mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-11 15:51:36 +00:00
7ead5a91f8
functions when told to. also make gcc warn if it can't inline a function. Explicitly inline several functions (including moving VectorNormalize to mathlib.h so it /can/ be) resulting in a 5.5% speedup for spam2 (88 to 92 fps)
782 lines
18 KiB
C
782 lines
18 KiB
C
/*
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gl_mod_alias.c
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(description)
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Copyright (C) 1996-1997 Id Software, Inc.
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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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static __attribute__ ((unused)) const char rcsid[] =
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"$Id$";
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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 <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "QF/console.h"
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#include "QF/cvar.h"
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#include "QF/locs.h"
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#include "QF/mathlib.h"
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#include "QF/qargs.h"
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#include "QF/render.h"
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#include "QF/skin.h"
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#include "QF/sound.h"
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#include "QF/sys.h"
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#include "QF/vid.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_rlight.h"
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#include "QF/GL/qf_rmain.h"
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#include "QF/GL/qf_rsurf.h"
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#include "QF/GL/qf_screen.h"
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#include "QF/GL/qf_vid.h"
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#include "compat.h"
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#include "r_cvar.h"
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#include "r_dynamic.h"
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#include "r_local.h"
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#include "view.h"
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typedef struct {
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vec3_t vert;
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float lightdot;
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} blended_vert_t;
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typedef struct {
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blended_vert_t *verts;
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int *order;
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tex_coord_t *tex_coord;
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int count;
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} vert_order_t;
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float r_avertexnormals[NUMVERTEXNORMALS][3] = {
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#include "anorms.h"
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};
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// precalculated dot products for quantized angles
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#define SHADEDOT_QUANT 16
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float r_avertexnormal_dots[SHADEDOT_QUANT][256] =
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#include "anorm_dots.h"
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;
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vec3_t shadevector;
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static inline void
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GL_DrawAliasFrameTri (vert_order_t *vo)
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{
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float color[4];
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int count;
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blended_vert_t *verts;
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tex_coord_t *tex_coord;
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verts = vo->verts;
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tex_coord = vo->tex_coord;
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color[3] = modelalpha;
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count = vo->count;
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qfglBegin (GL_TRIANGLES);
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do {
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qfglTexCoord2fv (tex_coord->st);
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VectorMultAdd (ambientcolor, verts->lightdot, shadecolor, color);
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qfglColor4fv (color);
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qfglVertex3fv (verts->vert);
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tex_coord++;
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verts++;
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} while (count--);
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qfglEnd();
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}
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static inline void
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GL_DrawAliasFrameTri_fb (vert_order_t *vo)
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{
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int count;
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float color[4] = { 1.0, 1.0, 1.0, 0.0};
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blended_vert_t *verts;
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tex_coord_t *tex_coord;
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verts = vo->verts;
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color[3] = modelalpha * 1.0;
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count = vo->count;
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tex_coord = vo->tex_coord;
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qfglBegin (GL_TRIANGLES);
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do {
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qfglTexCoord2fv (tex_coord->st);
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qfglColor4fv (color);
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qfglVertex3fv (verts->vert);
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tex_coord++;
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verts++;
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} while (--count);
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qfglEnd();
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}
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static inline void
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GL_DrawAliasFrameTriMulti (vert_order_t *vo)
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{
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float color[4];
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int count;
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blended_vert_t *verts;
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tex_coord_t *tex_coord;
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verts = vo->verts;
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tex_coord = vo->tex_coord;
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color[3] = modelalpha;
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count = vo->count;
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qfglBegin (GL_TRIANGLES);
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do {
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// texture coordinates come from the draw list
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qglMultiTexCoord2fv (gl_mtex_enum + 0, tex_coord->st);
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qglMultiTexCoord2fv (gl_mtex_enum + 1, tex_coord->st);
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tex_coord++;
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// normals and vertexes come from the frame list
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VectorMultAdd (ambientcolor, verts->lightdot, shadecolor, color);
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qfglColor4fv (color);
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qfglVertex3fv (verts->vert);
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verts++;
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} while (--count);
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qfglEnd ();
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}
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static inline void
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GL_DrawAliasFrame (vert_order_t *vo)
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{
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float color[4];
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int count;
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int *order;
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blended_vert_t *verts;
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verts = vo->verts;
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order = vo->order;
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color[3] = modelalpha;
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while ((count = *order++)) {
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// get the vertex count and primitive type
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if (count < 0) {
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count = -count;
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qfglBegin (GL_TRIANGLE_FAN);
