File: statemanager.h

package info (click to toggle)
libretro-snes9x 1.53%2Bgit20160522-1
  • links: PTS
  • area: non-free
  • in suites: bullseye, buster, stretch
  • size: 3,048 kB
  • ctags: 6,243
  • sloc: cpp: 58,003; makefile: 212; sh: 2
file content (35 lines) | stat: -rw-r--r-- 717 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
#ifndef STATEMANAGER_H
#define STATEMANAGER_H

/*  State Manager Class that records snapshot data for rewinding
    mostly based on SSNES's rewind code by Themaister
*/

#include "snes9x.h"

class StateManager {
private:
    uint64_t *buffer;
    size_t buf_size;
    size_t buf_size_mask;
    uint32_t *tmp_state;
    uint32_t *in_state;
    size_t top_ptr;
    size_t bottom_ptr;
    size_t state_size;
    size_t real_state_size;
    bool init_done;
    bool first_pop;
    
    void reassign_bottom();
    void generate_delta(const void *data);
    void deallocate();
public:
    StateManager();
    ~StateManager();
    bool init(size_t buffer_size);
    int pop();
    bool push();
};

#endif // STATEMANAGER_H