mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
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b1f11ed311
~ optimized VDP renderer buffers size ~ fixed directories automatic creation + added game screenshot feature + added game screenshot support in ROM File browser + improved Controller menu icons + added new images for the new Controller menu - removed unused images
118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
/*
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* history.c
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*
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* Generic ROM history list managment
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*
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* code by Martin Disibio (6/17/08)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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********************************************************************************/
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#include "shared.h"
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#include "history.h"
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t_history history;
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/****************************************************************************
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* history_add_file
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*
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* Adds the given file path to the top of the history list, shifting each
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* existing entry in the history down one place. If given file path is
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* already in the list then the existing entry is (in effect) moved to the
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* top instead.
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****************************************************************************/
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void history_add_file(char *filepath, char *filename)
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{
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/* Create the new entry for this path. */
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t_history_entry newentry;
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strncpy(newentry.filepath, filepath, MAXJOLIET - 1);
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strncpy(newentry.filename, filename, MAXJOLIET - 1);
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newentry.filepath[MAXJOLIET - 1] = '\0';
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newentry.filename[MAXJOLIET - 1] = '\0';
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t_history_entry oldentry; /* Old entry is the one being shuffled down a spot. */
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t_history_entry currentry; /* Curr entry is the one that just replaced old path. */
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/* Initially set curr entry to the new value. */
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memcpy(¤try, &newentry, sizeof(t_history_entry));
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int i;
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for(i=0; i < NUM_HISTORY_ENTRIES; i++)
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{
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/* Save off the next entry. */
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memcpy(&oldentry, &history.entries[i], sizeof(t_history_entry));
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/* Overwrite with the previous entry. */
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memcpy(&history.entries[i], ¤try, sizeof(t_history_entry));
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/* Switch the old entry to the curr entry now. */
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memcpy(¤try, &oldentry, sizeof(t_history_entry));
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/* If the entry in the list at this spot matches
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the new entry then do nothing and let this
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entry get deleted. */
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if(strcmp(newentry.filepath, currentry.filepath) == 0 && strcmp(newentry.filename, currentry.filename) == 0)
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break;
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}
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/* now save to disk */
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history_save();
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}
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void history_save()
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{
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/* open file */
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char fname[MAXPATHLEN];
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sprintf (fname, "%s/history.ini", DEFAULT_PATH);
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FILE *fp = fopen(fname, "wb");
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if (fp)
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{
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/* write file */
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fwrite(&history, sizeof(history), 1, fp);
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fclose(fp);
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}
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}
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void history_load(void)
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{
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/* open file */
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char fname[MAXPATHLEN];
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sprintf (fname, "%s/history.ini", DEFAULT_PATH);
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FILE *fp = fopen(fname, "rb");
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if (fp)
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{
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/* read file */
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fread(&history, sizeof(history), 1, fp);
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fclose(fp);
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}
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}
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void history_default(void)
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{
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int i;
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for(i=0; i < NUM_HISTORY_ENTRIES; i++)
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{
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memset(&history.entries[i], 0, sizeof(t_history_entry));
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}
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/* restore history */
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history_load();
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}
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