mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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324 lines
10 KiB
C#
324 lines
10 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.Data;
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using CodeImp.DoomBuilder.Windows;
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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 CodeImp.DoomBuilder.Editing;
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using System.Drawing;
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using CodeImp.DoomBuilder.Actions;
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#endregion
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namespace CodeImp.DoomBuilder.GZDoomEditing
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{
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public abstract class FlatAlignMode : BaseClassicMode
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{
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#region ================== Constants
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private enum ModifyMode : int
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{
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None,
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Dragging,
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Resizing,
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Rotating
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}
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private enum Grip : int
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{
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None,
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Main,
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SizeS,
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SizeE,
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RotateRT,
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RotateLB
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}
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protected struct SectorInfo
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{
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public float rotation;
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public Vector2D scale;
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public Vector2D offset;
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}
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private const float GRIP_SIZE = 9.0f;
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#endregion
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#region ================== Variables
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private ICollection<Sector> selection;
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protected Sector editsector;
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protected IList<SectorInfo> sectorinfo;
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private ImageData texture;
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private Vector2D texturegraboffset;
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// Modification
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private float rotation;
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private Vector2D scale;
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private Vector2D offset;
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// Rectangle components
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private Vector2D[] corners = new Vector2D[4]; // lefttop, righttop, rightbottom, leftbottom
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private Vector2D[] extends = new Vector2D[2]; // right, bottom
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private RectangleF[] resizegrips = new RectangleF[2]; // right, bottom
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private RectangleF[] rotategrips = new RectangleF[2]; // righttop, leftbottom
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#endregion
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#region ================== Properties
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public abstract string XScaleName { get; }
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public abstract string YScaleName { get; }
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public abstract string XOffsetName { get; }
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public abstract string YOffsetName { get; }
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public abstract string RotationName { get; }
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#endregion
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#region ================== Constructor / Disposer
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// Constructor
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protected FlatAlignMode()
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{
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}
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#endregion
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#region ================== Methods
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protected abstract ImageData GetTexture(Sector editsector);
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// This checks if a point is in a rect
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private bool PointInRectF(RectangleF rect, Vector2D point)
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{
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return (point.x >= rect.Left) && (point.x <= rect.Right) && (point.y >= rect.Top) && (point.y <= rect.Bottom);
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}
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// Transforms p from Texture space into World space
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protected Vector2D TexToWorld(Vector2D p, SectorInfo s)
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{
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p /= scale + s.scale;
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p -= offset + s.offset;
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p = p.GetRotated(-(rotation + s.rotation));
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return p;
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}
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// Transforms p from World space into Texture space
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protected Vector2D WorldToTex(Vector2D p, SectorInfo s)
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{
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p = p.GetRotated(rotation + s.rotation);
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p += offset + s.offset;
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p *= scale + s.scale;
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return p;
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}
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// This updates the selection rectangle components
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private void UpdateRectangleComponents()
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{
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float gripsize = GRIP_SIZE / renderer.Scale;
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// Corners in world space
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corners[0] = TexToWorld(texturegraboffset + new Vector2D(0f, 0f), sectorinfo[0]);
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corners[1] = TexToWorld(texturegraboffset + new Vector2D(texture.ScaledWidth, 0f), sectorinfo[0]);
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corners[2] = TexToWorld(texturegraboffset + new Vector2D(texture.ScaledWidth, texture.ScaledHeight), sectorinfo[0]);
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corners[3] = TexToWorld(texturegraboffset + new Vector2D(0f, texture.ScaledHeight), sectorinfo[0]);
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// Extended points for rotation corners
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extends[0] = TexToWorld(texturegraboffset + new Vector2D(texture.ScaledWidth + 20f / renderer.Scale * (scale.x + sectorinfo[0].scale.x), 0f), sectorinfo[0]);
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extends[1] = TexToWorld(texturegraboffset + new Vector2D(0f, texture.ScaledHeight + 20f / renderer.Scale * (scale.y + sectorinfo[0].scale.y)), sectorinfo[0]);
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// Middle points between corners
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Vector2D middle12 = corners[1] + (corners[2] - corners[1]) * 0.5f;
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Vector2D middle23 = corners[2] + (corners[3] - corners[2]) * 0.5f;
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// Resize grips
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resizegrips[0] = new RectangleF(middle12.x - gripsize * 0.5f,
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middle12.y - gripsize * 0.5f,
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gripsize, gripsize);
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resizegrips[1] = new RectangleF(middle23.x - gripsize * 0.5f,
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middle23.y - gripsize * 0.5f,
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gripsize, gripsize);
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// Rotate grips
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rotategrips[0] = new RectangleF(extends[0].x - gripsize * 0.5f,
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extends[0].y - gripsize * 0.5f,
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gripsize, gripsize);
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rotategrips[1] = new RectangleF(extends[1].x - gripsize * 0.5f,
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extends[1].y - gripsize * 0.5f,
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gripsize, gripsize);
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}
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#endregion
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#region ================== Events
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// Mode engages
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public override void OnEngage()
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{
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base.OnEngage();
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// Presentation
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renderer.SetPresentation(Presentation.Standard);
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// Selection
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General.Map.Map.ConvertSelection(SelectionType.Sectors);
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General.Map.Map.SelectionType = SelectionType.Sectors;
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if(General.Map.Map.SelectedSectorsCount == 0)
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{
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// Find the nearest linedef within highlight range
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Linedef l = General.Map.Map.NearestLinedef(mousemappos);
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if(l != null)
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{
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Sector selectsector = null;
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// Check on which side of the linedef the mouse is and which sector there is
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float side = l.SideOfLine(mousemappos);
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if((side > 0) && (l.Back != null))
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selectsector = l.Back.Sector;
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else if((side <= 0) && (l.Front != null))
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selectsector = l.Front.Sector;
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// Select the sector!
