l_bsp_ent.c

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena source code 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.

Quake III Arena source code 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 Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/

#include "l_cmd.h"
#include "l_math.h"
#include "l_mem.h"
#include "l_log.h"
#include "../botlib/l_script.h"
#include "l_bsp_ent.h"

#define MAX_KEY     32
#define MAX_VALUE   1024

int num_entities;
entity_t    entities[MAX_MAP_ENTITIES];

void StripTrailing(char *e)
{
    char    *s;

    s = e + strlen(e)-1;
    while (s >= e && *s <= 32)
    {
        *s = 0;
        s--;
    }
}

/*
=================
ParseEpair
=================
*/
epair_t *ParseEpair(script_t *script)
{
    epair_t *e;
    token_t token;

    e = GetMemory(sizeof(epair_t));
    memset (e, 0, sizeof(epair_t));
    
    PS_ExpectAnyToken(script, &token);
    StripDoubleQuotes(token.string);
    if (strlen(token.string) >= MAX_KEY-1)
        Error ("ParseEpair: token %s too long", token.string);
    e->key = copystring(token.string);
    PS_ExpectAnyToken(script, &token);
    StripDoubleQuotes(token.string);
    if (strlen(token.string) >= MAX_VALUE-1)
        Error ("ParseEpair: token %s too long", token.string);
    e->value = copystring(token.string);

    // strip trailing spaces
    StripTrailing(e->key);
    StripTrailing(e->value);

    return e;
} //end of the function ParseEpair


/*
================
ParseEntity
================
*/
qboolean    ParseEntity(script_t *script)
{
    epair_t *e;
    entity_t    *mapent;
    token_t token;

    if (!PS_ReadToken(script, &token))
        return false;

    if (strcmp(token.string, "{"))
        Error ("ParseEntity: { not found");
    
    if (num_entities == MAX_MAP_ENTITIES)
        Error ("num_entities == MAX_MAP_ENTITIES");

    mapent = &entities[num_entities];
    num_entities++;

    do
    {
        if (!PS_ReadToken(script, &token))
            Error ("ParseEntity: EOF without closing brace");
        if (!strcmp(token.string, "}") )
            break;
        PS_UnreadLastToken(script);
        e = ParseEpair(script);
        e->next = mapent->epairs;
        mapent->epairs = e;
    } while (1);
    
    return true;
} //end of the function ParseEntity

void PrintEntity (entity_t *ent)
{
    epair_t *ep;
    
    printf ("------- entity %p -------\n", ent);
    for (ep=ent->epairs ; ep ; ep=ep->next)
    {
        printf ("%s = %s\n", ep->key, ep->value);
    }

}

void    SetKeyValue (entity_t *ent, char *key, char *value)
{
    epair_t *ep;
    
    for (ep=ent->epairs ; ep ; ep=ep->next)
        if (!strcmp (ep->key, key) )
        {
            FreeMemory(ep->value);
            ep->value = copystring(value);
            return;
        }
    ep = GetMemory(sizeof(*ep));
    ep->next = ent->epairs;
    ent->epairs = ep;
    ep->key = copystring(key);
    ep->value = copystring(value);
}

char    *ValueForKey (entity_t *ent, char *key)
{
    epair_t *ep;
    
    for (ep=ent->epairs ; ep ; ep=ep->next)
        if (!strcmp (ep->key, key) )
            return ep->value;
    return "";
}

vec_t   FloatForKey (entity_t *ent, char *key)
{
    char    *k;
    
    k = ValueForKey (ent, key);
    return atof(k);
}

void    GetVectorForKey (entity_t *ent, char *key, vec3_t vec)
{
    char    *k;
    double  v1, v2, v3;

    k = ValueForKey (ent, key);
// scanf into doubles, then assign, so it is vec_t size independent
    v1 = v2 = v3 = 0;
    sscanf (k, "%lf %lf %lf", &v1, &v2, &v3);
    vec[0] = v1;
    vec[1] = v2;
    vec[2] = v3;
}

---