christoph/cpp-masssprings
1
Fork 0
Code Releases Activity

restructure puzzle space generation (for boards up to 5x5)

Browse Source 
- uses a huge global seen-states-cache. Not scalable without more
filtering
This commit is contained in:
Christoph Urlacher
2026-03-07 23:33:55 +01:00
parent 51723353fd
commit 3230d806f7
33 changed files with 1557 additions and 1245 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
include/state_manager.hpp
View File

@ -22,9 +22,9 @@ private:
// State storage (store states twice for bidirectional lookup).
// Everything else should only store indices to state_pool.
std::vector<puzzle> state_pool; // Indices are equal to mass_springs mass indices
boost::unordered_flat_map<puzzle, size_t, puzzle_hasher> state_indices; // Maps states to indices
std::vector<std::pair<size_t, size_t>> links; // Indices are equal to mass_springs springs indices
std::vector<puzzle> state_pool; // Indices are equal to mass_springs mass indices
puzzlemap<size_t> state_indices; // Maps states to indices
std::vector<spring> links; // Indices are equal to mass_springs springs indices
graph_distances node_target_distances; // Buffered and reused if the graph doesn't change
boost::unordered_flat_set<size_t> winning_indices; // Indices of all states where the board is solved
@ -48,10 +48,7 @@ public:
reload_preset_file();
}
state_manager(const state_manager& copy) = delete;
auto operator=(const state_manager& copy) -> state_manager& = delete;
state_manager(state_manager&& move) = delete;
auto operator=(state_manager&& move) -> state_manager& = delete;
NO_COPY_NO_MOVE(state_manager);
private:
/**
@ -83,8 +80,7 @@ private:
* @param states List of states to insert
* @param _links List of links to insert
*/
auto synced_insert_statespace(const std::vector<puzzle>& states,
const std::vector<std::pair<size_t, size_t>>& _links) -> void;
auto synced_insert_statespace(const std::vector<puzzle>& states, const std::vector<spring>& _links) -> void;
/**
* Clears all states and links (and related) from the state_manager and the physics system.
@ -130,7 +126,7 @@ public:
[[nodiscard]] auto get_target_count() const -> size_t;
[[nodiscard]] auto get_link_count() const -> size_t;
[[nodiscard]] auto get_path_length() const -> size_t;
[[nodiscard]] auto get_links() const -> const std::vector<std::pair<size_t, size_t>>&;
[[nodiscard]] auto get_links() const -> const std::vector<spring>&;
[[nodiscard]] auto get_winning_indices() const -> const boost::unordered_flat_set<size_t>&;
[[nodiscard]] auto get_visit_counts() const -> const boost::unordered_flat_map<size_t, int>&;
[[nodiscard]] auto get_winning_path() const -> const std::vector<size_t>&;