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