libgender/doom3map_parser.y%2B%2B

%{
#include <cstdio>
#include <cstdlib>
#include <vector>
#include <list>
#include "entity.h"
#include "material.h"
#include "util.h"

#define YYDEBUG 1

extern int yylex(void);
static void yyerror (char const *msg)
{
  extern int yylineno;

  printf ("%s (line %d)", msg, yylineno);
  abort ();
}

using namespace std;

static vector<gl::vertex_t2f_n3f_v3f> tmpvtx;
static vector<GLushort> tmpidx;
static list<geometry_indexed_2d *> models;
static geometry_indexed_2d *geoid; 

%}


%union {
   char *ident;
   char *string;
   float num;
}


%token MODEL IAPO NODES SHADOWMODEL
%token <string> ID
%token <string> STRING
%token <num> NUMBER

%%

proc: ID sections               
    ;

sections: section
        | sections section
        ;
section: MODEL '{' STRING NUMBER '}'
       | MODEL '{' STRING NUMBER surfaces '}'
       | IAPO '{' NUMBER NUMBER pos '}'
       | NODES '{' NUMBER nodes '}'
       | SHADOWMODEL '{' STRING NUMBER NUMBER NUMBER NUMBER NUMBER mods modidxs '}'
       ;

nodes: node
     | nodes node
     ;

node: '(' NUMBER NUMBER NUMBER NUMBER ')' NUMBER NUMBER
    |
    ;

pos: po
   | pos po
   ;

po: NUMBER NUMBER NUMBER pokla pokla pokla pokla
  ;

pokla: '(' NUMBER NUMBER NUMBER ')';
     ;

mods: mod 
    | mods mod
    ;

mod: '(' NUMBER NUMBER NUMBER ')'
   |
   ;

modidxs: modidx
       | modidxs modidx
       ;

modidx: NUMBER NUMBER NUMBER
      ;

surfaces: surface
        | surfaces surface
        ;

surface: '{' STRING NUMBER NUMBER vertexes triangles '}'    
          { 
              geoid = new geometry_indexed_2d (testmat, GL_TRIANGLES, tmpvtx, tmpidx);
              entity *e = new entity (geoid);
              e->move (vec3 (1000,0,-1000));
              e->show ();
              tmpvtx.clear ();
              tmpidx.clear ();
          }
       ;

vertexes: vertex
        | vertexes vertex
        ;

vertex: '(' NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER ')'
                    { 
                       tmpvtx.push_back (vertex_t2f_n3f_v3f (point ($2, $4, $3), vec3 ($7, $9, $8), tex2 ($5, $6)));
                    }
      ;

triangles: triangle
         | triangles triangle
         ;

triangle: NUMBER NUMBER NUMBER  { 
   tmpidx.push_back ((GLushort) $1);
   tmpidx.push_back ((GLushort) $2);
   tmpidx.push_back ((GLushort) $3);
}

%%

extern FILE *yyin;

bool doom3parse (const char *f) {
   yyin = fopen (f, "r");
   if (!yyin) return false;
   yyparse ();
}

Revision:	1.6
Committed:	Sat Nov 6 04:31:01 2004 UTC (19 years, 7 months ago) by root
Branch:	MAIN
CVS Tags:	HEAD
Changes since 1.5:	+8 -5 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	%{
2			#include <cstdio>
3			#include <cstdlib>
4			#include <vector>
5			#include <list>
6			#include "entity.h"
7			#include "material.h"
8			#include "util.h"
9
10			#define YYDEBUG 1
11
12			extern int yylex(void);
13			static void yyerror (char const *msg)
14			{
15			extern int yylineno;
16
17			printf ("%s (line %d)", msg, yylineno);
18			abort ();
19			}
20	root	1.6
21	root	1.1	using namespace std;
22	root	1.6
23			static vector<gl::vertex_t2f_n3f_v3f> tmpvtx;
24			static vector<GLushort> tmpidx;
25			static list<geometry_indexed_2d *> models;
26			static geometry_indexed_2d *geoid;
27
28	root	1.1	%}
29
30
31			%union {
32			char *ident;
33			char *string;
34			float num;
35			}
36
37
38			%token MODEL IAPO NODES SHADOWMODEL
39			%token <string> ID
40			%token <string> STRING
41			%token <num> NUMBER
42
43			%%
44
45			proc: ID sections
46			;
47
48			sections: section
49			\| sections section
50			;
51			section: MODEL '{' STRING NUMBER '}'
52			\| MODEL '{' STRING NUMBER surfaces '}'
53			\| IAPO '{' NUMBER NUMBER pos '}'
54			\| NODES '{' NUMBER nodes '}'
55			\| SHADOWMODEL '{' STRING NUMBER NUMBER NUMBER NUMBER NUMBER mods modidxs '}'
56			;
57
58			nodes: node
59			\| nodes node
60			;
61
62			node: '(' NUMBER NUMBER NUMBER NUMBER ')' NUMBER NUMBER
63			\|
64			;
65
66			pos: po
67			\| pos po
68			;
69
70			po: NUMBER NUMBER NUMBER pokla pokla pokla pokla
71			;
72
73			pokla: '(' NUMBER NUMBER NUMBER ')';
74			;
75
76			mods: mod
77			\| mods mod
78			;
79
80			mod: '(' NUMBER NUMBER NUMBER ')'
81			\|
82			;
83
84			modidxs: modidx
85			\| modidxs modidx
86			;
87
88			modidx: NUMBER NUMBER NUMBER
89			;
90
91			surfaces: surface
92			\| surfaces surface
93			;
94
95			surface: '{' STRING NUMBER NUMBER vertexes triangles '}'
96			{
97			geoid = new geometry_indexed_2d (testmat, GL_TRIANGLES, tmpvtx, tmpidx);
98	root	1.3	entity *e = new entity (geoid);
99	root	1.5	e->move (vec3 (1000,0,-1000));
100	root	1.3	e->show ();
101	root	1.1	tmpvtx.clear ();
102			tmpidx.clear ();
103			}
104			;
105
106			vertexes: vertex
107			\| vertexes vertex
108			;
109
110			vertex: '(' NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER ')'
111			{
112	root	1.6	tmpvtx.push_back (vertex_t2f_n3f_v3f (point ($2, $4, $3), vec3 ($7, $9, $8), tex2 ($5, $6)));
113	root	1.1	}
114			;
115
116			triangles: triangle
117			\| triangles triangle
118			;
119
120			triangle: NUMBER NUMBER NUMBER {
121			tmpidx.push_back ((GLushort) $1);
122	root	1.5	tmpidx.push_back ((GLushort) $2);
123	root	1.4	tmpidx.push_back ((GLushort) $3);
124	root	1.1	}
125	root	1.2
126	root	1.1	%%
127	root	1.2
128	root	1.1	extern FILE *yyin;
129
130			bool doom3parse (const char *f) {
131			yyin = fopen (f, "r");
132			if (!yyin) return false;
133			yyparse ();
134			}
135	root	1.2