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https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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462 lines
11 KiB
C#
462 lines
11 KiB
C#
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#region ================== Copyright (c) 2007 Pascal vd Heiden
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/*
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* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
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* This program is released under GNU General Public License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#endregion
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#region ================== Namespaces
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Text;
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using System.Windows.Forms;
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using System.IO;
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using System.Reflection;
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using CodeImp.DoomBuilder.Interface;
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using CodeImp.DoomBuilder.IO;
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using CodeImp.DoomBuilder.Map;
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using CodeImp.DoomBuilder.Rendering;
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using CodeImp.DoomBuilder.Geometry;
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using System.Drawing;
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using CodeImp.DoomBuilder.Editing;
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using CodeImp.DoomBuilder.Controls;
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#endregion
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namespace CodeImp.DoomBuilder.BuilderModes.Editing
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{
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[EditMode(SwitchAction = "drawlinesmode")]
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public class DrawGeometryMode : ClassicMode
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{
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#region ================== Structures
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private struct DrawnVertex
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{
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public Vector2D pos;
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public bool stitch;
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}
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#endregion
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#region ================== Constants
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private const float LINE_THICKNESS = 0.8f;
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#endregion
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#region ================== Variables
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// Mode to return to
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private EditMode basemode;
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// Drawing points
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private List<DrawnVertex> points;
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// Keep track of view changes
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private float lastoffsetx;
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private float lastoffsety;
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private float lastscale;
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// Options
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private bool snaptogrid; // SHIFT to toggle
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private bool snaptonearest; // CTRL to enable
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#endregion
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#region ================== Properties
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// Just keep the base mode button checked
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public override string EditModeButtonName { get { return basemode.GetType().Name; } }
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#endregion
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#region ================== Constructor / Disposer
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// Constructor
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public DrawGeometryMode()
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{
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// Initialize
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this.basemode = General.Map.Mode;
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points = new List<DrawnVertex>();
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// No selection in this mode
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General.Map.Map.ClearAllSelected();
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General.Map.Map.ClearAllMarks();
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// We have no destructor
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GC.SuppressFinalize(this);
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}
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// Disposer
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public override void Dispose()
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{
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// Not already disposed?
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if(!isdisposed)
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{
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// Clean up
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// Done
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base.Dispose();
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}
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}
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#endregion
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#region ================== Methods
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// Cancelled
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public override void Cancel()
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{
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// Cancel base class
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base.Cancel();
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// Return to original mode
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Type t = basemode.GetType();
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basemode = (EditMode)Activator.CreateInstance(t);
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General.Map.ChangeMode(basemode);
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}
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// Disenagaging
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public override void Disengage()
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{
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List<Vertex> newverts = new List<Vertex>();
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List<Linedef> newlines = new List<Linedef>();
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List<Vertex> mergeverts = new List<Vertex>();
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List<Vertex> nonmergeverts = new List<Vertex>(General.Map.Map.Vertices);
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MapSet map = General.Map.Map;
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base.Disengage();
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Cursor.Current = Cursors.AppStarting;
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// When not cancelled and points have been drawn
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if(!cancelled && (points.Count > 0))
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{
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// Make undo for the draw
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General.Map.UndoRedo.CreateUndo("line draw", UndoGroup.None, 0);
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// STEP 1: Create the new geometry
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// Make first vertex
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Vertex v1 = map.CreateVertex((int)points[0].pos.x, (int)points[0].pos.y);
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// Keep references
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newverts.Add(v1);
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if(points[0].stitch) mergeverts.Add(v1); else nonmergeverts.Add(v1);
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// Go for all other points
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for(int i = 1; i < points.Count; i++)
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{
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// Create vertex for point
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Vertex v2 = map.CreateVertex((int)points[i].pos.x, (int)points[i].pos.y);
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// Keep references
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newverts.Add(v2);
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if(points[i].stitch) mergeverts.Add(v2); else nonmergeverts.Add(v2);
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// Create line between point and previous
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Linedef ld = map.CreateLinedef(v1, v2);
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ld.Marked = true;
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ld.Selected = true;
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newlines.Add(ld);
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// Next
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v1 = v2;
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}
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// STEP 2: Merge the new geometry
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foreach(Vertex v in mergeverts) v.Marked = true;
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MapSet.JoinVertices(mergeverts, mergeverts, true, General.Settings.StitchDistance);
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map.StitchGeometry();
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// STEP 3: Make sectors where possible
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bool[] frontsdone = new bool[newlines.Count];
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for(int i = 0; i < newlines.Count; i++)
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{
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Linedef ld = newlines[i];
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// Front not marked as done?
