/*-------------------------------------------------
* render_load_png - load a PNG file into a
* bitmap
* -------------------------------------------------*/
public static bool render_load_png(out bitmap_argb32 bitmap, emu_file file, string dirname, string filename, bool load_as_alpha_to_existing = false)
{
bitmap = new bitmap_argb32();
// deallocate if we're not overlaying alpha
if (!load_as_alpha_to_existing)
{
bitmap.reset();
}
// open the file
string fname;
if (dirname != null)
{
fname = dirname + global_object.PATH_SEPARATOR + filename;
}
else
{
fname = filename;
}
osd_file.error filerr = file.open(fname);
if (filerr != osd_file.error.NONE)
{
return(false);
}
throw new emu_unimplemented();
}
//-------------------------------------------------
// nvram_write - called to write NVRAM to the
// .nv file
//-------------------------------------------------
void device_nvram_interface_nvram_write(emu_file file)
{
throw new emu_unimplemented();
#if false
file.write(&m_rom_data[0], SIZE_DATA);
#endif
}
//-------------------------------------------------
// read_flac_sample - read a FLAC file as a sample
//-------------------------------------------------
static bool read_flac_sample(emu_file file, sample_t sample)
{
// seek back to the start of the file
file.seek(0, SEEK_SET);
// create the FLAC decoder and fill in the sample data
flac_decoder decoder = new flac_decoder(file.core_file_get());
sample.frequency = decoder.sample_rate();
// error if more than 1 channel or not 16bpp
if (decoder.channels() != 1)
{
return(false);
}
if (decoder.bits_per_sample() != 16)
{
return(false);
}
// resize the array and read
sample.data.resize(decoder.total_samples());
if (!decoder.decode_interleaved(sample.data, (uint32_t)sample.data.Count))
{
return(false);
}
// finish up and clean up
decoder.finish();
return(true);
}
//-------------------------------------------------
// nvram_write - called to write NVRAM to the
// .nv file
//-------------------------------------------------
protected override void nvram_write(emu_file file)
{
throw new emu_unimplemented();
#if false
file.write(&m_rom_data[0], SIZE_DATA);
#endif
}
//void render_line_to_quad(const render_bounds *bounds, float width, float length_extension, render_bounds *bounds0, render_bounds *bounds1);
/*-------------------------------------------------
* render_load_jpeg - load a JPG file into a
* bitmap
* -------------------------------------------------*/
public static void render_load_jpeg(out bitmap_argb32 bitmap, emu_file file, string dirname, string filename)
{
bitmap = new bitmap_argb32();
// deallocate previous bitmap
bitmap.reset();
// define file's full name
string fname;
if (dirname == null)
{
fname = filename;
}
else
{
fname = dirname + global_object.PATH_SEPARATOR + filename;
}
if (file.open(fname) != osd_file.error.NONE)
{
return;
}
throw new emu_unimplemented();
}
std.vector <KeyValuePair <string, categoryindex> > m_ini_index; //std::vector<std::pair<std::string, categoryindex> > m_ini_index;
// construction/destruction
//-------------------------------------------------
// ctor
//-------------------------------------------------
public inifile_manager(ui_options moptions)
{
m_options = moptions;
m_ini_index = new std.vector <KeyValuePair <string, categoryindex> >();
// scan directories and create index
file_enumerator path = new file_enumerator(m_options.categoryini_path());
for (osd.directory.entry dir = path.next(); dir != null; dir = path.next())
{
string name = dir.name;
if (core_filename_ends_with(name, ".ini"))
{
emu_file file = new emu_file(m_options.categoryini_path(), OPEN_FLAG_READ);
if (file.open(name) == osd_file.error.NONE)
{
init_category(name, file);
file.close();
}
}
}
//std::stable_sort(m_ini_index.begin(), m_ini_index.end());//, [] (auto const &x, auto const &y) { return 0 > core_stricmp(x.first.c_str(), y.first.c_str()); });
