64 lines
2.4 KiB
C#
64 lines
2.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using Schema;
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using UnityEngine;
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using UnityEngine.AI;
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using VOID.Generic.Objects.Unit;
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using VOID.Generic.Util;
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using Action = Schema.Action;
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namespace VOID.Generic.AI.Schema.Actions
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{
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[Description("Gets point where ThisUnit can go with current MovementPoints towards given destination point")]
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[Category(SchemaCategory.CombatThisUnit)]
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public class GetReachablePosition : Action
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{
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private enum DestinationType
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{
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Position,
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Unit
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}
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[SerializeField] private DestinationType _destinationType;
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[SerializeField] private BlackboardEntrySelector<UnitObject> _toUnit;
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[SerializeField] private BlackboardEntrySelector<Vector3> _toPosition;
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[SerializeField, WriteOnly, Space(15)] private BlackboardEntrySelector<Vector3> _saveTo;
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public override NodeStatus Tick(object nodeMemory, SchemaAgent agent)
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{
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var thisUnit = ((UnitObjectSchemaAgent)agent).unit;
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if (!thisUnit.basicState.turnManager) return NodeStatus.Failure;
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// Whole path to destination
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var path = _destinationType switch
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{
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DestinationType.Position => GetPathToPosition(thisUnit),
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DestinationType.Unit => GetPathToUnit(thisUnit),
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_ => throw new ArgumentOutOfRangeException()
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};
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var movePoints = thisUnit.unitData.currentResources.movePoints;
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// Path can't be calculated
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if (thisUnit.unitNavAgent.GetPath().status is NavMeshPathStatus.PathInvalid) return NodeStatus.Failure;
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// Reachable path (within move points range) and its last possible point
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NavMeshPathUtil.SplitPath(path.ToArray(), movePoints, out var reachablePath, out _);
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_saveTo.value = reachablePath.Last();
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return NodeStatus.Success;
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}
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private List<Vector3> GetPathToPosition(UnitObject thisUnit)
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{
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thisUnit.unitNavAgent.CalculatePathTo(_toPosition.value);
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return thisUnit.unitNavAgent.GetCorrectedPath();
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}
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private List<Vector3> GetPathToUnit(UnitObject thisUnit)
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{
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thisUnit.unitNavAgent.CalculatePathTo(_toUnit.value);
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return thisUnit.unitNavAgent.GetCorrectedPath();
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}
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}
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} |