From 46d1d70e4c37973a9d9c9b69b150731ca9f53b7d Mon Sep 17 00:00:00 2001
From: PilzAdam <pilzadam@minetest.net>
Date: Sat, 20 Jul 2013 21:25:21 +0200
Subject: [PATCH] Bump protocol version

---
 src/clientserver.h |  7 ++++++-
 src/itemdef.cpp    | 14 ++++++++++----
 src/nodedef.cpp    | 10 +++++-----
 3 files changed, 21 insertions(+), 10 deletions(-)

diff --git a/src/clientserver.h b/src/clientserver.h
index a84d29a90..0d07d64ff 100644
--- a/src/clientserver.h
+++ b/src/clientserver.h
@@ -95,9 +95,14 @@ SharedBuffer<u8> makePacket_TOCLIENT_TIME_OF_DAY(u16 time, float time_speed);
 		TOCLIENT_HUDRM
 		TOCLIENT_HUDCHANGE
 		TOCLIENT_HUD_SET_FLAGS
+	PROTOCOL_VERSION 21:
+		TOCLIENT_BREATH
+		TOSERVER_BREATH
+		range added to ItemDefinition
+		drowning, leveled and liquid_range added to ContentFeatures
 */
 
-#define LATEST_PROTOCOL_VERSION 20
+#define LATEST_PROTOCOL_VERSION 21
 
 // Server's supported network protocol range
 #define SERVER_PROTOCOL_VERSION_MIN 13
diff --git a/src/itemdef.cpp b/src/itemdef.cpp
index 4ac23d0fc..83a70f1d7 100644
--- a/src/itemdef.cpp
+++ b/src/itemdef.cpp
@@ -119,8 +119,10 @@ void ItemDefinition::serialize(std::ostream &os, u16 protocol_version) const
 {
 	if(protocol_version <= 17)
 		writeU8(os, 1); // version
-	else
+	else if(protocol_version <= 20)
 		writeU8(os, 2); // version
+	else
+		writeU8(os, 3); // version
 	writeU8(os, type);
 	os<<serializeString(name);
 	os<<serializeString(description);
@@ -148,6 +150,8 @@ void ItemDefinition::serialize(std::ostream &os, u16 protocol_version) const
 		//serializeSimpleSoundSpec(sound_place, os);
 		os<<serializeString(sound_place.name);
 		writeF1000(os, sound_place.gain);
+	}
+	if(protocol_version > 20){
 		writeF1000(os, range);
 	}
 }
@@ -159,7 +163,7 @@ void ItemDefinition::deSerialize(std::istream &is)
 
 	// Deserialize
 	int version = readU8(is);
-	if(version != 1 && version != 2)
+	if(version < 1 || version > 3)
 		throw SerializationError("unsupported ItemDefinition version");
 	type = (enum ItemType)readU8(is);
 	name = deSerializeString(is);
@@ -192,16 +196,18 @@ void ItemDefinition::deSerialize(std::istream &is)
 		// Set the old default sound
 		sound_place.name = "default_place_node";
 		sound_place.gain = 0.5;
-	} else if(version == 2) {
+	} else if(version >= 2) {
 		node_placement_prediction = deSerializeString(is);
 		//deserializeSimpleSoundSpec(sound_place, is);
 		sound_place.name = deSerializeString(is);
 		sound_place.gain = readF1000(is);
 	}
+	if(version == 3) {
+		range = readF1000(is);
+	}
 	// If you add anything here, insert it primarily inside the try-catch
 	// block to not need to increase the version.
 	try{
-		range = readF1000(is);
 	}catch(SerializationError &e) {};
 }
 
diff --git a/src/nodedef.cpp b/src/nodedef.cpp
index b1ce7bbc8..a4d036883 100644
--- a/src/nodedef.cpp
+++ b/src/nodedef.cpp
@@ -281,11 +281,11 @@ void ContentFeatures::serialize(std::ostream &os, u16 protocol_version)
 	serializeSimpleSoundSpec(sound_dig, os);
 	serializeSimpleSoundSpec(sound_dug, os);
 	writeU8(os, rightclickable);
-	// Stuff below should be moved to correct place in a version that otherwise changes
-	// the protocol version
 	writeU8(os, drowning);
 	writeU8(os, leveled);
 	writeU8(os, liquid_range);
+	// Stuff below should be moved to correct place in a version that otherwise changes
+	// the protocol version
 }
 
 void ContentFeatures::deSerialize(std::istream &is)
@@ -345,14 +345,14 @@ void ContentFeatures::deSerialize(std::istream &is)
 	deSerializeSimpleSoundSpec(sound_dig, is);
 	deSerializeSimpleSoundSpec(sound_dug, is);
 	rightclickable = readU8(is);
+	drowning = readU8(is);
+	leveled = readU8(is);
+	liquid_range = readU8(is);
 	// If you add anything here, insert it primarily inside the try-catch
 	// block to not need to increase the version.
 	try{
 		// Stuff below should be moved to correct place in a version that
 		// otherwise changes the protocol version
-		drowning = readU8(is);
-		leveled = readU8(is);
-		liquid_range = readU8(is);
 	}catch(SerializationError &e) {};
 }