mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
synced 2024-12-11 04:41:00 +00:00
387 lines
9.9 KiB
C#
387 lines
9.9 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 System.Drawing;
|
|
using CodeImp.DoomBuilder.Editing;
|
|
|
|
#endregion
|
|
|
|
namespace CodeImp.DoomBuilder.BuilderModes
|
|
{
|
|
// No action or button for this mode, it is automatic.
|
|
// The EditMode attribute does not have to be specified unless the
|
|
// mode must be activated by class name rather than direct instance.
|
|
// In that case, just specifying the attribute like this is enough:
|
|
// [EditMode]
|
|
|
|
[EditMode(DisplayName = "Things",
|
|
Volatile = true)]
|
|
|
|
public sealed class DragThingsMode : BaseClassicMode
|
|
{
|
|
#region ================== Constants
|
|
|
|
#endregion
|
|
|
|
#region ================== Variables
|
|
|
|
// Mode to return to
|
|
private EditMode basemode;
|
|
|
|
// Mouse position on map where dragging started
|
|
private Vector2D dragstartmappos;
|
|
|
|
// Item used as reference for snapping to the grid
|
|
private Thing dragitem;
|
|
private Vector2D dragitemposition;
|
|
|
|
// List of old thing positions
|
|
private List<Vector2D> oldpositions;
|
|
|
|
// List of selected items
|
|
private ICollection<Thing> selectedthings;
|
|
|
|
// List of non-selected items
|
|
private ICollection<Thing> unselectedthings;
|
|
|
|
// Keep track of view changes
|
|
private float lastoffsetx;
|
|
private float lastoffsety;
|
|
private float lastscale;
|
|
|
|
// Options
|
|
private bool snaptogrid; // SHIFT to toggle
|
|
private bool snaptonearest; // CTRL to enable
|
|
|
|
#endregion
|
|
|
|
#region ================== Properties
|
|
|
|
// Just keep the base mode button checked
|
|
public override string EditModeButtonName { get { return basemode.GetType().Name; } }
|
|
|
|
internal EditMode BaseMode { get { return basemode; } }
|
|
|
|
#endregion
|
|
|
|
#region ================== Constructor / Disposer
|
|
|
|
// Constructor to start dragging immediately
|
|
public DragThingsMode(EditMode basemode, Vector2D dragstartmappos)
|
|
{
|
|
// Initialize
|
|
this.dragstartmappos = dragstartmappos;
|
|
this.basemode = basemode;
|
|
|
|
Cursor.Current = Cursors.AppStarting;
|
|
|
|
// Mark what we are dragging
|
|
General.Map.Map.ClearAllMarks(false);
|
|
General.Map.Map.MarkSelectedThings(true, true);
|
|
|
|
// Get selected things
|
|
selectedthings = General.Map.Map.GetMarkedThings(true);
|
|
unselectedthings = new List<Thing>();
|
|
foreach(Thing t in General.Map.ThingsFilter.VisibleThings) if(!t.Marked) unselectedthings.Add(t);
|
|
|
|
// Get the nearest thing for snapping
|
|
dragitem = MapSet.NearestThing(selectedthings, dragstartmappos);
|
|
|
|
// Make old positions list
|
|
// We will use this as reference to move the vertices, or to move them back on cancel
|
|
oldpositions = new List<Vector2D>(selectedthings.Count);
|
|
foreach(Thing t in selectedthings) oldpositions.Add(t.Position);
|
|
|
|
// Also keep old position of the dragged item
|
|
dragitemposition = dragitem.Position;
|
|
|
|
// Keep view information
|
|
lastoffsetx = renderer.OffsetX;
|
|
lastoffsety = renderer.OffsetY;
|
|
lastscale = renderer.Scale;
|
|
|
|
Cursor.Current = Cursors.Default;
|
|
|
|
// We have no destructor
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
|
|
// Disposer
|
|
public override void Dispose()
|
|
{
|
|
// Not already disposed?