m_ini_index.Sort((x, y) => { return(core_stricmp(x.Key.c_str(), y.Key.c_str())); });
}
public void save_settings()
{
/* loop over all registrants and call their init function */
foreach (var type in m_typelist)
{
type.save(config_type.INIT, null);
}
/* save the defaults file */
emu_file file = new emu_file(machine().options().cfg_directory(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS);
osd_file.error filerr = file.open("default.cfg");
if (filerr == osd_file.error.NONE)
{
save_xml(file, config_type.DEFAULT);
}
/* finally, save the game-specific file */
filerr = file.open(machine().basename(), ".cfg");
if (filerr == osd_file.error.NONE)
{
save_xml(file, config_type.GAME);
}
file.close();
/* loop over all registrants and call their final function */
foreach (var type in m_typelist)
{
type.save(config_type.FINAL, null);
}
}
public void save_settings()
{
// loop over all registrants and call their init function
foreach (var type in m_typelist)
{
type.save(config_type.INIT, null);
}
// save the defaults file
emu_file file = new emu_file(machine().options().cfg_directory(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS);
std.error_condition filerr = file.open("default.cfg");
if (!filerr)
{
save_xml(file, config_type.DEFAULT);
}
// finally, save the system-specific file
filerr = file.open(machine().basename() + ".cfg");
if (!filerr)
{
save_xml(file, config_type.SYSTEM);
}
file.close();
// loop over all registrants and call their final function
foreach (var type in m_typelist)
{
type.save(config_type.FINAL, null);
}
}
// dynamic control
//void set_frequency(UINT8 channel, UINT32 frequency);
//void set_volume(UINT8 channel, float volume);
// helpers
//-------------------------------------------------
// read_sample - read a WAV or FLAC file as a
// sample
//-------------------------------------------------
static bool read_sample(emu_file file, sample_t sample)
{
// read the core header and make sure it's a proper file
MemoryU8 buf = new MemoryU8(4, true); //uint8_t buf[4];
uint32_t offset = file.read(new Pointer <uint8_t>(buf), 4);
if (offset < 4)
{
osd_printf_warning("Unable to read {0}, 0-byte file?\n", file.filename());
return(false);
}
// look for the appropriate RIFF tag
if (buf[0] == 'R' && buf[1] == 'I' && buf[2] == 'F' && buf[3] == 'F') // memcmp(&buf[0], "RIFF", 4) == 0)
{
return(read_wav_sample(file, sample));
}
else if (buf[0] == 'f' && buf[1] == 'L' && buf[2] == 'a' && buf[3] == 'C') // memcmp(&buf[0], "fLaC", 4) == 0)
{
return(read_flac_sample(file, sample));
}
// if nothing appropriate, emit a warning
osd_printf_warning("Unable to read {0}, corrupt file?\n", file.filename());
return(false);
}
public static void load_translation(emu_options m_options)
{
util.unload_translation();
string name = m_options.language();
if (name.empty())
{
return;
}
strreplace(ref name, " ", "_");
strreplace(ref name, "(", "");
strreplace(ref name, ")", "");
emu_file file = new emu_file(m_options.language_path(), OPEN_FLAG_READ);
if (file.open(name + PATH_SEPARATOR + "strings.mo"))
{
osd_printf_error("Error opening translation file {0}\n", name);
return;
}
osd_printf_verbose("Loading translation file {0}\n", file.fullpath());
util.load_translation(file.core_file_get());
}
//-------------------------------------------------
// load_samples - load all the samples in our
// attached interface
// Returns true when all samples were successfully read, else false
//-------------------------------------------------
bool load_samples()
{
bool ok = true;
// if the user doesn't want to use samples, bail
if (!machine().options().samples())
{
return(false);
}
// iterate over ourself
string basename = machine().basename();
samples_iterator iter = new samples_iterator(this);
string altbasename = iter.altbasename();
// pre-size the array
