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author | Mattes D <github@xoft.cz> | 2014-01-19 22:50:50 +0100 |
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committer | Mattes D <github@xoft.cz> | 2014-01-19 22:50:50 +0100 |
commit | 865016abe2d879a00b93945dc4984341191995db (patch) | |
tree | 1833001d20b08a20dde0e56d59e0515827ab296e /src/WorldStorage/EnchantmentSerializer.cpp | |
parent | Merge pull request #565 from mc-server/commandblockfixes (diff) | |
parent | Switched EnchantmentSerilizer to namespace (diff) | |
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Diffstat (limited to 'src/WorldStorage/EnchantmentSerializer.cpp')
-rw-r--r-- | src/WorldStorage/EnchantmentSerializer.cpp | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/WorldStorage/EnchantmentSerializer.cpp b/src/WorldStorage/EnchantmentSerializer.cpp new file mode 100644 index 000000000..56072207f --- /dev/null +++ b/src/WorldStorage/EnchantmentSerializer.cpp @@ -0,0 +1,88 @@ + +#include "Globals.h" + +#include "EnchantmentSerializer.h" +#include "Enchantments.h" +#include "FastNBT.h" + +void EnchantmentSerializer::WriteToNBTCompound(cEnchantments const& a_Enchantments, cFastNBTWriter & a_Writer, const AString & a_ListTagName) +{ + // Write the enchantments into the specified NBT writer + // begin with the LIST tag of the specified name ("ench" or "StoredEnchantments") + + a_Writer.BeginList(a_ListTagName, TAG_Compound); + for (cEnchantments::cMap::const_iterator itr = a_Enchantments.m_Enchantments.begin(), end = a_Enchantments.m_Enchantments.end(); itr != end; ++itr) + { + a_Writer.BeginCompound(""); + a_Writer.AddShort("id", itr->first); + a_Writer.AddShort("lvl", itr->second); + a_Writer.EndCompound(); + } // for itr - m_Enchantments[] + a_Writer.EndList(); +} + + + + + +void EnchantmentSerializer::ParseFromNBT(cEnchantments& a_Enchantments, const cParsedNBT & a_NBT, int a_EnchListTagIdx) +{ + // Read the enchantments from the specified NBT list tag (ench or StoredEnchantments) + + // Verify that the tag is a list: + if (a_NBT.GetType(a_EnchListTagIdx) != TAG_List) + { + LOGWARNING("%s: Invalid EnchListTag type: exp %d, got %d. Enchantments not parsed", + __FUNCTION__, TAG_List, a_NBT.GetType(a_EnchListTagIdx) + ); + ASSERT(!"Bad EnchListTag type"); + return; + } + + // Verify that the list is of Compounds: + if (a_NBT.GetChildrenType(a_EnchListTagIdx) != TAG_Compound) + { + LOGWARNING("%s: Invalid NBT list children type: exp %d, got %d. Enchantments not parsed", + __FUNCTION__, TAG_Compound, a_NBT.GetChildrenType(a_EnchListTagIdx) + ); + ASSERT(!"Bad EnchListTag children type"); + return; + } + + a_Enchantments.Clear(); + + // Iterate over all the compound children, parse an enchantment from each: + for (int tag = a_NBT.GetFirstChild(a_EnchListTagIdx); tag >= 0; tag = a_NBT.GetNextSibling(tag)) + { + // tag is the compound inside the "ench" list tag + ASSERT(a_NBT.GetType(tag) == TAG_Compound); + + // Search for the id and lvl tags' values: + int id = -1, lvl = -1; + for (int ch = a_NBT.GetFirstChild(tag); ch >= 0; ch = a_NBT.GetNextSibling(ch)) + { + if (a_NBT.GetType(ch) != TAG_Short) + { + continue; + } + if (a_NBT.GetName(ch) == "id") + { + id = a_NBT.GetShort(ch); + } + else if (a_NBT.GetName(ch) == "lvl") + { + lvl = a_NBT.GetShort(ch); + } + } // for ch - children of the compound tag + + if ((id == -1) || (lvl <= 0)) + { + // Failed to parse either the id or the lvl, skip this compound + continue; + } + + // Store the enchantment: + a_Enchantments.m_Enchantments[id] = lvl; + } // for tag - children of the ench list tag +} + |