public static GameObject ReplaceGameObjectHierarchyPrefab(GameObject gameObject, GameObject newPrefab)
{
if (gameObject == null || PrefabUtility.GetPrefabType(newPrefab) != PrefabType.Prefab)
{
return(null);
}
// Store any needed object data
OrientedBox originalWorldOrientedBox = gameObject.GetHierarchyWorldOrientedBox();
if (originalWorldOrientedBox.IsInvalid())
{
return(null);
}
int originalObjectLayer = gameObject.layer;
bool isObjectStatic = gameObject.isStatic;
Transform originalObjectTransform = gameObject.transform;
Vector3 worldScale = originalObjectTransform.lossyScale;
Quaternion worldRotation = originalObjectTransform.rotation;
// Create a new game object from the specified prefab
GameObject newObject = PrefabUtility.InstantiatePrefab(newPrefab) as GameObject;
if (newObject != null)
{
// Register the created object for Undo and set its transform data. Also store any significant
// data that the original object had before it was destroyed.
UndoEx.RegisterCreatedGameObject(newObject);
Transform newObjectTransform = newObject.transform;
newObjectTransform.localScale = worldScale;
newObjectTransform.rotation = worldRotation;
newObjectTransform.parent = originalObjectTransform.transform.parent;
newObject.SetSelectedHierarchyWireframeHidden(ObjectPlacementSettings.Get().HideWireframeWhenPlacingObjects);
newObject.layer = originalObjectLayer;
newObject.isStatic = isObjectStatic;
// We will adjust the new object's position such that its center is the same as the
// one the original object had. This produces better results especially when the new
// object is a multi-level object hierarchy.
OrientedBox newHierarchyWorldOrientedBox = newObject.GetHierarchyWorldOrientedBox();
if (newHierarchyWorldOrientedBox.IsInvalid())
{
GameObject.DestroyImmediate(newObject);
return(null);
}
newObjectTransform.position = ObjectPositionCalculator.CalculateObjectHierarchyPosition(newPrefab, originalWorldOrientedBox.Center, worldScale, worldRotation);
// We will also inform the scene that a new object was created so that all the necessary steps can be performed
Octave3DScene.Get().RegisterObjectHierarchy(newObject);
// Destroy the old object
UndoEx.DestroyObjectImmediate(gameObject);
return(newObject);
}
return(null);
}
public static void MirrorObjectHierarchyTransform(Plane mirrorPlane, GameObject root, bool mirrorRotation)
{
Transform rootTransform = root.transform;
OrientedBox hierarchyWorldOrientedBox = root.GetHierarchyWorldOrientedBox();
if (!hierarchyWorldOrientedBox.IsValid())
{
return;
}
if (mirrorRotation)
{
MirrorTransformRotation(mirrorPlane, rootTransform);
}
Vector3 mirroredCenter = MirrorPosition(mirrorPlane, hierarchyWorldOrientedBox.Center);
rootTransform.position = ObjectPositionCalculator.CalculateObjectHierarchyPosition(root, mirroredCenter, rootTransform.lossyScale, rootTransform.rotation);
}
private MatrixObjectBoxPair CalculateMatrixObjectBoxPair(int brushElementIndex, ObjectSurfaceData objectSurfaceData)
{
// Store the needed data for easy access
DecorPaintObjectPlacementBrushElement brushElement = _allValidBrushElements[brushElementIndex];
OrientedBox objectBox = new OrientedBox(_brushElementsPrefabOrientedBoxes[brushElementIndex]);
// Establish the object's scale. Randomize the scale if necessary. Otherwise, just use the brush element's scale.
Vector3 xyzObjectBoxScale = _brushElementsPrefabWorldScaleValues[brushElementIndex];
if (brushElement.ScaleRandomizationSettings.RandomizeScale)
{
// Generate a random scale factor and apply it to the current scale
ObjectUniformScaleRandomizationSettings uniformScaleRandomizationSettings = brushElement.ScaleRandomizationSettings.UniformScaleRandomizationSettings;
xyzObjectBoxScale *= UnityEngine.Random.Range(uniformScaleRandomizationSettings.MinScale, uniformScaleRandomizationSettings.MaxScale);;
}
else
{
xyzObjectBoxScale *= brushElement.Scale;
}
// Apply the scale that we have calculated
objectBox.Scale = xyzObjectBoxScale;
// Now we will calculate the rotation. First we will calculate a quaternion which allow us to take the
// specified rotation offset into account. The quaternion rotates around the surface normal by an angle
// of 'RotationOffset' degrees.
Quaternion rotationOffset = brushElement.AlignToSurface ? Quaternion.AngleAxis(brushElement.RotationOffsetInDegrees, objectSurfaceData.SurfaceNormal) : Quaternion.identity;
// If we need to align to stroke, we have some more work to do. Otherwise, we will just set the
// rotation to be the same as the prefab's rotation, but offset by 'rotationOffset'.
if (brushElement.AlignToStroke)
{
// First calculate the rotation without any offset. This is the rotation of the prefab plus the rotation which
// must be applied for alignment.
Quaternion rotationWithoutOffset = _rotationToApplyForStrokeAlignment * _elementToCurrentPrefabRotation[brushElement];
// The rotation of the box must be set to the rotation which we just calculated (which ensures proper alingment) plus
// the rotation offset.
objectBox.Rotation = rotationOffset * rotationWithoutOffset;
// Store the rotation inside the dictionary if an entry doesn't already exist
if (!_elementToNewPrefabRotation.ContainsKey(brushElement))
{
_elementToNewPrefabRotation.Add(brushElement, rotationWithoutOffset);
}
}
else
{
objectBox.Rotation = rotationOffset * brushElement.Prefab.UnityPrefab.transform.rotation;
}
// Adjust the rotation of the object so that its axis is aligned with the placement surface if necessary
if (brushElement.AlignToSurface)
{
AdjustObjectBoxRotationOnSurface(objectBox, objectSurfaceData, brushElement);
}
// The final step is to rotate the object by a random amount around the placement surface
if (brushElement.RotationRandomizationMode != BrushElementRotationRandomizationMode.None)
{
Vector3 rotationAxis = objectSurfaceData.SurfaceNormal;
if (brushElement.RotationRandomizationMode == BrushElementRotationRandomizationMode.X)
{
rotationAxis = Vector3.right;
}
else if (brushElement.RotationRandomizationMode == BrushElementRotationRandomizationMode.Y)
{
rotationAxis = Vector3.up;
}
else if (brushElement.RotationRandomizationMode == BrushElementRotationRandomizationMode.Z)
{
rotationAxis = Vector3.forward;
}
if (!brushElement.AlignToStroke)
{
// When stroke alignment is not required, we will generate a random rotation angle and apply it
// to the current box rotation.