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} else {
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qfglBegin (GL_TRIANGLE_STRIP);
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}
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do {
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// texture coordinates come from the draw list
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qfglTexCoord2fv ((float *) order);
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order += 2;
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// normals and vertexes come from the frame list
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VectorMultAdd (ambientcolor, verts->lightdot, shadecolor, color);
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qfglColor4fv (color);
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qfglVertex3fv (verts->vert);
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verts++;
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} while (--count);
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qfglEnd ();
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}
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}
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static inline void
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GL_DrawAliasFrame_fb (vert_order_t *vo)
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{
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int count;
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int *order;
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blended_vert_t *verts;
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verts = vo->verts;
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order = vo->order;
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color_white[3] = modelalpha * 255;
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qfglColor4ubv (color_white);
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while ((count = *order++)) {
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// get the vertex count and primitive type
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if (count < 0) {
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count = -count;
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qfglBegin (GL_TRIANGLE_FAN);
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} else {
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qfglBegin (GL_TRIANGLE_STRIP);
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}
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do {
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// texture coordinates come from the draw list
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qfglTexCoord2fv ((float *) order);
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order += 2;
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qfglVertex3fv (verts->vert);
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verts++;
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} while (--count);
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qfglEnd ();
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}
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}
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static inline void
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GL_DrawAliasFrameMulti (vert_order_t *vo)
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{
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float color[4];
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int count;
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int *order;
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blended_vert_t *verts;
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verts = vo->verts;
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order = vo->order;
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color[3] = modelalpha;
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while ((count = *order++)) {
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// get the vertex count and primitive type
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if (count < 0) {
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count = -count;
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qfglBegin (GL_TRIANGLE_FAN);
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} else {
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qfglBegin (GL_TRIANGLE_STRIP);
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}
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do {
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// texture coordinates come from the draw list
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qglMultiTexCoord2fv (gl_mtex_enum + 0, (float *) order);
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qglMultiTexCoord2fv (gl_mtex_enum + 1, (float *) order);
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order += 2;
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// normals and vertexes come from the frame list
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VectorMultAdd (ambientcolor, verts->lightdot, shadecolor, color);
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qfglColor4fv (color);
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qfglVertex3fv (verts->vert);
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verts++;
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} while (--count);
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qfglEnd ();
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}
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}
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/*
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GL_DrawAliasShadow
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Standard shadow drawing
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*/
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static void
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GL_DrawAliasShadow (aliashdr_t *paliashdr, vert_order_t *vo)
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{
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float height, lheight;
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int count;
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int *order;
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vec3_t point;
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blended_vert_t *verts;
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verts = vo->verts;
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order = vo->order;
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lheight = currententity->origin[2] - lightspot[2];
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height = -lheight + 1.0;
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while ((count = *order++)) {
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// get the vertex count and primitive type
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if (count < 0) {
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count = -count;
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qfglBegin (GL_TRIANGLE_FAN);
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} else
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qfglBegin (GL_TRIANGLE_STRIP);
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do {
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order += 2; // skip texture coords
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// normals and vertexes come from the frame list
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point[0] =
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verts->vert[0] * paliashdr->mdl.scale[0] +
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paliashdr->mdl.scale_origin[0];
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point[1] =
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verts->vert[1] * paliashdr->mdl.scale[1] +
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paliashdr->mdl.scale_origin[1];
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point[2] =
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verts->vert[2] * paliashdr->mdl.scale[2] +
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paliashdr->mdl.scale_origin[2] + lheight;
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point[0] -= shadevector[0] * point[2];
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point[1] -= shadevector[1] * point[2];
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point[2] = height;
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qfglVertex3fv (point);
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verts++;
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} while (--count);
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qfglEnd ();
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}
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}
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static inline vert_order_t *
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GL_GetAliasFrameVerts16 (int frame, aliashdr_t *paliashdr, entity_t *e)
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{
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float interval;
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int count, numposes, pose, i;
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trivertx16_t *verts;
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vert_order_t *vo;
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blended_vert_t *vo_v;
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if ((frame >= paliashdr->mdl.numframes) || (frame < 0)) {
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if (developer->int_val)
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Con_Printf ("R_AliasSetupFrame: no such frame %d %s\n", frame,
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currententity->model->name);
