public static ShapeExtrusionState Do(Rect dragArea, out Curve2D shape, out float height, out ChiselModel modelBeneathCursor, out Matrix4x4 transformation, Axis axis)
{
try
{
if (!s_ExtrusionMode)
{
// TODO: handle snapping against own points
// TODO: handle ability to 'commit'
PointDrawing.PointDrawHandle(dragArea, ref s_Points, out s_Transformation, out s_ModelBeneathCursor, releaseOnMouseUp: true, UnitySceneExtensions.SceneHandles.OutlinedDotHandleCap);
if (s_Points.Count <= 1)
{
return(ShapeExtrusionState.HoverMode);
}
if (s_Points.Count <= 3)
{
return(ShapeExtrusionState.ShapeMode);
}
if ((s_Points[s_Points.Count - 2] - s_Points[0]).sqrMagnitude < PointDrawing.kDistanceEpsilon)
{
s_ExtrusionMode = true;
s_Points[s_Points.Count - 1] = s_Points[0];
return(ShapeExtrusionState.Create);
}
return(ShapeExtrusionState.ShapeMode);
}
else
{
var tempPoint = s_Points[s_Points.Count - 1];
var oldMatrix = UnityEditor.Handles.matrix;
UnityEditor.Handles.matrix = UnityEditor.Handles.matrix * s_Transformation;
var extrusionState = ExtrusionHandle.DoHandle(dragArea, ref tempPoint, axis);
UnityEditor.Handles.matrix = oldMatrix;
s_Points[s_Points.Count - 1] = tempPoint;
switch (extrusionState)
{
case ExtrusionState.Cancel: { s_ExtrusionMode = false; return(ShapeExtrusionState.Cancel); }
case ExtrusionState.Commit: { s_ExtrusionMode = false; return(ShapeExtrusionState.Commit); }
case ExtrusionState.Modified: { return(ShapeExtrusionState.Modified); }
}
return(ShapeExtrusionState.ExtrusionMode);
}
}
finally
{
modelBeneathCursor = s_ModelBeneathCursor;
transformation = s_Transformation;
shape = GetShape();
height = GetHeight(axis);
}
}
public static ExtrusionState DoHandle(ref Vector3 position, Axis axis, float?snappingSteps = null)
{
var id = GUIUtility.GetControlID(s_HeightSizingHash, FocusType.Keyboard);
return(ExtrusionHandle.Do(id, ref position, axis, snappingSteps));
}
public static BoxExtrusionState Do(Rect dragArea, out Bounds bounds, out float height, out ChiselModel modelBeneathCursor, out Matrix4x4 transformation, BoxExtrusionFlags flags, Axis axis, float?snappingSteps = null)
{
try
{
if (SceneHandles.InCameraOrbitMode)
{
return(BoxExtrusionState.None);
}
if (s_Points.Count <= 2)
{
PointDrawing.PointDrawHandle(dragArea, ref s_Points, out s_Transformation, out s_ModelBeneathCursor, UnitySceneExtensions.SceneHandles.OutlinedDotHandleCap);
if (s_Points.Count <= 1)
{
return(BoxExtrusionState.HoverMode);
}
if (s_Points.Count > 2)
{
s_Points[2] = s_Points[0];
return(BoxExtrusionState.Create);
}
return(BoxExtrusionState.SquareMode);
}
else
{
var tempPoint = s_Points[2];
var oldMatrix = UnityEditor.Handles.matrix;
UnityEditor.Handles.matrix = UnityEditor.Handles.matrix * s_Transformation;
var extrusionState = ExtrusionHandle.DoHandle(dragArea, ref tempPoint, axis, snappingSteps: snappingSteps);
UnityEditor.Handles.matrix = oldMatrix;
s_Points[2] = tempPoint;
switch (extrusionState)
{
case ExtrusionState.Cancel: { return(BoxExtrusionState.Cancel); }
case ExtrusionState.Commit: { return(BoxExtrusionState.Commit); }
case ExtrusionState.Modified: { return(BoxExtrusionState.Modified); }
}
return(BoxExtrusionState.BoxMode);
}
}
finally
{
modelBeneathCursor = s_ModelBeneathCursor;
bounds = GetBounds(flags, axis);
height = GetHeight(axis);
var center = bounds.center;
if ((flags & BoxExtrusionFlags.GenerateFromCenterY) != BoxExtrusionFlags.GenerateFromCenterY)
{
center[(int)axis] -= height * 0.5f;
}
transformation = s_Transformation * Matrix4x4.TRS(center, Quaternion.identity, Vector3.one);
