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// File by "Yangelis" https://github.com/yangelis
#include "../game.h"
FILE *gnuplot_pipe = 0;
#define nOfGnuplotCmds 14
char *gnuplotCmds[] = {
"reset\n",
"set size 1,1\n",
"set origin 0,0\n",
"set xlabel 'Generations'\n",
"set multiplot layout 2, 2 columnsfirst title 'gp live stats'\n",
"set ylabel 'Avg Lifetime'\n",
"plot 'log.dat' using 1:2 with lines lw 2 lt 10 notitle \n",
"set ylabel 'Min lifetime'\n",
"plot 'log.dat' using 1:3 with lines lw 2 lt 10 notitle\n",
"set ylabel 'Max lifetime'\n",
"plot 'log.dat' using 1:4 with lines lw 2 lt 10 notitle\n",
"set ylabel 'Food Eaten'\n",
"plot 'log.dat' using 1:5 with lines lw 2 lt 10 notitle\n",
"unset multiplot\n"
};
float avg_lifetime(Agent *agents) {
int result = 0.0;
for (size_t i = 0; i < AGENTS_COUNT; ++i) {
result += agents[i].lifetime;
}
return (float)result / AGENTS_COUNT;
}
void log_header(FILE *stream) {
fprintf(stream, "#Loggind generations\n");
fprintf(
stream,
"#Generation, Avg Lifetime, Min Lifetime, Max Lifetime, Food eaten\n");
gnuplot_pipe = popen("gnuplot -p", "w");
}
void log_generation(FILE *stream, int gen, Game *game) {
float avg_lf = avg_lifetime(game->agents);
int max_lifetime = game->agents[0].lifetime;
int min_lifetime = game->agents[0].lifetime;
for (size_t i = 1; i < AGENTS_COUNT; ++i) {
if (game->agents[i].lifetime > max_lifetime) {
max_lifetime = game->agents[i].lifetime;
}
if (game->agents[i].lifetime < min_lifetime) {
min_lifetime = game->agents[i].lifetime;
}
}
int food_eaten = FOODS_COUNT;
for (size_t y = 0; y < BOARD_HEIGHT; ++y) {
for (size_t x = 0; x < BOARD_WIDTH; ++x) {
if (game->foods_map[y][x]) {
food_eaten--;
}
}
}
/* Writing to log file*/
fprintf(stream, "%d, %f, %d, %d, %d\n", gen, avg_lf, min_lifetime,
max_lifetime, food_eaten);
}
void log_live_update(void) {
for (size_t i = 0; i < nOfGnuplotCmds; ++i) {
fprintf(gnuplot_pipe, "%s \n", gnuplotCmds[i]);
}
fflush(gnuplot_pipe);
}
void log_close_pipe(void) { pclose(gnuplot_pipe); }
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