christoph/cpp-masssprings
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update menu + block placing visualization + add move history

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This commit is contained in:
Christoph Urlacher
2026-02-25 12:43:32 +01:00
parent 3f8274f1d9
commit 82d618f692
5 changed files with 82 additions and 30 deletions
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40
src/state.cpp
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@ -133,7 +133,17 @@ auto StateManager::UpdateGraph() -> void {
}
visited_states.insert(current_state);
if (history.size() > 0 && history.top() == current_state) {
// We don't pop the stack when moving backwards to indicate if we need to
// push or pop here
history.pop();
} else {
history.push(previous_state);
}
FindTargetPath();
previous_state = current_state;
}
auto StateManager::ClearGraph() -> void {
@ -143,6 +153,7 @@ auto StateManager::ClearGraph() -> void {
masses.clear();
winning_path.clear();
springs.clear();
history = std::stack<State>();
target_distances.Clear();
physics.ClearCmd();
@ -193,8 +204,8 @@ auto StateManager::FindTargetPath() -> void {
}
winning_path = GetPath(target_distances, CurrentMassIndex());
std::cout << "Nearest target is " << winning_path.size() << " moves away."
<< std::endl;
// std::cout << "Nearest target is " << winning_path.size() << " moves away."
// << std::endl;
}
auto StateManager::FindWorstState() -> State {
@ -205,8 +216,8 @@ auto StateManager::FindWorstState() -> State {
int max = 0;
int index = 0;
for (std::size_t i = 0; i < target_distances.distances.size(); ++i) {
if (target_distances.distances[i] > max) {
max = target_distances.distances[i];
if (target_distances.distances.at(i) > max) {
max = target_distances.distances.at(i);
index = i;
}
}
@ -214,9 +225,24 @@ auto StateManager::FindWorstState() -> State {
return masses.at(index);
}
auto StateManager::GoToWorst() -> void {
current_state = FindWorstState();
FindTargetPath();
auto StateManager::GoToWorst() -> void { current_state = FindWorstState(); }
auto StateManager::GoToNearestTarget() -> void {
if (target_distances.Empty()) {
return;
}
current_state =
masses.at(target_distances.nearest_targets.at(CurrentMassIndex()));
}
auto StateManager::PopHistory() -> void {
if (history.size() == 0) {
return;
}
current_state = history.top();
// history.pop(); // Done in UpdateGraph();
}
auto StateManager::CurrentMassIndex() const -> std::size_t {