flewkey
/
cuberite-2a
1
0
Fork 0
Code Releases Activity
cuberite-2a/src/Item.cpp

814 lines
19 KiB
C++
Raw Blame History

#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "Item.h"
#include "BlockType.h"
#include "ItemGrid.h"
#include "json/json.h"
#include "Items/ItemHandler.h"
#include "FastRandom.h"
cItem::cItem():
m_ItemType(E_ITEM_EMPTY),
m_ItemCount(0),
m_ItemDamage(0),
m_CustomName(),
m_RepairCost(0),
m_FireworkItem(),
m_ItemColor()
{
}
cItem::cItem(
short a_ItemType,
char a_ItemCount,
short a_ItemDamage,
const AString & a_Enchantments,
const AString & a_CustomName,
const AStringVector & a_LoreTable
):
m_ItemType (a_ItemType),
m_ItemCount (a_ItemCount),
m_ItemDamage (a_ItemDamage),
m_Enchantments(a_Enchantments),
m_CustomName (a_CustomName),
m_LoreTable (a_LoreTable),
m_RepairCost (0),
m_FireworkItem(),
m_ItemColor()
{
if (!IsValidItem(m_ItemType))
{
if ((m_ItemType != E_BLOCK_AIR) && (m_ItemType != E_ITEM_EMPTY))
{
LOGWARNING("%s: creating an invalid item type (%d), resetting to empty.", __FUNCTION__, a_ItemType);
}
Empty();
}
}
void cItem::Empty()
{
m_ItemType = E_ITEM_EMPTY;
m_ItemCount = 0;
m_ItemDamage = 0;
m_Enchantments.Clear();
m_CustomName = "";
m_LoreTable.clear();
m_RepairCost = 0;
m_FireworkItem.EmptyData();
m_ItemColor.Clear();
}
void cItem::Clear()
{
m_ItemType = E_ITEM_EMPTY;
m_ItemCount = 0;
m_ItemDamage = 0;
m_RepairCost = 0;
m_ItemColor.Clear();
}
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_CHAIN_BOOTS: return 196;
case E_ITEM_CHAIN_CHESTPLATE:return 241;
case E_ITEM_CHAIN_HELMET: return 166;
case E_ITEM_CHAIN_LEGGINGS: return 226;
case E_ITEM_DIAMOND_AXE: return 1561;
case E_ITEM_DIAMOND_BOOTS: return 430;
case E_ITEM_DIAMOND_CHESTPLATE: return 529;
case E_ITEM_DIAMOND_HELMET: return 364;
case E_ITEM_DIAMOND_HOE: return 1561;
case E_ITEM_DIAMOND_LEGGINGS:return 496;
case E_ITEM_DIAMOND_PICKAXE: return 1561;
case E_ITEM_DIAMOND_SHOVEL: return 1561;
case E_ITEM_DIAMOND_SWORD: return 1561;
case E_ITEM_ELYTRA: return 432;
case E_ITEM_FLINT_AND_STEEL: return 64;
case E_ITEM_FISHING_ROD: return 65;
case E_ITEM_GOLD_AXE: return 32;
case E_ITEM_GOLD_BOOTS: return 92;
case E_ITEM_GOLD_CHESTPLATE: return 113;
case E_ITEM_GOLD_HELMET: return 78;
case E_ITEM_GOLD_HOE: return 32;
case E_ITEM_GOLD_LEGGINGS: return 106;
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 250;
case E_ITEM_IRON_BOOTS: return 196;
case E_ITEM_IRON_CHESTPLATE: return 241;
case E_ITEM_IRON_HELMET: return 166;
case E_ITEM_IRON_HOE: return 250;
case E_ITEM_IRON_LEGGINGS: return 226;
case E_ITEM_IRON_PICKAXE: return 250;
case E_ITEM_IRON_SHOVEL: return 250;
case E_ITEM_IRON_SWORD: return 250;
case E_ITEM_LEATHER_BOOTS: return 66;
case E_ITEM_LEATHER_CAP: return 55;
case E_ITEM_LEATHER_PANTS: return 76;
case E_ITEM_LEATHER_TUNIC: return 81;
case E_ITEM_SHEARS: return 250;
case E_ITEM_STONE_AXE: return 131;
case E_ITEM_STONE_HOE: return 131;
case E_ITEM_STONE_PICKAXE: return 131;
case E_ITEM_STONE_SHOVEL: return 131;
case E_ITEM_STONE_SWORD: return 131;
case E_ITEM_WOODEN_AXE: return 59;
case E_ITEM_WOODEN_HOE: return 59;
case E_ITEM_WOODEN_PICKAXE: return 59;
case E_ITEM_WOODEN_SHOVEL: return 59;
case E_ITEM_WOODEN_SWORD: return 59;
