+ int n = NRAND(100);
+ if (n < 50) {
+ if (!MakeGuage(mi, newdir))
+ MakeTube(mi, newdir);
+ } else if (n < 98) {
+ MakeValve(mi, newdir);
+ } else {
+ MakeTeapot(mi,newdir);
+ }
+}
+
+static void
+pinit(ModeInfo * mi, int zera)
+{
+ pipesstruct *pp = &pipes[MI_SCREEN(mi)];
+ int X, Y, Z;
+
+ if (zera)
+ mi->polygon_count = 0;
+
+ glClearDepth(1.0);
+ glColor3f(1.0, 1.0, 1.0);
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, ambient0);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse0);
+ glLightfv(GL_LIGHT0, GL_POSITION, position0);
+ glLightfv(GL_LIGHT1, GL_AMBIENT, ambient1);
+ glLightfv(GL_LIGHT1, GL_DIFFUSE, diffuse1);
+ glLightfv(GL_LIGHT1, GL_POSITION, position1);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_LIGHT1);
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_NORMALIZE);
+ glEnable(GL_CULL_FACE);
+
+ glShadeModel(GL_SMOOTH);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, front_shininess);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, front_specular);
+
+ if (zera) {
+ pp->system_number = 1;
+ glDrawBuffer(dbuf_p ? GL_BACK : GL_FRONT);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ (void) memset(pp->Cells, 0, sizeof (pp->Cells));
+ for (X = 0; X < HCELLS; X++) {
+ for (Y = 0; Y < VCELLS; Y++) {
+ pp->Cells[X][Y][0] = 1;
+ pp->Cells[X][Y][HCELLS - 1] = 1;
+ pp->Cells[0][Y][X] = 1;
+ pp->Cells[HCELLS - 1][Y][X] = 1;
+ }
+ }
+ for (X = 0; X < HCELLS; X++) {
+ for (Z = 0; Z < HCELLS; Z++) {
+ pp->Cells[X][0][Z] = 1;
+ pp->Cells[X][VCELLS - 1][Z] = 1;
+ }
+ }
+ (void) memset(pp->usedcolors, 0, sizeof (pp->usedcolors));
+ if ((pp->initial_rotation += 10.0) > 45.0) {
+ pp->initial_rotation -= 90.0;
+ }
+ }
+ pp->counter = 0;
+ pp->turncounter = 0;
+
+ if (!MI_IS_MONO(mi)) {
+ int collist[DEFINEDCOLORS];
+ int i, j, lower = 1000;
+
+ /* Avoid repeating colors on the same screen unless necessary */
+ for (i = 0; i < DEFINEDCOLORS; i++) {
+ if (lower > pp->usedcolors[i])
+ lower = pp->usedcolors[i];
+ }
+ for (i = 0, j = 0; i < DEFINEDCOLORS; i++) {
+ if (pp->usedcolors[i] == lower) {
+ collist[j] = i;
+ j++;
+ }
+ }
+ i = collist[NRAND(j)];
+ pp->usedcolors[i]++;
+ switch (i) {
+ case 0:
+ pp->system_color = MaterialRed;
+ break;
+ case 1:
+ pp->system_color = MaterialGreen;
+ break;
+ case 2:
+ pp->system_color = MaterialBlue;
+ break;
+ case 3:
+ pp->system_color = MaterialCyan;
+ break;
+ case 4:
+ pp->system_color = MaterialYellow;
+ break;
+ case 5:
+ pp->system_color = MaterialMagenta;
+ break;
+ case 6:
+ pp->system_color = MaterialWhite;
+ break;
+ }
+ } else {
+ pp->system_color = MaterialGray;