forked from Mirrorlandia_minetest/minetest
Support serialization of protocol 13 ContentFeatures
This commit is contained in:
parent
9714612999
commit
23913f26cd
296
src/nodedef.cpp
296
src/nodedef.cpp
@ -215,8 +215,13 @@ void ContentFeatures::reset()
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sound_dug = SimpleSoundSpec();
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}
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void ContentFeatures::serialize(std::ostream &os)
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void ContentFeatures::serialize(std::ostream &os, u16 protocol_version)
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{
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if(protocol_version < 14){
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serializeOld(os, protocol_version);
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return;
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}
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writeU8(os, 6); // version
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os<<serializeString(name);
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writeU16(os, groups.size());
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@ -271,117 +276,65 @@ void ContentFeatures::serialize(std::ostream &os)
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void ContentFeatures::deSerialize(std::istream &is)
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{
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int version = readU8(is);
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if(version == 6) // In PROTOCOL_VERSION 14
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{
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name = deSerializeString(is);
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groups.clear();
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u32 groups_size = readU16(is);
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for(u32 i=0; i<groups_size; i++){
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std::string name = deSerializeString(is);
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int value = readS16(is);
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groups[name] = value;
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}
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drawtype = (enum NodeDrawType)readU8(is);
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visual_scale = readF1000(is);
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if(readU8(is) != 6)
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throw SerializationError("unsupported tile count");
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for(u32 i=0; i<6; i++)
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tiledef[i].deSerialize(is);
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if(readU8(is) != CF_SPECIAL_COUNT)
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throw SerializationError("unsupported CF_SPECIAL_COUNT");
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for(u32 i=0; i<CF_SPECIAL_COUNT; i++)
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tiledef_special[i].deSerialize(is);
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alpha = readU8(is);
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post_effect_color.setAlpha(readU8(is));
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post_effect_color.setRed(readU8(is));
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post_effect_color.setGreen(readU8(is));
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post_effect_color.setBlue(readU8(is));
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param_type = (enum ContentParamType)readU8(is);
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param_type_2 = (enum ContentParamType2)readU8(is);
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is_ground_content = readU8(is);
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light_propagates = readU8(is);
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sunlight_propagates = readU8(is);
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walkable = readU8(is);
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pointable = readU8(is);
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diggable = readU8(is);
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climbable = readU8(is);
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buildable_to = readU8(is);
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deSerializeString(is); // legacy: used to be metadata_name
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liquid_type = (enum LiquidType)readU8(is);
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liquid_alternative_flowing = deSerializeString(is);
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liquid_alternative_source = deSerializeString(is);
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liquid_viscosity = readU8(is);
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liquid_renewable = readU8(is);
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light_source = readU8(is);
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damage_per_second = readU32(is);
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node_box.deSerialize(is);
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selection_box.deSerialize(is);
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legacy_facedir_simple = readU8(is);
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legacy_wallmounted = readU8(is);
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deSerializeSimpleSoundSpec(sound_footstep, is);
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deSerializeSimpleSoundSpec(sound_dig, is);
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deSerializeSimpleSoundSpec(sound_dug, is);
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// If you add anything here, insert it primarily inside the try-catch
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// block to not need to increase the version.
