/**
* Returns true if bounds overlap.
*/
public bool Intersects(pb_Bounds2D bounds)
{
Vector2 dist = this.center - bounds.center;
Vector2 size = this.size + bounds.size;
return(Mathf.Abs(dist.x) * 2f < size.x &&
Mathf.Abs(dist.y) * 2f < size.y);
}
private static Vector2[] ApplyUVSettings(Vector2[] uvs, pb_UV uvSettings)
{
int len = uvs.Length;
switch (uvSettings.fill)
{
case pb_UV.Fill.Tile:
break;
case pb_UV.Fill.Fit:
uvs = NormalizeUVs(uvs);
break;
case pb_UV.Fill.Stretch:
uvs = StretchUVs(uvs);
break;
}
// if(uvSettings.justify != pb_UV.Justify.None)
// uvs = JustifyUVs(uvs, uvSettings.justify);
// Apply transform last, so that fill and justify don't override it.
pb_Bounds2D bounds = new pb_Bounds2D(uvs);
if (!uvSettings.useWorldSpace)
{
for (int i = 0; i < uvs.Length; i++)
{
uvs[i] -= (bounds.center - bounds.extents);
}
}
bounds = new pb_Bounds2D(uvs);
for (int i = 0; i < uvs.Length; i++)
{
uvs[i] = uvs[i].ScaleAroundPoint(bounds.center, uvSettings.scale);
uvs[i] = uvs[i].RotateAroundPoint(bounds.center, uvSettings.rotation);
}
for (int i = 0; i < len; i++)
{
float u = uvs[i].x, v = uvs[i].y;
if (uvSettings.flipU)
{
u = -u;
}
if (uvSettings.flipV)
{
v = -v;
}
if (!uvSettings.swapUV)
{
uvs[i] = new Vector2(u, v);
}
else
{
uvs[i] = new Vector2(v, u);
}
}
bounds = new pb_Bounds2D(uvs);
uvSettings.localPivot = bounds.center; // uvSettings.useWorldSpace ? bounds.center : bounds.extents;
uvSettings.localSize = bounds.size;
for (int i = 0; i < uvs.Length; i++)
{
uvs[i] -= uvSettings.offset;
}
return(uvs);
}
public static bool GeneratePolygonCrosshatch(Vector2[] polygon, float scale, Color color, int lineSpacing, ref Texture2D texture)
#endif
{
#if PB_DEBUG
profiler.BeginSample("GeneratePolygonCrosshatch");
#endif
pb_Bounds2D bounds = new pb_Bounds2D(polygon);
Vector2 offset = bounds.center - bounds.extents;
/// shift polygon to origin 0,0
for(int i = 0; i < polygon.Length; i++)
{
polygon[i] -= offset;
polygon[i] *= scale;
}
bounds.center -= offset;
bounds.size *= scale;
int width = (int)(bounds.size.x);
int height = (int)(bounds.size.y);
if(width <= 0 || height <= 0)
return false;
#if PB_DEBUG
profiler.BeginSample("Allocate Texture");
#endif
if(texture == null)
{
texture = new Texture2D(width, height, TextureFormat.ARGB32, false);
texture.filterMode = FilterMode.Point;
texture.wrapMode = TextureWrapMode.Clamp;
}
else
{
if(texture.width != width || texture.height != height)
texture.Resize(width, height, TextureFormat.ARGB32, false);
}
#if PB_DEBUG
profiler.EndSample();
profiler.BeginSample("Fill Clear");
#endif
Color[] colors = new Color[width*height];
List<int> intersects = new List<int>();
for(int i = 0; i < width*height; i++)
colors[i] = Color.clear;
#if PB_DEBUG
profiler.EndSample();
#endif
/**
* Horizontal lines
*/
for(int h = 0; h < height/lineSpacing; h++)
{
int y = (h*lineSpacing);
intersects.Clear();
#if PB_DEBUG
profiler.BeginSample("Find Intersections");
#endif
Vector2 start = new Vector2(bounds.center.x - bounds.size.x, y);
Vector2 end = new Vector2(bounds.center.x + bounds.size.x, y);
for(int i = 0; i < polygon.Length; i+=2)
{
Vector2 intersect = Vector2.zero;
