89 lines
3.0 KiB
C#
89 lines
3.0 KiB
C#
using ColdMint.scripts.camp;
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using ColdMint.scripts.character;
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namespace ColdMint.scripts.behaviorTree.ai;
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/// <summary>
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/// <para>AI attack node</para>
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/// <para>AI的攻击节点</para>
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/// </summary>
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public class AiAttackNode : BehaviorTreeNodeTemplate
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{
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public AiCharacter? Character { get; set; }
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public override int Execute(bool isPhysicsProcess, double delta)
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{
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if (Character == null)
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{
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return Config.BehaviorTreeResult.Failure;
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}
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var nodesInTheAttackRange = Character.NodesInTheAttackRange;
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if (nodesInTheAttackRange.Length == 0)
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{
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//No nodes are in range of the attack
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//没有节点在攻击范围内
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return Config.BehaviorTreeResult.Failure;
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}
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//Save the nearest enemy
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//保存最近的敌人
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CharacterTemplate? closestEnemy = null;
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var closestDistance = float.MaxValue;
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var selfCamp = CampManager.GetCamp(Character.CampId);
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foreach (var node in nodesInTheAttackRange)
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{
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if (node is not CharacterTemplate characterTemplate)
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{
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continue;
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}
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if (node == Character)
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{
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continue;
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}
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var characterCamp = CampManager.GetCamp(characterTemplate.CampId);
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var canCause = CampManager.CanCauseHarm(selfCamp, characterCamp);
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if (!canCause)
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{
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continue;
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}
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if (selfCamp == null || characterCamp == null)
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{
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continue;
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}
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if (selfCamp.Id == characterCamp.Id)
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{
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//If it is the same side, do not attack, if allowed friend damage, this code will prevent the AI from actively attacking the player.
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//如果是同一阵营，不攻击，如果允许友伤，这段代码会阻止AI主动攻击玩家。
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continue;
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}
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var distance = characterTemplate.GlobalPosition.DistanceTo(Character.GlobalPosition);
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if (distance < closestDistance)
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{
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closestDistance = distance;
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closestEnemy = characterTemplate;
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}
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}
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if (closestEnemy != null && Character.AttackObstacleDetection != null)
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{
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//With the nearest enemy and no obstacles
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//有距离最近的敌人，且没有障碍物
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var distanceVector2 = closestEnemy.GlobalPosition - Character.GlobalPosition;
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Character.AttackObstacleDetection.TargetPosition = distanceVector2;
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if (Character.AttackObstacleDetection.GetCollider() == null)
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{
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Character.StopMoving();
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Character.AimTheCurrentItemAtAPoint(closestEnemy.GlobalPosition);
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Character.UseItem(closestEnemy.GlobalPosition);
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}
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}
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return Config.BehaviorTreeResult.Success;
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}
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} |