UltimateZoneBuilder/Source/Plugins/BuilderModes/ClassicModes/VerticesMode.cs
2023-06-10 19:31:53 +02:00

1332 lines
38 KiB
C#
Executable file

#region ================== Copyright (c) 2007 Pascal vd Heiden
/*
* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
* This program is released under GNU General Public License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#endregion
#region ================== Namespaces
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using CodeImp.DoomBuilder.BuilderModes.Interface;
using CodeImp.DoomBuilder.Windows;
using CodeImp.DoomBuilder.Map;
using CodeImp.DoomBuilder.Rendering;
using CodeImp.DoomBuilder.Geometry;
using CodeImp.DoomBuilder.Editing;
using CodeImp.DoomBuilder.Actions;
using System.Drawing;
#endregion
namespace CodeImp.DoomBuilder.BuilderModes
{
[EditMode(DisplayName = "Vertices Mode",
SwitchAction = "verticesmode", // Action name used to switch to this mode
ButtonImage = "VerticesMode.png", // Image resource name for the button
ButtonOrder = int.MinValue, // Position of the button (lower is more to the left)
ButtonGroup = "000_editing",
UseByDefault = true,
SafeStartMode = true)]
public class VerticesMode : BaseClassicMode
{
#region ================== Constants
#endregion
#region ================== Variables
// Highlighted item
private Vertex highlighted;
private Vector2D insertpreview = new Vector2D(float.NaN, float.NaN); //mxd
// Interface
new private bool editpressed;
// The blockmap makes is used to make finding lines faster
BlockMap<BlockEntry> blockmap;
// Vertices that will be edited
ICollection<Vertex> editvertices;
#endregion
#region ================== Properties
public override object HighlightedObject { get { return highlighted; } }
public override bool AlwaysShowVertices { get { return true; } }
#endregion
#region ================== Constructor / Disposer
#endregion
#region ================== Methods
/// <summary>
/// Create a blockmap containing linedefs. This is used to speed up determining the closest line
/// to the mouse cursor
/// </summary>
private void CreateBlockmap()
{
RectangleF area = MapSet.CreateArea(General.Map.Map.Vertices);
blockmap = new BlockMap<BlockEntry>(area);
blockmap.AddLinedefsSet(General.Map.Map.Linedefs);
}
public override void OnHelp()
{
General.ShowHelp("e_vertices.html");
}
// Cancel mode
public override void OnCancel()
{
base.OnCancel();
// Return to this mode
General.Editing.ChangeMode(new VerticesMode());
}
// Mode engages
public override void OnEngage()
{
base.OnEngage();
renderer.SetPresentation(Presentation.Standard);
// Add toolbar buttons
if(General.Map.UDMF)
{
General.Interface.BeginToolbarUpdate(); //mxd
General.Interface.AddButton(BuilderPlug.Me.MenusForm.CopyProperties);
General.Interface.AddButton(BuilderPlug.Me.MenusForm.PasteProperties);
General.Interface.AddButton(BuilderPlug.Me.MenusForm.PastePropertiesOptions); //mxd
General.Interface.AddButton(BuilderPlug.Me.MenusForm.TextureOffsetLock, ToolbarSection.Geometry); //mxd
General.Interface.AddButton(BuilderPlug.Me.MenusForm.TextureOffset3DFloorLock, ToolbarSection.Geometry);
General.Interface.EndToolbarUpdate(); //mxd
}
// Create the blockmap
CreateBlockmap();
// Convert geometry selection to vertices only
General.Map.Map.ConvertSelection(SelectionType.Vertices);
UpdateSelectionInfo(); //mxd
}
// Mode disengages
public override void OnDisengage()
{
base.OnDisengage();
// Remove toolbar buttons
General.Interface.BeginToolbarUpdate();
General.Interface.RemoveButton(BuilderPlug.Me.MenusForm.CopyProperties);
General.Interface.RemoveButton(BuilderPlug.Me.MenusForm.PasteProperties);
General.Interface.RemoveButton(BuilderPlug.Me.MenusForm.PastePropertiesOptions); //mxd
General.Interface.RemoveButton(BuilderPlug.Me.MenusForm.TextureOffsetLock); //mxd
General.Interface.RemoveButton(BuilderPlug.Me.MenusForm.TextureOffset3DFloorLock);
General.Interface.EndToolbarUpdate();
// Going to EditSelectionMode?
