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Compress embedded GDExtension interface

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This commit is contained in:
RedworkDE
2023-05-16 22:11:51 +02:00
parent a8453cb333
commit 110bc5058d
1 changed files with 26 additions and 9 deletions
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35
core/extension/make_interface_dumper.py
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@@ -1,9 +1,19 @@
import zlib
def run(target, source, env): def run(target, source, env):
src = source[0] src = source[0]
dst = target[0] dst = target[0]
f = open(src, "r", encoding="utf-8") f = open(src, "rb")
g = open(dst, "w", encoding="utf-8") g = open(dst, "w", encoding="utf-8")
buf = f.read()
decomp_size = len(buf)
# Use maximum zlib compression level to further reduce file size
# (at the cost of initial build times).
buf = zlib.compress(buf, zlib.Z_BEST_COMPRESSION)
g.write( g.write(
"""/* THIS FILE IS GENERATED DO NOT EDIT */ """/* THIS FILE IS GENERATED DO NOT EDIT */
#ifndef GDEXTENSION_INTERFACE_DUMP_H #ifndef GDEXTENSION_INTERFACE_DUMP_H
@@ -11,25 +21,32 @@ def run(target, source, env):
#ifdef TOOLS_ENABLED #ifdef TOOLS_ENABLED
#include "core/io/compression.h"
#include "core/io/file_access.h" #include "core/io/file_access.h"
#include "core/string/ustring.h" #include "core/string/ustring.h"
class GDExtensionInterfaceDump { """
private:
static constexpr char const *gdextension_interface_dump ="""
) )
for line in f:
g.write('"' + line.rstrip().replace('"', '\\"') + '\\n"\n') g.write("static const int _gdextension_interface_data_compressed_size = " + str(len(buf)) + ";\n")
g.write(";\n") g.write("static const int _gdextension_interface_data_uncompressed_size = " + str(decomp_size) + ";\n")
g.write("static const unsigned char _gdextension_interface_data_compressed[] = {\n")
for i in range(len(buf)):
g.write("\t" + str(buf[i]) + ",\n")
g.write("};\n")
g.write( g.write(
""" """
class GDExtensionInterfaceDump {
public: public:
static void generate_gdextension_interface_file(const String &p_path) { static void generate_gdextension_interface_file(const String &p_path) {
Ref<FileAccess> fa = FileAccess::open(p_path, FileAccess::WRITE); Ref<FileAccess> fa = FileAccess::open(p_path, FileAccess::WRITE);
ERR_FAIL_COND_MSG(fa.is_null(), vformat("Cannot open file '%s' for writing.", p_path)); ERR_FAIL_COND_MSG(fa.is_null(), vformat("Cannot open file '%s' for writing.", p_path));
CharString cs(gdextension_interface_dump); Vector<uint8_t> data;
fa->store_buffer((const uint8_t *)cs.ptr(), cs.length()); data.resize(_gdextension_interface_data_uncompressed_size);
int ret = Compression::decompress(data.ptrw(), _gdextension_interface_data_uncompressed_size, _gdextension_interface_data_compressed, _gdextension_interface_data_compressed_size, Compression::MODE_DEFLATE);
ERR_FAIL_COND_MSG(ret == -1, "Compressed file is corrupt.");
fa->store_buffer(data.ptr(), data.size());
}; };
}; };