quakeforge/libs/gib/gib_handle.c

93 lines
2.1 KiB
C

/*
bi_gib.c
GIB <-> Ruamoko interface
Copyright (C) 2003 Brian Koropoff
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdlib.h>
#include "QF/gib.h"
#include "gib_handle.h"
static unsigned long int gib_next_handle;
static gib_handle_t *gib_unused_handles;
static gib_handle_t **gib_handles;
static unsigned long int gib_handles_size;
unsigned long int
GIB_Handle_New (gib_object_t *data)
{
gib_handle_t *new;
if (gib_unused_handles) {
new = gib_unused_handles;
gib_unused_handles = new->next;
} else {
unsigned long int num = gib_next_handle++;
if (num >= gib_handles_size) {
gib_handles_size += 256;
gib_handles = realloc (gib_handles, sizeof(void *) * gib_handles_size);
}
new = calloc (1, sizeof (gib_handle_t));
new->num = num;
}
new->data = data;
gib_handles[new->num] = new;
return new->num;
}
void
GIB_Handle_Free (unsigned long int num)
{
gib_handle_t *hand;
if (num >= gib_next_handle || !gib_handles[num])
return;
hand = gib_handles[num];
gib_handles[num] = 0;
hand->next = gib_unused_handles;
gib_unused_handles = hand;
}
gib_object_t *
GIB_Handle_Get (unsigned long int num)
{
if (num >= gib_next_handle || !gib_handles[num])
return 0;
return gib_handles[num]->data;
}
void
GIB_Handle_Init (void)
{
gib_handles_size = 256;
gib_handles = calloc (gib_handles_size, sizeof (gib_handle_t *));
gib_next_handle = 1;
gib_unused_handles = 0;
}