float randomRotationAngle = UnityEngine.Random.Range(0.0f, 360.0f);
Quaternion additionalRotation = Quaternion.AngleAxis(randomRotationAngle, rotationAxis);
objectBox.Rotation = additionalRotation * objectBox.Rotation;
}
else
{
// When both rotation randomization and stroke alingment are turned on, we will proudce a small
// random rotation offset to randomize the alingmnet a little bit.
float randomRotationAngle = UnityEngine.Random.Range(0.0f, 25.0f);
Quaternion additionalRotation = Quaternion.AngleAxis(randomRotationAngle, rotationAxis);
objectBox.Rotation = additionalRotation * objectBox.Rotation;
}
}
// Place the object on the surface
AdjustObjectBoxCenterToSitOnSurface(objectBox, objectSurfaceData, brushElement);
// Construct the object matrix and return the object/marix pair
TransformMatrix objectMatrix = new TransformMatrix(ObjectPositionCalculator.CalculateObjectHierarchyPosition(brushElement.Prefab,
objectBox.Center, xyzObjectBoxScale, objectBox.Rotation), objectBox.Rotation, xyzObjectBoxScale);
return(new MatrixObjectBoxPair(objectMatrix, objectBox));
}
public List <ObjectPlacementData> Calculate(Quaternion rotationToApplyForStrokeAlignment)
{
if (!ValidateCalculationRequirements())
{
return(new List <ObjectPlacementData>());
}
_objectNodeNetwork.Clear();
_rotationToApplyForStrokeAlignment = rotationToApplyForStrokeAlignment;
CreateSurfaceColliderProjector();
_elementToNewPrefabRotation.Clear();
_allowObjectIntersection = ObjectPlacementSettings.Get().ObjectIntersectionSettings.AllowIntersectionForDecorPaintBrushModeDrag;
int currentObjectIndex = 0;
var objectPlacementDataInstances = new List <ObjectPlacementData>(_workingBrush.MaxNumberOfObjects);
while (currentObjectIndex < _workingBrush.MaxNumberOfObjects)
{
DecorPaintObjectPlacementBrushElement brushElement = _brushElementSpawnChanceTable.PickEntity(UnityEngine.Random.Range(0.0f, 1.0f));
int brushElementIndex = _allValidBrushElements.FindIndex(item => item == brushElement);
++currentObjectIndex;
// No object nodes were created yet?
if (_objectNodeNetwork.NumberOfNodes == 0)
{
// Create the first node at a random position inside the brush circle
Vector3 randomPositionInsideCircle = _workingBrushCircle.GetRandomPointInside();
ObjectSurfaceData objectSurfaceData = CalculateObjectSurfaceData(randomPositionInsideCircle);
MatrixObjectBoxPair matrixObjectBoxPair = CalculateMatrixObjectBoxPair(brushElementIndex, objectSurfaceData);
// We need to know if the normal of the surface on which the object resides lies within the desired slope range
bool passesSlopeTest = DoesObjectSurfacePassSlopeTest(objectSurfaceData, brushElement);
// Note: Even if the slope test is not passed, we will still create an object node. The reason for this is that
// we want to have some kind of continuity in the algorithm. Imagine that the brush circle is large and is
// divided by a large terrain mountain which sits in the middle. If the object generation starts on one side
// of the mountain, the algorithm might never get a chance to go over the other side if the slope condition
// is not satisifed. We want to spread objects as much as possible so even though this object will not be
// placed in the scene, we will still add it to the node network.
_objectNodeNetwork.AddNodeToEnd(matrixObjectBoxPair.ObjectBox, objectSurfaceData);
if (passesSlopeTest && DoesBoxPassObjectIntersectionTest(matrixObjectBoxPair.ObjectBox, brushElement.Prefab.UnityPrefab, matrixObjectBoxPair.ObjectMatrix))
{
objectPlacementDataInstances.Add(new ObjectPlacementData(matrixObjectBoxPair.ObjectMatrix, brushElement.Prefab, brushElement.MustEmbedInSurface));
}
}
else
{
// Are there any node segments available?
if (_objectNodeNetwork.NumberOfSegments != 0)
{
// The first step is to generate a random node index and store references to that node and its immediate neighbour
_objectNodeNetwork.RemoveAllNodesWhichGenerateConcavities(_workingBrushCircle.Plane);
int randomNodeIndex = _objectNodeNetwork.GetRandomNodeIndex();
ObjectNode firstNode = _objectNodeNetwork.GetNodeByIndex(randomNodeIndex);
ObjectNode secondNode = _objectNodeNetwork.GetNodeByIndex(randomNodeIndex + 1);
// Calculate the plane of the segment which unites the 2 nodes. We will also store the
// actual segment and the middle point on the segment. We will use this middle point to
// generate the initial object position.
Segment3D nodeSegment = ObjectNodeNetwork.CalculateSegmentBetweenNodes(firstNode, secondNode);
Vector3 segmentMidPoint = nodeSegment.GetPoint(0.5f);
Plane segmentPlane = ObjectNodeNetwork.CalculateSegmentPlaneNormal(firstNode, secondNode);
OrientedBox firstNodeBox = firstNode.ObjectBox;
OrientedBox secondNodeBox = secondNode.ObjectBox;
// Calculate the furthest point in front of the plane using the corner points of the
// 2 nodes. The idea is to move the new object as much as possible from the bulk of
// objects that have already been generated.
