std::string FS::readlink(std::string path) const
{
LowLevel::INode buf;
if (!this->retrievePathToINode(path, buf))
throw Exception::FileNotFound();
if (buf.type == LowLevel::INodeType::INT_SYMLINK)
{
// Read the link information out of the file.
FSFile* file = new FSFile(this->filesystem, this->stream, buf.inodeid);
file->open(std::ios_base::in);
char* buffer = (char*)malloc(buf.dat_len + 1);
std::streamsize count = file->read(buffer, buf.dat_len);
if (count < buf.dat_len)
buffer[count] = '\0';
else
buffer[buf.dat_len] = '\0';
std::string result = buffer;
free(buffer);
// Check to make sure it is valid.
if (count != buf.dat_len)
throw Exception::InternalInconsistency();
return result;
}
else
throw Exception::NotSupported();
}
void Media::add_cache(unsigned int id, FSFile & fp)
{
FileStream stream(fp);
AudioType type = (AudioType)stream.read_uint32();
if (type == NONE)
return;
unsigned int size = stream.read_uint32();
size_t pos = fp.tell();
bool is_wav = type == WAV;
SoundData * data;
if ((is_wav && size <= WAV_STREAM_THRESHOLD) ||
(!is_wav && size <= OGG_STREAM_THRESHOLD))
{
#ifdef CHOWDREN_IS_3DS
data = new SoundMemory(id, fp, type, size);
#else
unsigned char * sound_data = new unsigned char[size];
fp.read(sound_data, size);
data = new SoundMemory(id, sound_data, type, size);
delete[] sound_data;
#endif
} else {
data = new SoundCache(id, fp.tell(), type, size);
}
media.sounds[id] = data;
fp.seek(pos + size);
}
void FSDir::readContent()
{
freeContent();
std::string command = "ls -lh";
command += " " + getAbsolutePath() + "/";
command += " | tail -n +2 ";
command += " | ";
command += AWK;
std::string ls = exec(command);
std::istringstream iss(ls);
std::string line;
while ( line.clear(), getline(iss, line) )
{
std::istringstream linestream(line);
std::string filename;
std::string date;
std::string size;
std::string owner;
std::string perms;
getline(linestream, filename, '#');
getline(linestream, date, '#');
getline(linestream, size, '#');
getline(linestream, owner, '#');
getline(linestream, perms);
if ( ! hidden && filename[0] == '.' )
continue;
if ( perms[0] == 'd' )
{
FSDir * d = new FSDir( getAbsolutePath() + PATH_SEPARATOR + filename);
d->setAttrs(date, owner, size, perms);
content.push_back((FSObject*) d);
}
else if ( perms[0] == 'l' )
{
FSSymlink * d = new FSSymlink( getAbsolutePath() + PATH_SEPARATOR + filename);
d->setAttrs(date, owner, size, perms);
content.push_back((FSObject*) d);
}
else
{
FSFile * f = new FSFile(getAbsolutePath() + PATH_SEPARATOR + filename);
f->setAttrs(date, owner, size, perms);
content.push_back((FSObject*) f);
}
}
std::sort(content.begin(), content.end(), directoriesFirst);
}
FSFile FS::open(std::string path)
{
this->ensurePathExists(path);
LowLevel::INode buf;
if (!this->retrievePathToINode(path, buf))
throw Exception::FileNotFound();
// Open the file and return it.
FSFile file = this->filesystem->getFile(buf.inodeid);
file.open();
return file;
}
int FuseLink::open(const char *path, struct fuse_file_info *options)
{
FuseLink::filesystem->setuid(fuse_get_context()->uid);
FuseLink::filesystem->setgid(fuse_get_context()->gid);
// Open the file to see whether it exists.
try
{
FSFile file = FuseLink::filesystem->open(path);
file.close();
return 0;
}
catch (std::exception& e)
{
return FuseLink::handleException(e, "open");
}
}
int FuseLink::write(const char *path, const char *in, size_t length,
off_t offset, struct fuse_file_info *options)
{
FuseLink::filesystem->setuid(fuse_get_context()->uid);
FuseLink::filesystem->setgid(fuse_get_context()->gid);
// Write data to the file.
try
{
if (offset > MSIZE_FILE || ((uint64_t) offset + (uint64_t) length) > MSIZE_FILE)
return -EFBIG;
FuseLink::filesystem->touch(path, "cma");
FSFile file = FuseLink::filesystem->open(path);
file.seekp(offset);
file.write(in, length);
file.close();
if (file.fail() || file.bad())
return -EIO;
return length;
}
catch (std::exception& e)
{
return FuseLink::handleException(e, "write");
}
}
int FuseLink::read(const char *path, char *out, size_t length,
off_t offset, struct fuse_file_info *options)
{
FuseLink::filesystem->setuid(fuse_get_context()->uid);
FuseLink::filesystem->setgid(fuse_get_context()->gid);
// Read data from the file.
