2001-02-26 06:48:02 +00:00
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2001-02-19 21:15:25 +00:00
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/*
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view.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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$Id$
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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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2001-04-11 07:57:08 +00:00
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#include "client.h"
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2001-03-27 20:33:07 +00:00
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#include "QF/compat.h"
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#include "QF/console.h"
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2001-02-19 21:15:25 +00:00
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#include "draw.h"
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2001-04-11 07:57:08 +00:00
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#include "host.h"
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#include "view.h"
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2001-04-15 04:18:22 +00:00
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#include "QF/vid.h"
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2001-04-11 07:57:08 +00:00
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extern byte gammatable[256];
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extern qboolean V_CheckGamma (void);
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extern void V_CalcIntermissionRefdef (void);
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extern void V_CalcPowerupCshift (void);
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extern void V_CalcRefdef (void);
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extern cvar_t *crosshair;
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extern cvar_t *scr_ofsx;
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extern cvar_t *scr_ofsy;
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extern cvar_t *scr_ofsz;
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2001-02-19 21:15:25 +00:00
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/*
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V_UpdatePalette
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*/
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void
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V_UpdatePalette (void)
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{
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2001-02-26 06:48:02 +00:00
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int i, j;
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qboolean new;
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byte *basepal, *newpal;
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byte pal[768];
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int r, g, b;
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qboolean force;
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2001-02-19 21:15:25 +00:00
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V_CalcPowerupCshift ();
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2001-02-26 06:48:02 +00:00
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2001-02-19 21:15:25 +00:00
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new = false;
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2001-02-26 06:48:02 +00:00
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for (i = 0; i < NUM_CSHIFTS; i++) {
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if (cl.cshifts[i].percent != cl.prev_cshifts[i].percent) {
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2001-02-19 21:15:25 +00:00
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new = true;
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cl.prev_cshifts[i].percent = cl.cshifts[i].percent;
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}
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2001-02-26 06:48:02 +00:00
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for (j = 0; j < 3; j++)
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if (cl.cshifts[i].destcolor[j] != cl.prev_cshifts[i].destcolor[j]) {
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2001-02-19 21:15:25 +00:00
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new = true;
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cl.prev_cshifts[i].destcolor[j] = cl.cshifts[i].destcolor[j];
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}
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}
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2001-02-26 06:48:02 +00:00
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2001-02-19 21:15:25 +00:00
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// drop the damage value
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2001-02-26 06:48:02 +00:00
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cl.cshifts[CSHIFT_DAMAGE].percent -= host_frametime * 150;
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2001-02-19 21:15:25 +00:00
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if (cl.cshifts[CSHIFT_DAMAGE].percent <= 0)
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cl.cshifts[CSHIFT_DAMAGE].percent = 0;
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// drop the bonus value
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2001-02-26 06:48:02 +00:00
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cl.cshifts[CSHIFT_BONUS].percent -= host_frametime * 100;
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2001-02-19 21:15:25 +00:00
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if (cl.cshifts[CSHIFT_BONUS].percent <= 0)
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cl.cshifts[CSHIFT_BONUS].percent = 0;
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force = V_CheckGamma ();
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if (!new && !force)
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return;
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2001-02-26 06:48:02 +00:00
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2001-04-15 04:18:22 +00:00
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basepal = vid_basepal;
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2001-02-19 21:15:25 +00:00
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newpal = pal;
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2001-02-26 06:48:02 +00:00
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for (i = 0; i < 256; i++) {
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2001-02-19 21:15:25 +00:00
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r = basepal[0];
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g = basepal[1];
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b = basepal[2];
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basepal += 3;
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2001-02-26 06:48:02 +00:00
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for (j = 0; j < NUM_CSHIFTS; j++) {
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r +=
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(cl.cshifts[j].percent * (cl.cshifts[j].destcolor[0] - r)) >> 8;
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g +=
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(cl.cshifts[j].percent * (cl.cshifts[j].destcolor[1] - g)) >> 8;
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b +=
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(cl.cshifts[j].percent * (cl.cshifts[j].destcolor[2] - b)) >> 8;
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2001-02-19 21:15:25 +00:00
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}
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2001-02-26 06:48:02 +00:00
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2001-02-19 21:15:25 +00:00
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newpal[0] = gammatable[r];
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newpal[1] = gammatable[g];
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newpal[2] = gammatable[b];
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newpal += 3;
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}
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2001-02-26 06:48:02 +00:00
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VID_ShiftPalette (pal);
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2001-02-19 21:15:25 +00:00
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}
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/*
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==================
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V_RenderView
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The player's clipping box goes from (-16 -16 -24) to (16 16 32) from
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the entity origin, so any view position inside that will be valid
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==================
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*/
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2001-02-26 06:48:02 +00:00
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extern vrect_t scr_vrect;
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2001-02-19 21:15:25 +00:00
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2001-02-26 06:48:02 +00:00
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void
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V_RenderView (void)
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2001-02-19 21:15:25 +00:00
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{
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2001-02-21 21:44:57 +00:00
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if (!cl.worldmodel || cls.signon != SIGNONS)
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2001-02-19 21:15:25 +00:00
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return;
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// don't allow cheats in multiplayer
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2001-02-26 06:48:02 +00:00
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if (cl.maxclients > 1) {
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Cvar_Set (scr_ofsx, "0");
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Cvar_Set (scr_ofsy, "0");
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Cvar_Set (scr_ofsz, "0");
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2001-02-19 21:15:25 +00:00
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}
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2001-02-26 06:48:02 +00:00
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if (cl.intermission) { // intermission / finale rendering
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V_CalcIntermissionRefdef ();
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} else {
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if (!cl.paused /* && (sv.maxclients > 1 || key_dest
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== key_game) */ )
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2001-02-19 21:15:25 +00:00
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V_CalcRefdef ();
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}
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R_PushDlights (vec3_origin);
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R_RenderView ();
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if (crosshair->int_val)
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2001-02-26 06:48:02 +00:00
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Draw_Crosshair ();
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2001-02-19 21:15:25 +00:00
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}
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void
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BuildGammaTable (float b, float c)
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{
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2001-02-26 06:48:02 +00:00
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int i, j;
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int inf = 0;
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2001-02-19 21:15:25 +00:00
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if ((b == 1.0) && (c == 1.0)) {
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for (i = 0; i < 256; i++)
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gammatable[i] = i;
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return;
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}
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2001-02-26 06:48:02 +00:00
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for (i = 0; i < 256; i++) {
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2001-02-19 21:15:25 +00:00
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if (!(i == 128)) {
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if (i < 128) {
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j = i + (int) ((128 - i) * (1 - c));
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} else {
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j = i + (int) ((i - 128) * (1 - c));
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}
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} else {
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j = i;
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}
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2001-02-26 06:48:02 +00:00
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inf = (j * b); // gamma is brightness now, and
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// positive
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inf = bound (0, inf, 255);
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2001-02-19 21:15:25 +00:00
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gammatable[i] = inf;
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}
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}
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