finish porting iostream stuff to EMUFILE*. movies and sram-start movies work once again

desmume/src/Makefile.am

@@ -18,11 +18,10 @@ libdesmume_a_SOURCES = \
 	common.cpp common.h \
 	debug.cpp debug.h driver.h \
 	Disassembler.cpp Disassembler.h \
-	dscard.h fat.h FIFO.cpp FIFO.h \
+	dscard.h emufile.h emufile.cpp fat.h FIFO.cpp FIFO.h \
 	GPU.cpp GPU.h \
 	GPU_osd.cpp GPU_osd.h \
         mem.h mc.cpp mc.h \
-	memorystream.h \
 	path.h \
 	readwrite.cpp readwrite.h \
 	wifi.cpp wifi.h \

desmume/src/NDSSystem.cpp

@@ -717,8 +717,6 @@ void GameInfo::populate()
 	}
 }
 #ifdef WIN32
-#include "memorystream.h"
-#include <fstream>
 
 static std::vector<char> buffer;
 static std::vector<char> v;

desmume/src/emufile.cpp

@@ -0,0 +1,14 @@
+#include "types.h"
+#include "emufile.h"
+
+#include <vector>
+
+bool EMUFILE::readAllBytes(std::vector<u8>* dstbuf, const std::string& fname)
+{
+	EMUFILE_FILE file(fname.c_str(),"rb");
+	if(file.fail()) return false;
+	int size = file.size();
+	dstbuf->resize(size);
+	file.fread(&dstbuf->at(0),size);
+	return true;
+}

desmume/src/emufile.h

@@ -38,6 +38,7 @@ public:
 
 	virtual ~EMUFILE() {}
 	
+	static bool readAllBytes(std::vector<u8>* buf, const std::string& fname);
 
 	bool fail() { return failbit; }
 
@@ -157,7 +158,7 @@ public:
 				pos += offset;
 				break;
 			case SEEK_END:
-				pos = size()-len;
+				pos = size()+offset;
 				break;
 			default:
 				assert(false);
@@ -195,16 +196,9 @@ public:
 	}
 
 	virtual int fprintf(const char *format, ...) {
-		//TODO - BLEHHHHHHHH
-		char temp[1024];
 		va_list argptr;
 		va_start(argptr, format);
-		int ret = ::vsprintf(temp, format, argptr);
+		int ret = ::vfprintf(fp, format, argptr);
-		if(ret<0 || ret>=1024) {
-			assert(false);
-			return -1;
-		}
-		fwrite(temp,ret);
 		va_end(argptr);
 		return ret;
 	};

desmume/src/mc.cpp

@@ -961,36 +961,36 @@ bool BackupDevice::load_duc(const char* filename)
 
 }
 
-bool BackupDevice::load_movie(std::istream* is) {
+bool BackupDevice::load_movie(EMUFILE* is) {
 
 	const s32 cookieLen = (s32)strlen(kDesmumeSaveCookie);
 
-	is->seekg(-cookieLen, std::ios::end);
+	is->fseek(-cookieLen, SEEK_END);
-	is->seekg(-4, std::ios::cur);
+	is->fseek(-4, SEEK_CUR);
 
 	u32 version = 0xFFFFFFFF;
-	is->read((char*)&version,4);
+	is->fread((char*)&version,4);
 	if(version!=0) {
 		printf("Unknown save file format\n");
 		return false;
 	}
-	is->seekg(-24, std::ios::cur);
+	is->fseek(-24, SEEK_CUR);
 
 	struct{
 		u32 size,padSize,type,addr_size,mem_size;
 	}info;
 
-	is->read((char*)&info.size,4);
+	is->fread((char*)&info.size,4);
-	is->read((char*)&info.padSize,4);
+	is->fread((char*)&info.padSize,4);
-	is->read((char*)&info.type,4);
+	is->fread((char*)&info.type,4);
-	is->read((char*)&info.addr_size,4);
+	is->fread((char*)&info.addr_size,4);
-	is->read((char*)&info.mem_size,4);
+	is->fread((char*)&info.mem_size,4);
 