EditSelectionMode mode = General.Editing.NewMode as EditSelectionMode;
if(mode != null)
{
// Not pasting anything?
if(!mode.Pasting)
{
// No selection made? But we have a highlight!
if((General.Map.Map.GetSelectedVertices(true).Count == 0) && (highlighted != null))
{
// Make the highlight the selection
highlighted.Selected = true;
}
}
}
// Hide highlight info
General.Interface.HideInfo();
}
// This redraws the display
public override void OnRedrawDisplay()
{
renderer.RedrawSurface();
// Render lines and vertices
if(renderer.StartPlotter(true))
{
renderer.PlotLinedefSet(General.Map.Map.Linedefs);
renderer.PlotVerticesSet(General.Map.Map.Vertices);
if((highlighted != null) && !highlighted.IsDisposed)
renderer.PlotVertex(highlighted, ColorCollection.HIGHLIGHT);
renderer.Finish();
}
// Render things
if(renderer.StartThings(true))
{
renderer.RenderThingSet(General.Map.ThingsFilter.HiddenThings, General.Settings.HiddenThingsAlpha);
renderer.RenderThingSet(General.Map.ThingsFilter.VisibleThings, General.Settings.ActiveThingsAlpha);
renderer.Finish();
}
// Render selection
if(selecting && renderer.StartOverlay(true))
{
RenderMultiSelection();
renderer.Finish();
}
renderer.Present();
}
// This highlights a new item
private void Highlight(Vertex v)
{
// Update display
if(renderer.StartPlotter(false))
{
// Undraw previous highlight
if(highlighted != null && !highlighted.IsDisposed)
renderer.PlotVertex(highlighted, renderer.DetermineVertexColor(highlighted));
// Set new highlight
highlighted = v;
// Render highlighted item
if(highlighted != null && !highlighted.IsDisposed)
renderer.PlotVertex(highlighted, ColorCollection.HIGHLIGHT);
// Done
renderer.Finish();
renderer.Present();
}
// Show highlight info
if((highlighted != null) && !highlighted.IsDisposed)
General.Interface.ShowVertexInfo(highlighted);
else
General.Interface.HideInfo();
}
// Selection
protected override void OnSelectBegin()
{
// Item highlighted?
if((highlighted != null) && !highlighted.IsDisposed)
{
// Redraw highlight to show selection
if(renderer.StartPlotter(false))
{
renderer.PlotVertex(highlighted, renderer.DetermineVertexColor(highlighted));
renderer.Finish();
renderer.Present();
}
}
base.OnSelectBegin();
}
// End selection
protected override void OnSelectEnd()
{
// Not stopping from multiselection?
if(!selecting)
{
// Item highlighted?
if((highlighted != null) && !highlighted.IsDisposed)
{
//mxd. Flip selection
highlighted.Selected = !highlighted.Selected;
// Render highlighted item
if(renderer.StartPlotter(false))
{
renderer.PlotVertex(highlighted, ColorCollection.HIGHLIGHT);
renderer.Finish();
renderer.Present();
}
}
else if(BuilderPlug.Me.AutoClearSelection && General.Map.Map.SelectedVerticessCount > 0)
{
//mxd
General.Map.Map.ClearSelectedVertices();
General.Interface.RedrawDisplay();
}
//mxd
UpdateSelectionInfo();
}
base.OnSelectEnd();
}
// Start editing
protected override void OnEditBegin()
{
bool snaptogrid = General.Interface.ShiftState ^ General.Interface.SnapToGrid;
bool snaptonearest = General.Interface.CtrlState ^ General.Interface.AutoMerge;
// Vertex highlighted?
if((highlighted != null) && !highlighted.IsDisposed)
{
// Edit pressed in this mode
editpressed = true;
// We use the marks to determine what to edit/drag, so clear it first
General.Map.Map.ClearMarkedVertices(false);
// Highlighted item not selected?
if(!highlighted.Selected)
{
// Make this the only selection
General.Map.Map.ClearSelectedVertices();
editvertices = new List<Vertex> { highlighted };
UpdateSelectionInfo(); //mxd
General.Interface.RedrawDisplay();
}
else
{
editvertices = General.Map.Map.GetSelectedVertices(true);
}
// Update display
if(renderer.StartPlotter(false))
{
// Redraw highlight to show selection
renderer.PlotVertex(highlighted, ColorCollection.HIGHLIGHT);
renderer.Finish();
renderer.Present();
}
}
else if(!selecting) //mxd. We don't want to do this stuff while multiselecting
{
// Find the nearest linedef within highlight range
Linedef l = General.Map.Map.NearestLinedefRange(mousemappos, BuilderPlug.Me.SplitLinedefsRange / renderer.Scale);
if(l != null)
{
// Create undo
General.Map.UndoRedo.CreateUndo("Split linedef");
Vector2D insertpos;
// Snip to grid also?