m_sample.resize((size_t)iter.count());
// load the samples
int index = 0;
for (string samplename = iter.first(); samplename != null; index++, samplename = iter.next())
{
// attempt to open as FLAC first
emu_file file = new emu_file(machine().options().sample_path(), OPEN_FLAG_READ);
std.error_condition filerr = file.open(util.string_format("{0}" + PATH_SEPARATOR + "{1}.flac", basename, samplename));
if (filerr && !string.IsNullOrEmpty(altbasename))
{
filerr = file.open(util.string_format("{0}" + PATH_SEPARATOR + "{1}.flac", altbasename, samplename));
}
// if not, try as WAV
if (filerr)
{
filerr = file.open(util.string_format("{0}" + PATH_SEPARATOR + "{1}.wav", basename, samplename));
}
if (filerr && !string.IsNullOrEmpty(altbasename))
{
filerr = file.open(util.string_format("{0}" + PATH_SEPARATOR + "{1}.wav", altbasename, samplename));
}
// if opened, read it
if (!filerr)
{
read_sample(file, m_sample[index]);
}
else
{
logerror("Error opening sample '{0}' ({1}:{2} {3})\n", samplename, filerr.category().name(), filerr.value(), filerr.message());
ok = false;
}
file.close();
}
return(ok);
}
//-------------------------------------------------
// load_samples - load all the samples in our
// attached interface
// Returns true when all samples were successfully read, else false
//-------------------------------------------------
bool load_samples()
{
bool ok = true;
// if the user doesn't want to use samples, bail
if (!machine().options().samples())
{
return(false);
}
// iterate over ourself
string basename = machine().basename();
samples_iterator iter = new samples_iterator(this);
string altbasename = iter.altbasename();
// pre-size the array
m_sample.resize(iter.count());
// load the samples
int index = 0;
for (string samplename = iter.first(); samplename != null; index++, samplename = iter.next())
{
// attempt to open as FLAC first
emu_file file = new emu_file(machine().options().sample_path(), OPEN_FLAG_READ);
osd_file.error filerr = file.open(basename, PATH_SEPARATOR, samplename, ".flac");
if (filerr != osd_file.error.NONE && altbasename != null)
{
filerr = file.open(altbasename, PATH_SEPARATOR, samplename, ".flac");
}
// if not, try as WAV
if (filerr != osd_file.error.NONE)
{
filerr = file.open(basename, PATH_SEPARATOR, samplename, ".wav");
}
if (filerr != osd_file.error.NONE && altbasename != null)
{
filerr = file.open(altbasename, PATH_SEPARATOR, samplename, ".wav");
}
// if opened, read it
if (filerr == osd_file.error.NONE)
{
read_sample(file, m_sample[index]);
}
else if (filerr == osd_file.error.NOT_FOUND)
{
logerror("{0}: Sample '{1}' NOT FOUND\n", tag(), samplename);
ok = false;
}
file.close();
}
return(ok);
}
public static void load_translation(emu_options m_options)
{
g_translation.Clear();
emu_file file = new emu_file(m_options.language_path(), global_object.OPEN_FLAG_READ);
var name = m_options.language();
name = name.Replace(" ", "_");
name = name.Replace("(", "");
name = name.Replace(")", "");
if (file.open(name, global_object.PATH_SEPARATOR + "strings.mo") == osd_file.error.NONE)
{
uint64_t size = file.size();
RawBuffer buffer = new RawBuffer(4 * (int)size / 4 + 1); //uint32_t *buffer = global_alloc_array(uint32_t, size / 4 + 1);
file.read(new ListBytesPointer(buffer), (UInt32)size);
file.close();
if (buffer.get_uint32(0) != MO_MAGIC && buffer.get_uint32(0) != MO_MAGIC_REVERSED)
{
buffer = null; //global_free_array(buffer);
return;
}
if (buffer.get_uint32(0) == MO_MAGIC_REVERSED)
{
for (var i = 0; i < ((int)size / 4) + 1; ++i)
{
buffer.set_uint32(i, endianchange(buffer[i]));
}
}
uint32_t number_of_strings = buffer.get_uint32(2);
uint32_t original_table_offset = buffer.get_uint32(3) >> 2;
uint32_t translation_table_offset = buffer.get_uint32(4) >> 2;
RawBuffer data = buffer; //const char *data = reinterpret_cast<const char*>(buffer);
