85     texture *tex;  in newextvol()  local
87     tex = (texture *)voidtex;  in newextvol()
97     xvol->ambient = tex->ambient;  in newextvol()
98     xvol->diffuse = tex->diffuse;  in newextvol()
99     xvol->opacity = tex->opacity;  in newextvol()
102     xvol->tex = (texture *)rt_getmem(sizeof(texture));  in newextvol()
103     memset(xvol->tex, 0, sizeof(texture));  in newextvol()
105     xvol->tex->ctr.x = 0.0;  in newextvol()
106     xvol->tex->ctr.y = 0.0;  in newextvol()
107     xvol->tex->ctr.z = 0.0;  in newextvol()
108     xvol->tex->rot = xvol->tex->ctr;  in newextvol()
109     xvol->tex->scale = xvol->tex->ctr;  in newextvol()
110     xvol->tex->uaxs = xvol->tex->ctr;  in newextvol()
111     xvol->tex->vaxs = xvol->tex->ctr;  in newextvol()
112     xvol->tex->islight = 0;  in newextvol()
113     xvol->tex->shadowcast = 0;  in newextvol()
115     xvol->tex->col = tex->col;  in newextvol()
116     xvol->tex->ambient = 1.0;  in newextvol()
117     xvol->tex->diffuse = 0.0;  in newextvol()
118     xvol->tex->specular = 0.0;  in newextvol()
119     xvol->tex->opacity = 1.0;  in newextvol()
120     xvol->tex->img = nullptr;  in newextvol()
121     xvol->tex->texfunc = (color(*)(void *, void *, void *))(ext_volume_texture);  in newextvol()
122     xvol->tex->obj = (void *)xvol; /* XXX hack! */  in newextvol()
149 color ext_volume_texture(vector *hit, texture *tex, ray *ry) {  in ext_volume_texture()  argument
168     bx = (box *)tex->obj;  in ext_volume_texture()
169     xvol = (extvol *)tex->obj;  in ext_volume_texture()
306                             diffint.r += inten * li->tex->col.r;  in ext_volume_texture()
307                             diffint.g += inten * li->tex->col.g;  in ext_volume_texture()
308                             diffint.b += inten * li->tex->col.b;  in ext_volume_texture()