 	//establish the save data
 	data.resize(info.size);
-	is->seekg(0, std::ios::beg);
+	is->fseek(0, SEEK_SET);
 	if(info.size>0)
-		is->read((char*)&data[0],info.size);
+		is->fread((char*)&data[0],info.size);
 
 	state = RUNNING;
 	addr_size = info.addr_size;

desmume/src/mc.h

@@ -103,7 +103,7 @@ public:
 	bool load_no_gba(const char *fname);
 	bool load_raw(const char* filename);
 	bool save_raw(const char* filename);
-	bool load_movie(std::istream* is);
+	bool load_movie(EMUFILE* is);
 
 	//call me once a second or so to lazy flush the save data
 	//here's the reason for this system: we want to dump save files when theyre READ

desmume/src/memorystream.h

@@ -1,324 +0,0 @@
-/*	Copyright (C) 2008-2009 DeSmuME team
-
-    This file is part of DeSmuME
-
-    DeSmuME is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    DeSmuME is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with DeSmuME; if not, write to the Free Software
-    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
-*/
-
-#ifndef _memorystream_h_
-#define _memorystream_h_
-
-#include <iostream>
-#include <string.h>
-#include <vector>
-#include <sstream>
-#include <stdexcept>
-#include <algorithm>
-
-template<typename T>
-class memory_streambuf: public std::streambuf {
-private:
-
-	friend class memorystream;
-
-	//the current buffer
-	T* buf;
-
-	//the current allocated capacity of the buffer
-	size_t capacity;
-
-	//whether the sequence is owned by the stringbuf
-	bool myBuf;
-
-	//the logical length of the buffer
-	size_t length;
-
-	//the current 'write window' starting position within the buffer for writing.
-	size_t ww;
-
-	//a vector that we have been told to use
-	std::vector<T>* usevec;
-
-
-public:
-
-	memory_streambuf(int _capacity)
-		: buf(new T[capacity=_capacity])
-		, myBuf(true)
-		, length(_capacity)
-		, ww(0)
-		, usevec(0)
-	{
-		sync();
-	}
-
-
-	memory_streambuf()
-		: buf(new T[capacity = 128])
-		, myBuf(true)
-		, length(0)
-		, ww(0)
-		, usevec(0)
-	{
-		sync();
-	}
-
-	//constructs a non-expandable streambuf around the provided buffer
-	memory_streambuf(T* usebuf, int buflength)
-		: buf(usebuf)
-		, myBuf(false)
-		, length(buflength)
-		, ww(0)
-		, usevec(0)
-	{
-		sync();
-	}
-
-	//constructs an expandable streambuf around the provided buffer
-	memory_streambuf(std::vector<T>* _usevec)
-		: capacity(_usevec->size())
-		, myBuf(false)
-		, length(_usevec->size())
-		, ww(0)
-		, usevec(_usevec)
-	{
-		if(length>0)
-			buf = &(*_usevec)[0];
-		else buf = 0;
-
-		sync();
-	}
-
-	~memory_streambuf()
-	{
-		//only cleanup if we own the seq
-		if(myBuf) delete[] buf;
-	}
-
-	//the logical length of the buffer
-	size_t size()
-	{
-		sync();
-		return length;
-	}
-
-	//to avoid copying, rebuilds the provided vector and copies the streambuf contents into it
-	void toVector(std::vector<T>& out)
-	{
-		out.resize(length);
-		memcpy(&out[0],buf,length);
-	}
-
-	//maybe the compiler can avoid copying, but maybe not: returns a vector representing the current streambuf
-	std::vector<T> toVector()
-	{
-		return std::vector<T>(buf,buf+length);
-	}
-
-	//if the memorystream wraps a vector, the vector will be trimmed to the correct size,.
-	//you probably need to use this if you are using the vector wrapper
-	void trim()
-	{
-		if(!usevec) return;
-		usevec->resize(size());
-	}
-
-	//tells the current read or write position
-	std::streampos tell(std::ios::openmode which)
-	{
-		if(which == std::ios::in)
-			return tellRead();
-		else if(which == std::ios::out)
-			return tellWrite();
-		else return -1;
-	}
-
-	//tells the current read position
-	std::streampos tellRead()
-	{
-		return gptr()-eback();
-	}
-
-	//tells the current write position
-	std::streampos tellWrite()
-	{
-		return pptr()-pbase() + ww;
-	}
-
-	int sync()
-	{
-		dosync(-1);
-		return 0;
-	}
-