Vector3 furthestPointFromPlane;
List <Vector3> nodeCornerPoints = firstNodeBox.GetCornerPoints();
nodeCornerPoints.AddRange(secondNodeBox.GetCornerPoints());
if (!segmentPlane.GetFurthestPointInFront(nodeCornerPoints, out furthestPointFromPlane))
{
continue;
}
// Use the calculated furthest point from plane and the the existing plane normal to calculate the
// pivot plane. The new object will reside at some distance away from this plane.
Plane pivotPlane = new Plane(segmentPlane.normal, furthestPointFromPlane);
// Calculate the new object transform data. We will use the segment's mid point to generate the
// initial object position.
ObjectSurfaceData objectSurfaceData = CalculateObjectSurfaceData(segmentMidPoint);
MatrixObjectBoxPair matrixObjectBoxPair = CalculateMatrixObjectBoxPair(brushElementIndex, objectSurfaceData);
OrientedBox objectBox = matrixObjectBoxPair.ObjectBox;
// Identify the objects's furthest point behind the plane
Vector3 objectBoxPivotPoint;
List <Vector3> objectBoxCornerPoints = objectBox.GetCornerPoints();
if (!pivotPlane.GetFurthestPointBehind(objectBoxCornerPoints, out objectBoxPivotPoint))
{
continue;
}
// Use the furthest point to move the object in front of the plane and take the distance between objects into account
Vector3 fromPivotPointToCenter = objectBox.Center - objectBoxPivotPoint;
Vector3 projectedPivotPoint = pivotPlane.ProjectPoint(objectBoxPivotPoint);
objectBox.Center = projectedPivotPoint + fromPivotPointToCenter + pivotPlane.normal * _workingBrush.DistanceBetweenObjects;
// Generate the object surface data
objectSurfaceData = CalculateObjectSurfaceData(objectBox.Center);
bool passesSlopeTest = DoesObjectSurfacePassSlopeTest(objectSurfaceData, brushElement);
// Now we need to adjust the orientation and center of the box. If the calculated center
// lies outside the brush circle, we will ignore this node.
AdjustObjectBoxRotationOnSurface(objectBox, objectSurfaceData, brushElement);
AdjustObjectBoxCenterToSitOnSurface(objectBox, objectSurfaceData, brushElement);
if (!_workingBrushCircle.ContainsPoint(_workingBrushCircle.Plane.ProjectPoint(objectBox.Center)))
{
continue;
}
// Recalculate the object matrix using the new box data
TransformMatrix objectMatrix = matrixObjectBoxPair.ObjectMatrix;
objectMatrix.Rotation = objectBox.Rotation;
objectMatrix.Translation = ObjectPositionCalculator.CalculateObjectHierarchyPosition(brushElement.Prefab, objectBox.Center, objectMatrix.Scale, objectBox.Rotation);
// We have been modifying the matrix and box data independently so we will ensure that the box uses the latest data
OrientedBox finalBox = new OrientedBox(objectBox);
finalBox.SetTransformMatrix(objectMatrix);
// If the slope test passed, we will calculate an object placement data instance. Otherwise, we will just insert a new node.
if (passesSlopeTest && DoesBoxPassObjectIntersectionTest(finalBox, brushElement.Prefab.UnityPrefab, objectMatrix))
{
objectPlacementDataInstances.Add(new ObjectPlacementData(objectMatrix, brushElement.Prefab, brushElement.MustEmbedInSurface));
}
_objectNodeNetwork.InsertAfterNode(objectBox, objectSurfaceData, randomNodeIndex);
}
else
{
// When there are no segments available it means we have only one node. We will use this node to generate
// a new one at some distance away from it. First we will store some data that we will need during the entire
// procedure.
ObjectNode pivotNode = _objectNodeNetwork.GetFirstNode();
Vector3 pivotNodeSurfaceTangent = pivotNode.ObjectSurfaceData.GetSurfaceTangentVector();
OrientedBox pivotNodeObjectBox = pivotNode.ObjectBox;
// We will place the new node at some distance away from the first node's face which points
// along the calculated tangent vector. We will call this the pivot face.
BoxFace pivotBoxFace = pivotNodeObjectBox.GetBoxFaceMostAlignedWithNormal(pivotNodeSurfaceTangent);
Plane pivotFacePlane = pivotNodeObjectBox.GetBoxFacePlane(pivotBoxFace);
// Generate the data for the new node in the same position as the first node.
// Note: Although the same position is used, the rotation and scale will differ and they will
// be established by 'CalculateMatrixObjectBoxPair'.
MatrixObjectBoxPair matrixObjectBoxPair = CalculateMatrixObjectBoxPair(brushElementIndex, pivotNode.ObjectSurfaceData);
OrientedBox objectBox = matrixObjectBoxPair.ObjectBox;
// At this point we have to start moving the generated object box to its new positino along the
// tangent vector. We will do this by calculating the furthest box point which lies behind the
// pivot plane and then move the box so that this point resides on that plane. We will call this
// the pivot point.
// Note: We will perform a safety check to see if this point could not be calculated and use the
// closest point in front if necessary. However, this check should not be necessary. Because
// we are placing te object box in the center of the previous box, we can be usre that there
// will always be a point which lies behind the pivot plane.
Vector3 objectBoxPivotPoint;
List <Vector3> objectBoxCornerPoints = objectBox.GetCornerPoints();
if (!pivotFacePlane.GetFurthestPointBehind(objectBoxCornerPoints, out objectBoxPivotPoint) &&
!pivotFacePlane.GetClosestPointInFront(objectBoxCornerPoints, out objectBoxPivotPoint))
{
continue;
}
// Project the pivot point onto the pivot plane. We will also store a vector which goes from the
// original pivot point to the box center. This will allow us to maintain the relationship between
// the projected pivot point and the box center so that the center can be adjusted accordingly.
Vector3 fromPivotPointToCenter = objectBox.Center - objectBoxPivotPoint;
Vector3 projectedPivotPoint = pivotFacePlane.ProjectPoint(objectBoxPivotPoint);
// Adjust the center using the projected pivot point and also take the distance between objects into account
objectBox.Center = projectedPivotPoint + fromPivotPointToCenter + pivotNodeSurfaceTangent * _workingBrush.DistanceBetweenObjects;
// Generate the object surface data at the current box position.