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frame = 0;
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}
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pose = paliashdr->frames[frame].firstpose;
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numposes = paliashdr->frames[frame].numposes;
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verts = (trivertx16_t *) ((byte *) paliashdr + paliashdr->posedata);
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count = paliashdr->poseverts;
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vo = Hunk_TempAlloc (sizeof (*vo) + count * sizeof (blended_vert_t));
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vo->order = (int *) ((byte *) paliashdr + paliashdr->commands);
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vo->verts = (blended_vert_t *) &vo[1];
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if (paliashdr->tex_coord) {
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vo->tex_coord = (tex_coord_t *) ((byte *) paliashdr + paliashdr->tex_coord);
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} else {
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vo->tex_coord = NULL;
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}
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vo->count = count;
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if (numposes > 1) {
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interval = paliashdr->frames[frame].interval;
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pose += (int) (r_realtime / interval) % numposes;
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} else {
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/*
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One tenth of a second is good for most Quake animations. If
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the nextthink is longer then the animation is usually meant
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to pause (e.g. check out the shambler magic animation in
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shambler.qc). If its shorter then things will still be
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smoothed partly, and the jumps will be less noticable
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because of the shorter time. So, this is probably a good
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assumption.
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*/
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interval = 0.1;
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}
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if (gl_lerp_anim->int_val) {
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trivertx16_t *verts1, *verts2;
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float blend;
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vec3_t v1, v2;
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e->frame_interval = interval;
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if (e->pose2 != pose) {
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e->frame_start_time = r_realtime;
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if (e->pose2 == -1) {
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e->pose1 = pose;
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} else {
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e->pose1 = e->pose2;
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}
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e->pose2 = pose;
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blend = 0.0;
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} else {
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blend = (r_realtime - e->frame_start_time) / e->frame_interval;
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}
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// wierd things start happening if blend passes 1
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if (r_paused || blend > 1.0)
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blend = 1.0;
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if (blend == 0.0) {
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verts = verts + e->pose1 * count;
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} else if (blend == 1.0) {
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verts = verts + e->pose2 * count;
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} else {
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verts1 = verts + e->pose1 * count;
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verts2 = verts + e->pose2 * count;
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for (i = 0, vo_v = vo->verts; i < count;
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i++, vo_v++, verts1++, verts2++) {
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float *n1, *n2;
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float d1, d2;
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VectorBlend (v1, v2, blend, vo_v->vert);
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n1 = r_avertexnormals[verts1->lightnormalindex];
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n2 = r_avertexnormals[verts2->lightnormalindex];
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d1 = DotProduct (shadevector, n1);
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d2 = DotProduct (shadevector, n2);
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vo_v->lightdot = max (0, d1 * (1.0 - blend) + d2 * blend);
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}
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return vo;
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}
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} else {
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verts += pose * count;
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}
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for (i = 0, vo_v = vo->verts; i < count; i++, vo_v++, verts++) {
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float *n;
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float d;
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n = r_avertexnormals[verts->lightnormalindex];
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d = DotProduct (shadevector, n);
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vo_v->lightdot = max (0.0, d);
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}
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return vo;
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}
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static inline vert_order_t *
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GL_GetAliasFrameVerts (int frame, aliashdr_t *paliashdr, entity_t *e)
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{
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float interval;
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int count, numposes, pose, i;
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trivertx_t *verts;
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vert_order_t *vo;
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blended_vert_t *vo_v;
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if ((frame >= paliashdr->mdl.numframes) || (frame < 0)) {
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if (developer->int_val)
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Con_Printf ("R_AliasSetupFrame: no such frame %d %s\n", frame,
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currententity->model->name);
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frame = 0;
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}
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pose = paliashdr->frames[frame].firstpose;
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numposes = paliashdr->frames[frame].numposes;
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verts = (trivertx_t *) ((byte *) paliashdr + paliashdr->posedata);
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count = paliashdr->poseverts;
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vo = Hunk_TempAlloc (sizeof (*vo) + count * sizeof (blended_vert_t));
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vo->order = (int *) ((byte *) paliashdr + paliashdr->commands);
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vo->verts = (blended_vert_t *) &vo[1];
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if (paliashdr->tex_coord) {
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vo->tex_coord = (tex_coord_t *) ((byte *) paliashdr + paliashdr->tex_coord);
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} else {
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vo->tex_coord = NULL;
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}
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vo->count = count;
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if (numposes > 1) {
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interval = paliashdr->frames[frame].interval;
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pose += (int) (r_realtime / interval) % numposes;
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} else {
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/*
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One tenth of a second is good for most Quake animations. If
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the nextthink is longer then the animation is usually meant
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to pause (e.g. check out the shambler magic animation in
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shambler.qc). If its shorter then things will still be
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smoothed partly, and the jumps will be less noticable
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because of the shorter time. So, this is probably a good
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assumption.