if(snaptogrid)
{
// Find all points where the grid intersects the line
List<Vector2D> points = l.GetGridIntersections(General.Map.Grid.GridRotate, General.Map.Grid.GridOriginX, General.Map.Grid.GridOriginY);
insertpos = mousemappos;
double distance = double.MaxValue;
foreach(Vector2D p in points)
{
double pdist = Vector2D.DistanceSq(p, mousemappos);
if(pdist < distance)
{
insertpos = p;
distance = pdist;
}
}
}
else
{
// Just use the nearest point on line
insertpos = l.NearestOnLine(mousemappos);
}
// Make the vertex
Vertex v = General.Map.Map.CreateVertex(insertpos);
if(v == null)
{
General.Map.UndoRedo.WithdrawUndo();
return;
}
// Snap to map format accuracy
v.SnapToAccuracy();
// Split the line with this vertex
Linedef sld = l.Split(v);
if(sld == null)
{
General.Map.UndoRedo.WithdrawUndo();
return;
}
//BuilderPlug.Me.AdjustSplitCoordinates(l, sld);
// Create the blockmap
CreateBlockmap();
// Update
General.Map.Map.Update();
// Highlight it
Highlight(v);
// Redraw display
General.Interface.RedrawDisplay();
}
else if(BuilderPlug.Me.AutoDrawOnEdit)
{
// Start drawing mode
DrawGeometryMode drawmode = new DrawGeometryMode();
DrawnVertex v = DrawGeometryMode.GetCurrentPosition(mousemappos, snaptonearest, snaptogrid, false, false, renderer, new List<DrawnVertex>());
if(drawmode.DrawPointAt(v))
General.Editing.ChangeMode(drawmode);
else
General.Interface.DisplayStatus(StatusType.Warning, "Failed to draw point: outside of map boundaries.");
}
}
base.OnEditBegin();
}
// Done editing
protected override void OnEditEnd()
{
// Edit pressed in this mode?
if(editpressed)
{
if(editvertices?.Count > 0)
{
if(General.Interface.IsActiveWindow)
{
//mxd. Show realtime vertex edit dialog
General.Interface.OnEditFormValuesChanged += vertexEditForm_OnValuesChanged;
DialogResult result = General.Interface.ShowEditVertices(editvertices);
General.Interface.OnEditFormValuesChanged -= vertexEditForm_OnValuesChanged;
// Update entire display
UpdateSelectionInfo(); //mxd
General.Interface.RedrawDisplay();
}
}
}
editpressed = false;
base.OnEditEnd();
}
//mxd
private void vertexEditForm_OnValuesChanged(object sender, EventArgs e)
{
// Update entire display
General.Map.Map.Update();
General.Interface.RedrawDisplay();
}
// Mouse moves
public override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if(panning) return; //mxd. Skip all this jazz while panning
//mxd
if(selectpressed && !editpressed && !selecting)
{
// Check if moved enough pixels for multiselect
Vector2D delta = mousedownpos - mousepos;
if((Math.Abs(delta.x) > BuilderPlug.Me.MouseSelectionThreshold) ||
(Math.Abs(delta.y) > BuilderPlug.Me.MouseSelectionThreshold))
{
// Start multiselecting
StartMultiSelection();
}
}
else if(paintselectpressed && !editpressed && !selecting) //mxd. Drag-select
{
// Find the nearest thing within highlight range
Vertex v = General.Map.Map.NearestVertexSquareRange(mousemappos, BuilderPlug.Me.HighlightRange / renderer.Scale);
if(v != null)
{
if(v != highlighted)
{
//toggle selected state
if(General.Interface.ShiftState ^ BuilderPlug.Me.AdditivePaintSelect)
v.Selected = true;
else if(General.Interface.CtrlState)
v.Selected = false;
else
v.Selected = !v.Selected;
highlighted = v;
UpdateSelectionInfo(); //mxd
// Update entire display
General.Interface.RedrawDisplay();
}
}
else if(highlighted != null)
{
highlighted = null;
Highlight(null);
// Update entire display
General.Interface.RedrawDisplay();
}
}
else if(e.Button == MouseButtons.None) // Not holding any buttons?
{
//mxd. Render insert vertex preview
Linedef l = General.Map.Map.NearestLinedefRange(mousemappos, BuilderPlug.Me.SplitLinedefsRange / renderer.Scale);
if(l != null)
{
// Snip to grid?
