351 lines
10 KiB
C++
351 lines
10 KiB
C++
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// nav_merge.cpp
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// Save/merge for partial nav meshes
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// Copyright 2005 Turtle Rock Studios, Inc.
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#include "cbase.h"
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#include "fmtstr.h"
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#include "tier0/vprof.h"
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#include "utldict.h"
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#include "nav_mesh.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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//--------------------------------------------------------------------------------------------------------
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void CNavArea::SaveToSelectedSet( KeyValues *areaKey ) const
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{
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const char *placeName = TheNavMesh->PlaceToName( GetPlace() );
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areaKey->SetString( "Place", (placeName)?placeName:"" );
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areaKey->SetInt( "Attributes", GetAttributes() );
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}
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//--------------------------------------------------------------------------------------------------------
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void CNavArea::RestoreFromSelectedSet( KeyValues *areaKey )
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{
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SetPlace( TheNavMesh->NameToPlace( areaKey->GetString( "Place" ) ) );
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SetAttributes( areaKey->GetInt( "Attributes" ) );
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}
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//--------------------------------------------------------------------------------------------------------
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class BuildSelectedSet
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{
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public:
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BuildSelectedSet( KeyValues *kv )
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{
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m_kv = kv;
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m_areaCount = 0;
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}
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bool operator() ( CNavArea *area )
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{
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CFmtStrN<32> name( "%d", area->GetID() );
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KeyValues *areaKey = m_kv->FindKey( name.Access(), true );
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if ( areaKey )
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{
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++m_areaCount;
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WriteCorner( area, areaKey, NORTH_WEST, "NorthWest" );
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WriteCorner( area, areaKey, NORTH_EAST, "NorthEast" );
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WriteCorner( area, areaKey, SOUTH_WEST, "SouthWest" );
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WriteCorner( area, areaKey, SOUTH_EAST, "SouthEast" );
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WriteConnections( area, areaKey, NORTH, "North" );
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WriteConnections( area, areaKey, SOUTH, "South" );
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WriteConnections( area, areaKey, EAST, "East" );
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WriteConnections( area, areaKey, WEST, "West" );
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area->SaveToSelectedSet( areaKey );
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}
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return true;
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}
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int Count( void ) const
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{
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return m_areaCount;
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}
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private:
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void WriteCorner( CNavArea *area, KeyValues *areaKey, NavCornerType corner, const char *cornerName )
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{
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KeyValues *cornerKey = areaKey->FindKey( cornerName, true );
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if ( cornerKey )
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{
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Vector pos = area->GetCorner( corner );
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cornerKey->SetFloat( "x", pos.x );
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cornerKey->SetFloat( "y", pos.y );
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cornerKey->SetFloat( "z", pos.z );
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}
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}
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void WriteConnections( CNavArea *area, KeyValues *areaKey, NavDirType dir, const char *dirName )
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{
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KeyValues *dirKey = areaKey->FindKey( dirName, true );
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if ( dirKey )
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{
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for ( int i=0; i<area->GetAdjacentCount( dir ); ++i )
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{
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CNavArea *other = area->GetAdjacentArea( dir, i );
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if ( other && TheNavMesh->IsInSelectedSet( other ) )
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{
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CFmtStrN<32> name( "%d", i );
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dirKey->SetInt( name.Access(), other->GetID() );
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}
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}
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}
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}
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int m_areaCount;
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KeyValues *m_kv;
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};
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//--------------------------------------------------------------------------------------------------------
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void CNavMesh::CommandNavSaveSelected( const CCommand &args )
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{
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KeyValues *data = new KeyValues( "Selected Nav Areas" );
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data->SetInt( "version", 1 );
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BuildSelectedSet setBuilder( data );
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TheNavMesh->ForAllSelectedAreas( setBuilder );
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if ( !setBuilder.Count() )
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{
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Msg( "Not saving empty selected set to disk.\n" );
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data->deleteThis();
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return;
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}
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char fname[32];
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char path[MAX_PATH];
