// 寻找离指定施放者最近的单位
public BattleUnit FindNearestEnemyUnit(BattleUnit caster)
{
BattleUnit targetEntity = null;
// 找出敌对阵营
BattleCamp enemyCamp = caster.enemyCamp;
// 获取指定标记的所有单位
List <BattleUnit> entities = BattleUnitManager.instance.GetEntities(enemyCamp);
// 比较距离，找出最近单位
float minDistance = Int32.MaxValue;
foreach (BattleUnit entity in entities)
{
Vector2 distance = caster.Get2DPosition() - entity.Get2DPosition();
if (distance.magnitude < minDistance)
{
targetEntity = entity;
minDistance = distance.magnitude;
}
}
if (minDistance > caster.GetViewRange())
{
return(null);
}
return(targetEntity);
}
public override bool IsTrue(TBTWorkingData wData = null)
{
// 判断物体是否在视野范围内
BattleBehaviorWorkingData data = wData as BattleBehaviorWorkingData;
AutoCastAbilityRequest request = data.request as AutoCastAbilityRequest;
BattleUnit owner = data.owner;
Unit target = request.target;
// 目标是自己
if (target == owner)
{
return(true);
}
Ability ability = request.ability;
float abilityRange = ability.GetCastRange();
// 全屏技能
if (abilityRange == -1)
{
return(true);
}
Vector2 ownerPos = owner.Get2DPosition();
Vector2 targetPos = target.Get2DPosition();
float distance = (targetPos - ownerPos).magnitude;
//BattleLog.Log(string.Format("【CON_IsInAbilityRange】距离：{0}，技能范围：{1}", distance, abilityRange));
return(distance <= abilityRange);
}
public TargetCollection CalculateAOETarget(BattleUnit caster, AbilityData abilityData, RequestTarget requestTarget, ActionTarget actionTarget)
{
var targetCollection = new TargetCollection();
// 根据中心类型获取目标点
var centerType = actionTarget.Center;
float centerX, centerZ;
if (centerType == ActionMultipleTargetsCenter.CASTER)
{
caster.Get2DPosition(out centerX, out centerZ);
}
else if (centerType == ActionMultipleTargetsCenter.TARGET)
{
if (requestTarget.targetType == AbilityRequestTargetType.POINT)
{
BattleLog.LogError("单体技能[{0}]目标配置为TARGET，REQUEST TARGET却是POINT类型", abilityData.configFileName);
return(null);
}
requestTarget.GetTarget2DPosition(out centerX, out centerZ);
}
else if (centerType == ActionMultipleTargetsCenter.POINT)
{
requestTarget.GetTarget2DPosition(out centerX, out centerZ);
}
else
{
BattleLog.LogError("区域技能[{0}]中有未实现的技能中心点类型[{1}]", abilityData.configFileName, centerType);
return(null);
}
// 根据目标点和范围获取目标对象
List <BattleUnit> tempTargets;
var casterCamp = caster.camp;
var Teams = actionTarget.Teams;
var Types = actionTarget.Types;
var aoeType = actionTarget.aoeType;
if (aoeType == AOEType.Radius)
{
}
else if (aoeType == AOEType.Line)
{
}
else if (aoeType == AOEType.Sector)
{
}
else
{
BattleLog.LogError("区域技能[{0}]中有未实现区域类型{1}", abilityData.configFileName, aoeType);
}
return(targetCollection);
}
private BattleUnit FilterTargetEntityFromList(BattleUnit caster, Ability ability, List <BattleUnit> targetUnits)
{
if (targetUnits.Count <= 0)
{
return(null);
}
AbilityUnitAITargetCondition aiTargetCondition = ability.GetAiTargetCondition();
switch (aiTargetCondition)
{
case AbilityUnitAITargetCondition.UNIT_TARGET_RANDOM:
return(GetRandomHeroEntity(targetUnits));
case AbilityUnitAITargetCondition.UNIT_TARGET_RANGE_MIN:
return(GetRangeHeroEntity(caster.Get2DPosition(), targetUnits, MinValueCompare()));
case AbilityUnitAITargetCondition.UNIT_TARGET_RANGE_MAX:
return(GetRangeHeroEntity(caster.Get2DPosition(), targetUnits, MaxValueCompare()));
case AbilityUnitAITargetCondition.UNIT_TARGET_HP_MIN:
return(GetHpHeroEntity(targetUnits, MinValueCompare()));
case AbilityUnitAITargetCondition.UNIT_TARGET_HP_MAX:
return(GetHpHeroEntity(targetUnits, MaxValueCompare()));
case AbilityUnitAITargetCondition.UNIT_TARGET_HP_PERCENT_MIN:
return(GetHpPercentHeroEntity(targetUnits, MinValueCompare()));
case AbilityUnitAITargetCondition.UNIT_TARGET_HP_PERCENT_MAX:
return(GetHpPercentHeroEntity(targetUnits, MaxValueCompare()));
case AbilityUnitAITargetCondition.UNIT_TARGET_ENERGY_MIN:
return(GetEnergyHeroEntity(targetUnits, MinValueCompare()));
case AbilityUnitAITargetCondition.UNIT_TARGET_ENERGY_MAX:
return(GetEnergyHeroEntity(targetUnits, MaxValueCompare()));
}
BattleLog.LogError("[FilterTargetUnitFromList]没有找到指定Entity,返回列表第一个单位！");
return(null);
}
public void GetTarget2DPosition(out float x, out float z)
{
if (targetType == AbilityRequestTargetType.UNIT)
{
