mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-11 15:51:36 +00:00
858ac19327
r_screen because of SCR_UpdateScreen, and r_cvar because the cvars really should never have been in a plugin in the first place (and r_screen needed access).
125 lines
3.1 KiB
C
125 lines
3.1 KiB
C
/*
|
|
#FILENAME#
|
|
|
|
#DESCRIPTION#
|
|
|
|
Copyright (C) 2001 #AUTHOR#
|
|
|
|
Author: #AUTHOR#
|
|
Date: #DATE#
|
|
|
|
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
|
|
|
|
#ifdef HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
|
|
#include "QF/cvar.h"
|
|
#include "QF/qtypes.h"
|
|
#include "QF/render.h"
|
|
#include "QF/sys.h"
|
|
|
|
#include "r_internal.h"
|
|
|
|
qboolean r_inhibit_viewmodel;
|
|
qboolean r_force_fullscreen;
|
|
qboolean r_paused;
|
|
double r_realtime;
|
|
double r_frametime;
|
|
entity_t *r_view_model;
|
|
entity_t *r_player_entity;
|
|
float r_time1;
|
|
int r_lineadj;
|
|
qboolean r_active;
|
|
int r_init;
|
|
|
|
entity_t *currententity;
|
|
|
|
int r_visframecount; // bumped when going to a new PVS
|
|
int r_framecount = 1; // so frame counts initialized to 0 don't match
|
|
|
|
vec3_t modelorg; // modelorg is the viewpoint relative to
|
|
// the currently rendering entity
|
|
vec3_t base_modelorg;
|
|
vec3_t r_entorigin; // the currently rendering entity in world
|
|
// coordinates
|
|
entity_t *currententity;
|
|
entity_t r_worldentity;
|
|
|
|
// view origin
|
|
vec3_t vup, base_vup;
|
|
vec3_t vpn, base_vpn;
|
|
vec3_t vright, base_vright;
|
|
vec3_t r_origin;
|
|
|
|
// screen size info
|
|
refdef_t r_refdef;
|
|
|
|
int d_lightstylevalue[256]; // 8.8 fraction of base light value
|
|
|
|
byte color_white[4] = { 255, 255, 255, 0 }; // alpha will be explicitly set
|
|
byte color_black[4] = { 0, 0, 0, 0 }; // alpha will be explicitly set
|
|
|
|
static inline int
|
|
SignbitsForPlane (plane_t *out)
|
|
{
|
|
int bits, j;
|
|
|
|
// for fast box on planeside test
|
|
|
|
bits = 0;
|
|
for (j = 0; j < 3; j++) {
|
|
if (out->normal[j] < 0)
|
|
bits |= 1 << j;
|
|
}
|
|
return bits;
|
|
}
|
|
|
|
void
|
|
R_SetFrustum (void)
|
|
{
|
|
int i;
|
|
|
|
// rotate VPN right by FOV_X/2 degrees
|
|
RotatePointAroundVector (frustum[0].normal, vup, vpn,
|
|
-(90 - r_refdef.fov_x / 2));
|
|
// rotate VPN left by FOV_X/2 degrees
|
|
RotatePointAroundVector (frustum[1].normal, vup, vpn,
|
|
90 - r_refdef.fov_x / 2);
|
|
// rotate VPN up by FOV_Y/2 degrees
|
|
RotatePointAroundVector (frustum[2].normal, vright, vpn,
|
|
90 - r_refdef.fov_y / 2);
|
|
// rotate VPN down by FOV_Y/2 degrees
|
|
RotatePointAroundVector (frustum[3].normal, vright, vpn,
|
|
-(90 - r_refdef.fov_y / 2));
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
frustum[i].type = PLANE_ANYZ;
|
|
frustum[i].dist = DotProduct (r_origin, frustum[i].normal);
|
|
frustum[i].signbits = SignbitsForPlane (&frustum[i]);
|
|
}
|
|
}
|