle labelStyle = new GUIStyle(GUI.skin.label);
labelStyle.alignment = TextAnchor.LowerCenter;
labelStyle.fontSize = brushButtonStyle.fontSize;
bool shortMode = (areaWidth < 260); // Whether certain words need to be abbreviated to fit in the box
DrawBrushButton(PrimitiveBrushType.Cube, activeType, brushButtonStyle, labelStyle, buttonWidth, buttonHeight, shortMode);
DrawBrushButton(PrimitiveBrushType.Prism, activeType, brushButtonStyle, labelStyle, buttonWidth, buttonHeight, shortMode);
DrawBrushButton(PrimitiveBrushType.Cylinder, activeType, brushButtonStyle, labelStyle, stretchButtonWidth, buttonHeight, shortMode);
DrawBrushButton(PrimitiveBrushType.Sphere, activeType, brushButtonStyle, labelStyle, buttonWidth, buttonHeight, shortMode);
DrawBrushButton(PrimitiveBrushType.IcoSphere, activeType, brushButtonStyle, labelStyle, buttonWidth, buttonHeight, shortMode);
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
DrawBrushButton(PrimitiveBrushType.Cone, activeType, brushButtonStyle, labelStyle, buttonWidth, buttonHeight, shortMode);
GUI.enabled = true; // Reset GUI enabled so that the next items aren't disabled
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
if (activeType.HasValue)
{
GUILayout.Label("Active: " + selectedTypes[0]);
}
else
{
GUILayout.Label("Active: Mixed");
}
if (activeType.HasValue)
{
EditorGUIUtility.labelWidth = 60;
EditorGUIUtility.fieldWidth = 50;
EditorGUI.BeginChangeCheck();
if (activeType.Value == PrimitiveBrushType.Prism)
{
EditorGUILayout.PropertyField(prismSideCountProp, new GUIContent("Sides"));
}
else if (activeType.Value == PrimitiveBrushType.Cylinder)
{
EditorGUILayout.PropertyField(cylinderSideCountProp, new GUIContent("Sides"));
}
else if (activeType.Value == PrimitiveBrushType.Sphere)
{
EditorGUILayout.PropertyField(sphereSideCountProp, new GUIContent("Sides"));
}
else if (activeType.Value == PrimitiveBrushType.IcoSphere)
{
EditorGUILayout.PropertyField(icoSphereIterationCountProp, new GUIContent("Iterations"));
}
else if (activeType.Value == PrimitiveBrushType.Cone)
{
EditorGUILayout.PropertyField(coneSideCountProp, new GUIContent("Sides"));
}
if (EditorGUI.EndChangeCheck())
{
// One of the properties has changed
serializedObject.ApplyModifiedProperties();
ResetPolygonsKeepScale();
}
}
GUILayout.EndHorizontal();
}
using (new NamedVerticalScope("Size"))
{
if (GUILayout.Button(new GUIContent("Reset Bounds", "Resets the bounds of the brush to [2,2,2]")))
{
ResetBounds();
}
GUILayout.BeginHorizontal();
GUI.SetNextControlName("rescaleTextbox");
scaleString = EditorGUILayout.TextField(scaleString);
bool keyboardEnter = Event.current.isKey &&
Event.current.keyCode == KeyCode.Return &&
Event.current.type == EventType.KeyUp &&
GUI.GetNameOfFocusedControl() == "rescaleTextbox";
if (GUILayout.Button("Scale", GUILayout.MaxWidth(drawableWidth / 3f)) || keyboardEnter)
{
// Try to parse a Vector3 scale from the input string
Vector3 scaleVector3;
if (StringHelper.TryParseScale(scaleString, out scaleVector3))
{
// None of the scale components can be zero
if (scaleVector3.x != 0 && scaleVector3.y != 0 && scaleVector3.z != 0)
{
// Rescale all the brushes
Undo.RecordObjects(targets, "Scale Polygons");
foreach (var thisBrush in targets)
{
BrushUtility.Scale((PrimitiveBrush)thisBrush, scaleVector3);
}
}
}
}
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
GUI.SetNextControlName("resizeTextbox");
resizeString = EditorGUILayout.TextField(resizeString);
keyboardEnter = Event.current.isKey &&
Event.current.keyCode == KeyCode.Return &&
