UltimateZoneBuilder/Source/Plugins/BuilderModes/ClassicModes/VerticesMode.cs
codeimp 1fc8947d29 - Fixed immediate right-click-drag in Brightness mode
- Fixed potential crash and "ghost thing" left-over after cancelling pasted things
2009-05-09 17:38:59 +00:00

626 lines
16 KiB
C#

#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;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Reflection;
using CodeImp.DoomBuilder.Windows;
using CodeImp.DoomBuilder.IO;
using CodeImp.DoomBuilder.Map;
using CodeImp.DoomBuilder.Rendering;
using CodeImp.DoomBuilder.Geometry;
using CodeImp.DoomBuilder.Editing;
using CodeImp.DoomBuilder.Actions;
#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 + 0, // Position of the button (lower is more to the left)
ButtonGroup = "000_editing",
UseByDefault = true)]
public class VerticesMode : BaseClassicMode
{
#region ================== Constants
public const float VERTEX_HIGHLIGHT_RANGE = 20f;
public const float LINEDEF_SPLIT_RANGE = 12f;
#endregion
#region ================== Variables
// Highlighted item
protected Vertex highlighted;
// Interface
private bool editpressed;
#endregion
#region ================== Properties
#endregion
#region ================== Constructor / Disposer
#endregion
#region ================== Methods
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);
// Convert geometry selection to vertices only
General.Map.Map.ConvertSelection(SelectionType.Vertices);
}
// Mode disengages
public override void OnDisengage()
{
base.OnDisengage();
// Going to EditSelectionMode?
if(General.Editing.NewMode is EditSelectionMode)
{
// 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, Presentation.THINGS_HIDDEN_ALPHA);
renderer.RenderThingSet(General.Map.ThingsFilter.VisibleThings, 1.0f);
renderer.Finish();
}
// Selecting?
if(selecting)
{
// Render selection
if(renderer.StartOverlay(true))
{
RenderMultiSelection();
renderer.Finish();
}
}
renderer.Present();
}
// This highlights a new item
protected 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)
{
// Flip selection
highlighted.Selected = !highlighted.Selected;
// Redraw highlight to show selection
if(renderer.StartPlotter(false))
{
renderer.PlotVertex(highlighted, renderer.DetermineVertexColor(highlighted));
renderer.Finish();
renderer.Present();
}
}
else
{
// Start making a selection
StartMultiSelection();
}
base.OnSelectBegin();
}
// End selection
protected override void OnSelectEnd()
{
// Not stopping from multiselection?
if(!selecting)
{
// Item highlighted?
if((highlighted != null) && !highlighted.IsDisposed)
{
// Render highlighted item
if(renderer.StartPlotter(false))
{
renderer.PlotVertex(highlighted, ColorCollection.HIGHLIGHT);
renderer.Finish();
renderer.Present();
}
}
}
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;
// Highlighted item not selected?
if(!highlighted.Selected)
{
// Make this the only selection
General.Map.Map.ClearSelectedVertices();
highlighted.Selected = true;
General.Interface.RedrawDisplay();
}
// Update display
if(renderer.StartPlotter(false))
{
// Redraw highlight to show selection
renderer.PlotVertex(highlighted, renderer.DetermineVertexColor(highlighted));
renderer.Finish();
renderer.Present();
}
}
else
{
// Find the nearest linedef within highlight range
Linedef l = General.Map.Map.NearestLinedefRange(mousemappos, LINEDEF_SPLIT_RANGE / 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();
insertpos = mousemappos;
float distance = float.MaxValue;
foreach(Vector2D p in points)
{
float 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);
// Snap to map format accuracy
v.SnapToAccuracy();
// Split the line with this vertex
l.Split(v);
// Update
General.Map.Map.Update();
// Highlight it
Highlight(v);
// Redraw display
General.Interface.RedrawDisplay();
}
else
{
// Start drawing mode
DrawGeometryMode drawmode = new DrawGeometryMode();
DrawnVertex v = DrawGeometryMode.GetCurrentPosition(mousemappos, snaptonearest, snaptogrid, renderer, new List<DrawnVertex>());
drawmode.DrawPointAt(v);
General.Editing.ChangeMode(drawmode);
}
}
base.OnEditBegin();
}
// Done editing
protected override void OnEditEnd()
{
// Edit pressed in this mode?
if(editpressed)
{
// Anything selected?