|
|
if(!isdisposed)
|
|
{
|
|
// Clean up
|
|
|
|
// Done
|
|
base.Dispose();
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region ================== Methods
|
|
|
|
// This moves the selected things relatively
|
|
// Returns true when things has actually moved
|
|
private bool MoveThingsRelative(Vector2D offset, bool snapgrid, bool snapnearest)
|
|
{
|
|
Vector2D oldpos = dragitem.Position;
|
|
Thing nearest;
|
|
int i = 0;
|
|
|
|
// Snap to nearest?
|
|
if(snapnearest)
|
|
{
|
|
// Find nearest unselected item within selection range
|
|
nearest = MapSet.NearestThingSquareRange(unselectedthings, mousemappos, ThingsMode.THING_HIGHLIGHT_RANGE / renderer.Scale);
|
|
if(nearest != null)
|
|
{
|
|
// Move the dragged item
|
|
dragitem.Move((Vector2D)nearest.Position);
|
|
|
|
// Adjust the offset
|
|
offset = (Vector2D)nearest.Position - dragitemposition;
|
|
|
|
// Do not snap to grid!
|
|
snapgrid = false;
|
|
}
|
|
}
|
|
|
|
// Snap to grid?
|
|
if(snapgrid)
|
|
{
|
|
// Move the dragged item
|
|
dragitem.Move(dragitemposition + offset);
|
|
|
|
// Snap item to grid
|
|
dragitem.SnapToGrid();
|
|
|
|
// Adjust the offset
|
|
offset += (Vector2D)dragitem.Position - (dragitemposition + offset);
|
|
}
|
|
|
|
// Drag item moved?
|
|
if(!snapgrid || ((Vector2D)dragitem.Position != oldpos))
|
|
{
|
|
// Move selected geometry
|
|
foreach(Thing t in selectedthings)
|
|
{
|
|
// Move vertex from old position relative to the
|
|
// mouse position change since drag start
|
|
t.Move(oldpositions[i] + offset);
|
|
|
|
// Next
|
|
i++;
|
|
}
|
|
|
|
// Moved
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
// No changes
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// This redraws the display
|
|
public override void OnRedrawDisplay()
|
|
{
|
|
bool viewchanged = CheckViewChanged();
|
|
|
|
if(viewchanged)
|
|
{
|
|
renderer.RedrawSurface();
|
|
|
|
// Render lines and vertices
|
|
if(renderer.StartPlotter(true))
|
|
{
|
|
renderer.PlotLinedefSet(General.Map.Map.Linedefs);
|
|
renderer.PlotVerticesSet(General.Map.Map.Vertices);
|
|
renderer.Finish();
|
|
}
|
|
}
|
|
|
|
// Render things
|
|
if(renderer.StartThings(true))
|
|
{
|
|
// Render things
|
|
renderer.RenderThingSet(General.Map.ThingsFilter.HiddenThings, Presentation.THINGS_HIDDEN_ALPHA);
|
|
renderer.RenderThingSet(unselectedthings, 1.0f);
|
|
renderer.RenderThingSet(selectedthings, 1.0f);
|
|
|
|
// Draw the dragged item highlighted
|
|
// This is important to know, because this item is used
|
|
// for snapping to the grid and snapping to nearest items
|
|
renderer.RenderThing(dragitem, General.Colors.Highlight, 1.0f);
|
|
|
|
// Done
|
|
renderer.Finish();
|
|
}
|
|
|
|
renderer.Present();
|
|
}
|
|
|
|
// Cancelled
|
|
public override void OnCancel()
|
|
{
|
|
// Move geometry back to original position
|
|
MoveThingsRelative(new Vector2D(0f, 0f), false, false);
|
|
|
|
// If only a single vertex was selected, deselect it now
|
|
if(selectedthings.Count == 1) General.Map.Map.ClearSelectedThings();
|
|
|
|
// Update cached values
|
|
General.Map.Map.Update();
|
|
|
|
// Cancel base class