Event.current.type == EventType.KeyUp &&
GUI.GetNameOfFocusedControl() == "resizeTextbox";
if (GUILayout.Button("Resize", GUILayout.MaxWidth(drawableWidth / 3f)) || keyboardEnter)
{
// Try to parse a Vector3 scale from the input string
Vector3 resizeVector3;
if (StringHelper.TryParseScale(resizeString, out resizeVector3))
{
// None of the size components can be zero
if (resizeVector3.x != 0 && resizeVector3.y != 0 && resizeVector3.z != 0)
{
// Rescale all the brushes so that the local bounds is the same size as the resize vector
Undo.RecordObjects(targets, "Resize Polygons");
PrimitiveBrush[] brushes = BrushTargets.Cast <PrimitiveBrush>().ToArray();
foreach (PrimitiveBrush brush in brushes)
{
BrushUtility.Resize(brush, resizeVector3);
}
}
}
}
GUILayout.EndHorizontal();
}
using (new NamedVerticalScope("Rotation"))
{
GUILayout.Label("Align up direction", EditorStyles.boldLabel);
GUILayout.BeginHorizontal();
if (GUILayout.Button("X"))
{
AlignUpToAxis(new Vector3(1, 0, 0), false);
}
if (GUILayout.Button("Y"))
{
AlignUpToAxis(new Vector3(0, 1, 0), false);
}
if (GUILayout.Button("Z"))
{
AlignUpToAxis(new Vector3(0, 0, 1), false);
}
GUILayout.EndHorizontal();
GUILayout.Label("Align up direction (keep positions)", EditorStyles.boldLabel);
GUILayout.BeginHorizontal();
if (GUILayout.Button("X"))
{
AlignUpToAxis(new Vector3(1, 0, 0), true);
}
if (GUILayout.Button("Y"))
{
AlignUpToAxis(new Vector3(0, 1, 0), true);
}
if (GUILayout.Button("Z"))
{
AlignUpToAxis(new Vector3(0, 0, 1), true);
}
GUILayout.EndHorizontal();
}
using (new NamedVerticalScope("Misc"))
{
// Import Row
GUILayout.BeginHorizontal();
sourceMesh = EditorGUILayout.ObjectField(sourceMesh, typeof(Mesh), false) as Mesh;
if (GUILayout.Button("Import", GUILayout.MaxWidth(drawableWidth / 3f)))
{
if (sourceMesh != null)
{
Undo.RecordObjects(targets, "Import Polygons From Mesh");
Polygon[] polygons = BrushFactory.GeneratePolygonsFromMesh(sourceMesh).ToArray();
bool convex = GeometryHelper.IsBrushConvex(polygons);
if (!convex)
{
Debug.LogError("Concavities detected in imported mesh. This may result in issues during CSG, please change the source geometry so that it is convex");
}
foreach (var thisBrush in targets)
{
((PrimitiveBrush)thisBrush).SetPolygons(polygons, true);
}
}
}
GUILayout.EndHorizontal();
// Shell Row
GUILayout.BeginHorizontal();
if (shellDistance == 0)
{
shellDistance = CurrentSettings.PositionSnapDistance;
}
shellDistance = EditorGUILayout.FloatField("Distance", shellDistance);
if (GUILayout.Button("Shell", GUILayout.MaxWidth(drawableWidth / 3f)))
{
List <GameObject> newSelection = new List <GameObject>();
foreach (var thisBrush in targets)
{
GameObject newObject = ((PrimitiveBrush)thisBrush).Duplicate();
Polygon[] polygons = newObject.GetComponent <PrimitiveBrush>().GetPolygons();
VertexUtility.DisplacePolygons(polygons, -shellDistance);
Bounds newBounds = newObject.GetComponent <PrimitiveBrush>().GetBounds();
// Verify the new geometry
if (GeometryHelper.IsBrushConvex(polygons) &&
newBounds.GetSmallestExtent() > 0)
{
Undo.RegisterCreatedObjectUndo(newObject, "Shell");
newSelection.Add(newObject);
}
else
{
// Produced a concave brush, delete it and pretend nothing happened
GameObject.DestroyImmediate(newObject);
Debug.LogWarning("Could not shell " + thisBrush.name + " as shelled geometry would not be valid. Try lowering the shell distance and attempt Shell again.");
}
}
if (newSelection.Count > 0)
{
Selection.objects = newSelection.ToArray();
}
}
GUILayout.EndHorizontal();
