IterationStack IterationForest::iterate(World& world)
{
////////////////////////////////////////
// actual iteration, implemented by subclass
////////////////////////////////////////
auto ret = iterate_forest( world );
// TODO: finish up, free mem (events, ...)
//
events_step( world.events );
// count number of IterationForest-iterations
++world.frames;
return ret;
}
void test()
{
struct forest forest;
int i;
FILE *forest_file = NULL;
char *home = getenv("HOME");
char *forest_filename = NULL;
pthread_t draw_thread;
forest_filename = malloc(strlen(home) + 10);
sprintf(forest_filename, "%s/.lforest", home);
forest.config.nrays = 10000;
forest.config.init_score = 5;
forest.config.init_iterations = 1;
forest.config.replace_trees = 0.125;
forest.config.leaf_cost = 0.5;
forest.config.branch_cost = 1.0;
forest.config.re_init_chance = 0.25;
forest.config.width = 640;
forest.config.height = 480;
forest_file = fopen(forest_filename, "rb");
if(NULL == forest_file) {
forest.config.ntrees = 250;
init_forest(&forest);
printf("%s not found: using random trees\n", forest_filename);
fflush(NULL);
}
else {
printf("%s found: using saved trees\n", forest_filename);
fflush(NULL);
read_forest(forest_file, &forest);
fclose(forest_file);
forest_file = NULL;
}
/* Launch the display thread */
forest.stop = 0;
pthread_create(&draw_thread, NULL, draw_forest_thread_start, (void*)&forest);
for(i = 0; 0 == forest.stop; ++i) {
iterate_forest(&forest);
breed_forest(&forest);
printf("."); fflush(NULL);
}
pthread_join(draw_thread, NULL);
printf("%i iterations\n", i);
forest_file = fopen(forest_filename, "wb");
if(NULL == forest_file)
printf("Failed to open %s: not saving\n", forest_filename);
else {
printf("saving to %s\n", forest_filename);
write_forest(forest_file, &forest);
fclose(forest_file);
}
free_forest(&forest);
free(forest_filename);
}