try
{
if (offset > MSIZE_FILE || ((uint64_t) offset + (uint64_t) length) > MSIZE_FILE)
return -EFBIG;
FuseLink::filesystem->touch(path, "a");
FSFile file = FuseLink::filesystem->open(path);
file.seekg(offset);
uint32_t read = file.read(out, length);
file.close();
if (file.fail() || file.bad())
return -EIO;
return read;
}
catch (std::exception& e)
{
return FuseLink::handleException(e, "read");
}
}
void FS::symlink(std::string linkPath, std::string targetPath)
{
auto configuration = [&](LowLevel::INode& buf)
{
};
this->performCreation(LowLevel::INodeType::INT_SYMLINK, linkPath, 0755, configuration);
// We just created the file, so if this fails then
// it's an internal inconsistency.
LowLevel::INode buf;
if (!this->retrievePathToINode(linkPath, buf))
throw Exception::FileNotFound();
try
{
FSFile f = this->filesystem->getFile(buf.inodeid);
f.open();
f.write(targetPath.c_str(), targetPath.length());
f.close();
if (f.fail() || f.bad())
throw Exception::InternalInconsistency();
}
catch (...)
{
// Delete the file from disk since we failed to
// write to it (at least in some manner). Then
// rethrow the exception.
this->unlink(linkPath);
throw;
}
}
void GameManager::set_frame(int index)
{
ignore_controls = false;
#ifdef CHOWDREN_IS_DEMO
idle_timer = 0.0;
idle_timer_started = false;
#endif
#ifndef CHOWDREN_SAMPLES_OVER_FRAMES
media.stop_samples();
#endif
if (frame->index != -1)
frame->on_end();
if (index == -2) {
platform_begin_draw();
media.stop_samples();
Render::clear(Color(0, 0, 0, 255));
platform_swap_buffers();
#ifdef CHOWDREN_IS_DEMO
reset_timer = 0.0;
#endif
index = 0;
// reset_global_data();
reset_globals();
}
std::cout << "Setting frame: " << index << std::endl;
#ifdef CHOWDREN_USER_PROFILER
std::string logline = "Setting frame: " + number_to_string(index) + "\n";
user_log.write(&logline[0], logline.size());
#endif
frame->set_index(index);
std::cout << "Frame set" << std::endl;
}
void FS::truncate(std::string path, off_t size)
{
if (size > MSIZE_FILE)
throw Exception::FileTooBig();
this->ensurePathExists(path);
LowLevel::INode buf;
if (!this->retrievePathToINode(path, buf))
throw Exception::FileNotFound();
this->touchINode(buf, "cma");
this->saveINode(buf);
// Truncate the file to the desired size.
FSFile file = this->filesystem->getFile(buf.inodeid);
file.open();
file.truncate(size);
file.close();
if (file.fail() || file.bad())
throw Exception::InternalInconsistency();
}
void GameManager::init()
{
#ifdef CHOWDREN_USER_PROFILER
user_log.open("log.txt", "w");
#endif
#ifdef CHOWDREN_USE_PROFILER
PROFILE_SET_DAMPING(0.0);
#endif
frame = &static_frames;
#ifdef CHOWDREN_IS_DEMO
idle_timer_started = false;
global_time = show_build_timer = reset_timer = manual_reset_timer = 0.0;
#endif
#ifdef CHOWDREN_USE_JOYTOKEY
simulate_count = 0;
axis_moved = false;
last_axis = -1;
deadzone = 0.4f;
pad_selected = false;
pad_disconnected = false;
for (int i = 0; i < CHOWDREN_BUTTON_MAX-1; i++)
key_mappings[i] = -1;
for (int i = 0; i < CHOWDREN_AXIS_MAX-1; i++) {
axis_pos_mappings[i] = -1;
axis_neg_mappings[i] = -1;
axis_values[i] = 0;
}
#endif
platform_init();
media.init();
set_window(false);
// application setup
preload_images();
reset_globals();
setup_keys(this);
// setup random generator from start
cross_srand((unsigned int)platform_get_global_time());
fps_limit.start();
set_framerate(FRAMERATE);
int start_frame = 0;
#if defined(CHOWDREN_IS_AVGN)
start_frame = 0;
#elif defined(CHOWDREN_IS_HFA)
start_frame = 0;
#elif defined(CHOWDREN_IS_FP)
player_died = false;
lives = 3;
start_frame = 0;
// values->set(1, 2);
// values->set(12, 2);
#elif defined(CHOWDREN_IS_NAH)
platform_set_scale_type(2);
// start_frame = 3;
// set_local("fre");
// values->set(13, 25);
// strings->set(23, "OBJETS");
// strings->set(9, "-fre");
#else
start_frame = 0;
#endif
#ifdef NDEBUG