// Split Intersecting Row
if (GUILayout.Button("Split Intersecting Brushes"))
{
// Chop up the intersecting brushes by the brush planes, ideally into as few new brushes as possible
PrimitiveBrush[] brushes = BrushTargets.Cast <PrimitiveBrush>().ToArray();
BrushUtility.SplitIntersecting(brushes);
}
// BrushOrder brushOrder = BrushTarget.GetBrushOrder();
// string positionString = string.Join(",", brushOrder.Position.Select(item => item.ToString()).ToArray());
// GUILayout.Label(positionString, EditorStyles.boldLabel);
//List<BrushCache> intersections = ((PrimitiveBrush)BrushTarget).BrushCache.IntersectingVisualBrushCaches;
//GUILayout.Label("Intersecting brushes " + intersections.Count, EditorStyles.boldLabel);
//for (int i = 0; i < intersections.Count; i++)
//{
// GUILayout.Label(intersections[i].Mode.ToString(), EditorStyles.boldLabel);
//}
}
base.OnInspectorGUI();
}
public override void OnInspectorGUI()
{
// DrawDefaultInspector();
DrawBrushTypeField();
// BrushOrder brushOrder = BrushTarget.GetBrushOrder();
// string positionString = string.Join(",", brushOrder.Position.Select(item => item.ToString()).ToArray());
// GUILayout.Label(positionString, EditorStyles.boldLabel);
// List<BrushCache> intersections = BrushTarget.BrushCache.IntersectingVisualBrushCaches;
//
// for (int i = 0; i < intersections.Count; i++)
// {
// GUILayout.Label(intersections[i].Mode.ToString(), EditorStyles.boldLabel);
// }
GUILayout.BeginHorizontal();
GUI.SetNextControlName("rescaleTextbox");
rescaleString = EditorGUILayout.TextField(rescaleString);
bool keyboardEnter = Event.current.isKey &&
Event.current.keyCode == KeyCode.Return &&
Event.current.type == EventType.KeyUp &&
GUI.GetNameOfFocusedControl() == "rescaleTextbox";
if (GUILayout.Button("Rescale") || keyboardEnter)
{
// Try to parse a Vector3 scale from the input string
Vector3 rescaleVector3;
if (StringHelper.TryParseScale(rescaleString, out rescaleVector3))
{
// None of the scale components can be zero
if (rescaleVector3.x != 0 && rescaleVector3.y != 0 && rescaleVector3.z != 0)
{
// Rescale all the brushes
Undo.RecordObjects(targets, "Rescale Polygons");
foreach (var thisBrush in targets)
{
BrushUtility.Rescale((PrimitiveBrush)thisBrush, rescaleVector3);
}
}
}
}
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
GUI.SetNextControlName("resizeTextbox");
resizeString = EditorGUILayout.TextField(resizeString);
keyboardEnter = Event.current.isKey &&
Event.current.keyCode == KeyCode.Return &&
Event.current.type == EventType.KeyUp &&
GUI.GetNameOfFocusedControl() == "resizeTextbox";
if (GUILayout.Button("Resize") || keyboardEnter)
{
// Try to parse a Vector3 scale from the input string
Vector3 resizeVector3;
if (StringHelper.TryParseScale(resizeString, out resizeVector3))
{
// None of the size components can be zero
if (resizeVector3.x != 0 && resizeVector3.y != 0 && resizeVector3.z != 0)
{
// Rescale all the brushes so that the local bounds is the same size as the resize vector
Undo.RecordObjects(targets, "Resize Polygons");
PrimitiveBrush[] brushes = BrushTargets;
foreach (PrimitiveBrush brush in brushes)
{
BrushUtility.Resize(brush, resizeVector3);
}
}
}
}
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
sourceMesh = EditorGUILayout.ObjectField(sourceMesh, typeof(Mesh), false) as Mesh;
if (GUILayout.Button("Import"))
{
if (sourceMesh != null)
{
Undo.RecordObjects(targets, "Import Polygons From Mesh");
Polygon[] polygons = BrushFactory.GeneratePolygonsFromMesh(sourceMesh).ToArray();