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try{
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// Stuff below should be moved to correct place in a version that
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// otherwise changes the protocol version
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}catch(SerializationError &e) {};
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if(version != 6){
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deSerializeOld(is, version);
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return;
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}
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else if(version == 5) // In PROTOCOL_VERSION 13
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{
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name = deSerializeString(is);
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groups.clear();
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u32 groups_size = readU16(is);
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for(u32 i=0; i<groups_size; i++){
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std::string name = deSerializeString(is);
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int value = readS16(is);
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groups[name] = value;
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}
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drawtype = (enum NodeDrawType)readU8(is);
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visual_scale = readF1000(is);
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if(readU8(is) != 6)
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throw SerializationError("unsupported tile count");
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for(u32 i=0; i<6; i++)
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tiledef[i].deSerialize(is);
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if(readU8(is) != CF_SPECIAL_COUNT)
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throw SerializationError("unsupported CF_SPECIAL_COUNT");
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for(u32 i=0; i<CF_SPECIAL_COUNT; i++)
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tiledef_special[i].deSerialize(is);
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alpha = readU8(is);
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post_effect_color.setAlpha(readU8(is));
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post_effect_color.setRed(readU8(is));
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post_effect_color.setGreen(readU8(is));
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post_effect_color.setBlue(readU8(is));
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param_type = (enum ContentParamType)readU8(is);
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param_type_2 = (enum ContentParamType2)readU8(is);
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is_ground_content = readU8(is);
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light_propagates = readU8(is);
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sunlight_propagates = readU8(is);
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walkable = readU8(is);
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pointable = readU8(is);
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diggable = readU8(is);
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climbable = readU8(is);
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buildable_to = readU8(is);
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deSerializeString(is); // legacy: used to be metadata_name
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liquid_type = (enum LiquidType)readU8(is);
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liquid_alternative_flowing = deSerializeString(is);
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liquid_alternative_source = deSerializeString(is);
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liquid_viscosity = readU8(is);
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light_source = readU8(is);
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damage_per_second = readU32(is);
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node_box.deSerialize(is);
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selection_box.deSerialize(is);
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legacy_facedir_simple = readU8(is);
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legacy_wallmounted = readU8(is);
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deSerializeSimpleSoundSpec(sound_footstep, is);
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deSerializeSimpleSoundSpec(sound_dig, is);
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deSerializeSimpleSoundSpec(sound_dug, is);
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}
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else
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{
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throw SerializationError("unsupported ContentFeatures version");
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name = deSerializeString(is);
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groups.clear();
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u32 groups_size = readU16(is);
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for(u32 i=0; i<groups_size; i++){
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std::string name = deSerializeString(is);
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int value = readS16(is);
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groups[name] = value;
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}
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drawtype = (enum NodeDrawType)readU8(is);
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visual_scale = readF1000(is);
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if(readU8(is) != 6)
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throw SerializationError("unsupported tile count");
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for(u32 i=0; i<6; i++)
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tiledef[i].deSerialize(is);
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if(readU8(is) != CF_SPECIAL_COUNT)
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throw SerializationError("unsupported CF_SPECIAL_COUNT");
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for(u32 i=0; i<CF_SPECIAL_COUNT; i++)
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tiledef_special[i].deSerialize(is);
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alpha = readU8(is);
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post_effect_color.setAlpha(readU8(is));
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post_effect_color.setRed(readU8(is));
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post_effect_color.setGreen(readU8(is));
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post_effect_color.setBlue(readU8(is));
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param_type = (enum ContentParamType)readU8(is);
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param_type_2 = (enum ContentParamType2)readU8(is);
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is_ground_content = readU8(is);
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light_propagates = readU8(is);
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sunlight_propagates = readU8(is);
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walkable = readU8(is);
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pointable = readU8(is);
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diggable = readU8(is);
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climbable = readU8(is);
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buildable_to = readU8(is);
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deSerializeString(is); // legacy: used to be metadata_name
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liquid_type = (enum LiquidType)readU8(is);
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liquid_alternative_flowing = deSerializeString(is);
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liquid_alternative_source = deSerializeString(is);
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liquid_viscosity = readU8(is);
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liquid_renewable = readU8(is);
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light_source = readU8(is);
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damage_per_second = readU32(is);
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node_box.deSerialize(is);
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selection_box.deSerialize(is);
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legacy_facedir_simple = readU8(is);
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legacy_wallmounted = readU8(is);
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deSerializeSimpleSoundSpec(sound_footstep, is);
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deSerializeSimpleSoundSpec(sound_dig, is);
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deSerializeSimpleSoundSpec(sound_dug, is);
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// If you add anything here, insert it primarily inside the try-catch
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// block to not need to increase the version.
