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Proper versioning of new network-serialized stuff

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This commit is contained in:
Perttu Ahola 2012-11-26 09:49:31 +02:00
parent 197542c7ec
commit 4fa4340b95
4 changed files with 195 additions and 93 deletions
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86
src/object_properties.cpp
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@ -74,7 +74,7 @@ std::string ObjectProperties::dump()
void ObjectProperties::serialize(std::ostream &os) const
{
writeU8(os, 1); // version
writeU8(os, 2); // version
writeS16(os, hp_max);
writeU8(os, physical);
writeF1000(os, weight);
@ -96,37 +96,69 @@ void ObjectProperties::serialize(std::ostream &os) const
writeU8(os, is_visible);
writeU8(os, makes_footstep_sound);
writeF1000(os, automatic_rotate);
// Stuff below should be moved to correct place in a version that otherwise changes
// the protocol version
}
void ObjectProperties::deSerialize(std::istream &is)
{
int version = readU8(is);
if(version != 1) throw SerializationError(
"unsupported ObjectProperties version");
hp_max = readS16(is);
physical = readU8(is);
weight = readF1000(is);
collisionbox.MinEdge = readV3F1000(is);
collisionbox.MaxEdge = readV3F1000(is);
visual = deSerializeString(is);
mesh = deSerializeString(is);
visual_size = readV2F1000(is);
textures.clear();
u32 texture_count = readU16(is);
for(u32 i=0; i<texture_count; i++){
textures.push_back(deSerializeString(is));
}
u32 color_count = readU16(is);
for(u32 i=0; i<color_count; i++){
colors.push_back(readARGB8(is));
}
spritediv = readV2S16(is);
initial_sprite_basepos = readV2S16(is);
is_visible = readU8(is);
makes_footstep_sound = readU8(is);
try{
if(version == 2) // In PROTOCOL_VERSION 14
{
hp_max = readS16(is);
physical = readU8(is);
weight = readF1000(is);
collisionbox.MinEdge = readV3F1000(is);
collisionbox.MaxEdge = readV3F1000(is);
visual = deSerializeString(is);
mesh = deSerializeString(is);
visual_size = readV2F1000(is);
textures.clear();
u32 texture_count = readU16(is);
for(u32 i=0; i<texture_count; i++){
textures.push_back(deSerializeString(is));
}
u32 color_count = readU16(is);
for(u32 i=0; i<color_count; i++){
colors.push_back(readARGB8(is));
}
spritediv = readV2S16(is);
initial_sprite_basepos = readV2S16(is);
is_visible = readU8(is);
makes_footstep_sound = readU8(is);
automatic_rotate = readF1000(is);
}catch(SerializationError &e){}
// 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
}catch(SerializationError &e){}
}
else if(version == 1) // In PROTOCOL_VERSION 13
{
hp_max = readS16(is);
physical = readU8(is);
weight = readF1000(is);
collisionbox.MinEdge = readV3F1000(is);
collisionbox.MaxEdge = readV3F1000(is);
visual = deSerializeString(is);
visual_size = readV2F1000(is);
textures.clear();
u32 texture_count = readU16(is);
for(u32 i=0; i<texture_count; i++){
textures.push_back(deSerializeString(is));
}
spritediv = readV2S16(is);
initial_sprite_basepos = readV2S16(is);
is_visible = readU8(is);
makes_footstep_sound = readU8(is);
try{
automatic_rotate = readF1000(is);
}catch(SerializationError &e){}
}
else
{
throw SerializationError("unsupported ObjectProperties version");
}
}