120 lines
3.0 KiB
C
120 lines
3.0 KiB
C
/*
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gl_model_iqm.c
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iqm model processing for GLSL
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Copyright (C) 2011 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2012/04/27
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include "QF/dstring.h"
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#include "QF/image.h"
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#include "QF/quakefs.h"
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#include "QF/va.h"
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#include "QF/GL/qf_iqm.h"
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#include "QF/GL/qf_textures.h"
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#include "mod_internal.h"
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static byte null_texture[] = {
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204, 204, 204, 255,
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204, 204, 204, 255,
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204, 204, 204, 255,
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204, 204, 204, 255,
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};
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static void
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gl_iqm_clear (model_t *mod, void *data)
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{
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iqm_t *iqm = (iqm_t *) mod->aliashdr;
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gliqm_t *gl = (gliqm_t *) iqm->extra_data;
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mod->needload = true;
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free (gl->blend_palette);
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free (gl);
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Mod_FreeIQM (iqm);
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}
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static void
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gl_iqm_load_textures (iqm_t *iqm)
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{
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gliqm_t *gl = (gliqm_t *) iqm->extra_data;
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int i;
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dstring_t *str = dstring_new ();
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tex_t *tex;
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gl->textures = malloc (iqm->num_meshes * sizeof (int));
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for (i = 0; i < iqm->num_meshes; i++) {
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dstring_copystr (str, iqm->text + iqm->meshes[i].material);
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QFS_StripExtension (str->str, str->str);
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if ((tex = LoadImage (va (0, "textures/%s", str->str), 1)))
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gl->textures[i] = GL_LoadTexture (str->str, tex->width,
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tex->height, tex->data, true,
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false,
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tex->format > 2 ? tex->format
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: 1);
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else
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gl->textures[i] = GL_LoadTexture ("", 2, 2, null_texture, true,
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false, 4);
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}
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dstring_delete (str);
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}
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void
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gl_Mod_IQMFinish (model_t *mod)
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{
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iqm_t *iqm = (iqm_t *) mod->aliashdr;
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gliqm_t *gl;
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int i;
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mod->clear = gl_iqm_clear;
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iqm->extra_data = gl = calloc (1, sizeof (gliqm_t));
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gl_iqm_load_textures (iqm);
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gl->blend_palette = Mod_IQMBuildBlendPalette (iqm, &gl->palette_size);
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for (i = 0; i < iqm->num_arrays; i++) {
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if (iqm->vertexarrays[i].type == IQM_POSITION)
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gl->position = &iqm->vertexarrays[i];
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if (iqm->vertexarrays[i].type == IQM_TEXCOORD)
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gl->texcoord = &iqm->vertexarrays[i];
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if (iqm->vertexarrays[i].type == IQM_NORMAL)
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gl->normal = &iqm->vertexarrays[i];
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if (iqm->vertexarrays[i].type == IQM_BLENDINDEXES)
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gl->bindices = &iqm->vertexarrays[i];
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if (iqm->vertexarrays[i].type == IQM_COLOR)
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gl->color = &iqm->vertexarrays[i];
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}
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}
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