if(General.Interface.ShiftState ^ General.Interface.SnapToGrid)
{
// Find all points where the grid intersects the line
List<Vector2D> points = l.GetGridIntersections(General.Map.Grid.GridRotate, General.Map.Grid.GridOriginX, General.Map.Grid.GridOriginY);
if(points.Count == 0)
{
insertpreview = l.NearestOnLine(mousemappos);
}
else
{
insertpreview = mousemappos;
double distance = double.MaxValue;
foreach(Vector2D p in points)
{
double pdist = Vector2D.DistanceSq(p, mousemappos);
if(pdist < distance)
{
insertpreview = p;
distance = pdist;
}
}
}
}
else
{
// Just use the nearest point on line
insertpreview = l.NearestOnLine(mousemappos);
}
//render preview
if(renderer.StartOverlay(true))
{
double dist = Math.Min(Vector2D.Distance(mousemappos, insertpreview), BuilderPlug.Me.SplitLinedefsRange);
byte alpha = (byte)(255 - (dist / BuilderPlug.Me.SplitLinedefsRange) * 128);
float vsize = (renderer.VertexSize + 1.0f) / renderer.Scale;
renderer.RenderRectangleFilled(new RectangleF((float)(insertpreview.x - vsize), (float)(insertpreview.y - vsize), vsize * 2.0f, vsize * 2.0f), General.Colors.InfoLine.WithAlpha(alpha), true);
renderer.Finish();
renderer.Present();
}
}
else if(insertpreview.IsFinite())
{
insertpreview.x = float.NaN;
//undraw preveiw
if(renderer.StartOverlay(true))
{
renderer.Finish();
renderer.Present();
}
}
// Find the nearest vertex within highlight range
Vertex v = General.Map.Map.NearestVertexSquareRange(mousemappos, BuilderPlug.Me.HighlightRange / renderer.Scale);
// Highlight if not the same
if(v != highlighted) Highlight(v);
}
}
// Mouse leaves
public override void OnMouseLeave(EventArgs e)
{
base.OnMouseLeave(e);
// Highlight nothing
Highlight(null);
}
public override void OnUndoEnd()
{
base.OnUndoEnd();
// Recreate the blockmap
CreateBlockmap();
// Select changed map elements
if (BuilderPlug.Me.SelectChangedafterUndoRedo)
{
General.Map.Map.SelectMarkedGeometry(true, true);
General.Map.Map.ConvertSelection(SelectionType.Vertices);
}
}
public override void OnRedoEnd()
{
base.OnRedoEnd();
// Recreate the blockmap
CreateBlockmap();
// Select changed map elements
if (BuilderPlug.Me.SelectChangedafterUndoRedo)
{
General.Map.Map.SelectMarkedGeometry(true, true);
General.Map.Map.ConvertSelection(SelectionType.Vertices);
}
}
public override void OnScriptRunEnd()
{
base.OnScriptRunEnd();
CreateBlockmap();
General.Interface.RedrawDisplay();
}
//mxd
protected override void BeginViewPan()
{
if(insertpreview.IsFinite())
{
insertpreview.x = float.NaN;
//undraw preveiw
if(renderer.StartOverlay(true))
{
renderer.Finish();
renderer.Present();
}
}
base.BeginViewPan();
}
//mxd
protected override void OnPaintSelectBegin()
{
highlighted = null;
base.OnPaintSelectBegin();
}
// Mouse wants to drag
protected override void OnDragStart(MouseEventArgs e)
{
base.OnDragStart(e);
// Edit button used?
if(General.Actions.CheckActionActive(null, "classicedit"))
{
// Anything highlighted?
if((highlighted != null) && !highlighted.IsDisposed)
{
ICollection<Vertex> dragvertices;
// Highlighted item not selected?
if(!highlighted.Selected)
{
// Select only this vertex for dragging
General.Map.Map.ClearSelectedVertices();
dragvertices = new List<Vertex> { highlighted };
}
else
{
// Add all selected vertices to the vertices we want to drag
dragvertices = General.Map.Map.GetSelectedVertices(true);
}
// Start dragging the selection
if(!BuilderPlug.Me.DontMoveGeometryOutsideMapBoundary || CanDrag()) //mxd
General.Editing.ChangeMode(new DragVerticesMode(mousedownmappos, dragvertices));
}
}
}
//mxd. Check if any selected vertex is outside of map boundary
private static bool CanDrag()
{
ICollection<Vertex> selectedverts = General.Map.Map.GetSelectedVertices(true);
int unaffectedCount = 0;
foreach(Vertex v in selectedverts)
{
// Make sure the vertex is inside the map boundary
if(v.Position.x < General.Map.Config.LeftBoundary || v.Position.x > General.Map.Config.RightBoundary
|| v.Position.y > General.Map.Config.TopBoundary || v.Position.y < General.Map.Config.BottomBoundary)
{
v.Selected = false;
unaffectedCount++;
}
}
if(unaffectedCount == selectedverts.Count)
{
General.Interface.DisplayStatus(StatusType.Warning, "Unable to drag selection: " + (selectedverts.Count == 1 ? "selected vertex is" : "all of selected vertices are") + " outside of map boundary!");
General.Interface.RedrawDisplay();
return false;
}
if(unaffectedCount > 0)
General.Interface.DisplayStatus(StatusType.Warning, unaffectedCount + " of selected vertices " + (unaffectedCount == 1 ? "is" : "are") + " outside of map boundary!");
return true;
}
// This is called wheh selection ends
protected override void OnEndMultiSelection()
{
bool selectionvolume = ((Math.Abs(selectionrect.Width) > 0.1f) && (Math.Abs(selectionrect.Height) > 0.1f));
if(selectionvolume)
{
//mxd
switch(marqueSelectionMode)
{
case MarqueSelectionMode.SELECT:
foreach(Vertex v in General.Map.Map.Vertices)
v.Selected = selectionrect.Contains((float)v.Position.x, (float)v.Position.y);
break;
case MarqueSelectionMode.ADD:
foreach(Vertex v in General.Map.Map.Vertices)
v.Selected |= selectionrect.Contains((float)v.Position.x, (float)v.Position.y);
break;
case MarqueSelectionMode.SUBTRACT:
foreach(Vertex v in General.Map.Map.Vertices)
if(selectionrect.Contains((float)v.Position.x, (float)v.Position.y)) v.Selected = false;
break;
default: //should be Intersect
foreach(Vertex v in General.Map.Map.Vertices)
if(!selectionrect.Contains((float)v.Position.x, (float)v.Position.y)) v.Selected = false;
break;
}
//mxd
UpdateSelectionInfo();
}
base.OnEndMultiSelection();
// Clear overlay
if(renderer.StartOverlay(true)) renderer.Finish();
// Redraw
General.Interface.RedrawDisplay();
}
// This is called when the selection is updated
protected override void OnUpdateMultiSelection()
{
base.OnUpdateMultiSelection();
// Render selection
if(renderer.StartOverlay(true))
{
RenderMultiSelection();
renderer.Finish();
renderer.Present();
}
}
// When copying
public override bool OnCopyBegin()
{
// No selection made? But we have a highlight!
