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This commit is contained in:
FluorescentCIAAfricanAmerican
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//========= 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_area.cpp
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// AI Navigation areas
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// Author: Michael S. Booth (mike@turtlerockstudios.com), January 2003
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#include "cbase.h"
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#include "cs_nav_mesh.h"
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#include "cs_nav_area.h"
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#include "nav_pathfind.h"
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#include "nav_colors.h"
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#include "fmtstr.h"
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#include "props_shared.h"
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#include "func_breakablesurf.h"
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#include "Color.h"
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#include "collisionutils.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include <tier0/memdbgon.h>
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#ifdef _WIN32
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#pragma warning (disable:4701) // disable warning that variable *may* not be initialized
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#endif
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Constructor used during normal runtime.
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*/
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CCSNavArea::CCSNavArea( void )
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{
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m_approachCount = 0;
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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Destructor
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*/
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CCSNavArea::~CCSNavArea()
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{
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}
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void CCSNavArea::OnServerActivate( void )
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{
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CNavArea::OnServerActivate();
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}
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void CCSNavArea::OnRoundRestart( void )
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{
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CNavArea::OnRoundRestart();
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}
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void CCSNavArea::Save( CUtlBuffer &fileBuffer, unsigned int version ) const
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{
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CNavArea::Save( fileBuffer, version );
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//
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// Save the approach areas for this area
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//
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// save number of approach areas
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fileBuffer.PutUnsignedChar(m_approachCount);
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// save approach area info
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for( int a=0; a<m_approachCount; ++a )
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{
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if (m_approach[a].here.area)
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fileBuffer.PutUnsignedInt(m_approach[a].here.area->GetID());
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else
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fileBuffer.PutUnsignedInt(0);
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if (m_approach[a].prev.area)
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fileBuffer.PutUnsignedInt(m_approach[a].prev.area->GetID());
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else
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fileBuffer.PutUnsignedInt(0);
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fileBuffer.PutUnsignedChar(m_approach[a].prevToHereHow);
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if (m_approach[a].next.area)
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fileBuffer.PutUnsignedInt(m_approach[a].next.area->GetID());
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else
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fileBuffer.PutUnsignedInt(0);
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fileBuffer.PutUnsignedChar(m_approach[a].hereToNextHow);
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}
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}
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NavErrorType CCSNavArea::Load( CUtlBuffer &fileBuffer, unsigned int version, unsigned int subVersion )
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{
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if ( version < 15 )
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return LoadLegacy(fileBuffer, version, subVersion);
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// load base class data
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NavErrorType error = CNavArea::Load( fileBuffer, version, subVersion );
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switch ( subVersion )
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{
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case 1:
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//
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// Load number of approach areas
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//
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m_approachCount = fileBuffer.GetUnsignedChar();
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// load approach area info (IDs)
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for( int a = 0; a < m_approachCount; ++a )
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{
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m_approach[a].here.id = fileBuffer.GetUnsignedInt();
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m_approach[a].prev.id = fileBuffer.GetUnsignedInt();
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m_approach[a].prevToHereHow = (NavTraverseType)fileBuffer.GetUnsignedChar();
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m_approach[a].next.id = fileBuffer.GetUnsignedInt();
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m_approach[a].hereToNextHow = (NavTraverseType)fileBuffer.GetUnsignedChar();
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}
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if ( !fileBuffer.IsValid() )
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error = NAV_INVALID_FILE;
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// fall through
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case 0:
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// legacy version
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break;
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default:
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Warning( "Unknown NavArea sub-version number\n" );
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error = NAV_INVALID_FILE;
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}
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return error;
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}
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NavErrorType CCSNavArea::PostLoad( void )
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{
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NavErrorType error = CNavArea::PostLoad();
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// resolve approach area IDs
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for ( int a = 0; a < m_approachCount; ++a )
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{
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m_approach[a].here.area = TheNavMesh->GetNavAreaByID( m_approach[a].here.id );
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if (m_approach[a].here.id && m_approach[a].here.area == NULL)
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{
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Msg( "CNavArea::PostLoad: Corrupt navigation data. Missing Approach Area (here).\n" );
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error = NAV_CORRUPT_DATA;
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}
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m_approach[a].prev.area = TheNavMesh->GetNavAreaByID( m_approach[a].prev.id );
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if (m_approach[a].prev.id && m_approach[a].prev.area == NULL)
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{
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Msg( "CNavArea::PostLoad: Corrupt navigation data. Missing Approach Area (prev).\n" );
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error = NAV_CORRUPT_DATA;
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}
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m_approach[a].next.area = TheNavMesh->GetNavAreaByID( m_approach[a].next.id );
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if (m_approach[a].next.id && m_approach[a].next.area == NULL)
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{
