Archives
/
OpenTTD-patches
mirror of https://github.com/JGRennison/OpenTTD-patches
2
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Codechange: let NewGRF sounds make use of RandomAccessFile instead of the FIO slot functions

Browse Source 
(cherry picked from commit c097bc9d7d)
pull/266/head
Rubidium 3 years ago committed by Jonathan G Rennison
parent 4b37044ef1
commit 525f6adcd0
7 changed files with 79 additions and 64 deletions
Show Stats Download Patch File Download Diff File

8
src/fileio.cpp
Unescape Escape View File

@ -39,6 +39,14 @@ static bool _do_scan_working_directory = true;
extern std::string _config_file;
extern std::string _highscore_file;
/**
* Transition helper to get the RandomAccessFile associated with a given slot.
*/
RandomAccessFile *FioGetRandomAccessFile(int slot)
{
return _fio_files[slot];
}
/**
* Get position in the current file.
* @return Position in the file.

1
src/fileio_func.h
Unescape Escape View File

@ -26,6 +26,7 @@ void FioCloseAll();
void FioOpenFile(int slot, const std::string &filename, Subdirectory subdir, std::string *output_filename = nullptr);
void FioReadBlock(void *ptr, size_t size);
void FioSkipBytes(int n);
class RandomAccessFile *FioGetRandomAccessFile(int slot);
void FioFCloseFile(FILE *f);
FILE *FioFOpenFile(const std::string &filename, const char *mode, Subdirectory subdir, size_t *filesize = nullptr, std::string *output_filename = nullptr);

2
src/fios.h
Unescape Escape View File

@ -96,8 +96,6 @@ enum FileSlots {
* and thus cannot be used for files, which are continuously accessed during a game.
*/
CONFIG_SLOT = 0,
/** Slot for the sound. */
SOUND_SLOT = 1,
/** First slot usable for (New)GRFs used during the game. */
FIRST_GRF_SLOT = 2,
/** Maximum number of GRFs in single-player */

2
src/newgrf.cpp
Unescape Escape View File

@ -7723,7 +7723,7 @@ static void LoadGRFSound(size_t offs, SoundEntry *sound)
if (offs != SIZE_MAX) {
/* Sound is present in the NewGRF. */
sound->file_slot = _cur.file_index;
sound->file = FioGetRandomAccessFile(_cur.file_index);
sound->file_offset = offs;
sound->grf_container_ver = _cur.grf_container_ver;
}

