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https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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109 lines
3.5 KiB
C#
109 lines
3.5 KiB
C#
using System;
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using CodeImp.DoomBuilder.Editing;
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using CodeImp.DoomBuilder.Geometry;
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namespace CodeImp.DoomBuilder.BuilderModes.ClassicModes {
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[EditMode(DisplayName = "Draw Ellipse Mode",
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SwitchAction = "drawellipsemode",
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AllowCopyPaste = false,
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Volatile = true,
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Optional = false)]
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public class DrawEllipseMode : DrawRectangleMode {
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private static int storedSubdivisions;
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public DrawEllipseMode() : base() {
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maxSubdivisions = 32;
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minSubdivisions = 6;
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undoName = "Ellipse draw";
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shapeName = "ellipse";
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if(storedSubdivisions == 0)
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storedSubdivisions = minSubdivisions + 2;
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subdivisions = storedSubdivisions;
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}
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public override void OnDisengage() {
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base.OnDisengage();
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storedSubdivisions = subdivisions;
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}
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override protected Vector2D[] getShape(Vector2D pStart, Vector2D pEnd) {
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//no shape
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if (pEnd.x == pStart.x && pEnd.y == pStart.y)
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return new Vector2D[0];
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//line
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if(pEnd.x == pStart.x || pEnd.y == pStart.y)
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return new Vector2D[] { pStart, pEnd };
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//got shape
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int bevelSign = (bevelWidth > 0 ? 1 : -1);
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currentBevelWidth = Math.Min(Math.Abs(bevelWidth), Math.Min(width, height) / 2) * bevelSign;
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Vector2D[] shape = new Vector2D[subdivisions + 1];
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bool doBevel = false;
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int hw = width / 2;
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int hh = height / 2;
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Vector2D center = new Vector2D(pStart.x + hw, pStart.y + hh);
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float curAngle = 0;
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float angleStep = -Angle2D.PI / subdivisions * 2;
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int px, py;
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for (int i = 0; i < subdivisions; i++) {
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if (doBevel) {
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px = (int)(center.x - (float)Math.Sin(curAngle) * (hw + currentBevelWidth));
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py = (int)(center.y - (float)Math.Cos(curAngle) * (hh + currentBevelWidth));
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} else {
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px = (int)(center.x - (float)Math.Sin(curAngle) * hw);
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py = (int)(center.y - (float)Math.Cos(curAngle) * hh);
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}
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doBevel = !doBevel;
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shape[i] = new Vector2D(px, py);
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curAngle += angleStep;
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}
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//add final point
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shape[subdivisions] = shape[0];
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return shape;
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}
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protected override string getHintText() {
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return "BVL: "+bevelWidth+"; VERTS: "+subdivisions;
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}
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//mxd. Setup hints for current editing mode
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protected override void SetupHints() {
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string selectKey = Actions.Action.GetShortcutKeyDesc("builder_classicselect");
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string editKey = Actions.Action.GetShortcutKeyDesc("builder_classicedit");
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string cancelKey = Actions.Action.GetShortcutKeyDesc("builder_cancelmode");
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string incSub = Actions.Action.GetShortcutKeyDesc("buildermodes_increasesubdivlevel");
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string decSub = Actions.Action.GetShortcutKeyDesc("buildermodes_decreasesubdivlevel");
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string incBvl = Actions.Action.GetShortcutKeyDesc("buildermodes_increasebevel");
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string decBvl = Actions.Action.GetShortcutKeyDesc("buildermodes_decreasebevel");
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hints = new[]{"Press " + selectKey + " to place a vertex",
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"Use " + incBvl + " and " + decBvl + " to change bevel by current grid size",
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"Use " + incSub + " and " + decSub + " to change the number of points in ellipse",
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"Place second vertex to finish drawing",
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"Press " + cancelKey + " or " + editKey + " to cancel"
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};
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}
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//ACTIONS
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override protected void increaseSubdivLevel() {
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if (subdivisions < maxSubdivisions) {
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subdivisions += 2;
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Update();
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}
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}
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override protected void decreaseSubdivLevel() {
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if (subdivisions > minSubdivisions) {
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subdivisions -= 2;
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Update();
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}
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}
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}
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}
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