default: 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());
}
char cItem::GetMaxStackSize(void) const
{
return ItemHandler(m_ItemType)->GetMaxStackSize();
}
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())
{
auto & LoreArray = (a_OutValue["Lore"] = Json::Value(Json::arrayValue));
for (const auto & Line : m_LoreTable)
{
LoreArray.append(Line);
}
}
if (m_ItemColor.IsValid())
{
a_OutValue["Color_Red"] = m_ItemColor.GetRed();
a_OutValue["Color_Green"] = m_ItemColor.GetGreen();
a_OutValue["Color_Blue"] = m_ItemColor.GetBlue();
}
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);
}
a_OutValue["RepairCost"] = m_RepairCost;
}
}
void cItem::FromJson(const Json::Value & a_Value)
{
m_ItemType = static_cast<ENUM_ITEM_TYPE>(a_Value.get("ID", -1).asInt());
if (m_ItemType > 0)
{
m_ItemCount = static_cast<char>(a_Value.get("Count", -1).asInt());
m_ItemDamage = static_cast<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();
auto Lore = a_Value.get("Lore", Json::arrayValue);
for (auto & Line : Lore)
{
m_LoreTable.push_back(Line.asString());
}
int red = a_Value.get("Color_Red", -1).asInt();
int green = a_Value.get("Color_Green", -1).asInt();
int blue = a_Value.get("Color_Blue", -1).asInt();
if ((red > -1) && (red < static_cast<int>(cColor::COLOR_LIMIT)) && (green > -1) && (green < static_cast<int>(cColor::COLOR_LIMIT)) && (blue > -1) && (blue < static_cast<int>(cColor::COLOR_LIMIT)))
{
m_ItemColor.SetColor(static_cast<unsigned char>(red), static_cast<unsigned char>(green), static_cast<unsigned char>(blue));
}
else if ((red != -1) || (blue != -1) || (green != -1))
{
LOGWARNING("Item with invalid red, green, and blue values read in from json file.");
}
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 = static_cast<NIBBLETYPE>(a_Value.get("Type", 0).asInt());
m_FireworkItem.m_FlightTimeInTicks = static_cast<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);
}
m_RepairCost = a_Value.get("RepairCost", 0).asInt();
}
}
bool cItem::IsEnchantable(short a_ItemType, bool a_FromBook)
{
if (
ItemCategory::IsAxe(a_ItemType) ||
ItemCategory::IsSword(a_ItemType) ||
ItemCategory::IsShovel(a_ItemType) ||
ItemCategory::IsPickaxe(a_ItemType) ||
(a_FromBook && ItemCategory::IsHoe(a_ItemType)) ||
ItemCategory::IsArmor(a_ItemType)
)
{
return true;
}
switch (a_ItemType)
{
case E_ITEM_BOOK:
case E_ITEM_BOW:
case E_ITEM_FISHING_ROD:
{
return true;
}
case E_ITEM_CARROT_ON_STICK:
case E_ITEM_SHEARS:
case E_ITEM_FLINT_AND_STEEL:
{
return a_FromBook;
}
}
return false;
}
unsigned cItem::GetEnchantability()
{
switch (m_ItemType)
{
case E_ITEM_WOODEN_SWORD:
case E_ITEM_WOODEN_PICKAXE:
case E_ITEM_WOODEN_SHOVEL:
case E_ITEM_WOODEN_AXE:
case E_ITEM_WOODEN_HOE: return 15;
case E_ITEM_LEATHER_CAP:
case E_ITEM_LEATHER_TUNIC:
case E_ITEM_LEATHER_PANTS:
case E_ITEM_LEATHER_BOOTS: return 15;
case E_ITEM_STONE_SWORD:
case E_ITEM_STONE_PICKAXE:
case E_ITEM_STONE_SHOVEL:
case E_ITEM_STONE_AXE:
case E_ITEM_STONE_HOE: return 5;
case E_ITEM_IRON_HELMET:
case E_ITEM_IRON_CHESTPLATE:
case E_ITEM_IRON_LEGGINGS:
case E_ITEM_IRON_BOOTS: return 9;
case E_ITEM_IRON_SWORD:
case E_ITEM_IRON_PICKAXE:
case E_ITEM_IRON_SHOVEL:
case E_ITEM_IRON_AXE:
case E_ITEM_IRON_HOE: return 14;
case E_ITEM_CHAIN_HELMET:
case E_ITEM_CHAIN_CHESTPLATE:
