70 lines
2.0 KiB
C#
70 lines
2.0 KiB
C#
using ColdMint.scripts.character;
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using ColdMint.scripts.weapon;
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using Godot;
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namespace ColdMint.scripts.behaviorTree.ai;
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/// <summary>
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/// <para>Deal with AI picking up items</para>
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/// <para>处理AI拾起物品的行为</para>
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/// </summary>
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public class AIPickNode : 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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if (Character.CurrentItem != null)
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{
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//If the character already has the item, we don't pick it up
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//如果角色已经持有物品了，我们就不再拾取
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return Config.BehaviorTreeResult.Success;
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}
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//Find the nearest item
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//查找距离最近的物品
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var childCount = Character.PickingRangeBodies.Length;
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if (childCount == 0)
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{
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//We can't pick things up without them
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//没有物品，我们不能捡起
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return Config.BehaviorTreeResult.Failure;
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}
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//The closest weapon
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//距离最近的武器
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WeaponTemplate closestWeapon = null;
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var closestDistance = float.MaxValue;
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foreach (var weaponTemplate in Character.GetCanPickedWeapon())
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{
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//If it's a weapon
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//如果是武器
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var distance = weaponTemplate.GlobalPosition - Character.GlobalPosition;
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var distanceLength = distance.Length();
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if (distanceLength < closestDistance)
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{
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closestDistance = distanceLength;
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closestWeapon = weaponTemplate;
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}
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}
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//绘制一条线，从AI到武器
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// Draw a line from AI to weapon
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if (closestWeapon != null)
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{
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//If we find the nearest weapon
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//如果找到了最近的武器
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Character.PickItem(closestWeapon);
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}
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return Config.BehaviorTreeResult.Success;
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}
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} |