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try{
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// Stuff below should be moved to correct place in a version that
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// otherwise changes the protocol version
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}catch(SerializationError &e) {};
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}
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/*
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@ -748,7 +701,7 @@ public:
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}
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#endif
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}
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void serialize(std::ostream &os)
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void serialize(std::ostream &os, u16 protocol_version)
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{
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writeU8(os, 1); // version
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u16 count = 0;
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@ -764,7 +717,7 @@ public:
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// Wrap it in a string to allow different lengths without
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// strict version incompatibilities
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std::ostringstream wrapper_os(std::ios::binary);
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f->serialize(wrapper_os);
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f->serialize(wrapper_os, protocol_version);
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os2<<serializeString(wrapper_os.str());
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count++;
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}
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@ -821,3 +774,122 @@ IWritableNodeDefManager* createNodeDefManager()
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return new CNodeDefManager();
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}
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/*
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Serialization of old ContentFeatures formats
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*/
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void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version)
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{
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if(protocol_version == 13)
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{
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writeU8(os, 5); // version
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os<<serializeString(name);
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writeU16(os, groups.size());
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for(ItemGroupList::const_iterator
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i = groups.begin(); i != groups.end(); i++){
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os<<serializeString(i->first);
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writeS16(os, i->second);
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}
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writeU8(os, drawtype);
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writeF1000(os, visual_scale);
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writeU8(os, 6);
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for(u32 i=0; i<6; i++)
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tiledef[i].serialize(os);
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writeU8(os, CF_SPECIAL_COUNT);
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for(u32 i=0; i<CF_SPECIAL_COUNT; i++){
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tiledef_special[i].serialize(os);
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}
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writeU8(os, alpha);
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writeU8(os, post_effect_color.getAlpha());
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writeU8(os, post_effect_color.getRed());
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writeU8(os, post_effect_color.getGreen());
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writeU8(os, post_effect_color.getBlue());
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writeU8(os, param_type);
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writeU8(os, param_type_2);
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writeU8(os, is_ground_content);
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writeU8(os, light_propagates);
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writeU8(os, sunlight_propagates);
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writeU8(os, walkable);
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writeU8(os, pointable);
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writeU8(os, diggable);
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writeU8(os, climbable);
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writeU8(os, buildable_to);
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os<<serializeString(""); // legacy: used to be metadata_name
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writeU8(os, liquid_type);
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os<<serializeString(liquid_alternative_flowing);
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os<<serializeString(liquid_alternative_source);
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writeU8(os, liquid_viscosity);
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writeU8(os, light_source);
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writeU32(os, damage_per_second);
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node_box.serialize(os);
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selection_box.serialize(os);
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writeU8(os, legacy_facedir_simple);
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writeU8(os, legacy_wallmounted);
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serializeSimpleSoundSpec(sound_footstep, os);
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serializeSimpleSoundSpec(sound_dig, os);
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serializeSimpleSoundSpec(sound_dug, os);
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}
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else
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{
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throw SerializationError("ContentFeatures::serialize(): Unsupported version requested");
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}
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}
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void ContentFeatures::deSerializeOld(std::istream &is, int version)
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{
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if(version == 5) // In PROTOCOL_VERSION 13
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{
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name = deSerializeString(is);
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groups.clear();
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u32 groups_size = readU16(is);
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for(u32 i=0; i<groups_size; i++){
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std::string name = deSerializeString(is);
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int value = readS16(is);
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groups[name] = value;
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}
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drawtype = (enum NodeDrawType)readU8(is);
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visual_scale = readF1000(is);
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if(readU8(is) != 6)
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throw SerializationError("unsupported tile count");
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for(u32 i=0; i<6; i++)
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tiledef[i].deSerialize(is);
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if(readU8(is) != CF_SPECIAL_COUNT)