case E_ITEM_CHAIN_LEGGINGS:
case E_ITEM_CHAIN_BOOTS: return 12;
case E_ITEM_DIAMOND_HELMET:
case E_ITEM_DIAMOND_CHESTPLATE:
case E_ITEM_DIAMOND_LEGGINGS:
case E_ITEM_DIAMOND_BOOTS: return 10;
case E_ITEM_DIAMOND_SWORD:
case E_ITEM_DIAMOND_PICKAXE:
case E_ITEM_DIAMOND_SHOVEL:
case E_ITEM_DIAMOND_AXE:
case E_ITEM_DIAMOND_HOE: return 10;
case E_ITEM_GOLD_HELMET:
case E_ITEM_GOLD_CHESTPLATE:
case E_ITEM_GOLD_LEGGINGS:
case E_ITEM_GOLD_BOOTS: return 25;
case E_ITEM_GOLD_SWORD:
case E_ITEM_GOLD_PICKAXE:
case E_ITEM_GOLD_SHOVEL:
case E_ITEM_GOLD_AXE:
case E_ITEM_GOLD_HOE: return 22;
case E_ITEM_FISHING_ROD:
case E_ITEM_BOW:
case E_ITEM_BOOK: return 1;
}
return 0;
}
bool cItem::EnchantByXPLevels(unsigned a_NumXPLevels, MTRand & a_Random)
{
if (!cItem::IsEnchantable(m_ItemType))
{
return false;
}
const auto Enchantability = GetEnchantability();
if (Enchantability == 0)
{
return false;
}
const auto ModifiedEnchantmentLevel = a_NumXPLevels + a_Random.RandInt(Enchantability / 4) + a_Random.RandInt(Enchantability / 4) + 1;
const auto RandomBonus = 1.0F + (a_Random.RandReal() + a_Random.RandReal() - 1.0F) * 0.15F;
const auto FinalEnchantmentLevel = static_cast<unsigned>(ModifiedEnchantmentLevel * RandomBonus + 0.5F);
cWeightedEnchantments Enchantments;
cEnchantments::AddItemEnchantmentWeights(Enchantments, m_ItemType, FinalEnchantmentLevel);
if (m_ItemType == E_ITEM_BOOK)
{
m_ItemType = E_ITEM_ENCHANTED_BOOK;
}
cEnchantments Enchantment1 = cEnchantments::GetRandomEnchantmentFromVector(Enchantments, a_Random);
m_Enchantments.AddFromString(Enchantment1.ToString());
cEnchantments::RemoveEnchantmentWeightFromVector(Enchantments, Enchantment1);
// Checking for conflicting enchantments
cEnchantments::CheckEnchantmentConflictsFromVector(Enchantments, Enchantment1);
// Next Enchantment (Second)
float NewEnchantmentLevel = a_NumXPLevels / 2.0f;
float SecondEnchantmentChance = (NewEnchantmentLevel + 1) / 50.0f;
if (Enchantments.empty() || !a_Random.RandBool(SecondEnchantmentChance))
{
return true;
}
cEnchantments Enchantment2 = cEnchantments::GetRandomEnchantmentFromVector(Enchantments, a_Random);
m_Enchantments.AddFromString(Enchantment2.ToString());
cEnchantments::RemoveEnchantmentWeightFromVector(Enchantments, Enchantment2);
// Checking for conflicting enchantments
cEnchantments::CheckEnchantmentConflictsFromVector(Enchantments, Enchantment2);
// Next Enchantment (Third)
NewEnchantmentLevel = NewEnchantmentLevel / 2.0f;
float ThirdEnchantmentChance = (NewEnchantmentLevel + 1) / 50.0f;
if (Enchantments.empty() || !a_Random.RandBool(ThirdEnchantmentChance))
{
return true;
}
cEnchantments Enchantment3 = cEnchantments::GetRandomEnchantmentFromVector(Enchantments, a_Random);
m_Enchantments.AddFromString(Enchantment3.ToString());
cEnchantments::RemoveEnchantmentWeightFromVector(Enchantments, Enchantment3);
// Checking for conflicting enchantments
cEnchantments::CheckEnchantmentConflictsFromVector(Enchantments, Enchantment3);
// Next Enchantment (Fourth)
NewEnchantmentLevel = NewEnchantmentLevel / 2.0f;
float FourthEnchantmentChance = (NewEnchantmentLevel + 1) / 50.0f;
if (Enchantments.empty() || !a_Random.RandBool(FourthEnchantmentChance))
{
return true;
}
