diff options
Diffstat (limited to 'source/Enchantments.cpp')
| -rw-r--r-- | source/Enchantments.cpp | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/source/Enchantments.cpp b/source/Enchantments.cpp new file mode 100644 index 000000000..69bf8f7eb --- /dev/null +++ b/source/Enchantments.cpp @@ -0,0 +1,231 @@ +
+// Enchantments.cpp
+
+// Implements the cEnchantments class representing a storage for item enchantments and stored-enchantments
+
+#include "Globals.h"
+#include "Enchantments.h"
+#include "WorldStorage/FastNBT.h"
+
+
+
+
+
+cEnchantments::cEnchantments(void)
+{
+ // Nothing needed yet, but the constructor needs to be declared and impemented in order to be usable
+}
+
+
+
+
+
+cEnchantments::cEnchantments(const AString & a_StringSpec)
+{
+ AddFromString(a_StringSpec);
+}
+
+
+
+
+
+void cEnchantments::AddFromString(const AString & a_StringSpec)
+{
+ // Add enchantments in the stringspec; if a specified enchantment already exists, overwrites it
+
+ // Split the StringSpec into separate declarations, each in the form "id=lvl":
+ AStringVector Decls = StringSplit(a_StringSpec, ";");
+ for (AStringVector::const_iterator itr = Decls.begin(), end = Decls.end(); itr != end; ++itr)
+ {
+ // Split each declaration into the id and lvl part:
+ if (itr->empty())
+ {
+ // The decl is empty (may happen if there's an extra semicolon at the end), ignore silently
+ continue;
+ }
+ AStringVector Split = StringSplitAndTrim(*itr, "=");
+ if (Split.size() != 2)
+ {
+ // Malformed decl
+ LOG("%s: Malformed enchantment decl: \"%s\", skipping.", __FUNCTION__, itr->c_str());
+ continue;
+ }
+ int id = atoi(Split[0].c_str());
+ int lvl = atoi(Split[1].c_str());
+ if (
+ ((id == 0) && (Split[0] != "0")) ||
+ ((lvl == 0) && (Split[1] != "0"))
+ )
+ {
+ // Numbers failed to parse
+ LOG("%s: Failed to parse enchantment declaration for numbers: \"%s\" and \"%s\", skipping.",
+ __FUNCTION__, Split[0].c_str(), Split[1].c_str()
+ );
+ continue;
+ }
+ SetLevel(id, lvl);
+ } // for itr - Decls[]
+}
+
+
+
+
+
+AString cEnchantments::ToString(void) const
+{
+ // Serialize all the enchantments into a string
+ AString res;
+ for (cEnchantments::cMap::const_iterator itr = m_Enchantments.begin(), end = m_Enchantments.end(); itr != end; ++itr)
+ {
+ AppendPrintf(res, "%d=%d;", itr->first, itr->second);
+ } // for itr - m_Enchantments[]
+ return res;
+}
+
+
+
+
+
+int cEnchantments::GetLevel(int a_EnchantmentID) const
+{
+ // Return the level for the specified enchantment; 0 if not stored
+ cMap::const_iterator itr = m_Enchantments.find(a_EnchantmentID);
+ if (itr != m_Enchantments.end())
+ {
+ return itr->second;
+ }
+
+ // Not stored, return zero
+ return 0;
+}
+
+
+
+
+
+void cEnchantments::SetLevel(int a_EnchantmentID, int a_Level)
+{
+ // Sets the level for the specified enchantment, adding it if not stored before or removing it if level <= 0
+ if (a_Level == 0)
+ {
+ // Delete enchantment, if present:
+ cMap::iterator itr = m_Enchantments.find(a_EnchantmentID);
+ if (itr != m_Enchantments.end())
+ {
+ m_Enchantments.erase(itr);
+ }
+ }
+ else
+ {
+ // Add / overwrite enchantment
+ m_Enchantments[a_EnchantmentID] = a_Level;
+ }
+}
+
+
+
+
+
+
+void cEnchantments::Clear(void)
+{
+ m_Enchantments.clear();
+}
+
+
+
+
+
+bool cEnchantments::IsEmpty(void) const
+{
+ return m_Enchantments.empty();
+}
+
+
+
+
+
+void cEnchantments::WriteToNBTCompound(cFastNBTWriter & a_Writer, const AString & a_ListTagName) const
+{
+ // 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 (cMap::const_iterator itr = m_Enchantments.begin(), end = 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 cEnchantments::ParseFromNBT(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;
+ }
+
+ 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:
+ m_Enchantments[id] = lvl;
+ } // for tag - children of the ench list tag
+}
+
+
+
+
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