68 lines
2.0 KiB
C#
68 lines
2.0 KiB
C#
using ColdMint.scripts.character;
|
||
using ColdMint.scripts.weapon;
|
||
|
||
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 distanceLength = weaponTemplate.GlobalPosition.DistanceTo(Character.GlobalPosition);
|
||
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;
|
||
}
|
||
} |