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if ( args.ArgC() == 2 )
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{
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V_FileBase( args[0], fname, sizeof( fname ) );
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}
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else
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{
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V_strncpy( fname, STRING( gpGlobals->mapname ), sizeof( fname ) );
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}
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int i;
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for ( i=0; i<1000; ++i )
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{
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V_snprintf( path, sizeof( path ), "maps/%s_selected_%4.4d.txt", fname, i );
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if ( !filesystem->FileExists( path ) )
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{
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break;
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}
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}
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if ( i == 1000 )
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{
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Msg( "Unable to find a filename to save the selected set to disk.\n" );
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data->deleteThis();
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return;
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}
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if ( !data->SaveToFile( filesystem, path ) )
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{
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Msg( "Unable to save the selected set to disk.\n" );
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}
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Msg( "Selected set saved to %s. Use 'nav_merge_mesh %s_selected_%4.4d' to merge it into another mesh.\n", path, fname, i );
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data->deleteThis();
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}
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//--------------------------------------------------------------------------------------------------------
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CON_COMMAND_F( nav_save_selected, "Writes the selected set to disk for merging into another mesh via nav_merge_mesh.", FCVAR_GAMEDLL | FCVAR_CHEAT )
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{
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if ( !UTIL_IsCommandIssuedByServerAdmin() )
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return;
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TheNavMesh->CommandNavSaveSelected( args );
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}
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//--------------------------------------------------------------------------------------------------------
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Vector ReadCorner( KeyValues *areaKey, const char *cornerName )
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{
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Vector pos( vec3_origin );
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KeyValues *cornerKey = areaKey->FindKey( cornerName, false );
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if ( cornerKey )
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{
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pos.x = cornerKey->GetFloat( "x" );
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pos.y = cornerKey->GetFloat( "y" );
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pos.z = cornerKey->GetFloat( "z" );
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}
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return pos;
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}
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//--------------------------------------------------------------------------------------------------------
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void ReconnectMergedArea( CUtlDict< CNavArea *, int > &newAreas, KeyValues *areaKey, NavDirType dir, const char *dirName )
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{
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int index = newAreas.Find( areaKey->GetName() );
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if ( index == newAreas.InvalidIndex() )
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{
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Assert( false );
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return;
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}
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CNavArea *area = newAreas[index];
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KeyValues *dirKey = areaKey->FindKey( dirName, true );
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if ( dirKey )
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{
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KeyValues *connection = dirKey->GetFirstValue();
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while ( connection )
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{
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const char *otherID = connection->GetString();
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int otherIndex = newAreas.Find( otherID );
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Assert( otherIndex != newAreas.InvalidIndex() );
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if ( otherIndex != newAreas.InvalidIndex() )
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{
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CNavArea *other = newAreas[otherIndex];
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area->ConnectTo( other, dir ); // only a 1-way connection. the other area will connect back to us.
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}
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connection = connection->GetNextValue();
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}
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}
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}
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//--------------------------------------------------------------------------------------------------------
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void CNavMesh::CommandNavMergeMesh( const CCommand &args )
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{
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if ( args.ArgC() != 2 )
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{
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Msg( "Usage: nav_merge_mesh filename\n" );
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return;
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}
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char fname[64];
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char path[MAX_PATH];
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V_FileBase( args[1], fname, sizeof( fname ) );
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V_snprintf( path, sizeof( path ), "maps/%s.txt", fname );
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KeyValues *data = new KeyValues( "Nav Selected Set" );
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if ( !data->LoadFromFile( filesystem, path ) )
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{
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Msg( "Unable to load %s.\n", path );
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}
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else
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{
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// Loaded the data - plug it into the existing mesh!
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// First add the areas, and put them in the correct places. We can save off the new area ID
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// at the same time.