cEnchantments Enchantment4 = cEnchantments::GetRandomEnchantmentFromVector(Enchantments, a_Random);
m_Enchantments.AddFromString(Enchantment4.ToString());
return true;
}
int cItem::AddEnchantment(int a_EnchantmentID, unsigned int a_Level, bool a_FromBook)
{
unsigned int OurLevel = m_Enchantments.GetLevel(a_EnchantmentID);
int Multiplier = cEnchantments::GetXPCostMultiplier(a_EnchantmentID, a_FromBook);
unsigned int NewLevel = 0;
if (OurLevel > a_Level)
{
// They don't add anything to us
NewLevel = OurLevel;
}
else if (OurLevel == a_Level)
{
// Bump it by 1
NewLevel = OurLevel + 1;
}
else
{
// Take the sacrifice's level
NewLevel = a_Level;
}
unsigned int LevelCap = cEnchantments::GetLevelCap(a_EnchantmentID);
if (NewLevel > LevelCap)
{
NewLevel = LevelCap;
}
m_Enchantments.SetLevel(a_EnchantmentID, NewLevel);
return static_cast<int>(NewLevel) * Multiplier;
}
bool cItem::CanHaveEnchantment(int a_EnchantmentID)
{
if (m_ItemType == E_ITEM_ENCHANTED_BOOK)
{
// Enchanted books can take anything
return true;
}
// The organization here is based on the summary at:
// https://minecraft.gamepedia.com/Enchanting
// as of July 2017 (Minecraft 1.12).
// Hand tool enchantments
static const std::set<int> SwordEnchantments =
{
cEnchantments::enchBaneOfArthropods,
cEnchantments::enchFireAspect,
cEnchantments::enchKnockback,
cEnchantments::enchLooting,
cEnchantments::enchSharpness,
cEnchantments::enchSmite,
cEnchantments::enchUnbreaking
};
static const std::set<int> AxeEnchantments =
{
cEnchantments::enchBaneOfArthropods,
cEnchantments::enchEfficiency,
cEnchantments::enchFortune,
cEnchantments::enchSharpness,
cEnchantments::enchSilkTouch,
cEnchantments::enchSmite,
cEnchantments::enchUnbreaking
};
static const std::set<int> ToolEnchantments =
{
cEnchantments::enchEfficiency,
cEnchantments::enchFortune,
cEnchantments::enchSilkTouch,
cEnchantments::enchUnbreaking
};
static const std::set<int> ShearEnchantments =
{
cEnchantments::enchEfficiency,
cEnchantments::enchUnbreaking
};
static const std::set<int> BowEnchantments =
{
cEnchantments::enchFlame,
cEnchantments::enchInfinity,
cEnchantments::enchPower,
cEnchantments::enchPunch
};
static const std::set<int> FishingEnchantments =
{
cEnchantments::enchLuckOfTheSea,
cEnchantments::enchLure
};
static const std::set<int> MiscEnchantments =
{
cEnchantments::enchUnbreaking
};
if (ItemCategory::IsSword(m_ItemType))
{
return SwordEnchantments.count(a_EnchantmentID) > 0;
}
if (ItemCategory::IsAxe(m_ItemType))
{
return AxeEnchantments.count(a_EnchantmentID) > 0;
}
if (ItemCategory::IsPickaxe(m_ItemType) || ItemCategory::IsShovel(m_ItemType))
{
return ToolEnchantments.count(a_EnchantmentID) > 0;
}
if (m_ItemType == E_ITEM_SHEARS)
{
return ShearEnchantments.count(a_EnchantmentID) > 0;
}
if (m_ItemType == E_ITEM_BOW)
{
return BowEnchantments.count(a_EnchantmentID) > 0;
}
if (m_ItemType == E_ITEM_FISHING_ROD)
{
return FishingEnchantments.count(a_EnchantmentID) > 0;
}
if (ItemCategory::IsHoe(m_ItemType) || (m_ItemType == E_ITEM_FLINT_AND_STEEL) || (m_ItemType == E_ITEM_CARROT_ON_STICK) || (m_ItemType == E_ITEM_SHIELD))
{
return MiscEnchantments.count(a_EnchantmentID) > 0;
}
// Armor enchantments
static const std::set<int> ArmorEnchantments =
{
cEnchantments::enchBlastProtection,
