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Simeon Radivoev 2022-02-12 12:53:50 +02:00
commit ee5c2f922d
Signed by: simeonradivoev
GPG key ID: 7611A451D2A5D37A
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116
Assets/Scripts/AI/FSM/PerformActionStateSystem.cs Normal file
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using DefaultNamespace;
using System.Collections.Generic;
using Unity.Collections;
using Unity.Entities;
namespace AI.FSM
{
[UpdateInGroup(typeof(SimulationSystemGroup)), UpdateAfter(typeof(EventRemovalSystem))]
public class PerformActionStateSystem : ComponentSystem
{
protected override void OnUpdate()
{
using (var typesToRemove = new NativeList<KeyValuePair<Entity, ComponentType>>(8, Allocator.Temp))
{
Entities.ForEach(
(Entity entity, GoapAgentData agent, ref PerformActionState performAction) =>
{
var actions = EntityManager.GetBuffer<GoapActionReference>(entity);
var hasActions = actions.Length > 0;
if (!hasActions)
{
//finished actions
PostUpdateCommands.RemoveComponent<PerformActionState>(entity);
PostUpdateCommands.AddComponent(entity, new IdleState());
ClearCurrentActions(typesToRemove, entity, actions);
return;
}
for (var j = 0; j < actions.Length; j++)
{
var actionEntity = actions[j].Entity;
if (EntityManager.Exists(actionEntity) &&
EntityManager.TryGetComponentData<GoapActiveAction>(actionEntity, out var active) &&
EntityManager.TryGetSharedComponentData<GoapSharedAction>(actionEntity, out var action))
{
if (!EntityManager.HasComponent<GoapProcessingAction>(actionEntity))
{
PostUpdateCommands.AddComponent(actionEntity, new GoapProcessingAction());
}
if (active.Done)
{
var nextActionIndex = j + 1;
hasActions = nextActionIndex < actions.Length;
if (hasActions)
{
//make next tha action active
PostUpdateCommands.AddComponent(actions[nextActionIndex].Entity, new GoapActiveAction());
//remove active and processing from current action
PostUpdateCommands.RemoveComponent<GoapActiveAction>(actionEntity);
PostUpdateCommands.RemoveComponent<GoapProcessingAction>(actionEntity);
}
else
{
//finished actions
PostUpdateCommands.RemoveComponent<PerformActionState>(entity);
PostUpdateCommands.AddComponent(entity, new IdleState());
ClearCurrentActions(typesToRemove, entity, actions);
break;
}
}
if (action.RequiresInRange && !active.InRange)
{
// we need to move there first
PostUpdateCommands.RemoveComponent<PerformActionState>(entity);
PostUpdateCommands.RemoveComponent<GoapProcessingAction>(actionEntity);
PostUpdateCommands.AddComponent(entity, new MoveState());
break;
}
if (active.Fail)
{
// action failed, we need to plan again
PostUpdateCommands.RemoveComponent<PerformActionState>(entity);
PostUpdateCommands.AddComponent(entity, new IdleState());
ClearCurrentActions(typesToRemove, entity, actions);
}
break;
}
}
});
for (var i = 0; i < typesToRemove.Length; i++)
{
EntityManager.RemoveComponent(typesToRemove[i].Key, typesToRemove[i].Value);
}
}
}
private void ClearCurrentActions(
NativeList<KeyValuePair<Entity, ComponentType>> typesToRemove,
Entity entity,
DynamicBuffer<GoapActionReference> actions)
{
var componentType = ComponentType.ReadWrite<GoapActionReference>();
typesToRemove.Add(new KeyValuePair<Entity, ComponentType>(entity, componentType));
//remove processing or active tags
for (var i = 0; i < actions.Length; i++)
{
if (EntityManager.HasComponent<GoapActiveAction>(actions[i].Entity))
{
PostUpdateCommands.RemoveComponent<GoapActiveAction>(actions[i].Entity);
}
if (EntityManager.HasComponent<GoapProcessingAction>(actions[i].Entity))
{
PostUpdateCommands.RemoveComponent<GoapProcessingAction>(actions[i].Entity);
}
}
}
}
}