if((General.Map.Map.GetSelectedVertices(true).Count == 0) && (highlighted != null))
{
// Make the highlight the selection
highlighted.Selected = true;
//mxd. Actually, we want it marked, not selected
bool result = base.OnCopyBegin();
highlighted.Selected = false;
return result;
}
return base.OnCopyBegin();
}
/// <summary>
/// If map elements have changed the blockmap needs to be recreated.
/// </summary>
public override void OnMapElementsChanged()
{
base.OnMapElementsChanged();
CreateBlockmap();
}
#endregion
#region ================== Actions
// This copies the properties
[BeginAction("classiccopyproperties")]
public void CopyProperties()
{
// Determine source vertices
ICollection<Vertex> sel = null;
if(General.Map.Map.SelectedVerticessCount > 0) sel = General.Map.Map.GetSelectedVertices(true);
else if(highlighted != null) sel = new List<Vertex> { highlighted };
if(sel != null)
{
// Copy properties from first source vertex
BuilderPlug.Me.CopiedVertexProps = new VertexProperties(General.GetByIndex(sel, 0));
General.Interface.DisplayStatus(StatusType.Action, "Copied vertex properties.");
}
else
{
//mxd
General.Interface.DisplayStatus(StatusType.Warning, "This action requires highlight or selection!");
}
}
// This pastes the properties
[BeginAction("classicpasteproperties")]
public void PasteProperties()
{
if(BuilderPlug.Me.CopiedVertexProps != null)
{
// Determine target vertices
ICollection<Vertex> sel = null;
if(General.Map.Map.SelectedVerticessCount > 0) sel = General.Map.Map.GetSelectedVertices(true);
else if(highlighted != null) sel = new List<Vertex> { highlighted };
if(sel != null)
{
// Apply properties to selection
string rest = (sel.Count == 1 ? "a single vertex" : sel.Count + " vertices"); //mxd
General.Map.UndoRedo.CreateUndo("Paste properties to " + rest);
BuilderPlug.Me.CopiedVertexProps.Apply(sel, false);
General.Interface.DisplayStatus(StatusType.Action, "Pasted properties to " + rest + ".");
// Update and redraw
General.Map.IsChanged = true;
General.Interface.RefreshInfo();
General.Interface.RedrawDisplay();
}
else
{
//mxd
General.Interface.DisplayStatus(StatusType.Warning, "This action requires highlight or selection!");
}
}
else
{
//mxd
General.Interface.DisplayStatus(StatusType.Warning, "Copy vertex properties first!");
}
}
//mxd. This pastes the properties with options
[BeginAction("classicpastepropertieswithoptions")]
public void PastePropertiesWithOptions()
{
if(BuilderPlug.Me.CopiedVertexProps != null)
{
// Determine target vertices
ICollection<Vertex> sel = null;
if(General.Map.Map.SelectedVerticessCount > 0) sel = General.Map.Map.GetSelectedVertices(true);
else if(highlighted != null) sel = new List<Vertex> { highlighted };
if(sel != null)
{
PastePropertiesOptionsForm form = new PastePropertiesOptionsForm();
if(form.Setup(MapElementType.VERTEX) && form.ShowDialog(General.Interface) == DialogResult.OK)
{
// Apply properties to selection
string rest = (sel.Count == 1 ? "a single vertex" : sel.Count + " vertices");
General.Map.UndoRedo.CreateUndo("Paste properties with options to " + rest);
BuilderPlug.Me.CopiedVertexProps.Apply(sel, true);
General.Interface.DisplayStatus(StatusType.Action, "Pasted properties with options to " + rest + ".");
// Update and redraw
General.Map.IsChanged = true;
General.Interface.RefreshInfo();
General.Interface.RedrawDisplay();
}
}
else
{
General.Interface.DisplayStatus(StatusType.Warning, "This action requires highlight or selection!");
}
}
else
{
General.Interface.DisplayStatus(StatusType.Warning, "Copy vertex properties first!");
}
}
// This clears the selection
[BeginAction("clearselection", BaseAction = true)]
public void ClearSelection()
{
// Clear selection
General.Map.Map.ClearAllSelected();
//mxd. Clear selection info
General.Interface.DisplayStatus(StatusType.Selection, string.Empty);
// Redraw
General.Interface.RedrawDisplay();
}
// This creates a new vertex at the mouse position
[BeginAction("insertitem", BaseAction = true)]
private void InsertVertex()
{
bool snaptogrid = General.Interface.ShiftState ^ General.Interface.SnapToGrid;
bool snaptonearest = General.Interface.CtrlState ^ General.Interface.AutoMerge;
// Mouse in window?