// Note: This is the step which can actually cause objects to intersect a little bit. The surface data is
// calculated by projecting along the brush circle plane normal. If we are placing objects on a terrain
// and the center of the circle lies somewhere at the base of the terrain where the normal points straight
// up, but the center of the box resides somewhere on a clif, the new center might move the box closer
// or even further away from the pivot node. This however, should not be a problem especially if the distance
// between objects is not 0.
ObjectSurfaceData objectSurfaceData = CalculateObjectSurfaceData(objectBox.Center);
bool passesSlopeTest = DoesObjectSurfacePassSlopeTest(objectSurfaceData, brushElement);
// Now we need to adjust the orientation and center of the box. If the calculated center
// lies outside the brush circle, we will ignore this node.
AdjustObjectBoxRotationOnSurface(objectBox, objectSurfaceData, brushElement);
AdjustObjectBoxCenterToSitOnSurface(objectBox, objectSurfaceData, brushElement);
if (!_workingBrushCircle.ContainsPoint(_workingBrushCircle.Plane.ProjectPoint(objectBox.Center)))
{
continue;
}
// Recalculate the object matrix using the new box data
TransformMatrix objectMatrix = matrixObjectBoxPair.ObjectMatrix;
objectMatrix.Rotation = objectBox.Rotation;
objectMatrix.Translation = ObjectPositionCalculator.CalculateObjectHierarchyPosition(brushElement.Prefab, objectBox.Center, objectMatrix.Scale, objectBox.Rotation);
// We have been modifying the matrix and box data independently so we will ensure that the box uses the latest data
OrientedBox finalBox = new OrientedBox(objectBox);
finalBox.SetTransformMatrix(objectMatrix);
// If the slope test passed, we will calculate an object placement data instance. Otherwise, we will just insert a new node.
if (passesSlopeTest && DoesBoxPassObjectIntersectionTest(finalBox, brushElement.Prefab.UnityPrefab, objectMatrix))
{
objectPlacementDataInstances.Add(new ObjectPlacementData(objectMatrix, brushElement.Prefab, brushElement.MustEmbedInSurface));
}
_objectNodeNetwork.InsertAfterNode(objectBox, objectSurfaceData, 0);
}
}
}
// Adjust the prefab rotations for the next time the function is called
if (_elementToNewPrefabRotation.Count != 0)
{
foreach (var prefabRotationPair in _elementToNewPrefabRotation)
{
DecorPaintObjectPlacementBrushElement brushElement = prefabRotationPair.Key;
if (_elementToCurrentPrefabRotation.ContainsKey(brushElement))
{
_elementToCurrentPrefabRotation[brushElement] = prefabRotationPair.Value;
}
}
}
return(objectPlacementDataInstances);
}
public List <ObjectPlacementData> Calculate()
{
if (_path == null || _path.NumberOfSegments == 0 || !ObjectPlacementGuide.ExistsInScene)
{
return(new List <ObjectPlacementData>());
}
Prefab placementGuidePrefab = ObjectPlacementGuide.Instance.SourcePrefab;
Vector3 placementGuideWorldScale = ObjectPlacementGuide.Instance.WorldScale;
float objectMissChance = _path.Settings.ManualConstructionSettings.ObjectMissChance;
Vector3 yOffsetVector = _path.ExtensionPlane.normal * _path.Settings.ManualConstructionSettings.OffsetAlongGrowDirection;
bool allowObjectIntersection = ObjectPlacementSettings.Get().ObjectIntersectionSettings.AllowIntersectionForPathPlacement;
Quaternion placementGuideRotation = ObjectPlacementGuide.Instance.WorldRotation;
bool rotateObjectsToFollowPath = _path.Settings.ManualConstructionSettings.RotateObjectsToFollowPath;
Vector3 pathExtensionPlaneNormal = _path.ExtensionPlane.normal;
Vector3 firstSegmentExtensionDir = _path.GetSegmentByIndex(0).ExtensionDirection;
Quaternion firstSegmentRotation = Quaternion.LookRotation(firstSegmentExtensionDir, pathExtensionPlaneNormal);
bool randomizePrefabs = _path.Settings.ManualConstructionSettings.RandomizePrefabs;
PrefabCategory activePrefabCategory = PrefabCategoryDatabase.Get().ActivePrefabCategory;
var objectPlacementDataInstances = new List <ObjectPlacementData>(_path.NumberOfSegments * 10);
for (int segmentIndex = 0; segmentIndex < _path.NumberOfSegments; ++segmentIndex)
{
ObjectPlacementBoxStackSegment segment = _path.GetSegmentByIndex(segmentIndex);
Quaternion worldRotation = placementGuideRotation;
if (rotateObjectsToFollowPath)
{
// Note: ObjectPlacementPathManualConstructionSession.cs line 451. The design is a wreck. AGAIN :)
if ((segmentIndex == 0 && _path.NumberOfSegments > 1 && segment.NumberOfStacks == 1))
{
Vector3 dirBetweenStacks = segment.GetStackByIndex(0).BasePosition - _path.GetSegmentByIndex(1).GetStackByIndex(0).BasePosition;
dirBetweenStacks.Normalize();
Quaternion segmentRotation = Quaternion.LookRotation(dirBetweenStacks, pathExtensionPlaneNormal);
Quaternion fromPlacementGuideRotationToThis = QuaternionExtensions.GetRelativeRotation(placementGuideRotation, segmentRotation);
worldRotation = fromPlacementGuideRotationToThis * worldRotation;
