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cuberite-2a/src/Item.cpp

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#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "Item.h"
#include "json/json.h"
#include "Items/ItemHandler.h"
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#include "FastRandom.h"
cItem cItem::CopyOne(void) const
{
cItem res(*this);
res.m_ItemCount = 1;
return res;
}
cItem & cItem::AddCount(char a_AmountToAdd)
{
m_ItemCount += a_AmountToAdd;
if (m_ItemCount <= 0)
{
Empty();
}
return *this;
}
short cItem::GetMaxDamage(void) const
{
switch (m_ItemType)
{
case E_ITEM_BOW: return 384;
case E_ITEM_DIAMOND_AXE: return 1563;
case E_ITEM_DIAMOND_HOE: return 1563;
case E_ITEM_DIAMOND_PICKAXE: return 1563;
case E_ITEM_DIAMOND_SHOVEL: return 1563;
case E_ITEM_DIAMOND_SWORD: return 1563;
case E_ITEM_FLINT_AND_STEEL: return 65;
case E_ITEM_GOLD_AXE: return 32;
case E_ITEM_GOLD_HOE: return 32;
case E_ITEM_GOLD_PICKAXE: return 32;
case E_ITEM_GOLD_SHOVEL: return 32;
case E_ITEM_GOLD_SWORD: return 32;
case E_ITEM_IRON_AXE: return 251;
case E_ITEM_IRON_HOE: return 251;
case E_ITEM_IRON_PICKAXE: return 251;
case E_ITEM_IRON_SHOVEL: return 251;
case E_ITEM_IRON_SWORD: return 251;
case E_ITEM_SHEARS: return 251;
case E_ITEM_STONE_AXE: return 132;
case E_ITEM_STONE_HOE: return 132;
case E_ITEM_STONE_PICKAXE: return 132;
case E_ITEM_STONE_SHOVEL: return 132;
case E_ITEM_STONE_SWORD: return 132;
case E_ITEM_WOODEN_AXE: return 60;
case E_ITEM_WOODEN_HOE: return 60;
case E_ITEM_WOODEN_PICKAXE: return 60;
case E_ITEM_WOODEN_SHOVEL: return 60;
case E_ITEM_WOODEN_SWORD: return 60;
}
return 0;
}
bool cItem::DamageItem(short a_Amount)
{
short MaxDamage = GetMaxDamage();
if (MaxDamage == 0)
{
// Item doesn't have damage
return false;
}
m_ItemDamage += a_Amount;
return (m_ItemDamage >= MaxDamage);
}
bool cItem::IsFullStack(void) const
{
return (m_ItemCount >= ItemHandler(m_ItemType)->GetMaxStackSize());
}
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char cItem::GetMaxStackSize(void) const
{
return ItemHandler(m_ItemType)->GetMaxStackSize();
}
/// Returns the cItemHandler responsible for this item type
cItemHandler * cItem::GetHandler(void) const
{
return ItemHandler(m_ItemType);
}
void cItem::GetJson(Json::Value & a_OutValue) const
{
a_OutValue["ID"] = m_ItemType;
if (m_ItemType > 0)
{
a_OutValue["Count"] = m_ItemCount;
a_OutValue["Health"] = m_ItemDamage;
AString Enchantments(m_Enchantments.ToString());
if (!Enchantments.empty())
{
a_OutValue["ench"] = Enchantments;
}
if (!IsCustomNameEmpty())
{
a_OutValue["Name"] = m_CustomName;
}
if (!IsLoreEmpty())
{
a_OutValue["Lore"] = m_Lore;
}
if ((m_ItemType == E_ITEM_FIREWORK_ROCKET) || (m_ItemType == E_ITEM_FIREWORK_STAR))
{
a_OutValue["Flicker"] = m_FireworkItem.m_HasFlicker;
a_OutValue["Trail"] = m_FireworkItem.m_HasTrail;
a_OutValue["Type"] = m_FireworkItem.m_Type;
a_OutValue["FlightTimeInTicks"] = m_FireworkItem.m_FlightTimeInTicks;
a_OutValue["Colours"] = m_FireworkItem.ColoursToString(m_FireworkItem);
a_OutValue["FadeColours"] = m_FireworkItem.FadeColoursToString(m_FireworkItem);
}
}
}
void cItem::FromJson(const Json::Value & a_Value)
{
m_ItemType = (ENUM_ITEM_ID)a_Value.get("ID", -1 ).asInt();
if (m_ItemType > 0)
{
m_ItemCount = (char)a_Value.get("Count", -1 ).asInt();
m_ItemDamage = (short)a_Value.get("Health", -1 ).asInt();
m_Enchantments.Clear();
m_Enchantments.AddFromString(a_Value.get("ench", "").asString());
m_CustomName = a_Value.get("Name", "").asString();
m_Lore = a_Value.get("Lore", "").asString();
if ((m_ItemType == E_ITEM_FIREWORK_ROCKET) || (m_ItemType == E_ITEM_FIREWORK_STAR))
{
m_FireworkItem.m_HasFlicker = a_Value.get("Flicker", false).asBool();
m_FireworkItem.m_HasTrail = a_Value.get("Trail", false).asBool();
m_FireworkItem.m_Type = (NIBBLETYPE)a_Value.get("Type", 0).asInt();
m_FireworkItem.m_FlightTimeInTicks = (short)a_Value.get("FlightTimeInTicks", 0).asInt();
m_FireworkItem.ColoursFromString(a_Value.get("Colours", "").asString(), m_FireworkItem);
m_FireworkItem.FadeColoursFromString(a_Value.get("FadeColours", "").asString(), m_FireworkItem);