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*/
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interval = 0.1;
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}
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if (gl_lerp_anim->int_val) {
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trivertx_t *verts1, *verts2;
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float blend;
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e->frame_interval = interval;
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if (e->pose2 != pose) {
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e->frame_start_time = r_realtime;
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if (e->pose2 == -1) {
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e->pose1 = pose;
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} else {
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e->pose1 = e->pose2;
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}
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e->pose2 = pose;
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blend = 0;
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} else {
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blend = (r_realtime - e->frame_start_time) / e->frame_interval;
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}
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// wierd things start happening if blend passes 1
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if (r_paused || blend > 1.0)
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blend = 1.0;
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if (blend == 0.0) {
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verts = verts + e->pose1 * count;
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} else if (blend == 1.0) {
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verts = verts + e->pose2 * count;
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} else {
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verts1 = verts + e->pose1 * count;
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verts2 = verts + e->pose2 * count;
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for (i = 0, vo_v = vo->verts; i < count;
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i++, vo_v++, verts1++, verts2++) {
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float *n1, *n2;
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float d1, d2;
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VectorBlend (verts1->v, verts2->v, blend, vo_v->vert);
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n1 = r_avertexnormals[verts1->lightnormalindex];
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n2 = r_avertexnormals[verts2->lightnormalindex];
|
|
d1 = DotProduct (shadevector, n1);
|
|
d2 = DotProduct (shadevector, n2);
|
|
vo_v->lightdot = max (0, d1 * (1.0 - blend) + d2 * blend);
|
|
}
|
|
return vo;
|
|
}
|
|
} else {
|
|
verts += pose * count;
|
|
}
|
|
for (i = 0, vo_v = vo->verts; i < count; i++, vo_v++, verts++) {
|
|
float *n;
|
|
float d;
|
|
|
|
VectorCopy (verts->v, vo_v->vert);
|
|
n = r_avertexnormals[verts->lightnormalindex];
|
|
d = DotProduct (shadevector, n);
|
|
vo_v->lightdot = max (0.0, d);