if(General.Interface.MouseInDisplay)
{
Vector2D insertpos;
// Create undo
General.Map.UndoRedo.CreateUndo("Insert vertex");
// Snap to geometry?
Linedef l = General.Map.Map.NearestLinedefRange(mousemappos, BuilderPlug.Me.SplitLinedefsRange / renderer.Scale);
if(snaptonearest && (l != null))
{
// Snip to grid also?
if(snaptogrid)
{
// Find all points where the grid intersects the line
List<Vector2D> points = l.GetGridIntersections(General.Map.Grid.GridRotate, General.Map.Grid.GridOriginX, General.Map.Grid.GridOriginY);
if (points.Count == 0)
{
//mxd. Just use the nearest point on line
insertpos = l.NearestOnLine(mousemappos);
}
else
{
insertpos = mousemappos;
double distance = double.MaxValue;
foreach(Vector2D p in points)
{
double pdist = Vector2D.DistanceSq(p, mousemappos);
if(pdist < distance)
{
insertpos = p;
distance = pdist;
}
}
}
}
else
{
// Just use the nearest point on line
insertpos = l.NearestOnLine(mousemappos);
}
}
// Snap to grid?
else if(snaptogrid)
{
// Snap to grid
insertpos = General.Map.Grid.SnappedToGrid(mousemappos);
}
else
{
// Just insert here, don't snap to anything
insertpos = mousemappos;
}
// Make the vertex
Vertex v = General.Map.Map.CreateVertex(insertpos);
if(v == null)
{
General.Map.UndoRedo.WithdrawUndo();
return;
}
// Snap to map format accuracy
v.SnapToAccuracy();
// Split the line with this vertex
if(snaptonearest)
{
//mxd. Check if snapped vertex is still on top of a linedef
l = MapSet.NearestLinedefRange(blockmap, v.Position, BuilderPlug.Me.SplitLinedefsRange / renderer.Scale);
if(l != null)
{
//mxd
if(v.Position == l.Start.Position || v.Position == l.End.Position)
{
General.Interface.DisplayStatus(StatusType.Info, "There's already a vertex here.");
General.Map.UndoRedo.WithdrawUndo();
return;
}
General.Interface.DisplayStatus(StatusType.Action, "Split a linedef.");
Linedef sld = l.Split(v);
if(sld == null)
{
General.Map.UndoRedo.WithdrawUndo();
return;
}
//BuilderPlug.Me.AdjustSplitCoordinates(l, sld);
}
}
else
{
General.Interface.DisplayStatus(StatusType.Action, "Inserted a vertex.");
}
// Create the blockmap
CreateBlockmap();
// Update
General.Map.Map.Update();
// Redraw screen
General.Interface.RedrawDisplay();
}
}
[BeginAction("deleteitem", BaseAction = true)]
public void DeleteItem()
{
// Make list of selected vertices
ICollection<Vertex> selected = General.Map.Map.GetSelectedVertices(true);
if((selected.Count == 0) && (highlighted != null) && !highlighted.IsDisposed) selected.Add(highlighted);
if(selected.Count == 0) return;
// Make undo
if(selected.Count > 1)
{
General.Map.UndoRedo.CreateUndo("Delete " + selected.Count + " vertices");
General.Interface.DisplayStatus(StatusType.Action, "Deleted " + selected.Count + " vertices.");
}
else
{
General.Map.UndoRedo.CreateUndo("Delete vertex");
General.Interface.DisplayStatus(StatusType.Action, "Deleted a vertex.");
}
// Go for all vertices that need to be removed
foreach(Vertex v in selected)
{
// Not already removed automatically?
