"*showFPS: False\n" \
"*wireframe: False\n"
-# define refresh_glhanoi 0
+# define release_glhanoi 0
/* polygon resolution of poles and disks */
#define NSLICE 32
#ifdef USE_MODULES
ModStruct glhanoi_description = {
- "glhanoi", "init_glhanoi", "draw_glhanoi", "release_glhanoi",
- "draw_glhanoi", "init_glhanoi", NULL, &glhanoi_opts,
+ "glhanoi", "init_glhanoi", "draw_glhanoi", NULL,
+ "draw_glhanoi", "init_glhanoi", "free_glhanoi", &glhanoi_opts,
1000, 1, 2, 1, 4, 1.0, "",
"Towers of Hanoi", 0, NULL
};
*/
ENTRYPOINT void reshape_glhanoi(ModeInfo * mi, int width, int height)
{
- glViewport(0, 0, (GLint) width, (GLint) height);
+ glhcfg *glhanoi = &glhanoi_cfg[MI_SCREEN(mi)];
+ double h = (GLfloat) height / (GLfloat) width;
+ int y = 0;
+
+ if (width > height * 5) { /* tiny window: show middle */
+ height = width * 9/16;
+ y = -height/2;
+ h = height / (GLfloat) width;
+ }
+
+ glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(glhanoi->glx_context));
+
+ glViewport(0, y, (GLint) width, (GLint) height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
- gluPerspective(30.0, (GLdouble) width / (GLdouble) height, 1.0,
+ gluPerspective(30.0, 1/h, 1.0,
2 * MAX_CAMERA_RADIUS);
glMatrixMode(GL_MODELVIEW);
ENTRYPOINT void init_glhanoi(ModeInfo * mi)
{
glhcfg *glhanoi;
- if(!glhanoi_cfg) {
- glhanoi_cfg =
- (glhcfg *) calloc(MI_NUM_SCREENS(mi), sizeof(glhcfg));
- checkAllocAndExit(!!glhanoi_cfg, "configuration");
- }
+ MI_INIT(mi, glhanoi_cfg);
glhanoi = &glhanoi_cfg[MI_SCREEN(mi)];
glhanoi->glx_context = init_GL(mi);
return False;
}
-ENTRYPOINT void release_glhanoi(ModeInfo * mi)
+ENTRYPOINT void free_glhanoi(ModeInfo * mi)
{
- if(glhanoi_cfg != NULL) {
- int screen;
- for(screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
- int i;
- int j;
- glhcfg *glh = &glhanoi_cfg[screen];
- glDeleteLists(glh->floorList, 1);
- glDeleteLists(glh->baseList, 1);
- glDeleteLists(glh->poleList, 1);
- glDeleteLists(glh->textureNames[0], 2);
- for(j = 0; j < glh->numberOfDisks; ++j) {
- glDeleteLists(glh->disk[j].displayList, 1);
- }
- free(glh->disk);
- for(i = 0; i < glh->numberOfPoles; i++) {
- if(glh->pole[i].data != NULL) {
- free(glh->pole[i].data);
- }
+ int i;
+ int j;
+ glhcfg *glh = &glhanoi_cfg[MI_SCREEN(mi)];
+ if (glh->glx_context) {
+ glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(glh->glx_context));
+ glDeleteLists(glh->floorList, 1);
+ glDeleteLists(glh->baseList, 1);
+ glDeleteLists(glh->poleList, 1);
+ glDeleteLists(glh->textureNames[0], 2);
+ for(j = 0; j < glh->numberOfDisks; ++j) {
+ glDeleteLists(glh->disk[j].displayList, 1);
+ }
+ free(glh->disk);
+ for(i = 0; i < glh->numberOfPoles; i++) {
+ if(glh->pole[i].data != NULL) {
+ free(glh->pole[i].data);
}
}
}
- free(glhanoi_cfg);
- glhanoi_cfg = NULL;
}
XSCREENSAVER_MODULE ("GLHanoi", glhanoi)