if( pb_Math.GetLineSegmentIntersect(polygon[i], polygon[i+1], start, end, ref intersect) )
intersects.Add((int)intersect.x);
}
intersects = intersects.Distinct().ToList();
intersects.Sort();
#if PB_DEBUG
profiler.EndSample();
profiler.BeginSample("Fill Color");
#endif
for(int i = 0; i < intersects.Count-1; i++)
{
// can't just use Dot product because we the winding order isn't consistent
if( pb_Math.PointInPolygon(polygon, new Vector2(intersects[i]+2, y)) )
{
for(int n = intersects[i]; n < intersects[i+1]; n++)
{
colors[ ((height-1)-y) * width + n] = color;
}
}
}
#if PB_DEBUG
profiler.EndSample();
#endif
}
/**
* Vertical lines
*/
if(lineSpacing > 1)
{
for(int w = 0; w < width/lineSpacing; w++)
{
int x = (w*lineSpacing);
intersects.Clear();
Vector2 start = new Vector2(x, bounds.center.y - bounds.size.y);
Vector2 end = new Vector2(x, bounds.center.y + bounds.size.y);
for(int i = 0; i < polygon.Length; i+=2)
{
Vector2 intersect = Vector2.zero;
if( pb_Math.GetLineSegmentIntersect(polygon[i], polygon[i+1], start, end, ref intersect) )
intersects.Add((int)intersect.y);
}
intersects = intersects.Distinct().ToList();
intersects.Sort();
for(int i = 0; i < intersects.Count-1; i++)
{
if(pb_Math.PointInPolygon(polygon, new Vector2(x, intersects[i]+2)))
{
for(int y = intersects[i]; y < intersects[i+1]; y++)
{
colors[ ((height-1)-y) * width + x] = color;
}
}
}
}
}
#if PB_DEBUG
profiler.BeginSample("SetPixels");
#endif
texture.SetPixels(colors);
texture.Apply(false);
#if PB_DEBUG
profiler.EndSample();
profiler.EndSample();
#endif
return true;
}
/**
* Attempts to translate, rotate, and scale @points to match @target as closely as possible.
* Only points[0, target.Length] coordinates are used in the matching process - points[target.Length, points.Length]
* are just along for the ride.
*/
public static pb_Transform2D MatchCoordinates(Vector2[] points, Vector2[] target)
{
int length = points.Length < target.Length ? points.Length : target.Length;
pb_Bounds2D t_bounds = new pb_Bounds2D(target, length); // only match the bounds of known matching points
// move points to the center of target
Vector2 translation = t_bounds.center - pb_Bounds2D.Center(points, length);
Vector2[] transformed = new Vector2[points.Length];
for(int i = 0; i < points.Length; i++)
transformed[i] = points[i] + translation;
// rotate to match target points
Vector2 target_angle = target[1]-target[0], transform_angle = transformed[1]-transformed[0];
float angle = Vector2.Angle(target_angle, transform_angle);
float dot = Vector2.Dot( pb_Math.Perpendicular(target_angle), transform_angle);
if(dot < 0) angle = 360f - angle;
for(int i = 0; i < points.Length; i++)
transformed[i] = transformed[i].RotateAroundPoint(t_bounds.center, angle);
// and lastly scale
pb_Bounds2D p_bounds = new pb_Bounds2D(transformed, length);
Vector2 scale = t_bounds.size.DivideBy(p_bounds.size);
// for(int i = 0; i < points.Length; i++)
// transformed[i] = transformed[i].ScaleAroundPoint(t_bounds.center, scale);
return new pb_Transform2D(translation, angle, scale);
}
/**
* Internal because pb_Editor needs to call this sometimes.