63
src/newgrf_sound.cpp
Unescape Escape View File

@ -14,7 +14,7 @@
#include "newgrf_sound.h"
#include "vehicle_base.h"
#include "sound_func.h"
#include "fileio_func.h"
#include "random_access_file_type.h"
#include "debug.h"
#include "settings_type.h"
@ -65,56 +65,57 @@ uint GetNumSounds()
*/
bool LoadNewGRFSound(SoundEntry *sound)
{
if (sound->file_offset == SIZE_MAX || sound->file_slot == 0) return false;
if (sound->file_offset == SIZE_MAX || sound->file == nullptr) return false;
FioSeekToFile(sound->file_slot, sound->file_offset);
RandomAccessFile &file = *sound->file;
file.SeekTo(sound->file_offset, SEEK_SET);
/* Skip ID for container version >= 2 as we only look at the first
* entry and ignore any further entries with the same ID. */
if (sound->grf_container_ver >= 2) FioReadDword();
if (sound->grf_container_ver >= 2) file.ReadDword();
/* Format: <num> <FF> <FF> <name_len> <name> '\0' <data> */
uint32 num = sound->grf_container_ver >= 2 ? FioReadDword() : FioReadWord();
if (FioReadByte() != 0xFF) return false;
if (FioReadByte() != 0xFF) return false;
uint32 num = sound->grf_container_ver >= 2 ? file.ReadDword() : file.ReadWord();
if (file.ReadByte() != 0xFF) return false;
if (file.ReadByte() != 0xFF) return false;
uint8 name_len = FioReadByte();
uint8 name_len = file.ReadByte();
char *name = AllocaM(char, name_len + 1);
FioReadBlock(name, name_len + 1);
file.ReadBlock(name, name_len + 1);
/* Test string termination */
if (name[name_len] != 0) {
DEBUG(grf, 2, "LoadNewGRFSound [%s]: Name not properly terminated", FioGetFilename(sound->file_slot));
DEBUG(grf, 2, "LoadNewGRFSound [%s]: Name not properly terminated", file.GetSimplifiedFilename().c_str());
return false;
}
DEBUG(grf, 2, "LoadNewGRFSound [%s]: Sound name '%s'...", FioGetFilename(sound->file_slot), name);
DEBUG(grf, 2, "LoadNewGRFSound [%s]: Sound name '%s'...", file.GetSimplifiedFilename().c_str(), name);
if (FioReadDword() != BSWAP32('RIFF')) {
DEBUG(grf, 1, "LoadNewGRFSound [%s]: Missing RIFF header", FioGetFilename(sound->file_slot));
if (file.ReadDword() != BSWAP32('RIFF')) {
DEBUG(grf, 1, "LoadNewGRFSound [%s]: Missing RIFF header", file.GetSimplifiedFilename().c_str());
return false;
}
uint32 total_size = FioReadDword();
uint32 total_size = file.ReadDword();
uint header_size = 11;
if (sound->grf_container_ver >= 2) header_size++; // The first FF in the sprite is only counted for container version >= 2.
if (total_size + name_len + header_size > num) {
DEBUG(grf, 1, "LoadNewGRFSound [%s]: RIFF was truncated", FioGetFilename(sound->file_slot));
DEBUG(grf, 1, "LoadNewGRFSound [%s]: RIFF was truncated", file.GetSimplifiedFilename().c_str());
return false;
}
if (FioReadDword() != BSWAP32('WAVE')) {
DEBUG(grf, 1, "LoadNewGRFSound [%s]: Invalid RIFF type", FioGetFilename(sound->file_slot));
if (file.ReadDword() != BSWAP32('WAVE')) {
DEBUG(grf, 1, "LoadNewGRFSound [%s]: Invalid RIFF type", file.GetSimplifiedFilename().c_str());
return false;
}
while (total_size >= 8) {
uint32 tag = FioReadDword();
uint32 size = FioReadDword();
uint32 tag = file.ReadDword();
uint32 size = file.ReadDword();
total_size -= 8;
if (total_size < size) {
DEBUG(grf, 1, "LoadNewGRFSound [%s]: Invalid RIFF", FioGetFilename(sound->file_slot));
DEBUG(grf, 1, "LoadNewGRFSound [%s]: Invalid RIFF", file.GetSimplifiedFilename().c_str());
return false;
}
total_size -= size;
@ -122,15 +123,15 @@ bool LoadNewGRFSound(SoundEntry *sound)
switch (tag) {
case ' tmf': // 'fmt '
/* Audio format, must be 1 (PCM) */
if (size < 16 || FioReadWord() != 1) {
DEBUG(grf, 1, "LoadGRFSound [%s]: Invalid audio format", FioGetFilename(sound->file_slot));
if (size < 16 || file.ReadWord() != 1) {
DEBUG(grf, 1, "LoadGRFSound [%s]: Invalid audio format", file.GetSimplifiedFilename().c_str());
return false;
}
sound->channels = FioReadWord();
sound->rate = FioReadDword();
FioReadDword();
FioReadWord();
sound->bits_per_sample = FioReadWord();
sound->channels = file.ReadWord();
sound->rate = file.ReadDword();
file.ReadDword();
file.ReadWord();
sound->bits_per_sample = file.ReadWord();
/* The rest will be skipped */
size -= 16;
@ -138,9 +139,9 @@ bool LoadNewGRFSound(SoundEntry *sound)
case 'atad': // 'data'
sound->file_size = size;
sound->file_offset = FioGetPos();
sound->file_offset = file.GetPos();
DEBUG(grf, 2, "LoadNewGRFSound [%s]: channels %u, sample rate %u, bits per sample %u, length %u", FioGetFilename(sound->file_slot), sound->channels, sound->rate, sound->bits_per_sample, size);
DEBUG(grf, 2, "LoadNewGRFSound [%s]: channels %u, sample rate %u, bits per sample %u, length %u", file.GetSimplifiedFilename().c_str(), sound->channels, sound->rate, sound->bits_per_sample, size);
return true; // the fmt chunk has to appear before data, so we are finished
default:
@ -149,10 +150,10 @@ bool LoadNewGRFSound(SoundEntry *sound)
}
/* Skip rest of chunk */
if (size > 0) FioSkipBytes(size);
if (size > 0) file.SkipBytes(size);
}
DEBUG(grf, 1, "LoadNewGRFSound [%s]: RIFF does not contain any sound data", FioGetFilename(sound->file_slot));
DEBUG(grf, 1, "LoadNewGRFSound [%s]: RIFF does not contain any sound data", file.GetSimplifiedFilename().c_str());
/* Clear everything that was read */
MemSetT(sound, 0);