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if(!frontsdone[i])
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{
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// Make sector here
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SectorMaker maker = new SectorMaker();
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Sector newsector = maker.MakeAt(ld, true);
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if(newsector != null)
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{
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// Go for all sidedefs in this new sector
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foreach(Sidedef sd in newsector.Sidedefs)
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{
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// Side matches with a side of our new lines?
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int lineindex = newlines.IndexOf(sd.Line);
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if(lineindex > -1)
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{
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// Mark this side as done
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if(sd.IsFront) frontsdone[lineindex] = true;
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}
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}
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}
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}
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}
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// Update cached values
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map.Update();
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// Map is changed
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General.Map.IsChanged = true;
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}
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// Hide highlight info
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General.Interface.HideInfo();
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// Done
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Cursor.Current = Cursors.Default;
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}
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// This checks if the view offset/zoom changed and updates the check
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protected bool CheckViewChanged()
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{
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bool viewchanged = false;
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// View changed?
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if(renderer.OffsetX != lastoffsetx) viewchanged = true;
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if(renderer.OffsetY != lastoffsety) viewchanged = true;
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if(renderer.Scale != lastscale) viewchanged = true;
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// Keep view information
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lastoffsetx = renderer.OffsetX;
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lastoffsety = renderer.OffsetY;
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lastscale = renderer.Scale;
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// Return result
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return viewchanged;
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}
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// This redraws the display
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public override void RedrawDisplay()
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{
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// Render lines
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if(renderer.StartPlotter(true))
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{
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renderer.PlotLinedefSet(General.Map.Map.Linedefs);
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renderer.PlotVerticesSet(General.Map.Map.Vertices);
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renderer.Finish();
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}
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// Render things
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if(renderer.StartThings(true))
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{
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renderer.SetThingsRenderOrder(false);
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renderer.RenderThingSet(General.Map.Map.Things);
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renderer.Finish();
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}
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// Normal update
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Update();
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}
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// This updates the dragging
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private void Update()
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{
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snaptogrid = General.Interface.ShiftState ^ General.Interface.SnapToGrid;
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snaptonearest = General.Interface.CtrlState ^ General.Interface.AutoMerge;
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Vector2D lastp = new Vector2D(0, 0);
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DrawnVertex curp = GetCurrentPosition();
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float vsize = ((float)renderer.VertexSize + 1.0f) / renderer.Scale;
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// Render drawing lines
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if(renderer.StartOverlay(true))
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{
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// Go for all points to draw lines
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if(points.Count > 0)
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{
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// Render lines
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lastp = points[0].pos;
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for(int i = 1; i < points.Count; i++)
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{
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renderer.RenderLine(lastp, points[i].pos, LINE_THICKNESS, General.Colors.Selection, true);
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lastp = points[i].pos;
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}
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// Render line to cursor
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renderer.RenderLine(lastp, curp.pos, LINE_THICKNESS, General.Colors.Highlight, true);
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// Render vertices
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for(int i = 0; i < points.Count; i++)
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{
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if(points[i].stitch)
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{
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renderer.RenderRectangleFilled(new RectangleF(points[i].pos.x - vsize, points[i].pos.y - vsize, vsize * 2.0f, vsize * 2.0f), General.Colors.Highlight, true);
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}
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else
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{
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renderer.RenderRectangleFilled(new RectangleF(points[i].pos.x - vsize, points[i].pos.y - vsize, vsize * 2.0f, vsize * 2.0f), General.Colors.Selection, true);
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}
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}
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}
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// Render vertex at cursor
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renderer.RenderRectangleFilled(new RectangleF(curp.pos.x - vsize, curp.pos.y - vsize, vsize * 2.0f, vsize * 2.0f), General.Colors.Highlight, true);
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// Done
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renderer.Finish();
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}
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// Done
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renderer.Present();
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}
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// This gets the aligned and snapped draw position
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private DrawnVertex GetCurrentPosition()
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{
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DrawnVertex p = new DrawnVertex();
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// Snap to nearest?