#if true
//if (height > 0)
{
if ((flags & BoxExtrusionFlags.AlwaysFaceUp) == BoxExtrusionFlags.AlwaysFaceUp)
{
var currentUp = transformation.MultiplyVector(Vector3.up);
var currentForward = transformation.MultiplyVector(Vector3.forward);
var currentRight = transformation.MultiplyVector(Vector3.right);
var desiredUp = Grid.ActiveGrid.Up;
var dotX = Vector3.Dot(currentRight, desiredUp);
var dotY = Vector3.Dot(currentUp, desiredUp);
var dotZ = Vector3.Dot(currentForward, desiredUp);
var absDotX = Mathf.Abs(dotX);
var absDotY = Mathf.Abs(dotY);
var absDotZ = Mathf.Abs(dotZ);
if (absDotX > absDotZ)
{
if (absDotX > absDotY)
{
var size = bounds.size;
var t = size.x; size.x = size.y; size.y = t;
bounds.size = size;
axis = Axis.X;
var position = transformation.GetColumn(3);
transformation.SetColumn(3, new Vector4(0, 0, 0, 1));
transformation *= Matrix4x4.TRS(position, Quaternion.identity, Vector3.one);
transformation *= new Matrix4x4(new Vector4(0, 1, 0, 0),
new Vector4(1, 0, 0, 0),
new Vector4(0, 0, 1, 0),
new Vector4(0, 0, 0, 1));
transformation.SetColumn(3, position);
}
}
else
{
if (absDotZ > absDotY)
{
var size = bounds.size;
var t = size.z; size.z = size.y; size.y = t;
bounds.size = size;
axis = Axis.Z;
var position = transformation.GetColumn(3);
transformation.SetColumn(3, new Vector4(0, 0, 0, 1));
transformation *= Matrix4x4.TRS(position, Quaternion.identity, Vector3.one);
transformation *= new Matrix4x4(new Vector4(1, 0, 0, 0),
new Vector4(0, 0, 1, 0),
new Vector4(0, 1, 0, 0),
new Vector4(0, 0, 0, 1));
transformation.SetColumn(3, position);
}
}
}
if (!s_ModelBeneathCursor &&
(flags & BoxExtrusionFlags.AlwaysFaceCameraXZ) == BoxExtrusionFlags.AlwaysFaceCameraXZ)
{
// TODO: take grid orientation into account to decide what is "X" and what is "Z"
var currentForward = transformation.MultiplyVector(Vector3.forward);
var currentRight = transformation.MultiplyVector(Vector3.right);
var cameraOffset = Camera.current.transform.forward;
var cameraForward = (new Vector3(cameraOffset.x, 0, cameraOffset.z)).normalized;
var dotZ = Vector3.Dot(currentForward, cameraForward);
var dotX = Vector3.Dot(currentRight, cameraForward);
var angle = 0;
if (Mathf.Abs(dotX) < Mathf.Abs(dotZ))
{
if (dotZ > 0)
{
angle += 180;
}
}
else
{
if (dotX < 0)
{
angle += 90;
}
else
{
angle -= 90;
}
if (axis == Axis.X)
{
axis = Axis.Z;
}
var size = bounds.size;
var t = size.x; size.x = size.z; size.z = t;
bounds.size = size;
}
var position = transformation.GetColumn(3);
transformation.SetColumn(3, new Vector4(0, 0, 0, 1));
transformation *= Matrix4x4.TRS(position, Quaternion.identity, Vector3.one);
transformation *= Matrix4x4.TRS(Vector3.zero, Quaternion.Euler(0, angle, 0), Vector3.one);
transformation.SetColumn(3, position);
}
}
#endif
center = Vector3.zero;
if ((flags & BoxExtrusionFlags.GenerateFromCenterY) != BoxExtrusionFlags.GenerateFromCenterY)
{
center[(int)axis] = height * 0.5f;
}
bounds.center = center;
}
}
public static BoxExtrusionState Do(Rect dragArea, out Bounds bounds, out float height, out ChiselModel modelBeneathCursor, out Matrix4x4 transformation, BoxExtrusionFlags flags, Axis axis, float?snappingSteps = null)
{
try
{
if (SceneHandles.InCameraOrbitMode)
{
return(BoxExtrusionState.None);
}
if (s_Points.Count <= 2)
{
PointDrawing.PointDrawHandle(dragArea, ref s_Points, out s_Transformation, out s_ModelBeneathCursor, UnitySceneExtensions.SceneHandles.OutlinedDotHandleCap);
if (s_Points.Count <= 1)
{