for (var i = 1; i < number_of_strings; ++i)
{
string original = "TODO original"; //(const char *)data + buffer[original_table_offset + 2 * i + 1];
string translation = "TODO translation"; //(const char *)data + buffer[translation_table_offset + 2 * i + 1];
g_translation.emplace(original, translation);
}
buffer = null; //global_free_array(buffer);
}
}
// internal helpers
//-------------------------------------------------
// audit_one_rom - validate a single ROM entry
//-------------------------------------------------
audit_record audit_one_rom(ListPointer <rom_entry> rom) //(const rom_entry *rom)
{
// allocate and append a new record
audit_record record = m_record_list.emplace_back(new audit_record(rom, audit_record.media_type.MEDIA_ROM)).Value; //audit_record &record = *m_record_list.emplace(m_record_list.end(), *rom, media_type::ROM);
// see if we have a CRC and extract it if so
UInt32 crc;
bool has_crc = record.expected_hashes().crc(out crc);
// find the file and checksum it, getting the file length along the way
emu_file file = new emu_file(m_enumerator.options().media_path(), osdcore_global.OPEN_FLAG_READ | osdcore_global.OPEN_FLAG_NO_PRELOAD);
file.set_restrict_to_mediapath(true);
path_iterator path = new path_iterator(m_searchpath);
string curpath;
while (path.next(out curpath, record.name()))
{
// open the file if we can
osd_file.error filerr;
if (has_crc)
{
filerr = file.open(curpath, crc);
}
else
{
filerr = file.open(curpath);
}
// if it worked, get the actual length and hashes, then stop
if (filerr == osd_file.error.NONE)
{
record.set_actual(file.hashes(m_validation), file.size());
break;
}
}
file.close();
// compute the final status
compute_status(record, rom[0], record.actual_length() != 0);
return(record);
}
//-------------------------------------------------
// load_cached_bdf - attempt to load a cached
// version of the BDF font 'filename'; if that
// fails, fall back on the regular BDF loader
// and create a new cached version
//-------------------------------------------------
bool load_cached_bdf(string filename)
{
std.error_condition filerr;
u32 chunk;
u64 bytes;
// first try to open the BDF itself
emu_file file = new emu_file(manager().machine().options().font_path(), OPEN_FLAG_READ);
filerr = file.open(filename);
if (filerr)
{
return(false);
}
file.close();
throw new emu_unimplemented();
#if false
#endif
}
// load games from category
public void load_ini_category(UInt32 file, UInt32 category, std.unordered_set <game_driver> result)
{
string filename = m_ini_index[(int)file].Key;
emu_file fp = new emu_file(m_options.categoryini_path(), OPEN_FLAG_READ);
if (fp.open(filename) != osd_file.error.NONE)
{
osd_printf_error("Failed to open category file {0} for reading\n", filename.c_str());
return;
}
Int64 offset = m_ini_index[(int)file].Value[(int)category].Value;
if (fp.seek(offset, emu_file.SEEK_SET) != 0 || (fp.tell() != (UInt64)offset))
{
fp.close();
osd_printf_error("Failed to seek to category offset in file {0}\n", filename.c_str());
return;
}
string rbuf; // char rbuf[MAX_CHAR_INFO];
while (fp.gets(out rbuf, utils_global.MAX_CHAR_INFO) != null && !string.IsNullOrEmpty(rbuf) && ('[' != rbuf[0]))
{
//var tail = std::find_if(std::begin(rbuf), std::prev(std::end(rbuf)));//, [] (char ch) { return !ch || ('\r' == ch) || ('\n' == ch); });
//*tail = '\0';
var tail = rbuf.IndexOfAny("\r\n".ToCharArray());
rbuf = rbuf.Substring(tail);
int dfind = driver_list.find(rbuf);
if (0 <= dfind)
{
result.emplace(driver_list.driver(dfind));
}
}
fp.close();
}
//-------------------------------------------------
// audit_one_rom - validate a single ROM entry
//-------------------------------------------------
audit_record audit_one_rom(std.vector <string> searchpath, Pointer <rom_entry> rom) //audit_record &audit_one_rom(const std::vector<std::string> &searchpath, const rom_entry *rom);