|
|
base.OnCancel();
|
|
|
|
// Return to vertices mode
|
|
General.Editing.ChangeMode(basemode);
|
|
}
|
|
|
|
// Mode engages
|
|
public override void OnEngage()
|
|
{
|
|
base.OnEngage();
|
|
renderer.SetPresentation(Presentation.Things);
|
|
}
|
|
|
|
// Disenagaging
|
|
public override void OnDisengage()
|
|
{
|
|
base.OnDisengage();
|
|
Cursor.Current = Cursors.AppStarting;
|
|
|
|
// When not cancelled
|
|
if(!cancelled)
|
|
{
|
|
// Move geometry back to original position
|
|
MoveThingsRelative(new Vector2D(0f, 0f), false, false);
|
|
|
|
// Make undo for the dragging
|
|
General.Map.UndoRedo.CreateUndo("Drag things");
|
|
|
|
// Move selected geometry to final position
|
|
MoveThingsRelative(mousemappos - dragstartmappos, snaptogrid, snaptonearest);
|
|
|
|
// Snap to map format accuracy
|
|
General.Map.Map.SnapAllToAccuracy();
|
|
|
|
// Update cached values
|
|
General.Map.Map.Update(false, false);
|
|
|
|
// Map is changed
|
|
General.Map.IsChanged = true;
|
|
}
|
|
|
|
// Hide highlight info
|
|
General.Interface.HideInfo();
|
|
|
|
// Done
|
|
Cursor.Current = Cursors.Default;
|
|
}
|
|
|
|
// This checks if the view offset/zoom changed and updates the check
|
|
private bool CheckViewChanged()
|
|
{
|
|
bool viewchanged = false;
|
|
|
|
// View changed?
|
|
if(renderer.OffsetX != lastoffsetx) viewchanged = true;
|
|
if(renderer.OffsetY != lastoffsety) viewchanged = true;
|
|
if(renderer.Scale != lastscale) viewchanged = true;
|
|
|
|
// Keep view information
|
|
lastoffsetx = renderer.OffsetX;
|
|
lastoffsety = renderer.OffsetY;
|
|
lastscale = renderer.Scale;
|
|
|
|
// Return result
|
|
return viewchanged;
|
|
}
|
|
|
|
// This updates the dragging
|
|
private void Update()
|
|
{
|
|
snaptogrid = General.Interface.ShiftState ^ General.Interface.SnapToGrid;
|
|
snaptonearest = General.Interface.CtrlState;
|
|
|
|
// Move selected geometry
|
|
if(MoveThingsRelative(mousemappos - dragstartmappos, snaptogrid, snaptonearest))
|
|
{
|
|
// Update cached values
|
|
//General.Map.Map.Update(true, false);
|
|
General.Map.Map.Update();
|
|
|
|
// Redraw
|
|
General.Interface.RedrawDisplay();
|
|
}
|
|
}
|
|
|
|
// When edit button is released
|
|
protected override void OnEditEnd()
|
|
{
|
|
// Just return to vertices mode, geometry will be merged on disengage.
|
|
General.Editing.ChangeMode(basemode);
|
|
|
|
base.OnEditEnd();
|
|
}
|
|
|
|
// Mouse moving
|
|
public override void OnMouseMove(MouseEventArgs e)
|
|
{
|
|
base.OnMouseMove(e);
|
|
Update();
|
|
}
|
|
|
|
// When a key is released
|
|
public override void OnKeyUp(KeyEventArgs e)
|
|
{
|
|
base.OnKeyUp(e);
|
|
if(snaptogrid != General.Interface.ShiftState ^ General.Interface.SnapToGrid) Update();
|
|
if(snaptonearest != General.Interface.CtrlState) Update();
|
|
}
|
|
|
|
// When a key is pressed
|
|
public override void OnKeyDown(KeyEventArgs e)
|
|
{
|
|
base.OnKeyDown(e);
|
|
if(snaptogrid != General.Interface.ShiftState ^ General.Interface.SnapToGrid) Update();
|
|
if(snaptonearest != General.Interface.CtrlState) Update();
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|