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file based save states, and improved file structure

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This commit is contained in:
Samuel Walker
2025-05-23 16:37:55 -06:00
parent b86d550812
commit 821c20eba8
6 changed files with 75 additions and 7 deletions
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41
lib/state.c
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@ -1,4 +1,5 @@
#include <state.h>
#include <windows.h>
void state_save(save_state* state) {
printf("Saving state\n");
@ -24,4 +25,44 @@ void state_load(const save_state* state) {
audio_load_state(&state->audio);
gamepad_load_state(&state->ctlr);
cart_load_state(&state->cart);
}
void state_save_file(u8 slot) {
save_state* state = malloc(sizeof(*state));
state_save(state);
char *filename = strrchr(cart_get_context()->filename, '\\');
filename++;
char fn[1048];
char *profile = getenv("USERPROFILE");
sprintf(fn, "%s/Documents/gbemu/states/%s", profile, filename);
CreateDirectory(fn, NULL);
sprintf(fn, "%s/Documents/gbemu/states/%s/%d.state", profile, filename, slot);
FILE *fp = fopen(fn, "wb");
if(!fp) {
fprintf(stderr, "unable to save state %d\n", slot);
return;
}
fwrite(state, sizeof(*state), 1, fp);
fclose(fp);
}
void state_load_file(u8 slot) {
save_state* state = malloc(sizeof(*state));
char *filename = strrchr(cart_get_context()->filename, '\\');
filename++;
char fn[1048];
char *profile = getenv("USERPROFILE");
sprintf(fn, "%s/Documents/gbemu/states/%s/%d.state", profile, filename, slot);
FILE *fp = fopen(fn, "rb");
if(!fp) {
printf("Save slot %d doesnt exist.\n", slot);
return;
}
fread(state, sizeof(*state), 1, fp);
fclose(fp);
state_load(state);
}