cEnchantments::enchFireProtection,
cEnchantments::enchProjectileProtection,
cEnchantments::enchProtection,
cEnchantments::enchThorns,
cEnchantments::enchUnbreaking
};
static const std::set<int> HatOnlyEnchantments =
{
cEnchantments::enchAquaAffinity,
cEnchantments::enchRespiration
};
static const std::set<int> BootOnlyEnchantments =
{
cEnchantments::enchDepthStrider,
cEnchantments::enchFeatherFalling
};
if (ItemCategory::IsBoots(m_ItemType))
{
return (BootOnlyEnchantments.count(a_EnchantmentID) > 0) || (ArmorEnchantments.count(a_EnchantmentID) > 0);
}
if (ItemCategory::IsHelmet(m_ItemType))
{
return (HatOnlyEnchantments.count(a_EnchantmentID) > 0) || (ArmorEnchantments.count(a_EnchantmentID) > 0);
}
if (ItemCategory::IsArmor(m_ItemType))
{
return ArmorEnchantments.count(a_EnchantmentID) > 0;
}
return false;
}
int cItem::AddEnchantmentsFromItem(const cItem & a_Other)
{
bool FromBook = (a_Other.m_ItemType == E_ITEM_ENCHANTED_BOOK);
// Consider each enchantment seperately
int EnchantingCost = 0;
for (auto & Enchantment : a_Other.m_Enchantments)
{
if (CanHaveEnchantment(Enchantment.first))
{
if (!m_Enchantments.CanAddEnchantment(Enchantment.first))
{
// Cost of incompatible enchantments
EnchantingCost += 1;
}
else
{
EnchantingCost += AddEnchantment(Enchantment.first, Enchantment.second, FromBook);
}
}
}
return EnchantingCost;
}
////////////////////////////////////////////////////////////////////////////////
// cItems:
cItems::cItems(cItem && a_InitialItem)
{
push_back(std::move(a_InitialItem));
}
cItem * cItems::Get(int a_Idx)
{
if ((a_Idx < 0) || (a_Idx >= static_cast<int>(size())))
{
LOGWARNING("cItems: Attempt to get an out-of-bounds item at index %d; there are currently %zu items. Returning a nil.", a_Idx, size());
return nullptr;
}
return &at(static_cast<size_t>(a_Idx));
}
void cItems::Set(int a_Idx, const cItem & a_Item)
{
if ((a_Idx < 0) || (a_Idx >= static_cast<int>(size())))
{
LOGWARNING("cItems: Attempt to set an item at an out-of-bounds index %d; there are currently %zu items. Not setting.", a_Idx, size());
return;
}
at(static_cast<size_t>(a_Idx)) = a_Item;
}
void cItems::Delete(int a_Idx)
{
if ((a_Idx < 0) || (a_Idx >= static_cast<int>(size())))
{
LOGWARNING("cItems: Attempt to delete an item at an out-of-bounds index %d; there are currently %zu items. Ignoring.", a_Idx, size());
return;
}
erase(begin() + a_Idx);
}
void cItems::Set(int a_Idx, short a_ItemType, char a_ItemCount, short a_ItemDamage)
{
if ((a_Idx < 0) || (a_Idx >= static_cast<int>(size())))
{
LOGWARNING("cItems: Attempt to set an item at an out-of-bounds index %d; there are currently %zu items. Not setting.", a_Idx, size());
return;
}
at(static_cast<size_t>(a_Idx)) = cItem(a_ItemType, a_ItemCount, a_ItemDamage);
}
bool cItems::Contains(const cItem & a_Item)
{
for (const auto & itr : *this)
{
if (a_Item.IsEqual(itr))
{
return true;
}
}
return false;
}
bool cItems::ContainsType(const cItem & a_Item)
{
for (const auto & itr : *this)
{
if (a_Item.IsSameType(itr))
{
return true;
}
}
return false;
}
void cItems::AddItemGrid(const cItemGrid & a_ItemGrid)
{
for (int i = 0; i < a_ItemGrid.GetNumSlots(); ++i)
{
const auto & Slot = a_ItemGrid.GetSlot(i);
if (!Slot.IsEmpty())
{
Add(Slot);
}
}
}
View Git Blame Copy Permalink