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https://git.code.sf.net/p/quake/quakeforge
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c0517b1d97
gl, sw and sw32 use blend palettes, so share the code. This also abandons the optimization for transforming verts in sw (had all sorts of problems anyway). sw still doesn't work, though.
114 lines
2.9 KiB
C
114 lines
2.9 KiB
C
/*
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gl_mod_iqm.c
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GL IQM rendering
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Copyright (C) 2012 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2012/5/17
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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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#define NH_DEFINE
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#include "namehack.h"
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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 <stdlib.h>
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#include "QF/cvar.h"
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#include "QF/render.h"
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#include "QF/skin.h"
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#include "QF/sys.h"
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#include "QF/GL/defines.h"
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#include "QF/GL/funcs.h"
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#include "QF/GL/qf_iqm.h"
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#include "QF/GL/qf_rmain.h"
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#include "QF/GL/qf_vid.h"
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#include "r_internal.h"
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//FIXME this is really lame: normals are ignored. also, it could be
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//faster
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static void
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gl_draw_iqm_frame (iqm_t *iqm, gliqm_t *gl, iqmframe_t *frame, iqmmesh *mesh)
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{
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byte *vert;
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uint32_t i, j;
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qfglBegin (GL_TRIANGLES);
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for (i = 0; i < mesh->num_triangles; i++) {
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int vind = (mesh->first_triangle + i) * 3;
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for (j = 0; j < 3; j++) {
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vert = iqm->vertices + iqm->elements[vind + j] * iqm->stride;
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if (gl->texcoord)
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qfglTexCoord2fv ((float *) (vert + gl->texcoord->offset));
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if (gl->color)
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qfglColor4bv ((GLbyte *) (vert + gl->color->offset));
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if (gl->bindices) {
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vec3_t position;
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uint32_t bind = *(uint32_t *) (vert + gl->bindices->offset);
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vec_t *f = (vec_t *) &frame[bind];
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float *v = (float *) (vert + gl->position->offset);
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Mat4MultVec (f, v, position);
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qfglVertex3fv (position);
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} else {
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qfglVertex3fv ((float *) (vert + gl->position->offset));
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}
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}
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}
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qfglEnd ();
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}
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void
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gl_R_DrawIQMModel (entity_t *ent)
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{
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model_t *model = ent->model;
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iqm_t *iqm = (iqm_t *) model->aliashdr;
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gliqm_t *gl = (gliqm_t *) iqm->extra_data;
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float blend;
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iqmframe_t *frame;
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int i;
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model = ent->model;
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blend = R_IQMGetLerpedFrames (ent, iqm);
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frame = R_IQMBlendPalette (iqm, ent->pose1, ent->pose2, blend, 0,
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gl->blend_palette, gl->palette_size);
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qfglPushMatrix ();
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gl_R_RotateForEntity (ent);
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qfglScalef (ent->scale, ent->scale, ent->scale);
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for (i = 0; i < iqm->num_meshes; i++) {
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qfglBindTexture (GL_TEXTURE_2D, gl->textures[i]);
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gl_draw_iqm_frame (iqm, gl, frame, &iqm->meshes[i]);
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}
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qfglPopMatrix ();
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}
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