return(BoxExtrusionState.HoverMode);
}
if (s_Points.Count > 2)
{
s_Points[2] = s_Points[0];
return(BoxExtrusionState.Create);
}
return(BoxExtrusionState.SquareMode);
}
else
{
var tempPoint = s_Points[2];
var oldMatrix = UnityEditor.Handles.matrix;
UnityEditor.Handles.matrix = UnityEditor.Handles.matrix * s_Transformation;
var extrusionState = ExtrusionHandle.DoHandle(dragArea, ref tempPoint, axis, snappingSteps: snappingSteps);
UnityEditor.Handles.matrix = oldMatrix;
s_Points[2] = tempPoint;
switch (extrusionState)
{
case ExtrusionState.Cancel: { return(BoxExtrusionState.Cancel); }
case ExtrusionState.Commit: { return(BoxExtrusionState.Commit); }
case ExtrusionState.Modified: { return(BoxExtrusionState.Modified); }
}
return(BoxExtrusionState.BoxMode);
}
}
finally
{
modelBeneathCursor = s_ModelBeneathCursor;
bounds = GetBounds(flags, axis);
height = GetHeight(axis);
var center = bounds.center;
if ((flags & BoxExtrusionFlags.GenerateFromCenterY) != BoxExtrusionFlags.GenerateFromCenterY)
{
center[(int)axis] -= height * 0.5f;
}
transformation = s_Transformation * Matrix4x4.TRS(center, Quaternion.identity, Vector3.one);
center = Vector3.zero;
if ((flags & BoxExtrusionFlags.GenerateFromCenterY) != BoxExtrusionFlags.GenerateFromCenterY)
{
center[(int)axis] = height * 0.5f;
}
bounds.center = center;
}
}
public static ExtrusionState DoHandle(Rect dragArea, ref Vector3 position, Axis axis, UnitySceneExtensions.SceneHandles.CapFunction capFunction = null, float?snappingSteps = null)
{
var id = GUIUtility.GetControlID(s_HeightSizingHash, FocusType.Keyboard);
return(ExtrusionHandle.Do(id, dragArea, ref position, axis, capFunction, snappingSteps));
}
public static GeneratorModeState Do(Rect dragArea, out Bounds bounds, out float height, out ChiselModel modelBeneathCursor, out Matrix4x4 transformation, PlacementFlags flags, Axis upAxis, float?snappingSteps = null)
{
// TODO: shift should do SameLengthXZ, shift control includes Y
// TODO: fixed height should be possible to change sign
// TODO: have some sort of click placement of previously used bounds (alt?)
//bounds = s_LastBounds;
bool doCommit = false;
try
{
if (SceneHandles.InCameraOrbitMode)
{
return(GeneratorModeState.None);
}
height = GetHeight(flags, upAxis);
if (s_Points.Count <= 2)
{
PointDrawing.PointDrawHandle(dragArea, ref s_Points, out s_Transformation, out s_ModelBeneathCursor, releaseOnMouseUp: false, UnitySceneExtensions.SceneHandles.OutlinedDotHandleCap);
if (s_Points.Count <= 1)
{
return(GeneratorModeState.None);
}
}
if (s_Points.Count > 2)
{
if (!s_ModifyMode)
{
PointDrawing.Release();
if ((flags & PlacementFlags.HeightEqualsHalfXZ) == PlacementFlags.HeightEqualsHalfXZ ||
(flags & PlacementFlags.HeightEqualsXZ) == PlacementFlags.HeightEqualsXZ ||
(flags & PlacementFlags.UseLastHeight) == PlacementFlags.UseLastHeight)
{
if (height > 0)
{
s_ModifyMode = false;
doCommit = true;
return(GeneratorModeState.Commit);
}
}
s_Points[2] = s_Points[1];
s_ModifyMode = true;
return(GeneratorModeState.Update);
}
if (s_ModifyMode)
{
var oldMatrix = UnityEditor.Handles.matrix;
UnityEditor.Handles.matrix *= s_Transformation;
var tempPoint = s_Points[2];
var extrusionState = ExtrusionHandle.DoHandle(ref tempPoint, upAxis, snappingSteps: snappingSteps);
s_Points[2] = tempPoint;
UnityEditor.Handles.matrix = oldMatrix;
switch (extrusionState)
{
case ExtrusionState.Cancel: { s_ModifyMode = false; return(GeneratorModeState.Cancel); }
case ExtrusionState.Commit:
{
s_ModifyMode = false;
doCommit = true;
