quakeforge/libs/models/sprite/gl_model_sprite.c

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/*
gl_model.c
model loading and caching
Copyright (C) 1996-1997 Id Software, Inc.
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
$Id$
*/
// models are the only shared resource between a client and server running
// on the same machine.
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include "compat.h"
#include "QF/model.h"
#include "QF/qendian.h"
#include "QF/GL/qf_textures.h"
extern model_t *loadmodel;
extern char loadname[];
/*
Mod_LoadSpriteFrame
*/
void *
Mod_LoadSpriteFrame (void *pin, mspriteframe_t **ppframe, int framenum)
{
dspriteframe_t *pinframe;
mspriteframe_t *pspriteframe;
int width, height, size, origin[2];
char name[64];
pinframe = (dspriteframe_t *) pin;
width = LittleLong (pinframe->width);
height = LittleLong (pinframe->height);
size = width * height;
pspriteframe = Hunk_AllocName (sizeof (mspriteframe_t), loadname);
memset (pspriteframe, 0, sizeof (mspriteframe_t));
*ppframe = pspriteframe;
pspriteframe->width = width;
pspriteframe->height = height;
origin[0] = LittleLong (pinframe->origin[0]);
origin[1] = LittleLong (pinframe->origin[1]);
pspriteframe->up = origin[1];
pspriteframe->down = origin[1] - height;
pspriteframe->left = origin[0];
pspriteframe->right = width + origin[0];
snprintf (name, sizeof (name), "%s_%i", loadmodel->name, framenum);
pspriteframe->gl_texturenum =
GL_LoadTexture (name, width, height, (byte *) (pinframe + 1), true,
true, 1);
return (void *) ((byte *) pinframe + sizeof (dspriteframe_t) + size);
}