110 void reset_intersection(intersectstruct *intstruct) {  in reset_intersection()  argument
111     intstruct->num = 0;  in reset_intersection()
112     intstruct->list[0].t = FHUGE;  in reset_intersection()
113     intstruct->list[0].obj = nullptr;  in reset_intersection()
114     intstruct->list[1].t = FHUGE;  in reset_intersection()
115     intstruct->list[1].obj = nullptr;  in reset_intersection()
119     intersectstruct *intstruct = ry->intstruct;  in add_intersection()  local
132         intstruct->num++;  in add_intersection()
133         intstruct->list[intstruct->num].obj = obj;  in add_intersection()
134         intstruct->list[intstruct->num].t = t;  in add_intersection()
138 int closest_intersection(flt *t, object **obj, intersectstruct *intstruct) {  in closest_intersection()  argument
142     for (i = 1; i <= intstruct->num; i++) {  in closest_intersection()
143         if (intstruct->list[i].t < *t) {  in closest_intersection()
144             *t = intstruct->list[i].t;  in closest_intersection()
145             *obj = intstruct->list[i].obj;  in closest_intersection()
149     return intstruct->num;  in closest_intersection()
152 int shadow_intersection(intersectstruct *intstruct, flt maxdist) {  in shadow_intersection()  argument
155     if (intstruct->num > 0) {  in shadow_intersection()
156         for (i = 1; i <= intstruct->num; i++) {  in shadow_intersection()
157             if ((intstruct->list[i].t < maxdist) &&  in shadow_intersection()
158                 (intstruct->list[i].obj->tex->shadowcast == 1)) {  in shadow_intersection()