{
// allocate and append a new record
audit_record record = m_record_list.emplace_back(new audit_record(rom, media_type.ROM)).Value; //audit_record &record = *m_record_list.emplace(m_record_list.end(), *rom, media_type::ROM);
// see if we have a CRC and extract it if so
uint32_t crc;
bool has_crc = record.expected_hashes().crc(out crc);
// find the file and checksum it, getting the file length along the way
emu_file file = new emu_file(m_enumerator.options().media_path(), searchpath, OPEN_FLAG_READ | OPEN_FLAG_NO_PRELOAD);
file.set_restrict_to_mediapath(1);
// open the file if we can
std.error_condition filerr;
if (has_crc)
{
filerr = file.open(record.name(), crc);
}
else
{
filerr = file.open(record.name());
}
// if it worked, get the actual length and hashes, then stop
if (!filerr)
{
record.set_actual(file.hashes(m_validation), file.size());
}
file.close();
// compute the final status
compute_status(record, rom.op, record.actual_length() != 0);
return(record);
}
// INI parsing helper
//-------------------------------------------------
// parse_one_ini - parse a single INI file
//-------------------------------------------------
static void parse_one_ini(emu_options options, string basename, int priority, ref string error_stream)
{
// don't parse if it has been disabled
if (!options.read_config())
{
return;
}
// open the file; if we fail, that's ok
emu_file file = new emu_file(options.ini_path(), OPEN_FLAG_READ);
osd_printf_verbose("Attempting load of {0}.ini\n", basename);
osd_file.error filerr = file.open(basename, ".ini");
if (filerr != osd_file.error.NONE)
{
return;
}
// parse the file
osd_printf_verbose("Parsing {0}.ini\n", basename);
try
{
options.parse_ini_file(file.core_file_get(), priority, priority < OPTION_PRIORITY_DRIVER_INI, false);
}
catch (options_exception ex)
{
if (error_stream != null)
{
error_stream += string.Format("While parsing {0}:\n{1}\n", file.fullpath(), ex.message());
}
return;
}
finally
{
file.close();
}
}
/*-------------------------------------------------
* write_config - emit current option statuses as
* INI files
* -------------------------------------------------*/
int write_config(emu_options options, string filename, game_driver gamedrv)
{
string buffer;
int retval = 1;
if (gamedrv != null)
{
buffer = string.Format("{0}.ini", gamedrv.name);
filename = buffer;
}
emu_file file = new emu_file(options.ini_path(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE);
osd_file.error filerr = file.open(filename);
if (filerr == osd_file.error.NONE)
{
string inistring = options.output_ini();
file.puts(inistring);
retval = 0;
}
file.close();
return(retval);
}
/*-------------------------------------------------
* write_config - emit current option statuses as
* INI files
* -------------------------------------------------*/
int write_config(emu_options options, string filename, game_driver gamedrv)
{
string buffer;
int retval = 1;
if (gamedrv != null)
{
sprintf(out buffer, "{0}.ini", gamedrv.name);
filename = buffer;
}
emu_file file = new emu_file(options.ini_path(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE);
std.error_condition filerr = file.open(filename);
if (!filerr)
{
string inistring = options.output_ini();
file.puts(inistring);
retval = 0;
}
file.close();
return(retval);
}
protected override void nvram_write(emu_file file)
{
((nvram_device)device()).device_nvram_interface_nvram_write(file);
}
//-------------------------------------------------
// start_luaengine
//-------------------------------------------------
public void start_luaengine()
{
if (options().plugins())
{
//throw new emu_unimplemented();
#if false
// scan all plugin directories
path_iterator iter = new path_iterator(options().plugins_path());
string pluginpath;
while (iter.next(out pluginpath))
{
// user may specify environment variables; subsitute them
