codemp/cgame/cg_light.c

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#include "cg_local.h"

#if !defined(CG_LIGHTS_H_INC)
        #include "cg_lights.h"
#endif

static  clightstyle_t   cl_lightstyle[MAX_LIGHT_STYLES];
static  int                             lastofs;

/*
================
FX_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);
        }
}

/*
================
FX_RunLightStyles
================
*/
void CG_RunLightStyles (void)
{
        int             ofs;
        int             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++)
        {
                if (!ls->length)
                {
                        ls->value[0] = ls->value[1] = ls->value[2] = ls->value[3] = 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] = 255; //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] = 255; //ls->map[ofs%ls->length][3];
                }
                trap_R_SetLightStyle(i, *(int*)ls->value);
        }
}

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;
        }
}