|
|
}
|
|
return vo;
|
|
}
|
|
|
|
static maliasskindesc_t *
|
|
R_AliasGetSkindesc (int skinnum, aliashdr_t *ahdr)
|
|
{
|
|
maliasskindesc_t *pskindesc;
|
|
maliasskingroup_t *paliasskingroup;
|
|
|
|
if ((skinnum >= ahdr->mdl.numskins) || (skinnum < 0)) {
|
|
Con_DPrintf ("R_AliasSetupSkin: no such skin # %d\n", skinnum);
|
|
skinnum = 0;
|
|
}
|
|
|
|
pskindesc = ((maliasskindesc_t *)
|
|
((byte *) ahdr + ahdr->skindesc)) + skinnum;
|
|
|
|
if (pskindesc->type == ALIAS_SKIN_GROUP) {
|
|
float fullskininterval;
|
|
int i;
|
|
int numskins;
|
|
float skintargettime, skintime;
|
|
float *pskinintervals;
|
|
|
|
paliasskingroup = (maliasskingroup_t *) ((byte *) ahdr +
|
|
pskindesc->skin);
|
|
pskinintervals = (float *)
|
|
((byte *) ahdr + paliasskingroup->intervals);
|
|
numskins = paliasskingroup->numskins;
|
|
fullskininterval = pskinintervals[numskins - 1];
|
|
|
|
skintime = r_realtime + currententity->syncbase;
|
|
|
|
skintargettime = skintime -
|
|
((int) (skintime / fullskininterval)) * fullskininterval;
|
|
for (i = 0; i < (numskins - 1); i++) {
|
|
if (pskinintervals[i] > skintargettime)
|
|
break;
|
|
}
|
|
pskindesc = &paliasskingroup->skindescs[i];
|
|
}
|
|
|
|
return pskindesc;
|
|
}
|
|
|
|
void
|
|
R_DrawAliasModel (entity_t *e)
|
|
{
|
|
float add, an, minshade, radius, shade;
|
|
int texture, i;
|
|
int fb_texture = 0;
|
|
unsigned int lnum;
|
|
aliashdr_t *paliashdr;
|
|
model_t *model;
|
|
vec3_t dist, scale;
|
|
vert_order_t *vo;
|
|
|
|
model = e->model;
|
|
|
|
radius = model->radius;
|
|
if (e->scale != 1.0)
|
|
radius *= e->scale;
|
|
if (R_CullSphere (e->origin, radius))
|
|
return;
|
|
|
|
VectorSubtract (r_origin, e->origin, modelorg);
|
|
|
|
if (!model->fullbright) {
|
|
// get lighting information
|
|
R_LightPoint (e->origin);
|
|
ambientcolor[0] *= e->colormod[0];
|
|
ambientcolor[1] *= e->colormod[1];
|
|
ambientcolor[2] *= e->colormod[2];
|
|
VectorScale (ambientcolor, 0.005, ambientcolor);
|
|
VectorCopy (ambientcolor, shadecolor);
|
|
|
|
for (lnum = 0; lnum < r_maxdlights; lnum++) {
|
|
if (r_dlights[lnum].die >= r_realtime) {
|
|
float d;
|
|
|
|
VectorSubtract (e->origin, r_dlights[lnum].origin, dist);
|
|
d = DotProduct (dist, dist);
|
|
d = max (d, 64.0) * 200.0;
|
|
add = r_dlights[lnum].radius * r_dlights[lnum].radius * 8.0 /
|
|
d;
|
|
|
|
if (add > 0.0)
|
|
VectorMultAdd (ambientcolor, add, r_dlights[lnum].color,
|
|
ambientcolor);
|
|
}
|
|
}
|
|
|
|
// clamp lighting so it doesn't overbright as much
|
|
for (i = 0; i < 3; i++) {
|
|
ambientcolor[i] = min (ambientcolor[i], 128.0 / 200.0);
|
|
if (ambientcolor[i] + shadecolor[i] > 1)
|
|
shadecolor[i] = 1 - ambientcolor[i];
|
|
}
|
|
// always give the gun some light
|
|
shade = max (ambientcolor[0], max (ambientcolor[1], ambientcolor[2]));
|
|
minshade = model->min_light;
|
|
if (shade < minshade) {
|
|
ambientcolor[0] += minshade - shade;
|
|
ambientcolor[1] += minshade - shade;
|
|
ambientcolor[2] += minshade - shade;
|
|
}
|
|
|
|
an = e->angles[1] * (M_PI / 180.0);
|
|
shadevector[0] = cos (-an);
|
|
shadevector[1] = sin (-an);
|
|
shadevector[2] = 1.0;
|
|
VectorNormalize (shadevector);
|
|
}
|
|
|
|
modelalpha = e->colormod[3];
|
|
|
|
// locate the proper data
|
|
paliashdr = Cache_Get (&e->model->cache);
|
