コード例 #1
0
Error EditorExportPlatform::save_pack(const Ref<EditorExportPreset> &p_preset, const String &p_path, Vector<SharedObject> *p_so_files) {

	EditorProgress ep("savepack", TTR("Packing"), 102, true);

	String tmppath = EditorSettings::get_singleton()->get_cache_dir().plus_file("packtmp");
	FileAccess *ftmp = FileAccess::open(tmppath, FileAccess::WRITE);
	ERR_FAIL_COND_V(!ftmp, ERR_CANT_CREATE)

	PackData pd;
	pd.ep = &ep;
	pd.f = ftmp;
	pd.so_files = p_so_files;

	Error err = export_project_files(p_preset, _save_pack_file, &pd, _add_shared_object);

	memdelete(ftmp); //close tmp file

	if (err)
		return err;

	pd.file_ofs.sort(); //do sort, so we can do binary search later

	FileAccess *f = FileAccess::open(p_path, FileAccess::WRITE);
	ERR_FAIL_COND_V(!f, ERR_CANT_CREATE)
	f->store_32(0x43504447); //GDPK
	f->store_32(1); //pack version
	f->store_32(VERSION_MAJOR);
	f->store_32(VERSION_MINOR);
	f->store_32(0); //hmph
	for (int i = 0; i < 16; i++) {
		//reserved
		f->store_32(0);
	}

	f->store_32(pd.file_ofs.size()); //amount of files

	size_t header_size = f->get_position();

	//precalculate header size

	for (int i = 0; i < pd.file_ofs.size(); i++) {
		header_size += 4; // size of path string (32 bits is enough)
		uint32_t string_len = pd.file_ofs[i].path_utf8.length();
		header_size += string_len + _get_pad(4, string_len); ///size of path string
		header_size += 8; // offset to file _with_ header size included
		header_size += 8; // size of file
		header_size += 16; // md5
	}

	size_t header_padding = _get_pad(PCK_PADDING, header_size);

	for (int i = 0; i < pd.file_ofs.size(); i++) {

		uint32_t string_len = pd.file_ofs[i].path_utf8.length();
		uint32_t pad = _get_pad(4, string_len);
		;
		f->store_32(string_len + pad);
		f->store_buffer((const uint8_t *)pd.file_ofs[i].path_utf8.get_data(), string_len);
		for (uint32_t j = 0; j < pad; j++) {
			f->store_8(0);
		}

		f->store_64(pd.file_ofs[i].ofs + header_padding + header_size);
		f->store_64(pd.file_ofs[i].size); // pay attention here, this is where file is
		f->store_buffer(pd.file_ofs[i].md5.ptr(), 16); //also save md5 for file
	}

	for (uint32_t j = 0; j < header_padding; j++) {
		f->store_8(0);
	}

	//save the rest of the data

	ftmp = FileAccess::open(tmppath, FileAccess::READ);
	if (!ftmp) {
		memdelete(f);
		ERR_FAIL_COND_V(!ftmp, ERR_CANT_CREATE)
	}
コード例 #2
0
void ResourceImporterTexture::_save_stex(const Ref<Image> &p_image, const String &p_to_path, int p_compress_mode, float p_lossy_quality, Image::CompressMode p_vram_compression, bool p_mipmaps, int p_texture_flags, bool p_streamable, bool p_detect_3d, bool p_detect_srgb, bool p_force_rgbe, bool p_detect_normal, bool p_force_normal) {

	print_line("saving: " + p_to_path);
	FileAccess *f = FileAccess::open(p_to_path, FileAccess::WRITE);
	f->store_8('G');
	f->store_8('D');
	f->store_8('S');
	f->store_8('T'); //godot streamable texture

	f->store_32(p_image->get_width());
	f->store_32(p_image->get_height());
	f->store_32(p_texture_flags);

	uint32_t format = 0;