}
else
if (segmentIndex != 0)
{
Quaternion segmentRotation = Quaternion.LookRotation(segment.ExtensionDirection, pathExtensionPlaneNormal);
Quaternion fromFirstToThis = QuaternionExtensions.GetRelativeRotation(firstSegmentRotation, segmentRotation);
worldRotation = fromFirstToThis * worldRotation;
}
}
for (int stackIndex = 0; stackIndex < segment.NumberOfStacks; ++stackIndex)
{
ObjectPlacementBoxStack stack = segment.GetStackByIndex(stackIndex);
if (stack.IsOverlappedByAnotherStack)
{
continue;
}
for (int stackBoxIndex = 0; stackBoxIndex < stack.NumberOfBoxes; ++stackBoxIndex)
{
ObjectPlacementBox box = stack.GetBoxByIndex(stackBoxIndex);
if (box.IsHidden)
{
continue;
}
if (ObjectPlacementMissChance.Missed(objectMissChance, ObjectPlacementPathManualConstructionSettings.MinObjectMissChance, ObjectPlacementPathManualConstructionSettings.MaxObjectMissChance))
{
continue;
}
if (!allowObjectIntersection && ObjectQueries.IntersectsAnyObjectsInScene(box.OrientedBox, true))
{
continue;
}
Vector3 worldScale = placementGuideWorldScale;
Prefab prefab = placementGuidePrefab;
if (randomizePrefabs && activePrefabCategory.NumberOfPrefabs != 0)
{
int randomPrefabIndex = UnityEngine.Random.Range(0, activePrefabCategory.NumberOfPrefabs);
Prefab randomPrefab = activePrefabCategory.GetPrefabByIndex(randomPrefabIndex);
if (randomPrefab != null && randomPrefab.UnityPrefab != null)
{
prefab = activePrefabCategory.GetPrefabByIndex(randomPrefabIndex);
worldScale = prefab.UnityPrefab.transform.lossyScale;
}
}
var objectPlacementData = new ObjectPlacementData();
objectPlacementData.WorldPosition = ObjectPositionCalculator.CalculateObjectHierarchyPosition(prefab, box.Center + yOffsetVector, worldScale, worldRotation);
objectPlacementData.WorldScale = worldScale;
objectPlacementData.WorldRotation = worldRotation;
objectPlacementData.Prefab = prefab;
objectPlacementDataInstances.Add(objectPlacementData);
}
}
}
return(objectPlacementDataInstances);
}
public List <ObjectPlacementData> Calculate()
{
if (_block == null || _block.NumberOfSegments == 0 || !ObjectPlacementGuide.ExistsInScene)
{
return(new List <ObjectPlacementData>());
}
Prefab placementGuidePrefab = ObjectPlacementGuide.Instance.SourcePrefab;
Vector3 placementGuideWorldScale = ObjectPlacementGuide.Instance.WorldScale;
Quaternion placementGuideWorldRotation = ObjectPlacementGuide.Instance.WorldRotation;
float objectMissChance = _block.Settings.ManualConstructionSettings.ObjectMissChance;
ObjectRotationRandomizationSettings blockObjectRotationRandomizationSettings = _block.Settings.ManualConstructionSettings.ObjectRotationRandomizationSettings;
bool randomizeRotations = blockObjectRotationRandomizationSettings.RandomizeRotation;
Vector3 objectOffsetAlongExtensionPlaneNormal = _block.Settings.ManualConstructionSettings.OffsetAlongGrowDirection * _block.ExtensionPlane.normal;
bool allowObjectIntersection = ObjectPlacementSettings.Get().ObjectIntersectionSettings.AllowIntersectionForBlockPlacement;
bool randomizePrefabs = _block.Settings.ManualConstructionSettings.RandomizePrefabs;
PrefabCategory activePrefabCategory = PrefabCategoryDatabase.Get().ActivePrefabCategory;
ObjectPlacementBlockProjectionSettings projectionSettings = _block.Settings.BlockProjectionSettings;
bool canProject = projectionSettings.ProjectOnSurface &&
(projectionSettings.CanProjectOnMesh || projectionSettings.CanProjectOnTerrain);
var objectPlacementDataInstances = new List <ObjectPlacementData>(_block.NumberOfSegments * 10);
for (int segmentIndex = 0; segmentIndex < _block.NumberOfSegments; ++segmentIndex)
{
ObjectPlacementBoxStackSegment segment = _block.GetSegmentByIndex(segmentIndex);
for (int stackIndex = 0; stackIndex < segment.NumberOfStacks; ++stackIndex)
{
ObjectPlacementBoxStack stack = segment.GetStackByIndex(stackIndex);
if (stack.IsOverlappedByAnotherStack || stack.NumberOfBoxes == 0)
{
continue;
}
Vector3 projectionOffset = Vector3.zero;
Vector3 projectionDirection = Vector3.zero;
Quaternion prjAlignRotation = Quaternion.identity;
GameObjectRayHit projectionSurfaceHit = null;
if (canProject)
{
Vector3 rayOrigin = stack.GetBoxByIndex(0).Center;
Vector3 rayDir = Vector3.zero;
if (projectionSettings.ProjectionDirection == ObjectBlockProjectionDir.BlockUp)
{
rayDir = _block.ExtensionPlane.normal;
}
else
{
rayDir = -_block.ExtensionPlane.normal;
}
projectionDirection = rayDir;
Ray ray = new Ray(rayOrigin, rayDir);
GameObjectRayHit closestMeshHit = null;
GameObjectRayHit closestTerrainHit = null;
if (projectionSettings.CanProjectOnMesh)
{
closestMeshHit = Octave3DScene.Get().RaycastAllMeshClosest(ray);
}
if (projectionSettings.CanProjectOnTerrain)
{
closestTerrainHit = Octave3DScene.Get().RaycastAllTerainsClosest(ray);
}
// Ignore stack if no surface was found and non-projectables must be rejected
