86 lines
2.7 KiB
C#
86 lines
2.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using IjwFramework.Types;
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using System.Drawing;
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namespace OpenRa.Game
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{
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class Controller
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{
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Game game;
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public IOrderGenerator orderGenerator;
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public Controller(Game game)
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{
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this.game = game;
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}
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float2 GetWorldPos(MouseInput mi)
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{
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return (1 / 24.0f) * (new float2(mi.Location.X, mi.Location.Y) + game.viewport.Location);
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}
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float2? dragStart, dragEnd;
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public void HandleMouseInput(MouseInput mi)
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{
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var xy = GetWorldPos(mi);
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if (mi.Button == MouseButtons.Left && mi.Event == MouseInputEvent.Down)
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{
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dragStart = dragEnd = xy;
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}
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if (mi.Button == MouseButtons.Left && mi.Event == MouseInputEvent.Move)
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if (dragEnd != null)
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dragEnd = GetWorldPos(mi);
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if (mi.Button == MouseButtons.Left && mi.Event == MouseInputEvent.Up)
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{
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if (dragStart.HasValue && !(dragStart.Value == GetWorldPos(mi)))
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orderGenerator = FindUnit(dragStart.Value, xy); /* band-box select */
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else
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orderGenerator = FindUnit(xy, xy); /* click select */
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dragStart = dragEnd = null;
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}
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if (mi.Button == MouseButtons.None && mi.Event == MouseInputEvent.Move)
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{
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/* update the cursor to reflect the thing under us - note this
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* needs to also happen when the *thing* changes, so per-frame hook */
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}
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if (mi.Button == MouseButtons.Right && mi.Event == MouseInputEvent.Down)
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if (orderGenerator != null)
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orderGenerator.Order(game, new int2((int)xy.X, (int)xy.Y)).Apply(game);
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}
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public Unit FindUnit(float2 a, float2 b)
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{
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return FindUnits(game, 24 * a, 24 * b).FirstOrDefault();
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}
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public static IEnumerable<Unit> FindUnits(Game game, float2 a, float2 b)
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{
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var min = new float2(Math.Min(a.X, b.X), Math.Min(a.Y, b.Y));
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var max = new float2(Math.Max(a.X, b.X), Math.Max(a.Y, b.Y));
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var rect = new RectangleF(min.X, min.Y, max.X - min.X, max.Y - min.Y);
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return game.world.Actors.OfType<Unit>()
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.Where(x => (x.owner == game.LocalPlayer) && (x.Bounds.IntersectsWith(rect)));
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}
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public Pair<float2, float2>? SelectionBox()
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{
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if (dragStart == null || dragEnd == null)
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return null;
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return Pair.New(24 * dragStart.Value, 24 * dragEnd.Value);
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}
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}
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}
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