bc5eb66088
Circle obviously doesn't need it now (might change with the introduction of offsets, but we can still add it when that happens).
126 lines
4.2 KiB
C#
126 lines
4.2 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2017 The OpenRA Developers (see AUTHORS)
|
|
* This file is part of OpenRA, which is free software. It is made
|
|
* available to you under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation, either version 3 of
|
|
* the License, or (at your option) any later version. For more
|
|
* information, see COPYING.
|
|
*/
|
|
#endregion
|
|
|
|
using System;
|
|
using System.Drawing;
|
|
using System.Linq;
|
|
using OpenRA.Graphics;
|
|
using OpenRA.Mods.Common.Graphics;
|
|
using OpenRA.Traits;
|
|
|
|
namespace OpenRA.Mods.Common.HitShapes
|
|
{
|
|
public class CapsuleShape : IHitShape
|
|
{
|
|
public WDist OuterRadius { get; private set; }
|
|
|
|
[FieldLoader.Require]
|
|
public readonly int2 PointA;
|
|
|
|
[FieldLoader.Require]
|
|
public readonly int2 PointB;
|
|
|
|
public readonly WDist Radius = new WDist(426);
|
|
|
|
[Desc("Defines the top offset relative to the actor's target point.")]
|
|
public readonly int VerticalTopOffset = 0;
|
|
|
|
[Desc("Defines the bottom offset relative to the actor's target point.")]
|
|
public readonly int VerticalBottomOffset = 0;
|
|
|
|
int2 ab;
|
|
int abLenSq;
|
|
|
|
public CapsuleShape() { }
|
|
|
|
public CapsuleShape(int2 a, int2 b, WDist radius)
|
|
{
|
|
PointA = a;
|
|
PointB = b;
|
|
Radius = radius;
|
|
}
|
|
|
|
public void Initialize()
|
|
{
|
|
ab = PointB - PointA;
|
|
abLenSq = ab.LengthSquared / 1024;
|
|
|
|
if (abLenSq == 0)
|
|
throw new YamlException("This Capsule describes a circle. Use a Circle HitShape instead.");
|
|
|
|
if (VerticalTopOffset < VerticalBottomOffset)
|
|
throw new YamlException("VerticalTopOffset must be equal to or higher than VerticalBottomOffset.");
|
|
|
|
OuterRadius = Radius + new WDist(Math.Max(PointA.Length, PointB.Length));
|
|
}
|
|
|
|
public WDist DistanceFromEdge(WVec v)
|
|
{
|
|
var p = new int2(v.X, v.Y);
|
|
|
|
var t = int2.Dot(p - PointA, ab) / abLenSq;
|
|
|
|
if (t < 0)
|
|
return new WDist(Math.Max(0, (PointA - p).Length - Radius.Length));
|
|
if (t > 1024)
|
|
return new WDist(Math.Max(0, (PointB - p).Length - Radius.Length));
|
|
|
|
var projection = PointA + new int2(
|
|
(ab.X * t) / 1024,
|
|
(ab.Y * t) / 1024);
|
|
|
|
var distance = (projection - p).Length;
|
|
|
|
return new WDist(Math.Max(0, distance - Radius.Length));
|
|
}
|
|
|
|
public WDist DistanceFromEdge(WPos pos, Actor actor)
|
|
{
|
|
var actorPos = actor.CenterPosition;
|
|
|
|
if (pos.Z > actorPos.Z + VerticalTopOffset)
|
|
return DistanceFromEdge((pos - (actorPos + new WVec(0, 0, VerticalTopOffset))).Rotate(-actor.Orientation));
|
|
|
|
if (pos.Z < actorPos.Z + VerticalBottomOffset)
|
|
return DistanceFromEdge((pos - (actorPos + new WVec(0, 0, VerticalBottomOffset))).Rotate(-actor.Orientation));
|
|
|
|
return DistanceFromEdge((pos - new WPos(actorPos.X, actorPos.Y, pos.Z)).Rotate(-actor.Orientation));
|
|
}
|
|
|
|
public void DrawCombatOverlay(WorldRenderer wr, RgbaColorRenderer wcr, Actor actor)
|
|
{
|
|
var actorPos = actor.CenterPosition;
|
|
|
|
var a = actorPos + new WVec(PointA.X, PointA.Y, VerticalTopOffset).Rotate(actor.Orientation);
|
|
var b = actorPos + new WVec(PointB.X, PointB.Y, VerticalTopOffset).Rotate(actor.Orientation);
|
|
var aa = actorPos + new WVec(PointA.X, PointA.Y, VerticalBottomOffset).Rotate(actor.Orientation);
|
|
var bb = actorPos + new WVec(PointB.X, PointB.Y, VerticalBottomOffset).Rotate(actor.Orientation);
|
|
|
|
var offset1 = new WVec(a.Y - b.Y, b.X - a.X, 0);
|
|
offset1 = offset1 * Radius.Length / offset1.Length;
|
|
var offset2 = new WVec(aa.Y - bb.Y, bb.X - aa.X, 0);
|
|
offset2 = offset2 * Radius.Length / offset2.Length;
|
|
|
|
var c = Color.Yellow;
|
|
RangeCircleRenderable.DrawRangeCircle(wr, a, Radius, 1, c, 0, c);
|
|
RangeCircleRenderable.DrawRangeCircle(wr, b, Radius, 1, c, 0, c);
|
|
wcr.DrawLine(new[] { wr.Screen3DPosition(a - offset1), wr.Screen3DPosition(b - offset1) }, 1, c);
|
|
wcr.DrawLine(new[] { wr.Screen3DPosition(a + offset1), wr.Screen3DPosition(b + offset1) }, 1, c);
|
|
|
|
RangeCircleRenderable.DrawRangeCircle(wr, aa, Radius, 1, c, 0, c);
|
|
RangeCircleRenderable.DrawRangeCircle(wr, bb, Radius, 1, c, 0, c);
|
|
wcr.DrawLine(new[] { wr.Screen3DPosition(aa - offset2), wr.Screen3DPosition(bb - offset2) }, 1, c);
|
|
wcr.DrawLine(new[] { wr.Screen3DPosition(aa + offset2), wr.Screen3DPosition(bb + offset2) }, 1, c);
|
|
|
|
RangeCircleRenderable.DrawRangeCircle(wr, actorPos, OuterRadius, 1, Color.LimeGreen, 0, Color.LimeGreen);
|
|
}
|
|
}
|
|
} |