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throw SerializationError("unsupported CF_SPECIAL_COUNT");
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for(u32 i=0; i<CF_SPECIAL_COUNT; i++)
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tiledef_special[i].deSerialize(is);
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alpha = readU8(is);
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post_effect_color.setAlpha(readU8(is));
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post_effect_color.setRed(readU8(is));
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post_effect_color.setGreen(readU8(is));
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post_effect_color.setBlue(readU8(is));
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param_type = (enum ContentParamType)readU8(is);
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param_type_2 = (enum ContentParamType2)readU8(is);
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is_ground_content = readU8(is);
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light_propagates = readU8(is);
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sunlight_propagates = readU8(is);
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walkable = readU8(is);
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pointable = readU8(is);
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diggable = readU8(is);
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climbable = readU8(is);
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buildable_to = readU8(is);
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deSerializeString(is); // legacy: used to be metadata_name
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liquid_type = (enum LiquidType)readU8(is);
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liquid_alternative_flowing = deSerializeString(is);
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liquid_alternative_source = deSerializeString(is);
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liquid_viscosity = readU8(is);
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light_source = readU8(is);
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damage_per_second = readU32(is);
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node_box.deSerialize(is);
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selection_box.deSerialize(is);
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legacy_facedir_simple = readU8(is);
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legacy_wallmounted = readU8(is);
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deSerializeSimpleSoundSpec(sound_footstep, is);
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deSerializeSimpleSoundSpec(sound_dig, is);
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deSerializeSimpleSoundSpec(sound_dug, is);
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}
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else
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{
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throw SerializationError("unsupported ContentFeatures version");
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}
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}
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@ -234,8 +234,10 @@ struct ContentFeatures
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ContentFeatures();
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~ContentFeatures();
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void reset();
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void serialize(std::ostream &os);
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void serialize(std::ostream &os, u16 protocol_version);
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void deSerialize(std::istream &is);
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void serializeOld(std::ostream &os, u16 protocol_version);
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void deSerializeOld(std::istream &is, int version);
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/*
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Some handy methods
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@ -264,7 +266,7 @@ public:
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const=0;
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virtual const ContentFeatures& get(const std::string &name) const=0;
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virtual void serialize(std::ostream &os)=0;
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virtual void serialize(std::ostream &os, u16 protocol_version)=0;
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};
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class IWritableNodeDefManager : public INodeDefManager
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@ -305,7 +307,7 @@ public:
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*/
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virtual void updateTextures(ITextureSource *tsrc)=0;
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virtual void serialize(std::ostream &os)=0;
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virtual void serialize(std::ostream &os, u16 protocol_version)=0;
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virtual void deSerialize(std::istream &is)=0;
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};
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@ -2255,8 +2255,9 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
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return;
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}
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getClient(peer_id)->serialization_version
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= getClient(peer_id)->pending_serialization_version;
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RemoteClient *client = getClient(peer_id);
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client->serialization_version =
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getClient(peer_id)->pending_serialization_version;
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/*
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Send some initialization data
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@ -2269,7 +2270,7 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
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SendItemDef(m_con, peer_id, m_itemdef);
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// Send node definitions
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SendNodeDef(m_con, peer_id, m_nodedef);
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SendNodeDef(m_con, peer_id, m_nodedef, client->net_proto_version);
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// Send media announcement
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sendMediaAnnouncement(peer_id);
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@ -3521,7 +3522,7 @@ void Server::SendItemDef(con::Connection &con, u16 peer_id,
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}
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void Server::SendNodeDef(con::Connection &con, u16 peer_id,
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INodeDefManager *nodedef)
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INodeDefManager *nodedef, u16 protocol_version)
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{
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DSTACK(__FUNCTION_NAME);
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std::ostringstream os(std::ios_base::binary);
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@ -3533,7 +3534,7 @@ void Server::SendNodeDef(con::Connection &con, u16 peer_id,
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*/
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writeU16(os, TOCLIENT_NODEDEF);
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std::ostringstream tmp_os(std::ios::binary);
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nodedef->serialize(tmp_os);
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nodedef->serialize(tmp_os, protocol_version);
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std::ostringstream tmp_os2(std::ios::binary);
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compressZlib(tmp_os.str(), tmp_os2);
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os<<serializeLongString(tmp_os2.str());
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