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Removed to make way for the new adaptive/irregular terrain system.

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curt 1997-10-28 20:51:07 +00:00
parent 9d660dfdf0
commit 8d23c3f29b
4 changed files with 0 additions and 366 deletions
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53
Scenery/chunkmgr.c
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@ -1,53 +0,0 @@
/**************************************************************************
* chunkmgr.c -- top level scenery chunk management system.
*
* Written by Curtis Olson, started July 1997.
*
* Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
* (Log is kept at end of this file)
**************************************************************************/
#include "chunkmgr.h"
/* we'll use a fixed sized chunk list for now */
static struct chunk chunk_list[MAX_CHUNK_LIST];
/* ... and a fixed sized chunk cache */
static struct chunk chunk_cache[MAX_CHUNK_CACHE];
/* initialize the chunk management system */
void chunk_init() {
}
/* load all chunks within radius distance of the specified point if
* they are not already loaded or cached. Remove or cache any chunks that are
* out of range. */
void chunk_update(double lat, double lon, double radius) {
}
/* $Log$
/* Revision 1.1 1997/07/31 23:19:33 curt
/* Initial revision.
/*
*/

73
Scenery/chunkmgr.h
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/**************************************************************************
* chunkmgr.h -- top level scenery chunk management system.
*
* Written by Curtis Olson, started July 1997.
*
* Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
* (Log is kept at end of this file)
**************************************************************************/
#ifndef CHUNKMGR_H
#define CHUNKMGR_H
#include "mesh.h"
#define MAX_CHUNK_LIST 1000
#define MAX_CHUNK_CACHE 100
struct chunk {
/* path name to the data file for this chunk */
char path[1024];
/* coordinates (in arc seconds) */
double lon, lat;
/* coordinates (cartesian, units = km) */
double x, y, z;
/* last calculated distance from current viewpoint */
double dist;
/* pointer to elevation grid array for this chunk*/
struct mesh *terrain_ptr;
};
/* initialize the chunk management system */
void chunk_init();
/* load all chunks within radius distance of the specified point if
* they are not already loaded or cached. Remove or cache any chunks that are
* out of range. */
void chunk_update(double lat, double lon, double radius);
#endif /* CHUNKMGR_H */
/* $Log$
/* Revision 1.1 1997/07/31 23:19:34 curt
/* Initial revision.
/*
*/

192
Scenery/parser.y
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@ -1,192 +0,0 @@
/**************************************************************************
* parser.y -- scenery file parser
*
* Written by Curtis Olson, started June 1997.
*
* Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
**************************************************************************/
/* C pass through */
%{
#ifndef __CYGWIN32__
# include <malloc.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "parsevrml.h"
#include "geometry.h"
#include "common.h"
#include "mesh.h"
#include "scenery.h"
/*#DEFINE YYDEBUG 1 */
/* interfacing with scanner.l (lex) */
extern int line_num;
extern char *yytext;
int push_input_stream ( char *input );
/* we must define this ourselves */
int yyerror(char *s);
/* handle for a mesh structure */
struct mesh *mesh_ptr;
%}
/* top level reserved words */
%token IncludeSym ShapeSym GeometrySym
/* basic tokens */
%token Identifier Number StringLiteral
/* symbol tokens */
%token EqualSym LBraceSym RBraceSym LParenSym RParenSym
%token LSqBracketSym RSqBracketSym CommaSym
/* error tokens */
%token BadStringLiteral ErrorMisc
/* Start Symbol */
%start vrml
/* Rules Section */
%%
vrml :
node_list
;
node_list :
node
| node_list node
;
node :
include
| shape
;
/* includes */
include :
IncludeSym StringLiteral
{
yytext = strip_quotes(yytext);
printf("Need to include %s\n", yytext);
push_input_stream(yytext);
}
;
/* Shape rules */
shape :
ShapeSym LBraceSym shape_body RBraceSym
;
shape_body :
/* appearance */ geometry
;
/* appearance : */
/* Empty OK */
/* ; */
geometry :
GeometrySym
Identifier
{
vrmlInitGeometry(yytext);
}
LBraceSym geom_item_list RBraceSym
{
vrmlHandleGeometry();
vrmlFreeGeometry();
}
;
geom_item_list :
geom_item
| geom_item_list geom_item
;
geom_item :
Identifier { vrmlGeomOptionName(yytext); }
geom_rvalue
;
geom_rvalue :
value
| LSqBracketSym value_list RSqBracketSym
;
value_list :
value
| value_list value
;
value :
Number { vrmlGeomOptionsValue(yytext); }
;
/* C Function Section */
%%
int yyerror(char *s) {
printf("Error: %s at line %d.\n", s, line_num);
return 0;
}
/* this is a simple main for testing the parser */
/*
int main(int argc, char **argv) {
#ifdef YYDEBUG
yydebug = 1;
#endif
printf(" input file = %s\n", argv[1]);
push_input_stream(argv[1]);
yyparse();
return 0;
}
*/
/* parse a VRML scenery file */
int fgParseVRML(char *file) {
int result;
printf(" input file = %s\n", file);
push_input_stream(file);
result = yyparse();
/* return(result) */
return(result);
}

48
Scenery/parsevrml.h
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/**************************************************************************
* parsevrml.h -- top level include file for accessing the vrml parser
*
* Written by Curtis Olson, started June 1997.
*
* Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
* (Log is kept at end of this file)
**************************************************************************/
#ifndef PARSEVRML_H
#define PARSEVRML_H
/* parse a VRML scenery file */
int fgParseVRML(char *file);
#endif /* PARSEVRML_H */
/* $Log$
/* Revision 1.2 1997/07/23 21:52:26 curt
/* Put comments around the text after an #endif for increased portability.
/*
* Revision 1.1 1997/06/29 21:16:49 curt
* More twiddling with the Scenery Management system.
*
* Revision 1.1 1997/06/27 02:25:13 curt
* Initial revision.
*
*/