-	T* getbuf()
-	{
-		sync();
-		return buf;
-	}
-
-	//if we were provided a buffer, then calling this gives us ownership of it
-	void giveBuf() {
-		myBuf = true;
-	}
-
-	void expand(size_t upto)
-	{
-		if(!myBuf && !usevec)
-			throw new std::runtime_error("memory_streambuf is not expandable");
-
-		size_t newcapacity;
-		if(upto == (size_t)-1)
-			newcapacity = capacity + capacity/2 + 2;
-		else
-			newcapacity = std::max(upto,capacity);
-
-		if(newcapacity == capacity) return;
-
-		//if we are supposed to use the vector, then do it now
-		if(usevec)
-		{
-			usevec->resize(newcapacity);
-			capacity = usevec->size();
-			buf = &(*usevec)[0];
-		}
-		else
-		{
-			//otherwise, manage our own buffer
-			T* newbuf = new T[newcapacity];
-			memcpy(newbuf,buf,capacity);
-			delete[] buf;
-			capacity = newcapacity;
-			buf = newbuf;
-		}
-	}
-
-private:
-
-	void dosync(int c)
-	{
-		size_t wp = tellWrite();
-		size_t rp = tellRead();
-
-		//if we are supposed to insert a character..
-		if(c != -1)
-		{
-			buf[wp] = c;
-			wp++;
-		}
-
-		//the length is determined by the highest character that was ever inserted
-		length = std::max(length,wp);
-
-		//the write window advances to begin at the current write insertion point
-		ww = wp;
-
-		//set the new write and read windows
-		setp(buf+ww, buf + capacity);
-		setg(buf, buf+rp, buf + length);
-	}
-
-protected:
-
-	int overflow(int c)
-	{
-		expand((size_t)-1);
-		dosync(c);
-		return 1;
-	}
-
-	std::streambuf::pos_type seekpos(pos_type pos, std::ios::openmode which)
-	{
-		//extend if we are seeking the write cursor
-		if(which & std::ios_base::out)
-			expand(pos);
-
-		sync();
-
-		if(which & std::ios_base::in)
-			setg(buf, buf+pos, buf + length);
-		if(which & std::ios_base::out)
-		{
-			ww = pos;
-			setp(buf+pos, buf + capacity);
-		}
-
-		return pos;
-	}
-
-	pos_type seekoff(off_type off, std::ios::seekdir way, std::ios::openmode which)
-	{
-		switch(way) {
-		case std::ios::beg:
-			return seekpos(off, which);
-		case std::ios::cur:
-			return seekpos(tell(which)+off, which);
-		case std::ios::end:
-			return seekpos(length+off, which);
-		default:
-			return -1;
-		}
-	}
-
-};
-
-//an iostream that uses the memory_streambuf to effectively act much like a c# memorystream
-//please call sync() after writing data if you want to read it back
-class memorystream : public std::basic_iostream<char, std::char_traits<char> >
-{
-public:
-	memorystream()
-		: std::basic_iostream<char, std::char_traits<char> >(&streambuf)
-	{}
-
-	memorystream(int sz)
-		: std::basic_iostream<char, std::char_traits<char> >(&streambuf)
-		, streambuf(sz)
-	{}
-
-	memorystream(char* usebuf, int buflength)
-		: std::basic_iostream<char, std::char_traits<char> >(&streambuf)
-		, streambuf(usebuf, buflength)
-	{}
-
-	memorystream(std::vector<char>* usevec)
-		: std::basic_iostream<char, std::char_traits<char> >(&streambuf)
-		, streambuf(usevec)
-	{}
-
-	//the underlying memory_streambuf
-	memory_streambuf<char> streambuf;
-
-
-public:
-
-	size_t size() { return streambuf.size(); }
-	char* buf() { return streambuf.getbuf(); }
-	//flushes all the writing state and ensures the stream is ready for reading
-	void sync() { streambuf.sync(); }
-	//rewinds the cursors to offset 0
-	void rewind() { streambuf.seekpos(0,std::ios::in | std::ios::out); }
-
-	//if the memorystream wraps a vector, the vector will be trimmed to the correct size,.
-	//you probably need to use this if you are using the vector wrapper
-	void trim() { streambuf.trim(); }
-
-	void giveBuf() { streambuf.giveBuf(); }
-
-	memory_streambuf<char>& getStreambuf() { return streambuf; }
-};
-
-
-#endif

desmume/src/movie.cpp

@@ -32,7 +32,6 @@
 #include "mic.h"
 #include "version.h"
 #include "GPU_osd.h"
-//#include "memorystream.h"
 #include "path.h"
 #include "emufile.h"
 