*/
internal void OnFinishUVModification()
{
pb_Lightmapping.PopGIWorkflowMode();
modifyingUVs = false;
if((tool == Tool.Rotate || tool == Tool.Scale) && userPivot)
{
selected_canvas_bounds = CanvasSelectionBounds();
SetHandlePosition(handlePosition_canvas, true);
}
if(mode == UVMode.Mixed || mode == UVMode.Auto)
{
pbUndo.RegisterCompleteObjectUndo(selection, (tool == Tool.Move ? "Translate UVs" : tool == Tool.Rotate ? "Rotate UVs" : "Scale UVs") );
foreach(pb_Object pb in selection)
{
if(pb.SelectedFaceCount > 0)
{
/**
* Sort faces into texture groups for re-projection
*/
Dictionary<int, List<pb_Face>> textureGroups = new Dictionary<int, List<pb_Face>>();
int n = -2;
foreach(pb_Face face in System.Array.FindAll(pb.SelectedFaces, x => !x.manualUV))
{
if(textureGroups.ContainsKey(face.textureGroup))
textureGroups[face.textureGroup].Add(face);
else
textureGroups.Add( face.textureGroup > 0 ? face.textureGroup : n--, new List<pb_Face>() {face} );
}
foreach(KeyValuePair<int, List<pb_Face>> kvp in textureGroups)
{
/**
* Rotation - only applies to rotation tool
*/
if(tool == Tool.Rotate)
{
foreach(pb_Face face in kvp.Value)
{
if((face.uv.flipU ^ face.uv.flipV) ^ face.uv.swapUV)
uvRotation = -uvRotation;
face.uv.rotation += uvRotation;
if(face.uv.rotation > 360f) face.uv.rotation = face.uv.rotation % 360f;
if(face.uv.rotation < 0f) face.uv.rotation = 360f + (face.uv.rotation % 360f);
}
}
/**
* Scale is applied in real-time
*/
/**
* Reproject because uv.localPivot needs to be accurate for this to work properly
*/
foreach(pb_Face face in kvp.Value)
face.uv.offset = Vector2.zero;
Vector3 nrm = Vector3.zero;
foreach(pb_Face face in kvp.Value)
{
nrm += pb_Math.Normal( pb.vertices[face.indices[0]],
pb.vertices[face.indices[1]],
pb.vertices[face.indices[2]] );
}
nrm /= (float)kvp.Value.Count;
int[] tris = pb_Face.AllTriangles(kvp.Value).ToArray();
if(kvp.Value[0].uv.useWorldSpace)
{
pb.transform.TransformDirection(nrm);
pb_UVUtility.PlanarMap( pb.transform.ToWorldSpace(pb.GetVertices(tris)), kvp.Value[0].uv, nrm );
}
else
{
pb_UVUtility.PlanarMap( pb.GetVertices(tris), kvp.Value[0].uv, nrm );
}
foreach(pb_Face face in kvp.Value)
face.uv.localPivot = kvp.Value[0].uv.localPivot;
/**
* Translation - applies for every tool
*/
Vector2 handle = pb_Handle_Utility.GUIToUVPoint(handlePosition_canvas, uvGridSize);
Vector2 cen = pb_Bounds2D.Center(pb.GetUVs(tris));
foreach(pb_Face face in kvp.Value)
face.uv.offset = -((handle - face.uv.localPivot) - (handle-cen));
}
}
else
{
FlagSelectedFacesAsManual(pb);
}
}
}
else if(mode == UVMode.Manual)
{
foreach(pb_Object pb in selection)
{
if(pb.SelectedFaceIndices.Length > 0)
{
foreach(pb_Face face in pb.SelectedFaces)
{
face.textureGroup = -1;
face.manualUV = true;
}
}
else
{
FlagSelectedFacesAsManual(pb);
}
}
}
// Regenerate UV2s
foreach(pb_Object pb in selection)
{
pb.ToMesh();
pb.Refresh();
pb.Optimize();
}
}
/**
* Refresh only the selected UV coordinates.
