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

poklas: pokla
      | poklas 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->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, $3, $4), vec3 ($7, $8, $9), 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:	1.3
Committed:	Sat Nov 6 01:10:11 2004 UTC (19 years, 6 months ago) by root
Branch:	MAIN
Changes since 1.2:	+2 -1 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			using namespace std;
21			vector<gl::vertex_t2f_n3f_v3f> tmpvtx;
22			vector<GLushort> tmpidx;
23			list<geometry_indexed_2d*> models;
24			geometry_indexed_2d *geoid;
25			%}
26
27
28			%union {
29			char *ident;
30			char *string;
31			float num;
32			}
33
34
35			%token MODEL IAPO NODES SHADOWMODEL
36			%token <string> ID
37			%token <string> STRING
38			%token <num> NUMBER
39
40			%%
41
42			proc: ID sections
43			;
44
45			sections: section
46			\| sections section
47			;
48			section: MODEL '{' STRING NUMBER '}'
49			\| MODEL '{' STRING NUMBER surfaces '}'
50			\| IAPO '{' NUMBER NUMBER pos '}'
51			\| NODES '{' NUMBER nodes '}'
52			\| SHADOWMODEL '{' STRING NUMBER NUMBER NUMBER NUMBER NUMBER mods modidxs '}'
53			;
54
55			nodes: node
56			\| nodes node
57			;
58
59			node: '(' NUMBER NUMBER NUMBER NUMBER ')' NUMBER NUMBER
60			\|
61			;
62
63			pos: po
64			\| pos po
65			;
66
67			po: NUMBER NUMBER NUMBER pokla pokla pokla pokla
68			;
69
70			poklas: pokla
71			\| poklas pokla
72			;
73
74			pokla: '(' NUMBER NUMBER NUMBER ')';
75			;
76
77			mods: mod
78			\| mods mod
79			;
80
81			mod: '(' NUMBER NUMBER NUMBER ')'
82			\|
83			;
84
85			modidxs: modidx
86			\| modidxs modidx
87			;
88
89			modidx: NUMBER NUMBER NUMBER
90			;
91
92			surfaces: surface
93			\| surfaces surface
94			;
95
96			surface: '{' STRING NUMBER NUMBER vertexes triangles '}'
97			{
98			geoid = new geometry_indexed_2d (testmat, GL_TRIANGLES, tmpvtx, tmpidx);
99	root	1.3	entity *e = new entity (geoid);
100			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			tmpvtx.push_back (vertex_t2f_n3f_v3f (point ($2, $3, $4), vec3 ($7, $8, $9), tex2 ($5, $6)));
113			}
114			;
115
116			triangles: triangle
117			\| triangles triangle
118			;
119
120			triangle: NUMBER NUMBER NUMBER {
121			tmpidx.push_back ((GLushort) $1);
122			tmpidx.push_back ((GLushort) $2);
123			tmpidx.push_back ((GLushort) $3);
124			}
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