74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
//===== Copyright © 1996-2005, Valve Corporation, All rights reserved. ======//
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//
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// Purpose: Used to deal with AI navigation
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//
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// $Workfile: $
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// $Date: $
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//===========================================================================//
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#ifndef AI_LINK_H
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#define AI_LINK_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "ai_hull.h" // For num hulls
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enum Link_Info_t
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{
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bits_LINK_STALE_SUGGESTED = 0x01, // NPC found this link to be blocked
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bits_LINK_OFF = 0x02, // This link has been turned off
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bits_LINK_PRECISE_MOVEMENT = 0x04, // This link requires precise movement near it (for moving through doors for NPCs w/ sloppy movement)
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bits_PREFER_AVOID = 0x08, // This link has been marked as to prefer not to use it
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bits_LINK_ASW_BASHABLE = 0x10, // This link is marked as blocked by a door that certain NPCs can break down
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};
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// for most purposes a bashable door link is considered impassable (only special case NPCs can break them down and they
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// need custom behaviors)
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//=============================================================================
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// >> CAI_Link
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//=============================================================================
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class CAI_DynamicLink;
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#define AI_MOVE_TYPE_BITS ( bits_CAP_MOVE_GROUND | bits_CAP_MOVE_JUMP | bits_CAP_MOVE_FLY | bits_CAP_MOVE_CLIMB | bits_CAP_MOVE_SWIM | bits_CAP_MOVE_CRAWL )
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class CAI_Link
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{
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public:
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short m_iSrcID; // the node that 'owns' this link
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short m_iDestID; // the node on the other end of the link.
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inline int DestNodeID( int srcID ); // Given the source node ID, returns the destination ID
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byte m_iAcceptedMoveTypes[NUM_HULLS]; // Capability_T of motions acceptable for each hull type
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byte m_LinkInfo; // other information about this link
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float m_timeStaleExpires;
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int m_nDangerCount; // How many dangerous things are near this link?
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CAI_DynamicLink *m_pDynamicLink;
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private:
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friend class CAI_Network;
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CAI_Link(void);
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};
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//-----------------------------------------------------------------------------
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// Purpose: Given the source node ID, returns the destination ID
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// Input :
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// Output :
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//-----------------------------------------------------------------------------
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inline int CAI_Link::DestNodeID(int srcID)
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{
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// hardware op for ( srcID==m_iSrcID ? m_iDestID : m_iSrcID )
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return ieqsel( srcID, m_iSrcID, m_iDestID, m_iSrcID );
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}
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#endif // AI_LINK_H
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