*/
void RefreshSelectedUVCoordinates()
{
for(int n = 0; n < selection.Length; n++)
{
Vector2[] uvs = GetUVs(selection[n], channel);
foreach(int i in distinct_indices[n])
uvs_canvas_space[n][i] = pb_Handle_Utility.UVToGUIPoint(uvs[i], uvGridSize);
}
selected_canvas_bounds = CanvasSelectionBounds();
handlePosition_canvas = selected_canvas_bounds.center - handlePosition_offset;
}
/**
* If dragRect is null, the selected UV array will be derived using the selected ProBuilder faces.
* If it ain't null, selected UVs will be set to the UV coordinates contained within the drag rect.
*/
void RefreshUVCoordinates(Rect? dragRect, bool isClick)
{
if(editor == null || selection == null) return;
#if PB_DEBUG
profiler.BeginSample("RefreshUVCoordinates");
#endif
// Collect drawables
uvs_canvas_space = new Vector2[selection.Length][];
// Convert dragrect from Unity GUI space to uv_gui_space
pb_Bounds2D dragBounds = dragRect != null ?
new pb_Bounds2D( GUIToCanvasPoint(((Rect)dragRect).center), new Vector2( ((Rect)dragRect).width, ((Rect)dragRect).height) / uvGraphScale ) :
new pb_Bounds2D( Vector2.zero, Vector2.zero );
selectedUVCount = editor.selectedVertexCount;
selectedFaceCount = editor.selectedFaceCount;
// selectedEdgeCount = editor.selectedEdgeCount;
for(int i = 0; i < selection.Length; i++)
{
pb_Object pb = selection[i];
Vector2[] mshUV = GetUVs(pb, channel);
int len = mshUV.Length;
uvs_canvas_space[i] = new Vector2[len];
for(int j = 0; j < len; j++)
uvs_canvas_space[i][j] = pb_Handle_Utility.UVToGUIPoint(mshUV[j], uvGridSize);
// this should probably be separate from RefreshUVCoordinates
if(dragRect != null)
{
switch(selectionMode)
{
case SelectMode.Vertex:
List<int> selectedTris = new List<int>(pb.SelectedTriangles);
for(int j = 0; j < len; j++)
{
if( dragBounds.ContainsPoint( uvs_canvas_space[i][j] ) )
{
int indx = selectedTris.IndexOf(j);
if(indx > -1)
selectedTris.RemoveAt(indx);
else
selectedTris.Add(j);
// if this is a click, only do one thing per-click
if(isClick)
break;
}
}
pb.SetSelectedTriangles(selectedTris.ToArray());
break;
case SelectMode.Edge:
List<pb_Edge> selectedEdges = new List<pb_Edge>(pb.SelectedEdges);
for(int n = 0; n < pb.faces.Length; n++)
{
for(int p = 0; p < pb.faces[n].edges.Length; p++)
{
pb_Edge edge = pb.faces[n].edges[p];
if( dragBounds.IntersectsLineSegment( uvs_canvas_space[i][edge.x], uvs_canvas_space[i][edge.y]) )
{
if(!selectedEdges.Contains(edge))
selectedEdges.Add( edge );
else
selectedEdges.Remove( edge );
}
}
}
pb.SetSelectedEdges(selectedEdges.ToArray());
break;
/**
* Check if any of the faces intersect with the mousedrag rect.
