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Add basic compression functions to PoolBaseArray

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George Marques 2017-06-19 02:46:29 -03:00
parent 9583ecf7e8
commit af7d590206
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GPG key ID: 046BD46A3201E43D
1 changed files with 41 additions and 0 deletions
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41
core/variant_call.cpp
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@ -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());