m_osdcore.osd_subst_env(out pluginpath, pluginpath);
// and then scan the directory recursively
m_plugins.scan_directory(pluginpath, true);
}
{
// parse the file
// attempt to open the output file
emu_file file = new emu_file(options().ini_path(), OPEN_FLAG_READ);
if (file.open("plugin.ini") == osd_file.error.NONE)
{
try
{
m_plugins.parse_ini_file(file.core_file_get()); //(util::core_file&)file
}
catch (options_exception)
{
osd_printf_error("**Error loading plugin.ini**\n");
}
file.close();
}
}
// process includes
foreach (string incl in split(options().plugin(), ','))
{
plugin_options::plugin *p = m_plugins->find(incl);
if (!p)
{
fatalerror("Fatal error: Could not load plugin: %s\n", incl);
}
p.m_start = true;
}
// process excludes
foreach (string excl in split(options().no_plugin(), ','))
{
plugin_options::plugin *p = m_plugins->find(excl);
if (!p)
{
fatalerror("Fatal error: Unknown plugin: %s\n", excl);
}
p.m_start = false;
}
#endif
}
// we have a special way to open the console plugin
if (options().console())
{
plugin_options.plugin p = m_plugins.find(OPTION_CONSOLE);
if (p == null)
{
fatalerror("Fatal error: Console plugin not found.\n");
}
p.m_start = true;
}
m_lua.initialize();
{
emu_file file = new emu_file(options().plugins_path(), OPEN_FLAG_READ);
std.error_condition filerr = file.open("boot.lua");
if (!filerr)
{
string exppath;
m_osdcore.osd_subst_env(out exppath, file.fullpath());
m_lua.load_script(file.fullpath());
file.close();
}
}
}
protected virtual void device_nvram_interface_nvram_write(emu_file file)
{
throw new emu_unimplemented();
}
std.error_condition open_next(emu_file file, string extension, uint32_t index = 0)
{
throw new emu_unimplemented();
}
// snapshots
//bool snap_native() const { return m_snap_native; }
//render_target &snapshot_target() { return *m_snap_target; }
//-------------------------------------------------
// save_snapshot - save a snapshot to the given
// file handle
//-------------------------------------------------
void save_snapshot(screen_device screen, emu_file file)
{
throw new emu_unimplemented();
}
//-------------------------------------------------
// recompute_speed - recompute the current
// overall speed; we assume this is called only
// if we did not skip a frame
//-------------------------------------------------
void recompute_speed(attotime emutime)
{
// if we don't have a starting time yet, or if we're paused, reset our starting point
if (m_speed_last_realtime == 0 || machine().paused())
{
m_speed_last_realtime = m_osdcore.osd_ticks();
m_speed_last_emutime = emutime;
}
// if it has been more than the update interval, update the time
attotime delta_emutime = emutime - m_speed_last_emutime;
if (delta_emutime > new attotime(0, ATTOSECONDS_PER_SPEED_UPDATE))
{
// convert from ticks to attoseconds
osd_ticks_t realtime = m_osdcore.osd_ticks();
osd_ticks_t delta_realtime = realtime - m_speed_last_realtime;
osd_ticks_t tps = m_osdcore.osd_ticks_per_second();
m_speed_percent = delta_emutime.as_double() * (double)tps / (double)delta_realtime;
// remember the last times
m_speed_last_realtime = realtime;
m_speed_last_emutime = emutime;
// if we're throttled, this time period counts for overall speed; otherwise, we reset the counter
if (!m_fastforward)
{
m_overall_valid_counter++;
}
else
{
m_overall_valid_counter = 0;
}
// if we've had at least 4 consecutive valid periods, accumulate stats
if (m_overall_valid_counter >= 4)
{
m_overall_real_ticks += delta_realtime;
while (m_overall_real_ticks >= tps)
{
m_overall_real_ticks -= tps;
m_overall_real_seconds++;
}
m_overall_emutime += delta_emutime;
}
}
// if we're past the "time-to-execute" requested, signal an exit
if (m_seconds_to_run != 0 && emutime.seconds() >= m_seconds_to_run)
{
// create a final screenshot