@@ -512,50 +511,45 @@ static void openRecordingMovie(const char* fname)
 	strcpy(curMovieFilename, fname);
 }
 
-bool MovieData::loadSramFrom(std::vector<char>* buf)
+bool MovieData::loadSramFrom(std::vector<u8>* buf)
-{//TODO
-//	memorystream ms(buf);
-//	MMU_new.backupDevice.load_movie(&ms);
-	return true;
-}
-
-static bool FCEUSS_SaveSRAM(std::ostream* outstream, std:: string fname)
 {
-	//a temp memory stream. we'll dump some data here and then compress
+	EMUFILE_MEMORY ms(buf);
-	//TODO - support dumping directly without compressing to save a buffer copy
+	MMU_new.backupDevice.load_movie(&ms);
-//TODO
-/*	memorystream ms;
-
-	//size it
-	FILE * fp = fopen( fname.c_str(), "r" );
-	if(!fp)
-		return 0;
-	
-	fseek( fp, 0, SEEK_END );
-	int size = ftell(fp);
-	fclose(fp);
-
-	filebuf fb;
-	fb.open (fname.c_str(), ios::in | ios::binary);//ios::in
-	istream is(&fb);
-
-	char *buffer = new char[size];
-
-	is.read(buffer, size);
-
-	outstream->write((char*)buffer,size);
-
-	fb.close();
-*/
 	return true;
 }
 
-void MovieData::dumpSramTo(std::vector<char>* buf, std::string sramfname) {
+//static bool FCEUSS_SaveSRAM(EMUFILE* outstream, const std::string& fname)
-//TODO
+//{
-//	memorystream ms(buf);
+//	//a temp memory stream. we'll dump some data here and then compress
-//	FCEUSS_SaveSRAM(&ms, sramfname);
+//	//TODO - support dumping directly without compressing to save a buffer copy
-//	ms.trim();
+////TODO
-}
+///*	memorystream ms;
+//
+//	//size it
+//	FILE * fp = fopen( fname.c_str(), "r" );
+//	if(!fp)
+//		return 0;
+//	
+//	fseek( fp, 0, SEEK_END );
+//	int size = ftell(fp);
+//	fclose(fp);
+//
+//	filebuf fb;
+//	fb.open (fname.c_str(), ios::in | ios::binary);//ios::in
+//	istream is(&fb);
+//
+//	char *buffer = new char[size];
+//
+//	is.read(buffer, size);
+//
+//	outstream->write((char*)buffer,size);
+//
+//	fb.close();
+//*/
+//
+//
+//	return true;
+//}
 
 //begin recording a new movie
 //TODO - BUG - the record-from-another-savestate doesnt work.
@@ -589,7 +583,7 @@ void _CDECL_ FCEUI_SaveMovie(const char *fname, std::wstring author, int flag, s
 	//	MovieData::dumpSavestateTo(&currMovieData.savestate,Z_BEST_COMPRESSION);
 
 	if(flag == 1)
-		MovieData::dumpSramTo(&currMovieData.sram, sramfname);
+		EMUFILE::readAllBytes(&currMovieData.sram, sramfname);
 
 	//we are going to go ahead and dump the header. from now on we will only be appending frames
 	currMovieData.dump(osRecordingMovie, false);

desmume/src/movie.h

@@ -119,8 +119,8 @@ public:
 	u32 romChecksum;
 	std::string romSerial;
 	std::string romFilename;
-	std::vector<char> savestate;
+	std::vector<u8> savestate;
-	std::vector<char> sram;
+	std::vector<u8> sram;
 	std::vector<MovieRecord> records;
 	std::vector<std::wstring> comments;
 	
@@ -166,11 +166,10 @@ public:
 	void clearRecordRange(int start, int len);
 	void insertEmpty(int at, int frames);
 	
-	static bool loadSavestateFrom(std::vector<char>* buf);
+	static bool loadSavestateFrom(std::vector<u8>* buf);
-	static void dumpSavestateTo(std::vector<char>* buf, int compressionLevel);
+	static void dumpSavestateTo(std::vector<u8>* buf, int compressionLevel);
 
