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annotate saves.c @ 1971:80920c21bb52

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Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
author Michael Pavone <pavone@retrodev.com>
date Fri, 08 May 2020 11:40:30 -0700
parents a568dca999b2
children
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rev   line source
1478
da1dce39e846 Refactored save slot related logic to reduce duplication and allow reuse in new UI. Get state loading/saving mostly working in new UI
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1 #include <string.h>
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2 #include <stdlib.h>
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3 #include "saves.h"
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4 #include "util.h"
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5
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6 #ifdef _WIN32
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7 #define localtime_r(a,b) localtime(a)
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8 #include <windows.h>
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9 #endif
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10 //0123456789012345678901234678
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11 //Slot N - December 31st, XXXX
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12 #define MAX_DESC_SIZE 40
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13
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14 char *get_slot_name(system_header *system, uint32_t slot_index, char *ext)
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15 {
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16 if (!system->save_dir) {
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17 return NULL;
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18 }
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19 char *fname;
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20 if (slot_index < 10) {
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21 size_t name_len = strlen("slot_N.") + strlen(ext) + 1;
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22 fname = malloc(name_len);
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23 snprintf(fname, name_len, "slot_%d.%s", slot_index, ext);
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24 } else {
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25 size_t name_len = strlen("quicksave.") + strlen(ext) + 1;
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26 fname = malloc(name_len);
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27 snprintf(fname, name_len, "quicksave.%s", ext);
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28 }
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29 char const *parts[] = {system->save_dir, PATH_SEP, fname};
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30 char *ret = alloc_concat_m(3, parts);
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31 free(fname);
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32 return ret;
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33 }
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34
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35 save_slot_info *get_slot_info(system_header *system, uint32_t *num_out)
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36 {
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37 save_slot_info *dst = calloc(11, sizeof(save_slot_info));
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38 time_t modtime;
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39 struct tm ltime;
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40 for (uint32_t i = 0; i <= QUICK_SAVE_SLOT; i++)
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41 {
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42 char * cur = dst[i].desc = malloc(MAX_DESC_SIZE);
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43 char * fname = get_slot_name(system, i, "state");
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44 modtime = get_modification_time(fname);
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45 free(fname);
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46 if (!modtime && system->type == SYSTEM_GENESIS) {
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47 fname = get_slot_name(system, i, "gst");
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48 modtime = get_modification_time(fname);
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49 free(fname);
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50 }
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51 if (i == QUICK_SAVE_SLOT) {
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52 cur += snprintf(cur, MAX_DESC_SIZE, "Quick - ");
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53 } else {
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54 cur += snprintf(cur, MAX_DESC_SIZE, "Slot %d - ", i);
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55 }
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56 if (modtime) {
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57 strftime(cur, MAX_DESC_SIZE - (cur - dst->desc), "%c", localtime_r(&modtime, &ltime));
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58 } else {
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59 strcpy(cur, "EMPTY");
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60 }
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a568dca999b2 Fix genesis save state loading via Nuklear UI, sms probably still needs work
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61 dst[i].modification_time = modtime;
1478
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62 }
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63 *num_out = QUICK_SAVE_SLOT + 1;
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64 return dst;
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65 }
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66
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67 void free_slot_info(save_slot_info *slots)
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68 {
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69 if (!slots) {
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70 return;
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71 }
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72 for (uint32_t i = 0; i <= QUICK_SAVE_SLOT; i++)
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73 {
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74 free(slots[i].desc);
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75 }
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76 free(slots);
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77 }