if(!v.IsDisposed)
{
// If the vertex only has 2 linedefs attached, then merge the linedefs
if(v.Linedefs.Count == 2)
{
Linedef ld1 = General.GetByIndex(v.Linedefs, 0);
Linedef ld2 = General.GetByIndex(v.Linedefs, 1);
Vertex v2 = (ld2.Start == v) ? ld2.End : ld2.Start;
if(ld1.Start == v) ld1.SetStartVertex(v2); else ld1.SetEndVertex(v2);
ld2.Dispose();
}
// Trash vertex
v.Dispose();
}
}
// Update cache values
General.Map.IsChanged = true;
General.Map.Map.Update();
// Create the blockmap
CreateBlockmap();
// Invoke a new mousemove so that the highlighted item updates
MouseEventArgs e = new MouseEventArgs(MouseButtons.None, 0, (int)mousepos.x, (int)mousepos.y, 0);
OnMouseMove(e);
// Redraw screen
UpdateSelectionInfo(); //mxd
General.Map.Renderer2D.UpdateExtraFloorFlag(); //mxd
General.Interface.RedrawDisplay();
}
[BeginAction("dissolveitem", BaseAction = true)] //mxd
public void DissolveItem()
{
// Make list of selected vertices
ICollection<Vertex> selected = General.Map.Map.GetSelectedVertices(true);
if(selected.Count == 0)
{
if(highlighted == null || highlighted.IsDisposed) return;
selected.Add(highlighted);
}
// Make undo
if(selected.Count > 1)
{
General.Map.UndoRedo.CreateUndo("Dissolve " + selected.Count + " vertices");
General.Interface.DisplayStatus(StatusType.Action, "Dissolved " + selected.Count + " vertices.");
}
else
{
General.Map.UndoRedo.CreateUndo("Dissolve vertex");
General.Interface.DisplayStatus(StatusType.Action, "Dissolved a vertex.");
}
//collect linedefs count per vertex
Dictionary<Vertex, int> linesPerVertex = new Dictionary<Vertex, int>();
foreach(Vertex v in selected)
{
linesPerVertex.Add(v, v.Linedefs.Count);
}
// Go for all vertices that need to be removed
foreach(Vertex v in selected)
{
// Not already removed automatically?
if(!v.IsDisposed)
{
// If the vertex only had 2 linedefs attached, then merge the linedefs
if(linesPerVertex[v] == 2)
{
Linedef ld1 = General.GetByIndex(v.Linedefs, 0);
Linedef ld2 = General.GetByIndex(v.Linedefs, 1);
Vertex v1 = (ld1.Start == v) ? ld1.End : ld1.Start;
Vertex v2 = (ld2.Start == v) ? ld2.End : ld2.Start;
//don't merge if it will collapse 3-sided sector
bool dontMerge = false;
foreach(Linedef l in v1.Linedefs)
{
if(l == ld2) continue;
if(l.Start == v2 || l.End == v2)
{
TryJoinSectors(l);
dontMerge = true;
break;
}
}
if(!dontMerge) MergeLines(selected, ld1, ld2, v);
}
// Trash vertex
v.Dispose();
}
}
// Update cache values
General.Map.Map.Update();
General.Map.IsChanged = true;
// Create the blockmap
CreateBlockmap();
// Invoke a new mousemove so that the highlighted item updates
MouseEventArgs e = new MouseEventArgs(MouseButtons.None, 0, (int)mousepos.x, (int)mousepos.y, 0);
OnMouseMove(e);
// Redraw screen
UpdateSelectionInfo(); //mxd
General.Map.Renderer2D.UpdateExtraFloorFlag(); //mxd
General.Interface.RedrawDisplay();
}
[BeginAction("placethings")] //mxd
public void PlaceThings()
{
// Make list of selected vertices
ICollection<Vertex> selected = General.Map.Map.GetSelectedVertices(true);
if(selected.Count == 0)
{
if(highlighted != null && !highlighted.IsDisposed)
{
selected.Add(highlighted);
}
else
{
General.Interface.DisplayStatus(StatusType.Warning, "This action requires selection of some description!");
return;
}
}
List<Vector2D> positions = new List<Vector2D>(selected.Count);
foreach(Vertex v in selected)
if(!positions.Contains(v.Position)) positions.Add(v.Position);
PlaceThingsAtPositions(positions);
}
//mxd
[BeginAction("selectsimilar")]
public void SelectSimilar()
{
ICollection<Vertex> selection = General.Map.Map.GetSelectedVertices(true);
if(selection.Count == 0)
{
General.Interface.DisplayStatus(StatusType.Warning, "This action requires a selection!");
return;
}
var form = new SelectSimilarElementOptionsPanel();
if(form.Setup(this)) form.ShowDialog(General.Interface);
}
