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mirror of https://github.com/vcmi/vcmi.git synced 2024-12-24 22:14:36 +02:00

Modified CMediaHandler to handle more than one file.

This commit is contained in:
Frank Zago 2011-08-07 19:14:46 +00:00
parent f417cee2c0
commit 2cc80e1267
6 changed files with 63 additions and 47 deletions

View File

@ -62,7 +62,7 @@ void CAudioBase::setVolume(unsigned int percent)
volume = percent;
}
CSoundHandler::CSoundHandler(): sndh(NULL)
CSoundHandler::CSoundHandler()
{
// Map sound names
#define VCMI_SOUND_NAME(x) ( soundBase::x,
@ -86,16 +86,17 @@ void CSoundHandler::init()
{
CAudioBase::init();
if (initialized)
if (initialized) {
// Load sounds
sndh = new CSndHandler(std::string(DATA_DIR "/Data/Heroes3.snd"));
sndh.add_file(std::string(DATA_DIR "/Data/Heroes3.snd"));
sndh.add_file(std::string(DATA_DIR "/Data/H3ab_ahd.snd"));
}
}
void CSoundHandler::release()
{
if (initialized) {
Mix_HaltChannel(-1);
delete sndh;
std::map<soundBase::soundID, Mix_Chunk *>::iterator it;
for (it=soundChunks.begin(); it != soundChunks.end(); it++) {
@ -118,7 +119,7 @@ Mix_Chunk *CSoundHandler::GetSoundChunk(soundBase::soundID soundID)
// Load and insert
int size;
const char *data = sndh->extract(it->second, size);
const char *data = sndh.extract(it->second, size);
if (!data)
return NULL;

View File

@ -6,7 +6,7 @@
#include "CSoundBase.h"
#include "CMusicBase.h"
#include "../lib/CCreatureHandler.h"
#include "CSndHandler.h"
/*
* CMusicHandler.h, part of VCMI engine
@ -18,7 +18,6 @@
*
*/
class CSndHandler;
class CSpell;
struct _Mix_Music;
typedef struct _Mix_Music Mix_Music;
@ -67,7 +66,7 @@ public:
class CSoundHandler: public CAudioBase
{
private:
CSndHandler *sndh;
CSndHandler sndh;
soundBase::soundID getSoundID(std::string &fileName);
std::map<soundBase::soundID, Mix_Chunk *> soundChunks;

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@ -14,16 +14,27 @@
*
*/
/* Media file are kept in container files. We map these files in
* memory, parse them and create an index of them to easily retrieve
* the data+size of the objects. */
CMediaHandler::~CMediaHandler()
{
std::vector<boost::iostreams::mapped_file_source *>::iterator it;
entries.clear();
fimap.clear();
mfile->close();
delete mfile;
for (it=mfiles.begin() ; it < mfiles.end(); it++ ) {
(*it)->close();
delete *it;
}
}
CMediaHandler::CMediaHandler(std::string fname)
boost::iostreams::mapped_file_source *CMediaHandler::add_file(std::string fname)
{
boost::iostreams::mapped_file_source *mfile;
try //c-tor of mapped_file_source throws exception on failure
{
mfile = new boost::iostreams::mapped_file_source(fname);
@ -32,15 +43,19 @@ CMediaHandler::CMediaHandler(std::string fname)
{
tlog1 << "Cannot open " << fname << std::endl;
throw std::string("Cannot open ")+fname;
return NULL;
} else {
mfiles.push_back(mfile);
return mfile;
}
}
void CMediaHandler::extract(int index, std::string dstfile) //saves selected file
{
std::ofstream out(dstfile.c_str(),std::ios_base::binary);
const char *data = mfile->data();
Entry &entry = entries[index];
out.write(&data[entries[index].offset], entries[index].size);
out.write(entry.data, entry.size);
out.close();
}
@ -98,10 +113,10 @@ MemberFile CMediaHandler::getFile(std::string name)
const char * CMediaHandler::extract (int index, int & size)
{
size = entries[index].size;
const char *data = mfile->data();
Entry &entry = entries[index];
return &data[entries[index].offset];
size = entry.size;
return entry.data;
}
const char * CMediaHandler::extract (std::string srcName, int &size)
@ -119,35 +134,38 @@ const char * CMediaHandler::extract (std::string srcName, int &size)
return NULL;
}
CSndHandler::CSndHandler(std::string fname) : CMediaHandler(fname)
void CSndHandler::add_file(std::string fname)
{
const unsigned char *data = (const unsigned char *)mfile->data();
boost::iostreams::mapped_file_source *mfile = CMediaHandler::add_file(fname);
if (!mfile)
/* File doesn't exist. Silently skip it.*/
return;
const char *data = mfile->data();
unsigned int numFiles = SDL_SwapLE32(*(Uint32 *)&data[0]);
struct soundEntry *se = (struct soundEntry *)&data[4];
for (unsigned int i=0; i<numFiles; i++, se++)
{
Entry entry;
// char *p;
// Reassemble the filename, drop extension
entry.name = se->filename;
// entry.name += '.';
// p = se->filename;
// while(*p) p++;
// p++;
// entry.name += p;
entry.offset = SDL_SwapLE32(se->offset);
entry.size = SDL_SwapLE32(se->size);
entry.data = mfile->data() + entry.offset;
entries.push_back(entry);
fimap[entry.name] = i;
}
}
CVidHandler::CVidHandler(std::string fname) : CMediaHandler(fname)
void CVidHandler::add_file(std::string fname)
{
boost::iostreams::mapped_file_source *mfile = CMediaHandler::add_file(fname);
if (!mfile)
/* File doesn't exist. Silently skip it.*/
return;
if(mfile->size() < 48)
{
tlog1 << fname << " doesn't contain needed data!\n";
@ -173,6 +191,7 @@ CVidHandler::CVidHandler(std::string fname) : CMediaHandler(fname)
entry.size = SDL_SwapLE32(ve_next->offset) - entry.offset;
}
entry.data = mfile->data() + entry.offset;
entries.push_back(entry);
fimap[entry.name] = i;

