74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//=============================================================================//
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// nav.h
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// Data structures and constants for the Navigation Mesh system
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// Author: Michael S. Booth (mike@turtlerockstudios.com), January 2003
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#ifndef _CS_NAV_H_
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#define _CS_NAV_H_
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#include "nav.h"
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/**
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* Below are several constants used by the navigation system.
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* @todo Move these into TheNavMesh singleton.
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*/
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const float BotRadius = 10.0f; ///< circular extent that contains bot
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class CNavArea;
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class CSNavNode;
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#if 0
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Return true if given entity can be ignored when moving
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*/
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#define WALK_THRU_DOORS 0x01
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#define WALK_THRU_BREAKABLES 0x02
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#define WALK_THRU_TOGGLE_BRUSHES 0x04
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#define WALK_THRU_EVERYTHING (WALK_THRU_DOORS | WALK_THRU_BREAKABLES | WALK_THRU_TOGGLE_BRUSHES)
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inline bool IsEntityWalkable( CBaseEntity *entity, unsigned int flags )
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{
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if (FClassnameIs( entity, "worldspawn" ))
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return false;
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if (FClassnameIs( entity, "player" ))
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return false;
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// if we hit a door, assume its walkable because it will open when we touch it
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if (FClassnameIs( entity, "prop_door*" ) || FClassnameIs( entity, "func_door*" ))
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return (flags & WALK_THRU_DOORS) ? true : false;
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// if we hit a clip brush, ignore it if it is not BRUSHSOLID_ALWAYS
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if (FClassnameIs( entity, "func_brush" ))
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{
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CFuncBrush *brush = (CFuncBrush *)entity;
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switch ( brush->m_iSolidity )
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{
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case CFuncBrush::BRUSHSOLID_ALWAYS:
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return false;
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case CFuncBrush::BRUSHSOLID_NEVER:
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return true;
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case CFuncBrush::BRUSHSOLID_TOGGLE:
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return (flags & WALK_THRU_TOGGLE_BRUSHES) ? true : false;
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}
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}
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// if we hit a breakable object, assume its walkable because we will shoot it when we touch it
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if (FClassnameIs( entity, "func_breakable" ) && entity->GetHealth() && entity->m_takedamage == DAMAGE_YES)
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return (flags & WALK_THRU_BREAKABLES) ? true : false;
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if (FClassnameIs( entity, "func_breakable_surf" ) && entity->m_takedamage == DAMAGE_YES)
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return (flags & WALK_THRU_BREAKABLES) ? true : false;
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return false;
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}
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#endif
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#endif // _CS_NAV_H_
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