m_TargetUnit.Get2DPosition(out x, out z);
}
else
{
x = targetPos.x;
z = targetPos.y;
}
}
public override bool IsTrue(TBTWorkingData wData = null)
{
// 判断物体是否在视野范围内
BattleBehaviorWorkingData data = wData as BattleBehaviorWorkingData;
AIBehaviorRequest request = data.request;
BattleUnit owner = data.owner;
float viewRange = owner.GetViewRange();
Vector2 targetPos = request.target.Get2DPosition();
Vector2 ownerPos = owner.Get2DPosition();
float distanceSquare = (targetPos - ownerPos).magnitude;
BattleLog.Log(string.Format("【CON_IsInRange】距离：{0}，可见范围：{1}", distanceSquare, viewRange * viewRange));
return(distanceSquare <= viewRange * viewRange);
}
protected override int onExecute(TBTWorkingData wData)
{
BattleBehaviorWorkingData behaviorData = wData as BattleBehaviorWorkingData;
float deltaTime = behaviorData.deltaTime;
BattleUnit source = behaviorData.owner;
AIBehaviorRequest request = behaviorData.request;
Unit target = request.target;
Vector2 sourcePos = source.Get2DPosition();
Vector2 targetPos = target.Get2DPosition();
Vector2 sourceForward = source.Get2DForward();
Vector2 targetForward = (targetPos - sourcePos).normalized;
float turnSpeed = source.GetTurnSpeed();
float angle = Vector2.Angle(targetForward, sourceForward);
float radianToTurn = turnSpeed * deltaTime;
//BattleLog.Log("【NOD_TurnTo】angle:{0},{1}", angle, radianToTurn * Mathf.Rad2Deg);
if (angle < radianToTurn * Mathf.Rad2Deg)
{
source.Set2DForward(targetForward);
GameMsg.instance.SendMessage(GameMsgDef.Hero_TurnTo2D, new HeorTurnEventArgs()
{
id = source.id,
forward = targetForward,
});
return(TBTRunningStatus.FINISHED);
}
// 叉积算出方向 unity是左手坐标系，所以反过来了
Vector3 cross = Vector3.Cross(targetForward, sourceForward);
if (cross.z > 0)
{
radianToTurn = -radianToTurn;
}
Vector2 newForward = BattleMath.Vector2RotateFromRadian(sourceForward.x, sourceForward.y, radianToTurn);
//BattleLog.Log("【NOD_TurnTo】自己朝向：{0} 目标朝向：{1} 相隔角度：{2} 旋转弧度：{3} 叉乘：{4} 新的朝向：{5}", sourceForward.ToString(),targetForward.ToString(), angle.ToString(),(radianToTurn * Mathf.Rad2Deg).ToString(), cross.ToString(), newForward.ToString());
source.Set2DForward(newForward);
GameMsg.instance.SendMessage(GameMsgDef.Hero_TurnTo2D, new HeorTurnEventArgs()
{
id = source.id,
forward = newForward,
});
return(TBTRunningStatus.EXECUTING);
}
public override bool IsTrue(TBTWorkingData wData)
{
BattleBehaviorWorkingData behaviorData = wData as BattleBehaviorWorkingData;
BattleUnit owner = behaviorData.owner;
AIBehaviorRequest request = behaviorData.request;
Unit target = request.target;
Vector2 ownerPos = owner.Get2DPosition();
Vector2 targetPos = target.Get2DPosition();
Vector2 toForward = targetPos - ownerPos;
Vector2 ownerForward = owner.Get2DForward();
float angle = Vector2.Angle(toForward, ownerForward);
//BattleLog.Log("【CON_IsAngleNeedTurnTo】angle:{0}", angle);
return(angle > 0.1f);
}
protected override int onExecute(TBTWorkingData wData)
{
BattleBehaviorWorkingData behaviorData = wData as BattleBehaviorWorkingData;
float deltaTime = behaviorData.deltaTime;
BattleUnit source = behaviorData.owner;
AIBehaviorRequest request = behaviorData.request;
Unit target = request.target;
Vector2 ownerPos = source.Get2DPosition();
Vector2 targetPos = target.Get2DPosition();
float attackRange = source.GetAttackRange();
float distance = (targetPos - ownerPos).magnitude;
if (distance <= attackRange)
{
return(TBTRunningStatus.FINISHED);
}
float moveSpeed = source.GetMoveSpeed();
float detalTime = behaviorData.deltaTime;
float toForwardX = (targetPos.x - ownerPos.x) / distance;
float toForwardZ = (targetPos.y - ownerPos.y) / distance;
float newPosX = ownerPos.x + detalTime * moveSpeed * toForwardX;
float newPosZ = ownerPos.y + detalTime * moveSpeed * toForwardZ;
source.Set2DPosition(newPosX, newPosZ);
//BattleLog.Log("【NOD_MoveTo】移动速度：{0} 当前位置：{1},{2} 目标位置：{3},{4} newPosX：{5} newPosZ：{6}}",
// moveSpeed.ToString(), ownerPos.x.ToString(),ownerPos.y.ToString(), targetPos.x.ToString(),targetPos.y.ToString()
// ,newPosX.ToString(),newPosZ.ToString());
GameMsg.instance.SendMessage(GameMsgDef.Hero_MoveTo, new HeorMoveEventArgs()
{
id = source.id,
targetPos = new Vector3(newPosX, 0, newPosZ),
forward = new Vector3(toForwardX, 0, toForwardZ)
});
return(TBTRunningStatus.EXECUTING);
}