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Msg( "CNavArea::PostLoad: Corrupt navigation data. Missing Approach Area (next).\n" );
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error = NAV_CORRUPT_DATA;
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}
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}
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return error;
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}
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void CCSNavArea::Draw( void ) const
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{
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CNavArea::Draw();
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}
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void CCSNavArea::CustomAnalysis( bool isIncremental /*= false */ )
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{
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ComputeApproachAreas();
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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Load legacy navigation area from the file
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*/
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NavErrorType CCSNavArea::LoadLegacy( CUtlBuffer &fileBuffer, unsigned int version, unsigned int subVersion )
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{
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// load ID
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m_id = fileBuffer.GetUnsignedInt();
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// update nextID to avoid collisions
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if (m_id >= m_nextID)
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m_nextID = m_id+1;
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// load attribute flags
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if ( version <= 8 )
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{
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m_attributeFlags = fileBuffer.GetUnsignedChar();
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}
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else if ( version < 13 )
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{
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m_attributeFlags = fileBuffer.GetUnsignedShort();
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}
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else
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{
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m_attributeFlags = fileBuffer.GetInt();
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}
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// load extent of area
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fileBuffer.Get( &m_nwCorner, 3*sizeof(float) );
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fileBuffer.Get( &m_seCorner, 3*sizeof(float) );
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m_center.x = (m_nwCorner.x + m_seCorner.x)/2.0f;
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m_center.y = (m_nwCorner.y + m_seCorner.y)/2.0f;
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m_center.z = (m_nwCorner.z + m_seCorner.z)/2.0f;
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if ( ( m_seCorner.x - m_nwCorner.x ) > 0.0f && ( m_seCorner.y - m_nwCorner.y ) > 0.0f )
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{
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m_invDxCorners = 1.0f / ( m_seCorner.x - m_nwCorner.x );
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m_invDyCorners = 1.0f / ( m_seCorner.y - m_nwCorner.y );
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}
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else
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{
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m_invDxCorners = m_invDyCorners = 0;
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DevWarning( "Degenerate Navigation Area #%d at setpos %g %g %g\n",
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m_id, m_center.x, m_center.y, m_center.z );
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}
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// load heights of implicit corners
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m_neZ = fileBuffer.GetFloat();
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m_swZ = fileBuffer.GetFloat();
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CheckWaterLevel();
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// load connections (IDs) to adjacent areas
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// in the enum order NORTH, EAST, SOUTH, WEST
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for( int d=0; d<NUM_DIRECTIONS; d++ )
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{
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// load number of connections for this direction
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unsigned int count = fileBuffer.GetUnsignedInt();
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Assert( fileBuffer.IsValid() );
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m_connect[d].EnsureCapacity( count );
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for( unsigned int i=0; i<count; ++i )
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{
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NavConnect connect;
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connect.id = fileBuffer.GetUnsignedInt();
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Assert( fileBuffer.IsValid() );
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// don't allow self-referential connections
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if ( connect.id != m_id )
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{
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m_connect[d].AddToTail( connect );
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}
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}
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}
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//
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// Load hiding spots
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//
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// load number of hiding spots
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unsigned char hidingSpotCount = fileBuffer.GetUnsignedChar();
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if (version == 1)
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{
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// load simple vector array
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Vector pos;
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for( int h=0; h<hidingSpotCount; ++h )
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{
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fileBuffer.Get( &pos, 3 * sizeof(float) );
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// create new hiding spot and put on master list
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HidingSpot *spot = TheNavMesh->CreateHidingSpot();
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spot->SetPosition( pos );
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spot->SetFlags( HidingSpot::IN_COVER );
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m_hidingSpots.AddToTail( spot );
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}
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}
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else
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{
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// load HidingSpot objects for this area
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for( int h=0; h<hidingSpotCount; ++h )
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{
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// create new hiding spot and put on master list
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HidingSpot *spot = TheNavMesh->CreateHidingSpot();
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spot->Load( fileBuffer, version );
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m_hidingSpots.AddToTail( spot );
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}
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}
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if ( version < 15 )
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{
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//
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// Load number of approach areas
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//
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m_approachCount = fileBuffer.GetUnsignedChar();
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// load approach area info (IDs)
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for( int a = 0; a < m_approachCount; ++a )
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{
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m_approach[a].here.id = fileBuffer.GetUnsignedInt();
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m_approach[a].prev.id = fileBuffer.GetUnsignedInt();
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m_approach[a].prevToHereHow = (NavTraverseType)fileBuffer.GetUnsignedChar();
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m_approach[a].next.id = fileBuffer.GetUnsignedInt();
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m_approach[a].hereToNextHow = (NavTraverseType)fileBuffer.GetUnsignedChar();
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}
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}