}
}
}
bool cItem::IsEnchantable(short item)
{
if ((item >= 256) && (item <= 259))
return true;
if ((item >= 267) && (item <= 279))
return true;
if ((item >= 283) && (item <= 286))
return true;
if ((item >= 290) && (item <= 294))
return true;
if ((item >= 298) && (item <= 317))
return true;
if ((item == 346) || (item == 359) || (item == 261))
return true;
return false;
}
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int cItem::GetEnchantability()
{
int Enchantability = 0;
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switch (m_ItemType)
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{
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case E_ITEM_WOODEN_SWORD: Enchantability = 15; break;
case E_ITEM_WOODEN_PICKAXE: Enchantability = 15; break;
case E_ITEM_WOODEN_SHOVEL: Enchantability = 15; break;
case E_ITEM_WOODEN_AXE: Enchantability = 15; break;
case E_ITEM_WOODEN_HOE: Enchantability = 15; break;
case E_ITEM_LEATHER_CAP: Enchantability = 15; break;
case E_ITEM_LEATHER_TUNIC: Enchantability = 15; break;
case E_ITEM_LEATHER_PANTS: Enchantability = 15; break;
case E_ITEM_LEATHER_BOOTS: Enchantability = 15; break;
case E_ITEM_STONE_SWORD: Enchantability = 5; break;
case E_ITEM_STONE_PICKAXE: Enchantability = 5; break;
case E_ITEM_STONE_SHOVEL: Enchantability = 5; break;
case E_ITEM_STONE_AXE: Enchantability = 5; break;
case E_ITEM_STONE_HOE: Enchantability = 5; break;
case E_ITEM_IRON_HELMET: Enchantability = 9; break;
case E_ITEM_IRON_CHESTPLATE: Enchantability = 9; break;
case E_ITEM_IRON_LEGGINGS: Enchantability = 9; break;
case E_ITEM_IRON_BOOTS: Enchantability = 9; break;
case E_ITEM_IRON_SWORD: Enchantability = 14; break;
case E_ITEM_IRON_PICKAXE: Enchantability = 14; break;
case E_ITEM_IRON_SHOVEL: Enchantability = 14; break;
case E_ITEM_IRON_AXE: Enchantability = 14; break;
case E_ITEM_IRON_HOE: Enchantability = 14; break;
case E_ITEM_CHAIN_HELMET: Enchantability = 12; break;
case E_ITEM_CHAIN_CHESTPLATE: Enchantability = 12; break;
case E_ITEM_CHAIN_LEGGINGS: Enchantability = 12; break;
case E_ITEM_CHAIN_BOOTS: Enchantability = 12; break;
case E_ITEM_DIAMOND_HELMET: Enchantability = 10; break;
case E_ITEM_DIAMOND_CHESTPLATE: Enchantability = 10; break;
case E_ITEM_DIAMOND_LEGGINGS: Enchantability = 10; break;
case E_ITEM_DIAMOND_BOOTS: Enchantability = 10; break;
case E_ITEM_DIAMOND_SWORD: Enchantability = 10; break;
case E_ITEM_DIAMOND_PICKAXE: Enchantability = 10; break;
case E_ITEM_DIAMOND_SHOVEL: Enchantability = 10; break;
case E_ITEM_DIAMOND_AXE: Enchantability = 10; break;
case E_ITEM_DIAMOND_HOE: Enchantability = 10; break;
case E_ITEM_GOLD_HELMET: Enchantability = 25; break;
case E_ITEM_GOLD_CHESTPLATE: Enchantability = 25; break;
case E_ITEM_GOLD_LEGGINGS: Enchantability = 25; break;
case E_ITEM_GOLD_BOOTS: Enchantability = 25; break;
case E_ITEM_GOLD_SWORD: Enchantability = 22; break;
case E_ITEM_GOLD_PICKAXE: Enchantability = 22; break;
case E_ITEM_GOLD_SHOVEL: Enchantability = 22; break;
case E_ITEM_GOLD_AXE: Enchantability = 22; break;
case E_ITEM_GOLD_HOE: Enchantability = 22; break;
case E_ITEM_FISHING_ROD: Enchantability = 1; break;
case E_ITEM_BOW: Enchantability = 1; break;
case E_ITEM_BOOK: Enchantability = 1; break;
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}
return Enchantability;
}
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bool cItem::EnchantByXPLevels(int a_NumXPLevels)
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{
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if (!cItem::IsEnchantable(m_ItemType) && (m_ItemType != E_ITEM_BOOK))
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{
return false;
}
int Enchantability = GetEnchantability();
cFastRandom Random;
int ModifiedEnchantmentLevel = a_NumXPLevels + (int)Random.NextFloat((float)Enchantability / 4) + (int)Random.NextFloat((float)Enchantability / 4) + 1;
float RandomBonus = 1.0F + (Random.NextFloat(1) + Random.NextFloat(1) - 1.0F) * 0.15F;
int FinalEnchantmentLevel = (int)(ModifiedEnchantmentLevel * RandomBonus + 0.5F);
cWeightedEnchantments enchantments;
