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-rw-r--r--core/bind/core_bind.cpp24
-rw-r--r--core/bind/core_bind.h8
-rw-r--r--core/variant_call.cpp41
-rw-r--r--doc/base/classes.xml42
4 files changed, 115 insertions, 0 deletions
diff --git a/core/bind/core_bind.cpp b/core/bind/core_bind.cpp
index d81ccf0265..095f058ed9 100644
--- a/core/bind/core_bind.cpp
+++ b/core/bind/core_bind.cpp
@@ -31,6 +31,7 @@
#include "core/global_config.h"
#include "geometry.h"
+#include "io/file_access_compressed.h"
#include "io/file_access_encrypted.h"
#include "io/marshalls.h"
#include "os/keyboard.h"
@@ -1395,6 +1396,24 @@ Error _File::open_encrypted_pass(const String &p_path, int p_mode_flags, const S
return OK;
}
+Error _File::open_compressed(const String &p_path, int p_mode_flags, int p_compress_mode) {
+
+ FileAccessCompressed *fac = memnew(FileAccessCompressed);
+ Error err = OK;
+
+ fac->configure("GCPF", (Compression::Mode)p_compress_mode);
+
+ err = fac->_open(p_path, p_mode_flags);
+
+ if (err) {
+ memdelete(fac);
+ return err;
+ }
+
+ f = fac;
+ return OK;
+}
+
Error _File::open(const String &p_path, int p_mode_flags) {
close();
@@ -1700,6 +1719,7 @@ void _File::_bind_methods() {
ClassDB::bind_method(D_METHOD("open_encrypted", "path", "mode_flags", "key"), &_File::open_encrypted);
ClassDB::bind_method(D_METHOD("open_encrypted_with_pass", "path", "mode_flags", "pass"), &_File::open_encrypted_pass);
+ ClassDB::bind_method(D_METHOD("open_compressed", "path", "mode_flags", "compression_mode"), &_File::open_compressed, DEFVAL(0));
ClassDB::bind_method(D_METHOD("open", "path", "flags"), &_File::open);
ClassDB::bind_method(D_METHOD("close"), &_File::close);
@@ -1749,6 +1769,10 @@ void _File::_bind_methods() {
BIND_CONSTANT(WRITE);
BIND_CONSTANT(READ_WRITE);
BIND_CONSTANT(WRITE_READ);
+
+ BIND_CONSTANT(COMPRESSION_FASTLZ);
+ BIND_CONSTANT(COMPRESSION_DEFLATE);
+ BIND_CONSTANT(COMPRESSION_ZSTD);
}
_File::_File() {
diff --git a/core/bind/core_bind.h b/core/bind/core_bind.h
index a2fb6c966c..87d84c0732 100644
--- a/core/bind/core_bind.h
+++ b/core/bind/core_bind.h
@@ -31,6 +31,7 @@
#define CORE_BIND_H
#include "image.h"
+#include "io/compression.h"
#include "io/resource_loader.h"
#include "io/resource_saver.h"
#include "os/dir_access.h"
@@ -366,8 +367,15 @@ public:
WRITE_READ = 7,
};
+ enum CompressionMode {
+ COMPRESSION_FASTLZ = Compression::MODE_FASTLZ,
+ COMPRESSION_DEFLATE = Compression::MODE_DEFLATE,
+ COMPRESSION_ZSTD = Compression::MODE_ZSTD
+ };
+
Error open_encrypted(const String &p_path, int p_mode_flags, const Vector<uint8_t> &p_key);
Error open_encrypted_pass(const String &p_path, int p_mode_flags, const String &p_pass);
+ Error open_compressed(const String &p_path, int p_mode_flags, int p_compress_mode = 0);
Error open(const String &p_path, int p_mode_flags); ///< open a file
void close(); ///< close a file
diff --git a/core/variant_call.cpp b/core/variant_call.cpp
index 9ead727a80..6936a362e1 100644
--- a/core/variant_call.cpp
+++ b/core/variant_call.cpp
@@ -30,6 +30,7 @@
#include "variant.h"
#include "core_string_names.h"
+#include "io/compression.h"
#include "object.h"
#include "os/os.h"
#include "script_language.h"
@@ -509,6 +510,44 @@ struct _VariantCall {
r_ret = s;
}
+ static void _call_PoolByteArray_compress(Variant &r_ret, Variant &p_self, const Variant **p_args) {
+
+ PoolByteArray *ba = reinterpret_cast<PoolByteArray *>(p_self._data._mem);
+ PoolByteArray compressed;
+ Compression::Mode mode = (Compression::Mode)(int)(*p_args[0]);
+
+ compressed.resize(Compression::get_max_compressed_buffer_size(ba->size()));
+ int result = Compression::compress(compressed.write().ptr(), ba->read().ptr(), ba->size(), mode);
+
+ result = result >= 0 ? result : 0;
+ compressed.resize(result);
+
+ r_ret = compressed;
+ }
+
