104 lines
2.4 KiB
C++
104 lines
2.4 KiB
C++
#ifndef __STATE_HPP_
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#define __STATE_HPP_
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#include "config.hpp"
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#include "distance.hpp"
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#include "physics.hpp"
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#include "puzzle.hpp"
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#include <raymath.h>
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#include <stack>
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#include <unordered_map>
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#include <unordered_set>
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class StateManager {
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public:
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ThreadedPhysics &physics;
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std::vector<State> presets = {State()};
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std::vector<std::string> comments = {"Empty"};
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// Some stuff is faster to map from state to mass (e.g. in the renderer)
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std::unordered_map<State, std::size_t> states; // State to mass id
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std::unordered_set<State> winning_states;
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std::unordered_map<State, int> visited_states; // How often we've been here
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std::stack<State> history;
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// Other stuff maps from mass to state :/
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std::unordered_map<std::size_t, State> masses; // Mass id to state
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std::vector<std::size_t> winning_path;
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// Fuck it, duplicate the springs too, we don't even need to copy them from
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// the physics thread then...
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std::vector<std::pair<std::size_t, std::size_t>> springs;
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// Distance calculation result can be buffered and reused to calculate a new
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// path on the same graph
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DistanceResult target_distances;
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std::string preset_file;
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int total_moves = 0;
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int current_preset = 0;
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State starting_state;
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State current_state;
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State previous_state;
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bool edited = false;
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public:
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StateManager(ThreadedPhysics &_physics, const std::string &preset_file)
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: physics(_physics) {
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ParsePresetFile(preset_file);
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current_state = presets.at(current_preset);
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ClearGraph();
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}
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StateManager(const StateManager ©) = delete;
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StateManager &operator=(const StateManager ©) = delete;
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StateManager(StateManager &&move) = delete;
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StateManager &operator=(StateManager &&move) = delete;
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~StateManager() {}
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private:
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auto ParsePresetFile(const std::string &_preset_file) -> bool;
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public:
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auto AppendPresetFile(const std::string preset_name) -> void;
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auto LoadPreset(int preset) -> void;
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auto ResetState() -> void;
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auto PreviousPreset() -> void;
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auto NextPreset() -> void;
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auto NextPath() -> void;
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auto FillGraph() -> void;
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auto UpdateGraph() -> void;
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auto ClearGraph() -> void;
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auto FindWinningStates() -> void;
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auto FindTargetDistances() -> void;
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auto FindTargetPath() -> void;
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auto FindWorstState() -> State;
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auto GoToWorst() -> void;
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auto GoToNearestTarget() -> void;
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auto PopHistory() -> void;
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auto CurrentMassIndex() const -> std::size_t;
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};
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#endif
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