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161 lines
3.4 KiB
C++
161 lines
3.4 KiB
C++
/****************************************************************************
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* FCE Ultra
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* Nintendo Wii/Gamecube Port
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*
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* Tantric 2008-2009
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*
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* fceustate.cpp
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*
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* Memory Based Load/Save State Manager
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*
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* These are simply the state routines, brought together as GCxxxxx
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* The original file I/O is replaced with Memory Read/Writes to the
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* statebuffer below
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****************************************************************************/
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#include <gccore.h>
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#include <string.h>
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#include <malloc.h>
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#include <fat.h>
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#include <zlib.h>
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#include "pngu/pngu.h"
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#include "fceugx.h"
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#include "fceusupport.h"
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#include "menu.h"
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#include "filebrowser.h"
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#include "memcardop.h"
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#include "fileop.h"
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#include "gcvideo.h"
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bool SaveState (char * filepath, int method, bool silent)
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{
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bool retval = false;
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int datasize;
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int offset = 0;
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int imgSize = 0; // image screenshot bytes written
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if(method == METHOD_AUTO)
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method = autoSaveMethod(silent);
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if(method == METHOD_AUTO)
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return false;
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// save screenshot - I would prefer to do this from gameScreenTex
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if(gameScreenTex2 != NULL && method != METHOD_MC_SLOTA && method != METHOD_MC_SLOTB)
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{
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AllocSaveBuffer ();
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IMGCTX pngContext = PNGU_SelectImageFromBuffer(savebuffer);
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if (pngContext != NULL)
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{
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imgSize = PNGU_EncodeFromGXTexture(pngContext, screenwidth, screenheight, gameScreenTex2, 0);
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PNGU_ReleaseImageContext(pngContext);
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}
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if(imgSize > 0)
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{
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char screenpath[1024];
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strncpy(screenpath, filepath, 1024);
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screenpath[strlen(screenpath)-4] = 0;
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sprintf(screenpath, "%s.png", screenpath);
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SaveFile(screenpath, imgSize, method, silent);
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}
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FreeSaveBuffer ();
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}
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memorystream save(SAVEBUFFERSIZE);
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FCEUSS_SaveMS(&save, Z_BEST_COMPRESSION);
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save.sync();
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datasize = save.tellp();
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if (datasize)
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{
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if(method == METHOD_MC_SLOTA || method == METHOD_MC_SLOTB)
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{
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// Set the comments
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char comments[2][32];
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memset(comments, 0, 64);
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sprintf (comments[0], "%s State", APPNAME);
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snprintf (comments[1], 32, romFilename);
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SetMCSaveComments(comments);
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}
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offset = SaveFile(save.buf(), filepath, datasize, method, silent);
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}
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if (offset > 0)
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{
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if (!silent)
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InfoPrompt("Save successful");
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retval = true;
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}
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return retval;
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}
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bool
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SaveStateAuto (int method, bool silent)
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{
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if(method == METHOD_AUTO)
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method = autoSaveMethod(silent);
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if(method == METHOD_AUTO)
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return false;
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char filepath[1024];
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if(!MakeFilePath(filepath, FILE_STATE, method, romFilename, 0))
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return false;
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return SaveState(filepath, method, silent);
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}
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bool LoadState (char * filepath, int method, bool silent)
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{
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int offset = 0;
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bool retval = false;
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if(method == METHOD_AUTO)
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method = autoSaveMethod(silent); // we use 'Save' because we need R/W
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if(method == METHOD_AUTO)
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return false;
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AllocSaveBuffer ();
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offset = LoadFile(filepath, method, silent);
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if (offset > 0)
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{
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memorystream save((char *)savebuffer, offset);
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FCEUSS_LoadFP(&save, SSLOADPARAM_NOBACKUP);
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retval = true;
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}
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else
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{
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// if we reached here, nothing was done!
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if(!silent)
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ErrorPrompt ("State file not found");
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}
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FreeSaveBuffer ();
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return retval;
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}
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bool
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LoadStateAuto (int method, bool silent)
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{
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if(method == METHOD_AUTO)
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method = autoSaveMethod(silent);
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if(method == METHOD_AUTO)
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return false;
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char filepath[1024];
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if(!MakeFilePath(filepath, FILE_STATE, method, romFilename, 0))
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return false;
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return LoadState(filepath, method, silent);
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}
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