if (closestMeshHit == null && closestTerrainHit == null)
{
if (projectionSettings.RejectNonProjectables)
{
continue;
}
}
else
{
projectionSurfaceHit = closestMeshHit;
if (closestMeshHit == null || (closestTerrainHit != null && closestMeshHit.HitEnter > closestTerrainHit.HitEnter))
{
projectionSurfaceHit = closestTerrainHit;
}
}
if (projectionSurfaceHit != null)
{
ObjectPlacementBox projectionBox = stack.GetBoxByIndex(0);
projectionOffset = projectionSurfaceHit.HitPoint - stack.GetBoxByIndex(0).Center;
if (projectionOffset.sqrMagnitude > (projectionSurfaceHit.HitPoint - stack.GetBoxByIndex(stack.NumberOfBoxes - 1).Center).sqrMagnitude)
{
projectionBox = stack.GetBoxByIndex(stack.NumberOfBoxes - 1);
projectionOffset = projectionSurfaceHit.HitPoint - projectionBox.Center;
}
if (!projectionSettings.AlignToSurfaceNormal)
{
var oobb = projectionBox.OrientedBox;
Vector3 oldCenter = oobb.Center;
GameObjectExtensions.EmbedObjectBoxInSurface(oobb, projectionDirection, projectionSurfaceHit.HitObject);
projectionOffset = oobb.Center - oldCenter;
}
}
}
for (int stackBoxIndex = 0; stackBoxIndex < stack.NumberOfBoxes; ++stackBoxIndex)
{
ObjectPlacementBox box = stack.GetBoxByIndex(stackBoxIndex);
if (box.IsHidden)
{
continue;
}
if (ObjectPlacementMissChance.Missed(objectMissChance, ObjectPlacementBlockManualConstructionSettings.MinObjectMissChance,
ObjectPlacementBlockManualConstructionSettings.MaxObjectMissChance))
{
continue;
}
if (!allowObjectIntersection && ObjectQueries.IntersectsAnyObjectsInScene(box.OrientedBox, true))
{
continue;
}
Quaternion worldRotation = placementGuideWorldRotation;
if (randomizeRotations)
{
worldRotation = ObjectRotationRandomization.GenerateRandomRotationQuaternion(blockObjectRotationRandomizationSettings);
}
Vector3 worldScale = placementGuideWorldScale;
Prefab prefab = placementGuidePrefab;
if (randomizePrefabs && activePrefabCategory.NumberOfPrefabs != 0)
{
int randomPrefabIndex = UnityEngine.Random.Range(0, activePrefabCategory.NumberOfPrefabs);
Prefab randomPrefab = activePrefabCategory.GetPrefabByIndex(randomPrefabIndex);
if (randomPrefab != null && randomPrefab.UnityPrefab != null)
{
prefab = activePrefabCategory.GetPrefabByIndex(randomPrefabIndex);
worldScale = prefab.UnityPrefab.transform.lossyScale;
}
}
Vector3 boxCenter = box.Center + objectOffsetAlongExtensionPlaneNormal + projectionOffset;
if (projectionSurfaceHit != null)
{
if (projectionSettings.AlignToSurfaceNormal)
{
worldRotation = AxisAlignment.CalculateRotationQuaternionForAxisAlignment(worldRotation, projectionSettings.AlignmentAxis, projectionSurfaceHit.HitNormal);
OrientedBox prefabWorldOOBB = prefab.UnityPrefab.GetHierarchyWorldOrientedBox();
Vector3 oobbSize = prefabWorldOOBB.ScaledSize;
int axisIndex = (int)((int)(projectionSettings.AlignmentAxis) * 0.5f);
boxCenter = projectionSurfaceHit.HitPoint + projectionSurfaceHit.HitNormal * oobbSize[axisIndex] * 0.5f + (oobbSize[axisIndex] * stackBoxIndex * projectionSurfaceHit.HitNormal);
}
}
var objectPlacementData = new ObjectPlacementData();
objectPlacementData.WorldPosition = ObjectPositionCalculator.CalculateObjectHierarchyPosition(prefab, boxCenter, worldScale, worldRotation);
objectPlacementData.WorldScale = worldScale;
objectPlacementData.WorldRotation = worldRotation;
objectPlacementData.Prefab = prefab;
objectPlacementDataInstances.Add(objectPlacementData);
}
}
}
return(objectPlacementDataInstances);
}
public List <ObjectPlacementData> Calculate()
{
if (!ValidatePlacementDataCalculationConditions())
{
return(new List <ObjectPlacementData>());
}
_allowObjectIntersection = ObjectPlacementSettings.Get().ObjectIntersectionSettings.AllowIntersectionForPathPlacement;
List <ObjectPlacementBoxStackSegment> allPathSegments = _path.GetAllSegments();
float objectMissChance = _path.Settings.ManualConstructionSettings.ObjectMissChance;
bool usingSprites = _path.Settings.TileConnectionSettings.UsesSprites();
var tileConnectionDetector = new ObjectPlacementPathTileConnectionDetector();
var tileConnectionRotationCalculator = new ObjectPlacementPathTileConnectionRotationCalculator();
List <ObjectPlacementPathTileConnectionGridCell> tileConnectionGridCells = tileConnectionDetector.Detect(_path, _tileConnectionXZSize);
if (tileConnectionGridCells.Count == 0)
{
return(new List <ObjectPlacementData>());
}
List <Prefab> tileConnectionPrefabsExceptAutofill = PathObjectPlacement.Get().PathSettings.TileConnectionSettings.GetAllTileConnectionPrefabs(true);
List <Vector3> tileConnectionWorldScaleValuesExceptAutofill = CalculateWorldScaleForAllTileConnectionPrefabsExceptAutofill(PrefabQueries.GetTransformsForAllPrefabs(tileConnectionPrefabsExceptAutofill), PrefabQueries.GetHierarchyWorldOrientedBoxesForAllPrefabs(tileConnectionPrefabsExceptAutofill));
List <Vector3> tileConnectionOffsetsExceptAutofill = CalculateOffsetsForAllTileConnectionsExceptAutofill();