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if(selectsector != null)
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{
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selectsector.Selected = true;
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foreach(Sidedef sd in selectsector.Sidedefs)
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sd.Line.Selected = true;
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}
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}
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}
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// Get sector selection
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selection = General.Map.Map.GetSelectedSectors(true);
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if(selection.Count == 0)
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{
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General.Interface.MessageBeep(MessageBeepType.Default);
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General.Interface.DisplayStatus(StatusType.Info, "A selected sector is required for this action.");
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General.Editing.CancelMode();
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return;
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}
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editsector = General.GetByIndex(selection, 0);
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// Get the texture
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texture = GetTexture(editsector);
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if((texture == null) || (texture == General.Map.Data.WhiteTexture) ||
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(texture.Width <= 0) || (texture.Height <= 0) || !texture.IsImageLoaded)
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{
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General.Interface.MessageBeep(MessageBeepType.Default);
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General.Interface.DisplayStatus(StatusType.Info, "The selected sector must have a loaded texture to align.");
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General.Editing.CancelMode();
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return;
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}
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// Cache the transformation values
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sectorinfo = new List<SectorInfo>(selection.Count);
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foreach(Sector s in selection)
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{
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SectorInfo si;
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si.rotation = Angle2D.DegToRad(editsector.Fields.GetValue(RotationName, 0.0f));
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si.scale.x = editsector.Fields.GetValue(XScaleName, 1.0f);
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si.scale.y = editsector.Fields.GetValue(YScaleName, 1.0f);
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si.offset.x = editsector.Fields.GetValue(XOffsetName, 0.0f);
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si.offset.y = -editsector.Fields.GetValue(YOffsetName, 0.0f);
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sectorinfo.Add(si);
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}
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// We want the texture corner nearest to the center of the sector
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Vector2D fp;
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fp.x = (editsector.BBox.Left + editsector.BBox.Right) / 2;
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fp.y = (editsector.BBox.Top + editsector.BBox.Bottom) / 2;
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// Transform the point into texture space
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fp = WorldToTex(fp, sectorinfo[0]);
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// Snap to the nearest left-top corner
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fp.x = (float)Math.Round(fp.x / texture.ScaledWidth) * texture.ScaledWidth;
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fp.y = (float)Math.Round(fp.y / texture.ScaledHeight) * texture.ScaledHeight;
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texturegraboffset = fp;
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UpdateRectangleComponents();
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}
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// Mode disengages
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public override void OnDisengage()
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{
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base.OnDisengage();
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// Hide highlight info
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General.Interface.HideInfo();
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}
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// This redraws the display
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public override void OnRedrawDisplay()
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{
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UpdateRectangleComponents();
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renderer.RedrawSurface();
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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.RenderThingSet(General.Map.ThingsFilter.HiddenThings, Presentation.THINGS_HIDDEN_ALPHA);
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renderer.RenderThingSet(General.Map.ThingsFilter.VisibleThings, 1.0f);
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renderer.Finish();
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}
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// Render overlay
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if(renderer.StartOverlay(true))
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{
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renderer.RenderLine(corners[0], extends[0], 1f, General.Colors.Highlight, true);
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renderer.RenderLine(corners[0], extends[1], 1f, General.Colors.Highlight, true);
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renderer.RenderLine(corners[1], corners[2], 0.5f, General.Colors.Highlight, true);
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renderer.RenderLine(corners[2], corners[3], 0.5f, General.Colors.Highlight, true);
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renderer.RenderRectangleFilled(rotategrips[0], General.Colors.Background, true);
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renderer.RenderRectangleFilled(rotategrips[1], General.Colors.Background, true);
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renderer.RenderRectangle(rotategrips[0], 2f, General.Colors.Indication, true);
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renderer.RenderRectangle(rotategrips[1], 2f, General.Colors.Indication, true);
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renderer.RenderRectangleFilled(resizegrips[0], General.Colors.Background, true);
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renderer.RenderRectangleFilled(resizegrips[1], General.Colors.Background, true);
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renderer.RenderRectangle(resizegrips[0], 2f, General.Colors.Highlight, true);
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renderer.RenderRectangle(resizegrips[1], 2f, General.Colors.Highlight, true);
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renderer.Finish();
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}
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renderer.Present();
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}
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#endregion
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}
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}
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