return(GeneratorModeState.Commit);
}
}
}
}
return(GeneratorModeState.Update);
}
finally
{
modelBeneathCursor = s_ModelBeneathCursor;
bounds = GetBounds(flags, upAxis);
height = bounds.size[(int)upAxis];
var center = bounds.center;
if ((flags & PlacementFlags.GenerateFromCenterY) != PlacementFlags.GenerateFromCenterY)
{
center[(int)upAxis] -= height * 0.5f;
}
transformation = s_Transformation * Matrix4x4.TRS(center, Quaternion.identity, Vector3.one);
#if true
//if (height > 0)
{
if ((flags & PlacementFlags.AlwaysFaceUp) == PlacementFlags.AlwaysFaceUp)
{
var currentUp = transformation.MultiplyVector(Vector3.up);
var currentForward = transformation.MultiplyVector(Vector3.forward);
var currentRight = transformation.MultiplyVector(Vector3.right);
var desiredUp = Grid.ActiveGrid.Up;
var dotX = Vector3.Dot(currentRight, desiredUp);
var dotY = Vector3.Dot(currentUp, desiredUp);
var dotZ = Vector3.Dot(currentForward, desiredUp);
var absDotX = Mathf.Abs(dotX);
var absDotY = Mathf.Abs(dotY);
var absDotZ = Mathf.Abs(dotZ);
if (absDotX > absDotZ)
{
if (absDotX > absDotY)
{
var size = bounds.size;
var t = size.x; size.x = size.y; size.y = t;
bounds.size = size;
upAxis = Axis.X;
var position = transformation.GetColumn(3);
transformation.SetColumn(3, new Vector4(0, 0, 0, 1));
transformation *= Matrix4x4.TRS(position, Quaternion.identity, Vector3.one);
transformation *= new Matrix4x4(new Vector4(0, 1, 0, 0),
new Vector4(1, 0, 0, 0),
new Vector4(0, 0, 1, 0),
new Vector4(0, 0, 0, 1));
transformation.SetColumn(3, position);
}
}
else
{
if (absDotZ > absDotY)
{
var size = bounds.size;
var t = size.z; size.z = size.y; size.y = t;
bounds.size = size;
upAxis = Axis.Z;
var position = transformation.GetColumn(3);
transformation.SetColumn(3, new Vector4(0, 0, 0, 1));
transformation *= Matrix4x4.TRS(position, Quaternion.identity, Vector3.one);
transformation *= new Matrix4x4(new Vector4(1, 0, 0, 0),
new Vector4(0, 0, 1, 0),
new Vector4(0, 1, 0, 0),
new Vector4(0, 0, 0, 1));
transformation.SetColumn(3, position);
}
}
}
if (!s_ModelBeneathCursor &&
(flags & PlacementFlags.AlwaysFaceCameraXZ) == PlacementFlags.AlwaysFaceCameraXZ)
{
// TODO: take grid orientation into account to decide what is "X" and what is "Z"
var currentForward = transformation.MultiplyVector(Vector3.forward);
var currentRight = transformation.MultiplyVector(Vector3.right);
var cameraOffset = Camera.current.transform.forward;
var cameraForward = (new Vector3(cameraOffset.x, 0, cameraOffset.z)).normalized;
var dotZ = Vector3.Dot(currentForward, cameraForward);
var dotX = Vector3.Dot(currentRight, cameraForward);
var angle = 0;
if (Mathf.Abs(dotX) < Mathf.Abs(dotZ))
{
if (dotZ > 0)
{
angle += 180;
}
}
else
{
if (dotX < 0)
{
angle += 90;
}
else
{
angle -= 90;
}
if (upAxis == Axis.X)
{
upAxis = Axis.Z;
}
var size = bounds.size;
var t = size.x; size.x = size.z; size.z = t;
bounds.size = size;
}
var position = transformation.GetColumn(3);
transformation.SetColumn(3, new Vector4(0, 0, 0, 1));
transformation *= Matrix4x4.TRS(position, Quaternion.identity, Vector3.one);
transformation *= Matrix4x4.TRS(Vector3.zero, Quaternion.Euler(0, angle, 0), Vector3.one);
transformation.SetColumn(3, position);
}
}
#endif
center = Vector3.zero;
if ((flags & PlacementFlags.GenerateFromCenterY) != PlacementFlags.GenerateFromCenterY)
{
center[(int)upAxis] = height * 0.5f;
}
else
{
center[(int)upAxis] = 0;
}
bounds.center = center;
if (doCommit)
{
s_LastBounds = bounds;
s_LastHeight = s_NextHeight;
}
}
}