cEnchantments::AddItemEnchantmentWeights(enchantments, m_ItemType, FinalEnchantmentLevel);
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if (m_ItemType == E_ITEM_BOOK)
{
m_ItemType = E_ITEM_ENCHANTED_BOOK;
}
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cEnchantments Enchantment1 = cEnchantments::GetRandomEnchantmentFromVector(enchantments);
m_Enchantments.AddFromString(Enchantment1.ToString());
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cEnchantments::RemoveEnchantmentWeightFromVector(enchantments, Enchantment1);
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// Checking for conflicting enchantments
cEnchantments::CheckEnchantmentConflictsFromVector(enchantments, Enchantment1);
float NewEnchantmentLevel = (float)a_NumXPLevels;
// Next Enchantment (Second)
NewEnchantmentLevel = NewEnchantmentLevel / 2;
float SecondEnchantmentChance = (NewEnchantmentLevel + 1) / 50 * 100;
if (enchantments.empty() || (Random.NextFloat(100) > SecondEnchantmentChance))
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{
return true;
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}
cEnchantments Enchantment2 = cEnchantments::GetRandomEnchantmentFromVector(enchantments);
m_Enchantments.AddFromString(Enchantment2.ToString());
cEnchantments::RemoveEnchantmentWeightFromVector(enchantments, Enchantment2);
// Checking for conflicting enchantments
cEnchantments::CheckEnchantmentConflictsFromVector(enchantments, Enchantment2);
// Next Enchantment (Third)
NewEnchantmentLevel = NewEnchantmentLevel / 2;
float ThirdEnchantmentChance = (NewEnchantmentLevel + 1) / 50 * 100;
if (enchantments.empty() || (Random.NextFloat(100) > ThirdEnchantmentChance))
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{
return true;
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}
cEnchantments Enchantment3 = cEnchantments::GetRandomEnchantmentFromVector(enchantments);
m_Enchantments.AddFromString(Enchantment3.ToString());
cEnchantments::RemoveEnchantmentWeightFromVector(enchantments, Enchantment3);
// Checking for conflicting enchantments
cEnchantments::CheckEnchantmentConflictsFromVector(enchantments, Enchantment3);
// Next Enchantment (Fourth)
NewEnchantmentLevel = NewEnchantmentLevel / 2;
float FourthEnchantmentChance = (NewEnchantmentLevel + 1) / 50 * 100;
if (enchantments.empty() || (Random.NextFloat(100) > FourthEnchantmentChance))
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{
return true;
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}
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cEnchantments Enchantment4 = cEnchantments::GetRandomEnchantmentFromVector(enchantments);
m_Enchantments.AddFromString(Enchantment4.ToString());
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return true;
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}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cItems:
cItem * cItems::Get(int a_Idx)
{
if ((a_Idx < 0) || (a_Idx >= (int)size()))
{
LOGWARNING("cItems: Attempt to get an out-of-bounds item at index %d; there are currently " SIZE_T_FMT " items. Returning a nil.", a_Idx, size());
return NULL;
}
return &at(a_Idx);
}
void cItems::Set(int a_Idx, const cItem & a_Item)
{
if ((a_Idx < 0) || (a_Idx >= (int)size()))
{
LOGWARNING("cItems: Attempt to set an item at an out-of-bounds index %d; there are currently " SIZE_T_FMT " items. Not setting.", a_Idx, size());
return;
}
at(a_Idx) = a_Item;
}
void cItems::Delete(int a_Idx)
{
if ((a_Idx < 0) || (a_Idx >= (int)size()))
{
LOGWARNING("cItems: Attempt to delete an item at an out-of-bounds index %d; there are currently " SIZE_T_FMT " items. Ignoring.", a_Idx, size());
return;
}
erase(begin() + a_Idx);
}
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void cItems::Set(int a_Idx, short a_ItemType, char a_ItemCount, short a_ItemDamage)
{
if ((a_Idx < 0) || (a_Idx >= (int)size()))
{
LOGWARNING("cItems: Attempt to set an item at an out-of-bounds index %d; there are currently " SIZE_T_FMT " items. Not setting.", a_Idx, size());
return;
}
at(a_Idx) = cItem(a_ItemType, a_ItemCount, a_ItemDamage);
}