	if (p_streamable)
		format |= StreamTexture::FORMAT_BIT_STREAM;
	if (p_mipmaps || p_compress_mode == COMPRESS_VIDEO_RAM) //VRAM always uses mipmaps
		format |= StreamTexture::FORMAT_BIT_HAS_MIPMAPS; //mipmaps bit
	if (p_detect_3d)
		format |= StreamTexture::FORMAT_BIT_DETECT_3D;
	if (p_detect_srgb)
		format |= StreamTexture::FORMAT_BIT_DETECT_SRGB;
	if (p_detect_normal)
		format |= StreamTexture::FORMAT_BIT_DETECT_NORMAL;

	if ((p_compress_mode == COMPRESS_LOSSLESS || p_compress_mode == COMPRESS_LOSSY) && p_image->get_format() > Image::FORMAT_RGBA8) {
		p_compress_mode == COMPRESS_UNCOMPRESSED; //these can't go as lossy
	}

	switch (p_compress_mode) {
		case COMPRESS_LOSSLESS: {

			Ref<Image> image = p_image->duplicate();
			if (p_mipmaps) {
				image->generate_mipmaps();
			} else {
				image->clear_mipmaps();
			}

			int mmc = image->get_mipmap_count() + 1;

			format |= StreamTexture::FORMAT_BIT_LOSSLESS;
			f->store_32(format);
			f->store_32(mmc);

			for (int i = 0; i < mmc; i++) {

				if (i > 0) {
					image->shrink_x2();
				}

				PoolVector<uint8_t> data = Image::lossless_packer(image);
				int data_len = data.size();
				f->store_32(data_len);

				PoolVector<uint8_t>::Read r = data.read();
				f->store_buffer(r.ptr(), data_len);
			}

		} break;
		case COMPRESS_LOSSY: {
			Ref<Image> image = p_image->duplicate();
			if (p_mipmaps) {
				image->generate_mipmaps();
			} else {
				image->clear_mipmaps();
			}

			int mmc = image->get_mipmap_count() + 1;

			format |= StreamTexture::FORMAT_BIT_LOSSY;
			f->store_32(format);
			f->store_32(mmc);

			for (int i = 0; i < mmc; i++) {

				if (i > 0) {
					image->shrink_x2();
				}

				PoolVector<uint8_t> data = Image::lossy_packer(image, p_lossy_quality);
				int data_len = data.size();
				f->store_32(data_len);

				PoolVector<uint8_t>::Read r = data.read();
				f->store_buffer(r.ptr(), data_len);
			}
		} break;
		case COMPRESS_VIDEO_RAM: {

			Ref<Image> image = p_image->duplicate();
			image->generate_mipmaps();

			if (p_force_rgbe && image->get_format() >= Image::FORMAT_R8 && image->get_format() <= Image::FORMAT_RGBE9995) {
				image->convert(Image::FORMAT_RGBE9995);
			} else {
				Image::CompressSource csource = Image::COMPRESS_SOURCE_GENERIC;
				if (p_force_normal) {
					csource = Image::COMPRESS_SOURCE_NORMAL;
				} else if (p_texture_flags & VS::TEXTURE_FLAG_CONVERT_TO_LINEAR) {
					csource = Image::COMPRESS_SOURCE_SRGB;
				}

				image->compress(p_vram_compression, csource, p_lossy_quality);
			}

			format |= image->get_format();

			f->store_32(format);

			PoolVector<uint8_t> data = image->get_data();
			int dl = data.size();
			PoolVector<uint8_t>::Read r = data.read();
			f->store_buffer(r.ptr(), dl);
		} break;
		case COMPRESS_UNCOMPRESSED: {

			Ref<Image> image = p_image->duplicate();
			if (p_mipmaps) {
				image->generate_mipmaps();
			} else {
				image->clear_mipmaps();
			}

			format |= image->get_format();
			f->store_32(format);

			PoolVector<uint8_t> data = image->get_data();
			int dl = data.size();
			PoolVector<uint8_t>::Read r = data.read();

			f->store_buffer(r.ptr(), dl);

		} break;
	}

	memdelete(f);
}