christoph/cpp-masssprings
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store winning condition in state + remove presets

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This commit is contained in:
Christoph Urlacher
2026-02-24 21:33:05 +01:00
parent f31f9557b3
commit d8534cacdd
11 changed files with 178 additions and 279 deletions
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56
src/state.cpp
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@ -1,7 +1,8 @@
#include "state.hpp"
#include "config.hpp"
#include "presets.hpp"
#include <fstream>
#include <ios>
#include <raymath.h>
#ifdef TRACY
@ -9,30 +10,61 @@
#include <tracy/Tracy.hpp>
#endif
auto StateManager::ParsePresetFile(const std::string &preset_file) -> void {
std::ifstream file(preset_file);
if (!file) {
std::cout << "Preset file \"" << preset_file << "\" couldn't be loaded."
<< std::endl;
return;
}
std::string line;
std::vector<std::string> lines;
while (std::getline(file, line)) {
if (line.starts_with("F") || line.starts_with("R")) {
lines.push_back(line);
}
}
if (lines.size() == 0) {
std::cout << "Preset file \"" << preset_file << "\" couldn't be loaded."
<< std::endl;
return;
}
presets.clear();
for (const auto &preset : lines) {
presets.emplace_back(preset);
}
std::cout << "Loaded " << lines.size() << " presets." << std::endl;
}
auto StateManager::LoadPreset(int preset) -> void {
current_preset = preset;
current_state = CurrentGenerator()();
current_state = presets.at(current_preset);
ClearGraph();
edited = false;
}
auto StateManager::ResetState() -> void {
current_state = CurrentGenerator()();
current_state = presets.at(current_preset);
previous_state = current_state;
if (edited) {
// We also need to clear the graph in case the state has been edited
// because the graph could contain states that are impossible to reach now.
// because the graph could contain states that are impossible to reach
// now.
ClearGraph();
edited = false;
}
}
auto StateManager::PreviousPreset() -> void {
LoadPreset((generators.size() + current_preset - 1) % generators.size());
LoadPreset((presets.size() + current_preset - 1) % presets.size());
}
auto StateManager::NextPreset() -> void {
LoadPreset((current_preset + 1) % generators.size());
LoadPreset((current_preset + 1) % presets.size());
}
auto StateManager::FillGraph() -> void {
@ -62,7 +94,7 @@ auto StateManager::UpdateGraph() -> void {
}
visited_states.insert(current_state);
if (win_conditions[current_preset](current_state)) {
if (current_state.IsWon()) {
winning_states.insert(current_state);
}
}
@ -85,20 +117,12 @@ auto StateManager::ClearGraph() -> void {
auto StateManager::FindWinningStates() -> void {
winning_states.clear();
for (const auto &[state, mass] : states) {
if (CurrentWinCondition()(state)) {
if (state.IsWon()) {
winning_states.insert(state);
}
}
}
auto StateManager::CurrentGenerator() const -> StateGenerator {
return generators[current_preset];
}
auto StateManager::CurrentWinCondition() const -> WinCondition {
return win_conditions[current_preset];
}
auto StateManager::CurrentMassIndex() const -> std::size_t {
return states.at(current_state);
}