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98 lines
2.6 KiB
98 lines
2.6 KiB
// NextBotComponentInterface.h
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// Interface for all components
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// Author: Michael Booth, May 2006
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// Copyright (c) 2006 Turtle Rock Studios, Inc. - All Rights Reserved
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#ifndef _NEXT_BOT_COMPONENT_INTERFACE_H_
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#define _NEXT_BOT_COMPONENT_INTERFACE_H_
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#include "NextBotEventResponderInterface.h"
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class INextBot;
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class Path;
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class CGameTrace;
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class CTakeDamageInfo;
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//--------------------------------------------------------------------------------------------------------------------------
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/**
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* Various processes can invoke a "reply" (ie: callback) via instances of this interface
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*/
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class INextBotReply
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{
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public:
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virtual void OnSuccess( INextBot *bot ) { } // invoked when process completed successfully
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enum FailureReason
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{
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DENIED,
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INTERRUPTED,
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FAILED
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};
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virtual void OnFail( INextBot *bot, FailureReason reason ) { } // invoked when process failed
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};
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//--------------------------------------------------------------------------------------------------------------------------
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/**
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* Next Bot component interface
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*/
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class INextBotComponent : public INextBotEventResponder
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{
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public:
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INextBotComponent( INextBot *bot );
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virtual ~INextBotComponent() { }
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virtual void Reset( void ) { m_lastUpdateTime = 0; m_curInterval = TICK_INTERVAL; } // reset to initial state
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virtual void Update( void ) = 0; // update internal state
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virtual void Upkeep( void ) { } // lightweight update guaranteed to occur every server tick
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inline bool ComputeUpdateInterval(); // return false is no time has elapsed (interval is zero)
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inline float GetUpdateInterval();
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virtual INextBot *GetBot( void ) const { return m_bot; }
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private:
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float m_lastUpdateTime;
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float m_curInterval;
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friend class INextBot;
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INextBot *m_bot;
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INextBotComponent *m_nextComponent; // simple linked list of components in the bot
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};
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inline bool INextBotComponent::ComputeUpdateInterval()
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{
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if ( m_lastUpdateTime )
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{
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float interval = gpGlobals->curtime - m_lastUpdateTime;
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const float minInterval = 0.0001f;
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if ( interval > minInterval )
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{
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m_curInterval = interval;
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m_lastUpdateTime = gpGlobals->curtime;
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return true;
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}
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return false;
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}
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// First update - assume a reasonable interval.
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// We need the very first update to do work, for cases
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// where the bot was just created and we need to propagate
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// an event to it immediately.
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m_curInterval = 0.033f;
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m_lastUpdateTime = gpGlobals->curtime - m_curInterval;
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return true;
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}
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inline float INextBotComponent::GetUpdateInterval()
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{
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return m_curInterval;
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}
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#endif // _NEXT_BOT_COMPONENT_INTERFACE_H_
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