emu_file file = new emu_file(machine().options().snapshot_directory(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS);
std.error_condition filerr = open_next(file, "png");
if (!filerr)
{
save_snapshot(null, file);
}
file.close();
//printf("Scheduled exit at %f\n", emutime.as_double());
// schedule our demise
machine().schedule_exit();
}
}
protected abstract void nvram_read(emu_file file);
protected abstract void nvram_write(emu_file file);
// internal helpers
//-------------------------------------------------
// read_wav_sample - read a WAV file as a sample
//-------------------------------------------------
static bool read_wav_sample(emu_file file, sample_t sample)
{
// we already read the opening 'RIFF' tag
uint32_t offset = 4;
// get the total size
uint32_t filesize;
MemoryU8 filesizeBuffer = new MemoryU8(4, true);
offset += file.read(new Pointer <uint8_t>(filesizeBuffer), 4);
if (offset < 8)
{
osd_printf_warning("Unexpected size offset {0} ({1})\n", offset, file.filename());
return(false);
}
filesize = filesizeBuffer.GetUInt32();
filesize = little_endianize_int32(filesize);
// read the RIFF file type and make sure it's a WAVE file
MemoryU8 buf = new MemoryU8(32, true); //char [] buf = new char[32];
offset += file.read(new Pointer <uint8_t>(buf), 4);
if (offset < 12)
{
osd_printf_warning("Unexpected WAVE offset {0} ({1})\n", offset, file.filename());
return(false);
}
if (!(buf[0] == 'W' && buf[1] == 'A' && buf[2] == 'V' && buf[3] == 'E')) // memcmp(&buf[0], "WAVE", 4) != 0)
{
osd_printf_warning("Could not find WAVE header ({0})\n", file.filename());
return(false);
}
// seek until we find a format tag
uint32_t length;
MemoryU8 lengthBuffer = new MemoryU8(4, true);
while (true)
{
offset += file.read(new Pointer <uint8_t>(buf), 4);
offset += file.read(new Pointer <uint8_t>(lengthBuffer), 4);
length = lengthBuffer.GetUInt32();
length = little_endianize_int32(length);
if (buf[0] == 'f' && buf[1] == 'm' && buf[2] == 't' && buf[3] == ' ') //if (memcmp(&buf[0], "fmt ", 4) == 0)
{
break;
}
// seek to the next block
file.seek(length, SEEK_CUR);
offset += length;
if (offset >= filesize)
{
osd_printf_warning("Could not find fmt tag ({0})\n", file.filename());
return(false);
}
}
// read the format -- make sure it is PCM
uint16_t temp16;
MemoryU8 temp16Buffer = new MemoryU8(2, true);
offset += file.read(new Pointer <uint8_t>(temp16Buffer), 2);
temp16 = temp16Buffer.GetUInt16();
temp16 = little_endianize_int16(temp16);
if (temp16 != 1)
{
osd_printf_warning("unsupported format {0} - only PCM is supported ({1})\n", temp16, file.filename());
return(false);
}
// number of channels -- only mono is supported
offset += file.read(new Pointer <uint8_t>(temp16Buffer), 2);
temp16 = temp16Buffer.GetUInt16();
temp16 = little_endianize_int16(temp16);
if (temp16 != 1)
{
osd_printf_warning("unsupported number of channels {0} - only mono is supported ({1})\n", temp16, file.filename());
return(false);
}
// sample rate
uint32_t rate;
MemoryU8 rateBuffer = new MemoryU8(4, true);
offset += file.read(new Pointer <uint8_t>(rateBuffer), 4);
rate = rateBuffer.GetUInt32();
rate = little_endianize_int32(rate);
// bytes/second and block alignment are ignored
offset += file.read(new Pointer <uint8_t>(buf), 6);
// bits/sample
uint16_t bits;
MemoryU8 bitsBuffer = new MemoryU8(2, true);
offset += file.read(new Pointer <uint8_t>(bitsBuffer), 2);
bits = bitsBuffer.GetUInt16();
bits = little_endianize_int16(bits);
if (bits != 8 && bits != 16)
{
osd_printf_warning("unsupported bits/sample {0} - only 8 and 16 are supported ({1})\n", bits, file.filename());
return(false);
}
// seek past any extra data
file.seek(length - 16, SEEK_CUR);
offset += length - 16;
// seek until we find a data tag
while (true)
{
offset += file.read(new Pointer <uint8_t>(buf), 4);
offset += file.read(new Pointer <uint8_t>(lengthBuffer), 4);
