95 lines
2.3 KiB
C#
95 lines
2.3 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 OpenRa.Game.Graphics;
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using IjwFramework.Types;
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using OpenRa.Game.GameRules;
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namespace OpenRa.Game.Traits
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{
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class InfantrySquad : ITick, IRender
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{
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readonly List<Soldier> elements = new List<Soldier>();
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readonly int2[][] elementOffsets = new []
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{
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new int2[] {},
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new [] { new int2(0,0) },
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new [] { new int2(-5,-5), new int2(5,5) },
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new [] { new int2(-6,5), new int2(0, -5), new int2(6,4) }, /* todo: move squad arrangements ! */
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};
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public InfantrySquad(Actor self)
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{
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var ii = (UnitInfo.InfantryInfo)self.unitInfo;
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for (int i = 0; i < ii.SquadSize; i++)
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elements.Add(new Soldier(self.unitInfo.Name,
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self.CenterLocation.ToInt2() + elementOffsets[ii.SquadSize][i]));
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}
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public void Tick(Actor self)
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{
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for (int i = 0; i < elements.Count; i++)
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elements[i].Tick(
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self.CenterLocation.ToInt2() + elementOffsets[elements.Count][i]);
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}
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public IEnumerable<Pair<Sprite, float2>> Render(Actor self)
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{
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return elements.Select(
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e => Util.Centered(e.anim.Image, e.location))
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.OrderBy( a => a.Second.Y ); /* important to y-order elements of a squad! */
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}
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}
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class Soldier
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{
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public Animation anim;
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public float2 location;
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string name;
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int facing = 128;
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string currentSequence;
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void PlaySequence(string seq, bool isFacing)
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{
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if (currentSequence == seq) return;
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currentSequence = seq;
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if (isFacing)
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anim.PlayFetchIndex(seq, () => facing / (256 / anim.CurrentSequence.Length));
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else
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anim.PlayRepeating(seq);
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}
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public Soldier(string type, int2 initialLocation)
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{
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name = type;
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anim = new Animation(type);
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anim.PlayFetchIndex("stand",
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() => facing / (256 / anim.CurrentSequence.Length) );
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location = initialLocation;
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}
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public void Tick( int2 desiredLocation )
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{
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anim.Tick();
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var d = (desiredLocation - location);
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var speed = ((UnitInfo.InfantryInfo)Rules.UnitInfo[name]).Speed / 2;
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facing = Util.GetFacing(d, facing);
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if (float2.WithinEpsilon(d, float2.Zero, .1f))
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PlaySequence("stand", true);
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else
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PlaySequence("run-" + (facing / 32), false);
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if (d.Length > speed)
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d = (d.Length / speed) * d;
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location += d;
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}
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}
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}
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