bool convex = GeometryHelper.IsBrushConvex(polygons);
if (!convex)
{
Debug.LogError("Concavities detected in imported mesh. This may result in issues during CSG, please change the source geometry so that it is convex");
}
foreach (var thisBrush in targets)
{
((PrimitiveBrush)thisBrush).SetPolygons(polygons, true);
}
}
}
GUILayout.EndHorizontal();
List <PrimitiveBrush> orderedTargets = BrushTargets.ToList();
orderedTargets.Sort((x, y) => x.transform.GetSiblingIndex().CompareTo(y.transform.GetSiblingIndex()));
if (GUILayout.Button("Set As First"))
{
for (int i = 0; i < orderedTargets.Count; i++)
{
// REVERSED
PrimitiveBrush thisBrush = orderedTargets[orderedTargets.Count - 1 - i];
Undo.SetTransformParent(thisBrush.transform, thisBrush.transform.parent, "Change Order");
thisBrush.transform.SetAsFirstSibling();
}
// Force all the brushes to recalculate their intersections and get ready for rebuilding
for (int i = 0; i < orderedTargets.Count; i++)
{
orderedTargets[i].RecalculateIntersections();
orderedTargets[i].BrushCache.SetUnbuilt();
}
}
if (GUILayout.Button("Send Earlier"))
{
for (int i = 0; i < orderedTargets.Count; i++)
{
PrimitiveBrush thisBrush = orderedTargets[i];
int siblingIndex = thisBrush.transform.GetSiblingIndex();
if (siblingIndex > 0)
{
Undo.SetTransformParent(thisBrush.transform, thisBrush.transform.parent, "Change Order");
siblingIndex--;
thisBrush.transform.SetSiblingIndex(siblingIndex);
}
}
// Force all the brushes to recalculate their intersections and get ready for rebuilding
for (int i = 0; i < orderedTargets.Count; i++)
{
orderedTargets[i].RecalculateIntersections();
orderedTargets[i].BrushCache.SetUnbuilt();
}
}
if (GUILayout.Button("Send Later"))
{
for (int i = 0; i < orderedTargets.Count; i++)
{
// REVERSED
PrimitiveBrush thisBrush = orderedTargets[orderedTargets.Count - 1 - i];
int siblingIndex = thisBrush.transform.GetSiblingIndex();
Undo.SetTransformParent(thisBrush.transform, thisBrush.transform.parent, "Change Order");
siblingIndex++;
thisBrush.transform.SetSiblingIndex(siblingIndex);
}
// Force all the brushes to recalculate their intersections and get ready for rebuilding
for (int i = 0; i < orderedTargets.Count; i++)
{
orderedTargets[i].RecalculateIntersections();
orderedTargets[i].BrushCache.SetUnbuilt();
}
}
if (GUILayout.Button("Set As Last"))
{
for (int i = 0; i < orderedTargets.Count; i++)
{
PrimitiveBrush thisBrush = orderedTargets[i];
Undo.SetTransformParent(thisBrush.transform, thisBrush.transform.parent, "Change Order");
thisBrush.transform.SetAsLastSibling();
}
// Force all the brushes to recalculate their intersections and get ready for rebuilding
for (int i = 0; i < orderedTargets.Count; i++)
{
orderedTargets[i].RecalculateIntersections();
orderedTargets[i].BrushCache.SetUnbuilt();
}
}
serializedObject.ApplyModifiedProperties();
// GUILayout.Label("UVs", EditorStyles.boldLabel);
//
// if (GUILayout.Button("Flip XY"))
// {
// UVUtility.FlipUVsXY(thisBrush.Polygons);
// }
//
// GUILayout.BeginHorizontal();
// if (GUILayout.Button("Flip X"))
// {
// UVUtility.FlipUVsX(thisBrush.Polygons);
// }
// if (GUILayout.Button("Flip Y"))
// {
// UVUtility.FlipUVsY(thisBrush.Polygons);
// }
// GUILayout.EndHorizontal();
//
// GUILayout.BeginHorizontal();
// if (GUILayout.Button("UVs x 2"))
// {
// UVUtility.ScaleUVs(thisBrush.Polygons, 2f);
// }
// if (GUILayout.Button("UVs / 2"))
// {
// UVUtility.ScaleUVs(thisBrush.Polygons, .5f);
// }
// GUILayout.EndHorizontal();
// Ensure Edit Mode is on
// csgModel.EditMode = true;
}
