/// <summary>
/// 获取距离我最近的对手
/// </summary>
/// <param name="sprite"></param>
/// <returns></returns>
public XLSpriteBase getCloselyMatchSprite(XLSpriteBase sprite, XLSpriteBase ignoreSprite)
{
if (sprite == null)
{
return(null);
}
List <XLSpriteBase> matchSprites = null;
if (sprite.Country == Defaults.Country.Enemy)
{
matchSprites = _selfSoldiers;
}
else if (sprite.Country == Defaults.Country.Me || sprite.Country == Defaults.Country.Friend)
{
matchSprites = _enemySoldiers;
}
if (matchSprites == null)
{
return(null);
}
XLSpriteBase ret = null;
float retDistance = -1;
for (int i = 0; i < matchSprites.Count; i++)
{
XLSpriteBase matchSprite = matchSprites[i];
if (!matchSprite.isCanBeTarget())
{
continue;
}
// 如果对手就只有一个那就不用换目标了 && 更换目标
if (matchSprites.Count > 1 && matchSprite == ignoreSprite)
{
continue;
}
float matchDistance = Vector3.Distance(sprite.transform.position, matchSprite.transform.position);
if (ret == null || matchDistance < retDistance)
{
ret = matchSprite;
retDistance = matchDistance;
continue;
}
}
return(ret);
}
/// <summary>
/// 获取距离我最近的对手
/// </summary>
/// <param name="sprite"></param>
/// <returns></returns>
public XLSpriteBase getCloselyMatchSprite1(XLSpriteBase sprite, XLSpriteBase ignoreSprite)
{
if (sprite == null)
{
return(null);
}
List <XLSpriteBase> matchSprites = null;
if (sprite.Country == Defaults.Country.Enemy)
{
matchSprites = _selfSoldiers;
}
else if (sprite.Country == Defaults.Country.Me || sprite.Country == Defaults.Country.Friend)
{
matchSprites = _enemySoldiers;
}
if (matchSprites == null)
{
return(null);
}
XLSpriteBase ret = null;
float retDistance = -1;
List <float> distArray = new List <float>(matchSprites.Count);
//float[] distArray = new float[matchSprites.Count];
float maxDist = 100000f;
float totalHP = 0;
for (int i = 0; i < matchSprites.Count; i++)
{
XLSpriteBase matchSprite = matchSprites[i];
if (!matchSprite.isCanBeTarget())
{
distArray.Add(maxDist);
continue;
}
// 如果对手就只有一个那就不用换目标了 && 更换目标
if (matchSprites.Count > 1 && matchSprite == ignoreSprite)
{
distArray.Add(maxDist);
continue;
}
float matchDistance = Vector3.Distance(sprite.transform.position, matchSprite.transform.position);
distArray.Add(matchDistance);
totalHP += matchSprite._data.HP;
}
// 对距离进行排序，然后在距离最短的几个里面找一个血量最小的攻击
var sorted = distArray.Select((x, i) => new KeyValuePair <float, int>(x, i)).OrderBy(x => x.Key).ToList();
List <float> sortedDistArray = sorted.Select(x => x.Key).ToList();
List <int> idx = sorted.Select(x => x.Value).ToList();
float minRatio = 1;
//if (sprite._data.Country == Defaults.Country.Me) // 只有我方士兵才适用这种寻敌方式
if (true) // 双方士兵都用这种寻敌方式
{
//Debug.Log("xueliang--------");
for (int i = 0; i < Math.Min(8, distArray.Count); i++) // 以8人为小组单位，在里面选一个血量最小的士兵进行攻击。
{
float ratio = (float)matchSprites[idx[i]]._data.HP / (float)sprite._data.HP; // *UnityEngine.Random.Range(0.1f, 1);
if (ret == null || ratio < minRatio)
{
ret = matchSprites[idx[i]];
minRatio = ratio;
continue;
}
}
}
else
{
ret = matchSprites[idx[0]];
}
// 调试用的，用来显示最后有多少士兵存活，总共还剩多少血量
//string strTotal = String.Format("#.{0},HP={1}", matchSprites.Count, totalHP);
//if(matchSprites[0]._data.Country != Defaults.Country.Me)
// Debug.Log(strTotal);
return(ret);
}