var objectPlacementDataInstances = new List <ObjectPlacementData>(allPathSegments.Count * 10);
foreach (ObjectPlacementPathTileConnectionGridCell tileConnectionGridCell in tileConnectionGridCells)
{
ObjectPlacementPathTileConnectionType tileConnectionType = tileConnectionGridCell.TileConnectionType;
ObjectPlacementBoxStack tileConnectionStack = tileConnectionGridCell.TileConnectionStack;
if (tileConnectionStack.IsOverlappedByAnotherStack)
{
continue;
}
Prefab tileConnectionPrefab = tileConnectionPrefabsExceptAutofill[(int)tileConnectionType];
Quaternion tileConnectionRotation = tileConnectionRotationCalculator.Calculate(tileConnectionGridCell);
Vector3 tileConnectionWorldScale = tileConnectionWorldScaleValuesExceptAutofill[(int)tileConnectionType];
Vector3 tileConnectionOffset = tileConnectionOffsetsExceptAutofill[(int)tileConnectionType];
for (int stackBoxIndex = 0; stackBoxIndex < tileConnectionStack.NumberOfBoxes; ++stackBoxIndex)
{
ObjectPlacementBox box = tileConnectionStack.GetBoxByIndex(stackBoxIndex);
if (box.IsHidden)
{
continue;
}
if (ObjectPlacementMissChance.Missed(objectMissChance, ObjectPlacementPathManualConstructionSettings.MinObjectMissChance, ObjectPlacementPathManualConstructionSettings.MaxObjectMissChance))
{
continue;
}
if (!_allowObjectIntersection && ObjectQueries.IntersectsAnyObjectsInScene(box.OrientedBox, true))
{
continue;
}
var objectPlacementData = new ObjectPlacementData();
objectPlacementData.WorldPosition = ObjectPositionCalculator.CalculateObjectHierarchyPosition(tileConnectionPrefab, box.Center, tileConnectionWorldScale, tileConnectionRotation);
objectPlacementData.WorldPosition += tileConnectionOffset;
objectPlacementData.WorldScale = tileConnectionWorldScale;
objectPlacementData.WorldRotation = tileConnectionRotation;
objectPlacementData.Prefab = tileConnectionPrefab;
objectPlacementDataInstances.Add(objectPlacementData);
}
// Apply extrusion if necessary
if (!usingSprites)
{
List <OrientedBox> extrusionOrientedBoxes = ObjectPlacementPathTileConnectionExtrusion.GetTileConnectionExtrusionOrientedBoxes(tileConnectionGridCell);
foreach (OrientedBox extrusionBox in extrusionOrientedBoxes)
{
if (ObjectPlacementMissChance.Missed(objectMissChance, ObjectPlacementPathManualConstructionSettings.MinObjectMissChance, ObjectPlacementPathManualConstructionSettings.MaxObjectMissChance))
{
continue;
}
if (!_allowObjectIntersection && ObjectQueries.IntersectsAnyObjectsInScene(extrusionBox, true))
{
continue;
}
var objectPlacementData = new ObjectPlacementData();
objectPlacementData.WorldPosition = ObjectPositionCalculator.CalculateObjectHierarchyPosition(tileConnectionPrefab, extrusionBox.Center, tileConnectionWorldScale, tileConnectionRotation);
objectPlacementData.WorldScale = tileConnectionWorldScale;
objectPlacementData.WorldRotation = tileConnectionRotation;
objectPlacementData.Prefab = tileConnectionPrefab;
objectPlacementDataInstances.Add(objectPlacementData);
}
}
}
ObjectPlacementPathTileConnectionSettings tileConnectionSettings = _path.Settings.TileConnectionSettings;
if (tileConnectionSettings.DoesAutofillTileConnectionHavePrefabAssociated())
{
objectPlacementDataInstances.AddRange(GetPlacementDataForAutofillTiles(tileConnectionGridCells[0].ParentGrid));
}
return(objectPlacementDataInstances);
}
private List <ObjectPlacementData> GetPlacementDataForAutofillTiles(ObjectPlacementPathTileConnectionGrid tileConnectionGrid)
{
Prefab autofillPrefab = _path.Settings.TileConnectionSettings.GetSettingsForTileConnectionType(ObjectPlacementPathTileConnectionType.Autofill).Prefab;
OrientedBox autoFillPrefabWorldOrientedBox = autofillPrefab.UnityPrefab.GetHierarchyWorldOrientedBox();
Vector3 autofillPrefabBoxSize = autoFillPrefabWorldOrientedBox.ScaledSize;
Plane extensionPlane = _path.ExtensionPlane;
float objectMissChance = _path.Settings.ManualConstructionSettings.ObjectMissChance;
bool usingSprites = _path.Settings.TileConnectionSettings.UsesSprites();
var tileConnectionScaleCalculator = new ObjectPlacementPathTileConnectionScaleCalculator();
var tileConnectionYOffsetVectorCalculator = new ObjectPlacementPathTileConnectionYOffsetVectorCalculator();
Vector3 worldScale = tileConnectionScaleCalculator.CalculateWorldScale(_tileConnectionXZSize, autofillPrefabBoxSize, autofillPrefab.UnityPrefab.transform, _path);
Vector3 yOffsetVector = tileConnectionYOffsetVectorCalculator.Calculate(_path.Settings.TileConnectionSettings.GetSettingsForTileConnectionType(ObjectPlacementPathTileConnectionType.Autofill), _path);
List <ObjectPlacementPathTileConnectionGridCell> autoFillTileConnectionGridCells = tileConnectionGrid.CreateAndReturnAutofillTileConnectionCells();
if (autoFillTileConnectionGridCells.Count == 0)
{
return(new List <ObjectPlacementData>());
}
// Note: All autofill tiles have the same rotation.
