mirror of
https://github.com/godotengine/godot.git
synced 2024-11-25 13:43:15 +00:00
d4993b74fc
All classes were reviewed apart from VisualServer for which no argument name is documented at all. While doing this review, I found quite a few bugs that were fixed either in earlier commits or this one (mostly documentation bugs though, i.e. some arguments were listed at the wrong place).
164 lines
3.1 KiB
C++
164 lines
3.1 KiB
C++
#include "pck_packer.h"
|
|
|
|
#include "core/os/file_access.h"
|
|
|
|
static uint64_t _align(uint64_t p_n, int p_alignment) {
|
|
|
|
if (p_alignment == 0)
|
|
return p_n;
|
|
|
|
uint64_t rest = p_n % p_alignment;
|
|
if (rest == 0)
|
|
return p_n;
|
|
else
|
|
return p_n + (p_alignment - rest);
|
|
};
|
|
|
|
static void _pad(FileAccess* p_file, int p_bytes) {
|
|
|
|
for (int i=0; i<p_bytes; i++) {
|
|
|
|
p_file->store_8(0);
|
|
};
|
|
};
|
|
|
|
void PCKPacker::_bind_methods() {
|
|
|
|
ObjectTypeDB::bind_method(_MD("pck_start","pck_name","alignment"),&PCKPacker::pck_start);
|
|
ObjectTypeDB::bind_method(_MD("add_file","pck_path","source_path"),&PCKPacker::add_file);
|
|
ObjectTypeDB::bind_method(_MD("flush","verbose"),&PCKPacker::flush);
|
|
};
|
|
|
|
|
|
Error PCKPacker::pck_start(const String& p_file, int p_alignment) {
|
|
|
|
file = FileAccess::open(p_file, FileAccess::WRITE);
|
|
if (file == NULL) {
|
|
|
|
return ERR_CANT_CREATE;
|
|
};
|
|
|
|
alignment = p_alignment;
|
|
|
|
file->store_32(0x43504447); // MAGIC
|
|
file->store_32(0); // # version
|
|
file->store_32(0); // # major
|
|
file->store_32(0); // # minor
|
|
file->store_32(0); // # revision
|
|
|
|
for (int i=0; i<16; i++) {
|
|
|
|
file->store_32(0); // reserved
|
|
};
|
|
|
|
files.clear();
|
|
|
|
return OK;
|
|
};
|
|
|
|
Error PCKPacker::add_file(const String& p_file, const String& p_src) {
|
|
|
|
FileAccess* f = FileAccess::open(p_src, FileAccess::READ);
|
|
if (!f) {
|
|
return ERR_FILE_CANT_OPEN;
|
|
};
|
|
|
|
File pf;
|
|
pf.path = p_file;
|
|
pf.src_path = p_src;
|
|
pf.size = f->get_len();
|
|
pf.offset_offset = 0;
|
|
|
|
files.push_back(pf);
|
|
|
|
f->close();
|
|
memdelete(f);
|
|
|
|
return OK;
|
|
};
|
|
|
|
Error PCKPacker::flush(bool p_verbose) {
|
|
|
|
if (!file) {
|
|
ERR_FAIL_COND_V(!file, ERR_INVALID_PARAMETER);
|
|
return ERR_INVALID_PARAMETER;
|
|
};
|
|
|
|
// write the index
|
|
|
|
file->store_32(files.size());
|
|
|
|
for (int i=0; i<files.size(); i++) {
|
|
|
|
file->store_pascal_string(files[i].path);
|
|
files[i].offset_offset = file->get_pos();
|
|
file->store_64(0); // offset
|
|
file->store_64(files[i].size); // size
|
|
|
|
// # empty md5
|
|
file->store_32(0);
|
|
file->store_32(0);
|
|
file->store_32(0);
|
|
file->store_32(0);
|
|
};
|
|
|
|
|
|
uint64_t ofs = file->get_pos();
|
|
ofs = _align(ofs, alignment);
|
|
|
|
_pad(file, ofs - file->get_pos());
|
|
|
|
const uint32_t buf_max = 65536;
|
|
uint8_t *buf = memnew_arr(uint8_t, buf_max);
|
|
|
|
int count = 0;
|
|
for (int i=0; i<files.size(); i++) {
|
|
|
|
FileAccess* src = FileAccess::open(files[i].src_path, FileAccess::READ);
|
|
uint64_t to_write = files[i].size;
|
|
while (to_write > 0) {
|
|
|
|
int read = src->get_buffer(buf, MIN(to_write, buf_max));
|
|
file->store_buffer(buf, read);
|
|
to_write -= read;
|
|
};
|
|
|
|
uint64_t pos = file->get_pos();
|
|
file->seek(files[i].offset_offset); // go back to store the file's offset
|
|
file->store_64(ofs);
|
|
file->seek(pos);
|
|
|
|
ofs = _align(ofs + files[i].size, alignment);
|
|
_pad(file, ofs - pos);
|
|
|
|
src->close();
|
|
memdelete(src);
|
|
count += 1;
|
|
if (p_verbose) {
|
|
if (count % 100 == 0) {
|
|
printf("%i/%i (%.2f)\r", count, files.size(), float(count) / files.size() * 100);
|
|
fflush(stdout);
|
|
};
|
|
};
|
|
};
|
|
|
|
if (p_verbose)
|
|
printf("\n");
|
|
|
|
file->close();
|
|
|
|
return OK;
|
|
};
|
|
|
|
PCKPacker::PCKPacker() {
|
|
|
|
file = NULL;
|
|
};
|
|
|
|
PCKPacker::~PCKPacker() {
|
|
if (file != NULL) {
|
|
memdelete(file);
|
|
};
|
|
file = NULL;
|
|
};
|