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//
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// Load encounter paths for this area
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//
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unsigned int count = fileBuffer.GetUnsignedInt();
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if (version < 3)
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{
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// old data, read and discard
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for( unsigned int e=0; e<count; ++e )
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{
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SpotEncounter encounter;
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encounter.from.id = fileBuffer.GetUnsignedInt();
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encounter.to.id = fileBuffer.GetUnsignedInt();
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fileBuffer.Get( &encounter.path.from.x, 3 * sizeof(float) );
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fileBuffer.Get( &encounter.path.to.x, 3 * sizeof(float) );
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// read list of spots along this path
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unsigned char spotCount = fileBuffer.GetUnsignedChar();
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for( int s=0; s<spotCount; ++s )
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{
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fileBuffer.GetFloat();
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fileBuffer.GetFloat();
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fileBuffer.GetFloat();
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fileBuffer.GetFloat();
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}
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}
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return NAV_OK;
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}
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for( unsigned int e=0; e<count; ++e )
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{
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SpotEncounter *encounter = new SpotEncounter;
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encounter->from.id = fileBuffer.GetUnsignedInt();
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unsigned char dir = fileBuffer.GetUnsignedChar();
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encounter->fromDir = static_cast<NavDirType>( dir );
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encounter->to.id = fileBuffer.GetUnsignedInt();
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dir = fileBuffer.GetUnsignedChar();
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encounter->toDir = static_cast<NavDirType>( dir );
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// read list of spots along this path
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unsigned char spotCount = fileBuffer.GetUnsignedChar();
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SpotOrder order;
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for( int s=0; s<spotCount; ++s )
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{
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order.id = fileBuffer.GetUnsignedInt();
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unsigned char t = fileBuffer.GetUnsignedChar();
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order.t = (float)t/255.0f;
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encounter->spots.AddToTail( order );
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}
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m_spotEncounters.AddToTail( encounter );
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}
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if (version < 5)
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return NAV_OK;
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//
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// Load Place data
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//
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PlaceDirectory::IndexType entry = fileBuffer.GetUnsignedShort();
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// convert entry to actual Place
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SetPlace( placeDirectory.IndexToPlace( entry ) );
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if ( version < 7 )
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return NAV_OK;
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// load ladder data
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for ( int dir=0; dir<CNavLadder::NUM_LADDER_DIRECTIONS; ++dir )
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{
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count = fileBuffer.GetUnsignedInt();
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for( unsigned int i=0; i<count; ++i )
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{
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NavLadderConnect connect;
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connect.id = fileBuffer.GetUnsignedInt();
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bool alreadyConnected = false;
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FOR_EACH_VEC( m_ladder[dir], j )
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{
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if ( m_ladder[dir][j].id == connect.id )
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{
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alreadyConnected = true;
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break;
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}
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}
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if ( !alreadyConnected )
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{
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m_ladder[dir].AddToTail( connect );
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}
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}
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}
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if ( version < 8 )
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return NAV_OK;
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// load earliest occupy times
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for( int i=0; i<MAX_NAV_TEAMS; ++i )
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{
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// no spot in the map should take longer than this to reach
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m_earliestOccupyTime[i] = fileBuffer.GetFloat();
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}
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if ( version < 11 )
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return NAV_OK;
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// load light intensity
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for ( int i=0; i<NUM_CORNERS; ++i )
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{
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m_lightIntensity[i] = fileBuffer.GetFloat();
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}
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if ( version < 16 )
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return NAV_OK;
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// load visibility information
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unsigned int visibleAreaCount = fileBuffer.GetUnsignedInt();
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if ( !IsX360() )
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{
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m_potentiallyVisibleAreas.EnsureCapacity( visibleAreaCount );
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}
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else
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{
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/* TODO: Re-enable when latest 360 code gets integrated (MSB 5/5/09)
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size_t nBytes = visibleAreaCount * sizeof( AreaBindInfo );
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m_potentiallyVisibleAreas.~CAreaBindInfoArray();
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new ( &m_potentiallyVisibleAreas ) CAreaBindInfoArray( (AreaBindInfo *)engine->AllocLevelStaticData( nBytes ), visibleAreaCount );
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*/
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}
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for( unsigned int j=0; j<visibleAreaCount; ++j )
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{
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AreaBindInfo info;
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info.id = fileBuffer.GetUnsignedInt();
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info.attributes = fileBuffer.GetUnsignedChar();
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m_potentiallyVisibleAreas.AddToTail( info );
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}
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// read area from which we inherit visibility
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m_inheritVisibilityFrom.id = fileBuffer.GetUnsignedInt();
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return NAV_OK;
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}
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