[BeginAction("smartgridtransform", BaseAction = true)]
protected void SmartGridTransform()
{
if (General.Map.Map.SelectedVerticessCount > 1)
{
General.Interface.DisplayStatus(StatusType.Warning, "Either nothing or exactly one vertex must be selected");
General.Interface.MessageBeep(MessageBeepType.Warning);
return;
}
Vertex vertex = null;
if (General.Map.Map.SelectedVerticessCount == 1)
vertex = General.Map.Map.GetSelectedVertices(true).First();
else if (highlighted != null)
vertex = highlighted;
if (vertex != null)
{
General.Map.Grid.SetGridOrigin(vertex.Position.x, vertex.Position.y);
General.Map.GridVisibilityChanged();
General.Interface.RedrawDisplay();
}
else
{
General.Map.Grid.SetGridRotation(0.0);
General.Map.Grid.SetGridOrigin(0, 0);
General.Map.GridVisibilityChanged();
General.Interface.RedrawDisplay();
}
}
[BeginAction("changemapelementindex")]
private void ChangeMapElementIndex()
{
// Make list of selected linedefs
List<Vertex> selected = General.Map.Map.GetSelectedVertices(true).ToList();
if ((selected.Count == 0) && (highlighted != null) && !highlighted.IsDisposed) selected.Add(highlighted);
if (selected.Count != 1)
{
General.ToastManager.ShowToast(ToastMessages.CHANGEMAPELEMENTINDEX, ToastType.WARNING, "Changing vertex index failed", "You need to select or highlight exactly 1 vertex.");
return;
}
ChangeMapElementIndexForm f = new ChangeMapElementIndexForm("vertex", selected[0].Index, General.Map.Map.Vertices.Count - 1);
if (f.ShowDialog() == DialogResult.OK)
{
int newindex = f.GetNewIndex();
int oldindex = selected[0].Index;
General.Map.UndoRedo.CreateUndo("Change vertex index");
selected[0].ChangeIndex(newindex);
General.ToastManager.ShowToast(ToastMessages.CHANGEMAPELEMENTINDEX, ToastType.INFO, "Successfully change vertex index", $"Changed index of vertex {oldindex} to {newindex}.");
}
}
#endregion
#region ================== Action assist (mxd)
//mxd
private static void MergeLines(ICollection<Vertex> selected, Linedef ld1, Linedef ld2, Vertex v)
{
Vertex v1 = (ld1.Start == v) ? ld1.End : ld1.Start;
Vertex v2 = (ld2.Start == v) ? ld2.End : ld2.Start;
if(ld1.Start == v) ld1.SetStartVertex(v2);
else ld1.SetEndVertex(v2);
ld2.Dispose();
bool redraw = true;
if(!v2.IsDisposed && selected.Contains(v2) && v2.Linedefs.Count == 2)
{
Linedef[] lines = new Linedef[2];
v2.Linedefs.CopyTo(lines, 0);
Linedef other = lines[0] == ld2 ? lines[1] :lines[0];
MergeLines(selected, ld1, other, v2);
v2.Dispose();
redraw = false;
}
if(!v1.IsDisposed && selected.Contains(v1) && v1.Linedefs.Count == 2)
{
Linedef[] lines = new Linedef[2];
v1.Linedefs.CopyTo(lines, 0);
Linedef other = lines[0] == ld1 ? lines[1] : lines[0];
MergeLines(selected, other, ld1, v1);
v1.Dispose();
redraw = false;
}
if(redraw && ld1.Start != null && ld1.End != null)
{
Vector2D start = ld1.Start.Position;
Vector2D end = ld1.End.Position;
ld1.Dispose();
DrawLine(start, end);
}
else
{
ld1.Dispose();
}
}
//mxd
private static void DrawLine(Vector2D start, Vector2D end)
{
DrawnVertex dv1 = new DrawnVertex();
DrawnVertex dv2 = new DrawnVertex();
dv1.stitchline = true;
dv2.stitchline = true;
dv1.stitch = true;
dv2.stitch = true;
dv1.pos = start;
dv2.pos = end;
Tools.DrawLines(new List<DrawnVertex> { dv1, dv2 }, false, false);
// Update cache values
General.Map.Map.Update();
General.Map.IsChanged = true;
}
//mxd. If there are different sectors on both sides of given linedef, join them
private static void TryJoinSectors(Linedef ld)
{
if(ld.IsDisposed) return;
if(ld.Front != null && ld.Front.Sector != null && ld.Back != null
&& ld.Back.Sector != null && ld.Front.Sector.Index != ld.Back.Sector.Index)
{
if(ld.Front.Sector.BBox.Width * ld.Front.Sector.BBox.Height > ld.Back.Sector.BBox.Width * ld.Back.Sector.BBox.Height)
ld.Back.Sector.Join(ld.Front.Sector);
else
ld.Front.Sector.Join(ld.Back.Sector);
}
}
#endregion
}
}