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if(snaptonearest)
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{
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float vrange = VerticesMode.VERTEX_HIGHLIGHT_RANGE / renderer.Scale;
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// Go for all drawn points
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foreach(DrawnVertex v in points)
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{
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Vector2D delta = mousemappos - v.pos;
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if(delta.GetLengthSq() < (vrange * vrange))
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{
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p.pos = v.pos;
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p.stitch = true;
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return p;
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}
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}
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// Try the nearest vertex
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Vertex nv = General.Map.Map.NearestVertexSquareRange(mousemappos, vrange);
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if(nv != null)
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{
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p.pos = nv.Position;
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p.stitch = true;
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return p;
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}
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// Try the nearest linedef
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Linedef nl = General.Map.Map.NearestLinedefRange(mousemappos, LinedefsMode.LINEDEF_HIGHLIGHT_RANGE / renderer.Scale);
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if(nl != null)
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{
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// Snap to grid?
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if(snaptogrid)
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{
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// Get grid intersection coordinates
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List<Vector2D> coords = nl.GetGridIntersections();
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// Find nearest grid intersection
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float found_distance = float.MaxValue;
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Vector2D found_coord = new Vector2D();
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foreach(Vector2D v in coords)
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{
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Vector2D delta = mousemappos - v;
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if(delta.GetLengthSq() < found_distance)
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{
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found_distance = delta.GetLengthSq();
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found_coord = v;
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}
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}
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// Align to the closest grid intersection
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p.pos = found_coord;
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p.stitch = true;
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return p;
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}
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else
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{
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// Aligned to line
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p.pos = nl.NearestOnLine(mousemappos);
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p.stitch = true;
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return p;
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}
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}
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}
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// Snap to grid?
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if(snaptogrid)
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{
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// Aligned to grid
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p.pos = General.Map.Grid.SnappedToGrid(mousemappos);
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p.stitch = snaptonearest;
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return p;
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}
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else
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{
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// Normal position
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p.pos = mousemappos;
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p.stitch = snaptonearest;
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return p;
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}
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}
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// Mouse moving
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public override void MouseMove(MouseEventArgs e)
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{
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base.MouseMove(e);
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Update();
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}
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// Drawing a point
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[BeginAction("drawpoint")]
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public void DrawPoint()
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{
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// Mouse inside window?
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if(General.Interface.MouseInDisplay)
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{
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points.Add(GetCurrentPosition());
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Update();
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}
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}
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// Remove a point
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[BeginAction("removepoint")]
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public void RemovePoint()
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{
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if(points.Count > 0) points.RemoveAt(points.Count - 1);
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Update();
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}
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// Finish drawing
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[BeginAction("finishdraw")]
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public void FinishDraw()
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{
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// Just return to base mode, Disengage will be called automatically.
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General.Map.ChangeMode(basemode);
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}
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// When a key is released
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public override void KeyUp(KeyEventArgs e)
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{
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base.KeyUp(e);
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if((snaptogrid != (General.Interface.ShiftState ^ General.Interface.SnapToGrid)) ||
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(snaptonearest != (General.Interface.CtrlState ^ General.Interface.AutoMerge))) Update();
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}
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// When a key is pressed
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public override void KeyDown(KeyEventArgs e)
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{
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base.KeyDown(e);
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if((snaptogrid != (General.Interface.ShiftState ^ General.Interface.SnapToGrid)) ||
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(snaptonearest != (General.Interface.CtrlState ^ General.Interface.AutoMerge))) Update();
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}
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#endregion
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}
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}
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