+ static void _call_PoolByteArray_decompress(Variant &r_ret, Variant &p_self, const Variant **p_args) {
+
+ PoolByteArray *ba = reinterpret_cast<PoolByteArray *>(p_self._data._mem);
+ PoolByteArray decompressed;
+ Compression::Mode mode = (Compression::Mode)(int)(*p_args[1]);
+
+ int buffer_size = (int)(*p_args[0]);
+
+ if (buffer_size < 0) {
+ r_ret = decompressed;
+ ERR_EXPLAIN("Decompression buffer size is less than zero");
+ ERR_FAIL();
+ }
+
+ decompressed.resize(buffer_size);
+ int result = Compression::decompress(decompressed.write().ptr(), buffer_size, ba->read().ptr(), ba->size(), mode);
+
+ result = result >= 0 ? result : 0;
+ decompressed.resize(result);
+
+ r_ret = decompressed;
+ }
+
VCALL_LOCALMEM0R(PoolByteArray, size);
VCALL_LOCALMEM2(PoolByteArray, set);
VCALL_LOCALMEM1R(PoolByteArray, get);
@@ -1552,6 +1591,8 @@ void register_variant_methods() {
ADDFUNC0(POOL_BYTE_ARRAY, STRING, PoolByteArray, get_string_from_ascii, varray());
ADDFUNC0(POOL_BYTE_ARRAY, STRING, PoolByteArray, get_string_from_utf8, varray());
+ ADDFUNC1(POOL_BYTE_ARRAY, POOL_BYTE_ARRAY, PoolByteArray, compress, INT, "compression_mode", varray(0));
+ ADDFUNC2(POOL_BYTE_ARRAY, POOL_BYTE_ARRAY, PoolByteArray, decompress, INT, "buffer_size", INT, "compression_mode", varray(0));
ADDFUNC0(POOL_INT_ARRAY, INT, PoolIntArray, size, varray());
ADDFUNC2(POOL_INT_ARRAY, NIL, PoolIntArray, set, INT, "idx", INT, "integer", varray());
diff --git a/doc/base/classes.xml b/doc/base/classes.xml
index fd3d629505..2139d1a467 100644
--- a/doc/base/classes.xml
+++ b/doc/base/classes.xml
@@ -15299,6 +15299,19 @@
Open the file for writing or reading, depending on the flags.
</description>
</method>
+ <method name="open_compressed">
+ <return type="int">
+ </return>
+ <argument index="0" name="path" type="String">
+ </argument>
+ <argument index="1" name="mode_flags" type="int">
+ </argument>
+ <argument index="2" name="compression_mode" type="int" default="0">
+ </argument>
+ <description>
+ Open a compressed file for reading or writing. The compression_mode can be set as one of the COMPRESSION_* constants.
+ </description>
+ </method>
<method name="open_encrypted">
<return type="int">
</return>
@@ -15445,6 +15458,15 @@
<constant name="WRITE_READ" value="7">
Open the file for reading and writing. Create it if the file not exists and truncate if it exists.
</constant>
+ <constant name="COMPRESSION_FASTLZ" value="0">
+ Use the FastLZ compression method.
+ </constant>
+ <constant name="COMPRESSION_DEFLATE" value="1">
+ Use the Deflate compression method.
+ </constant>
+ <constant name="COMPRESSION_ZSTD" value="2">
+ Use the Zstd compression method.
+ </constant>
</constants>
</class>
<class name="FileDialog" inherits="ConfirmationDialog" category="Core">
@@ -33764,6 +33786,26 @@
Append an [PoolByteArray] at the end of this array.
</description>
</method>
+ <method name="compress">
+ <return type="PoolByteArray">
+ </return>
+ <argument index="0" name="compression_mode" type="int" default="0">
+ </argument>
+ <description>
+ Returns a new [PoolByteArray] with the data compressed. The compression mode can be set using one of the COMPRESS_* constants of [File].
+ </description>
+ </method>
+ <method name="decompress">
+ <return type="PoolByteArray">
+ </return>
+ <argument index="0" name="buffer_size" type="int">
+ </argument>
+ <argument index="1" name="compression_mode" type="int" default="0">
+ </argument>
+ <description>
+ Returns a new [PoolByteArray] with the data decompressed. The buffer_size should be set as the size of the uncompressed data. The compression mode can be set using one of the COMPRESS_* constants of [File].
+ </description>
+ </method>
<method name="get_string_from_ascii">
<return type="String">
</return>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 10:24:40 +0000