length = lengthBuffer.GetUInt32();
length = little_endianize_int32(length);
if (buf[0] == 'd' && buf[1] == 'a' && buf[2] == 't' && buf[3] == 'a') //if (memcmp(&buf[0], "data", 4) == 0)
{
break;
}
// seek to the next block
file.seek(length, SEEK_CUR);
offset += length;
if (offset >= filesize)
{
osd_printf_warning("Could not find data tag ({0})\n", file.filename());
return(false);
}
}
// if there was a 0 length data block, we're done
if (length == 0)
{
osd_printf_warning("empty data block ({0})\n", file.filename());
return(false);
}
// fill in the sample data
sample.frequency = rate;
// read the data in
if (bits == 8)
{
sample.data.resize(length);
MemoryU8 sample_data_8bit = new MemoryU8((int)length, true);
file.read(new Pointer <uint8_t>(sample_data_8bit), length);
// convert 8-bit data to signed samples
Pointer <uint8_t> tempptr = new Pointer <uint8_t>(sample_data_8bit); //uint8_t *tempptr = reinterpret_cast<uint8_t *>(&sample.data[0]);
for (int sindex = (int)length - 1; sindex >= 0; sindex--)
{
sample.data[sindex] = (int16_t)((uint8_t)(tempptr[sindex] ^ 0x80) * 256);
}
}
else
{
// 16-bit data is fine as-is
sample.data.resize(length / 2);
MemoryU8 sample_data_8bit = new MemoryU8((int)length, true);
file.read(new Pointer <uint8_t>(sample_data_8bit), length);
// swap high/low on big-endian systems
if (ENDIANNESS_NATIVE != ENDIANNESS_LITTLE)
{
for (uint32_t sindex = 0; sindex < length / 2; sindex++)
{
sample.data[sindex] = (int16_t)little_endianize_int16(sample_data_8bit.GetUInt16((int)sindex)); //sample.data[sindex]);
}
}
}
return(true);
}
// updates
//void animate(u16 auto_time);
//void draw(render_container &container, u8 fade);
// private helpers
//-------------------------------------------------
// create_bitmap - create the rendering
// structures for the given player
//-------------------------------------------------
void create_bitmap()
{
rgb_t color = m_player < (int)std.size(crosshair_colors) ? crosshair_colors[m_player] : rgb_t.white();
// if we have a bitmap and texture for this player, kill it
if (m_bitmap == null)
{
m_bitmap = new bitmap_argb32();
m_texture = m_machine.render().texture_alloc(render_texture.hq_scale);
}
else
{
m_bitmap.reset();
}
emu_file crossfile = new emu_file(m_machine.options().crosshair_path(), OPEN_FLAG_READ);
if (!m_name.empty())
{
// look for user specified file
if (!crossfile.open(m_name + ".png"))
{
render_load_png(out m_bitmap, crossfile.core_file_get());
crossfile.close();
}
}
else
{
// look for default cross?.png in crsshair/game dir
string filename = util.string_format("cross{0}.png", m_player + 1);
if (!crossfile.open(m_machine.system().name + (PATH_SEPARATOR + filename)))
{
render_load_png(out m_bitmap, crossfile.core_file_get());
crossfile.close();
}
// look for default cross?.png in crsshair dir
if (!m_bitmap.valid() && !crossfile.open(filename))
{
render_load_png(out m_bitmap, crossfile.core_file_get());
crossfile.close();
}
}
/* if that didn't work, use the built-in one */
if (!m_bitmap.valid())
{
/* allocate a blank bitmap to start with */
m_bitmap.allocate(CROSSHAIR_RAW_SIZE, CROSSHAIR_RAW_SIZE);
m_bitmap.fill(new rgb_t(0x00, 0xff, 0xff, 0xff));
/* extract the raw source data to it */
for (int y = 0; y < CROSSHAIR_RAW_SIZE / 2; y++)
{
/* assume it is mirrored vertically */
PointerU32 dest0 = m_bitmap.pix(y); //u32 *dest0 = &m_bitmap->pix(y);
PointerU32 dest1 = m_bitmap.pix(CROSSHAIR_RAW_SIZE - 1 - y); //u32 *dest1 = &m_bitmap->pix(CROSSHAIR_RAW_SIZE - 1 - y);
/* extract to two rows simultaneously */
for (int x = 0; x < CROSSHAIR_RAW_SIZE; x++)
{
if (((crosshair_raw_top[y * CROSSHAIR_RAW_ROWBYTES + x / 8] << (x % 8)) & 0x80) != 0)
{
dest0[x] = dest1[x] = new rgb_t(0xff, 0x00, 0x00, 0x00) | color;
}
}
}
}
/* reference the new bitmap */
m_texture.set_bitmap(m_bitmap, m_bitmap.cliprect(), texture_format.TEXFORMAT_ARGB32);
}