jkxr/Projects/Android/jni/OpenJK/codemp/cgame/cg_light.c

106 lines
2.5 KiB
C

/*
===========================================================================
Copyright (C) 2000 - 2013, Raven Software, Inc.
Copyright (C) 2001 - 2013, Activision, Inc.
Copyright (C) 2013 - 2015, OpenJK contributors
This file is part of the OpenJK source code.
OpenJK is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.
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, see <http://www.gnu.org/licenses/>.
===========================================================================
*/
#include "cg_local.h"
typedef struct clightstyle_s {
int length;
color4ub_t value;
color4ub_t map[MAX_QPATH];
} clightstyle_t;
static clightstyle_t cl_lightstyle[MAX_LIGHT_STYLES];
static int lastofs;
/*
================
CG_ClearLightStyles
================
*/
void CG_ClearLightStyles (void)
{
int i;
memset( cl_lightstyle, 0, sizeof( cl_lightstyle ) );
lastofs = -1;
for ( i=0; i<MAX_LIGHT_STYLES*3; i++ )
CG_SetLightstyle( i );
}
/*
================
CG_RunLightStyles
================
*/
void CG_RunLightStyles (void)
{
int ofs, i;
clightstyle_t *ls;
ofs = cg.time / 50;
// if ( ofs == lastofs )
// return;
lastofs = ofs;
for ( i=0, ls=cl_lightstyle; i<MAX_LIGHT_STYLES; i++, ls++ ) {
byteAlias_t *ba = (byteAlias_t *)&ls->value;
ls->value[3] = 255;
if ( !ls->length ) {
ls->value[0] = ls->value[1] = ls->value[2] = 255;
}
else if ( ls->length == 1 ) {
ls->value[0] = ls->map[0][0];
ls->value[1] = ls->map[0][1];
ls->value[2] = ls->map[0][2];
// ls->value[3] = ls->map[0][3];
}
else {
ls->value[0] = ls->map[ofs%ls->length][0];
ls->value[1] = ls->map[ofs%ls->length][1];
ls->value[2] = ls->map[ofs%ls->length][2];
// ls->value[3] = ls->map[ofs%ls->length][3];
}
trap->R_SetLightStyle( i, ba->i );
}
}
void CG_SetLightstyle (int i)
{
const char *s;
int j, k;
s = CG_ConfigString( i+CS_LIGHT_STYLES );
j = strlen (s);
if (j >= MAX_QPATH)
{
Com_Error (ERR_DROP, "svc_lightstyle length=%i", j);
}
cl_lightstyle[(i/3)].length = j;
for (k=0 ; k<j ; k++)
{
cl_lightstyle[(i/3)].map[k][(i%3)] = (float)(s[k]-'a')/(float)('z'-'a') * 255.0;
}
}