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// BlockType.cpp
// Implements the helper functions for converting Block Type string to int etc.
#include "Globals.h"
#include "IniFile.h"
#include "Item.h"
#include "Mobs/Monster.h"
class cBlockIDMap
{
// Making the map case-insensitive:
struct Comparator
{
bool operator ()(const AString & a_Item1, const AString & a_Item2) const
{
return (NoCaseCompare(a_Item1, a_Item2) > 0);
}
} ;
typedef std::map<AString, std::pair<short, short>, Comparator> ItemMap;
public:
cBlockIDMap(void)
{
cIniFile Ini;
if (!Ini.ReadFile("items.ini"))
{
return;
}
int KeyID = Ini.FindKey("Items");
if (KeyID == cIniFile::noID)
{
return;
}
int NumValues = Ini.GetNumValues(KeyID);
for (int i = 0; i < NumValues; i++)
{
AString Name = Ini.GetValueName(KeyID, i);
if (Name.empty())
{
continue;
}
AString Value = Ini.GetValue(KeyID, i);
AddToMap(Name, Value);
} // for i - Ini.Values[]
}
int Resolve(const AString & a_ItemName)
{
ItemMap::iterator itr = m_Map.find(a_ItemName);
if (itr == m_Map.end())
{
return -1;
}
return itr->second.first;
}
bool ResolveItem(const AString & a_ItemName, cItem & a_Item)
{
// Split into parts divided by either ':' or '^'
AStringVector Split = StringSplitAndTrim(a_ItemName, ":^");
if (Split.empty())
{
return false;
}
ItemMap::iterator itr = m_Map.find(Split[0]);
if (itr != m_Map.end())
{
// Resolved as a string, assign the type and the default damage / count
a_Item.m_ItemType = itr->second.first;
a_Item.m_ItemDamage = itr->second.second;
if (a_Item.m_ItemDamage == -1)
{
a_Item.m_ItemDamage = 0;
}
}
else
{
// Not a resolvable string, try pure numbers: "45:6", "45^6" etc.
if (!StringToInteger(Split[0], a_Item.m_ItemType))
{
// Parsing the number failed
return false;
}
}
// Parse the damage, if present:
if (Split.size() < 2)
{
// Not present, set the item as valid and return success:
a_Item.m_ItemCount = 1;
return true;
}
if (!StringToInteger(Split[1], a_Item.m_ItemDamage))
{
// Parsing the number failed
return false;
}
a_Item.m_ItemCount = 1;
return true;
}
AString Desolve(short a_ItemType, short a_ItemDamage)
{
// First try an exact match, both ItemType and ItemDamage ("birchplanks=5:2"):
for (ItemMap::iterator itr = m_Map.begin(), end = m_Map.end(); itr != end; ++itr)
{
if ((itr->second.first == a_ItemType) && (itr->second.second == a_ItemDamage))
{
return itr->first;
}
} // for itr - m_Map[]
// There is no exact match, try matching ItemType only ("planks=5"):
if (a_ItemDamage == 0)
{
for (ItemMap::iterator itr = m_Map.begin(), end = m_Map.end(); itr != end; ++itr)
{
if ((itr->second.first == a_ItemType) && (itr->second.second == -1))
{
return itr->first;
}
} // for itr - m_Map[]
}
// No match at all, synthesize a string ("5:1"):
AString res;
if (a_ItemDamage == -1)
{
res = fmt::format(FMT_STRING("{}"), a_ItemType);
}
else
{
res = fmt::format(FMT_STRING("{}:{}"), a_ItemType, a_ItemDamage);
}
return res;
}
protected:
ItemMap m_Map;
void AddToMap(const AString & a_Name, const AString & a_Value)
{
AStringVector Split = StringSplit(a_Value, ":");
if (Split.size() == 1)
{
Split = StringSplit(a_Value, "^");
}
if (Split.empty())
{
return;
}
short ItemType;
if (!StringToInteger(Split[0], ItemType))
{
ASSERT(!"Invalid item type");
}
short ItemDamage = -1;
if (Split.size() > 1 && !StringToInteger(Split[1], ItemDamage))
{
ASSERT(!"Invalid item damage");
}
m_Map[a_Name] = std::make_pair(ItemType, ItemDamage);
}
} ;
static cBlockIDMap & GetBlockIDMap()
{
static cBlockIDMap IDMap;
return IDMap;
}
/*
// Quick self-test:
class Tester
{
public:
Tester(void)
{
cItem Item;
gsBlockIDMap.ResolveItem("charcoal", Item);
AString Charcoal = gsBlockIDMap.Desolve(Item.m_ItemType, Item.m_ItemDamage);
ASSERT(Charcoal == "charcoal");
}
} test;
//*/
int BlockStringToType(const AString & a_BlockTypeString)
{
int res = atoi(a_BlockTypeString.c_str());
if ((res != 0) || (a_BlockTypeString.compare("0") == 0))
{
// It was a valid number, return that
return res;
}
return GetBlockIDMap().Resolve(TrimString(a_BlockTypeString));
}
bool StringToItem(const AString & a_ItemTypeString, cItem & a_Item)
{
AString ItemName = TrimString(a_ItemTypeString);
if (ItemName.substr(0, 10) == "minecraft:")
{
ItemName = ItemName.substr(10);
}
return GetBlockIDMap().ResolveItem(ItemName, a_Item);
}
AString ItemToString(const cItem & a_Item)
{
return GetBlockIDMap().Desolve(a_Item.m_ItemType, a_Item.m_ItemDamage);
}
AString ItemTypeToString(short a_ItemType)
{
return GetBlockIDMap().Desolve(a_ItemType, -1);
}
AString ItemToFullString(const cItem & a_Item)
{
return fmt::format(FMT_STRING("{}:{} * {}"), ItemToString(a_Item), a_Item.m_ItemDamage, a_Item.m_ItemCount);
}
cItem GetIniItemSet(cIniFile & a_IniFile, const char * a_Section, const char * a_Key, const char * a_Default)
{
AString ItemStr = a_IniFile.GetValueSet(a_Section, a_Key, a_Default);
cItem res;
if (!StringToItem(ItemStr, res))
{
res.Empty();
}
return res;
}
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