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add trace min max params #3

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add trace min max params #3

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23 changes: 18 additions & 5 deletions src/snake.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,8 @@ struct Config {
std::string json_file;
bool json_compact = true;
RNG rng = global_rng;
int min_trace_turn = 0; // Minimum turn to start tracing from
int max_trace_turn = INT_MAX; // Maximum turn to trace until

void parse_optional_args(int argc, const char** argv);
};
Expand Down Expand Up @@ -191,8 +193,10 @@ void print_help(const char* name, std::ostream& out = std::cout) {
out << " -n, --n <rounds> Run the given number of rounds (default: " << def.num_rounds << ")." << endl;
out << " -s, --size <size> Size of the (square) board (default: " << def.board_size.w << ")." << endl;
out << " --seed <n> Random seed." << endl;
out << " -T, --trace-all Print the game state after each move." << endl;
out << " -t, --trace Print the game state each time the snake eats an apple." << endl;
out << " -T, --trace-all [min max] Print the game state after each move." << endl;
out << " When min and max are provided, only print turns between min and max (inclusive)." << endl;
out << " -t, --trace [min max] Print the game state each time the snake eats an apple." << endl;
out << " When min and max are provided, only print turns between min and max (inclusive)." << endl;
out << " --no-color Don't use ANSI color codes in trace output" << endl;
out << " -q, --quiet Don't print extra output." << endl;
out << " --json <file> Write log of one run a json file." << endl;
Expand All @@ -203,6 +207,13 @@ void print_help(const char* name, std::ostream& out = std::cout) {
}

void Config::parse_optional_args(int argc, const char** argv) {
auto parse_min_max_turns = [&](int& i) {
if (i+2 < argc && isdigit(argv[i+1][0]) && isdigit(argv[i+2][0])) {
min_trace_turn = std::stoi(argv[++i]);
max_trace_turn = std::stoi(argv[++i]);
}
};

for (int i=0; i<argc; ++i) {
std::string arg = argv[i];
if (arg == "-n" || arg == "--n") {
Expand All @@ -229,9 +240,11 @@ void Config::parse_optional_args(int argc, const char** argv) {
} else if (arg == "-t" || arg == "--trace") {
trace = Trace::eat;
num_rounds = 1;
parse_min_max_turns(i);
} else if (arg == "-T" || arg == "--trace-all") {
trace = Trace::all;
num_rounds = 1;
parse_min_max_turns(i);
} else if (arg == "-q" || arg == "--quiet") {
quiet = true;
} else if (arg == "-j" || arg == "--threads" || arg == "--num-threads") {
Expand Down Expand Up @@ -407,11 +420,11 @@ enum class Visualize {
template <typename Game>
void play(Game& game, Agent& agent, Config const& config, AgentLog* log = nullptr) {
while (!game.done()) {
if (config.trace == Trace::all) std::cout << game;
if (config.trace == Trace::all && game.turn >= config.min_trace_turn && game.turn <= config.max_trace_turn) std::cout << game;
auto event = game.move(agent(game,log));
if (event == Game::Event::eat && config.trace == Trace::eat) std::cout << game;
if (event == Game::Event::eat && config.trace == Trace::eat && game.turn >= config.min_trace_turn && game.turn <= config.max_trace_turn) std::cout << game;
}
if (config.trace == Trace::all) std::cout << game;
if (config.trace == Trace::all && game.turn >= config.min_trace_turn && game.turn <= config.max_trace_turn) std::cout << game;
}

template <typename AgentGen>
Expand Down