65
src/sound.cpp
Unescape Escape View File

@ -11,7 +11,7 @@
#include "landscape.h"
#include "mixer.h"
#include "newgrf_sound.h"
#include "fios.h"
#include "random_access_file_type.h"
#include "window_gui.h"
#include "vehicle_base.h"
@ -25,14 +25,20 @@ static SoundEntry _original_sounds[ORIGINAL_SAMPLE_COUNT];
static void OpenBankFile(const char *filename)
{
/**
* The sound file for the original sounds, i.e. those not defined/overridden by a NewGRF.
* Needs to be kept alive during the game as _original_sounds[n].file refers to this.
*/
static std::unique_ptr<RandomAccessFile> original_sound_file;
memset(_original_sounds, 0, sizeof(_original_sounds));
/* If there is no sound file (nosound set), don't load anything */
if (filename == nullptr) return;
FioOpenFile(SOUND_SLOT, filename, BASESET_DIR);
size_t pos = FioGetPos();
uint count = FioReadDword();
original_sound_file.reset(new RandomAccessFile(filename, BASESET_DIR));
size_t pos = original_sound_file->GetPos();
uint count = original_sound_file->ReadDword();
/* The new format has the highest bit always set */
bool new_format = HasBit(count, 31);
@ -48,43 +54,43 @@ static void OpenBankFile(const char *filename)
return;
}
FioSeekTo(pos, SEEK_SET);
original_sound_file->SeekTo(pos, SEEK_SET);
for (uint i = 0; i != ORIGINAL_SAMPLE_COUNT; i++) {
_original_sounds[i].file_slot = SOUND_SLOT;
_original_sounds[i].file_offset = GB(FioReadDword(), 0, 31) + pos;
_original_sounds[i].file_size = FioReadDword();
_original_sounds[i].file = original_sound_file.get();
_original_sounds[i].file_offset = GB(original_sound_file->ReadDword(), 0, 31) + pos;
_original_sounds[i].file_size = original_sound_file->ReadDword();
}
for (uint i = 0; i != ORIGINAL_SAMPLE_COUNT; i++) {
SoundEntry *sound = &_original_sounds[i];
char name[255];
FioSeekTo(sound->file_offset, SEEK_SET);
original_sound_file->SeekTo(sound->file_offset, SEEK_SET);
/* Check for special case, see else case */
FioReadBlock(name, FioReadByte()); // Read the name of the sound
original_sound_file->ReadBlock(name, original_sound_file->ReadByte()); // Read the name of the sound
if (new_format || strcmp(name, "Corrupt sound") != 0) {
FioSeekTo(12, SEEK_CUR); // Skip past RIFF header
original_sound_file->SeekTo(12, SEEK_CUR); // Skip past RIFF header
/* Read riff tags */
for (;;) {
uint32 tag = FioReadDword();
uint32 size = FioReadDword();
uint32 tag = original_sound_file->ReadDword();
uint32 size = original_sound_file->ReadDword();
if (tag == ' tmf') {
FioReadWord(); // wFormatTag
sound->channels = FioReadWord(); // wChannels
sound->rate = FioReadDword(); // samples per second
if (!new_format) sound->rate = 11025; // seems like all old samples should be played at this rate.
FioReadDword(); // avg bytes per second
FioReadWord(); // alignment
sound->bits_per_sample = FioReadByte(); // bits per sample
FioSeekTo(size - (2 + 2 + 4 + 4 + 2 + 1), SEEK_CUR);
original_sound_file->ReadWord(); // wFormatTag
sound->channels = original_sound_file->ReadWord(); // wChannels
sound->rate = original_sound_file->ReadDword(); // samples per second
if (!new_format) sound->rate = 11025; // seems like all old samples should be played at this rate.
original_sound_file->ReadDword(); // avg bytes per second
original_sound_file->ReadWord(); // alignment
sound->bits_per_sample = original_sound_file->ReadByte(); // bits per sample
original_sound_file->SeekTo(size - (2 + 2 + 4 + 4 + 2 + 1), SEEK_CUR);
} else if (tag == 'atad') {
sound->file_size = size;
sound->file_slot = SOUND_SLOT;
sound->file_offset = FioGetPos();
sound->file = original_sound_file.get();
sound->file_offset = original_sound_file->GetPos();
break;
} else {
sound->file_size = 0;
@ -100,8 +106,8 @@ static void OpenBankFile(const char *filename)
sound->channels = 1;
sound->rate = 11025;
sound->bits_per_sample = 8;
sound->file_slot = SOUND_SLOT;
sound->file_offset = FioGetPos();
sound->file = original_sound_file.get();
sound->file_offset = original_sound_file->GetPos();
}
}
}
@ -132,8 +138,9 @@ static bool SetBankSource(MixerChannel *mc, const SoundEntry *sound)
mem[sound->file_size ] = 0;
mem[sound->file_size + 1] = 0;
FioSeekToFile(sound->file_slot, sound->file_offset);
FioReadBlock(mem, sound->file_size);
RandomAccessFile *file = sound->file;
file->SeekTo(sound->file_offset, SEEK_SET);
file->ReadBlock(mem, sound->file_size);
/* 16-bit PCM WAV files should be signed by default */
if (sound->bits_per_sample == 8) {
@ -176,10 +183,10 @@ static void StartSound(SoundID sound_id, float pan, uint volume)
if (sound == nullptr) return;
/* NewGRF sound that wasn't loaded yet? */
if (sound->rate == 0 && sound->file_slot != 0) {
if (sound->rate == 0 && sound->file != nullptr) {
if (!LoadNewGRFSound(sound)) {
/* Mark as invalid. */
sound->file_slot = 0;
sound->file = nullptr;
return;
}
}

2
src/sound_type.h
Unescape Escape View File

@ -11,7 +11,7 @@
#define SOUND_TYPE_H
struct SoundEntry {
uint file_slot;
class RandomAccessFile *file;
size_t file_offset;
size_t file_size;
uint16 rate;

Write Preview
Loading…
Cancel
Save