Quaternion worldRotation = (new ObjectPlacementPathTileConnectionRotationCalculator()).Calculate(autoFillTileConnectionGridCells[0]);
var objectPlacementDataInstances = new List <ObjectPlacementData>(autoFillTileConnectionGridCells.Count);
foreach (ObjectPlacementPathTileConnectionGridCell autofillGridCell in autoFillTileConnectionGridCells)
{
if (ObjectPlacementMissChance.Missed(objectMissChance, ObjectPlacementPathManualConstructionSettings.MinObjectMissChance, ObjectPlacementPathManualConstructionSettings.MaxObjectMissChance))
{
continue;
}
Vector3 cellPosition = tileConnectionGrid.CalculateCellPosition(autofillGridCell.CellIndices);
Vector3 cellPositionOnPathExtensionPlane = extensionPlane.ProjectPoint(cellPosition);
OrientedBox tileOrientedBox = new OrientedBox(autoFillPrefabWorldOrientedBox);
tileOrientedBox.Center = cellPositionOnPathExtensionPlane + extensionPlane.normal * (usingSprites ? 0.0f : autofillPrefabBoxSize.y * 0.5f);
tileOrientedBox.Rotation = worldRotation;
tileOrientedBox.Scale = worldScale;
if (!_allowObjectIntersection && ObjectQueries.IntersectsAnyObjectsInScene(tileOrientedBox, true))
{
continue;
}
var objectPlacementData = new ObjectPlacementData();
objectPlacementData.WorldPosition = ObjectPositionCalculator.CalculateObjectHierarchyPosition(autofillPrefab, tileOrientedBox.Center, worldScale, worldRotation) + yOffsetVector;
objectPlacementData.WorldScale = worldScale;
objectPlacementData.WorldRotation = worldRotation;
objectPlacementData.Prefab = autofillPrefab;
objectPlacementDataInstances.Add(objectPlacementData);
// Apply extrusion if necessary
if (!usingSprites)
{
List <OrientedBox> extrusionOrientedBoxes = ObjectPlacementPathTileConnectionExtrusion.GetTileConnectionExtrusionOrientedBoxes(autofillGridCell);
foreach (OrientedBox extrusionBox in extrusionOrientedBoxes)
{
if (ObjectPlacementMissChance.Missed(objectMissChance, ObjectPlacementPathManualConstructionSettings.MinObjectMissChance, ObjectPlacementPathManualConstructionSettings.MaxObjectMissChance))
{
continue;
}
if (!_allowObjectIntersection && ObjectQueries.IntersectsAnyObjectsInScene(extrusionBox, true))
{
continue;
}
objectPlacementData = new ObjectPlacementData();
objectPlacementData.WorldPosition = ObjectPositionCalculator.CalculateObjectHierarchyPosition(autofillPrefab, extrusionBox.Center, worldScale, worldRotation);
objectPlacementData.WorldScale = worldScale;
objectPlacementData.WorldRotation = worldRotation;
objectPlacementData.Prefab = autofillPrefab;
objectPlacementDataInstances.Add(objectPlacementData);
}
}
}
return(objectPlacementDataInstances);
}
public List <ObjectPlacementData> Calculate()
{
if (_block == null || _block.NumberOfSegments == 0 || !ObjectPlacementGuide.ExistsInScene)
{
return(new List <ObjectPlacementData>());
}
Prefab placementGuidePrefab = ObjectPlacementGuide.Instance.SourcePrefab;
Vector3 placementGuideWorldScale = ObjectPlacementGuide.Instance.WorldScale;
Quaternion placementGuideWorldRotation = ObjectPlacementGuide.Instance.WorldRotation;
float objectMissChance = _block.Settings.ManualConstructionSettings.ObjectMissChance;
ObjectRotationRandomizationSettings blockObjectRotationRandomizationSettings = _block.Settings.ManualConstructionSettings.ObjectRotationRandomizationSettings;
bool randomizeRotations = blockObjectRotationRandomizationSettings.RandomizeRotation;
Vector3 objectOffsetAlongExtensionPlaneNormal = _block.Settings.ManualConstructionSettings.OffsetAlongGrowDirection * _block.ExtensionPlane.normal;
bool allowObjectIntersection = ObjectPlacementSettings.Get().ObjectIntersectionSettings.AllowIntersectionForBlockPlacement;
bool randomizePrefabs = _block.Settings.ManualConstructionSettings.RandomizePrefabs;
PrefabCategory activePrefabCategory = PrefabCategoryDatabase.Get().ActivePrefabCategory;
var objectPlacementDataInstances = new List <ObjectPlacementData>(_block.NumberOfSegments * 10);
for (int segmentIndex = 0; segmentIndex < _block.NumberOfSegments; ++segmentIndex)
{
ObjectPlacementBoxStackSegment segment = _block.GetSegmentByIndex(segmentIndex);
for (int stackIndex = 0; stackIndex < segment.NumberOfStacks; ++stackIndex)
{
ObjectPlacementBoxStack stack = segment.GetStackByIndex(stackIndex);
if (stack.IsOverlappedByAnotherStack)
{
continue;
}
for (int stackBoxIndex = 0; stackBoxIndex < stack.NumberOfBoxes; ++stackBoxIndex)
{
ObjectPlacementBox box = stack.GetBoxByIndex(stackBoxIndex);
if (box.IsHidden)
{
continue;
}
if (ObjectPlacementMissChance.Missed(objectMissChance, ObjectPlacementBlockManualConstructionSettings.MinObjectMissChance, ObjectPlacementBlockManualConstructionSettings.MaxObjectMissChance))
{
continue;
}
if (!allowObjectIntersection && ObjectQueries.IntersectsAnyObjectsInScene(box.OrientedBox, true))
{
continue;
}
Quaternion worldRotation = placementGuideWorldRotation;
if (randomizeRotations)
{
worldRotation = ObjectRotationRandomization.GenerateRandomRotationQuaternion(blockObjectRotationRandomizationSettings);
}
Vector3 worldScale = placementGuideWorldScale;
Prefab prefab = placementGuidePrefab;
if (randomizePrefabs && activePrefabCategory.NumberOfPrefabs != 0)
{
int randomPrefabIndex = UnityEngine.Random.Range(0, activePrefabCategory.NumberOfPrefabs);
Prefab randomPrefab = activePrefabCategory.GetPrefabByIndex(randomPrefabIndex);
if (randomPrefab != null && randomPrefab.UnityPrefab != null)
{
prefab = activePrefabCategory.GetPrefabByIndex(randomPrefabIndex);
worldScale = prefab.UnityPrefab.transform.lossyScale;
}
}
var objectPlacementData = new ObjectPlacementData();
objectPlacementData.WorldPosition = ObjectPositionCalculator.CalculateObjectHierarchyPosition(prefab, box.Center + objectOffsetAlongExtensionPlaneNormal, worldScale, placementGuideWorldRotation);
objectPlacementData.WorldScale = worldScale;
objectPlacementData.WorldRotation = worldRotation;
objectPlacementData.Prefab = prefab;
objectPlacementDataInstances.Add(objectPlacementData);
}
}
}
return(objectPlacementDataInstances);
}