ICollection<Vertex> selected = General.Map.Map.GetSelectedVertices(true);
if(selected.Count > 0)
{
if(General.Interface.IsActiveWindow)
{
// Show line edit dialog
General.Interface.ShowEditVertices(selected);
General.Map.Map.Update();
// When a single vertex was selected, deselect it now
if(selected.Count == 1) General.Map.Map.ClearSelectedVertices();
// Update entire display
General.Interface.RedrawDisplay();
}
}
}
editpressed = false;
base.OnEditEnd();
}
// Mouse moves
public override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
// Not holding any buttons?
if(e.Button == MouseButtons.None)
{
// Find the nearest vertex within highlight range
Vertex v = General.Map.Map.NearestVertexSquareRange(mousemappos, VERTEX_HIGHLIGHT_RANGE / 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);
}
// 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)
{
// Highlighted item not selected?
if(!highlighted.Selected)
{
// Select only this vertex for dragging
General.Map.Map.ClearSelectedVertices();
highlighted.Selected = true;
}
// Start dragging the selection
General.Editing.ChangeMode(new DragVerticesMode(highlighted, mousedownmappos));
}
}
}
// This is called wheh selection ends
protected override void OnEndMultiSelection()
{
if(General.Interface.ShiftState ^ BuilderPlug.Me.AdditiveSelect)
{
// Go for all vertices
foreach(Vertex v in General.Map.Map.Vertices)
{
v.Selected |= ((v.Position.x >= selectionrect.Left) &&
(v.Position.y >= selectionrect.Top) &&
(v.Position.x <= selectionrect.Right) &&
(v.Position.y <= selectionrect.Bottom));
}
}
else
{
// Go for all vertices
foreach(Vertex v in General.Map.Map.Vertices)
{
v.Selected = ((v.Position.x >= selectionrect.Left) &&
(v.Position.y >= selectionrect.Top) &&
(v.Position.x <= selectionrect.Right) &&
(v.Position.y <= selectionrect.Bottom));
}
}
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;
}
return base.OnCopyBegin();
}
#endregion
#region ================== Actions
// This clears the selection
[BeginAction("clearselection", BaseAction = true)]
public void ClearSelection()
{
// Clear selection
General.Map.Map.ClearAllSelected();
// Redraw
General.Interface.RedrawDisplay();
}
// This creates a new vertex at the mouse position
[BeginAction("insertitem", BaseAction = true)]
public virtual void InsertVertexAction() { VerticesMode.InsertVertex(mousemappos, renderer.Scale); }
public static void InsertVertex(Vector2D mousemappos, float rendererscale)
{
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;
Linedef l = null;
// Create undo
General.Map.UndoRedo.CreateUndo("Insert vertex");
// Snap to geometry?
l = General.Map.Map.NearestLinedefRange(mousemappos, LINEDEF_SPLIT_RANGE / rendererscale);
if(snaptonearest && (l != null))
{
// Snip to grid also?
if(snaptogrid)
{
// Find all points where the grid intersects the line
List<Vector2D> points = l.GetGridIntersections();
insertpos = mousemappos;
float distance = float.MaxValue;
foreach(Vector2D p in points)
{
float 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);
// Snap to map format accuracy
v.SnapToAccuracy();
// Split the line with this vertex
if(snaptonearest && (l != null))
{
General.Interface.DisplayStatus(StatusType.Action, "Split a linedef.");
l.Split(v);
}
else
{
General.Interface.DisplayStatus(StatusType.Action, "Inserted a vertex.");
}
// 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);
// Anything to do?
if(selected.Count > 0)
{
// 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 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);
//if(ld2.Start == v) ld2.SetStartVertex(v1); else ld2.SetEndVertex(v1);
//ld1.Join(ld2);
ld2.Dispose();
}
// Trash vertex
v.Dispose();
}
}
// Update cache values
General.Map.IsChanged = true;
General.Map.Map.Update();
// 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
General.Interface.RedrawDisplay();
}
}
#endregion
}
}