-	static bool loadSramFrom(std::vector<char>* buf);
+	static bool loadSramFrom(std::vector<u8>* buf);
-	static void dumpSramTo(std::vector<char>* buf, std::string sramfname);
 	//void TryDumpIncremental();
 
 private:

desmume/src/saves.cpp

@@ -37,7 +37,6 @@
 #include "GPU_osd.h"
 #include "version.h"
 
-#include "memorystream.h"
 #include "readwrite.h"
 #include "gfx3d.h"
 #include "movie.h"

desmume/src/windows/DeSmuME_2005.vcproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="Windows-1252"?>
+<?xml version="1.0" encoding="shift_jis"?>
 <VisualStudioProject
 	ProjectType="Visual C++"
 	Version="8.00"
@@ -1242,6 +1242,10 @@
 			RelativePath="..\dscard.h"
 			>
 		</File>
+		<File
+			RelativePath="..\emufile.cpp"
+			>
+		</File>
 		<File
 			RelativePath="..\emufile.h"
 			>

desmume/src/windows/DeSmuME_2008.vcproj

@@ -665,6 +665,10 @@
 					RelativePath="..\Disassembler.cpp"
 					>
 				</File>
+				<File
+					RelativePath="..\emufile.cpp"
+					>
+				</File>
 				<File
 					RelativePath="..\FIFO.cpp"
 					>
@@ -1227,6 +1231,10 @@
 					RelativePath="..\driver.h"
 					>
 				</File>
+				<File
+					RelativePath="..\emufile.h"
+					>
+				</File>
 				<File
 					RelativePath="..\fat.h"
 					>
@@ -1275,10 +1283,6 @@
 					RelativePath="..\mem.h"
 					>
 				</File>
-				<File
-					RelativePath="..\memorystream.h"
-					>
-				</File>
 				<File
 					RelativePath="..\mic.h"
 					>

desmume/src/windows/replay.cpp

@@ -118,10 +118,10 @@ static char playfilename[MAX_PATH] = "";
 
 void Describe(HWND hwndDlg)
 {
-	EMUFILE* fp = new EMUFILE_FILE(playfilename,"rb");
+	EMUFILE_FILE fp(playfilename,"rb");
+	if(fp.fail()) return;
 	MovieData md;
-	LoadFM2(md, fp, INT_MAX, false);
+	LoadFM2(md, &fp, INT_MAX, false);
-	delete fp;
 
 	u32 num_frames = md.records.size();
 
@@ -241,7 +241,6 @@ INT_PTR CALLBACK ReplayDialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM
 
 
 int flag=0;
-std::string sramfname;
 
 //Record movie dialog
 static INT_PTR CALLBACK RecordDialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
@@ -249,7 +248,6 @@ static INT_PTR CALLBACK RecordDialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam,
 	static struct CreateMovieParameters* p = NULL;
 	std::wstring author = L"";
 	std::string fname;
-	int x;	//temp vairable
 	switch(uMsg)
 	{
 		case WM_INITDIALOG:
@@ -263,6 +261,7 @@ static INT_PTR CALLBACK RecordDialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam,
 			case IDOK: {
 				author = GetDlgItemTextW<500>(hwndDlg,IDC_EDIT_AUTHOR);
 				fname = GetDlgItemText<MAX_PATH>(hwndDlg,IDC_EDIT_FILENAME);
+				std::string sramfname = GetDlgItemText<MAX_PATH>(hwndDlg,IDC_EDIT_SRAMFILENAME);
 				if (fname.length())
 				{
 					FCEUI_SaveMovie(fname.c_str(), author, flag, sramfname);
@@ -332,7 +331,6 @@ static INT_PTR CALLBACK RecordDialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam,
 					fname.append(".dsv");
 */
 					SetDlgItemText(hwndDlg, IDC_EDIT_SRAMFILENAME, fname.c_str());
-					sramfname=(std::string)fname;
 				}
 				//if(GetSaveFileName(&ofn))
 				//	UpdateRecordDialogPath(hwndDlg,szChoice);

desmume/src/windows/soundView.cpp

@@ -248,7 +248,6 @@ static void SoundView_SwitchChanOfs(SoundView_DataStruct *data)
 
 static INT_PTR CALLBACK SoundView_DlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 {
-	LONG_PTR x;
 	SoundView_DataStruct *data = (SoundView_DataStruct*)GetWindowLongPtr(hDlg, DWLP_USER);
 	if((data == NULL) && (uMsg != WM_INITDIALOG))
 		return 0;