View File

@ -54,15 +54,16 @@ protected:
std::string name;
unsigned int size;
unsigned int offset;
const char *data;
};
boost::iostreams::mapped_file_source *mfile;
std::vector<boost::iostreams::mapped_file_source *> mfiles;
boost::iostreams::mapped_file_source *add_file(std::string fname);
public:
std::vector<Entry> entries;
std::map<std::string, int> fimap; // map of file and index
~CMediaHandler(); //d-tor
CMediaHandler(std::string fname); //c-tor
void extract(std::string srcfile, std::string dstfile, bool caseSens=true); //saves selected file
const char * extract (std::string srcfile, int & size); //return selecte file data, NULL if file doesn't exist
void extract(int index, std::string dstfile); //saves selected file
@ -73,13 +74,13 @@ public:
class CSndHandler: public CMediaHandler
{
public:
CSndHandler(std::string fname);
void add_file(std::string fname);
};
class CVidHandler: public CMediaHandler
{
public:
CVidHandler(std::string fname);
void add_file(std::string fname);
};

View File

@ -401,15 +401,14 @@ void CSmackPlayer::redraw( int x, int y, SDL_Surface *dst, bool update )
CVideoPlayer::CVideoPlayer()
{
vidh = new CVidHandler(std::string(DATA_DIR "/Data/VIDEO.VID"));
vidh_ab = new CVidHandler(std::string(DATA_DIR "/Data/H3ab_ahd.vid"));
vidh.add_file(std::string(DATA_DIR "/Data/VIDEO.VID"));
vidh.add_file(std::string(DATA_DIR "/Data/H3ab_ahd.vid"));
current = NULL;
}
CVideoPlayer::~CVideoPlayer()
{
delete vidh;
delete vidh_ab;
}
bool CVideoPlayer::open(std::string name)
@ -663,8 +662,8 @@ CVideoPlayer::CVideoPlayer()
av_register_protocol(&lod_protocol);
#endif
vidh = new CVidHandler(std::string(DATA_DIR "/Data/VIDEO.VID"));
vidh_ab = new CVidHandler(std::string(DATA_DIR "/Data/H3ab_ahd.vid"));
vidh.add_file(std::string(DATA_DIR "/Data/VIDEO.VID"));
vidh.add_file(std::string(DATA_DIR "/Data/H3ab_ahd.vid"));
}
// loop = to loop through the video
@ -679,10 +678,7 @@ bool CVideoPlayer::open(std::string fname, bool loop, bool useOverlay)
refreshCount = -1;
doLoop = loop;
data = vidh->extract(fname, length);
if (!data) {
data = vidh_ab->extract(fname, length);
}
data = vidh.extract(fname, length);
if (data) {
// Create our URL name with the 'lod' protocol as a prefix and a

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@ -9,6 +9,8 @@ struct SDL_Surface;
#define WIN32_LEAN_AND_MEAN //excludes rarely used stuff from windows headers - delete this line if something is missing
#include <windows.h>
#include "CSndHandler.h"
#pragma pack(push,1)
struct BINK_STRUCT
{
@ -161,8 +163,7 @@ class CVidHandler;
class CVideoPlayer : public IVideoPlayer
{
private:
CVidHandler * vidh; //.vid file handling
CVidHandler *vidh_ab; // armageddon's blade video file handling
CVidHandler vidh; //.vid file handling
CSmackPlayer smkPlayer; //for .SMK
CBIKHandler bikPlayer; //for .BIK
@ -199,6 +200,7 @@ public:
#else
#include "CSndHandler.h"
#include <SDL_video.h>
typedef struct AVFormatContext AVFormatContext;
@ -206,7 +208,6 @@ typedef struct AVCodecContext AVCodecContext;
typedef struct AVCodec AVCodec;
typedef struct AVFrame AVFrame;
struct SwsContext;
class CVidHandler;
class CVideoPlayer //: public IVideoPlayer
{
@ -224,8 +225,7 @@ private:
SDL_Rect destRect; // valid when dest is used
SDL_Rect pos; // destination on screen
CVidHandler *vidh;
CVidHandler *vidh_ab;
CVidHandler vidh;
int refreshWait; // Wait several refresh before updating the image
int refreshCount;