botstates.c

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class BotStateBase
{
    PlayerBase m_Owner; 
    Bot m_Bot; 
    BotStateBase m_ParentState; 
    ref BotFSM m_FSM; 
 
    void BotStateBase (Bot bot = NULL, BotStateBase parent = NULL) { m_Bot = bot; m_Owner = bot.m_Owner; m_ParentState = parent; }
    
    PlayerBase GetPlayerOwner() { return m_Owner; }

    void SetParentState (BotStateBase parent) { m_ParentState = parent; }
    BotStateBase GetParentState () { return m_ParentState; }
 
    bool HasFSM () { return m_FSM != NULL; }
    BotFSM GetFSM () { return m_FSM; }
 
    bool ProcessEvent (BotEventBase e)
    {
        if (HasFSM())
            return m_FSM.ProcessEvent(e);
        return false;
    }

    void AddTransition (FSMTransition<BotStateBase, BotEventBase, BotActionBase, BotGuardBase> t)
    {
        if (HasFSM())
            m_FSM.AddTransition(t);
        else
            Error("[botfsm] adding transition to state without FSM. Configure FSM first.");
    }
 

    void OnEntry (BotEventBase e)
    {
        if (HasFSM() && !m_FSM.IsRunning())
        {
            botDebugPrint("[botfsm] { " + this.Type().ToString() + "  Has Sub-FSM! Starting submachine...");
            m_FSM.Start(e);
        }
        else
            botDebugPrint("[botfsm] { " + this.Type().ToString());
    }

    void OnUpdate (float dt)
    {
        if (HasFSM() && m_FSM.IsRunning())
            m_FSM.GetCurrentState().OnUpdate(dt);
    }

    void OnAbort (BotEventBase e)
    {
        if (HasFSM() && m_FSM.IsRunning())
        {
            botDebugPrint("[botfsm] OnAbort " + this.Type().ToString() + "  Has Sub-FSM! Aborting submachine...");
            m_FSM.Abort(e);
        }
        botDebugPrint("[botfsm] } ABORTED " + this.Type().ToString());
    }

    void OnExit (BotEventBase e)
    {
        botDebugPrint("[botfsm] } " + this.Type().ToString());
    }

    bool IsWaitingForActionFinish () { return HasFSM() && m_FSM.IsRunning() && m_FSM.GetCurrentState().IsWaitingForActionFinish(); }

    bool IsIdle () { return false; }

    void OnSubMachineChanged (BotStateBase src, BotStateBase dst) { }
    
    void OnStateChanged (BotStateBase src, BotStateBase dst) { }
};
 
class BotStateIdle : BotStateBase
{
    void BotStateIdle (Bot bot = NULL, BotStateBase parent = NULL) { m_Bot = bot; m_Owner = m_Bot.m_Owner; m_ParentState = parent; }
 
    override bool IsIdle () { return true; }
};