63 lines
1.2 KiB
C++
63 lines
1.2 KiB
C++
#ifndef SAVE_STATES_H
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#define SAVE_STATES_H
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#include <cstdint>
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#include <queue>
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#include <unordered_map>
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#include <memory>
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#include <mutex>
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enum class SaveStateReturn {
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SUCCESS,
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FAIL_INVALID_SLOT,
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FAIL_NO_MEMORY,
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FAIL_STATE_EMPTY,
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FAIL_WRONG_GAMESTATE,
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FAIL_BAD_REQUEST,
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};
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typedef struct SaveStateHeader {
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uint32_t stateMagic;
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uint32_t stateVersion;
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//uint32_t gameVersion;
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} SaveStateHeader;
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enum class RequestType {
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SAVE,
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LOAD,
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};
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typedef struct SaveStateRequest {
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unsigned int slot;
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RequestType type;
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} SaveStateRequest;
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class SaveState;
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class SaveStateMgr {
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friend class SaveState;
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private:
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unsigned int currentSlot;
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std::unordered_map<unsigned int, std::shared_ptr<SaveState>> states;
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std::queue <SaveStateRequest> requests;
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std::mutex mutex;
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public:
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SaveStateReturn AddRequest(const SaveStateRequest request);
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SaveStateMgr();
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~SaveStateMgr();
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void SetCurrentSlot(unsigned int slot);
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unsigned int GetCurrentSlot(void);
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SaveStateMgr& operator=(const SaveStateMgr& rhs) = delete;
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SaveStateMgr(const SaveStateMgr& rhs) = delete;
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void ProcessSaveStateRequests(void);
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};
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extern std::shared_ptr<SaveStateMgr> gSaveStateMgr;
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#endif
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