|
c_alias_polys += paliashdr->mdl.numtris;
|
|
|
|
// if the model has a colorised/external skin, use it, otherwise use
|
|
// the skin embedded in the model data
|
|
if (e->skin && !gl_nocolors->int_val) {
|
|
skin_t *skin = e->skin;
|
|
|
|
texture = skin->texture;
|
|
if (gl_fb_models->int_val) {
|
|
fb_texture = skin->fb_texture;
|
|
}
|
|
} else {
|
|
maliasskindesc_t *skindesc;
|
|
|
|
skindesc = R_AliasGetSkindesc (e->skinnum, paliashdr);
|
|
texture = skindesc->texnum;
|
|
if (gl_fb_models->int_val && !model->fullbright)
|
|
fb_texture = skindesc->fb_texnum;
|
|
}
|
|
|
|
if (paliashdr->mdl.ident == POLYHEADER16) {
|
|
VectorScale (paliashdr->mdl.scale, e->scale / 256.0, scale);
|
|
vo = GL_GetAliasFrameVerts16 (e->frame, paliashdr, e);
|
|
} else {
|
|
VectorScale (paliashdr->mdl.scale, e->scale, scale);
|
|
vo = GL_GetAliasFrameVerts (e->frame, paliashdr, e);
|
|
}
|
|
|
|
// setup the transform
|
|
qfglPushMatrix ();
|
|
R_RotateForEntity (e);
|
|
|
|
qfglTranslatef (paliashdr->mdl.scale_origin[0],
|
|
paliashdr->mdl.scale_origin[1],
|
|
paliashdr->mdl.scale_origin[2]);
|
|
qfglScalef (scale[0], scale[1], scale[2]);
|
|
|
|
if (modelalpha < 1.0)
|
|
qfglDepthMask (GL_FALSE);
|
|
|
|
// draw all the triangles
|
|
if (model->fullbright) {
|
|
|
|
qfglBindTexture (GL_TEXTURE_2D, texture);
|
|
if (vo->tex_coord)
|
|
GL_DrawAliasFrameTri_fb (vo);
|
|
else
|
|
GL_DrawAliasFrame_fb (vo);
|
|
} else if (!fb_texture) {
|
|
// Model has no fullbrights, don't bother with multi
|
|
qfglBindTexture (GL_TEXTURE_2D, texture);
|
|
if (vo->tex_coord)
|
|
GL_DrawAliasFrameTri (vo);
|
|
else
|
|
GL_DrawAliasFrame (vo);
|
|
} else { // try multitexture
|
|
if (gl_mtex_active) { // set up the textures
|
|
qglActiveTexture (gl_mtex_enum + 0);
|
|
qfglBindTexture (GL_TEXTURE_2D, texture);
|
|
|
|
qglActiveTexture (gl_mtex_enum + 1);
|
|
qfglBindTexture (GL_TEXTURE_2D, fb_texture);
|
|
qfglTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
|
|
qfglEnable (GL_TEXTURE_2D);
|
|
|
|
// do the heavy lifting
|
|
if (vo->tex_coord)
|
|
GL_DrawAliasFrameTriMulti (vo);
|
|
else
|
|
GL_DrawAliasFrameMulti (vo);
|
|
|
|
// restore the settings
|
|
qfglDisable (GL_TEXTURE_2D);
|
|
qglActiveTexture (gl_mtex_enum + 0);
|
|
} else {
|
|
if (vo->tex_coord) {
|
|
qfglBindTexture (GL_TEXTURE_2D, texture);
|
|
GL_DrawAliasFrameTri (vo);
|
|
qfglBindTexture (GL_TEXTURE_2D, fb_texture);
|
|
GL_DrawAliasFrameTri_fb (vo);
|
|
} else {
|
|
qfglBindTexture (GL_TEXTURE_2D, texture);
|
|
GL_DrawAliasFrame (vo);
|
|
qfglBindTexture (GL_TEXTURE_2D, fb_texture);
|
|
GL_DrawAliasFrame_fb (vo);
|
|
}
|
|
}
|
|
}
|
|
|
|
qfglPopMatrix ();
|
|
|
|
// FIXME: Translucent objects should cast colored shadows
|
|
// torches, grenades, and lightning bolts do not have shadows
|
|
if (r_shadows->int_val && model->shadow_alpha) {
|
|
qfglPushMatrix ();
|
|
R_RotateForEntity (e);
|
|
|
|
qfglDisable (GL_TEXTURE_2D);
|
|
qfglDepthMask (GL_FALSE);
|
|
color_black[3] = modelalpha * model->shadow_alpha;
|
|
qfglColor4ubv (color_black);
|
|
|
|
GL_DrawAliasShadow (paliashdr, vo);
|
|
|
|
qfglDepthMask (GL_TRUE);
|
|
qfglEnable (GL_TEXTURE_2D);
|
|
qfglPopMatrix ();
|
|
} else if (modelalpha < 1.0)
|
|
qfglDepthMask (GL_TRUE);
|
|
|
|
Cache_Release (&e->model->cache);
|
|
}
|