Renamed tile.[ch]xx to tileentry.[ch]xx
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71
Simulator/Scenery/tileentry.cxx
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71
Simulator/Scenery/tileentry.cxx
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// tile.cxx -- routines to handle a scenery tile
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//
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// Written by Curtis Olson, started May 1998.
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//
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// Copyright (C) 1998, 1999 Curtis L. Olson - curt@flightgear.org
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#include <Include/compiler.h>
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#ifdef FG_MATH_EXCEPTION_CLASH
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# include <math.h>
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#endif
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#include STL_FUNCTIONAL
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#include STL_ALGORITHM
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#include <Debug/logstream.hxx>
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#include <Bucket/newbucket.hxx>
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#include "tileentry.hxx"
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FG_USING_STD(for_each);
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FG_USING_STD(mem_fun_ref);
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// Constructor
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FGTileEntry::FGTileEntry ( void )
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: ncount(0),
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used(false)
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{
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nodes.clear();
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}
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// Destructor
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FGTileEntry::~FGTileEntry ( void ) {
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// cout << "nodes = " << nodes.size() << endl;;
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// delete[] nodes;
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}
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// Step through the fragment list, deleting the display list, then
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// the fragment, until the list is empty.
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void
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FGTileEntry::release_fragments()
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{
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FG_LOG( FG_TERRAIN, FG_DEBUG,
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"FREEING TILE = (" << tile_bucket << ")" );
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for_each( begin(), end(),
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mem_fun_ref( &fgFRAGMENT::deleteDisplayList ));
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fragment_list.erase( begin(), end() );
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used = false;
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}
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167
Simulator/Scenery/tileentry.hxx
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167
Simulator/Scenery/tileentry.hxx
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// tileentry.hxx -- routines to handle an individual scenery tile
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//
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// Written by Curtis Olson, started May 1998.
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//
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// Copyright (C) 1998, 1999 Curtis L. Olson - curt@flightgear.org
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#ifndef _TILEENTRY_HXX
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#define _TILEENTRY_HXX
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#ifndef __cplusplus
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# error This library requires C++
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#endif
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifdef HAVE_WINDOWS_H
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# include <windows.h>
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#endif
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#include <GL/glut.h>
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#include <XGL/xgl.h>
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#include <Include/compiler.h>
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#include <vector>
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#include STL_STRING
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#include <plib/sg.h>
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#include <Bucket/newbucket.hxx>
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#include <Math/mat3.h>
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#include <Math/point3d.hxx>
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#include <Objects/fragment.hxx>
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#ifdef FG_HAVE_NATIVE_SGI_COMPILERS
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#include <strings.h>
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#endif
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FG_USING_STD(string);
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FG_USING_STD(vector);
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typedef vector < Point3D > point_list;
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typedef point_list::iterator point_list_iterator;
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typedef point_list::const_iterator const_point_list_iterator;
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// Scenery tile class
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class FGTileEntry {
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public:
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typedef vector < fgFRAGMENT > container;
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typedef container::iterator FragmentIterator;
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typedef container::const_iterator FragmentConstIterator;
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public:
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// node list (the per fragment face lists reference this node list)
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point_list nodes;
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int ncount;
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// global tile culling data
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Point3D center;
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double bounding_radius;
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Point3D offset;
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// model view matrix for this tile
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GLfloat model_view[16];
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// this tile's official location in the world
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FGBucket tile_bucket;
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// the tile cache will mark here if the tile is being used
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bool used;
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container fragment_list;
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public:
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// Constructor
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FGTileEntry ( void );
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// Destructor
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~FGTileEntry ( void );
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FragmentIterator begin() { return fragment_list.begin(); }
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FragmentConstIterator begin() const { return fragment_list.begin(); }
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FragmentIterator end() { return fragment_list.end(); }
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FragmentConstIterator end() const { return fragment_list.end(); }
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void add_fragment( fgFRAGMENT& frag ) {
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frag.tile_ptr = this;
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fragment_list.push_back( frag );
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}
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size_t num_fragments() const {
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return fragment_list.size();
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}
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// Step through the fragment list, deleting the display list, then
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// the fragment, until the list is empty.
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void release_fragments();
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// Calculate this tile's offset
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void SetOffset( const Point3D& off)
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{
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offset = center - off;
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}
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// Return this tile's offset
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inline Point3D get_offset( void ) const { return offset; }
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// Calculate the model_view transformation matrix for this tile
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inline void update_view_matrix(GLfloat *MODEL_VIEW)
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{
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#if defined( USE_MEM ) || defined( WIN32 )
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memcpy( model_view, MODEL_VIEW, 16*sizeof(GLfloat) );
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#else
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bcopy( MODEL_VIEW, model_view, 16*sizeof(GLfloat) );
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#endif
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// This is equivalent to doing a glTranslatef(x, y, z);
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model_view[12] += (model_view[0]*offset.x() +
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model_view[4]*offset.y() +
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model_view[8]*offset.z());
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model_view[13] += (model_view[1]*offset.x() +
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model_view[5]*offset.y() +
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model_view[9]*offset.z());
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model_view[14] += (model_view[2]*offset.x() +
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model_view[6]*offset.y() +
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model_view[10]*offset.z() );
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// m[15] += (m[3]*x + m[7]*y + m[11]*z);
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// m[3] m7[] m[11] are 0.0 see LookAt() in views.cxx
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// so m[15] is unchanged
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}
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};
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typedef vector < FGTileEntry > tile_list;
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typedef tile_list::iterator tile_list_iterator;
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typedef tile_list::const_iterator const_tile_list_iterator;
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#endif // _TILEENTRY_HXX
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