X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fserialization.h;h=f399983c49a09cb5b901ac439040453d9deca99f;hb=61a196378ff91411af3245504c5861da026b3b25;hp=defead31e3309c3052ebf212df003a5c347d4d79;hpb=6d0ea26c2d62c3774ff384cf1bfc2a3372b49a3b;p=minetest.git

diff --git a/src/serialization.h b/src/serialization.h
index defead31e..f399983c4 100644
--- a/src/serialization.h
+++ b/src/serialization.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef SERIALIZATION_HEADER
-#define SERIALIZATION_HEADER
+#pragma once
 
 #include "irrlichttypes.h"
 #include "exceptions.h"
@@ -30,11 +29,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 	--------------------------------
 
 	For map data (blocks, nodes, sectors).
-	
+
 	NOTE: The goal is to increment this so that saved maps will be
 	      loadable by any version. Other compatibility is not
 		  maintained.
-		  
+
 	0: original networked test with 1-byte nodes
 	1: update with 2-byte nodes
 	2: lighting is transmitted in param
@@ -61,28 +60,36 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 	23: new node metadata format
 	24: 16-bit node ids and node timers (never released as stable)
 	25: Improved node timer format
+	26: Never written; read the same as 25
+	27: Added light spreading flags to blocks
+	28: Added "private" flag to NodeMetadata
 */
 // This represents an uninitialized or invalid format
 #define SER_FMT_VER_INVALID 255
 // Highest supported serialization version
-#define SER_FMT_VER_HIGHEST 25
+#define SER_FMT_VER_HIGHEST_READ 28
+// Saved on disk version
+#define SER_FMT_VER_HIGHEST_WRITE 28
 // Lowest supported serialization version
-#define SER_FMT_VER_LOWEST 0
+#define SER_FMT_VER_LOWEST_READ 0
+// Lowest serialization version for writing
+// Can't do < 24 anymore; we have 16-bit dynamically allocated node IDs
+// in memory; conversion just won't work in this direction.
+#define SER_FMT_VER_LOWEST_WRITE 24
 
-#define ser_ver_supported(v) (v >= SER_FMT_VER_LOWEST && v <= SER_FMT_VER_HIGHEST)
+inline bool ser_ver_supported(s32 v) {
+	return v >= SER_FMT_VER_LOWEST_READ && v <= SER_FMT_VER_HIGHEST_READ;
+}
 
 /*
 	Misc. serialization functions
 */
 
-void compressZlib(SharedBuffer<u8> data, std::ostream &os);
-void compressZlib(const std::string &data, std::ostream &os);
-void decompressZlib(std::istream &is, std::ostream &os);
+void compressZlib(const u8 *data, size_t data_size, std::ostream &os, int level = -1);
+void compressZlib(const std::string &data, std::ostream &os, int level = -1);
+void decompressZlib(std::istream &is, std::ostream &os, size_t limit = 0);
 
 // These choose between zlib and a self-made one according to version
-void compress(SharedBuffer<u8> data, std::ostream &os, u8 version);
+void compress(const SharedBuffer<u8> &data, std::ostream &os, u8 version);
 //void compress(const std::string &data, std::ostream &os, u8 version);
 void decompress(std::istream &is, std::ostream &os, u8 version);
-
-#endif
-