*/
case SelectMode.Face:
HashSet<int> selectedFaces = new HashSet<int>(selection[i].SelectedFaceIndices);
for(int n = 0; n < pb.faces.Length; n++)
{
// Vector2[] uvs = pbUtil.ValuesWithIndices(, pb.faces[n].distinctIndices);
int[] distinctIndices = pb.faces[n].distinctIndices;
bool allPointsContained = true;
for(int t = 0; t < distinctIndices.Length; t++)
{
if( ! dragBounds.ContainsPoint(uvs_canvas_space[i][distinctIndices[t]]) )
{
allPointsContained = false;
break;
}
}
// // if(dragBounds.Intersects(faceBounds))
// for(int t = 0; t < uvs.Length; t++)
// {
// if(!dragBounds.ContainsPoint(uvs[t]))
// {
// allPointsContained = false;
// break;
// }
// }
if(allPointsContained)
{
if( selectedFaces.Contains(n) )
selectedFaces.Remove(n);
else
selectedFaces.Add(n);
}
}
selection[i].SetSelectedFaces(selectedFaces.ToArray());
break;
}
editor.UpdateSelection(false);
SceneView.RepaintAll();
}
}
// figure out what the mode of selected faces is
if(editor.selectedFaceCount > 0)
{
// @todo write a more effecient method for this
List<bool> manual = new List<bool>();
for(int i = 0; i < selection.Length; i++)
manual.AddRange( selection[i].SelectedFaces.Select(x => x.manualUV).ToList() );
int c = manual.Distinct().Count();
if(c > 1)
mode = UVMode.Mixed;
else if (c > 0)
mode = manual[0] ? UVMode.Manual : UVMode.Auto;
}
else
{
mode = UVMode.Manual;
}
editor.GetFirstSelectedMaterial(ref preview_material);
selected_canvas_bounds = CanvasSelectionBounds();
handlePosition_canvas = selected_canvas_bounds.center - handlePosition_offset;
#if PB_DEBUG
profiler.EndSample();
#endif
}
/**
* Returns true if bounds overlap.
*/
public bool Intersects(pb_Bounds2D bounds)
{
Vector2 dist = this.center - bounds.center;
Vector2 size = this.size + bounds.size;
return Mathf.Abs(dist.x) * 2f < size.x &&
Mathf.Abs(dist.y) * 2f < size.y;
}
private static Vector2[] ApplyUVSettings(Vector2[] uvs, pb_UV uvSettings)
{
int len = uvs.Length;
switch(uvSettings.fill)
{
case pb_UV.Fill.Tile:
break;
case pb_UV.Fill.Fit:
uvs = NormalizeUVs(uvs);
break;
case pb_UV.Fill.Stretch:
uvs = StretchUVs(uvs);
break;
}
// if(uvSettings.justify != pb_UV.Justify.None)
// uvs = JustifyUVs(uvs, uvSettings.justify);
// Apply transform last, so that fill and justify don't override it.
pb_Bounds2D bounds = new pb_Bounds2D(uvs);
if(!uvSettings.useWorldSpace)
for(int i = 0; i < uvs.Length; i++)
uvs[i] -= (bounds.center - bounds.extents);
bounds = new pb_Bounds2D(uvs);
for(int i = 0; i < uvs.Length; i++)
{
uvs[i] = uvs[i].ScaleAroundPoint(bounds.center, uvSettings.scale);
uvs[i] = uvs[i].RotateAroundPoint(bounds.center, uvSettings.rotation);
}
for(int i = 0; i < len; i++)
{
float u = uvs[i].x, v = uvs[i].y;
if(uvSettings.flipU)
u = -u;
if(uvSettings.flipV)
v = -v;
if(!uvSettings.swapUV)
uvs[i] = new Vector2(u, v);
else
uvs[i] = new Vector2(v, u);
}
bounds = new pb_Bounds2D(uvs);
uvSettings.localPivot = bounds.center;// uvSettings.useWorldSpace ? bounds.center : bounds.extents;
uvSettings.localSize = bounds.size;
for(int i = 0; i < uvs.Length; i++)
uvs[i] -= uvSettings.offset;
return uvs;
}