set_frame(0);
#else
set_frame(start_frame);
#endif
}
bool GameManager::update()
{
#ifdef CHOWDREN_USE_DYNAMIC_NUMBER
static int save_time = 0;
save_time--;
if (save_time <= 0) {
save_alterable_debug();
save_time += 60;
}
#endif
#ifdef SHOW_STATS
bool show_stats = false;
static int measure_time = 0;
measure_time -= 1;
if (measure_time <= 0) {
measure_time = 200;
show_stats = true;
}
#endif
#ifdef CHOWDREN_USER_PROFILER
static int frame = 0;
frame++;
std::stringstream ss;
ss << "Frame " << frame << ": " << fps_limit.dt << " ";
#endif
// update input
keyboard.update();
mouse.update();
platform_poll_events();
#ifdef CHOWDREN_USE_GWEN
gwen.update();
#endif
// player controls
int new_control = get_player_control_flags(1);
player_press_flags = new_control & ~(player_flags);
player_flags = new_control;
// joystick controls
new_control = get_joystick_control_flags(1);
joystick_press_flags = new_control & ~(joystick_flags);
joystick_release_flags = joystick_flags & ~(new_control);
joystick_flags = new_control;
#ifdef CHOWDREN_USE_JOYTOKEY
for (int i = 0; i < simulate_count; i++) {
if (simulate_keys[i].down) {
simulate_keys[i].down = false;
continue;
}
keyboard.remove(simulate_keys[i].key);
simulate_keys[i] = simulate_keys[simulate_count-1];
i--;
simulate_count--;
}
for (int i = 0; i < CHOWDREN_BUTTON_MAX-1; i++) {
int key = key_mappings[i];
if (key == -1)
continue;
if (is_joystick_pressed_once(1, i+1))
keyboard.add(key);
else if (is_joystick_released_once(1, i+1))
keyboard.remove(key);
}
axis_moved = false;
for (int i = 0; i < CHOWDREN_AXIS_MAX-1; i++) {
float value = get_joystick_axis(1, i+1);
int pos = axis_pos_mappings[i];
int neg = axis_neg_mappings[i];
int axis_value = 0;
if (value > deadzone) {
last_axis = i;
if (pos != -1 && axis_values[i] != 1)
keyboard.add(pos);
axis_value = 1;
} else {
if (pos != -1 && axis_values[i] == 1)
keyboard.remove(pos);
}
if (value < -deadzone) {
last_axis = i;
if (neg != -1 && axis_values[i] != -1)
keyboard.add(neg);
axis_value = -1;
} else {
if (neg != -1 && axis_values[i] == -1)
keyboard.remove(neg);
}
axis_values[i] = axis_value;
static bool last_move = false;
bool new_move = axis_value != 0;
if (new_move && new_move != last_move)
axis_moved = true;
last_move = new_move;
}
static bool last_connected = false;
bool connected = is_joystick_attached(1);
pad_selected = connected && last_connected != connected;
pad_disconnected = !connected && last_connected != connected;
last_connected = connected;
#endif
// update mouse position
platform_get_mouse_pos(&mouse_x, &mouse_y);
#ifdef SHOW_STATS
if (show_stats)
std::cout << "Framerate: " << fps_limit.current_framerate
<< std::endl;
#endif
if (platform_has_error()) {
if (platform_display_closed())
return false;
} else {
double event_update_time = platform_get_time();
int ret = update_frame();
#ifdef CHOWDREN_USER_PROFILER
ss << (platform_get_time() - event_update_time) << " ";
#endif
#ifdef SHOW_STATS
if (show_stats)
std::cout << "Event update took " <<
platform_get_time() - event_update_time << std::endl;
#endif
if (ret == 0)
return false;
else if (ret == 2)
return true;
if (platform_display_closed())
return false;
}
double draw_time = platform_get_time();
draw();
#ifdef CHOWDREN_USER_PROFILER
ss << (platform_get_time() - draw_time) << " ";
#endif
#ifdef SHOW_STATS
if (show_stats) {
std::cout << "Draw took " << platform_get_time() - draw_time
<< std::endl;
#ifndef NDEBUG
print_instance_stats();
#endif
platform_print_stats();
}
#endif
fps_limit.finish();
#ifdef CHOWDREN_USER_PROFILER
ss << "\n";
std::string logline = ss.str();
user_log.write(&logline[0], logline.size());
#endif
#ifdef CHOWDREN_USE_PROFILER
static int profile_time = 0;
profile_time -= 1;
if (profile_time <= 0) {
profile_time += 500;
PROFILE_UPDATE();
PROFILE_OUTPUT("data:/profile.txt");
}
#endif
return true;
}