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CUtlDict< CNavArea *, int > newAreas;
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CUtlVector< CNavArea * > areaVector;
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KeyValues *areaKey = data->GetFirstSubKey();
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while ( areaKey )
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{
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Vector northWest = ReadCorner( areaKey, "NorthWest" );
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Vector northEast = ReadCorner( areaKey, "NorthEast" );
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Vector southWest = ReadCorner( areaKey, "SouthWest" );
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Vector southEast = ReadCorner( areaKey, "SouthEast" );
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CNavArea *newArea = TheNavMesh->CreateArea();
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if (newArea == NULL)
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{
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Warning( "nav_merge_mesh: Out of memory\n" );
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return;
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}
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newArea->Build( northWest, northEast, southEast, southWest );
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TheNavAreas.AddToTail( newArea );
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TheNavMesh->AddNavArea( newArea );
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areaVector.AddToTail( newArea );
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// save the new ID for connections
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int index = newAreas.Find( areaKey->GetName() );
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Assert( index == newAreas.InvalidIndex() );
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if ( index == newAreas.InvalidIndex() )
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{
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newAreas.Insert( areaKey->GetName(), newArea );
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}
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// Restore additional data
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newArea->RestoreFromSelectedSet( areaKey );
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areaKey = areaKey->GetNextKey();
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}
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// Go back and reconnect the new areas to each other
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areaKey = data->GetFirstSubKey();
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while ( areaKey )
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{
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ReconnectMergedArea( newAreas, areaKey, NORTH, "North" );
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ReconnectMergedArea( newAreas, areaKey, SOUTH, "South" );
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ReconnectMergedArea( newAreas, areaKey, EAST, "East" );
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ReconnectMergedArea( newAreas, areaKey, WEST, "West" );
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areaKey = areaKey->GetNextKey();
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}
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// Connect selected areas with pre-existing areas
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StitchAreaSet( &areaVector );
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}
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data->deleteThis();
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}
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//--------------------------------------------------------------------------------------------------------
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int NavMeshMergeAutocomplete( char const *partial, char commands[ COMMAND_COMPLETION_MAXITEMS ][ COMMAND_COMPLETION_ITEM_LENGTH ] )
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{
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char *commandName = "nav_merge_mesh";
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int numMatches = 0;
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partial += Q_strlen( commandName ) + 1;
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int partialLength = Q_strlen( partial );
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FileFindHandle_t findHandle;
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char txtFilenameNoExtension[ MAX_PATH ];
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const char *txtFilename = filesystem->FindFirstEx( "maps/*_selected_*.txt", "MOD", &findHandle );
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while ( txtFilename )
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{
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Q_FileBase( txtFilename, txtFilenameNoExtension, sizeof( txtFilenameNoExtension ) );
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if ( !Q_strnicmp( txtFilenameNoExtension, partial, partialLength ) && V_stristr( txtFilenameNoExtension, "_selected_" ) )
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{
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// Add the place name to the autocomplete array
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Q_snprintf( commands[ numMatches++ ], COMMAND_COMPLETION_ITEM_LENGTH, "%s %s", commandName, txtFilenameNoExtension );
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// Make sure we don't try to return too many place names
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if ( numMatches == COMMAND_COMPLETION_MAXITEMS )
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return numMatches;
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}
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txtFilename = filesystem->FindNext( findHandle );
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}
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filesystem->FindClose( findHandle );
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return numMatches;
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}
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//--------------------------------------------------------------------------------------------------------
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CON_COMMAND_F_COMPLETION( nav_merge_mesh, "Merges a saved selected set into the current mesh.", FCVAR_GAMEDLL | FCVAR_CHEAT, NavMeshMergeAutocomplete )
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{
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if ( !UTIL_IsCommandIssuedByServerAdmin() )
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return;
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TheNavMesh->CommandNavMergeMesh( args );
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}
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//--------------------------------------------------------------------------------------------------------
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//--------------------------------------------------------------------------------------------------------
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